Ejemplo n.º 1
0
def world(pupil_queue, timebase, lauchner_pipe, eye_pipes, eyes_are_alive, user_dir, version, cap_src):
    """world
    Creates a window, gl context.
    Grabs images from a capture.
    Receives Pupil coordinates from eye process[es]
    Can run various plug-ins.
    """

    import logging

    # Set up root logger for this process before doing imports of logged modules.
    logger = logging.getLogger()
    logger.setLevel(logging.INFO)
    # create file handler which logs even debug messages
    fh = logging.FileHandler(os.path.join(user_dir, "world.log"), mode="w")
    fh.setLevel(logger.level)
    # create console handler with a higher log level
    ch = logging.StreamHandler()
    ch.setLevel(logger.level + 10)
    # create formatter and add it to the handlers
    formatter = logging.Formatter("World Process: %(asctime)s - %(name)s - %(levelname)s - %(message)s")
    fh.setFormatter(formatter)
    formatter = logging.Formatter("WORLD Process [%(levelname)s] %(name)s : %(message)s")
    ch.setFormatter(formatter)
    # add the handlers to the logger
    logger.addHandler(fh)
    logger.addHandler(ch)
    # silence noisy modules
    logging.getLogger("OpenGL").setLevel(logging.ERROR)
    logging.getLogger("libav").setLevel(logging.ERROR)
    # create logger for the context of this function
    logger = logging.getLogger(__name__)

    # We deferr the imports becasue of multiprocessing.
    # Otherwise the world process each process also loads the other imports.
    # This is not harmfull but unnessasary.

    # general imports
    from time import time
    import numpy as np

    # display
    import glfw
    from pyglui import ui, graph, cygl
    from pyglui.cygl.utils import Named_Texture
    from gl_utils import (
        basic_gl_setup,
        adjust_gl_view,
        clear_gl_screen,
        make_coord_system_pixel_based,
        make_coord_system_norm_based,
    )

    # check versions for our own depedencies as they are fast-changing
    from pyglui import __version__ as pyglui_version

    assert pyglui_version >= "0.7"

    # monitoring
    import psutil

    # helpers/utils
    from file_methods import Persistent_Dict
    from methods import normalize, denormalize, delta_t
    from video_capture import autoCreateCapture, FileCaptureError, EndofVideoFileError, CameraCaptureError
    from version_utils import VersionFormat

    # Plug-ins
    from plugin import Plugin_List, import_runtime_plugins
    from calibration_routines import calibration_plugins, gaze_mapping_plugins
    from recorder import Recorder
    from show_calibration import Show_Calibration
    from display_recent_gaze import Display_Recent_Gaze
    from pupil_server import Pupil_Server
    from pupil_sync import Pupil_Sync
    from marker_detector import Marker_Detector
    from log_display import Log_Display
    from annotations import Annotation_Capture

    # create logger for the context of this function

    # UI Platform tweaks
    if platform.system() == "Linux":
        scroll_factor = 10.0
        window_position_default = (0, 0)
    elif platform.system() == "Windows":
        scroll_factor = 1.0
        window_position_default = (8, 31)
    else:
        scroll_factor = 1.0
        window_position_default = (0, 0)

    # g_pool holds variables for this process
    g_pool = Global_Container()

    # make some constants avaiable
    g_pool.user_dir = user_dir
    g_pool.version = version
    g_pool.app = "capture"
    g_pool.pupil_queue = pupil_queue
    g_pool.timebase = timebase
    # g_pool.lauchner_pipe = lauchner_pipe
    g_pool.eye_pipes = eye_pipes
    g_pool.eyes_are_alive = eyes_are_alive

    # manage plugins
    runtime_plugins = import_runtime_plugins(os.path.join(g_pool.user_dir, "plugins"))
    user_launchable_plugins = [
        Show_Calibration,
        Pupil_Server,
        Pupil_Sync,
        Marker_Detector,
        Annotation_Capture,
    ] + runtime_plugins
    system_plugins = [Log_Display, Display_Recent_Gaze, Recorder]
    plugin_by_index = system_plugins + user_launchable_plugins + calibration_plugins + gaze_mapping_plugins
    name_by_index = [p.__name__ for p in plugin_by_index]
    plugin_by_name = dict(zip(name_by_index, plugin_by_index))
    default_plugins = [
        ("Log_Display", {}),
        ("Dummy_Gaze_Mapper", {}),
        ("Display_Recent_Gaze", {}),
        ("Screen_Marker_Calibration", {}),
        ("Recorder", {}),
    ]

    # Callback functions
    def on_resize(window, w, h):
        if not g_pool.iconified:
            g_pool.gui.update_window(w, h)
            g_pool.gui.collect_menus()
            graph.adjust_size(w, h)
            adjust_gl_view(w, h)
            for p in g_pool.plugins:
                p.on_window_resize(window, w, h)

    def on_iconify(window, iconified):
        g_pool.iconified = iconified

    def on_key(window, key, scancode, action, mods):
        g_pool.gui.update_key(key, scancode, action, mods)

    def on_char(window, char):
        g_pool.gui.update_char(char)

    def on_button(window, button, action, mods):
        g_pool.gui.update_button(button, action, mods)
        pos = glfw.glfwGetCursorPos(window)
        pos = normalize(pos, glfw.glfwGetWindowSize(main_window))
        pos = denormalize(pos, (frame.img.shape[1], frame.img.shape[0]))  # Position in img pixels
        for p in g_pool.plugins:
            p.on_click(pos, button, action)

    def on_pos(window, x, y):
        hdpi_factor = float(glfw.glfwGetFramebufferSize(window)[0] / glfw.glfwGetWindowSize(window)[0])
        x, y = x * hdpi_factor, y * hdpi_factor
        g_pool.gui.update_mouse(x, y)

    def on_scroll(window, x, y):
        g_pool.gui.update_scroll(x, y * scroll_factor)

    tick = delta_t()

    def get_dt():
        return next(tick)

    # load session persistent settings
    session_settings = Persistent_Dict(os.path.join(g_pool.user_dir, "user_settings_world"))
    if session_settings.get("version", VersionFormat("0.0")) < g_pool.version:
        logger.info("Session setting are from older version of this app. I will not use those.")
        session_settings.clear()

    # Initialize capture
    cap = autoCreateCapture(cap_src, timebase=g_pool.timebase)
    default_settings = {"frame_size": (1280, 720), "frame_rate": 30}
    previous_settings = session_settings.get("capture_settings", None)
    if previous_settings and previous_settings["name"] == cap.name:
        cap.settings = previous_settings
    else:
        cap.settings = default_settings

    # Test capture
    try:
        frame = cap.get_frame()
    except CameraCaptureError:
        logger.error("Could not retrieve image from capture")
        cap.close()
        lauchner_pipe.send("Exit")
        return

    g_pool.iconified = False
    g_pool.capture = cap
    g_pool.pupil_confidence_threshold = session_settings.get("pupil_confidence_threshold", 0.6)
    g_pool.detection_mapping_mode = session_settings.get("detection_mapping_mode", "2d")
    g_pool.active_calibration_plugin = None

    def open_plugin(plugin):
        if plugin == "Select to load":
            return
        g_pool.plugins.add(plugin)

    def set_scale(new_scale):
        g_pool.gui.scale = new_scale
        g_pool.gui.collect_menus()

    def launch_eye_process(eye_id, blocking=False):
        if eyes_are_alive[eye_id].value:
            logger.error("Eye%s process already running." % eye_id)
            return
        lauchner_pipe.send(eye_id)
        eye_pipes[eye_id].send(("Set_Detection_Mapping_Mode", g_pool.detection_mapping_mode))

        if blocking:
            # wait for ready message from eye to sequentialize startup
            eye_pipes[eye_id].send("Ping")
            eye_pipes[eye_id].recv()

        logger.warning("Eye %s process started." % eye_id)

    def stop_eye_process(eye_id, blocking=False):
        if eyes_are_alive[eye_id].value:
            eye_pipes[eye_id].send("Exit")
            if blocking:
                raise NotImplementedError()

    def start_stop_eye(eye_id, make_alive):
        if make_alive:
            launch_eye_process(eye_id)
        else:
            stop_eye_process(eye_id)

    def set_detection_mapping_mode(new_mode):
        if new_mode == "2d":
            for p in g_pool.plugins:
                if "Vector_Gaze_Mapper" in p.class_name:
                    logger.warning("The gaze mapper is not supported in 2d mode. Please recalibrate.")
                    p.alive = False
            g_pool.plugins.clean()
        for alive, pipe in zip(g_pool.eyes_are_alive, g_pool.eye_pipes):
            if alive.value:
                pipe.send(("Set_Detection_Mapping_Mode", new_mode))
        g_pool.detection_mapping_mode = new_mode

    # window and gl setup
    glfw.glfwInit()
    width, height = session_settings.get("window_size", (frame.width, frame.height))
    main_window = glfw.glfwCreateWindow(width, height, "World")
    window_pos = session_settings.get("window_position", window_position_default)
    glfw.glfwSetWindowPos(main_window, window_pos[0], window_pos[1])
    glfw.glfwMakeContextCurrent(main_window)
    cygl.utils.init()
    g_pool.main_window = main_window

    # setup GUI
    g_pool.gui = ui.UI()
    g_pool.gui.scale = session_settings.get("gui_scale", 1)
    g_pool.sidebar = ui.Scrolling_Menu("Settings", pos=(-350, 0), size=(0, 0), header_pos="left")
    general_settings = ui.Growing_Menu("General")
    general_settings.append(
        ui.Slider("scale", g_pool.gui, setter=set_scale, step=0.05, min=1.0, max=2.5, label="Interface size")
    )
    general_settings.append(
        ui.Button("Reset window size", lambda: glfw.glfwSetWindowSize(main_window, frame.width, frame.height))
    )
    general_settings.append(
        ui.Selector(
            "detection_mapping_mode",
            g_pool,
            label="detection & mapping mode",
            setter=set_detection_mapping_mode,
            selection=["2d", "3d"],
        )
    )
    general_settings.append(
        ui.Switch(
            "eye0_process",
            label="detect eye 0",
            setter=lambda alive: start_stop_eye(0, alive),
            getter=lambda: eyes_are_alive[0].value,
        )
    )
    general_settings.append(
        ui.Switch(
            "eye1_process",
            label="detect eye 1",
            setter=lambda alive: start_stop_eye(1, alive),
            getter=lambda: eyes_are_alive[1].value,
        )
    )
    general_settings.append(
        ui.Selector(
            "Open plugin",
            selection=user_launchable_plugins,
            labels=[p.__name__.replace("_", " ") for p in user_launchable_plugins],
            setter=open_plugin,
            getter=lambda: "Select to load",
        )
    )
    general_settings.append(
        ui.Slider("pupil_confidence_threshold", g_pool, step=0.01, min=0.0, max=1.0, label="Minimum pupil confidence")
    )
    general_settings.append(ui.Info_Text("Capture Version: %s" % g_pool.version))
    g_pool.sidebar.append(general_settings)

    g_pool.calibration_menu = ui.Growing_Menu("Calibration")
    g_pool.sidebar.append(g_pool.calibration_menu)
    g_pool.gui.append(g_pool.sidebar)
    g_pool.quickbar = ui.Stretching_Menu("Quick Bar", (0, 100), (120, -100))
    g_pool.gui.append(g_pool.quickbar)
    g_pool.capture.init_gui(g_pool.sidebar)

    # plugins that are loaded based on user settings from previous session
    g_pool.notifications = []
    g_pool.delayed_notifications = {}
    g_pool.plugins = Plugin_List(g_pool, plugin_by_name, session_settings.get("loaded_plugins", default_plugins))

    # We add the calibration menu selector, after a calibration has been added:
    g_pool.calibration_menu.insert(
        0,
        ui.Selector(
            "active_calibration_plugin",
            getter=lambda: g_pool.active_calibration_plugin.__class__,
            selection=calibration_plugins,
            labels=[p.__name__.replace("_", " ") for p in calibration_plugins],
            setter=open_plugin,
            label="Method",
        ),
    )

    # Register callbacks main_window
    glfw.glfwSetFramebufferSizeCallback(main_window, on_resize)
    glfw.glfwSetWindowIconifyCallback(main_window, on_iconify)
    glfw.glfwSetKeyCallback(main_window, on_key)
    glfw.glfwSetCharCallback(main_window, on_char)
    glfw.glfwSetMouseButtonCallback(main_window, on_button)
    glfw.glfwSetCursorPosCallback(main_window, on_pos)
    glfw.glfwSetScrollCallback(main_window, on_scroll)

    # gl_state settings
    basic_gl_setup()
    g_pool.image_tex = Named_Texture()
    g_pool.image_tex.update_from_frame(frame)
    # refresh speed settings
    glfw.glfwSwapInterval(0)

    # trigger setup of window and gl sizes
    on_resize(main_window, *glfw.glfwGetFramebufferSize(main_window))

    # now the we have  aproper window we can load the last gui configuration
    g_pool.gui.configuration = session_settings.get("ui_config", {})

    # set up performace graphs:
    pid = os.getpid()
    ps = psutil.Process(pid)
    ts = frame.timestamp

    cpu_graph = graph.Bar_Graph()
    cpu_graph.pos = (20, 130)
    cpu_graph.update_fn = ps.cpu_percent
    cpu_graph.update_rate = 5
    cpu_graph.label = "CPU %0.1f"

    fps_graph = graph.Bar_Graph()
    fps_graph.pos = (140, 130)
    fps_graph.update_rate = 5
    fps_graph.label = "%0.0f FPS"

    pupil_graph = graph.Bar_Graph(max_val=1.0)
    pupil_graph.pos = (260, 130)
    pupil_graph.update_rate = 5
    pupil_graph.label = "Confidence: %0.2f"

    if session_settings.get("eye1_process_alive", False):
        launch_eye_process(1, blocking=True)
    if session_settings.get("eye0_process_alive", True):
        launch_eye_process(0, blocking=False)

    # Event loop
    while not glfw.glfwWindowShouldClose(main_window):

        # Get an image from the grabber
        try:
            frame = cap.get_frame()
        except CameraCaptureError:
            logger.error("Capture from camera failed. Stopping.")
            break
        except EndofVideoFileError:
            logger.warning("Video file is done. Stopping")
            break

        # update performace graphs
        t = frame.timestamp
        dt, ts = t - ts, t
        try:
            fps_graph.add(1.0 / dt)
        except ZeroDivisionError:
            pass
        cpu_graph.update()

        # a dictionary that allows plugins to post and read events
        events = {}

        # report time between now and the last loop interation
        events["dt"] = get_dt()

        # receive and map pupil positions
        recent_pupil_positions = []
        while not g_pool.pupil_queue.empty():
            p = g_pool.pupil_queue.get()
            recent_pupil_positions.append(p)
            pupil_graph.add(p["confidence"])
        events["pupil_positions"] = recent_pupil_positions

        # publish delayed notifiactions when their time has come.
        for n in g_pool.delayed_notifications.values():
            if n["_notify_time_"] < time():
                del n["_notify_time_"]
                del g_pool.delayed_notifications[n["subject"]]
                g_pool.notifications.append(n)

        # notify each plugin if there are new notifications:
        while g_pool.notifications:
            n = g_pool.notifications.pop(0)
            for p in g_pool.plugins:
                p.on_notify(n)

        # allow each Plugin to do its work.
        for p in g_pool.plugins:
            p.update(frame, events)

        # check if a plugin need to be destroyed
        g_pool.plugins.clean()

        # render camera image
        glfw.glfwMakeContextCurrent(main_window)
        if g_pool.iconified:
            pass
        else:
            g_pool.image_tex.update_from_frame(frame)

        make_coord_system_norm_based()
        g_pool.image_tex.draw()
        make_coord_system_pixel_based((frame.height, frame.width, 3))
        # render visual feedback from loaded plugins
        for p in g_pool.plugins:
            p.gl_display()

        if not g_pool.iconified:
            graph.push_view()
            fps_graph.draw()
            cpu_graph.draw()
            pupil_graph.draw()
            graph.pop_view()
            g_pool.gui.update()
            glfw.glfwSwapBuffers(main_window)
        glfw.glfwPollEvents()

    glfw.glfwRestoreWindow(main_window)  # need to do this for windows os
    session_settings["loaded_plugins"] = g_pool.plugins.get_initializers()
    session_settings["pupil_confidence_threshold"] = g_pool.pupil_confidence_threshold
    session_settings["gui_scale"] = g_pool.gui.scale
    session_settings["ui_config"] = g_pool.gui.configuration
    session_settings["capture_settings"] = g_pool.capture.settings
    session_settings["window_size"] = glfw.glfwGetWindowSize(main_window)
    session_settings["window_position"] = glfw.glfwGetWindowPos(main_window)
    session_settings["version"] = g_pool.version
    session_settings["eye0_process_alive"] = eyes_are_alive[0].value
    session_settings["eye1_process_alive"] = eyes_are_alive[1].value
    session_settings["detection_mapping_mode"] = g_pool.detection_mapping_mode
    session_settings.close()

    # de-init all running plugins
    for p in g_pool.plugins:
        p.alive = False
    g_pool.plugins.clean()
    g_pool.gui.terminate()
    glfw.glfwDestroyWindow(main_window)
    glfw.glfwTerminate()
    cap.close()

    # shut down eye processes:
    stop_eye_process(0)
    stop_eye_process(1)

    # shut down laucher
    lauchner_pipe.send("Exit")

    logger.debug("world process done")
Ejemplo n.º 2
0
def eye(g_pool, cap_src, cap_size, pipe_to_world, eye_id=0):
    """
    Creates a window, gl context.
    Grabs images from a capture.
    Streams Pupil coordinates into g_pool.pupil_queue
    """

    # modify the root logger for this process
    logger = logging.getLogger()
    # remove inherited handlers
    logger.handlers = []
    # create file handler which logs even debug messages
    fh = logging.FileHandler(os.path.join(g_pool.user_dir,
                                          'eye%s.log' % eye_id),
                             mode='w')
    # fh.setLevel(logging.DEBUG)
    # create console handler with a higher log level
    ch = logging.StreamHandler()
    ch.setLevel(logger.level + 10)
    # create formatter and add it to the handlers
    formatter = logging.Formatter(
        'Eye' + str(eye_id) +
        ' Process: %(asctime)s - %(name)s - %(levelname)s - %(message)s')
    fh.setFormatter(formatter)
    formatter = logging.Formatter(
        'EYE' + str(eye_id) +
        ' Process [%(levelname)s] %(name)s : %(message)s')
    ch.setFormatter(formatter)
    # add the handlers to the logger
    logger.addHandler(fh)
    logger.addHandler(ch)
    # create logger for the context of this function
    logger = logging.getLogger(__name__)

    #UI Platform tweaks
    if platform.system() == 'Linux':
        scroll_factor = 10.0
        window_position_default = (600, 300 * eye_id)
    elif platform.system() == 'Windows':
        scroll_factor = 1.0
        window_position_default = (600, 31 + 300 * eye_id)
    else:
        scroll_factor = 1.0
        window_position_default = (600, 300 * eye_id)

    # Callback functions
    def on_resize(window, w, h):
        if not g_pool.iconified:
            active_window = glfwGetCurrentContext()
            glfwMakeContextCurrent(window)
            g_pool.gui.update_window(w, h)
            graph.adjust_size(w, h)
            adjust_gl_view(w, h)
            glfwMakeContextCurrent(active_window)

    def on_key(window, key, scancode, action, mods):
        g_pool.gui.update_key(key, scancode, action, mods)

    def on_char(window, char):
        g_pool.gui.update_char(char)

    def on_iconify(window, iconified):
        g_pool.iconified = iconified

    def on_button(window, button, action, mods):
        if g_pool.display_mode == 'roi':
            if action == GLFW_RELEASE and u_r.active_edit_pt:
                u_r.active_edit_pt = False
                return  # if the roi interacts we dont what the gui to interact as well
            elif action == GLFW_PRESS:
                pos = glfwGetCursorPos(window)
                pos = normalize(pos, glfwGetWindowSize(main_window))
                if g_pool.flip:
                    pos = 1 - pos[0], 1 - pos[1]
                pos = denormalize(
                    pos, (frame.width, frame.height))  # Position in img pixels
                if u_r.mouse_over_edit_pt(pos, u_r.handle_size + 40,
                                          u_r.handle_size + 40):
                    return  # if the roi interacts we dont what the gui to interact as well

        g_pool.gui.update_button(button, action, mods)

    def on_pos(window, x, y):
        hdpi_factor = float(
            glfwGetFramebufferSize(window)[0] / glfwGetWindowSize(window)[0])
        g_pool.gui.update_mouse(x * hdpi_factor, y * hdpi_factor)

        if u_r.active_edit_pt:
            pos = normalize((x, y), glfwGetWindowSize(main_window))
            if g_pool.flip:
                pos = 1 - pos[0], 1 - pos[1]
            pos = denormalize(pos, (frame.width, frame.height))
            u_r.move_vertex(u_r.active_pt_idx, pos)

    def on_scroll(window, x, y):
        g_pool.gui.update_scroll(x, y * scroll_factor)

    def on_close(window):
        g_pool.quit.value = True
        logger.info('Process closing from window')

    # load session persistent settings
    session_settings = Persistent_Dict(
        os.path.join(g_pool.user_dir, 'user_settings_eye%s' % eye_id))
    if session_settings.get("version", VersionFormat('0.0')) < g_pool.version:
        logger.info(
            "Session setting are from older version of this app. I will not use those."
        )
        session_settings.clear()
    # Initialize capture
    cap = autoCreateCapture(cap_src, timebase=g_pool.timebase)
    default_settings = {'frame_size': cap_size, 'frame_rate': 30}
    previous_settings = session_settings.get('capture_settings', None)
    if previous_settings and previous_settings['name'] == cap.name:
        cap.settings = previous_settings
    else:
        cap.settings = default_settings

    # Test capture
    try:
        frame = cap.get_frame()
    except CameraCaptureError:
        logger.error("Could not retrieve image from capture")
        cap.close()
        return

    #signal world that we are ready to go
    pipe_to_world.send('eye%s process ready' % eye_id)

    # any object we attach to the g_pool object *from now on* will only be visible to this process!
    # vars should be declared here to make them visible to the code reader.
    g_pool.iconified = False
    g_pool.capture = cap
    g_pool.flip = session_settings.get('flip', False)
    g_pool.display_mode = session_settings.get('display_mode', 'camera_image')
    g_pool.display_mode_info_text = {
        'camera_image':
        "Raw eye camera image. This uses the least amount of CPU power",
        'roi':
        "Click and drag on the blue circles to adjust the region of interest. The region should be a small as possible but big enough to capture to pupil in its movements",
        'algorithm':
        "Algorithm display mode overlays a visualization of the pupil detection parameters on top of the eye video. Adjust parameters with in the Pupil Detection menu below."
    }
    # g_pool.draw_pupil = session_settings.get('draw_pupil',True)

    u_r = UIRoi(frame.img.shape)
    u_r.set(session_settings.get('roi', u_r.get()))

    writer = None

    pupil_detector = Canny_Detector(g_pool)

    # UI callback functions
    def set_scale(new_scale):
        g_pool.gui.scale = new_scale
        g_pool.gui.collect_menus()

    def set_display_mode_info(val):
        g_pool.display_mode = val
        g_pool.display_mode_info.text = g_pool.display_mode_info_text[val]

    # Initialize glfw
    glfwInit()
    if g_pool.binocular:
        title = "Binocular eye %s" % eye_id
    else:
        title = 'Eye'
    width, height = session_settings.get('window_size',
                                         (frame.width, frame.height))
    main_window = glfwCreateWindow(width, height, title, None, None)
    window_pos = session_settings.get('window_position',
                                      window_position_default)
    glfwSetWindowPos(main_window, window_pos[0], window_pos[1])
    glfwMakeContextCurrent(main_window)
    cygl_init()

    # gl_state settings
    basic_gl_setup()
    g_pool.image_tex = Named_Texture()
    g_pool.image_tex.update_from_frame(frame)
    glfwSwapInterval(0)

    #setup GUI
    g_pool.gui = ui.UI()
    g_pool.gui.scale = session_settings.get('gui_scale', 1)
    g_pool.sidebar = ui.Scrolling_Menu("Settings",
                                       pos=(-300, 0),
                                       size=(0, 0),
                                       header_pos='left')
    general_settings = ui.Growing_Menu('General')
    general_settings.append(
        ui.Slider('scale',
                  g_pool.gui,
                  setter=set_scale,
                  step=.05,
                  min=1.,
                  max=2.5,
                  label='Interface Size'))
    general_settings.append(
        ui.Button(
            'Reset window size',
            lambda: glfwSetWindowSize(main_window, frame.width, frame.height)))
    general_settings.append(
        ui.Selector('display_mode',
                    g_pool,
                    setter=set_display_mode_info,
                    selection=['camera_image', 'roi', 'algorithm'],
                    labels=['Camera Image', 'ROI', 'Algorithm'],
                    label="Mode"))
    general_settings.append(
        ui.Switch('flip', g_pool, label='Flip image display'))
    g_pool.display_mode_info = ui.Info_Text(
        g_pool.display_mode_info_text[g_pool.display_mode])
    general_settings.append(g_pool.display_mode_info)
    g_pool.sidebar.append(general_settings)
    g_pool.gui.append(g_pool.sidebar)
    # let the camera add its GUI
    g_pool.capture.init_gui(g_pool.sidebar)
    # let detector add its GUI
    pupil_detector.init_gui(g_pool.sidebar)

    # Register callbacks main_window
    glfwSetFramebufferSizeCallback(main_window, on_resize)
    glfwSetWindowCloseCallback(main_window, on_close)
    glfwSetWindowIconifyCallback(main_window, on_iconify)
    glfwSetKeyCallback(main_window, on_key)
    glfwSetCharCallback(main_window, on_char)
    glfwSetMouseButtonCallback(main_window, on_button)
    glfwSetCursorPosCallback(main_window, on_pos)
    glfwSetScrollCallback(main_window, on_scroll)

    #set the last saved window size
    on_resize(main_window, *glfwGetWindowSize(main_window))

    # load last gui configuration
    g_pool.gui.configuration = session_settings.get('ui_config', {})

    #set up performance graphs
    pid = os.getpid()
    ps = psutil.Process(pid)
    ts = frame.timestamp

    cpu_graph = graph.Bar_Graph()
    cpu_graph.pos = (20, 130)
    cpu_graph.update_fn = ps.cpu_percent
    cpu_graph.update_rate = 5
    cpu_graph.label = 'CPU %0.1f'

    fps_graph = graph.Bar_Graph()
    fps_graph.pos = (140, 130)
    fps_graph.update_rate = 5
    fps_graph.label = "%0.0f FPS"

    #create a timer to control window update frequency
    window_update_timer = timer(1 / 60.)

    def window_should_update():
        return next(window_update_timer)

    # Event loop
    while not g_pool.quit.value:
        # Get an image from the grabber
        try:
            frame = cap.get_frame()
        except CameraCaptureError:
            logger.error("Capture from Camera Failed. Stopping.")
            break
        except EndofVideoFileError:
            logger.warning("Video File is done. Stopping")
            break

        #update performace graphs
        t = frame.timestamp
        dt, ts = t - ts, t
        try:
            fps_graph.add(1. / dt)
        except ZeroDivisionError:
            pass
        cpu_graph.update()

        ###  RECORDING of Eye Video (on demand) ###
        # Setup variables and lists for recording
        if pipe_to_world.poll():
            command, raw_mode = pipe_to_world.recv()
            if command is not None:
                record_path = command
                logger.info("Will save eye video to: %s" % record_path)
                timestamps_path = os.path.join(record_path,
                                               "eye%s_timestamps.npy" % eye_id)
                if raw_mode and frame.jpeg_buffer:
                    video_path = os.path.join(record_path,
                                              "eye%s.mp4" % eye_id)
                    writer = JPEG_Writer(video_path, cap.frame_rate)
                else:
                    video_path = os.path.join(record_path,
                                              "eye%s.mp4" % eye_id)
                    writer = AV_Writer(video_path, cap.frame_rate)
                timestamps = []
            else:
                logger.info("Done recording.")
                writer.release()
                writer = None
                np.save(timestamps_path, np.asarray(timestamps))
                del timestamps

        if writer:
            writer.write_video_frame(frame)
            timestamps.append(frame.timestamp)

        # pupil ellipse detection
        result = pupil_detector.detect(
            frame, user_roi=u_r, visualize=g_pool.display_mode == 'algorithm')
        result['id'] = eye_id
        # stream the result
        g_pool.pupil_queue.put(result)

        # GL drawing
        if window_should_update():
            if not g_pool.iconified:
                glfwMakeContextCurrent(main_window)
                clear_gl_screen()

                # switch to work in normalized coordinate space
                if g_pool.display_mode == 'algorithm':
                    g_pool.image_tex.update_from_ndarray(frame.img)
                elif g_pool.display_mode in ('camera_image', 'roi'):
                    g_pool.image_tex.update_from_ndarray(frame.gray)
                else:
                    pass

                make_coord_system_norm_based(g_pool.flip)
                g_pool.image_tex.draw()
                # switch to work in pixel space
                make_coord_system_pixel_based((frame.height, frame.width, 3),
                                              g_pool.flip)

                if result['confidence'] > 0:
                    if result.has_key('axes'):
                        pts = cv2.ellipse2Poly((int(
                            result['center'][0]), int(result['center'][1])),
                                               (int(result['axes'][0] / 2),
                                                int(result['axes'][1] / 2)),
                                               int(result['angle']), 0, 360,
                                               15)
                        cygl_draw_polyline(pts, 1, cygl_rgba(1., 0, 0, .5))
                    cygl_draw_points([result['center']],
                                     size=20,
                                     color=cygl_rgba(1., 0., 0., .5),
                                     sharpness=1.)

                # render graphs
                graph.push_view()
                fps_graph.draw()
                cpu_graph.draw()
                graph.pop_view()

                # render GUI
                g_pool.gui.update()

                #render the ROI
                if g_pool.display_mode == 'roi':
                    u_r.draw(g_pool.gui.scale)

                #update screen
                glfwSwapBuffers(main_window)
            glfwPollEvents()

    # END while running

    # in case eye recording was still runnnig: Save&close
    if writer:
        logger.info("Done recording eye.")
        writer = None
        np.save(timestamps_path, np.asarray(timestamps))

    glfwRestoreWindow(main_window)  #need to do this for windows os
    # save session persistent settings
    session_settings['gui_scale'] = g_pool.gui.scale
    session_settings['roi'] = u_r.get()
    session_settings['flip'] = g_pool.flip
    session_settings['display_mode'] = g_pool.display_mode
    session_settings['ui_config'] = g_pool.gui.configuration
    session_settings['capture_settings'] = g_pool.capture.settings
    session_settings['window_size'] = glfwGetWindowSize(main_window)
    session_settings['window_position'] = glfwGetWindowPos(main_window)
    session_settings['version'] = g_pool.version
    session_settings.close()

    pupil_detector.cleanup()
    g_pool.gui.terminate()
    glfwDestroyWindow(main_window)
    glfwTerminate()
    cap.close()

    #flushing queue in case world process did not exit gracefully
    while not g_pool.pupil_queue.empty():
        g_pool.pupil_queue.get()
    g_pool.pupil_queue.close()

    logger.debug("Process done")
Ejemplo n.º 3
0
def session(rec_dir):

    # Callback functions
    def on_resize(window, w, h):
        g_pool.gui.update_window(w, h)
        g_pool.gui.collect_menus()
        graph.adjust_size(w, h)
        adjust_gl_view(w, h)
        for p in g_pool.plugins:
            p.on_window_resize(window, w, h)

    def on_key(window, key, scancode, action, mods):
        g_pool.gui.update_key(key, scancode, action, mods)

    def on_char(window, char):
        g_pool.gui.update_char(char)

    def on_button(window, button, action, mods):
        g_pool.gui.update_button(button, action, mods)
        pos = glfwGetCursorPos(window)
        pos = normalize(pos, glfwGetWindowSize(window))
        pos = denormalize(pos, (frame.img.shape[1], frame.img.shape[0]))  # Position in img pixels
        for p in g_pool.plugins:
            p.on_click(pos, button, action)

    def on_pos(window, x, y):
        hdpi_factor = float(glfwGetFramebufferSize(window)[0] / glfwGetWindowSize(window)[0])
        g_pool.gui.update_mouse(x * hdpi_factor, y * hdpi_factor)

    def on_scroll(window, x, y):
        g_pool.gui.update_scroll(x, y * y_scroll_factor)

    def on_drop(window, count, paths):
        for x in range(count):
            new_rec_dir = paths[x]
            if is_pupil_rec_dir(new_rec_dir):
                logger.debug("Starting new session with '%s'" % new_rec_dir)
                global rec_dir
                rec_dir = new_rec_dir
                glfwSetWindowShouldClose(window, True)
            else:
                logger.error("'%s' is not a valid pupil recording" % new_rec_dir)

    # parse info.csv file
    meta_info_path = os.path.join(rec_dir, "info.csv")
    with open(meta_info_path) as info:
        meta_info = dict(((line.strip().split("\t")) for line in info.readlines()))

    video_path = os.path.join(rec_dir, "world.mkv")
    timestamps_path = os.path.join(rec_dir, "world_timestamps.npy")
    pupil_data_path = os.path.join(rec_dir, "pupil_data")

    rec_version = read_rec_version(meta_info)
    if rec_version >= VersionFormat("0.5"):
        pass
    elif rec_version >= VersionFormat("0.4"):
        update_recording_0v4_to_current(rec_dir)
    elif rec_version >= VersionFormat("0.3"):
        update_recording_0v3_to_current(rec_dir)
        video_path = os.path.join(rec_dir, "world.avi")
        timestamps_path = os.path.join(rec_dir, "timestamps.npy")
    else:
        logger.Error("This recording is to old. Sorry.")
        return

    # Initialize capture
    cap = autoCreateCapture(video_path, timestamps=timestamps_path)
    if isinstance(cap, FakeCapture):
        logger.error("could not start capture.")
        return

    # load session persistent settings
    session_settings = Persistent_Dict(os.path.join(user_dir, "user_settings"))
    if session_settings.get("version", VersionFormat("0.0")) < get_version(version_file):
        logger.info("Session setting are from older version of this app. I will not use those.")
        session_settings.clear()

    width, height = session_settings.get("window_size", cap.frame_size)
    window_pos = session_settings.get("window_position", (0, 0))
    main_window = glfwCreateWindow(
        width,
        height,
        "Pupil Player: " + meta_info["Recording Name"] + " - " + rec_dir.split(os.path.sep)[-1],
        None,
        None,
    )
    glfwSetWindowPos(main_window, window_pos[0], window_pos[1])
    glfwMakeContextCurrent(main_window)
    cygl.utils.init()

    # Register callbacks main_window
    glfwSetFramebufferSizeCallback(main_window, on_resize)
    glfwSetKeyCallback(main_window, on_key)
    glfwSetCharCallback(main_window, on_char)
    glfwSetMouseButtonCallback(main_window, on_button)
    glfwSetCursorPosCallback(main_window, on_pos)
    glfwSetScrollCallback(main_window, on_scroll)
    glfwSetDropCallback(main_window, on_drop)

    # load pupil_positions, gaze_positions
    pupil_data = load_object(pupil_data_path)
    pupil_list = pupil_data["pupil_positions"]
    gaze_list = pupil_data["gaze_positions"]

    # create container for globally scoped vars
    g_pool = Global_Container()
    g_pool.app = "player"
    g_pool.version = get_version(version_file)
    g_pool.capture = cap
    g_pool.timestamps = np.load(timestamps_path)
    g_pool.play = False
    g_pool.new_seek = True
    g_pool.user_dir = user_dir
    g_pool.rec_dir = rec_dir
    g_pool.rec_version = rec_version
    g_pool.meta_info = meta_info
    g_pool.pupil_positions_by_frame = correlate_data(pupil_list, g_pool.timestamps)
    g_pool.gaze_positions_by_frame = correlate_data(gaze_list, g_pool.timestamps)
    g_pool.fixations_by_frame = [[] for x in g_pool.timestamps]  # populated by the fixation detector plugin

    def next_frame(_):
        try:
            cap.seek_to_frame(cap.get_frame_index())
        except FileSeekError:
            pass
        g_pool.new_seek = True

    def prev_frame(_):
        try:
            cap.seek_to_frame(cap.get_frame_index() - 2)
        except FileSeekError:
            pass
        g_pool.new_seek = True

    def set_scale(new_scale):
        g_pool.gui.scale = new_scale
        g_pool.gui.collect_menus()

    def open_plugin(plugin):
        if plugin == "Select to load":
            return
        logger.debug("Open Plugin: %s" % plugin)
        new_plugin = plugin(g_pool)
        g_pool.plugins.add(new_plugin)

    def purge_plugins():
        for p in g_pool.plugins:
            if p.__class__ in user_launchable_plugins:
                p.alive = False
        g_pool.plugins.clean()

    g_pool.gui = ui.UI()
    g_pool.gui.scale = session_settings.get("gui_scale", 1)
    g_pool.main_menu = ui.Growing_Menu("Settings", pos=(-350, 20), size=(300, 400))
    g_pool.main_menu.append(ui.Button("quit", lambda: on_close(None)))
    g_pool.main_menu.append(
        ui.Slider("scale", g_pool.gui, setter=set_scale, step=0.05, min=0.75, max=2.5, label="Interface Size")
    )

    g_pool.main_menu.append(ui.Info_Text("Player Version: %s" % g_pool.version))
    g_pool.main_menu.append(ui.Info_Text("Recording Version: %s" % rec_version))

    g_pool.main_menu.append(
        ui.Selector(
            "Open plugin",
            selection=user_launchable_plugins,
            labels=[p.__name__.replace("_", " ") for p in user_launchable_plugins],
            setter=open_plugin,
            getter=lambda: "Select to load",
        )
    )
    g_pool.main_menu.append(ui.Button("Close all plugins", purge_plugins))
    g_pool.main_menu.append(
        ui.Button("Reset window size", lambda: glfwSetWindowSize(main_window, cap.frame_size[0], cap.frame_size[1]))
    )

    g_pool.quickbar = ui.Stretching_Menu("Quick Bar", (0, 100), (120, -100))
    g_pool.play_button = ui.Thumb("play", g_pool, label="Play", hotkey=GLFW_KEY_SPACE)
    g_pool.play_button.on_color[:] = (0, 1.0, 0.0, 0.8)
    g_pool.forward_button = ui.Thumb("forward", getter=lambda: False, setter=next_frame, hotkey=GLFW_KEY_RIGHT)
    g_pool.backward_button = ui.Thumb("backward", getter=lambda: False, setter=prev_frame, hotkey=GLFW_KEY_LEFT)
    g_pool.quickbar.extend([g_pool.play_button, g_pool.forward_button, g_pool.backward_button])

    g_pool.gui.append(g_pool.quickbar)
    g_pool.gui.append(g_pool.main_menu)

    # we always load these plugins
    system_plugins = [("Trim_Marks", {}), ("Seek_Bar", {})]
    default_plugins = [("Scan_Path", {}), ("Vis_Polyline", {}), ("Vis_Circle", {}), ("Export_Launcher", {})]
    previous_plugins = session_settings.get("loaded_plugins", default_plugins)
    g_pool.plugins = Plugin_List(g_pool, plugin_by_name, system_plugins + previous_plugins)

    for p in g_pool.plugins:
        if p.class_name == "Trim_Marks":
            g_pool.trim_marks = p
            break

    g_pool.gui.configuration = session_settings.get("ui_config", {})

    # trigger on_resize
    on_resize(main_window, *glfwGetFramebufferSize(main_window))

    # gl_state settings
    basic_gl_setup()
    g_pool.image_tex = create_named_texture((height, width, 3))

    # set up performace graphs:
    pid = os.getpid()
    ps = psutil.Process(pid)
    ts = cap.get_now() - 0.03

    cpu_graph = graph.Bar_Graph()
    cpu_graph.pos = (20, 110)
    cpu_graph.update_fn = ps.cpu_percent
    cpu_graph.update_rate = 5
    cpu_graph.label = "CPU %0.1f"

    fps_graph = graph.Bar_Graph()
    fps_graph.pos = (140, 110)
    fps_graph.update_rate = 5
    fps_graph.label = "%0.0f REC FPS"

    pupil_graph = graph.Bar_Graph(max_val=1.0)
    pupil_graph.pos = (260, 110)
    pupil_graph.update_rate = 5
    pupil_graph.label = "Confidence: %0.2f"

    while not glfwWindowShouldClose(main_window):

        # grab new frame
        if g_pool.play or g_pool.new_seek:
            try:
                new_frame = cap.get_frame()
            except EndofVideoFileError:
                # end of video logic: pause at last frame.
                g_pool.play = False

            if g_pool.new_seek:
                display_time = new_frame.timestamp
                g_pool.new_seek = False

            update_graph = True
        else:
            update_graph = False

        frame = new_frame.copy()
        events = {}
        # new positons we make a deepcopy just like the image is a copy.
        events["gaze_positions"] = deepcopy(g_pool.gaze_positions_by_frame[frame.index])
        events["pupil_positions"] = deepcopy(g_pool.pupil_positions_by_frame[frame.index])

        if update_graph:
            # update performace graphs
            for p in events["pupil_positions"]:
                pupil_graph.add(p["confidence"])

            t = new_frame.timestamp
            if ts != t:
                dt, ts = t - ts, t
            fps_graph.add(1.0 / dt)

            g_pool.play_button.status_text = str(frame.index)
        # always update the CPU graph
        cpu_graph.update()

        # allow each Plugin to do its work.
        for p in g_pool.plugins:
            p.update(frame, events)

        # check if a plugin need to be destroyed
        g_pool.plugins.clean()

        # render camera image
        glfwMakeContextCurrent(main_window)
        make_coord_system_norm_based()
        update_named_texture(g_pool.image_tex, frame.img)
        draw_named_texture(g_pool.image_tex)
        make_coord_system_pixel_based(frame.img.shape)
        # render visual feedback from loaded plugins
        for p in g_pool.plugins:
            p.gl_display()

        graph.push_view()
        fps_graph.draw()
        cpu_graph.draw()
        pupil_graph.draw()
        graph.pop_view()
        g_pool.gui.update()

        # present frames at appropriate speed
        wait_time = frame.timestamp - display_time
        display_time = frame.timestamp
        try:
            spent_time = time() - timestamp
            sleep(wait_time - spent_time)
        except:
            pass
        timestamp = time()

        glfwSwapBuffers(main_window)
        glfwPollEvents()

    session_settings["loaded_plugins"] = g_pool.plugins.get_initializers()
    session_settings["gui_scale"] = g_pool.gui.scale
    session_settings["ui_config"] = g_pool.gui.configuration
    session_settings["window_size"] = glfwGetWindowSize(main_window)
    session_settings["window_position"] = glfwGetWindowPos(main_window)
    session_settings["version"] = g_pool.version
    session_settings.close()

    # de-init all running plugins
    for p in g_pool.plugins:
        p.alive = False
    g_pool.plugins.clean()

    cap.close()
    g_pool.gui.terminate()
    destroy_named_texture(g_pool.image_tex)
    glfwDestroyWindow(main_window)
Ejemplo n.º 4
0
def eye(timebase,
        is_alive_flag,
        ipc_pub_url,
        ipc_sub_url,
        ipc_push_url,
        user_dir,
        version,
        eye_id,
        overwrite_cap_settings=None):
    """reads eye video and detects the pupil.

    Creates a window, gl context.
    Grabs images from a capture.
    Streams Pupil coordinates.

    Reacts to notifications:
       ``set_detection_mapping_mode``: Sets detection method
       ``eye_process.should_stop``: Stops the eye process
       ``recording.started``: Starts recording eye video
       ``recording.stopped``: Stops recording eye video
       ``frame_publishing.started``: Starts frame publishing
       ``frame_publishing.stopped``: Stops frame publishing

    Emits notifications:
        ``eye_process.started``: Eye process started
        ``eye_process.stopped``: Eye process stopped

    Emits data:
        ``pupil.<eye id>``: Pupil data for eye with id ``<eye id>``
        ``frame.eye.<eye id>``: Eye frames with id ``<eye id>``
    """

    # We deferr the imports becasue of multiprocessing.
    # Otherwise the world process each process also loads the other imports.
    import zmq
    import zmq_tools
    zmq_ctx = zmq.Context()
    ipc_socket = zmq_tools.Msg_Dispatcher(zmq_ctx, ipc_push_url)
    pupil_socket = zmq_tools.Msg_Streamer(zmq_ctx, ipc_pub_url)
    notify_sub = zmq_tools.Msg_Receiver(zmq_ctx,
                                        ipc_sub_url,
                                        topics=("notify", ))

    with Is_Alive_Manager(is_alive_flag, ipc_socket, eye_id):

        # logging setup
        import logging
        logging.getLogger("OpenGL").setLevel(logging.ERROR)
        logger = logging.getLogger()
        logger.handlers = []
        logger.setLevel(logging.INFO)
        logger.addHandler(zmq_tools.ZMQ_handler(zmq_ctx, ipc_push_url))
        # create logger for the context of this function
        logger = logging.getLogger(__name__)

        # general imports
        import numpy as np
        import cv2

        # display
        import glfw
        from pyglui import ui, graph, cygl
        from pyglui.cygl.utils import draw_points, RGBA, draw_polyline
        from pyglui.cygl.utils import Named_Texture
        from gl_utils import basic_gl_setup, adjust_gl_view, clear_gl_screen
        from gl_utils import make_coord_system_pixel_based
        from gl_utils import make_coord_system_norm_based
        from gl_utils import is_window_visible
        from ui_roi import UIRoi
        # monitoring
        import psutil

        # helpers/utils
        from uvc import get_time_monotonic
        from file_methods import Persistent_Dict
        from version_utils import VersionFormat
        from methods import normalize, denormalize, timer
        from av_writer import JPEG_Writer, AV_Writer
        from video_capture import source_classes
        from video_capture import manager_classes

        # Pupil detectors
        from pupil_detectors import Detector_2D, Detector_3D
        pupil_detectors = {
            Detector_2D.__name__: Detector_2D,
            Detector_3D.__name__: Detector_3D
        }

        # UI Platform tweaks
        if platform.system() == 'Linux':
            scroll_factor = 10.0
            window_position_default = (600, 300 * eye_id)
        elif platform.system() == 'Windows':
            scroll_factor = 10.0
            window_position_default = (600, 31 + 300 * eye_id)
        else:
            scroll_factor = 1.0
            window_position_default = (600, 300 * eye_id)

        # g_pool holds variables for this process
        g_pool = Global_Container()

        # make some constants avaiable
        g_pool.user_dir = user_dir
        g_pool.version = version
        g_pool.app = 'capture'
        g_pool.process = 'eye{}'.format(eye_id)
        g_pool.timebase = timebase

        g_pool.ipc_pub = ipc_socket

        def get_timestamp():
            return get_time_monotonic() - g_pool.timebase.value

        g_pool.get_timestamp = get_timestamp
        g_pool.get_now = get_time_monotonic

        # Callback functions
        def on_resize(window, w, h):
            if is_window_visible(window):
                active_window = glfw.glfwGetCurrentContext()
                glfw.glfwMakeContextCurrent(window)
                g_pool.gui.update_window(w, h)
                graph.adjust_size(w, h)
                adjust_gl_view(w, h)
                glfw.glfwMakeContextCurrent(active_window)

        def on_key(window, key, scancode, action, mods):
            g_pool.gui.update_key(key, scancode, action, mods)

        def on_char(window, char):
            g_pool.gui.update_char(char)

        def on_iconify(window, iconified):
            g_pool.iconified = iconified

        def on_button(window, button, action, mods):
            if g_pool.display_mode == 'roi':
                if action == glfw.GLFW_RELEASE and g_pool.u_r.active_edit_pt:
                    g_pool.u_r.active_edit_pt = False
                    # if the roi interacts we dont want
                    # the gui to interact as well
                    return
                elif action == glfw.GLFW_PRESS:
                    pos = glfw.glfwGetCursorPos(window)
                    pos = normalize(pos, glfw.glfwGetWindowSize(main_window))
                    if g_pool.flip:
                        pos = 1 - pos[0], 1 - pos[1]
                    # Position in img pixels
                    pos = denormalize(
                        pos,
                        g_pool.capture.frame_size)  # Position in img pixels
                    if g_pool.u_r.mouse_over_edit_pt(
                            pos, g_pool.u_r.handle_size + 40,
                            g_pool.u_r.handle_size + 40):
                        # if the roi interacts we dont want
                        # the gui to interact as well
                        return

            g_pool.gui.update_button(button, action, mods)

        def on_pos(window, x, y):
            hdpi_factor = glfw.glfwGetFramebufferSize(
                window)[0] / glfw.glfwGetWindowSize(window)[0]
            g_pool.gui.update_mouse(x * hdpi_factor, y * hdpi_factor)

            if g_pool.u_r.active_edit_pt:
                pos = normalize((x, y), glfw.glfwGetWindowSize(main_window))
                if g_pool.flip:
                    pos = 1 - pos[0], 1 - pos[1]
                pos = denormalize(pos, g_pool.capture.frame_size)
                g_pool.u_r.move_vertex(g_pool.u_r.active_pt_idx, pos)

        def on_scroll(window, x, y):
            g_pool.gui.update_scroll(x, y * scroll_factor)

        # load session persistent settings
        session_settings = Persistent_Dict(
            os.path.join(g_pool.user_dir,
                         'user_settings_eye{}'.format(eye_id)))
        if session_settings.get("version",
                                VersionFormat('0.0')) < g_pool.version:
            logger.info(
                "Session setting are from older version of this app. I will not use those."
            )
            session_settings.clear()

        g_pool.iconified = False
        g_pool.capture = None
        g_pool.capture_manager = None
        g_pool.flip = session_settings.get('flip', False)
        g_pool.display_mode = session_settings.get('display_mode',
                                                   'camera_image')
        g_pool.display_mode_info_text = {
            'camera_image':
            "Raw eye camera image. This uses the least amount of CPU power",
            'roi':
            "Click and drag on the blue circles to adjust the region of interest. The region should be as small as possible, but large enough to capture all pupil movements.",
            'algorithm':
            "Algorithm display mode overlays a visualization of the pupil detection parameters on top of the eye video. Adjust parameters within the Pupil Detection menu below."
        }

        capture_manager_settings = session_settings.get(
            'capture_manager_settings', ('UVC_Manager', {}))

        manager_class_name, manager_settings = capture_manager_settings
        manager_class_by_name = {c.__name__: c for c in manager_classes}
        g_pool.capture_manager = manager_class_by_name[manager_class_name](
            g_pool, **manager_settings)

        if eye_id == 0:
            cap_src = [
                "Pupil Cam1 ID0", "HD-6000", "Integrated Camera",
                "HD USB Camera", "USB 2.0 Camera"
            ]
        else:
            cap_src = ["Pupil Cam1 ID1", "HD-6000", "Integrated Camera"]

        # Initialize capture
        default_settings = ('UVC_Source', {
            'preferred_names': cap_src,
            'frame_size': (640, 480),
            'frame_rate': 90
        })

        capture_source_settings = overwrite_cap_settings or session_settings.get(
            'capture_settings', default_settings)
        source_class_name, source_settings = capture_source_settings
        source_class_by_name = {c.__name__: c for c in source_classes}
        g_pool.capture = source_class_by_name[source_class_name](
            g_pool, **source_settings)
        assert g_pool.capture

        g_pool.u_r = UIRoi(
            (g_pool.capture.frame_size[1], g_pool.capture.frame_size[0]))
        roi_user_settings = session_settings.get('roi')
        if roi_user_settings and roi_user_settings[-1] == g_pool.u_r.get()[-1]:
            g_pool.u_r.set(roi_user_settings)

        pupil_detector_settings = session_settings.get(
            'pupil_detector_settings', None)
        last_pupil_detector = pupil_detectors[session_settings.get(
            'last_pupil_detector', Detector_2D.__name__)]
        g_pool.pupil_detector = last_pupil_detector(g_pool,
                                                    pupil_detector_settings)

        # UI callback functions
        def set_scale(new_scale):
            g_pool.gui.scale = new_scale
            g_pool.gui.collect_menus()

        def set_display_mode_info(val):
            g_pool.display_mode = val
            g_pool.display_mode_info.text = g_pool.display_mode_info_text[val]

        def set_detector(new_detector):
            g_pool.pupil_detector.cleanup()
            g_pool.pupil_detector = new_detector(g_pool)
            g_pool.pupil_detector.init_gui(g_pool.sidebar)

        # Initialize glfw
        glfw.glfwInit()
        title = "Pupil Capture - eye {}".format(eye_id)
        width, height = session_settings.get('window_size',
                                             g_pool.capture.frame_size)
        main_window = glfw.glfwCreateWindow(width, height, title, None, None)
        window_pos = session_settings.get('window_position',
                                          window_position_default)
        glfw.glfwSetWindowPos(main_window, window_pos[0], window_pos[1])
        glfw.glfwMakeContextCurrent(main_window)
        cygl.utils.init()

        # gl_state settings
        basic_gl_setup()
        g_pool.image_tex = Named_Texture()
        g_pool.image_tex.update_from_ndarray(
            np.ones((1, 1), dtype=np.uint8) + 125)

        # setup GUI
        g_pool.gui = ui.UI()
        g_pool.gui.scale = session_settings.get('gui_scale', 1)
        g_pool.sidebar = ui.Scrolling_Menu("Settings",
                                           pos=(-300, 0),
                                           size=(0, 0),
                                           header_pos='left')
        general_settings = ui.Growing_Menu('General')
        general_settings.append(
            ui.Slider('scale',
                      g_pool.gui,
                      setter=set_scale,
                      step=.05,
                      min=1.,
                      max=2.5,
                      label='Interface Size'))
        general_settings.append(
            ui.Button(
                'Reset window size', lambda: glfw.glfwSetWindowSize(
                    main_window, *g_pool.capture.frame_size)))
        general_settings.append(
            ui.Switch('flip', g_pool, label='Flip image display'))
        general_settings.append(
            ui.Selector('display_mode',
                        g_pool,
                        setter=set_display_mode_info,
                        selection=['camera_image', 'roi', 'algorithm'],
                        labels=['Camera Image', 'ROI', 'Algorithm'],
                        label="Mode"))
        g_pool.display_mode_info = ui.Info_Text(
            g_pool.display_mode_info_text[g_pool.display_mode])

        general_settings.append(g_pool.display_mode_info)
        g_pool.gui.append(g_pool.sidebar)
        detector_selector = ui.Selector(
            'pupil_detector',
            getter=lambda: g_pool.pupil_detector.__class__,
            setter=set_detector,
            selection=[Detector_2D, Detector_3D],
            labels=['C++ 2d detector', 'C++ 3d detector'],
            label="Detection method")
        general_settings.append(detector_selector)

        g_pool.capture_selector_menu = ui.Growing_Menu('Capture Selection')
        g_pool.capture_source_menu = ui.Growing_Menu('Capture Source')
        g_pool.capture.init_gui()

        g_pool.sidebar.append(general_settings)
        g_pool.sidebar.append(g_pool.capture_selector_menu)
        g_pool.sidebar.append(g_pool.capture_source_menu)

        g_pool.pupil_detector.init_gui(g_pool.sidebar)

        g_pool.capture_manager.init_gui()
        g_pool.writer = None

        def replace_source(source_class_name, source_settings):
            g_pool.capture.cleanup()
            g_pool.capture = source_class_by_name[source_class_name](
                g_pool, **source_settings)
            g_pool.capture.init_gui()
            if g_pool.writer:
                logger.info("Done recording.")
                g_pool.writer.release()
                g_pool.writer = None
                np.save(timestamps_path, np.asarray(timestamps))

        g_pool.replace_source = replace_source  # for ndsi capture

        def replace_manager(manager_class):
            g_pool.capture_manager.cleanup()
            g_pool.capture_manager = manager_class(g_pool)
            g_pool.capture_manager.init_gui()

        #We add the capture selection menu, after a manager has been added:
        g_pool.capture_selector_menu.insert(
            0,
            ui.Selector('capture_manager',
                        g_pool,
                        setter=replace_manager,
                        getter=lambda: g_pool.capture_manager.__class__,
                        selection=manager_classes,
                        labels=[b.gui_name for b in manager_classes],
                        label='Manager'))

        # Register callbacks main_window
        glfw.glfwSetFramebufferSizeCallback(main_window, on_resize)
        glfw.glfwSetWindowIconifyCallback(main_window, on_iconify)
        glfw.glfwSetKeyCallback(main_window, on_key)
        glfw.glfwSetCharCallback(main_window, on_char)
        glfw.glfwSetMouseButtonCallback(main_window, on_button)
        glfw.glfwSetCursorPosCallback(main_window, on_pos)
        glfw.glfwSetScrollCallback(main_window, on_scroll)

        # set the last saved window size
        on_resize(main_window, *glfw.glfwGetWindowSize(main_window))

        # load last gui configuration
        g_pool.gui.configuration = session_settings.get('ui_config', {})

        # set up performance graphs
        pid = os.getpid()
        ps = psutil.Process(pid)
        ts = g_pool.get_timestamp()

        cpu_graph = graph.Bar_Graph()
        cpu_graph.pos = (20, 130)
        cpu_graph.update_fn = ps.cpu_percent
        cpu_graph.update_rate = 5
        cpu_graph.label = 'CPU %0.1f'

        fps_graph = graph.Bar_Graph()
        fps_graph.pos = (140, 130)
        fps_graph.update_rate = 5
        fps_graph.label = "%0.0f FPS"

        should_publish_frames = False
        frame_publish_format = 'jpeg'

        # create a timer to control window update frequency
        window_update_timer = timer(1 / 60)

        def window_should_update():
            return next(window_update_timer)

        logger.warning('Process started.')

        frame = None

        # Event loop
        while not glfw.glfwWindowShouldClose(main_window):

            if notify_sub.new_data:
                t, notification = notify_sub.recv()
                subject = notification['subject']
                if subject == 'eye_process.should_stop':
                    if notification['eye_id'] == eye_id:
                        break
                elif subject == 'set_detection_mapping_mode':
                    if notification['mode'] == '3d':
                        if not isinstance(g_pool.pupil_detector, Detector_3D):
                            set_detector(Detector_3D)
                        detector_selector.read_only = True
                    else:
                        if not isinstance(g_pool.pupil_detector, Detector_2D):
                            set_detector(Detector_2D)
                        detector_selector.read_only = False
                elif subject == 'recording.started':
                    if notification['record_eye'] and g_pool.capture.online:
                        record_path = notification['rec_path']
                        raw_mode = notification['compression']
                        logger.info(
                            "Will save eye video to: {}".format(record_path))
                        timestamps_path = os.path.join(
                            record_path, "eye{}_timestamps.npy".format(eye_id))
                        if raw_mode and frame and g_pool.capture.jpeg_support:
                            video_path = os.path.join(
                                record_path, "eye{}.mp4".format(eye_id))
                            writer = JPEG_Writer(video_path,
                                                 g_pool.capture.frame_rate)
                        else:
                            video_path = os.path.join(
                                record_path, "eye{}.mp4".format(eye_id))
                            writer = AV_Writer(video_path,
                                               g_pool.capture.frame_rate)
                        timestamps = []
                elif subject == 'recording.stopped':
                    if g_pool.writer:
                        logger.info("Done recording.")
                        g_pool.writer.release()
                        g_pool.writer = None
                        np.save(timestamps_path, np.asarray(timestamps))
                elif subject.startswith('meta.should_doc'):
                    ipc_socket.notify({
                        'subject': 'meta.doc',
                        'actor': 'eye{}'.format(eye_id),
                        'doc': eye.__doc__
                    })
                elif subject.startswith('frame_publishing.started'):
                    should_publish_frames = True
                    frame_publish_format = notification.get('format', 'jpeg')
                elif subject.startswith('frame_publishing.stopped'):
                    should_publish_frames = False
                    frame_publish_format = 'jpeg'
                elif subject.startswith('start_eye_capture') and notification[
                        'target'] == g_pool.process:
                    replace_source(notification['name'], notification['args'])

                g_pool.capture.on_notify(notification)

            # Get an image from the grabber
            event = {}
            g_pool.capture.recent_events(event)
            frame = event.get('frame')
            g_pool.capture_manager.recent_events(event)
            if frame:
                f_width, f_height = g_pool.capture.frame_size
                if (g_pool.u_r.array_shape[0],
                        g_pool.u_r.array_shape[1]) != (f_height, f_width):
                    g_pool.u_r = UIRoi((f_height, f_width))
                if should_publish_frames and frame.jpeg_buffer:
                    if frame_publish_format == "jpeg":
                        data = frame.jpeg_buffer
                    elif frame_publish_format == "yuv":
                        data = frame.yuv_buffer
                    elif frame_publish_format == "bgr":
                        data = frame.bgr
                    elif frame_publish_format == "gray":
                        data = frame.gray
                    pupil_socket.send(
                        'frame.eye.%s' % eye_id, {
                            'width': frame.width,
                            'height': frame.width,
                            'index': frame.index,
                            'timestamp': frame.timestamp,
                            'format': frame_publish_format,
                            '__raw_data__': [data]
                        })

                t = frame.timestamp
                dt, ts = t - ts, t
                try:
                    fps_graph.add(1. / dt)
                except ZeroDivisionError:
                    pass

                if g_pool.writer:
                    g_pool.writer.write_video_frame(frame)
                    timestamps.append(frame.timestamp)

                # pupil ellipse detection
                result = g_pool.pupil_detector.detect(
                    frame, g_pool.u_r, g_pool.display_mode == 'algorithm')
                result['id'] = eye_id

                # stream the result
                pupil_socket.send('pupil.%s' % eye_id, result)

            cpu_graph.update()

            # GL drawing
            if window_should_update():
                if is_window_visible(main_window):
                    glfw.glfwMakeContextCurrent(main_window)
                    clear_gl_screen()

                    if frame:
                        # switch to work in normalized coordinate space
                        if g_pool.display_mode == 'algorithm':
                            g_pool.image_tex.update_from_ndarray(frame.img)
                        elif g_pool.display_mode in ('camera_image', 'roi'):
                            g_pool.image_tex.update_from_ndarray(frame.gray)
                        else:
                            pass
                    make_coord_system_norm_based(g_pool.flip)
                    g_pool.image_tex.draw()
                    f_width, f_height = g_pool.capture.frame_size
                    make_coord_system_pixel_based((f_height, f_width, 3),
                                                  g_pool.flip)
                    if frame:
                        if result['method'] == '3d c++':
                            eye_ball = result['projected_sphere']
                            try:
                                pts = cv2.ellipse2Poly(
                                    (int(eye_ball['center'][0]),
                                     int(eye_ball['center'][1])),
                                    (int(eye_ball['axes'][0] / 2),
                                     int(eye_ball['axes'][1] / 2)),
                                    int(eye_ball['angle']), 0, 360, 8)
                            except ValueError as e:
                                pass
                            else:
                                draw_polyline(
                                    pts, 2,
                                    RGBA(0., .9, .1,
                                         result['model_confidence']))
                        if result['confidence'] > 0:
                            if 'ellipse' in result:
                                pts = cv2.ellipse2Poly(
                                    (int(result['ellipse']['center'][0]),
                                     int(result['ellipse']['center'][1])),
                                    (int(result['ellipse']['axes'][0] / 2),
                                     int(result['ellipse']['axes'][1] / 2)),
                                    int(result['ellipse']['angle']), 0, 360,
                                    15)
                                confidence = result['confidence'] * 0.7
                                draw_polyline(pts, 1,
                                              RGBA(1., 0, 0, confidence))
                                draw_points([result['ellipse']['center']],
                                            size=20,
                                            color=RGBA(1., 0., 0., confidence),
                                            sharpness=1.)

                    # render graphs
                    graph.push_view()
                    fps_graph.draw()
                    cpu_graph.draw()
                    graph.pop_view()

                    # render GUI
                    g_pool.gui.update()

                    # render the ROI
                    g_pool.u_r.draw(g_pool.gui.scale)
                    if g_pool.display_mode == 'roi':
                        g_pool.u_r.draw_points(g_pool.gui.scale)

                    # update screen
                    glfw.glfwSwapBuffers(main_window)
                glfw.glfwPollEvents()
                g_pool.pupil_detector.visualize(
                )  # detector decides if we visualize or not

        # END while running

        # in case eye recording was still runnnig: Save&close
        if g_pool.writer:
            logger.info("Done recording eye.")
            g_pool.writer = None
            np.save(timestamps_path, np.asarray(timestamps))

        glfw.glfwRestoreWindow(main_window)  # need to do this for windows os
        # save session persistent settings
        session_settings['gui_scale'] = g_pool.gui.scale
        session_settings['roi'] = g_pool.u_r.get()
        session_settings['flip'] = g_pool.flip
        session_settings['display_mode'] = g_pool.display_mode
        session_settings['ui_config'] = g_pool.gui.configuration
        session_settings[
            'capture_settings'] = g_pool.capture.class_name, g_pool.capture.get_init_dict(
            )
        session_settings[
            'capture_manager_settings'] = g_pool.capture_manager.class_name, g_pool.capture_manager.get_init_dict(
            )
        session_settings['window_size'] = glfw.glfwGetWindowSize(main_window)
        session_settings['window_position'] = glfw.glfwGetWindowPos(
            main_window)
        session_settings['version'] = g_pool.version
        session_settings[
            'last_pupil_detector'] = g_pool.pupil_detector.__class__.__name__
        session_settings[
            'pupil_detector_settings'] = g_pool.pupil_detector.get_settings()
        session_settings.close()

        g_pool.capture.deinit_gui()
        g_pool.pupil_detector.cleanup()
        g_pool.gui.terminate()
        glfw.glfwDestroyWindow(main_window)
        glfw.glfwTerminate()
        g_pool.capture_manager.cleanup()
        g_pool.capture.cleanup()
        logger.info("Process shutting down.")
Ejemplo n.º 5
0
def session(rec_dir):

    # Callback functions
    def on_resize(window,w, h):
        g_pool.gui.update_window(w,h)
        g_pool.gui.collect_menus()
        graph.adjust_size(w,h)
        adjust_gl_view(w,h)
        for p in g_pool.plugins:
            p.on_window_resize(window,w,h)

    def on_key(window, key, scancode, action, mods):
        g_pool.gui.update_key(key,scancode,action,mods)

    def on_char(window,char):
        g_pool.gui.update_char(char)

    def on_button(window,button, action, mods):
        g_pool.gui.update_button(button,action,mods)
        pos = glfwGetCursorPos(window)
        pos = normalize(pos,glfwGetWindowSize(window))
        pos = denormalize(pos,(frame.img.shape[1],frame.img.shape[0]) ) # Position in img pixels
        for p in g_pool.plugins:
            p.on_click(pos,button,action)

    def on_pos(window,x, y):
        hdpi_factor = float(glfwGetFramebufferSize(window)[0]/glfwGetWindowSize(window)[0])
        g_pool.gui.update_mouse(x*hdpi_factor,y*hdpi_factor)

    def on_scroll(window,x,y):
        g_pool.gui.update_scroll(x,y*y_scroll_factor)


    def on_drop(window,count,paths):
        for x in range(count):
            new_rec_dir =  paths[x]
            if is_pupil_rec_dir(new_rec_dir):
                logger.debug("Starting new session with '%s'"%new_rec_dir)
                global rec_dir
                rec_dir = new_rec_dir
                glfwSetWindowShouldClose(window,True)
            else:
                logger.error("'%s' is not a valid pupil recording"%new_rec_dir)




    tick = delta_t()
    def get_dt():
        return next(tick)


    video_path = [f for f in glob(os.path.join(rec_dir,"world.*")) if f[-3:] in ('mp4','mkv','avi')][0]
    timestamps_path = os.path.join(rec_dir, "world_timestamps.npy")
    pupil_data_path = os.path.join(rec_dir, "pupil_data")

    #parse info.csv file
    meta_info_path = os.path.join(rec_dir,"info.csv")
    with open(meta_info_path) as info:
        meta_info = dict( ((line.strip().split('\t')) for line in info.readlines() ) )

    rec_version = read_rec_version(meta_info)
    if rec_version >= VersionFormat('0.7.4'):
        pass
    if rec_version >= VersionFormat('0.7.3'):
        update_recording_0v73_to_current(rec_dir)
    elif rec_version >= VersionFormat('0.5'):
        update_recording_0v5_to_current(rec_dir)
    elif rec_version >= VersionFormat('0.4'):
        update_recording_0v4_to_current(rec_dir)
    elif rec_version >= VersionFormat('0.3'):
        update_recording_0v3_to_current(rec_dir)
        timestamps_path = os.path.join(rec_dir, "timestamps.npy")
    else:
        logger.Error("This recording is to old. Sorry.")
        return


    timestamps = np.load(timestamps_path)
    # Initialize capture
    cap = File_Capture(video_path,timestamps=list(timestamps))

    # load session persistent settings
    session_settings = Persistent_Dict(os.path.join(user_dir,"user_settings"))
    if session_settings.get("version",VersionFormat('0.0')) < get_version(version_file):
        logger.info("Session setting are from older version of this app. I will not use those.")
        session_settings.clear()

    width,height = session_settings.get('window_size',cap.frame_size)
    window_pos = session_settings.get('window_position',(0,0))
    main_window = glfwCreateWindow(width, height, "Pupil Player: "+meta_info["Recording Name"]+" - "+ rec_dir.split(os.path.sep)[-1], None, None)
    glfwSetWindowPos(main_window,window_pos[0],window_pos[1])
    glfwMakeContextCurrent(main_window)
    cygl.utils.init()

    # load pupil_positions, gaze_positions
    pupil_data = load_object(pupil_data_path)
    pupil_list = pupil_data['pupil_positions']
    gaze_list = pupil_data['gaze_positions']

    # create container for globally scoped vars
    g_pool = Global_Container()
    g_pool.app = 'player'
    g_pool.binocular = meta_info.get('Eye Mode','monocular') == 'binocular'
    g_pool.version = get_version(version_file)
    g_pool.capture = cap
    g_pool.timestamps = timestamps
    g_pool.play = False
    g_pool.new_seek = True
    g_pool.user_dir = user_dir
    g_pool.rec_dir = rec_dir
    g_pool.rec_version = rec_version
    g_pool.meta_info = meta_info
    g_pool.pupil_positions_by_frame = correlate_data(pupil_list,g_pool.timestamps)
    g_pool.gaze_positions_by_frame = correlate_data(gaze_list,g_pool.timestamps)
    g_pool.fixations_by_frame = [[] for x in g_pool.timestamps] #populated by the fixation detector plugin

    def next_frame(_):
        try:
            cap.seek_to_frame(cap.get_frame_index())
        except FileSeekError:
            logger.warning("Could not seek to next frame.")
        else:
            g_pool.new_seek = True

    def prev_frame(_):
        try:
            cap.seek_to_frame(cap.get_frame_index()-2)
        except FileSeekError:
            logger.warning("Could not seek to previous frame.")
        else:
            g_pool.new_seek = True

    def set_scale(new_scale):
        g_pool.gui.scale = new_scale
        g_pool.gui.collect_menus()

    def open_plugin(plugin):
        if plugin ==  "Select to load":
            return
        g_pool.plugins.add(plugin)

    def purge_plugins():
        for p in g_pool.plugins:
            if p.__class__ in user_launchable_plugins:
                p.alive = False
        g_pool.plugins.clean()

    def do_export(_):
        export_range = slice(g_pool.trim_marks.in_mark,g_pool.trim_marks.out_mark)
        export_dir = os.path.join(g_pool.rec_dir,'exports','%s-%s'%(export_range.start,export_range.stop))
        try:
            os.makedirs(export_dir)
        except OSError as e:
            if e.errno != errno.EEXIST:
                logger.error("Could not create export dir")
                raise e
            else:
                logger.warning("Previous export for range [%s-%s] already exsits - overwriting."%(export_range.start,export_range.stop))
        else:
            logger.info('Created export dir at "%s"'%export_dir)

        notification = {'subject':'should_export','range':export_range,'export_dir':export_dir}
        g_pool.notifications.append(notification)

    g_pool.gui = ui.UI()
    g_pool.gui.scale = session_settings.get('gui_scale',1)
    g_pool.main_menu = ui.Growing_Menu("Settings",pos=(-350,20),size=(300,400))
    g_pool.main_menu.append(ui.Button("Close Pupil Player",lambda:glfwSetWindowShouldClose(main_window,True)))
    g_pool.main_menu.append(ui.Slider('scale',g_pool.gui, setter=set_scale,step = .05,min=0.75,max=2.5,label='Interface Size'))
    g_pool.main_menu.append(ui.Info_Text('Player Version: %s'%g_pool.version))
    g_pool.main_menu.append(ui.Info_Text('Recording Version: %s'%rec_version))
    g_pool.main_menu.append(ui.Selector('Open plugin', selection = user_launchable_plugins,
                                        labels = [p.__name__.replace('_',' ') for p in user_launchable_plugins],
                                        setter= open_plugin, getter = lambda: "Select to load"))
    g_pool.main_menu.append(ui.Button('Close all plugins',purge_plugins))
    g_pool.main_menu.append(ui.Button('Reset window size',lambda: glfwSetWindowSize(main_window,cap.frame_size[0],cap.frame_size[1])) )
    g_pool.quickbar = ui.Stretching_Menu('Quick Bar',(0,100),(120,-100))
    g_pool.play_button = ui.Thumb('play',g_pool,label='Play',hotkey=GLFW_KEY_SPACE)
    g_pool.play_button.on_color[:] = (0,1.,.0,.8)
    g_pool.forward_button = ui.Thumb('forward',getter = lambda: False,setter= next_frame, hotkey=GLFW_KEY_RIGHT)
    g_pool.backward_button = ui.Thumb('backward',getter = lambda: False, setter = prev_frame, hotkey=GLFW_KEY_LEFT)
    g_pool.export_button = ui.Thumb('export',getter = lambda: False, setter = do_export, hotkey='e')
    g_pool.quickbar.extend([g_pool.play_button,g_pool.forward_button,g_pool.backward_button,g_pool.export_button])
    g_pool.gui.append(g_pool.quickbar)
    g_pool.gui.append(g_pool.main_menu)


    #we always load these plugins
    system_plugins = [('Trim_Marks',{}),('Seek_Bar',{})]
    default_plugins = [('Log_Display',{}),('Scan_Path',{}),('Vis_Polyline',{}),('Vis_Circle',{}),('Video_Export_Launcher',{})]
    previous_plugins = session_settings.get('loaded_plugins',default_plugins)
    g_pool.notifications = []
    g_pool.delayed_notifications = {}
    g_pool.plugins = Plugin_List(g_pool,plugin_by_name,system_plugins+previous_plugins)


    # Register callbacks main_window
    glfwSetFramebufferSizeCallback(main_window,on_resize)
    glfwSetKeyCallback(main_window,on_key)
    glfwSetCharCallback(main_window,on_char)
    glfwSetMouseButtonCallback(main_window,on_button)
    glfwSetCursorPosCallback(main_window,on_pos)
    glfwSetScrollCallback(main_window,on_scroll)
    glfwSetDropCallback(main_window,on_drop)
    #trigger on_resize
    on_resize(main_window, *glfwGetFramebufferSize(main_window))

    g_pool.gui.configuration = session_settings.get('ui_config',{})

    # gl_state settings
    basic_gl_setup()
    g_pool.image_tex = Named_Texture()

    #set up performace graphs:
    pid = os.getpid()
    ps = psutil.Process(pid)
    ts = cap.get_timestamp()-.03

    cpu_graph = graph.Bar_Graph()
    cpu_graph.pos = (20,110)
    cpu_graph.update_fn = ps.cpu_percent
    cpu_graph.update_rate = 5
    cpu_graph.label = 'CPU %0.1f'

    fps_graph = graph.Bar_Graph()
    fps_graph.pos = (140,110)
    fps_graph.update_rate = 5
    fps_graph.label = "%0.0f REC FPS"

    pupil_graph = graph.Bar_Graph(max_val=1.0)
    pupil_graph.pos = (260,110)
    pupil_graph.update_rate = 5
    pupil_graph.label = "Confidence: %0.2f"

    while not glfwWindowShouldClose(main_window):


        #grab new frame
        if g_pool.play or g_pool.new_seek:
            g_pool.new_seek = False
            try:
                new_frame = cap.get_frame_nowait()
            except EndofVideoFileError:
                #end of video logic: pause at last frame.
                g_pool.play=False
            update_graph = True
        else:
            update_graph = False


        frame = new_frame.copy()
        events = {}
        #report time between now and the last loop interation
        events['dt'] = get_dt()
        #new positons we make a deepcopy just like the image is a copy.
        events['gaze_positions'] = deepcopy(g_pool.gaze_positions_by_frame[frame.index])
        events['pupil_positions'] = deepcopy(g_pool.pupil_positions_by_frame[frame.index])

        if update_graph:
            #update performace graphs
            for p in  events['pupil_positions']:
                pupil_graph.add(p['confidence'])

            t = new_frame.timestamp
            if ts != t:
                dt,ts = t-ts,t
            fps_graph.add(1./dt)

            g_pool.play_button.status_text = str(frame.index)
        #always update the CPU graph
        cpu_graph.update()


        # publish delayed notifiactions when their time has come.
        for n in g_pool.delayed_notifications.values():
            if n['_notify_time_'] < time():
                del n['_notify_time_']
                del g_pool.delayed_notifications[n['subject']]
                g_pool.notifications.append(n)

        # notify each plugin if there are new notifactions:
        while g_pool.notifications:
            n = g_pool.notifications.pop(0)
            for p in g_pool.plugins:
                p.on_notify(n)

        # allow each Plugin to do its work.
        for p in g_pool.plugins:
            p.update(frame,events)

        #check if a plugin need to be destroyed
        g_pool.plugins.clean()

        # render camera image
        glfwMakeContextCurrent(main_window)
        make_coord_system_norm_based()
        g_pool.image_tex.update_from_frame(frame)
        g_pool.image_tex.draw()
        make_coord_system_pixel_based(frame.img.shape)
        # render visual feedback from loaded plugins
        for p in g_pool.plugins:
            p.gl_display()

        graph.push_view()
        fps_graph.draw()
        cpu_graph.draw()
        pupil_graph.draw()
        graph.pop_view()
        g_pool.gui.update()

        #present frames at appropriate speed
        cap.wait(frame)

        glfwSwapBuffers(main_window)
        glfwPollEvents()

    session_settings['loaded_plugins'] = g_pool.plugins.get_initializers()
    session_settings['gui_scale'] = g_pool.gui.scale
    session_settings['ui_config'] = g_pool.gui.configuration
    session_settings['window_size'] = glfwGetWindowSize(main_window)
    session_settings['window_position'] = glfwGetWindowPos(main_window)
    session_settings['version'] = g_pool.version
    session_settings.close()

    # de-init all running plugins
    for p in g_pool.plugins:
        p.alive = False
    g_pool.plugins.clean()

    cap.close()
    g_pool.gui.terminate()
    glfwDestroyWindow(main_window)
Ejemplo n.º 6
0
def eye(pupil_queue, timebase, pipe_to_world, is_alive_flag, user_dir, version, eye_id, cap_src):
    """
    Creates a window, gl context.
    Grabs images from a capture.
    Streams Pupil coordinates into g_pool.pupil_queue
    """
    is_alive = Is_Alive_Manager(is_alive_flag)
    with is_alive:
        import logging
        # Set up root logger for this process before doing imports of logged modules.
        logger = logging.getLogger()
        logger.setLevel(logging.INFO)
        # remove inherited handlers
        logger.handlers = []
        # create file handler which logs even debug messages
        fh = logging.FileHandler(os.path.join(user_dir,'eye%s.log'%eye_id),mode='w')
        # fh.setLevel(logging.DEBUG)
        # create console handler with a higher log level
        ch = logging.StreamHandler()
        ch.setLevel(logger.level+10)
        # create formatter and add it to the handlers
        formatter = logging.Formatter('Eye'+str(eye_id)+' Process: %(asctime)s - %(name)s - %(levelname)s - %(message)s')
        fh.setFormatter(formatter)
        formatter = logging.Formatter('EYE'+str(eye_id)+' Process [%(levelname)s] %(name)s : %(message)s')
        ch.setFormatter(formatter)
        # add the handlers to the logger
        logger.addHandler(fh)
        logger.addHandler(ch)
        #silence noisy modules
        logging.getLogger("OpenGL").setLevel(logging.ERROR)
        # create logger for the context of this function
        logger = logging.getLogger(__name__)


        # We deferr the imports becasue of multiprocessing.
        # Otherwise the world process each process also loads the other imports.

        #general imports
        import numpy as np
        import cv2

        #display
        import glfw
        from pyglui import ui,graph,cygl
        from pyglui.cygl.utils import draw_points, RGBA, draw_polyline, Named_Texture, Sphere
        import OpenGL.GL as gl
        from gl_utils import basic_gl_setup,adjust_gl_view, clear_gl_screen ,make_coord_system_pixel_based,make_coord_system_norm_based, make_coord_system_eye_camera_based
        from ui_roi import UIRoi
        #monitoring
        import psutil
        import math


        # helpers/utils
        from file_methods import Persistent_Dict
        from version_utils import VersionFormat
        from methods import normalize, denormalize, Roi, timer
        from video_capture import autoCreateCapture, FileCaptureError, EndofVideoFileError, CameraCaptureError
        from av_writer import JPEG_Writer,AV_Writer

        # Pupil detectors
        from pupil_detectors import Detector_2D, Detector_3D
        pupil_detectors = {Detector_2D.__name__:Detector_2D,Detector_3D.__name__:Detector_3D}



        #UI Platform tweaks
        if platform.system() == 'Linux':
            scroll_factor = 10.0
            window_position_default = (600,300*eye_id)
        elif platform.system() == 'Windows':
            scroll_factor = 1.0
            window_position_default = (600,31+300*eye_id)
        else:
            scroll_factor = 1.0
            window_position_default = (600,300*eye_id)


        #g_pool holds variables for this process
        g_pool = Global_Container()

        # make some constants avaiable
        g_pool.user_dir = user_dir
        g_pool.version = version
        g_pool.app = 'capture'
        g_pool.pupil_queue = pupil_queue
        g_pool.timebase = timebase


        # Callback functions
        def on_resize(window,w, h):
            if not g_pool.iconified:
                active_window = glfw.glfwGetCurrentContext()
                glfw.glfwMakeContextCurrent(window)
                g_pool.gui.update_window(w,h)
                graph.adjust_size(w,h)
                adjust_gl_view(w,h)
                glfw.glfwMakeContextCurrent(active_window)

        def on_key(window, key, scancode, action, mods):
            g_pool.gui.update_key(key,scancode,action,mods)

        def on_char(window,char):
            g_pool.gui.update_char(char)

        def on_iconify(window,iconified):
            g_pool.iconified = iconified

        def on_button(window,button, action, mods):
            if g_pool.display_mode == 'roi':
                if action == glfw.GLFW_RELEASE and g_pool.u_r.active_edit_pt:
                    g_pool.u_r.active_edit_pt = False
                    return # if the roi interacts we dont what the gui to interact as well
                elif action == glfw.GLFW_PRESS:
                    pos = glfw.glfwGetCursorPos(window)
                    pos = normalize(pos,glfw.glfwGetWindowSize(main_window))
                    if g_pool.flip:
                        pos = 1-pos[0],1-pos[1]
                    pos = denormalize(pos,(frame.width,frame.height)) # Position in img pixels
                    if g_pool.u_r.mouse_over_edit_pt(pos,g_pool.u_r.handle_size+40,g_pool.u_r.handle_size+40):
                        return # if the roi interacts we dont what the gui to interact as well

            g_pool.gui.update_button(button,action,mods)



        def on_pos(window,x, y):
            hdpi_factor = float(glfw.glfwGetFramebufferSize(window)[0]/glfw.glfwGetWindowSize(window)[0])
            g_pool.gui.update_mouse(x*hdpi_factor,y*hdpi_factor)

            if g_pool.u_r.active_edit_pt:
                pos = normalize((x,y),glfw.glfwGetWindowSize(main_window))
                if g_pool.flip:
                    pos = 1-pos[0],1-pos[1]
                pos = denormalize(pos,(frame.width,frame.height) )
                g_pool.u_r.move_vertex(g_pool.u_r.active_pt_idx,pos)

        def on_scroll(window,x,y):
            g_pool.gui.update_scroll(x,y*scroll_factor)


        # load session persistent settings
        session_settings = Persistent_Dict(os.path.join(g_pool.user_dir,'user_settings_eye%s'%eye_id))
        if session_settings.get("version",VersionFormat('0.0')) < g_pool.version:
            logger.info("Session setting are from older version of this app. I will not use those.")
            session_settings.clear()
        # Initialize capture
        cap = autoCreateCapture(cap_src, timebase=g_pool.timebase)
        default_settings = {'frame_size':(640,480),'frame_rate':60}
        previous_settings = session_settings.get('capture_settings',None)
        if previous_settings and previous_settings['name'] == cap.name:
            cap.settings = previous_settings
        else:
            cap.settings = default_settings


        # Test capture
        try:
            frame = cap.get_frame()
        except CameraCaptureError:
            logger.error("Could not retrieve image from capture")
            cap.close()
            return

        #signal world that we are ready to go
        # pipe_to_world.send('eye%s process ready'%eye_id)

        # any object we attach to the g_pool object *from now on* will only be visible to this process!
        # vars should be declared here to make them visible to the code reader.
        g_pool.iconified = False
        g_pool.capture = cap
        g_pool.flip = session_settings.get('flip',False)
        g_pool.display_mode = session_settings.get('display_mode','camera_image')
        g_pool.display_mode_info_text = {'camera_image': "Raw eye camera image. This uses the least amount of CPU power",
                                    'roi': "Click and drag on the blue circles to adjust the region of interest. The region should be as small as possible, but large enough to capture all pupil movements.",
                                    'algorithm': "Algorithm display mode overlays a visualization of the pupil detection parameters on top of the eye video. Adjust parameters within the Pupil Detection menu below."}


        g_pool.u_r = UIRoi(frame.img.shape)
        g_pool.u_r.set(session_settings.get('roi',g_pool.u_r.get()))


        def on_frame_size_change(new_size):
            g_pool.u_r = UIRoi((new_size[1],new_size[0]))

        cap.on_frame_size_change = on_frame_size_change

        writer = None

        pupil_detector_settings = session_settings.get('pupil_detector_settings',None)
        last_pupil_detector = pupil_detectors[session_settings.get('last_pupil_detector',Detector_2D.__name__)]
        g_pool.pupil_detector = last_pupil_detector(g_pool,pupil_detector_settings)

        # UI callback functions
        def set_scale(new_scale):
            g_pool.gui.scale = new_scale
            g_pool.gui.collect_menus()


        def set_display_mode_info(val):
            g_pool.display_mode = val
            g_pool.display_mode_info.text = g_pool.display_mode_info_text[val]


        def set_detector(new_detector):
            g_pool.pupil_detector.cleanup()
            g_pool.pupil_detector = new_detector(g_pool)
            g_pool.pupil_detector.init_gui(g_pool.sidebar)


        # Initialize glfw
        glfw.glfwInit()
        title = "eye %s"%eye_id
        width,height = session_settings.get('window_size',(frame.width, frame.height))
        main_window = glfw.glfwCreateWindow(width,height, title, None, None)
        window_pos = session_settings.get('window_position',window_position_default)
        glfw.glfwSetWindowPos(main_window,window_pos[0],window_pos[1])
        glfw.glfwMakeContextCurrent(main_window)
        cygl.utils.init()

        # gl_state settings
        basic_gl_setup()
        g_pool.image_tex = Named_Texture()
        g_pool.image_tex.update_from_frame(frame)
        glfw.glfwSwapInterval(0)

        sphere  = Sphere(20)

        #setup GUI
        g_pool.gui = ui.UI()
        g_pool.gui.scale = session_settings.get('gui_scale',1)
        g_pool.sidebar = ui.Scrolling_Menu("Settings",pos=(-300,0),size=(0,0),header_pos='left')
        general_settings = ui.Growing_Menu('General')
        general_settings.append(ui.Slider('scale',g_pool.gui, setter=set_scale,step = .05,min=1.,max=2.5,label='Interface Size'))
        general_settings.append(ui.Button('Reset window size',lambda: glfw.glfwSetWindowSize(main_window,frame.width,frame.height)) )
        general_settings.append(ui.Switch('flip',g_pool,label='Flip image display'))
        general_settings.append(ui.Selector('display_mode',g_pool,setter=set_display_mode_info,selection=['camera_image','roi','algorithm'], labels=['Camera Image', 'ROI', 'Algorithm'], label="Mode") )
        g_pool.display_mode_info = ui.Info_Text(g_pool.display_mode_info_text[g_pool.display_mode])
        general_settings.append(g_pool.display_mode_info)
        g_pool.sidebar.append(general_settings)
        g_pool.gui.append(g_pool.sidebar)
        detector_selector = ui.Selector('pupil_detector',getter = lambda: g_pool.pupil_detector.__class__ ,setter=set_detector,selection=[Detector_2D, Detector_3D],labels=['C++ 2d detector', 'C++ 3d detector'], label="Detection method")
        general_settings.append(detector_selector)

        # let detector add its GUI
        g_pool.pupil_detector.init_gui(g_pool.sidebar)
        # let the camera add its GUI
        g_pool.capture.init_gui(g_pool.sidebar)


        # Register callbacks main_window
        glfw.glfwSetFramebufferSizeCallback(main_window,on_resize)
        glfw.glfwSetWindowIconifyCallback(main_window,on_iconify)
        glfw.glfwSetKeyCallback(main_window,on_key)
        glfw.glfwSetCharCallback(main_window,on_char)
        glfw.glfwSetMouseButtonCallback(main_window,on_button)
        glfw.glfwSetCursorPosCallback(main_window,on_pos)
        glfw.glfwSetScrollCallback(main_window,on_scroll)

        #set the last saved window size
        on_resize(main_window, *glfw.glfwGetWindowSize(main_window))


        # load last gui configuration
        g_pool.gui.configuration = session_settings.get('ui_config',{})


        #set up performance graphs
        pid = os.getpid()
        ps = psutil.Process(pid)
        ts = frame.timestamp

        cpu_graph = graph.Bar_Graph()
        cpu_graph.pos = (20,130)
        cpu_graph.update_fn = ps.cpu_percent
        cpu_graph.update_rate = 5
        cpu_graph.label = 'CPU %0.1f'

        fps_graph = graph.Bar_Graph()
        fps_graph.pos = (140,130)
        fps_graph.update_rate = 5
        fps_graph.label = "%0.0f FPS"


        #create a timer to control window update frequency
        window_update_timer = timer(1/60.)
        def window_should_update():
            return next(window_update_timer)


        # Event loop
        while not glfw.glfwWindowShouldClose(main_window):

            if pipe_to_world.poll():
                cmd = pipe_to_world.recv()
                if cmd == 'Exit':
                    break
                elif cmd == "Ping":
                    pipe_to_world.send("Pong")
                    command = None
                else:
                    command,payload = cmd
                if command == 'Set_Detection_Mapping_Mode':
                    if payload == '3d':
                        if not isinstance(g_pool.pupil_detector,Detector_3D):
                            set_detector(Detector_3D)
                        detector_selector.read_only  = True
                    else:
                        set_detector(Detector_2D)
                        detector_selector.read_only = False

            else:
                command = None



            # Get an image from the grabber
            try:
                frame = cap.get_frame()
            except CameraCaptureError:
                logger.error("Capture from Camera Failed. Stopping.")
                break
            except EndofVideoFileError:
                logger.warning("Video File is done. Stopping")
                cap.seek_to_frame(0)
                frame = cap.get_frame()


            #update performace graphs
            t = frame.timestamp
            dt,ts = t-ts,t
            try:
                fps_graph.add(1./dt)
            except ZeroDivisionError:
                pass
            cpu_graph.update()


            ###  RECORDING of Eye Video (on demand) ###
            # Setup variables and lists for recording
            if 'Rec_Start' == command:
                record_path,raw_mode = payload
                logger.info("Will save eye video to: %s"%record_path)
                timestamps_path = os.path.join(record_path, "eye%s_timestamps.npy"%eye_id)
                if raw_mode and frame.jpeg_buffer:
                    video_path = os.path.join(record_path, "eye%s.mp4"%eye_id)
                    writer = JPEG_Writer(video_path,cap.frame_rate)
                else:
                    video_path = os.path.join(record_path, "eye%s.mp4"%eye_id)
                    writer = AV_Writer(video_path,cap.frame_rate)
                timestamps = []
            elif 'Rec_Stop' == command:
                logger.info("Done recording.")
                writer.release()
                writer = None
                np.save(timestamps_path,np.asarray(timestamps))
                del timestamps

            if writer:
                writer.write_video_frame(frame)
                timestamps.append(frame.timestamp)


            # pupil ellipse detection
            result = g_pool.pupil_detector.detect(frame, g_pool.u_r, g_pool.display_mode == 'algorithm')
            result['id'] = eye_id
            # stream the result
            g_pool.pupil_queue.put(result)

            # GL drawing
            if window_should_update():
                if not g_pool.iconified:
                    glfw.glfwMakeContextCurrent(main_window)
                    clear_gl_screen()

                    # switch to work in normalized coordinate space
                    if g_pool.display_mode == 'algorithm':
                        g_pool.image_tex.update_from_ndarray(frame.img)
                    elif g_pool.display_mode in ('camera_image','roi'):
                        g_pool.image_tex.update_from_ndarray(frame.gray)
                    else:
                        pass

                    make_coord_system_norm_based(g_pool.flip)
                    g_pool.image_tex.draw()

                    window_size =  glfw.glfwGetWindowSize(main_window)
                    make_coord_system_pixel_based((frame.height,frame.width,3),g_pool.flip)

                    if result['method'] == '3d c++':

                        eye_ball = result['projected_sphere']
                        try:
                            pts = cv2.ellipse2Poly( (int(eye_ball['center'][0]),int(eye_ball['center'][1])),
                                                (int(eye_ball['axes'][0]/2),int(eye_ball['axes'][1]/2)),
                                                int(eye_ball['angle']),0,360,8)
                        except ValueError as e:
                            pass
                        else:
                            draw_polyline(pts,2,RGBA(0.,.9,.1,result['model_confidence']) )

                    if result['confidence'] >0:
                        if result.has_key('ellipse'):
                            pts = cv2.ellipse2Poly( (int(result['ellipse']['center'][0]),int(result['ellipse']['center'][1])),
                                            (int(result['ellipse']['axes'][0]/2),int(result['ellipse']['axes'][1]/2)),
                                            int(result['ellipse']['angle']),0,360,15)
                            confidence = result['confidence'] * 0.7 #scale it a little
                            draw_polyline(pts,1,RGBA(1.,0,0,confidence))
                            draw_points([result['ellipse']['center']],size=20,color=RGBA(1.,0.,0.,confidence),sharpness=1.)

                    # render graphs
                    graph.push_view()
                    fps_graph.draw()
                    cpu_graph.draw()
                    graph.pop_view()

                    # render GUI
                    g_pool.gui.update()

                    #render the ROI
                    if g_pool.display_mode == 'roi':
                        g_pool.u_r.draw(g_pool.gui.scale)

                    #update screen
                    glfw.glfwSwapBuffers(main_window)
                glfw.glfwPollEvents()
                g_pool.pupil_detector.visualize() #detector decides if we visualize or not


        # END while running

        # in case eye recording was still runnnig: Save&close
        if writer:
            logger.info("Done recording eye.")
            writer = None
            np.save(timestamps_path,np.asarray(timestamps))

        glfw.glfwRestoreWindow(main_window) #need to do this for windows os
        # save session persistent settings
        session_settings['gui_scale'] = g_pool.gui.scale
        session_settings['roi'] = g_pool.u_r.get()
        session_settings['flip'] = g_pool.flip
        session_settings['display_mode'] = g_pool.display_mode
        session_settings['ui_config'] = g_pool.gui.configuration
        session_settings['capture_settings'] = g_pool.capture.settings
        session_settings['window_size'] = glfw.glfwGetWindowSize(main_window)
        session_settings['window_position'] = glfw.glfwGetWindowPos(main_window)
        session_settings['version'] = g_pool.version
        session_settings['last_pupil_detector'] = g_pool.pupil_detector.__class__.__name__
        session_settings['pupil_detector_settings'] = g_pool.pupil_detector.get_settings()
        session_settings.close()

        g_pool.pupil_detector.cleanup()
        g_pool.gui.terminate()
        glfw.glfwDestroyWindow(main_window)
        glfw.glfwTerminate()
        cap.close()


        logger.debug("Process done")
Ejemplo n.º 7
0
def main():

    # Callback functions
    def on_resize(window,w, h):
        active_window = glfwGetCurrentContext()
        glfwMakeContextCurrent(window)
        hdpi_factor = glfwGetFramebufferSize(window)[0]/glfwGetWindowSize(window)[0]
        w,h = w*hdpi_factor, h*hdpi_factor
        g_pool.gui.update_window(w,h)
        g_pool.gui.collect_menus()
        graph.adjust_size(w,h)
        adjust_gl_view(w,h)
        glfwMakeContextCurrent(active_window)
        for p in g_pool.plugins:
            p.on_window_resize(window,w,h)

    def on_key(window, key, scancode, action, mods):
        g_pool.gui.update_key(key,scancode,action,mods)

    def on_char(window,char):
        g_pool.gui.update_char(char)


    def on_button(window,button, action, mods):
        g_pool.gui.update_button(button,action,mods)
        pos = glfwGetCursorPos(window)
        pos = normalize(pos,glfwGetWindowSize(main_window))
        pos = denormalize(pos,(frame.img.shape[1],frame.img.shape[0]) ) # Position in img pixels
        for p in g_pool.plugins:
            p.on_click(pos,button,action)

    def on_pos(window,x, y):
        hdpi_factor = float(glfwGetFramebufferSize(window)[0]/glfwGetWindowSize(window)[0])
        x,y = x*hdpi_factor,y*hdpi_factor
        g_pool.gui.update_mouse(x,y)

    def on_scroll(window,x,y):
        g_pool.gui.update_scroll(x,y*y_scroll_factor)


    def on_close(window):
        glfwSetWindowShouldClose(main_window,True)
        logger.debug('Process closing from window')


    try:
        rec_dir = sys.argv[1]
    except:
        #for dev, supply hardcoded dir:
        rec_dir = '/Users/mkassner/Desktop/Marker_Tracking_Demo_Recording/'
        if os.path.isdir(rec_dir):
            logger.debug("Dev option: Using hadcoded data dir.")
        else:
            if getattr(sys, 'frozen', False):
                logger.warning("You did not supply a data directory when you called this script! \
                   \nPlease drag a Pupil recoding directory onto the launch icon.")
            else:
                logger.warning("You did not supply a data directory when you called this script! \
                       \nPlease supply a Pupil recoding directory as first arg when calling Pupil Player.")
            return

    if not is_pupil_rec_dir(rec_dir):
        logger.error("You did not supply a dir with the required files inside.")
        return

    # load session persistent settings
    session_settings = Persistent_Dict(os.path.join(user_dir,"user_settings"))

    #backwards compatibility fn.
    patch_meta_info(rec_dir)

    #parse info.csv file
    meta_info_path = rec_dir + "/info.csv"
    with open(meta_info_path) as info:
        meta_info = dict( ((line.strip().split('\t')) for line in info.readlines() ) )


    rec_version = read_rec_version(meta_info)
    if rec_version < VersionFormat('0.4'):
        video_path = rec_dir + "/world.avi"
        timestamps_path = rec_dir + "/timestamps.npy"
    else:
        video_path = rec_dir + "/world.mkv"
        timestamps_path = rec_dir + "/world_timestamps.npy"

    gaze_positions_path = rec_dir + "/gaze_positions.npy"
    #load gaze information
    gaze_list = np.load(gaze_positions_path)
    timestamps = np.load(timestamps_path)

    #correlate data
    if rec_version < VersionFormat('0.4'):
        positions_by_frame = correlate_gaze_legacy(gaze_list,timestamps)
    else:
        positions_by_frame = correlate_gaze(gaze_list,timestamps)

    # Initialize capture
    cap = autoCreateCapture(video_path,timestamps=timestamps_path)

    if isinstance(cap,FakeCapture):
        logger.error("could not start capture.")
        return

    width,height = session_settings.get('window_size',cap.get_size())
    window_pos = session_settings.get('window_position',(0,0)) # not yet using this one.


    # Initialize glfw
    glfwInit()
    main_window = glfwCreateWindow(width, height, "Pupil Player: "+meta_info["Recording Name"]+" - "+ rec_dir.split(os.path.sep)[-1], None, None)
    glfwMakeContextCurrent(main_window)
    cygl.utils.init()


    # Register callbacks main_window
    glfwSetWindowSizeCallback(main_window,on_resize)
    glfwSetWindowCloseCallback(main_window,on_close)
    glfwSetKeyCallback(main_window,on_key)
    glfwSetCharCallback(main_window,on_char)
    glfwSetMouseButtonCallback(main_window,on_button)
    glfwSetCursorPosCallback(main_window,on_pos)
    glfwSetScrollCallback(main_window,on_scroll)


    # create container for globally scoped vars (within world)
    g_pool = Global_Container()
    g_pool.app = 'player'
    g_pool.version = get_version(version_file)
    g_pool.capture = cap
    g_pool.timestamps = timestamps
    g_pool.gaze_list = gaze_list
    g_pool.positions_by_frame = positions_by_frame
    g_pool.play = False
    g_pool.new_seek = True
    g_pool.user_dir = user_dir
    g_pool.rec_dir = rec_dir
    g_pool.rec_version = rec_version
    g_pool.meta_info = meta_info


    def next_frame(_):
        try:
            cap.seek_to_frame(cap.get_frame_index())
        except FileSeekError:
            pass
        g_pool.new_seek = True

    def prev_frame(_):
        try:
            cap.seek_to_frame(cap.get_frame_index()-2)
        except FileSeekError:
            pass
        g_pool.new_seek = True

    def set_scale(new_scale):
        g_pool.gui.scale = new_scale
        g_pool.gui.collect_menus()

    def get_scale():
        return g_pool.gui.scale

    def open_plugin(plugin):
        if plugin ==  "Select to load":
            return
        logger.debug('Open Plugin: %s'%plugin)
        new_plugin = plugin(g_pool)
        g_pool.plugins.add(new_plugin)

    def purge_plugins():
        for p in g_pool.plugins:
            if p.__class__ in user_launchable_plugins:
                p.alive=False
        g_pool.plugins.clean()


    g_pool.gui = ui.UI()
    g_pool.gui.scale = session_settings.get('gui_scale',1)
    g_pool.main_menu = ui.Scrolling_Menu("Settings",pos=(-350,20),size=(300,300))
    g_pool.main_menu.append(ui.Button("quit",lambda: on_close(None)))
    g_pool.main_menu.configuration = session_settings.get('main_menu_config',{})
    g_pool.main_menu.append(ui.Slider('scale', setter=set_scale,getter=get_scale,step = .05,min=0.75,max=2.5,label='Interface Size'))

    g_pool.main_menu.append(ui.Info_Text('Player Version: %s'%g_pool.version))
    g_pool.main_menu.append(ui.Info_Text('Recording Version: %s'%rec_version))

    g_pool.main_menu.append(ui.Selector('Open plugin', selection = user_launchable_plugins,
                                        labels = [p.__name__.replace('_',' ') for p in user_launchable_plugins],
                                        setter= open_plugin, getter = lambda: "Select to load"))
    g_pool.main_menu.append(ui.Button('Close all plugins',purge_plugins))
    g_pool.main_menu.append(ui.Button('Reset window size',lambda: glfwSetWindowSize(main_window,cap.get_size()[0],cap.get_size()[1])) )


    g_pool.quickbar = ui.Stretching_Menu('Quick Bar',(0,100),(120,-100))
    g_pool.play_button = ui.Thumb('play',g_pool,label='Play',hotkey=GLFW_KEY_SPACE)
    g_pool.play_button.on_color[:] = (0,1.,.0,.8)
    g_pool.forward_button = ui.Thumb('forward',getter = lambda: False,setter= next_frame, hotkey=GLFW_KEY_RIGHT)
    g_pool.backward_button = ui.Thumb('backward',getter = lambda: False, setter = prev_frame, hotkey=GLFW_KEY_LEFT)
    g_pool.quickbar.extend([g_pool.play_button,g_pool.forward_button,g_pool.backward_button])

    g_pool.gui.append(g_pool.quickbar)
    g_pool.gui.append(g_pool.main_menu)


    #we always load these plugins
    system_plugins = [('Trim_Marks',{}),('Seek_Bar',{})]
    default_plugins = [('Scan_Path',{}),('Vis_Polyline',{}),('Vis_Circle',{}),('Export_Launcher',{})]
    previous_plugins = session_settings.get('loaded_plugins',default_plugins)
    g_pool.plugins = Plugin_List(g_pool,plugin_by_name,system_plugins+previous_plugins)

    for p in g_pool.plugins:
        if p.class_name == 'Trim_Marks':
            g_pool.trim_marks = p
            break

    #set the last saved window size
    on_resize(main_window, *glfwGetWindowSize(main_window))
    glfwSetWindowPos(main_window,0,0)


    # gl_state settings
    basic_gl_setup()
    g_pool.image_tex = create_named_texture((height,width,3))

    #set up performace graphs:
    pid = os.getpid()
    ps = psutil.Process(pid)
    ts = cap.get_now()-.03

    cpu_graph = graph.Bar_Graph()
    cpu_graph.pos = (20,110)
    cpu_graph.update_fn = ps.get_cpu_percent
    cpu_graph.update_rate = 5
    cpu_graph.label = 'CPU %0.1f'

    fps_graph = graph.Bar_Graph()
    fps_graph.pos = (140,110)
    fps_graph.update_rate = 5
    fps_graph.label = "%0.0f REC FPS"

    pupil_graph = graph.Bar_Graph(max_val=1.0)
    pupil_graph.pos = (260,110)
    pupil_graph.update_rate = 5
    pupil_graph.label = "Confidence: %0.2f"

    while not glfwWindowShouldClose(main_window):

        #grab new frame
        if g_pool.play or g_pool.new_seek:
            try:
                new_frame = cap.get_frame()
            except EndofVideoFileError:
                #end of video logic: pause at last frame.
                g_pool.play=False

            if g_pool.new_seek:
                display_time = new_frame.timestamp
                g_pool.new_seek = False


            update_graph = True
        else:
            update_graph = False


        frame = new_frame.copy()
        events = {}
        #new positons we make a deepcopy just like the image is a copy.
        events['pupil_positions'] = deepcopy(positions_by_frame[frame.index])

        if update_graph:
            #update performace graphs
            for p in  events['pupil_positions']:
                pupil_graph.add(p['confidence'])

            t = new_frame.timestamp
            if ts != t:
                dt,ts = t-ts,t
            fps_graph.add(1./dt)

            g_pool.play_button.status_text = str(frame.index)
        #always update the CPU graph
        cpu_graph.update()


        # allow each Plugin to do its work.
        for p in g_pool.plugins:
            p.update(frame,events)

        #check if a plugin need to be destroyed
        g_pool.plugins.clean()

        # render camera image
        glfwMakeContextCurrent(main_window)
        make_coord_system_norm_based()
        update_named_texture(g_pool.image_tex,frame.img)
        draw_named_texture(g_pool.image_tex)
        make_coord_system_pixel_based(frame.img.shape)
        # render visual feedback from loaded plugins
        for p in g_pool.plugins:
            p.gl_display()

        graph.push_view()
        fps_graph.draw()
        cpu_graph.draw()
        pupil_graph.draw()
        graph.pop_view()
        g_pool.gui.update()

        #present frames at appropriate speed
        wait_time = frame.timestamp - display_time
        display_time = frame.timestamp
        try:
            spent_time = time()-timestamp
            sleep(wait_time-spent_time)
        except:
            pass
        timestamp = time()


        glfwSwapBuffers(main_window)
        glfwPollEvents()

    session_settings['loaded_plugins'] = g_pool.plugins.get_initializers()
    session_settings['gui_scale'] = g_pool.gui.scale
    session_settings['main_menu_config'] = g_pool.main_menu.configuration
    session_settings['window_size'] = glfwGetWindowSize(main_window)
    session_settings['window_position'] = glfwGetWindowPos(main_window)

    session_settings.close()
    # de-init all running plugins
    for p in g_pool.plugins:
        p.alive = False
    g_pool.plugins.clean()

    cap.close()
    glfwDestroyWindow(main_window)
    glfwTerminate()
    logger.debug("Process done")
Ejemplo n.º 8
0
def world(pupil_queue,timebase,launcher_pipe,eye_pipes,eyes_are_alive,user_dir,version,cap_src):
    """world
    Creates a window, gl context.
    Grabs images from a capture.
    Receives Pupil coordinates from eye process[es]
    Can run various plug-ins.
    """

    import logging
    # Set up root logger for this process before doing imports of logged modules.
    logger = logging.getLogger()
    logger.setLevel(logging.INFO)
    #silence noisy modules
    logging.getLogger("OpenGL").setLevel(logging.ERROR)
    # create formatter
    formatter = logging.Formatter('%(processName)s - [%(levelname)s] %(name)s : %(message)s')
    # create file handler which logs even debug messages
    fh = logging.FileHandler(os.path.join(user_dir,'capture.log'),mode='w')
    fh.setLevel(logger.level)
    fh.setFormatter(formatter)
    # create console handler with a higher log level
    ch = logging.StreamHandler()
    ch.setLevel(logger.level+10)
    ch.setFormatter(formatter)
    # add the handlers to the logger
    logger.addHandler(fh)
    logger.addHandler(ch)


    #setup thread to recv log recrods from other processes.
    def log_loop(logging):
        import zmq
        ctx = zmq.Context()
        sub = ctx.socket(zmq.SUB)
        sub.bind('tcp://127.0.0.1:502020')
        sub.setsockopt(zmq.SUBSCRIBE, "")
        while True:
            record = sub.recv_pyobj()
            logger = logging.getLogger(record.name)
            logger.handle(record)

    import threading
    log_thread = threading.Thread(target=log_loop, args=(logging,))
    log_thread.setDaemon(True)
    log_thread.start()


    # create logger for the context of this function
    logger = logging.getLogger(__name__)


    # We defer the imports because of multiprocessing.
    # Otherwise the world process each process also loads the other imports.
    # This is not harmful but unnecessary.

    #general imports
    from time import time,sleep
    import numpy as np

    #display
    import glfw
    from pyglui import ui,graph,cygl
    from pyglui.cygl.utils import Named_Texture
    from gl_utils import basic_gl_setup,adjust_gl_view, clear_gl_screen,make_coord_system_pixel_based,make_coord_system_norm_based

    #check versions for our own depedencies as they are fast-changing
    from pyglui import __version__ as pyglui_version
    assert pyglui_version >= '0.8'

    #monitoring
    import psutil

    # helpers/utils
    from file_methods import Persistent_Dict
    from methods import normalize, denormalize, delta_t, get_system_info
    from video_capture import autoCreateCapture, FileCaptureError, EndofVideoFileError, CameraCaptureError
    from version_utils import VersionFormat
    import audio

    # Plug-ins
    from plugin import Plugin_List,import_runtime_plugins
    from calibration_routines import calibration_plugins, gaze_mapping_plugins
    from recorder import Recorder
    from show_calibration import Show_Calibration
    from display_recent_gaze import Display_Recent_Gaze
    from pupil_server import Pupil_Server
    from pupil_sync import Pupil_Sync
    from surface_tracker import Surface_Tracker
    from log_display import Log_Display
    from annotations import Annotation_Capture
    from pupil_remote import Pupil_Remote
    from log_history import Log_History
    from game_controller import GameController

    logger.info('Application Version: %s'%version)
    logger.info('System Info: %s'%get_system_info())

    #UI Platform tweaks
    if platform.system() == 'Linux':
        scroll_factor = 10.0
        window_position_default = (0,0)
    elif platform.system() == 'Windows':
        scroll_factor = 1.0
        window_position_default = (8,31)
    else:
        scroll_factor = 1.0
        window_position_default = (0,0)



    #g_pool holds variables for this process
    g_pool = Global_Container()

    # make some constants avaiable
    g_pool.user_dir = user_dir
    g_pool.version = version
    g_pool.app = 'capture'
    g_pool.pupil_queue = pupil_queue
    g_pool.timebase = timebase
    # g_pool.launcher_pipe = launcher_pipe
    g_pool.eye_pipes = eye_pipes
    g_pool.eyes_are_alive = eyes_are_alive


    #manage plugins
    runtime_plugins = import_runtime_plugins(os.path.join(g_pool.user_dir,'plugins'))
    user_launchable_plugins = [GameController, Show_Calibration,Pupil_Remote,Pupil_Server,Pupil_Sync,Surface_Tracker,Annotation_Capture,Log_History]+runtime_plugins
    system_plugins  = [Log_Display,Display_Recent_Gaze,Recorder]
    plugin_by_index =  system_plugins+user_launchable_plugins+calibration_plugins+gaze_mapping_plugins
    name_by_index = [p.__name__ for p in plugin_by_index]
    plugin_by_name = dict(zip(name_by_index,plugin_by_index))
    default_plugins = [('Log_Display',{}),('Dummy_Gaze_Mapper',{}),('Display_Recent_Gaze',{}), ('Screen_Marker_Calibration',{}),('Recorder',{})]


    # Callback functions
    def on_resize(window,w, h):
        if not g_pool.iconified:
            g_pool.gui.update_window(w,h)
            g_pool.gui.collect_menus()
            graph.adjust_size(w,h)
            adjust_gl_view(w,h)
            for p in g_pool.plugins:
                p.on_window_resize(window,w,h)

    def on_iconify(window,iconified):
        g_pool.iconified = iconified

    def on_key(window, key, scancode, action, mods):
        g_pool.gui.update_key(key,scancode,action,mods)

    def on_char(window,char):
        g_pool.gui.update_char(char)

    def on_button(window,button, action, mods):
        g_pool.gui.update_button(button,action,mods)
        pos = glfw.glfwGetCursorPos(window)
        pos = normalize(pos,glfw.glfwGetWindowSize(main_window))
        pos = denormalize(pos,(frame.img.shape[1],frame.img.shape[0]) ) # Position in img pixels
        for p in g_pool.plugins:
            p.on_click(pos,button,action)

    def on_pos(window,x, y):
        hdpi_factor = float(glfw.glfwGetFramebufferSize(window)[0]/glfw.glfwGetWindowSize(window)[0])
        x,y = x*hdpi_factor,y*hdpi_factor
        g_pool.gui.update_mouse(x,y)

    def on_scroll(window,x,y):
        g_pool.gui.update_scroll(x,y*scroll_factor)


    tick = delta_t()
    def get_dt():
        return next(tick)

    # load session persistent settings
    session_settings = Persistent_Dict(os.path.join(g_pool.user_dir,'user_settings_world'))
    if session_settings.get("version",VersionFormat('0.0')) < g_pool.version:
        logger.info("Session setting are from older version of this app. I will not use those.")
        session_settings.clear()

    # Initialize capture
    cap = autoCreateCapture(cap_src, timebase=g_pool.timebase)
    default_settings = {'frame_size':(1280,720),'frame_rate':30}
    previous_settings = session_settings.get('capture_settings',None)
    if previous_settings and previous_settings['name'] == cap.name:
        cap.settings = previous_settings
    else:
        cap.settings = default_settings

    # Test capture
    try:
        frame = cap.get_frame()
    except CameraCaptureError:
        logger.error("Could not retrieve image from capture")
        cap.close()
        launcher_pipe.send("Exit")
        return



    g_pool.iconified = False
    g_pool.capture = cap
    g_pool.pupil_confidence_threshold = session_settings.get('pupil_confidence_threshold',.6)
    g_pool.detection_mapping_mode = session_settings.get('detection_mapping_mode','2d')
    g_pool.active_calibration_plugin = None


    audio.audio_mode = session_settings.get('audio_mode',audio.default_audio_mode)

    def open_plugin(plugin):
        if plugin ==  "Select to load":
            return
        g_pool.plugins.add(plugin)

    def set_scale(new_scale):
        g_pool.gui.scale = new_scale
        g_pool.gui.collect_menus()

    def launch_eye_process(eye_id,blocking=False):
        if eyes_are_alive[eye_id].value:
            logger.error("Eye%s process already running."%eye_id)
            return
        launcher_pipe.send(eye_id)
        eye_pipes[eye_id].send( ('Set_Detection_Mapping_Mode',g_pool.detection_mapping_mode) )

        if blocking:
            #wait for ready message from eye to sequentialize startup
            eye_pipes[eye_id].send('Ping')
            eye_pipes[eye_id].recv()

        logger.warning('Eye %s process started.'%eye_id)

    def stop_eye_process(eye_id,blocking=False):
        if eyes_are_alive[eye_id].value:
            eye_pipes[eye_id].send('Exit')
            if blocking:
                while eyes_are_alive[eye_id].value:
                    sleep(.1)

    def start_stop_eye(eye_id,make_alive):
        if make_alive:
            launch_eye_process(eye_id)
        else:
            stop_eye_process(eye_id)

    def set_detection_mapping_mode(new_mode):
        if new_mode == '2d':
            for p in g_pool.plugins:
                if "Vector_Gaze_Mapper" in p.class_name:
                    logger.warning("The gaze mapper is not supported in 2d mode. Please recalibrate.")
                    p.alive = False
            g_pool.plugins.clean()
        for alive, pipe in zip(g_pool.eyes_are_alive,g_pool.eye_pipes):
            if alive.value:
                pipe.send( ('Set_Detection_Mapping_Mode',new_mode) )
        g_pool.detection_mapping_mode = new_mode


    #window and gl setup
    glfw.glfwInit()
    width,height = session_settings.get('window_size',(frame.width, frame.height))
    main_window = glfw.glfwCreateWindow(width,height, "World")
    window_pos = session_settings.get('window_position',window_position_default)
    glfw.glfwSetWindowPos(main_window,window_pos[0],window_pos[1])
    glfw.glfwMakeContextCurrent(main_window)
    cygl.utils.init()
    g_pool.main_window = main_window



    #setup GUI
    g_pool.gui = ui.UI()
    g_pool.gui.scale = session_settings.get('gui_scale',1)
    g_pool.sidebar = ui.Scrolling_Menu("Settings",pos=(-350,0),size=(0,0),header_pos='left')
    general_settings = ui.Growing_Menu('General')
    general_settings.append(ui.Slider('scale',g_pool.gui, setter=set_scale,step = .05,min=1.,max=2.5,label='Interface size'))
    general_settings.append(ui.Button('Reset window size',lambda: glfw.glfwSetWindowSize(main_window,frame.width,frame.height)) )
    general_settings.append(ui.Selector('audio_mode',audio,selection=audio.audio_modes))
    general_settings.append(ui.Selector('detection_mapping_mode',g_pool,label='detection & mapping mode',setter=set_detection_mapping_mode,selection=['2d','3d']))
    general_settings.append(ui.Switch('eye0_process',label='Detect eye 0',setter=lambda alive: start_stop_eye(0,alive),getter=lambda: eyes_are_alive[0].value ))
    general_settings.append(ui.Switch('eye1_process',label='Detect eye 1',setter=lambda alive: start_stop_eye(1,alive),getter=lambda: eyes_are_alive[1].value ))
    general_settings.append(ui.Selector('Open plugin', selection = user_launchable_plugins,
                                        labels = [p.__name__.replace('_',' ') for p in user_launchable_plugins],
                                        setter= open_plugin, getter=lambda: "Select to load"))
    general_settings.append(ui.Slider('pupil_confidence_threshold', g_pool,step = .01,min=0.,max=1.,label='Minimum pupil confidence'))
    general_settings.append(ui.Info_Text('Capture Version: %s'%g_pool.version))
    g_pool.sidebar.append(general_settings)

    g_pool.calibration_menu = ui.Growing_Menu('Calibration')
    g_pool.sidebar.append(g_pool.calibration_menu)
    g_pool.gui.append(g_pool.sidebar)
    g_pool.quickbar = ui.Stretching_Menu('Quick Bar',(0,100),(120,-100))
    g_pool.gui.append(g_pool.quickbar)
    g_pool.capture.init_gui(g_pool.sidebar)

    #plugins that are loaded based on user settings from previous session
    g_pool.notifications = []
    g_pool.delayed_notifications = {}
    g_pool.plugins = Plugin_List(g_pool,plugin_by_name,session_settings.get('loaded_plugins',default_plugins))

    #We add the calibration menu selector, after a calibration has been added:
    g_pool.calibration_menu.insert(0,ui.Selector('active_calibration_plugin',getter=lambda: g_pool.active_calibration_plugin.__class__, selection = calibration_plugins,
                                        labels = [p.__name__.replace('_',' ') for p in calibration_plugins],
                                        setter= open_plugin,label='Method'))

    # Register callbacks main_window
    glfw.glfwSetFramebufferSizeCallback(main_window,on_resize)
    glfw.glfwSetWindowIconifyCallback(main_window,on_iconify)
    glfw.glfwSetKeyCallback(main_window,on_key)
    glfw.glfwSetCharCallback(main_window,on_char)
    glfw.glfwSetMouseButtonCallback(main_window,on_button)
    glfw.glfwSetCursorPosCallback(main_window,on_pos)
    glfw.glfwSetScrollCallback(main_window,on_scroll)

    # gl_state settings
    basic_gl_setup()
    g_pool.image_tex = Named_Texture()
    g_pool.image_tex.update_from_frame(frame)
    # refresh speed settings
    glfw.glfwSwapInterval(0)

    #trigger setup of window and gl sizes
    on_resize(main_window, *glfw.glfwGetFramebufferSize(main_window))

    #now the we have  aproper window we can load the last gui configuration
    g_pool.gui.configuration = session_settings.get('ui_config',{})



    #set up performace graphs:
    pid = os.getpid()
    ps = psutil.Process(pid)
    ts = frame.timestamp

    cpu_graph = graph.Bar_Graph()
    cpu_graph.pos = (20,130)
    cpu_graph.update_fn = ps.cpu_percent
    cpu_graph.update_rate = 5
    cpu_graph.label = 'CPU %0.1f'

    fps_graph = graph.Bar_Graph()
    fps_graph.pos = (140,130)
    fps_graph.update_rate = 5
    fps_graph.label = "%0.0f FPS"

    pupil_graph = graph.Bar_Graph(max_val=1.0)
    pupil_graph.pos = (260,130)
    pupil_graph.update_rate = 5
    pupil_graph.label = "Confidence: %0.2f"


    if session_settings.get('eye1_process_alive',False):
        launch_eye_process(1,blocking=True)
    if session_settings.get('eye0_process_alive',True):
        launch_eye_process(0,blocking=False)

    # Event loop
    while not glfw.glfwWindowShouldClose(main_window):

        # Get an image from the grabber
        try:
            frame = g_pool.capture.get_frame()
        except CameraCaptureError:
            logger.error("Capture from camera failed. Starting Fake Capture.")
            settings = g_pool.capture.settings
            g_pool.capture.close()
            g_pool.capture = autoCreateCapture(None, timebase=g_pool.timebase)
            g_pool.capture.init_gui(g_pool.sidebar)
            g_pool.capture.settings = settings
            g_pool.notifications.append({'subject':'should_stop_recording'})
            continue
        except EndofVideoFileError:
            logger.warning("Video file is done. Stopping")
            break

        #update performace graphs
        t = frame.timestamp
        dt,ts = t-ts,t
        try:
            fps_graph.add(1./dt)
        except ZeroDivisionError:
            pass
        cpu_graph.update()


        #a dictionary that allows plugins to post and read events
        events = {}

        #report time between now and the last loop interation
        events['dt'] = get_dt()

        #receive and map pupil positions
        recent_pupil_positions = []
        while not g_pool.pupil_queue.empty():
            p = g_pool.pupil_queue.get()
            recent_pupil_positions.append(p)
            pupil_graph.add(p['confidence'])
        events['pupil_positions'] = recent_pupil_positions


        # publish delayed notifiactions when their time has come.
        for n in g_pool.delayed_notifications.values():
            if n['_notify_time_'] < time():
                del n['_notify_time_']
                del g_pool.delayed_notifications[n['subject']]
                g_pool.notifications.append(n)

        # notify each plugin if there are new notifications:
        while g_pool.notifications:
            n = g_pool.notifications.pop(0)
            for p in g_pool.plugins:
                p.on_notify(n)

        # allow each Plugin to do its work.
        for p in g_pool.plugins:
            p.update(frame,events)

        #check if a plugin need to be destroyed
        g_pool.plugins.clean()

        # render camera image
        glfw.glfwMakeContextCurrent(main_window)
        if g_pool.iconified:
            pass
        else:
            g_pool.image_tex.update_from_frame(frame)

        make_coord_system_norm_based()
        g_pool.image_tex.draw()
        make_coord_system_pixel_based((frame.height,frame.width,3))
        # render visual feedback from loaded plugins
        for p in g_pool.plugins:
            p.gl_display()

        if not g_pool.iconified:
            graph.push_view()
            fps_graph.draw()
            cpu_graph.draw()
            pupil_graph.draw()
            graph.pop_view()
            g_pool.gui.update()
            glfw.glfwSwapBuffers(main_window)
        glfw.glfwPollEvents()

    glfw.glfwRestoreWindow(main_window) #need to do this for windows os
    session_settings['loaded_plugins'] = g_pool.plugins.get_initializers()
    session_settings['pupil_confidence_threshold'] = g_pool.pupil_confidence_threshold
    session_settings['gui_scale'] = g_pool.gui.scale
    session_settings['ui_config'] = g_pool.gui.configuration
    session_settings['capture_settings'] = g_pool.capture.settings
    session_settings['window_size'] = glfw.glfwGetWindowSize(main_window)
    session_settings['window_position'] = glfw.glfwGetWindowPos(main_window)
    session_settings['version'] = g_pool.version
    session_settings['eye0_process_alive'] = eyes_are_alive[0].value
    session_settings['eye1_process_alive'] = eyes_are_alive[1].value
    session_settings['detection_mapping_mode'] = g_pool.detection_mapping_mode
    session_settings['audio_mode'] = audio.audio_mode
    session_settings.close()

    # de-init all running plugins
    for p in g_pool.plugins:
        p.alive = False
    g_pool.plugins.clean()
    g_pool.gui.terminate()
    glfw.glfwDestroyWindow(main_window)
    glfw.glfwTerminate()
    g_pool.capture.close()

    #shut down eye processes:
    stop_eye_process(0,blocking = True)
    stop_eye_process(1,blocking = True)

    #shut down laucher
    launcher_pipe.send("Exit")

    logger.info("Process Shutting down.")
Ejemplo n.º 9
0
            update_named_texture(g_pool.image_tex,frame.gray)

        make_coord_system_norm_based()
        draw_named_texture(g_pool.image_tex)
        make_coord_system_pixel_based((frame.height,frame.width,3))

        # render visual feedback from loaded plugins
        for p in g_pool.plugins:
            p.gl_display()

        graph.push_view()
        # fps_graph.draw()
        # cpu_graph.draw()
        # pupil_graph.draw()
        # pupil_dia_graph.draw()
        graph.pop_view()
        g_pool.gui.update()
        glfwSwapBuffers(main_window)
        glfwPollEvents()


    session_settings['loaded_plugins'] = g_pool.plugins.get_initializers()
    session_settings['pupil_confidence_threshold'] = g_pool.pupil_confidence_threshold
    session_settings['gui_scale'] = g_pool.gui.scale
    session_settings['side_bar_config'] = g_pool.sidebar.configuration
    session_settings['capture_menu_config'] = g_pool.capture.menu.configuration
    session_settings['general_menu_config'] = general_settings.configuration
    session_settings['advanced_menu_config'] = advanced_settings.configuration
    session_settings['calibration_menu_config']=g_pool.calibration_menu.configuration
    session_settings['window_size'] = glfwGetWindowSize(main_window)
    session_settings['window_position'] = glfwGetWindowPos(main_window)
Ejemplo n.º 10
0
def session(rec_dir):
    system_plugins = [Log_Display, Seek_Bar, Trim_Marks]
    vis_plugins = sorted([Vis_Circle, Vis_Fixation, Vis_Polyline, Vis_Light_Points, Vis_Cross,
                          Vis_Watermark, Vis_Eye_Video_Overlay, Vis_Scan_Path], key=lambda x: x.__name__)

    analysis_plugins = sorted([Gaze_Position_2D_Fixation_Detector, Pupil_Angle_3D_Fixation_Detector,
                               Manual_Gaze_Correction, Video_Export_Launcher, Offline_Surface_Tracker,
                               Raw_Data_Exporter, Batch_Exporter, Annotation_Player], key=lambda x: x.__name__)

    other_plugins = sorted([Show_Calibration, Log_History, Marker_Auto_Trim_Marks], key=lambda x: x.__name__)
    user_plugins = sorted(import_runtime_plugins(os.path.join(user_dir, 'plugins')), key=lambda x: x.__name__)

    user_launchable_plugins = vis_plugins + analysis_plugins + other_plugins + user_plugins
    available_plugins = system_plugins + user_launchable_plugins
    name_by_index = [p.__name__ for p in available_plugins]
    plugin_by_name = dict(zip(name_by_index, available_plugins))

    # Callback functions
    def on_resize(window, w, h):
        g_pool.gui.update_window(w, h)
        g_pool.gui.collect_menus()
        graph.adjust_size(w, h)
        gl_utils.adjust_gl_view(w, h)
        for p in g_pool.plugins:
            p.on_window_resize(window, w, h)

    def on_key(window, key, scancode, action, mods):
        g_pool.gui.update_key(key, scancode, action, mods)

    def on_char(window, char):
        g_pool.gui.update_char(char)

    def on_button(window, button, action, mods):
        g_pool.gui.update_button(button, action, mods)
        pos = glfwGetCursorPos(window)
        pos = normalize(pos, glfwGetWindowSize(window))
        pos = denormalize(pos, (frame.img.shape[1], frame.img.shape[0]))  # Position in img pixels
        for p in g_pool.plugins:
            p.on_click(pos, button, action)

    def on_pos(window, x, y):
        hdpi_factor = float(glfwGetFramebufferSize(window)[0]/glfwGetWindowSize(window)[0])
        g_pool.gui.update_mouse(x*hdpi_factor, y*hdpi_factor)

    def on_scroll(window, x, y):
        g_pool.gui.update_scroll(x, y*scroll_factor)

    def on_drop(window, count, paths):
        for x in range(count):
            new_rec_dir = paths[x].decode('utf-8')
            if is_pupil_rec_dir(new_rec_dir):
                logger.debug("Starting new session with '{}'".format(new_rec_dir))
                global rec_dir
                rec_dir = new_rec_dir
                glfwSetWindowShouldClose(window, True)
            else:
                logger.error("'{}' is not a valid pupil recording".format(new_rec_dir))

    tick = delta_t()

    def get_dt():
        return next(tick)

    update_recording_to_recent(rec_dir)

    video_path = [f for f in glob(os.path.join(rec_dir, "world.*")) if f[-3:] in ('mp4', 'mkv', 'avi')][0]
    timestamps_path = os.path.join(rec_dir, "world_timestamps.npy")
    pupil_data_path = os.path.join(rec_dir, "pupil_data")

    meta_info = load_meta_info(rec_dir)
    rec_version = read_rec_version(meta_info)
    app_version = get_version(version_file)

    # log info about Pupil Platform and Platform in player.log
    logger.info('Application Version: {}'.format(app_version))
    logger.info('System Info: {}'.format(get_system_info()))

    timestamps = np.load(timestamps_path)

    # create container for globally scoped vars
    g_pool = Global_Container()
    g_pool.app = 'player'

    # Initialize capture
    cap = File_Source(g_pool, video_path, timestamps=list(timestamps))

    # load session persistent settings
    session_settings = Persistent_Dict(os.path.join(user_dir, "user_settings"))
    if session_settings.get("version", VersionFormat('0.0')) < get_version(version_file):
        logger.info("Session setting are from older version of this app. I will not use those.")
        session_settings.clear()

    width, height = session_settings.get('window_size', cap.frame_size)
    window_pos = session_settings.get('window_position', window_position_default)
    main_window = glfwCreateWindow(width, height, "Pupil Player: "+meta_info["Recording Name"]+" - "
                                   + rec_dir.split(os.path.sep)[-1], None, None)
    glfwSetWindowPos(main_window, window_pos[0], window_pos[1])
    glfwMakeContextCurrent(main_window)
    cygl.utils.init()

    # load pupil_positions, gaze_positions
    pupil_data = load_object(pupil_data_path)
    pupil_list = pupil_data['pupil_positions']
    gaze_list = pupil_data['gaze_positions']

    g_pool.binocular = meta_info.get('Eye Mode', 'monocular') == 'binocular'
    g_pool.version = app_version
    g_pool.capture = cap
    g_pool.timestamps = timestamps
    g_pool.play = False
    g_pool.new_seek = True
    g_pool.user_dir = user_dir
    g_pool.rec_dir = rec_dir
    g_pool.rec_version = rec_version
    g_pool.meta_info = meta_info
    g_pool.min_data_confidence = session_settings.get('min_data_confidence', 0.6)
    g_pool.pupil_positions_by_frame = correlate_data(pupil_list, g_pool.timestamps)
    g_pool.gaze_positions_by_frame = correlate_data(gaze_list, g_pool.timestamps)
    g_pool.fixations_by_frame = [[] for x in g_pool.timestamps]  # populated by the fixation detector plugin

    def next_frame(_):
        try:
            cap.seek_to_frame(cap.get_frame_index())
        except(FileSeekError):
            logger.warning("Could not seek to next frame.")
        else:
            g_pool.new_seek = True

    def prev_frame(_):
        try:
            cap.seek_to_frame(cap.get_frame_index()-2)
        except(FileSeekError):
            logger.warning("Could not seek to previous frame.")
        else:
            g_pool.new_seek = True

    def toggle_play(new_state):
        if cap.get_frame_index() >= cap.get_frame_count()-5:
            cap.seek_to_frame(1)  # avoid pause set by hitting trimmark pause.
            logger.warning("End of video - restart at beginning.")
        g_pool.play = new_state

    def set_scale(new_scale):
        g_pool.gui.scale = new_scale
        g_pool.gui.collect_menus()

    def set_data_confidence(new_confidence):
        g_pool.min_data_confidence = new_confidence
        notification = {'subject': 'min_data_confidence_changed'}
        notification['_notify_time_'] = time()+.8
        g_pool.delayed_notifications[notification['subject']] = notification

    def open_plugin(plugin):
        if plugin == "Select to load":
            return
        g_pool.plugins.add(plugin)

    def purge_plugins():
        for p in g_pool.plugins:
            if p.__class__ in user_launchable_plugins:
                p.alive = False
        g_pool.plugins.clean()

    def do_export(_):
        export_range = slice(g_pool.trim_marks.in_mark, g_pool.trim_marks.out_mark)
        export_dir = os.path.join(g_pool.rec_dir, 'exports', '{}-{}'.format(export_range.start, export_range.stop))
        try:
            os.makedirs(export_dir)
        except OSError as e:
            if e.errno != errno.EEXIST:
                logger.error("Could not create export dir")
                raise e
            else:
                overwrite_warning = "Previous export for range [{}-{}] already exsits - overwriting."
                logger.warning(overwrite_warning.format(export_range.start, export_range.stop))
        else:
            logger.info('Created export dir at "{}"'.format(export_dir))

        notification = {'subject': 'should_export', 'range': export_range, 'export_dir': export_dir}
        g_pool.notifications.append(notification)

    g_pool.gui = ui.UI()
    g_pool.gui.scale = session_settings.get('gui_scale', 1)
    g_pool.main_menu = ui.Scrolling_Menu("Settings", pos=(-350, 20), size=(300, 500))
    g_pool.main_menu.append(ui.Button("Close Pupil Player", lambda: glfwSetWindowShouldClose(main_window, True)))
    g_pool.main_menu.append(ui.Slider('scale', g_pool.gui, setter=set_scale, step=.05, min=0.75, max=2.5, label='Interface Size'))
    g_pool.main_menu.append(ui.Info_Text('Player Version: {}'.format(g_pool.version)))
    g_pool.main_menu.append(ui.Info_Text('Recording Version: {}'.format(rec_version)))
    g_pool.main_menu.append(ui.Slider('min_data_confidence', g_pool, setter=set_data_confidence,
                                      step=.05, min=0.0, max=1.0, label='Confidence threshold'))

    selector_label = "Select to load"

    vis_labels = ["   " + p.__name__.replace('_', ' ') for p in vis_plugins]
    analysis_labels = ["   " + p.__name__.replace('_', ' ') for p in analysis_plugins]
    other_labels = ["   " + p.__name__.replace('_', ' ') for p in other_plugins]
    user_labels = ["   " + p.__name__.replace('_', ' ') for p in user_plugins]

    plugins = ([selector_label, selector_label] + vis_plugins + [selector_label] + analysis_plugins + [selector_label]
               + other_plugins + [selector_label] + user_plugins)
    labels = ([selector_label, "Visualization"] + vis_labels + ["Analysis"] + analysis_labels + ["Other"]
              + other_labels + ["User added"] + user_labels)

    g_pool.main_menu.append(ui.Selector('Open plugin:',
                                        selection=plugins,
                                        labels=labels,
                                        setter=open_plugin,
                                        getter=lambda: selector_label))

    g_pool.main_menu.append(ui.Button('Close all plugins', purge_plugins))
    g_pool.main_menu.append(ui.Button('Reset window size',
                                      lambda: glfwSetWindowSize(main_window, cap.frame_size[0], cap.frame_size[1])))
    g_pool.quickbar = ui.Stretching_Menu('Quick Bar', (0, 100), (120, -100))
    g_pool.play_button = ui.Thumb('play',
                                  g_pool,
                                  label=chr(0xf04b),
                                  setter=toggle_play,
                                  hotkey=GLFW_KEY_SPACE,
                                  label_font='fontawesome',
                                  label_offset_x=5,
                                  label_offset_y=0,
                                  label_offset_size=-24)
    g_pool.play_button.on_color[:] = (0, 1., .0, .8)
    g_pool.forward_button = ui.Thumb('forward',
                                     label=chr(0xf04e),
                                     getter=lambda: False,
                                     setter=next_frame,
                                     hotkey=GLFW_KEY_RIGHT,
                                     label_font='fontawesome',
                                     label_offset_x=5,
                                     label_offset_y=0,
                                     label_offset_size=-24)
    g_pool.backward_button = ui.Thumb('backward',
                                      label=chr(0xf04a),
                                      getter=lambda: False,
                                      setter=prev_frame,
                                      hotkey=GLFW_KEY_LEFT,
                                      label_font='fontawesome',
                                      label_offset_x=-5,
                                      label_offset_y=0,
                                      label_offset_size=-24)
    g_pool.export_button = ui.Thumb('export',
                                    label=chr(0xf063),
                                    getter=lambda: False,
                                    setter=do_export,
                                    hotkey='e',
                                    label_font='fontawesome',
                                    label_offset_x=0,
                                    label_offset_y=2,
                                    label_offset_size=-24)
    g_pool.quickbar.extend([g_pool.play_button, g_pool.forward_button, g_pool.backward_button, g_pool.export_button])
    g_pool.gui.append(g_pool.quickbar)
    g_pool.gui.append(g_pool.main_menu)

    # we always load these plugins
    system_plugins = [('Trim_Marks', {}), ('Seek_Bar', {})]
    default_plugins = [('Log_Display', {}), ('Vis_Scan_Path', {}), ('Vis_Polyline', {}), ('Vis_Circle', {}), ('Video_Export_Launcher', {})]
    previous_plugins = session_settings.get('loaded_plugins', default_plugins)
    g_pool.notifications = []
    g_pool.delayed_notifications = {}
    g_pool.plugins = Plugin_List(g_pool, plugin_by_name, system_plugins+previous_plugins)


    # Register callbacks main_window
    glfwSetFramebufferSizeCallback(main_window, on_resize)
    glfwSetKeyCallback(main_window, on_key)
    glfwSetCharCallback(main_window, on_char)
    glfwSetMouseButtonCallback(main_window, on_button)
    glfwSetCursorPosCallback(main_window, on_pos)
    glfwSetScrollCallback(main_window, on_scroll)
    glfwSetDropCallback(main_window, on_drop)
    # trigger on_resize
    on_resize(main_window, *glfwGetFramebufferSize(main_window))

    g_pool.gui.configuration = session_settings.get('ui_config', {})

    # gl_state settings
    gl_utils.basic_gl_setup()
    g_pool.image_tex = Named_Texture()

    # set up performace graphs:
    pid = os.getpid()
    ps = psutil.Process(pid)
    ts = None

    cpu_graph = graph.Bar_Graph()
    cpu_graph.pos = (20, 110)
    cpu_graph.update_fn = ps.cpu_percent
    cpu_graph.update_rate = 5
    cpu_graph.label = 'CPU %0.1f'

    fps_graph = graph.Bar_Graph()
    fps_graph.pos = (140, 110)
    fps_graph.update_rate = 5
    fps_graph.label = "%0.0f REC FPS"

    pupil_graph = graph.Bar_Graph(max_val=1.0)
    pupil_graph.pos = (260, 110)
    pupil_graph.update_rate = 5
    pupil_graph.label = "Confidence: %0.2f"

    while not glfwWindowShouldClose(main_window):
        # grab new frame
        if g_pool.play or g_pool.new_seek:
            g_pool.new_seek = False
            try:
                new_frame = cap.get_frame_nowait()
            except EndofVideoFileError:
                # end of video logic: pause at last frame.
                g_pool.play = False
                logger.warning("end of video")
            update_graph = True
        else:
            update_graph = False

        frame = new_frame.copy()
        events = {}
        # report time between now and the last loop interation
        events['dt'] = get_dt()
        # new positons we make a deepcopy just like the image is a copy.
        events['gaze_positions'] = deepcopy(g_pool.gaze_positions_by_frame[frame.index])
        events['pupil_positions'] = deepcopy(g_pool.pupil_positions_by_frame[frame.index])

        if update_graph:
            # update performace graphs
            for p in events['pupil_positions']:
                pupil_graph.add(p['confidence'])

            t = new_frame.timestamp
            if ts and ts != t:
                dt, ts = t-ts, t
                fps_graph.add(1./dt)
            else:
               ts = new_frame.timestamp

            g_pool.play_button.status_text = str(frame.index)
        # always update the CPU graph
        cpu_graph.update()

        # publish delayed notifiactions when their time has come.
        for n in list(g_pool.delayed_notifications.values()):
            if n['_notify_time_'] < time():
                del n['_notify_time_']
                del g_pool.delayed_notifications[n['subject']]
                g_pool.notifications.append(n)

        # notify each plugin if there are new notifactions:
        while g_pool.notifications:
            n = g_pool.notifications.pop(0)
            for p in g_pool.plugins:
                p.on_notify(n)

        # allow each Plugin to do its work.
        for p in g_pool.plugins:
            p.update(frame, events)

        # check if a plugin need to be destroyed
        g_pool.plugins.clean()

        # render camera image
        glfwMakeContextCurrent(main_window)
        gl_utils.make_coord_system_norm_based()
        g_pool.image_tex.update_from_frame(frame)
        g_pool.image_tex.draw()
        gl_utils.make_coord_system_pixel_based(frame.img.shape)
        # render visual feedback from loaded plugins
        for p in g_pool.plugins:
            p.gl_display()

        graph.push_view()
        fps_graph.draw()
        cpu_graph.draw()
        pupil_graph.draw()
        graph.pop_view()
        g_pool.gui.update()

        # present frames at appropriate speed
        cap.wait(frame)

        glfwSwapBuffers(main_window)
        glfwPollEvents()

    session_settings['loaded_plugins'] = g_pool.plugins.get_initializers()
    session_settings['min_data_confidence'] = g_pool.min_data_confidence
    session_settings['gui_scale'] = g_pool.gui.scale
    session_settings['ui_config'] = g_pool.gui.configuration
    session_settings['window_size'] = glfwGetWindowSize(main_window)
    session_settings['window_position'] = glfwGetWindowPos(main_window)
    session_settings['version'] = g_pool.version
    session_settings.close()

    # de-init all running plugins
    for p in g_pool.plugins:
        p.alive = False
    g_pool.plugins.clean()

    cap.cleanup()
    g_pool.gui.terminate()
    glfwDestroyWindow(main_window)
Ejemplo n.º 11
0
def world(timebase,eyes_are_alive,ipc_pub_url,ipc_sub_url,ipc_push_url,user_dir,version,cap_src):
    """Reads world video and runs plugins.

    Creates a window, gl context.
    Grabs images from a capture.
    Maps pupil to gaze data
    Can run various plug-ins.

    Reacts to notifications:
        ``set_detection_mapping_mode``
        ``eye_process.started``
        ``start_plugin``

    Emits notifications:
        ``eye_process.should_start``
        ``eye_process.should_stop``
        ``set_detection_mapping_mode``
        ``world_process.started``
        ``world_process.stopped``
        ``recording.should_stop``: Emits on camera failure
        ``launcher_process.should_stop``

    Emits data:
        ``gaze``: Gaze data from current gaze mapping plugin.``
        ``*``: any other plugin generated data in the events that it not [dt,pupil,gaze].
    """

    # We defer the imports because of multiprocessing.
    # Otherwise the world process each process also loads the other imports.
    # This is not harmful but unnecessary.

    #general imports
    from time import time,sleep
    import numpy as np
    import logging
    import zmq
    import zmq_tools
    #zmq ipc setup
    zmq_ctx = zmq.Context()
    ipc_pub = zmq_tools.Msg_Dispatcher(zmq_ctx,ipc_push_url)
    gaze_pub = zmq_tools.Msg_Streamer(zmq_ctx,ipc_pub_url)
    pupil_sub = zmq_tools.Msg_Receiver(zmq_ctx,ipc_sub_url,topics=('pupil',))
    notify_sub = zmq_tools.Msg_Receiver(zmq_ctx,ipc_sub_url,topics=('notify',))

    #log setup
    logging.getLogger("OpenGL").setLevel(logging.ERROR)
    logger = logging.getLogger()
    logger.handlers = []
    logger.addHandler(zmq_tools.ZMQ_handler(zmq_ctx,ipc_push_url))
    # create logger for the context of this function
    logger = logging.getLogger(__name__)

    #display
    import glfw
    from pyglui import ui,graph,cygl
    from pyglui.cygl.utils import Named_Texture
    from gl_utils import basic_gl_setup,adjust_gl_view, clear_gl_screen,make_coord_system_pixel_based,make_coord_system_norm_based,glFlush

    #check versions for our own depedencies as they are fast-changing
    from pyglui import __version__ as pyglui_version
    assert pyglui_version >= '0.8'

    #monitoring
    import psutil

    # helpers/utils
    from file_methods import Persistent_Dict
    from methods import normalize, denormalize, delta_t, get_system_info
    from video_capture import autoCreateCapture, FileCaptureError, EndofVideoFileError, CameraCaptureError
    from version_utils import VersionFormat
    import audio
    from uvc import get_time_monotonic


    #trigger pupil detector cpp build:
    import pupil_detectors
    del pupil_detectors

    # Plug-ins
    from plugin import Plugin,Plugin_List,import_runtime_plugins
    from calibration_routines import calibration_plugins, gaze_mapping_plugins
    from recorder import Recorder
    from show_calibration import Show_Calibration
    from display_recent_gaze import Display_Recent_Gaze
    from pupil_sync import Pupil_Sync
    from pupil_remote import Pupil_Remote
    from surface_tracker import Surface_Tracker
    from log_display import Log_Display
    from annotations import Annotation_Capture
    from log_history import Log_History

    logger.info('Application Version: %s'%version)
    logger.info('System Info: %s'%get_system_info())

    #UI Platform tweaks
    if platform.system() == 'Linux':
        scroll_factor = 10.0
        window_position_default = (0,0)
    elif platform.system() == 'Windows':
        scroll_factor = 1.0
        window_position_default = (8,31)
    else:
        scroll_factor = 1.0
        window_position_default = (0,0)


    #g_pool holds variables for this process they are accesible to all plugins
    g_pool = Global_Container()
    g_pool.app = 'capture'
    g_pool.user_dir = user_dir
    g_pool.version = version
    g_pool.timebase = timebase
    g_pool.zmq_ctx = zmq_ctx
    g_pool.ipc_pub = ipc_pub
    g_pool.ipc_pub_url = ipc_pub_url
    g_pool.ipc_sub_url = ipc_sub_url
    g_pool.ipc_push_url = ipc_push_url
    g_pool.eyes_are_alive = eyes_are_alive
    def get_timestamp():
        return get_time_monotonic()-g_pool.timebase.value
    g_pool.get_timestamp = get_timestamp
    g_pool.get_now = get_time_monotonic


    #manage plugins
    runtime_plugins = import_runtime_plugins(os.path.join(g_pool.user_dir,'plugins'))
    user_launchable_plugins = [Show_Calibration,Pupil_Remote,Pupil_Sync,Surface_Tracker,Annotation_Capture,Log_History]+runtime_plugins
    system_plugins  = [Log_Display,Display_Recent_Gaze,Recorder]
    plugin_by_index =  system_plugins+user_launchable_plugins+calibration_plugins+gaze_mapping_plugins
    name_by_index = [p.__name__ for p in plugin_by_index]
    plugin_by_name = dict(zip(name_by_index,plugin_by_index))
    default_plugins = [('Log_Display',{}),('Dummy_Gaze_Mapper',{}),('Display_Recent_Gaze',{}), ('Screen_Marker_Calibration',{}),('Recorder',{}),('Pupil_Remote',{})]


    # Callback functions
    def on_resize(window,w, h):
        if not g_pool.iconified:
            g_pool.gui.update_window(w,h)
            g_pool.gui.collect_menus()
            graph.adjust_size(w,h)
            adjust_gl_view(w,h)
            for p in g_pool.plugins:
                p.on_window_resize(window,w,h)

    def on_iconify(window,iconified):
        g_pool.iconified = iconified

    def on_key(window, key, scancode, action, mods):
        g_pool.gui.update_key(key,scancode,action,mods)

    def on_char(window,char):
        g_pool.gui.update_char(char)

    def on_button(window,button, action, mods):
        g_pool.gui.update_button(button,action,mods)
        pos = glfw.glfwGetCursorPos(window)
        pos = normalize(pos,glfw.glfwGetWindowSize(main_window))
        pos = denormalize(pos,(frame.img.shape[1],frame.img.shape[0]) ) # Position in img pixels
        for p in g_pool.plugins:
            p.on_click(pos,button,action)

    def on_pos(window,x, y):
        hdpi_factor = float(glfw.glfwGetFramebufferSize(window)[0]/glfw.glfwGetWindowSize(window)[0])
        x,y = x*hdpi_factor,y*hdpi_factor
        g_pool.gui.update_mouse(x,y)

    def on_scroll(window,x,y):
        g_pool.gui.update_scroll(x,y*scroll_factor)


    tick = delta_t()
    def get_dt():
        return next(tick)

    # load session persistent settings
    session_settings = Persistent_Dict(os.path.join(g_pool.user_dir,'user_settings_world'))
    if session_settings.get("version",VersionFormat('0.0')) < g_pool.version:
        logger.info("Session setting are from older version of this app. I will not use those.")
        session_settings.clear()

    # Initialize capture
    cap = autoCreateCapture(cap_src, timebase=g_pool.timebase)
    default_settings = {'frame_size':(1280,720),'frame_rate':30}
    previous_settings = session_settings.get('capture_settings',None)
    if previous_settings and previous_settings['name'] == cap.name:
        cap.settings = previous_settings
    else:
        cap.settings = default_settings


    g_pool.iconified = False
    g_pool.capture = cap
    g_pool.detection_mapping_mode = session_settings.get('detection_mapping_mode','2d')
    g_pool.active_calibration_plugin = None
    g_pool.active_gaze_mapping_plugin = None

    audio.audio_mode = session_settings.get('audio_mode',audio.default_audio_mode)

    def open_plugin(plugin):
        if plugin ==  "Select to load":
            return
        g_pool.plugins.add(plugin)

    def set_scale(new_scale):
        g_pool.gui.scale = new_scale
        g_pool.gui.collect_menus()

    def launch_eye_process(eye_id,delay=0):
        n = {'subject':'eye_process.should_start.%s'%eye_id,'eye_id':eye_id,'delay':delay}
        ipc_pub.notify(n)

    def stop_eye_process(eye_id):
        n = {'subject':'eye_process.should_stop','eye_id':eye_id}
        ipc_pub.notify(n)

    def start_stop_eye(eye_id,make_alive):
        if make_alive:
            launch_eye_process(eye_id)
        else:
            stop_eye_process(eye_id)

    def set_detection_mapping_mode(new_mode):
        n = {'subject':'set_detection_mapping_mode','mode':new_mode}
        ipc_pub.notify(n)

    def handle_notifications(n):
        subject = n['subject']
        if subject == 'set_detection_mapping_mode':
            if n['mode'] == '2d':
                if "Vector_Gaze_Mapper" in g_pool.active_gaze_mapping_plugin.class_name:
                    logger.warning("The gaze mapper is not supported in 2d mode. Please recalibrate.")
                    g_pool.plugins.add(plugin_by_name['Dummy_Gaze_Mapper'])
            g_pool.detection_mapping_mode = n['mode']
        elif subject == 'start_plugin':
            g_pool.plugins.add(plugin_by_name[n['name']],args=n.get('args',{}) )
        elif subject == 'eye_process.started':
            n = {'subject':'set_detection_mapping_mode','mode':g_pool.detection_mapping_mode}
            ipc_pub.notify(n)
        elif subject.startswith('meta.should_doc'):
            ipc_pub.notify({
                'subject':'meta.doc',
                'actor':g_pool.app,
                'doc':world.__doc__})
            for p in g_pool.plugins:
                if p.on_notify.__doc__ and p.__class__.on_notify != Plugin.on_notify:
                    ipc_pub.notify({
                        'subject':'meta.doc',
                        'actor': p.class_name,
                        'doc':p.on_notify.__doc__})

    #window and gl setup
    glfw.glfwInit()
    width,height = session_settings.get('window_size',cap.frame_size)
    main_window = glfw.glfwCreateWindow(width,height, "World")
    window_pos = session_settings.get('window_position',window_position_default)
    glfw.glfwSetWindowPos(main_window,window_pos[0],window_pos[1])
    glfw.glfwMakeContextCurrent(main_window)
    cygl.utils.init()
    g_pool.main_window = main_window



    #setup GUI
    g_pool.gui = ui.UI()
    g_pool.gui.scale = session_settings.get('gui_scale',1)
    g_pool.sidebar = ui.Scrolling_Menu("Settings",pos=(-350,0),size=(0,0),header_pos='left')
    general_settings = ui.Growing_Menu('General')
    general_settings.append(ui.Slider('scale',g_pool.gui, setter=set_scale,step = .05,min=1.,max=2.5,label='Interface size'))
    general_settings.append(ui.Button('Reset window size',lambda: glfw.glfwSetWindowSize(main_window,frame.width,frame.height)) )
    general_settings.append(ui.Selector('audio_mode',audio,selection=audio.audio_modes))
    general_settings.append(ui.Selector('detection_mapping_mode',g_pool,label='detection & mapping mode',setter=set_detection_mapping_mode,selection=['2d','3d']))
    general_settings.append(ui.Switch('eye0_process',label='Detect eye 0',setter=lambda alive: start_stop_eye(0,alive),getter=lambda: eyes_are_alive[0].value ))
    general_settings.append(ui.Switch('eye1_process',label='Detect eye 1',setter=lambda alive: start_stop_eye(1,alive),getter=lambda: eyes_are_alive[1].value ))
    general_settings.append(ui.Selector('Open plugin', selection = user_launchable_plugins,
                                        labels = [p.__name__.replace('_',' ') for p in user_launchable_plugins],
                                        setter= open_plugin, getter=lambda: "Select to load"))
    general_settings.append(ui.Info_Text('Capture Version: %s'%g_pool.version))
    g_pool.sidebar.append(general_settings)

    g_pool.calibration_menu = ui.Growing_Menu('Calibration')
    g_pool.sidebar.append(g_pool.calibration_menu)
    g_pool.gui.append(g_pool.sidebar)
    g_pool.quickbar = ui.Stretching_Menu('Quick Bar',(0,100),(120,-100))
    g_pool.gui.append(g_pool.quickbar)
    g_pool.capture.init_gui(g_pool.sidebar)

    #plugins that are loaded based on user settings from previous session
    g_pool.plugins = Plugin_List(g_pool,plugin_by_name,session_settings.get('loaded_plugins',default_plugins))

    #We add the calibration menu selector, after a calibration has been added:
    g_pool.calibration_menu.insert(0,ui.Selector('active_calibration_plugin',getter=lambda: g_pool.active_calibration_plugin.__class__, selection = calibration_plugins,
                                        labels = [p.__name__.replace('_',' ') for p in calibration_plugins],
                                        setter= open_plugin,label='Method'))

    # Register callbacks main_window
    glfw.glfwSetFramebufferSizeCallback(main_window,on_resize)
    glfw.glfwSetWindowIconifyCallback(main_window,on_iconify)
    glfw.glfwSetKeyCallback(main_window,on_key)
    glfw.glfwSetCharCallback(main_window,on_char)
    glfw.glfwSetMouseButtonCallback(main_window,on_button)
    glfw.glfwSetCursorPosCallback(main_window,on_pos)
    glfw.glfwSetScrollCallback(main_window,on_scroll)

    # gl_state settings
    basic_gl_setup()
    g_pool.image_tex = Named_Texture()
    # refresh speed settings
    glfw.glfwSwapInterval(0)

    #trigger setup of window and gl sizes
    on_resize(main_window, *glfw.glfwGetFramebufferSize(main_window))

    #now the we have  aproper window we can load the last gui configuration
    g_pool.gui.configuration = session_settings.get('ui_config',{})



    #set up performace graphs:
    pid = os.getpid()
    ps = psutil.Process(pid)
    ts = cap.get_timestamp()

    cpu_graph = graph.Bar_Graph()
    cpu_graph.pos = (20,130)
    cpu_graph.update_fn = ps.cpu_percent
    cpu_graph.update_rate = 5
    cpu_graph.label = 'CPU %0.1f'

    fps_graph = graph.Bar_Graph()
    fps_graph.pos = (140,130)
    fps_graph.update_rate = 5
    fps_graph.label = "%0.0f FPS"

    pupil0_graph = graph.Bar_Graph(max_val=1.0)
    pupil0_graph.pos = (260,130)
    pupil0_graph.update_rate = 5
    pupil0_graph.label = "id0 conf: %0.2f"
    pupil1_graph = graph.Bar_Graph(max_val=1.0)
    pupil1_graph.pos = (380,130)
    pupil1_graph.update_rate = 5
    pupil1_graph.label = "id1 conf: %0.2f"
    pupil_graphs = pupil0_graph,pupil1_graph

    if session_settings.get('eye1_process_alive',False):
        launch_eye_process(1,delay=0.6)
    if session_settings.get('eye0_process_alive',True):
        launch_eye_process(0,delay=0.3)

    ipc_pub.notify({'subject':'world_process.started'})
    logger.warning('Process started.')

    # Event loop
    while not glfw.glfwWindowShouldClose(main_window):
        # Get an image from the grabber
        try:
            frame = g_pool.capture.get_frame()
        except CameraCaptureError:
            logger.error("Capture from camera failed. Starting Fake Capture.")
            settings = g_pool.capture.settings
            g_pool.capture.close()
            g_pool.capture = autoCreateCapture(None, timebase=g_pool.timebase)
            g_pool.capture.init_gui(g_pool.sidebar)
            g_pool.capture.settings = settings
            ipc_pub.notify({'subject':'recording.should_stop'})
            continue
        except EndofVideoFileError:
            logger.warning("Video file is done. Stopping")
            break

        #update performace graphs
        t = frame.timestamp
        dt,ts = t-ts,t
        try:
            fps_graph.add(1./dt)
        except ZeroDivisionError:
            pass
        cpu_graph.update()


        #a dictionary that allows plugins to post and read events
        events = {}
        #report time between now and the last loop interation
        events['dt'] = get_dt()

        recent_pupil_data = []
        recent_gaze_data = []
        new_notifications = []

        while pupil_sub.new_data:
            t,p = pupil_sub.recv()
            pupil_graphs[p['id']].add(p['confidence'])
            recent_pupil_data.append(p)
            new_gaze_data = g_pool.active_gaze_mapping_plugin.on_pupil_datum(p)
            for g in new_gaze_data:
                gaze_pub.send('gaze',g)
            recent_gaze_data += new_gaze_data
        while notify_sub.new_data:
            t,n = notify_sub.recv()
            new_notifications.append(n)


        events['pupil_positions'] = recent_pupil_data
        events['gaze_positions'] = recent_gaze_data

        # notify each plugin if there are new notifications:
        for n in new_notifications:
            handle_notifications(n)
            for p in g_pool.plugins:
                p.on_notify(n)

        # allow each Plugin to do its work.
        for p in g_pool.plugins:
            p.update(frame,events)

        #check if a plugin need to be destroyed
        g_pool.plugins.clean()

        #send new events to ipc:
        del events['pupil_positions'] #already on the wire
        del events['gaze_positions']  #send earlier in this loop
        del events['dt']  #no need to send this
        for topic,data in events.iteritems():
            for d in data:
                ipc_pub.send(topic, d)

        # render camera image
        glfw.glfwMakeContextCurrent(main_window)
        if g_pool.iconified:
            pass
        else:
            g_pool.image_tex.update_from_frame(frame)
            glFlush()
        make_coord_system_norm_based()
        g_pool.image_tex.draw()
        make_coord_system_pixel_based((frame.height,frame.width,3))
        # render visual feedback from loaded plugins
        for p in g_pool.plugins:
            p.gl_display()

        if not g_pool.iconified:
            graph.push_view()
            fps_graph.draw()
            cpu_graph.draw()
            pupil0_graph.draw()
            pupil1_graph.draw()
            graph.pop_view()
            g_pool.gui.update()
            glfw.glfwSwapBuffers(main_window)
        glfw.glfwPollEvents()

    glfw.glfwRestoreWindow(main_window) #need to do this for windows os
    session_settings['loaded_plugins'] = g_pool.plugins.get_initializers()
    session_settings['gui_scale'] = g_pool.gui.scale
    session_settings['ui_config'] = g_pool.gui.configuration
    session_settings['capture_settings'] = g_pool.capture.settings
    session_settings['window_size'] = glfw.glfwGetWindowSize(main_window)
    session_settings['window_position'] = glfw.glfwGetWindowPos(main_window)
    session_settings['version'] = g_pool.version
    session_settings['eye0_process_alive'] = eyes_are_alive[0].value
    session_settings['eye1_process_alive'] = eyes_are_alive[1].value
    session_settings['detection_mapping_mode'] = g_pool.detection_mapping_mode
    session_settings['audio_mode'] = audio.audio_mode
    session_settings.close()

    # de-init all running plugins
    for p in g_pool.plugins:
        p.alive = False
    g_pool.plugins.clean()
    g_pool.gui.terminate()
    glfw.glfwDestroyWindow(main_window)
    glfw.glfwTerminate()
    g_pool.capture.close()

    #shut down eye processes:
    stop_eye_process(0)
    stop_eye_process(1)

    logger.info("Process shutting down.")
    ipc_pub.notify({'subject':'world_process.stopped'})

    #shut down launcher
    n = {'subject':'launcher_process.should_stop'}
    ipc_pub.notify(n)
    zmq_ctx.destroy()
Ejemplo n.º 12
0
def main():

    # Callback functions
    def on_resize(window, w, h):
        active_window = glfwGetCurrentContext()
        glfwMakeContextCurrent(window)
        hdpi_factor = glfwGetFramebufferSize(window)[0] / glfwGetWindowSize(
            window)[0]
        w, h = w * hdpi_factor, h * hdpi_factor
        g_pool.gui.update_window(w, h)
        g_pool.gui.collect_menus()
        graph.adjust_size(w, h)
        adjust_gl_view(w, h)
        glfwMakeContextCurrent(active_window)
        for p in g_pool.plugins:
            p.on_window_resize(window, w, h)

    def on_key(window, key, scancode, action, mods):
        g_pool.gui.update_key(key, scancode, action, mods)

    def on_char(window, char):
        g_pool.gui.update_char(char)

    def on_button(window, button, action, mods):
        g_pool.gui.update_button(button, action, mods)
        pos = glfwGetCursorPos(window)
        pos = normalize(pos, glfwGetWindowSize(window))
        pos = denormalize(
            pos,
            (frame.img.shape[1], frame.img.shape[0]))  # Position in img pixels
        for p in g_pool.plugins:
            p.on_click(pos, button, action)

    def on_pos(window, x, y):
        hdpi_factor = float(
            glfwGetFramebufferSize(window)[0] / glfwGetWindowSize(window)[0])
        x, y = x * hdpi_factor, y * hdpi_factor
        g_pool.gui.update_mouse(x, y)

    def on_scroll(window, x, y):
        g_pool.gui.update_scroll(x, y * y_scroll_factor)

    def on_close(window):
        glfwSetWindowShouldClose(main_window, True)
        logger.debug('Process closing from window')

    try:
        rec_dir = sys.argv[1]
    except:
        #for dev, supply hardcoded dir:
        rec_dir = '/Users/mkassner/Desktop/Marker_Tracking_Demo_Recording/'
        if os.path.isdir(rec_dir):
            logger.debug("Dev option: Using hadcoded data dir.")
        else:
            if getattr(sys, 'frozen', False):
                logger.warning(
                    "You did not supply a data directory when you called this script! \
                   \nPlease drag a Pupil recoding directory onto the launch icon."
                )
            else:
                logger.warning(
                    "You did not supply a data directory when you called this script! \
                       \nPlease supply a Pupil recoding directory as first arg when calling Pupil Player."
                )
            return

    if not is_pupil_rec_dir(rec_dir):
        logger.error(
            "You did not supply a dir with the required files inside.")
        return

    # load session persistent settings
    session_settings = Persistent_Dict(os.path.join(user_dir, "user_settings"))

    #backwards compatibility fn.
    patch_meta_info(rec_dir)

    #parse info.csv file
    meta_info_path = rec_dir + "/info.csv"
    with open(meta_info_path) as info:
        meta_info = dict(
            ((line.strip().split('\t')) for line in info.readlines()))

    rec_version = read_rec_version(meta_info)
    if rec_version < VersionFormat('0.4'):
        video_path = rec_dir + "/world.avi"
        timestamps_path = rec_dir + "/timestamps.npy"
    else:
        video_path = rec_dir + "/world.mkv"
        timestamps_path = rec_dir + "/world_timestamps.npy"

    gaze_positions_path = rec_dir + "/gaze_positions.npy"
    #load gaze information
    gaze_list = np.load(gaze_positions_path)
    timestamps = np.load(timestamps_path)

    #correlate data
    if rec_version < VersionFormat('0.4'):
        positions_by_frame = correlate_gaze_legacy(gaze_list, timestamps)
    else:
        positions_by_frame = correlate_gaze(gaze_list, timestamps)

    # Initialize capture
    cap = autoCreateCapture(video_path, timestamps=timestamps_path)

    if isinstance(cap, FakeCapture):
        logger.error("could not start capture.")
        return

    width, height = session_settings.get('window_size', cap.frame_size)
    window_pos = session_settings.get('window_position',
                                      (0, 0))  # not yet using this one.

    # Initialize glfw
    glfwInit()
    main_window = glfwCreateWindow(
        width, height, "Pupil Player: " + meta_info["Recording Name"] + " - " +
        rec_dir.split(os.path.sep)[-1], None, None)
    glfwMakeContextCurrent(main_window)
    cygl.utils.init()

    # Register callbacks main_window
    glfwSetWindowSizeCallback(main_window, on_resize)
    glfwSetWindowCloseCallback(main_window, on_close)
    glfwSetKeyCallback(main_window, on_key)
    glfwSetCharCallback(main_window, on_char)
    glfwSetMouseButtonCallback(main_window, on_button)
    glfwSetCursorPosCallback(main_window, on_pos)
    glfwSetScrollCallback(main_window, on_scroll)

    # create container for globally scoped vars (within world)
    g_pool = Global_Container()
    g_pool.app = 'player'
    g_pool.version = get_version(version_file)
    g_pool.capture = cap
    g_pool.timestamps = timestamps
    g_pool.gaze_list = gaze_list
    g_pool.positions_by_frame = positions_by_frame
    g_pool.play = False
    g_pool.new_seek = True
    g_pool.user_dir = user_dir
    g_pool.rec_dir = rec_dir
    g_pool.rec_version = rec_version
    g_pool.meta_info = meta_info

    def next_frame(_):
        try:
            cap.seek_to_frame(cap.get_frame_index())
        except FileSeekError:
            pass
        g_pool.new_seek = True

    def prev_frame(_):
        try:
            cap.seek_to_frame(cap.get_frame_index() - 2)
        except FileSeekError:
            pass
        g_pool.new_seek = True

    def set_scale(new_scale):
        g_pool.gui.scale = new_scale
        g_pool.gui.collect_menus()

    def get_scale():
        return g_pool.gui.scale

    def open_plugin(plugin):
        if plugin == "Select to load":
            return
        logger.debug('Open Plugin: %s' % plugin)
        new_plugin = plugin(g_pool)
        g_pool.plugins.add(new_plugin)

    def purge_plugins():
        for p in g_pool.plugins:
            if p.__class__ in user_launchable_plugins:
                p.alive = False
        g_pool.plugins.clean()

    g_pool.gui = ui.UI()
    g_pool.gui.scale = session_settings.get('gui_scale', 1)
    g_pool.main_menu = ui.Scrolling_Menu("Settings",
                                         pos=(-350, 20),
                                         size=(300, 300))
    g_pool.main_menu.append(ui.Button("quit", lambda: on_close(None)))
    g_pool.main_menu.configuration = session_settings.get(
        'main_menu_config', {})
    g_pool.main_menu.append(
        ui.Slider('scale',
                  setter=set_scale,
                  getter=get_scale,
                  step=.05,
                  min=0.75,
                  max=2.5,
                  label='Interface Size'))

    g_pool.main_menu.append(ui.Info_Text('Player Version: %s' %
                                         g_pool.version))
    g_pool.main_menu.append(ui.Info_Text('Recording Version: %s' %
                                         rec_version))

    g_pool.main_menu.append(
        ui.Selector('Open plugin',
                    selection=user_launchable_plugins,
                    labels=[
                        p.__name__.replace('_', ' ')
                        for p in user_launchable_plugins
                    ],
                    setter=open_plugin,
                    getter=lambda: "Select to load"))
    g_pool.main_menu.append(ui.Button('Close all plugins', purge_plugins))
    g_pool.main_menu.append(
        ui.Button(
            'Reset window size', lambda: glfwSetWindowSize(
                main_window, cap.frame_size[0], cap.frame_size[1])))

    g_pool.quickbar = ui.Stretching_Menu('Quick Bar', (0, 100), (120, -100))
    g_pool.play_button = ui.Thumb('play',
                                  g_pool,
                                  label='Play',
                                  hotkey=GLFW_KEY_SPACE)
    g_pool.play_button.on_color[:] = (0, 1., .0, .8)
    g_pool.forward_button = ui.Thumb('forward',
                                     getter=lambda: False,
                                     setter=next_frame,
                                     hotkey=GLFW_KEY_RIGHT)
    g_pool.backward_button = ui.Thumb('backward',
                                      getter=lambda: False,
                                      setter=prev_frame,
                                      hotkey=GLFW_KEY_LEFT)
    g_pool.quickbar.extend(
        [g_pool.play_button, g_pool.forward_button, g_pool.backward_button])

    g_pool.gui.append(g_pool.quickbar)
    g_pool.gui.append(g_pool.main_menu)

    #we always load these plugins
    system_plugins = [('Trim_Marks', {}), ('Seek_Bar', {})]
    default_plugins = [('Scan_Path', {}), ('Vis_Polyline', {}),
                       ('Vis_Circle', {}), ('Export_Launcher', {})]
    previous_plugins = session_settings.get('loaded_plugins', default_plugins)
    g_pool.plugins = Plugin_List(g_pool, plugin_by_name,
                                 system_plugins + previous_plugins)

    for p in g_pool.plugins:
        if p.class_name == 'Trim_Marks':
            g_pool.trim_marks = p
            break

    #set the last saved window size
    on_resize(main_window, *glfwGetWindowSize(main_window))
    glfwSetWindowPos(main_window, 0, 0)

    # gl_state settings
    basic_gl_setup()
    g_pool.image_tex = create_named_texture((height, width, 3))

    #set up performace graphs:
    pid = os.getpid()
    ps = psutil.Process(pid)
    ts = cap.get_now() - .03

    cpu_graph = graph.Bar_Graph()
    cpu_graph.pos = (20, 110)
    cpu_graph.update_fn = ps.get_cpu_percent
    cpu_graph.update_rate = 5
    cpu_graph.label = 'CPU %0.1f'

    fps_graph = graph.Bar_Graph()
    fps_graph.pos = (140, 110)
    fps_graph.update_rate = 5
    fps_graph.label = "%0.0f REC FPS"

    pupil_graph = graph.Bar_Graph(max_val=1.0)
    pupil_graph.pos = (260, 110)
    pupil_graph.update_rate = 5
    pupil_graph.label = "Confidence: %0.2f"

    while not glfwWindowShouldClose(main_window):

        #grab new frame
        if g_pool.play or g_pool.new_seek:
            try:
                new_frame = cap.get_frame()
            except EndofVideoFileError:
                #end of video logic: pause at last frame.
                g_pool.play = False

            if g_pool.new_seek:
                display_time = new_frame.timestamp
                g_pool.new_seek = False

            update_graph = True
        else:
            update_graph = False

        frame = new_frame.copy()
        events = {}
        #new positons we make a deepcopy just like the image is a copy.
        events['pupil_positions'] = deepcopy(positions_by_frame[frame.index])

        if update_graph:
            #update performace graphs
            for p in events['pupil_positions']:
                pupil_graph.add(p['confidence'])

            t = new_frame.timestamp
            if ts != t:
                dt, ts = t - ts, t
            fps_graph.add(1. / dt)

            g_pool.play_button.status_text = str(frame.index)
        #always update the CPU graph
        cpu_graph.update()

        # allow each Plugin to do its work.
        for p in g_pool.plugins:
            p.update(frame, events)

        #check if a plugin need to be destroyed
        g_pool.plugins.clean()

        # render camera image
        glfwMakeContextCurrent(main_window)
        make_coord_system_norm_based()
        update_named_texture(g_pool.image_tex, frame.img)
        draw_named_texture(g_pool.image_tex)
        make_coord_system_pixel_based(frame.img.shape)
        # render visual feedback from loaded plugins
        for p in g_pool.plugins:
            p.gl_display()

        graph.push_view()
        fps_graph.draw()
        cpu_graph.draw()
        pupil_graph.draw()
        graph.pop_view()
        g_pool.gui.update()

        #present frames at appropriate speed
        wait_time = frame.timestamp - display_time
        display_time = frame.timestamp
        try:
            spent_time = time() - timestamp
            sleep(wait_time - spent_time)
        except:
            pass
        timestamp = time()

        glfwSwapBuffers(main_window)
        glfwPollEvents()

    session_settings['loaded_plugins'] = g_pool.plugins.get_initializers()
    session_settings['gui_scale'] = g_pool.gui.scale
    session_settings['main_menu_config'] = g_pool.main_menu.configuration
    session_settings['window_size'] = glfwGetWindowSize(main_window)
    session_settings['window_position'] = glfwGetWindowPos(main_window)

    session_settings.close()
    # de-init all running plugins
    for p in g_pool.plugins:
        p.alive = False
    g_pool.plugins.clean()

    cap.close()
    glfwDestroyWindow(main_window)
    glfwTerminate()
    logger.debug("Process done")
Ejemplo n.º 13
0
Archivo: world.py Proyecto: Tyex/pupil
def world(g_pool,cap_src,cap_size):
    """world
    Creates a window, gl context.
    Grabs images from a capture.
    Receives Pupil coordinates from eye process[es]
    Can run various plug-ins.
    """

    # Callback functions
    def on_resize(window,w, h):
        active_window = glfwGetCurrentContext()
        glfwMakeContextCurrent(window)
        hdpi_factor = glfwGetFramebufferSize(window)[0]/glfwGetWindowSize(window)[0]
        w,h = w*hdpi_factor, h*hdpi_factor
        g_pool.gui.update_window(w,h)
        g_pool.gui.collect_menus()
        graph.adjust_size(w,h)
        adjust_gl_view(w,h)
        for p in g_pool.plugins:
            p.on_window_resize(window,w,h)

        glfwMakeContextCurrent(active_window)


    def on_iconify(window,iconfied):
        pass

    def on_key(window, key, scancode, action, mods):
        g_pool.gui.update_key(key,scancode,action,mods)

    def on_char(window,char):
        g_pool.gui.update_char(char)


    def on_button(window,button, action, mods):
        g_pool.gui.update_button(button,action,mods)
        pos = glfwGetCursorPos(window)
        pos = normalize(pos,glfwGetWindowSize(main_window))
        pos = denormalize(pos,(frame.img.shape[1],frame.img.shape[0]) ) # Position in img pixels
        for p in g_pool.plugins:
            p.on_click(pos,button,action)

    def on_pos(window,x, y):
        hdpi_factor = float(glfwGetFramebufferSize(window)[0]/glfwGetWindowSize(window)[0])
        x,y = x*hdpi_factor,y*hdpi_factor
        g_pool.gui.update_mouse(x,y)

    def on_scroll(window,x,y):
        g_pool.gui.update_scroll(x,y*scroll_factor)


    def on_close(window):
        g_pool.quit.value = True
        logger.info('Process closing from window')



    # load session persistent settings
    session_settings = Persistent_Dict(os.path.join(g_pool.user_dir,'user_settings_world'))

    # Initialize capture
    cap = autoCreateCapture(cap_src, cap_size, 24, timebase=g_pool.timebase)

    # Test capture
    try:
        frame = cap.get_frame()
    except CameraCaptureError:
        logger.error("Could not retrieve image from capture")
        cap.close()
        return


    # any object we attach to the g_pool object *from now on* will only be visible to this process!
    # vars should be declared here to make them visible to the code reader.
    g_pool.update_textures = session_settings.get("update_textures",2)


    g_pool.capture = cap
    g_pool.pupil_confidence_threshold = session_settings.get('pupil_confidence_threshold',.6)
    g_pool.active_calibration_plugin = None


    #UI callback functions
    def reset_timebase():
        #the last frame from worldcam will be t0
        g_pool.timebase.value = g_pool.capture.get_now()
        logger.info("New timebase set to %s all timestamps will count from here now."%g_pool.timebase.value)

    def set_calibration_plugin(new_calibration):
        g_pool.active_calibration_plugin = new_calibration
        new_plugin = new_calibration(g_pool)
        g_pool.plugins.add(new_plugin)

    def open_plugin(plugin):
        if plugin ==  "Select to load":
            return
        logger.debug('Open Plugin: %s'%plugin)
        new_plugin = plugin(g_pool)
        g_pool.plugins.add(new_plugin)

    def set_scale(new_scale):
        g_pool.gui.scale = new_scale
        g_pool.gui.collect_menus()


    def get_scale():
        return g_pool.gui.scale


    width,height = session_settings.get('window_size',(frame.width, frame.height))
    window_pos = session_settings.get('window_position',(0,0)) # not yet using this one.


    # Initialize glfw
    glfwInit()
    main_window = glfwCreateWindow(width,height, "World", None, None)
    glfwMakeContextCurrent(main_window)
    cygl.utils.init()

    # Register callbacks main_window
    glfwSetWindowSizeCallback(main_window,on_resize)
    glfwSetWindowCloseCallback(main_window,on_close)
    glfwSetWindowIconifyCallback(main_window,on_iconify)
    glfwSetKeyCallback(main_window,on_key)
    glfwSetCharCallback(main_window,on_char)
    glfwSetMouseButtonCallback(main_window,on_button)
    glfwSetCursorPosCallback(main_window,on_pos)
    glfwSetScrollCallback(main_window,on_scroll)

    # gl_state settings
    basic_gl_setup()
    g_pool.image_tex = create_named_texture(frame.img.shape)
    update_named_texture(g_pool.image_tex,frame.img)

    # refresh speed settings
    glfwSwapInterval(0)

    glfwSetWindowPos(main_window,0,0)


    #setup GUI
    g_pool.gui = ui.UI()
    g_pool.gui.scale = session_settings.get('gui_scale',1)
    g_pool.sidebar = ui.Scrolling_Menu("Settings",pos=(-250,0),size=(0,0),header_pos='left')
    g_pool.sidebar.configuration = session_settings.get('side_bar_config',{})
    general_settings = ui.Growing_Menu('General')
    general_settings.configuration = session_settings.get('general_menu_config',{})
    general_settings.append(ui.Slider('scale', setter=set_scale,getter=get_scale,step = .05,min=1.,max=2.5,label='Interface size'))
    general_settings.append(ui.Button('Reset window size',lambda: glfwSetWindowSize(main_window,frame.width,frame.height)) )
    general_settings.append(ui.Selector('Open plugin', selection = user_launchable_plugins,
                                        labels = [p.__name__.replace('_',' ') for p in user_launchable_plugins],
                                        setter= open_plugin, getter=lambda: "Select to load"))
    g_pool.sidebar.append(general_settings)
    advanced_settings = ui.Growing_Menu('Advanced')
    advanced_settings.configuration = session_settings.get('advanced_menu_config',{'collapsed':True})
    advanced_settings.append(ui.Selector('update_textures',g_pool,label="Update display",selection=range(3),labels=('No update','Gray','Color')))
    advanced_settings.append(ui.Slider('pupil_confidence_threshold', g_pool,step = .01,min=0.,max=1.,label='Minimum pupil confidence'))
    advanced_settings.append(ui.Button('Set timebase to 0',reset_timebase))
    advanced_settings.append(ui.Info_Text('Capture Version: %s'%g_pool.version))

    general_settings.append(advanced_settings)
    g_pool.calibration_menu = ui.Growing_Menu('Calibration')
    g_pool.calibration_menu.configuration = session_settings.get('calibration_menu_config',{})
    g_pool.calibration_menu.append(ui.Selector('active_calibration_plugin',g_pool, selection = calibration_plugins,
                                        labels = [p.__name__.replace('_',' ') for p in calibration_plugins],
                                        setter= set_calibration_plugin,label='Method'))
    g_pool.sidebar.append(g_pool.calibration_menu)
    g_pool.gui.append(g_pool.sidebar)

    g_pool.quickbar = ui.Stretching_Menu('Quick Bar',(0,100),(120,-100))
    g_pool.gui.append(g_pool.quickbar)
    g_pool.gui.append(ui.Hot_Key("quit",setter=on_close,getter=lambda:True,label="X",hotkey=GLFW_KEY_ESCAPE))

    g_pool.capture.init_gui(g_pool.sidebar)
    g_pool.capture.menu.configuration = session_settings.get('capture_menu_config',{})

    #plugins that are loaded based on user settings from previous session
    g_pool.plugins = Plugin_List(g_pool,plugin_by_name,session_settings.get('loaded_plugins',default_plugins))

    #only needed for the gui to show the loaded calibration type
    for p in g_pool.plugins:
        if p.base_class_name == 'Calibration_Plugin':
            g_pool.active_calibration_plugin =  p.__class__
            break



    on_resize(main_window, *glfwGetWindowSize(main_window))

    #set up performace graphs:
    pid = os.getpid()
    ps = psutil.Process(pid)
    ts = frame.timestamp

    cpu_graph = graph.Bar_Graph()
    cpu_graph.pos = (20,130)
    cpu_graph.update_fn = ps.get_cpu_percent
    cpu_graph.update_rate = 5
    cpu_graph.label = 'CPU %0.1f'

    fps_graph = graph.Bar_Graph()
    fps_graph.pos = (140,130)
    fps_graph.update_rate = 5
    fps_graph.label = "%0.0f FPS"

    pupil_graph = graph.Bar_Graph(max_val=1.0)
    pupil_graph.pos = (260,130)
    pupil_graph.update_rate = 5
    pupil_graph.label = "Confidence: %0.2f"

    # Event loop
    while not g_pool.quit.value:

        # Get an image from the grabber
        try:
            frame = cap.get_frame()
        except CameraCaptureError:
            logger.error("Capture from camera failed. Stopping.")
            break
        except EndofVideoFileError:
            logger.warning("Video file is done. Stopping")
            break

        #update performace graphs
        t = frame.timestamp
        dt,ts = t-ts,t
        try:
            fps_graph.add(1./dt)
        except ZeroDivisionError:
            pass
        cpu_graph.update()


        #a dictionary that allows plugins to post and read events
        events = {}

        #receive and map pupil positions
        recent_pupil_positions = []
        while not g_pool.pupil_queue.empty():
            p = g_pool.pupil_queue.get()
            recent_pupil_positions.append(p)
            pupil_graph.add(p['confidence'])
        events['pupil_positions'] = recent_pupil_positions

        # allow each Plugin to do its work.
        for p in g_pool.plugins:
            p.update(frame,events)

        #check if a plugin need to be destroyed
        g_pool.plugins.clean()

        # render camera image
        glfwMakeContextCurrent(main_window)
        if g_pool.update_textures == 2:
            update_named_texture(g_pool.image_tex,frame.img)
        elif g_pool.update_textures == 1:
            update_named_texture(g_pool.image_tex,frame.gray)

        make_coord_system_norm_based()
        draw_named_texture(g_pool.image_tex)
        make_coord_system_pixel_based((frame.height,frame.width,3))

        # render visual feedback from loaded plugins
        for p in g_pool.plugins:
            p.gl_display()

        graph.push_view()
        fps_graph.draw()
        cpu_graph.draw()
        pupil_graph.draw()
        graph.pop_view()
        g_pool.gui.update()
        glfwSwapBuffers(main_window)
        glfwPollEvents()


    session_settings['loaded_plugins'] = g_pool.plugins.get_initializers()
    session_settings['pupil_confidence_threshold'] = g_pool.pupil_confidence_threshold
    session_settings['gui_scale'] = g_pool.gui.scale
    session_settings['side_bar_config'] = g_pool.sidebar.configuration
    session_settings['capture_menu_config'] = g_pool.capture.menu.configuration
    session_settings['general_menu_config'] = general_settings.configuration
    session_settings['advanced_menu_config'] = advanced_settings.configuration
    session_settings['calibration_menu_config']=g_pool.calibration_menu.configuration
    session_settings['window_size'] = glfwGetWindowSize(main_window)
    session_settings['window_position'] = glfwGetWindowPos(main_window)
    session_settings['update_textures'] = g_pool.update_textures
    session_settings.close()

    # de-init all running plugins
    for p in g_pool.plugins:
        p.alive = False
    g_pool.plugins.clean()

    cap.close()
    glfwDestroyWindow(main_window)
    glfwTerminate()
    logger.debug("Process done")
Ejemplo n.º 14
0
def eye(g_pool,cap_src,cap_size,rx_from_world,eye_id=0):
    """
    Creates a window, gl context.
    Grabs images from a capture.
    Streams Pupil coordinates into g_pool.pupil_queue
    """

    # modify the root logger for this process
    logger = logging.getLogger()
    # remove inherited handlers
    logger.handlers = []
    # create file handler which logs even debug messages
    fh = logging.FileHandler(os.path.join(g_pool.user_dir,'eye%s.log'%eye_id),mode='w')
    # fh.setLevel(logging.DEBUG)
    # create console handler with a higher log level
    ch = logging.StreamHandler()
    ch.setLevel(logger.level+10)
    # create formatter and add it to the handlers
    formatter = logging.Formatter('Eye'+str(eye_id)+' Process: %(asctime)s - %(name)s - %(levelname)s - %(message)s')
    fh.setFormatter(formatter)
    formatter = logging.Formatter('EYE'+str(eye_id)+' Process [%(levelname)s] %(name)s : %(message)s')
    ch.setFormatter(formatter)
    # add the handlers to the logger
    logger.addHandler(fh)
    logger.addHandler(ch)
    # create logger for the context of this function
    logger = logging.getLogger(__name__)


    #UI Platform tweaks
    if platform.system() == 'Linux':
        scroll_factor = 10.0
        window_position_default = (600,300*eye_id)
    elif platform.system() == 'Windows':
        scroll_factor = 1.0
        window_position_default = (600,31+300*eye_id)
    else:
        scroll_factor = 1.0
        window_position_default = (600,300*eye_id)


    # Callback functions
    def on_resize(window,w, h):
        active_window = glfwGetCurrentContext()
        glfwMakeContextCurrent(window)
        hdpi_factor = glfwGetFramebufferSize(window)[0]/glfwGetWindowSize(window)[0]
        w,h = w*hdpi_factor, h*hdpi_factor
        g_pool.gui.update_window(w,h)
        graph.adjust_size(w,h)
        adjust_gl_view(w,h)
        # for p in g_pool.plugins:
            # p.on_window_resize(window,w,h)
        glfwMakeContextCurrent(active_window)

    def on_key(window, key, scancode, action, mods):
        g_pool.gui.update_key(key,scancode,action,mods)


    def on_char(window,char):
        g_pool.gui.update_char(char)


    def on_button(window,button, action, mods):
        if g_pool.display_mode == 'roi':
            if action == GLFW_RELEASE and u_r.active_edit_pt:
                u_r.active_edit_pt = False
                return # if the roi interacts we dont what the gui to interact as well
            elif action == GLFW_PRESS:
                pos = glfwGetCursorPos(window)
                pos = normalize(pos,glfwGetWindowSize(main_window))
                if g_pool.flip:
                    pos = 1-pos[0],1-pos[1]
                pos = denormalize(pos,(frame.width,frame.height)) # Position in img pixels
                if u_r.mouse_over_edit_pt(pos,u_r.handle_size+40,u_r.handle_size+40):
                    return # if the roi interacts we dont what the gui to interact as well

        g_pool.gui.update_button(button,action,mods)



    def on_pos(window,x, y):
        hdpi_factor = float(glfwGetFramebufferSize(window)[0]/glfwGetWindowSize(window)[0])
        g_pool.gui.update_mouse(x*hdpi_factor,y*hdpi_factor)

        if u_r.active_edit_pt:
            pos = normalize((x,y),glfwGetWindowSize(main_window))
            if g_pool.flip:
                pos = 1-pos[0],1-pos[1]
            pos = denormalize(pos,(frame.width,frame.height) )
            u_r.move_vertex(u_r.active_pt_idx,pos)

    def on_scroll(window,x,y):
        g_pool.gui.update_scroll(x,y*scroll_factor)

    def on_close(window):
        g_pool.quit.value = True
        logger.info('Process closing from window')


    # load session persistent settings
    session_settings = Persistent_Dict(os.path.join(g_pool.user_dir,'user_settings_eye%s'%eye_id))
    if session_settings.get("version",VersionFormat('0.0')) < g_pool.version:
        logger.info("Session setting are from older version of this app. I will not use those.")
        session_settings.clear()
    # Initialize capture
    cap = autoCreateCapture(cap_src, timebase=g_pool.timebase)
    cap.frame_size = cap_size
    cap.frame_rate = 90 #default
    cap.settings = session_settings.get('capture_settings',{})


    # Test capture
    try:
        frame = cap.get_frame()
    except CameraCaptureError:
        logger.error("Could not retrieve image from capture")
        cap.close()
        return

    g_pool.capture = cap
    g_pool.flip = session_settings.get('flip',False)
    # any object we attach to the g_pool object *from now on* will only be visible to this process!
    # vars should be declared here to make them visible to the code reader.
    g_pool.window_size = session_settings.get('window_size',1.)
    g_pool.display_mode = session_settings.get('display_mode','camera_image')
    g_pool.display_mode_info_text = {'camera_image': "Raw eye camera image. This uses the least amount of CPU power",
                                'roi': "Click and drag on the blue circles to adjust the region of interest. The region should be a small as possible but big enough to capture to pupil in its movements",
                                'algorithm': "Algorithm display mode overlays a visualization of the pupil detection parameters on top of the eye video. Adjust parameters with in the Pupil Detection menu below."}
    # g_pool.draw_pupil = session_settings.get('draw_pupil',True)

    u_r = UIRoi(frame.img.shape)
    u_r.set(session_settings.get('roi',u_r.get()))

    writer = None

    pupil_detector = Canny_Detector(g_pool)


    # UI callback functions
    def set_scale(new_scale):
        g_pool.gui.scale = new_scale
        g_pool.gui.collect_menus()


    def set_display_mode_info(val):
        g_pool.display_mode = val
        g_pool.display_mode_info.text = g_pool.display_mode_info_text[val]


    window_pos = session_settings.get('window_position',window_position_default)
    width,height = session_settings.get('window_size',(frame.width, frame.height))

    # Initialize glfw
    glfwInit()
    if g_pool.binocular:
        title = "Binocular eye %s"%eye_id
    else:
        title = 'Eye'
    main_window = glfwCreateWindow(width,height, title, None, None)

    glfwMakeContextCurrent(main_window)
    cygl_init()

    # Register callbacks main_window
    glfwSetWindowSizeCallback(main_window,on_resize)
    glfwSetWindowCloseCallback(main_window,on_close)
    glfwSetKeyCallback(main_window,on_key)
    glfwSetCharCallback(main_window,on_char)
    glfwSetMouseButtonCallback(main_window,on_button)
    glfwSetCursorPosCallback(main_window,on_pos)
    glfwSetScrollCallback(main_window,on_scroll)

    # gl_state settings
    basic_gl_setup()
    g_pool.image_tex = create_named_texture(frame.img.shape)
    update_named_texture(g_pool.image_tex,frame.img)

    # refresh speed settings
    glfwSwapInterval(0)
    glfwSetWindowPos(main_window,window_pos[0],window_pos[1])


    #setup GUI
    g_pool.gui = ui.UI()
    g_pool.gui.scale = session_settings.get('gui_scale',1)
    g_pool.sidebar = ui.Scrolling_Menu("Settings",pos=(-300,0),size=(0,0),header_pos='left')
    general_settings = ui.Growing_Menu('General')
    general_settings.append(ui.Slider('scale',g_pool.gui, setter=set_scale,step = .05,min=1.,max=2.5,label='Interface Size'))
    general_settings.append(ui.Button('Reset window size',lambda: glfwSetWindowSize(main_window,frame.width,frame.height)) )
    general_settings.append(ui.Selector('display_mode',g_pool,setter=set_display_mode_info,selection=['camera_image','roi','algorithm'], labels=['Camera Image', 'ROI', 'Algorithm'], label="Mode") )
    general_settings.append(ui.Switch('flip',g_pool,label='Flip image display'))
    g_pool.display_mode_info = ui.Info_Text(g_pool.display_mode_info_text[g_pool.display_mode])
    general_settings.append(g_pool.display_mode_info)
    g_pool.sidebar.append(general_settings)

    g_pool.gui.append(g_pool.sidebar)
    g_pool.gui.append(ui.Hot_Key("quit",setter=on_close,getter=lambda:True,label="X",hotkey=GLFW_KEY_ESCAPE))


    # let the camera add its GUI
    g_pool.capture.init_gui(g_pool.sidebar)

    # let detector add its GUI
    pupil_detector.init_gui(g_pool.sidebar)

    # load last gui configuration
    g_pool.gui.configuration = session_settings.get('ui_config',{})


    #set the last saved window size
    on_resize(main_window, *glfwGetWindowSize(main_window))

    #set up performance graphs
    pid = os.getpid()
    ps = psutil.Process(pid)
    ts = frame.timestamp

    cpu_graph = graph.Bar_Graph()
    cpu_graph.pos = (20,130)
    cpu_graph.update_fn = ps.cpu_percent
    cpu_graph.update_rate = 5
    cpu_graph.label = 'CPU %0.1f'

    fps_graph = graph.Bar_Graph()
    fps_graph.pos = (140,130)
    fps_graph.update_rate = 5
    fps_graph.label = "%0.0f FPS"

    # Event loop
    while not g_pool.quit.value:
        # Get an image from the grabber
        try:
            frame = cap.get_frame()
        except CameraCaptureError:
            logger.error("Capture from Camera Failed. Stopping.")
            break
        except EndofVideoFileError:
            logger.warning("Video File is done. Stopping")
            break


        #update performace graphs
        t = frame.timestamp
        dt,ts = t-ts,t
        try:
            fps_graph.add(1./dt)
        except ZeroDivisionError:
            pass
        cpu_graph.update()


        ###  RECORDING of Eye Video (on demand) ###
        # Setup variables and lists for recording
        if rx_from_world.poll():
            command,raw_mode = rx_from_world.recv()
            if command is not None:
                record_path = command
                logger.info("Will save eye video to: %s"%record_path)
                video_path = os.path.join(record_path, "eye%s.mkv"%eye_id)
                timestamps_path = os.path.join(record_path, "eye%s_timestamps.npy"%eye_id)
                if raw_mode:
                    writer = JPEG_Dumper(video_path)
                else:
                    writer = CV_Writer(video_path,float(cap.frame_rate), cap.frame_size)
                timestamps = []
            else:
                logger.info("Done recording.")
                writer.release()
                writer = None
                np.save(timestamps_path,np.asarray(timestamps))
                del timestamps

        if writer:
            writer.write_video_frame(frame)
            timestamps.append(frame.timestamp)


        # pupil ellipse detection
        result = pupil_detector.detect(frame,user_roi=u_r,visualize=g_pool.display_mode == 'algorithm')
        result['id'] = eye_id
        # stream the result
        g_pool.pupil_queue.put(result)


        # GL drawing
        glfwMakeContextCurrent(main_window)
        clear_gl_screen()

        # switch to work in normalized coordinate space
        if g_pool.display_mode == 'algorithm':
            update_named_texture(g_pool.image_tex,frame.img)
        elif g_pool.display_mode in ('camera_image','roi'):
            update_named_texture(g_pool.image_tex,frame.gray)
        else:
            pass

        make_coord_system_norm_based(g_pool.flip)
        draw_named_texture(g_pool.image_tex)
        # switch to work in pixel space
        make_coord_system_pixel_based((frame.height,frame.width,3),g_pool.flip)

        if result['confidence'] >0:
            if result.has_key('axes'):
                pts = cv2.ellipse2Poly( (int(result['center'][0]),int(result['center'][1])),
                                        (int(result['axes'][0]/2),int(result['axes'][1]/2)),
                                        int(result['angle']),0,360,15)
                cygl_draw_polyline(pts,1,cygl_rgba(1.,0,0,.5))
            cygl_draw_points([result['center']],size=20,color=cygl_rgba(1.,0.,0.,.5),sharpness=1.)

        # render graphs
        graph.push_view()
        fps_graph.draw()
        cpu_graph.draw()
        graph.pop_view()

        # render GUI
        g_pool.gui.update()

        #render the ROI
        if g_pool.display_mode == 'roi':
            u_r.draw(g_pool.gui.scale)

        #update screen
        glfwSwapBuffers(main_window)
        glfwPollEvents()


    # END while running

    # in case eye recording was still runnnig: Save&close
    if writer:
        logger.info("Done recording eye.")
        writer = None
        np.save(timestamps_path,np.asarray(timestamps))


    # save session persistent settings
    session_settings['gui_scale'] = g_pool.gui.scale
    session_settings['roi'] = u_r.get()
    session_settings['flip'] = g_pool.flip
    session_settings['display_mode'] = g_pool.display_mode
    session_settings['ui_config'] = g_pool.gui.configuration
    session_settings['capture_settings'] = g_pool.capture.settings
    session_settings['window_size'] = glfwGetWindowSize(main_window)
    session_settings['window_position'] = glfwGetWindowPos(main_window)
    session_settings['version'] = g_pool.version
    session_settings.close()

    pupil_detector.cleanup()
    glfwDestroyWindow(main_window)
    glfwTerminate()
    cap.close()

    #flushing queue in case world process did not exit gracefully
    while not g_pool.pupil_queue.empty():
        g_pool.pupil_queue.get()
    g_pool.pupil_queue.close()

    logger.debug("Process done")
Ejemplo n.º 15
0
Archivo: main.py Proyecto: elmorg/pupil
def session(rec_dir):

    # Callback functions
    def on_resize(window, w, h):
        g_pool.gui.update_window(w, h)
        g_pool.gui.collect_menus()
        graph.adjust_size(w, h)
        adjust_gl_view(w, h)
        for p in g_pool.plugins:
            p.on_window_resize(window, w, h)

    def on_key(window, key, scancode, action, mods):
        g_pool.gui.update_key(key, scancode, action, mods)

    def on_char(window, char):
        g_pool.gui.update_char(char)

    def on_button(window, button, action, mods):
        g_pool.gui.update_button(button, action, mods)
        pos = glfwGetCursorPos(window)
        pos = normalize(pos, glfwGetWindowSize(window))
        pos = denormalize(
            pos,
            (frame.img.shape[1], frame.img.shape[0]))  # Position in img pixels
        for p in g_pool.plugins:
            p.on_click(pos, button, action)

    def on_pos(window, x, y):
        hdpi_factor = float(
            glfwGetFramebufferSize(window)[0] / glfwGetWindowSize(window)[0])
        g_pool.gui.update_mouse(x * hdpi_factor, y * hdpi_factor)

    def on_scroll(window, x, y):
        g_pool.gui.update_scroll(x, y * y_scroll_factor)

    def on_drop(window, count, paths):
        for x in range(count):
            new_rec_dir = paths[x]
            if is_pupil_rec_dir(new_rec_dir):
                logger.debug("Starting new session with '%s'" % new_rec_dir)
                global rec_dir
                rec_dir = new_rec_dir
                glfwSetWindowShouldClose(window, True)
            else:
                logger.error("'%s' is not a valid pupil recording" %
                             new_rec_dir)

    tick = delta_t()

    def get_dt():
        return next(tick)

    video_path = [
        f for f in glob(os.path.join(rec_dir, "world.*"))
        if f[-3:] in ('mp4', 'mkv', 'avi')
    ][0]
    timestamps_path = os.path.join(rec_dir, "world_timestamps.npy")
    pupil_data_path = os.path.join(rec_dir, "pupil_data")

    #parse info.csv file
    meta_info_path = os.path.join(rec_dir, "info.csv")
    with open(meta_info_path) as info:
        meta_info = dict(
            ((line.strip().split('\t')) for line in info.readlines()))

    rec_version = read_rec_version(meta_info)
    if rec_version >= VersionFormat('0.5'):
        pass
    elif rec_version >= VersionFormat('0.4'):
        update_recording_0v4_to_current(rec_dir)
    elif rec_version >= VersionFormat('0.3'):
        update_recording_0v3_to_current(rec_dir)
        timestamps_path = os.path.join(rec_dir, "timestamps.npy")

    else:
        logger.Error("This recording is to old. Sorry.")
        return

    # Initialize capture
    cap = File_Capture(video_path, timestamps=timestamps_path)

    # load session persistent settings
    session_settings = Persistent_Dict(os.path.join(user_dir, "user_settings"))
    if session_settings.get("version",
                            VersionFormat('0.0')) < get_version(version_file):
        logger.info(
            "Session setting are from older version of this app. I will not use those."
        )
        session_settings.clear()

    width, height = session_settings.get('window_size', cap.frame_size)
    window_pos = session_settings.get('window_position', (0, 0))
    main_window = glfwCreateWindow(
        width, height, "Pupil Player: " + meta_info["Recording Name"] + " - " +
        rec_dir.split(os.path.sep)[-1], None, None)
    glfwSetWindowPos(main_window, window_pos[0], window_pos[1])
    glfwMakeContextCurrent(main_window)
    cygl.utils.init()

    # load pupil_positions, gaze_positions
    pupil_data = load_object(pupil_data_path)
    pupil_list = pupil_data['pupil_positions']
    gaze_list = pupil_data['gaze_positions']

    # create container for globally scoped vars
    g_pool = Global_Container()
    g_pool.app = 'player'
    g_pool.version = get_version(version_file)
    g_pool.capture = cap
    g_pool.timestamps = np.load(timestamps_path)
    g_pool.play = False
    g_pool.new_seek = True
    g_pool.user_dir = user_dir
    g_pool.rec_dir = rec_dir
    g_pool.rec_version = rec_version
    g_pool.meta_info = meta_info
    g_pool.pupil_positions_by_frame = correlate_data(pupil_list,
                                                     g_pool.timestamps)
    g_pool.gaze_positions_by_frame = correlate_data(gaze_list,
                                                    g_pool.timestamps)
    g_pool.fixations_by_frame = [[] for x in g_pool.timestamps
                                 ]  #populated by the fixation detector plugin

    def next_frame(_):
        try:
            cap.seek_to_frame(cap.get_frame_index())
        except FileSeekError:
            pass
        g_pool.new_seek = True

    def prev_frame(_):
        try:
            cap.seek_to_frame(cap.get_frame_index() - 2)
        except FileSeekError:
            pass
        g_pool.new_seek = True

    def set_scale(new_scale):
        g_pool.gui.scale = new_scale
        g_pool.gui.collect_menus()

    def open_plugin(plugin):
        if plugin == "Select to load":
            return
        g_pool.plugins.add(plugin)

    def purge_plugins():
        for p in g_pool.plugins:
            if p.__class__ in user_launchable_plugins:
                p.alive = False
        g_pool.plugins.clean()

    g_pool.gui = ui.UI()
    g_pool.gui.scale = session_settings.get('gui_scale', 1)
    g_pool.main_menu = ui.Growing_Menu("Settings",
                                       pos=(-350, 20),
                                       size=(300, 400))
    g_pool.main_menu.append(
        ui.Button("Close Pupil Player",
                  lambda: glfwSetWindowShouldClose(main_window, True)))
    g_pool.main_menu.append(
        ui.Slider('scale',
                  g_pool.gui,
                  setter=set_scale,
                  step=.05,
                  min=0.75,
                  max=2.5,
                  label='Interface Size'))
    g_pool.main_menu.append(ui.Info_Text('Player Version: %s' %
                                         g_pool.version))
    g_pool.main_menu.append(ui.Info_Text('Recording Version: %s' %
                                         rec_version))
    g_pool.main_menu.append(
        ui.Selector('Open plugin',
                    selection=user_launchable_plugins,
                    labels=[
                        p.__name__.replace('_', ' ')
                        for p in user_launchable_plugins
                    ],
                    setter=open_plugin,
                    getter=lambda: "Select to load"))
    g_pool.main_menu.append(ui.Button('Close all plugins', purge_plugins))
    g_pool.main_menu.append(
        ui.Button(
            'Reset window size', lambda: glfwSetWindowSize(
                main_window, cap.frame_size[0], cap.frame_size[1])))
    g_pool.quickbar = ui.Stretching_Menu('Quick Bar', (0, 100), (120, -100))
    g_pool.play_button = ui.Thumb('play',
                                  g_pool,
                                  label='Play',
                                  hotkey=GLFW_KEY_SPACE)
    g_pool.play_button.on_color[:] = (0, 1., .0, .8)
    g_pool.forward_button = ui.Thumb('forward',
                                     getter=lambda: False,
                                     setter=next_frame,
                                     hotkey=GLFW_KEY_RIGHT)
    g_pool.backward_button = ui.Thumb('backward',
                                      getter=lambda: False,
                                      setter=prev_frame,
                                      hotkey=GLFW_KEY_LEFT)
    g_pool.quickbar.extend(
        [g_pool.play_button, g_pool.forward_button, g_pool.backward_button])
    g_pool.gui.append(g_pool.quickbar)
    g_pool.gui.append(g_pool.main_menu)

    #we always load these plugins
    system_plugins = [('Trim_Marks', {}), ('Seek_Bar', {})]
    default_plugins = [('Log_Display', {}), ('Scan_Path', {}),
                       ('Vis_Polyline', {}), ('Vis_Circle', {}),
                       ('Export_Launcher', {})]
    previous_plugins = session_settings.get('loaded_plugins', default_plugins)
    g_pool.notifications = []
    g_pool.plugins = Plugin_List(g_pool, plugin_by_name,
                                 system_plugins + previous_plugins)

    for p in g_pool.plugins:
        if p.class_name == 'Trim_Marks':
            g_pool.trim_marks = p
            break

    # Register callbacks main_window
    glfwSetFramebufferSizeCallback(main_window, on_resize)
    glfwSetKeyCallback(main_window, on_key)
    glfwSetCharCallback(main_window, on_char)
    glfwSetMouseButtonCallback(main_window, on_button)
    glfwSetCursorPosCallback(main_window, on_pos)
    glfwSetScrollCallback(main_window, on_scroll)
    glfwSetDropCallback(main_window, on_drop)
    #trigger on_resize
    on_resize(main_window, *glfwGetFramebufferSize(main_window))

    g_pool.gui.configuration = session_settings.get('ui_config', {})

    # gl_state settings
    basic_gl_setup()
    g_pool.image_tex = Named_Texture()

    #set up performace graphs:
    pid = os.getpid()
    ps = psutil.Process(pid)
    ts = cap.get_timestamp() - .03

    cpu_graph = graph.Bar_Graph()
    cpu_graph.pos = (20, 110)
    cpu_graph.update_fn = ps.cpu_percent
    cpu_graph.update_rate = 5
    cpu_graph.label = 'CPU %0.1f'

    fps_graph = graph.Bar_Graph()
    fps_graph.pos = (140, 110)
    fps_graph.update_rate = 5
    fps_graph.label = "%0.0f REC FPS"

    pupil_graph = graph.Bar_Graph(max_val=1.0)
    pupil_graph.pos = (260, 110)
    pupil_graph.update_rate = 5
    pupil_graph.label = "Confidence: %0.2f"

    while not glfwWindowShouldClose(main_window):

        #grab new frame
        if g_pool.play or g_pool.new_seek:
            g_pool.new_seek = False
            try:
                new_frame = cap.get_frame_nowait()
            except EndofVideoFileError:
                #end of video logic: pause at last frame.
                g_pool.play = False
            update_graph = True
        else:
            update_graph = False

        frame = new_frame.copy()
        events = {}
        #report time between now and the last loop interation
        events['dt'] = get_dt()
        #new positons we make a deepcopy just like the image is a copy.
        events['gaze_positions'] = deepcopy(
            g_pool.gaze_positions_by_frame[frame.index])
        events['pupil_positions'] = deepcopy(
            g_pool.pupil_positions_by_frame[frame.index])

        if update_graph:
            #update performace graphs
            for p in events['pupil_positions']:
                pupil_graph.add(p['confidence'])

            t = new_frame.timestamp
            if ts != t:
                dt, ts = t - ts, t
            fps_graph.add(1. / dt)

            g_pool.play_button.status_text = str(frame.index)
        #always update the CPU graph
        cpu_graph.update()

        # notify each plugin if there are new notifactions:
        while g_pool.notifications:
            n = g_pool.notifications.pop(0)
            for p in g_pool.plugins:
                p.on_notify(n)

        # allow each Plugin to do its work.
        for p in g_pool.plugins:
            p.update(frame, events)

        #check if a plugin need to be destroyed
        g_pool.plugins.clean()

        # render camera image
        glfwMakeContextCurrent(main_window)
        make_coord_system_norm_based()
        g_pool.image_tex.update_from_frame(frame)
        g_pool.image_tex.draw()
        make_coord_system_pixel_based(frame.img.shape)
        # render visual feedback from loaded plugins
        for p in g_pool.plugins:
            p.gl_display()

        graph.push_view()
        fps_graph.draw()
        cpu_graph.draw()
        pupil_graph.draw()
        graph.pop_view()
        g_pool.gui.update()

        #present frames at appropriate speed
        cap.wait(frame)

        glfwSwapBuffers(main_window)
        glfwPollEvents()

    session_settings['loaded_plugins'] = g_pool.plugins.get_initializers()
    session_settings['gui_scale'] = g_pool.gui.scale
    session_settings['ui_config'] = g_pool.gui.configuration
    session_settings['window_size'] = glfwGetWindowSize(main_window)
    session_settings['window_position'] = glfwGetWindowPos(main_window)
    session_settings['version'] = g_pool.version
    session_settings.close()

    # de-init all running plugins
    for p in g_pool.plugins:
        p.alive = False
    g_pool.plugins.clean()

    cap.close()
    g_pool.gui.terminate()
    glfwDestroyWindow(main_window)
Ejemplo n.º 16
0
def world(pupil_queue, timebase, lauchner_pipe, eye_pipes, eyes_are_alive,
          user_dir, version, cap_src):
    """world
    Creates a window, gl context.
    Grabs images from a capture.
    Receives Pupil coordinates from eye process[es]
    Can run various plug-ins.
    """

    import logging
    # Set up root logger for this process before doing imports of logged modules.
    logger = logging.getLogger()
    logger.setLevel(logging.INFO)
    # create file handler which logs even debug messages
    fh = logging.FileHandler(os.path.join(user_dir, 'world.log'), mode='w')
    fh.setLevel(logger.level)
    # create console handler with a higher log level
    ch = logging.StreamHandler()
    ch.setLevel(logger.level + 10)
    # create formatter and add it to the handlers
    formatter = logging.Formatter(
        'World Process: %(asctime)s - %(name)s - %(levelname)s - %(message)s')
    fh.setFormatter(formatter)
    formatter = logging.Formatter(
        'WORLD Process [%(levelname)s] %(name)s : %(message)s')
    ch.setFormatter(formatter)
    # add the handlers to the logger
    logger.addHandler(fh)
    logger.addHandler(ch)
    #silence noisy modules
    logging.getLogger("OpenGL").setLevel(logging.ERROR)
    logging.getLogger("libav").setLevel(logging.ERROR)
    # create logger for the context of this function
    logger = logging.getLogger(__name__)

    # We deferr the imports becasue of multiprocessing.
    # Otherwise the world process each process also loads the other imports.
    # This is not harmfull but unnessasary.

    #general imports
    from time import time
    import numpy as np

    #display
    import glfw
    from pyglui import ui, graph, cygl
    from pyglui.cygl.utils import Named_Texture
    from gl_utils import basic_gl_setup, adjust_gl_view, clear_gl_screen, make_coord_system_pixel_based, make_coord_system_norm_based

    #check versions for our own depedencies as they are fast-changing
    from pyglui import __version__ as pyglui_version
    assert pyglui_version >= '0.8'

    #monitoring
    import psutil

    # helpers/utils
    from file_methods import Persistent_Dict
    from methods import normalize, denormalize, delta_t
    from video_capture import autoCreateCapture, FileCaptureError, EndofVideoFileError, CameraCaptureError
    from version_utils import VersionFormat
    import audio

    # Plug-ins
    from plugin import Plugin_List, import_runtime_plugins
    from calibration_routines import calibration_plugins, gaze_mapping_plugins
    from recorder import Recorder
    from show_calibration import Show_Calibration
    from display_recent_gaze import Display_Recent_Gaze
    from pupil_server import Pupil_Server
    from pupil_sync import Pupil_Sync
    from marker_detector import Marker_Detector
    from log_display import Log_Display
    from annotations import Annotation_Capture
    # create logger for the context of this function

    #UI Platform tweaks
    if platform.system() == 'Linux':
        scroll_factor = 10.0
        window_position_default = (0, 0)
    elif platform.system() == 'Windows':
        scroll_factor = 1.0
        window_position_default = (8, 31)
    else:
        scroll_factor = 1.0
        window_position_default = (0, 0)

    #g_pool holds variables for this process
    g_pool = Global_Container()

    # make some constants avaiable
    g_pool.user_dir = user_dir
    g_pool.version = version
    g_pool.app = 'capture'
    g_pool.pupil_queue = pupil_queue
    g_pool.timebase = timebase
    # g_pool.lauchner_pipe = lauchner_pipe
    g_pool.eye_pipes = eye_pipes
    g_pool.eyes_are_alive = eyes_are_alive

    #manage plugins
    runtime_plugins = import_runtime_plugins(
        os.path.join(g_pool.user_dir, 'plugins'))
    user_launchable_plugins = [
        Show_Calibration, Pupil_Server, Pupil_Sync, Marker_Detector,
        Annotation_Capture
    ] + runtime_plugins
    system_plugins = [Log_Display, Display_Recent_Gaze, Recorder]
    plugin_by_index = system_plugins + user_launchable_plugins + calibration_plugins + gaze_mapping_plugins
    name_by_index = [p.__name__ for p in plugin_by_index]
    plugin_by_name = dict(zip(name_by_index, plugin_by_index))
    default_plugins = [('Log_Display', {}), ('Dummy_Gaze_Mapper', {}),
                       ('Display_Recent_Gaze', {}),
                       ('Screen_Marker_Calibration', {}), ('Recorder', {})]

    # Callback functions
    def on_resize(window, w, h):
        if not g_pool.iconified:
            g_pool.gui.update_window(w, h)
            g_pool.gui.collect_menus()
            graph.adjust_size(w, h)
            adjust_gl_view(w, h)
            for p in g_pool.plugins:
                p.on_window_resize(window, w, h)

    def on_iconify(window, iconified):
        g_pool.iconified = iconified

    def on_key(window, key, scancode, action, mods):
        g_pool.gui.update_key(key, scancode, action, mods)

    def on_char(window, char):
        g_pool.gui.update_char(char)

    def on_button(window, button, action, mods):
        g_pool.gui.update_button(button, action, mods)
        pos = glfw.glfwGetCursorPos(window)
        pos = normalize(pos, glfw.glfwGetWindowSize(main_window))
        pos = denormalize(
            pos,
            (frame.img.shape[1], frame.img.shape[0]))  # Position in img pixels
        for p in g_pool.plugins:
            p.on_click(pos, button, action)

    def on_pos(window, x, y):
        hdpi_factor = float(
            glfw.glfwGetFramebufferSize(window)[0] /
            glfw.glfwGetWindowSize(window)[0])
        x, y = x * hdpi_factor, y * hdpi_factor
        g_pool.gui.update_mouse(x, y)

    def on_scroll(window, x, y):
        g_pool.gui.update_scroll(x, y * scroll_factor)

    tick = delta_t()

    def get_dt():
        return next(tick)

    # load session persistent settings
    session_settings = Persistent_Dict(
        os.path.join(g_pool.user_dir, 'user_settings_world'))
    if session_settings.get("version", VersionFormat('0.0')) < g_pool.version:
        logger.info(
            "Session setting are from older version of this app. I will not use those."
        )
        session_settings.clear()

    # Initialize capture
    cap = autoCreateCapture(cap_src, timebase=g_pool.timebase)
    default_settings = {'frame_size': (1280, 720), 'frame_rate': 30}
    previous_settings = session_settings.get('capture_settings', None)
    if previous_settings and previous_settings['name'] == cap.name:
        cap.settings = previous_settings
    else:
        cap.settings = default_settings

    # Test capture
    try:
        frame = cap.get_frame()
    except CameraCaptureError:
        logger.error("Could not retrieve image from capture")
        cap.close()
        lauchner_pipe.send("Exit")
        return

    g_pool.iconified = False
    g_pool.capture = cap
    g_pool.pupil_confidence_threshold = session_settings.get(
        'pupil_confidence_threshold', .6)
    g_pool.detection_mapping_mode = session_settings.get(
        'detection_mapping_mode', '2d')
    g_pool.active_calibration_plugin = None

    audio.audio_mode = session_settings.get('audio_mode',
                                            audio.default_audio_mode)

    def open_plugin(plugin):
        if plugin == "Select to load":
            return
        g_pool.plugins.add(plugin)

    def set_scale(new_scale):
        g_pool.gui.scale = new_scale
        g_pool.gui.collect_menus()

    def launch_eye_process(eye_id, blocking=False):
        if eyes_are_alive[eye_id].value:
            logger.error("Eye%s process already running." % eye_id)
            return
        lauchner_pipe.send(eye_id)
        eye_pipes[eye_id].send(
            ('Set_Detection_Mapping_Mode', g_pool.detection_mapping_mode))

        if blocking:
            #wait for ready message from eye to sequentialize startup
            eye_pipes[eye_id].send('Ping')
            eye_pipes[eye_id].recv()

        logger.warning('Eye %s process started.' % eye_id)

    def stop_eye_process(eye_id, blocking=False):
        if eyes_are_alive[eye_id].value:
            eye_pipes[eye_id].send('Exit')
            if blocking:
                raise NotImplementedError()

    def start_stop_eye(eye_id, make_alive):
        if make_alive:
            launch_eye_process(eye_id)
        else:
            stop_eye_process(eye_id)

    def set_detection_mapping_mode(new_mode):
        if new_mode == '2d':
            for p in g_pool.plugins:
                if "Vector_Gaze_Mapper" in p.class_name:
                    logger.warning(
                        "The gaze mapper is not supported in 2d mode. Please recalibrate."
                    )
                    p.alive = False
            g_pool.plugins.clean()
        for alive, pipe in zip(g_pool.eyes_are_alive, g_pool.eye_pipes):
            if alive.value:
                pipe.send(('Set_Detection_Mapping_Mode', new_mode))
        g_pool.detection_mapping_mode = new_mode

    #window and gl setup
    glfw.glfwInit()
    width, height = session_settings.get('window_size',
                                         (frame.width, frame.height))
    main_window = glfw.glfwCreateWindow(width, height, "World")
    window_pos = session_settings.get('window_position',
                                      window_position_default)
    glfw.glfwSetWindowPos(main_window, window_pos[0], window_pos[1])
    glfw.glfwMakeContextCurrent(main_window)
    cygl.utils.init()
    g_pool.main_window = main_window

    #setup GUI
    g_pool.gui = ui.UI()
    g_pool.gui.scale = session_settings.get('gui_scale', 1)
    g_pool.sidebar = ui.Scrolling_Menu("Settings",
                                       pos=(-350, 0),
                                       size=(0, 0),
                                       header_pos='left')
    general_settings = ui.Growing_Menu('General')
    general_settings.append(
        ui.Slider('scale',
                  g_pool.gui,
                  setter=set_scale,
                  step=.05,
                  min=1.,
                  max=2.5,
                  label='Interface size'))
    general_settings.append(
        ui.Button(
            'Reset window size', lambda: glfw.glfwSetWindowSize(
                main_window, frame.width, frame.height)))
    general_settings.append(
        ui.Selector('audio_mode', audio, selection=audio.audio_modes))
    general_settings.append(
        ui.Selector('detection_mapping_mode',
                    g_pool,
                    label='detection & mapping mode',
                    setter=set_detection_mapping_mode,
                    selection=['2d', '3d']))
    general_settings.append(
        ui.Switch('eye0_process',
                  label='Detect eye 0',
                  setter=lambda alive: start_stop_eye(0, alive),
                  getter=lambda: eyes_are_alive[0].value))
    general_settings.append(
        ui.Switch('eye1_process',
                  label='Detect eye 1',
                  setter=lambda alive: start_stop_eye(1, alive),
                  getter=lambda: eyes_are_alive[1].value))
    general_settings.append(
        ui.Selector('Open plugin',
                    selection=user_launchable_plugins,
                    labels=[
                        p.__name__.replace('_', ' ')
                        for p in user_launchable_plugins
                    ],
                    setter=open_plugin,
                    getter=lambda: "Select to load"))
    general_settings.append(
        ui.Slider('pupil_confidence_threshold',
                  g_pool,
                  step=.01,
                  min=0.,
                  max=1.,
                  label='Minimum pupil confidence'))
    general_settings.append(
        ui.Info_Text('Capture Version: %s' % g_pool.version))
    g_pool.sidebar.append(general_settings)

    g_pool.calibration_menu = ui.Growing_Menu('Calibration')
    g_pool.sidebar.append(g_pool.calibration_menu)
    g_pool.gui.append(g_pool.sidebar)
    g_pool.quickbar = ui.Stretching_Menu('Quick Bar', (0, 100), (120, -100))
    g_pool.gui.append(g_pool.quickbar)
    g_pool.capture.init_gui(g_pool.sidebar)

    #plugins that are loaded based on user settings from previous session
    g_pool.notifications = []
    g_pool.delayed_notifications = {}
    g_pool.plugins = Plugin_List(
        g_pool, plugin_by_name,
        session_settings.get('loaded_plugins', default_plugins))

    #We add the calibration menu selector, after a calibration has been added:
    g_pool.calibration_menu.insert(
        0,
        ui.Selector(
            'active_calibration_plugin',
            getter=lambda: g_pool.active_calibration_plugin.__class__,
            selection=calibration_plugins,
            labels=[p.__name__.replace('_', ' ') for p in calibration_plugins],
            setter=open_plugin,
            label='Method'))

    # Register callbacks main_window
    glfw.glfwSetFramebufferSizeCallback(main_window, on_resize)
    glfw.glfwSetWindowIconifyCallback(main_window, on_iconify)
    glfw.glfwSetKeyCallback(main_window, on_key)
    glfw.glfwSetCharCallback(main_window, on_char)
    glfw.glfwSetMouseButtonCallback(main_window, on_button)
    glfw.glfwSetCursorPosCallback(main_window, on_pos)
    glfw.glfwSetScrollCallback(main_window, on_scroll)

    # gl_state settings
    basic_gl_setup()
    g_pool.image_tex = Named_Texture()
    g_pool.image_tex.update_from_frame(frame)
    # refresh speed settings
    glfw.glfwSwapInterval(0)

    #trigger setup of window and gl sizes
    on_resize(main_window, *glfw.glfwGetFramebufferSize(main_window))

    #now the we have  aproper window we can load the last gui configuration
    g_pool.gui.configuration = session_settings.get('ui_config', {})

    #set up performace graphs:
    pid = os.getpid()
    ps = psutil.Process(pid)
    ts = frame.timestamp

    cpu_graph = graph.Bar_Graph()
    cpu_graph.pos = (20, 130)
    cpu_graph.update_fn = ps.cpu_percent
    cpu_graph.update_rate = 5
    cpu_graph.label = 'CPU %0.1f'

    fps_graph = graph.Bar_Graph()
    fps_graph.pos = (140, 130)
    fps_graph.update_rate = 5
    fps_graph.label = "%0.0f FPS"

    pupil_graph = graph.Bar_Graph(max_val=1.0)
    pupil_graph.pos = (260, 130)
    pupil_graph.update_rate = 5
    pupil_graph.label = "Confidence: %0.2f"

    if session_settings.get('eye1_process_alive', False):
        launch_eye_process(1, blocking=True)
    if session_settings.get('eye0_process_alive', True):
        launch_eye_process(0, blocking=False)

    # Event loop
    while not glfw.glfwWindowShouldClose(main_window):

        # Get an image from the grabber
        try:
            frame = cap.get_frame()
        except CameraCaptureError:
            logger.error("Capture from camera failed. Stopping.")
            break
        except EndofVideoFileError:
            logger.warning("Video file is done. Stopping")
            break

        #update performace graphs
        t = frame.timestamp
        dt, ts = t - ts, t
        try:
            fps_graph.add(1. / dt)
        except ZeroDivisionError:
            pass
        cpu_graph.update()

        #a dictionary that allows plugins to post and read events
        events = {}

        #report time between now and the last loop interation
        events['dt'] = get_dt()

        #receive and map pupil positions
        recent_pupil_positions = []
        while not g_pool.pupil_queue.empty():
            p = g_pool.pupil_queue.get()
            recent_pupil_positions.append(p)
            pupil_graph.add(p['confidence'])
        events['pupil_positions'] = recent_pupil_positions

        # publish delayed notifiactions when their time has come.
        for n in g_pool.delayed_notifications.values():
            if n['_notify_time_'] < time():
                del n['_notify_time_']
                del g_pool.delayed_notifications[n['subject']]
                g_pool.notifications.append(n)

        # notify each plugin if there are new notifications:
        while g_pool.notifications:
            n = g_pool.notifications.pop(0)
            for p in g_pool.plugins:
                p.on_notify(n)

        # allow each Plugin to do its work.
        for p in g_pool.plugins:
            p.update(frame, events)

        #check if a plugin need to be destroyed
        g_pool.plugins.clean()

        # render camera image
        glfw.glfwMakeContextCurrent(main_window)
        if g_pool.iconified:
            pass
        else:
            g_pool.image_tex.update_from_frame(frame)

        make_coord_system_norm_based()
        g_pool.image_tex.draw()
        make_coord_system_pixel_based((frame.height, frame.width, 3))
        # render visual feedback from loaded plugins
        for p in g_pool.plugins:
            p.gl_display()

        if not g_pool.iconified:
            graph.push_view()
            fps_graph.draw()
            cpu_graph.draw()
            pupil_graph.draw()
            graph.pop_view()
            g_pool.gui.update()
            glfw.glfwSwapBuffers(main_window)
        glfw.glfwPollEvents()

    glfw.glfwRestoreWindow(main_window)  #need to do this for windows os
    session_settings['loaded_plugins'] = g_pool.plugins.get_initializers()
    session_settings[
        'pupil_confidence_threshold'] = g_pool.pupil_confidence_threshold
    session_settings['gui_scale'] = g_pool.gui.scale
    session_settings['ui_config'] = g_pool.gui.configuration
    session_settings['capture_settings'] = g_pool.capture.settings
    session_settings['window_size'] = glfw.glfwGetWindowSize(main_window)
    session_settings['window_position'] = glfw.glfwGetWindowPos(main_window)
    session_settings['version'] = g_pool.version
    session_settings['eye0_process_alive'] = eyes_are_alive[0].value
    session_settings['eye1_process_alive'] = eyes_are_alive[1].value
    session_settings['detection_mapping_mode'] = g_pool.detection_mapping_mode
    session_settings['audio_mode'] = audio.audio_mode
    session_settings.close()

    # de-init all running plugins
    for p in g_pool.plugins:
        p.alive = False
    g_pool.plugins.clean()
    g_pool.gui.terminate()
    glfw.glfwDestroyWindow(main_window)
    glfw.glfwTerminate()
    cap.close()

    #shut down eye processes:
    stop_eye_process(0)
    stop_eye_process(1)

    #shut down laucher
    lauchner_pipe.send("Exit")

    logger.debug("world process done")
Ejemplo n.º 17
0
def eye(timebase, is_alive_flag, ipc_pub_url, ipc_sub_url,ipc_push_url, user_dir, version, eye_id,overwrite_cap_settings=None):
    """reads eye video and detects the pupil.

    Creates a window, gl context.
    Grabs images from a capture.
    Streams Pupil coordinates.

    Reacts to notifications:
       ``set_detection_mapping_mode``: Sets detection method
       ``eye_process.should_stop``: Stops the eye process
       ``recording.started``: Starts recording eye video
       ``recording.stopped``: Stops recording eye video
       ``frame_publishing.started``: Starts frame publishing
       ``frame_publishing.stopped``: Stops frame publishing

    Emits notifications:
        ``eye_process.started``: Eye process started
        ``eye_process.stopped``: Eye process stopped

    Emits data:
        ``pupil.<eye id>``: Pupil data for eye with id ``<eye id>``
        ``frame.eye.<eye id>``: Eye frames with id ``<eye id>``
    """


    # We deferr the imports becasue of multiprocessing.
    # Otherwise the world process each process also loads the other imports.
    import zmq
    import zmq_tools
    zmq_ctx = zmq.Context()
    ipc_socket = zmq_tools.Msg_Dispatcher(zmq_ctx,ipc_push_url)
    pupil_socket = zmq_tools.Msg_Streamer(zmq_ctx,ipc_pub_url)
    notify_sub = zmq_tools.Msg_Receiver(zmq_ctx,ipc_sub_url,topics=("notify",))

    with Is_Alive_Manager(is_alive_flag,ipc_socket,eye_id):

        #logging setup
        import logging
        logging.getLogger("OpenGL").setLevel(logging.ERROR)
        logger = logging.getLogger()
        logger.handlers = []
        logger.addHandler(zmq_tools.ZMQ_handler(zmq_ctx,ipc_push_url))
        # create logger for the context of this function
        logger = logging.getLogger(__name__)

        #general imports
        import numpy as np
        import cv2

        #display
        import glfw
        from pyglui import ui,graph,cygl
        from pyglui.cygl.utils import draw_points, RGBA, draw_polyline, Named_Texture, Sphere
        import OpenGL.GL as gl
        from gl_utils import basic_gl_setup,adjust_gl_view, clear_gl_screen ,make_coord_system_pixel_based,make_coord_system_norm_based, make_coord_system_eye_camera_based,is_window_visible
        from ui_roi import UIRoi
        #monitoring
        import psutil
        import math


        # helpers/utils
        from uvc import get_time_monotonic, StreamError
        from file_methods import Persistent_Dict
        from version_utils import VersionFormat
        from methods import normalize, denormalize, Roi, timer
        from av_writer import JPEG_Writer,AV_Writer

        from video_capture import InitialisationError,StreamError, Fake_Source,EndofVideoFileError, source_classes, manager_classes
        source_by_name = {src.class_name():src for src in source_classes}

        # Pupil detectors
        from pupil_detectors import Detector_2D, Detector_3D
        pupil_detectors = {Detector_2D.__name__:Detector_2D,Detector_3D.__name__:Detector_3D}



        #UI Platform tweaks
        if platform.system() == 'Linux':
            scroll_factor = 10.0
            window_position_default = (600,300*eye_id)
        elif platform.system() == 'Windows':
            scroll_factor = 1.0
            window_position_default = (600,31+300*eye_id)
        else:
            scroll_factor = 1.0
            window_position_default = (600,300*eye_id)


        #g_pool holds variables for this process
        g_pool = Global_Container()

        # make some constants avaiable
        g_pool.user_dir = user_dir
        g_pool.version = version
        g_pool.app = 'capture'
        g_pool.timebase = timebase

        g_pool.ipc_pub = ipc_socket

        def get_timestamp():
            return get_time_monotonic()-g_pool.timebase.value
        g_pool.get_timestamp = get_timestamp
        g_pool.get_now = get_time_monotonic

        # Callback functions
        def on_resize(window,w, h):
            if is_window_visible(window):
                active_window = glfw.glfwGetCurrentContext()
                glfw.glfwMakeContextCurrent(window)
                g_pool.gui.update_window(w,h)
                graph.adjust_size(w,h)
                adjust_gl_view(w,h)
                glfw.glfwMakeContextCurrent(active_window)

        def on_key(window, key, scancode, action, mods):
            g_pool.gui.update_key(key,scancode,action,mods)

        def on_char(window,char):
            g_pool.gui.update_char(char)

        def on_iconify(window,iconified):
            g_pool.iconified = iconified

        def on_button(window,button, action, mods):
            if g_pool.display_mode == 'roi':
                if action == glfw.GLFW_RELEASE and g_pool.u_r.active_edit_pt:
                    g_pool.u_r.active_edit_pt = False
                    return # if the roi interacts we dont what the gui to interact as well
                elif action == glfw.GLFW_PRESS:
                    pos = glfw.glfwGetCursorPos(window)
                    pos = normalize(pos,glfw.glfwGetWindowSize(main_window))
                    if g_pool.flip:
                        pos = 1-pos[0],1-pos[1]
                    pos = denormalize(pos,(frame.width,frame.height)) # Position in img pixels
                    if g_pool.u_r.mouse_over_edit_pt(pos,g_pool.u_r.handle_size+40,g_pool.u_r.handle_size+40):
                        return # if the roi interacts we dont what the gui to interact as well

            g_pool.gui.update_button(button,action,mods)



        def on_pos(window,x, y):
            hdpi_factor = float(glfw.glfwGetFramebufferSize(window)[0]/glfw.glfwGetWindowSize(window)[0])
            g_pool.gui.update_mouse(x*hdpi_factor,y*hdpi_factor)

            if g_pool.u_r.active_edit_pt:
                pos = normalize((x,y),glfw.glfwGetWindowSize(main_window))
                if g_pool.flip:
                    pos = 1-pos[0],1-pos[1]
                pos = denormalize(pos,(frame.width,frame.height) )
                g_pool.u_r.move_vertex(g_pool.u_r.active_pt_idx,pos)

        def on_scroll(window,x,y):
            g_pool.gui.update_scroll(x,y*scroll_factor)

        # load session persistent settings
        session_settings = Persistent_Dict(os.path.join(g_pool.user_dir,'user_settings_eye%s'%eye_id))
        if session_settings.get("version",VersionFormat('0.0')) < g_pool.version:
            logger.info("Session setting are from older version of this app. I will not use those.")
            session_settings.clear()

        capture_manager_settings = session_settings.get(
            'capture_manager_settings', ('UVC_Manager',{}))

        if eye_id == 0:
            cap_src = ["Pupil Cam1 ID0","HD-6000","Integrated Camera","HD USB Camera","USB 2.0 Camera"]
        else:
            cap_src = ["Pupil Cam1 ID1","HD-6000","Integrated Camera"]

        # Initialize capture
        default_settings = {
            'source_class_name': 'UVC_Source',
            'preferred_names'  : cap_src,
            'frame_size': (640,480),
            'frame_rate': 90
        }
        settings = overwrite_cap_settings or session_settings.get('capture_settings', default_settings)
        try:
            cap = source_by_name[settings['source_class_name']](g_pool, **settings)
        except (KeyError,InitialisationError) as e:
            if isinstance(e,KeyError):
                logger.warning('Incompatible capture setting encountered. Falling back to fake source.')
            cap = Fake_Source(g_pool, **settings)

        g_pool.iconified = False
        g_pool.capture = cap
        g_pool.capture_manager = None
        g_pool.flip = session_settings.get('flip',False)
        g_pool.display_mode = session_settings.get('display_mode','camera_image')
        g_pool.display_mode_info_text = {'camera_image': "Raw eye camera image. This uses the least amount of CPU power",
                                    'roi': "Click and drag on the blue circles to adjust the region of interest. The region should be as small as possible, but large enough to capture all pupil movements.",
                                    'algorithm': "Algorithm display mode overlays a visualization of the pupil detection parameters on top of the eye video. Adjust parameters within the Pupil Detection menu below."}



        g_pool.u_r = UIRoi((g_pool.capture.frame_size[1],g_pool.capture.frame_size[0]))
        roi_user_settings = session_settings.get('roi')
        if roi_user_settings and roi_user_settings[-1] == g_pool.u_r.get()[-1]:
            g_pool.u_r.set(roi_user_settings)

        writer = None

        pupil_detector_settings = session_settings.get('pupil_detector_settings',None)
        last_pupil_detector = pupil_detectors[session_settings.get('last_pupil_detector',Detector_2D.__name__)]
        g_pool.pupil_detector = last_pupil_detector(g_pool,pupil_detector_settings)

        # UI callback functions
        def set_scale(new_scale):
            g_pool.gui.scale = new_scale
            g_pool.gui.collect_menus()


        def set_display_mode_info(val):
            g_pool.display_mode = val
            g_pool.display_mode_info.text = g_pool.display_mode_info_text[val]


        def set_detector(new_detector):
            g_pool.pupil_detector.cleanup()
            g_pool.pupil_detector = new_detector(g_pool)
            g_pool.pupil_detector.init_gui(g_pool.sidebar)


        # Initialize glfw
        glfw.glfwInit()
        title = "eye %s"%eye_id
        width,height = session_settings.get('window_size',g_pool.capture.frame_size)
        main_window = glfw.glfwCreateWindow(width,height, title, None, None)
        window_pos = session_settings.get('window_position',window_position_default)
        glfw.glfwSetWindowPos(main_window,window_pos[0],window_pos[1])
        glfw.glfwMakeContextCurrent(main_window)
        cygl.utils.init()

        # gl_state settings
        basic_gl_setup()
        g_pool.image_tex = Named_Texture()
        glfw.glfwSwapInterval(0)

        #setup GUI
        g_pool.gui = ui.UI()
        g_pool.gui.scale = session_settings.get('gui_scale',1)
        g_pool.sidebar = ui.Scrolling_Menu("Settings",pos=(-300,0),size=(0,0),header_pos='left')
        general_settings = ui.Growing_Menu('General')
        general_settings.append(ui.Slider('scale',g_pool.gui, setter=set_scale,step = .05,min=1.,max=2.5,label='Interface Size'))
        general_settings.append(ui.Button('Reset window size',lambda: glfw.glfwSetWindowSize(main_window,frame.width,frame.height)) )
        general_settings.append(ui.Switch('flip',g_pool,label='Flip image display'))
        general_settings.append(ui.Selector('display_mode',g_pool,setter=set_display_mode_info,selection=['camera_image','roi','algorithm'], labels=['Camera Image', 'ROI', 'Algorithm'], label="Mode") )
        g_pool.display_mode_info = ui.Info_Text(g_pool.display_mode_info_text[g_pool.display_mode])
        general_settings.append(g_pool.display_mode_info)
        g_pool.gui.append(g_pool.sidebar)
        detector_selector = ui.Selector('pupil_detector',getter = lambda: g_pool.pupil_detector.__class__ ,setter=set_detector,selection=[Detector_2D, Detector_3D],labels=['C++ 2d detector', 'C++ 3d detector'], label="Detection method")
        general_settings.append(detector_selector)

        g_pool.capture_selector_menu = ui.Growing_Menu('Capture Selection')
        g_pool.capture_source_menu = ui.Growing_Menu('Capture Source')
        g_pool.capture.init_gui()

        g_pool.sidebar.append(general_settings)
        g_pool.sidebar.append(g_pool.capture_selector_menu)
        g_pool.sidebar.append(g_pool.capture_source_menu)

        g_pool.pupil_detector.init_gui(g_pool.sidebar)

        manager_class_name, manager_settings = capture_manager_settings
        manager_class_by_name = {c.__name__:c for c in manager_classes}
        g_pool.capture_manager = manager_class_by_name[manager_class_name](g_pool,**manager_settings)
        g_pool.capture_manager.init_gui()

        def open_manager(manager_class):
            g_pool.capture_manager.cleanup()
            g_pool.capture_manager = manager_class(g_pool)
            g_pool.capture_manager.init_gui()

        #We add the capture selection menu, after a manager has been added:
        g_pool.capture_selector_menu.insert(0,ui.Selector(
            'capture_manager',g_pool,
            setter    = open_manager,
            getter    = lambda: g_pool.capture_manager.__class__,
            selection = manager_classes,
            labels    = [b.gui_name for b in manager_classes],
            label     = 'Manager'
        ))

        # Register callbacks main_window
        glfw.glfwSetFramebufferSizeCallback(main_window,on_resize)
        glfw.glfwSetWindowIconifyCallback(main_window,on_iconify)
        glfw.glfwSetKeyCallback(main_window,on_key)
        glfw.glfwSetCharCallback(main_window,on_char)
        glfw.glfwSetMouseButtonCallback(main_window,on_button)
        glfw.glfwSetCursorPosCallback(main_window,on_pos)
        glfw.glfwSetScrollCallback(main_window,on_scroll)

        #set the last saved window size
        on_resize(main_window, *glfw.glfwGetWindowSize(main_window))


        # load last gui configuration
        g_pool.gui.configuration = session_settings.get('ui_config',{})


        #set up performance graphs
        pid = os.getpid()
        ps = psutil.Process(pid)
        ts = g_pool.get_timestamp()

        cpu_graph = graph.Bar_Graph()
        cpu_graph.pos = (20,130)
        cpu_graph.update_fn = ps.cpu_percent
        cpu_graph.update_rate = 5
        cpu_graph.label = 'CPU %0.1f'

        fps_graph = graph.Bar_Graph()
        fps_graph.pos = (140,130)
        fps_graph.update_rate = 5
        fps_graph.label = "%0.0f FPS"

        should_publish_frames = False
        frame_publish_format = 'jpeg'

        #create a timer to control window update frequency
        window_update_timer = timer(1/60.)
        def window_should_update():
            return next(window_update_timer)

        logger.warning('Process started.')

        # Event loop
        while not glfw.glfwWindowShouldClose(main_window):

            if notify_sub.new_data:
                t,notification = notify_sub.recv()
                subject = notification['subject']
                if subject == 'eye_process.should_stop':
                    if notification['eye_id'] == eye_id:
                        break
                elif subject == 'set_detection_mapping_mode':
                    if notification['mode'] == '3d':
                        if not isinstance(g_pool.pupil_detector,Detector_3D):
                            set_detector(Detector_3D)
                        detector_selector.read_only  = True
                    else:
                        if not isinstance(g_pool.pupil_detector,Detector_2D):
                            set_detector(Detector_2D)
                        detector_selector.read_only = False
                elif subject == 'recording.started':
                    if notification['record_eye']:
                        record_path = notification['rec_path']
                        raw_mode = notification['compression']
                        logger.info("Will save eye video to: %s"%record_path)
                        timestamps_path = os.path.join(record_path, "eye%s_timestamps.npy"%eye_id)
                        if raw_mode and frame.jpeg_buffer:
                            video_path = os.path.join(record_path, "eye%s.mp4"%eye_id)
                            writer = JPEG_Writer(video_path,g_pool.capture.frame_rate)
                        else:
                            video_path = os.path.join(record_path, "eye%s.mp4"%eye_id)
                            writer = AV_Writer(video_path,g_pool.capture.frame_rate)
                        timestamps = []
                elif subject == 'recording.stopped':
                    if writer:
                        logger.info("Done recording.")
                        writer.release()
                        writer = None
                        np.save(timestamps_path,np.asarray(timestamps))
                        del timestamps
                elif subject.startswith('meta.should_doc'):
                    ipc_socket.notify({
                        'subject':'meta.doc',
                        'actor':'eye%i'%eye_id,
                        'doc':eye.__doc__
                        })
                elif subject.startswith('frame_publishing.started'):
                    should_publish_frames = True
                    frame_publish_format = notification.get('format','jpeg')
                elif subject.startswith('frame_publishing.stopped'):
                    should_publish_frames = False
                    frame_publish_format = 'jpeg'
                else:
                    g_pool.capture_manager.on_notify(notification)

            # Get an image from the grabber
            try:
                frame = g_pool.capture.get_frame()
            except StreamError as e:
                logger.error("Error getting frame. Stopping eye process.")
                logger.debug("Caught error: %s"%e)
                break
            except EndofVideoFileError:
                logger.warning("Video File is done. Stopping")
                g_pool.capture.seek_to_frame(0)
                frame = g_pool.capture.get_frame()

            g_pool.u_r = UIRoi((frame.height,frame.width))
            g_pool.capture_manager.update(frame, {})

            if should_publish_frames and frame.jpeg_buffer:
                if   frame_publish_format == "jpeg":
                    data = frame.jpeg_buffer
                elif frame_publish_format == "yuv":
                    data = frame.yuv_buffer
                elif frame_publish_format == "bgr":
                    data = frame.bgr
                elif frame_publish_format == "gray":
                    data = frame.gray
                pupil_socket.send('frame.eye.%s'%eye_id,{
                    'width': frame.width,
                    'height': frame.width,
                    'index': frame.index,
                    'timestamp': frame.timestamp,
                    'format': frame_publish_format,
                    '__raw_data__': [data]
                })


            #update performace graphs
            t = frame.timestamp
            dt,ts = t-ts,t
            try:
                fps_graph.add(1./dt)
            except ZeroDivisionError:
                pass
            cpu_graph.update()



            if writer:
                writer.write_video_frame(frame)
                timestamps.append(frame.timestamp)


            # pupil ellipse detection
            result = g_pool.pupil_detector.detect(frame, g_pool.u_r, g_pool.display_mode == 'algorithm')
            result['id'] = eye_id
            # stream the result
            pupil_socket.send('pupil.%s'%eye_id,result)

            # GL drawing
            if window_should_update():
                if is_window_visible(main_window):
                    glfw.glfwMakeContextCurrent(main_window)
                    clear_gl_screen()

                    # switch to work in normalized coordinate space
                    if g_pool.display_mode == 'algorithm':
                        g_pool.image_tex.update_from_ndarray(frame.img)
                    elif g_pool.display_mode in ('camera_image','roi'):
                        g_pool.image_tex.update_from_ndarray(frame.gray)
                    else:
                        pass

                    make_coord_system_norm_based(g_pool.flip)
                    g_pool.image_tex.draw()

                    window_size =  glfw.glfwGetWindowSize(main_window)
                    make_coord_system_pixel_based((frame.height,frame.width,3),g_pool.flip)
                    g_pool.capture.gl_display()

                    if result['method'] == '3d c++':

                        eye_ball = result['projected_sphere']
                        try:
                            pts = cv2.ellipse2Poly( (int(eye_ball['center'][0]),int(eye_ball['center'][1])),
                                                (int(eye_ball['axes'][0]/2),int(eye_ball['axes'][1]/2)),
                                                int(eye_ball['angle']),0,360,8)
                        except ValueError as e:
                            pass
                        else:
                            draw_polyline(pts,2,RGBA(0.,.9,.1,result['model_confidence']) )

                    if result['confidence'] >0:
                        if result.has_key('ellipse'):
                            pts = cv2.ellipse2Poly( (int(result['ellipse']['center'][0]),int(result['ellipse']['center'][1])),
                                            (int(result['ellipse']['axes'][0]/2),int(result['ellipse']['axes'][1]/2)),
                                            int(result['ellipse']['angle']),0,360,15)
                            confidence = result['confidence'] * 0.7 #scale it a little
                            draw_polyline(pts,1,RGBA(1.,0,0,confidence))
                            draw_points([result['ellipse']['center']],size=20,color=RGBA(1.,0.,0.,confidence),sharpness=1.)

                    # render graphs
                    graph.push_view()
                    fps_graph.draw()
                    cpu_graph.draw()
                    graph.pop_view()

                    # render GUI
                    g_pool.gui.update()

                    #render the ROI
                    g_pool.u_r.draw(g_pool.gui.scale)
                    if g_pool.display_mode == 'roi':
                        g_pool.u_r.draw_points(g_pool.gui.scale)

                    #update screen
                    glfw.glfwSwapBuffers(main_window)
                glfw.glfwPollEvents()
                g_pool.pupil_detector.visualize() #detector decides if we visualize or not


        # END while running

        # in case eye recording was still runnnig: Save&close
        if writer:
            logger.info("Done recording eye.")
            writer = None
            np.save(timestamps_path,np.asarray(timestamps))

        glfw.glfwRestoreWindow(main_window) #need to do this for windows os
        # save session persistent settings
        session_settings['gui_scale'] = g_pool.gui.scale
        session_settings['roi'] = g_pool.u_r.get()
        session_settings['flip'] = g_pool.flip
        session_settings['display_mode'] = g_pool.display_mode
        session_settings['ui_config'] = g_pool.gui.configuration
        session_settings['capture_settings'] = g_pool.capture.settings
        session_settings['capture_manager_settings'] = g_pool.capture_manager.class_name, g_pool.capture_manager.get_init_dict()
        session_settings['window_size'] = glfw.glfwGetWindowSize(main_window)
        session_settings['window_position'] = glfw.glfwGetWindowPos(main_window)
        session_settings['version'] = g_pool.version
        session_settings['last_pupil_detector'] = g_pool.pupil_detector.__class__.__name__
        session_settings['pupil_detector_settings'] = g_pool.pupil_detector.get_settings()
        session_settings.close()

        g_pool.capture.deinit_gui()
        g_pool.pupil_detector.cleanup()
        g_pool.gui.terminate()
        glfw.glfwDestroyWindow(main_window)
        glfw.glfwTerminate()
        g_pool.capture_manager.cleanup()
        g_pool.capture.cleanup()
        logger.info("Process shutting down.")
Ejemplo n.º 18
0
def world(g_pool,cap_src,cap_size):
    """world
    Creates a window, gl context.
    Grabs images from a capture.
    Receives Pupil coordinates from eye process[es]
    Can run various plug-ins.
    """

    #manage plugins
    runtime_plugins = import_runtime_plugins(os.path.join(g_pool.user_dir,'plugins'))
    user_launchable_plugins = [Show_Calibration,Pupil_Server,Pupil_Sync,Marker_Detector]+runtime_plugins
    system_plugins  = [Log_Display,Display_Recent_Gaze,Recorder]
    plugin_by_index =  system_plugins+user_launchable_plugins+calibration_plugins+gaze_mapping_plugins
    name_by_index = [p.__name__ for p in plugin_by_index]
    plugin_by_name = dict(zip(name_by_index,plugin_by_index))
    default_plugins = [('Log_Display',{}),('Dummy_Gaze_Mapper',{}),('Display_Recent_Gaze',{}), ('Screen_Marker_Calibration',{}),('Recorder',{})]



    # Callback functions
    def on_resize(window,w, h):
        if not g_pool.iconified:
            g_pool.gui.update_window(w,h)
            g_pool.gui.collect_menus()
            graph.adjust_size(w,h)
            adjust_gl_view(w,h)
            for p in g_pool.plugins:
                p.on_window_resize(window,w,h)

    def on_iconify(window,iconified):
        g_pool.iconified = iconified

    def on_key(window, key, scancode, action, mods):
        g_pool.gui.update_key(key,scancode,action,mods)

    def on_char(window,char):
        g_pool.gui.update_char(char)

    def on_button(window,button, action, mods):
        g_pool.gui.update_button(button,action,mods)
        pos = glfwGetCursorPos(window)
        pos = normalize(pos,glfwGetWindowSize(main_window))
        pos = denormalize(pos,(frame.img.shape[1],frame.img.shape[0]) ) # Position in img pixels
        for p in g_pool.plugins:
            p.on_click(pos,button,action)

    def on_pos(window,x, y):
        hdpi_factor = float(glfwGetFramebufferSize(window)[0]/glfwGetWindowSize(window)[0])
        x,y = x*hdpi_factor,y*hdpi_factor
        g_pool.gui.update_mouse(x,y)

    def on_scroll(window,x,y):
        g_pool.gui.update_scroll(x,y*scroll_factor)


    def on_close(window):
        g_pool.quit.value = True
        logger.info('Process closing from window')


    tick = delta_t()
    def get_dt():
        return next(tick)

    # load session persistent settings
    session_settings = Persistent_Dict(os.path.join(g_pool.user_dir,'user_settings_world'))
    if session_settings.get("version",VersionFormat('0.0')) < g_pool.version:
        logger.info("Session setting are from older version of this app. I will not use those.")
        session_settings.clear()

    # Initialize capture
    cap = autoCreateCapture(cap_src, timebase=g_pool.timebase)
    default_settings = {'frame_size':cap_size,'frame_rate':24}
    previous_settings = session_settings.get('capture_settings',None)
    if previous_settings and previous_settings['name'] == cap.name:
        cap.settings = previous_settings
    else:
        cap.settings = default_settings

    # Test capture
    try:
        frame = cap.get_frame()
    except CameraCaptureError:
        logger.error("Could not retrieve image from capture")
        cap.close()
        return


    # any object we attach to the g_pool object *from now on* will only be visible to this process!
    # vars should be declared here to make them visible to the code reader.
    g_pool.update_textures = session_settings.get("update_textures",2)
    g_pool.iconified = False

    g_pool.capture = cap
    g_pool.pupil_confidence_threshold = session_settings.get('pupil_confidence_threshold',.6)
    g_pool.active_calibration_plugin = None


    def open_plugin(plugin):
        if plugin ==  "Select to load":
            return
        g_pool.plugins.add(plugin)

    def set_scale(new_scale):
        g_pool.gui.scale = new_scale
        g_pool.gui.collect_menus()


    #window and gl setup
    glfwInit()
    width,height = session_settings.get('window_size',(frame.width, frame.height))
    main_window = glfwCreateWindow(width,height, "World")
    window_pos = session_settings.get('window_position',window_position_default)
    glfwSetWindowPos(main_window,window_pos[0],window_pos[1])
    glfwMakeContextCurrent(main_window)
    cygl.utils.init()

    #setup GUI
    g_pool.gui = ui.UI()
    g_pool.gui.scale = session_settings.get('gui_scale',1)
    g_pool.sidebar = ui.Scrolling_Menu("Settings",pos=(-350,0),size=(0,0),header_pos='left')
    general_settings = ui.Growing_Menu('General')
    general_settings.append(ui.Slider('scale',g_pool.gui, setter=set_scale,step = .05,min=1.,max=2.5,label='Interface size'))
    general_settings.append(ui.Button('Reset window size',lambda: glfwSetWindowSize(main_window,frame.width,frame.height)) )
    general_settings.append(ui.Selector('Open plugin', selection = user_launchable_plugins,
                                        labels = [p.__name__.replace('_',' ') for p in user_launchable_plugins],
                                        setter= open_plugin, getter=lambda: "Select to load"))
    g_pool.sidebar.append(general_settings)
    advanced_settings = ui.Growing_Menu('Advanced')
    advanced_settings.append(ui.Selector('update_textures',g_pool,label="Update display",selection=range(3),labels=('No update','Gray','Color')))
    advanced_settings.append(ui.Slider('pupil_confidence_threshold', g_pool,step = .01,min=0.,max=1.,label='Minimum pupil confidence'))
    advanced_settings.append(ui.Info_Text('Capture Version: %s'%g_pool.version))
    general_settings.append(advanced_settings)
    g_pool.calibration_menu = ui.Growing_Menu('Calibration')
    g_pool.calibration_menu.append(ui.Selector('active_calibration_plugin',getter=lambda: g_pool.active_calibration_plugin.__class__, selection = calibration_plugins,
                                        labels = [p.__name__.replace('_',' ') for p in calibration_plugins],
                                        setter= open_plugin,label='Method'))
    g_pool.sidebar.append(g_pool.calibration_menu)
    g_pool.gui.append(g_pool.sidebar)
    g_pool.quickbar = ui.Stretching_Menu('Quick Bar',(0,100),(120,-100))
    g_pool.gui.append(g_pool.quickbar)
    g_pool.gui.append(ui.Hot_Key("quit",setter=on_close,getter=lambda:True,label="X",hotkey=GLFW_KEY_ESCAPE))
    g_pool.capture.init_gui(g_pool.sidebar)

    #plugins that are loaded based on user settings from previous session
    g_pool.notifications = []
    g_pool.plugins = Plugin_List(g_pool,plugin_by_name,session_settings.get('loaded_plugins',default_plugins))


    # Register callbacks main_window
    glfwSetFramebufferSizeCallback(main_window,on_resize)
    glfwSetWindowCloseCallback(main_window,on_close)
    glfwSetWindowIconifyCallback(main_window,on_iconify)
    glfwSetKeyCallback(main_window,on_key)
    glfwSetCharCallback(main_window,on_char)
    glfwSetMouseButtonCallback(main_window,on_button)
    glfwSetCursorPosCallback(main_window,on_pos)
    glfwSetScrollCallback(main_window,on_scroll)

    # gl_state settings
    basic_gl_setup()
    g_pool.image_tex = create_named_texture(frame.img.shape)
    update_named_texture(g_pool.image_tex,frame.img)

    # refresh speed settings
    glfwSwapInterval(0)

    #trigger setup of window and gl sizes
    on_resize(main_window, *glfwGetFramebufferSize(main_window))

    #now the we have  aproper window we can load the last gui configuration
    g_pool.gui.configuration = session_settings.get('ui_config',{})



    #set up performace graphs:
    pid = os.getpid()
    ps = psutil.Process(pid)
    ts = frame.timestamp

    cpu_graph = graph.Bar_Graph()
    cpu_graph.pos = (20,130)
    cpu_graph.update_fn = ps.cpu_percent
    cpu_graph.update_rate = 5
    cpu_graph.label = 'CPU %0.1f'

    fps_graph = graph.Bar_Graph()
    fps_graph.pos = (140,130)
    fps_graph.update_rate = 5
    fps_graph.label = "%0.0f FPS"

    pupil_graph = graph.Bar_Graph(max_val=1.0)
    pupil_graph.pos = (260,130)
    pupil_graph.update_rate = 5
    pupil_graph.label = "Confidence: %0.2f"

    # Event loop
    while not g_pool.quit.value:

        # Get an image from the grabber
        try:
            frame = cap.get_frame()
        except CameraCaptureError:
            logger.error("Capture from camera failed. Stopping.")
            break
        except EndofVideoFileError:
            logger.warning("Video file is done. Stopping")
            break

        #update performace graphs
        t = frame.timestamp
        dt,ts = t-ts,t
        try:
            fps_graph.add(1./dt)
        except ZeroDivisionError:
            pass
        cpu_graph.update()


        #a dictionary that allows plugins to post and read events
        events = {}

        #report time between now and the last loop interation
        events['dt'] = get_dt()

        #receive and map pupil positions
        recent_pupil_positions = []
        while not g_pool.pupil_queue.empty():
            p = g_pool.pupil_queue.get()
            recent_pupil_positions.append(p)
            pupil_graph.add(p['confidence'])
        events['pupil_positions'] = recent_pupil_positions

        # notify each plugin if there are new notifactions:
        while g_pool.notifications:
            n = g_pool.notifications.pop(0)
            for p in g_pool.plugins:
                p.on_notify(n)

        # allow each Plugin to do its work.
        for p in g_pool.plugins:
            p.update(frame,events)

        #check if a plugin need to be destroyed
        g_pool.plugins.clean()

        # render camera image
        glfwMakeContextCurrent(main_window)
        if g_pool.iconified:
            pass
        elif g_pool.update_textures == 2:
            update_named_texture(g_pool.image_tex,frame.img)
        elif g_pool.update_textures == 1:
            update_named_texture(g_pool.image_tex,frame.gray)

        make_coord_system_norm_based()
        draw_named_texture(g_pool.image_tex)

        make_coord_system_pixel_based((frame.height,frame.width,3))
        # render visual feedback from loaded plugins
        for p in g_pool.plugins:
            p.gl_display()

        if not g_pool.iconified:
            graph.push_view()
            fps_graph.draw()
            cpu_graph.draw()
            pupil_graph.draw()
            graph.pop_view()
            g_pool.gui.update()
            glfwSwapBuffers(main_window)
        glfwPollEvents()

    glfwRestoreWindow(main_window) #need to do this for windows os
    session_settings['loaded_plugins'] = g_pool.plugins.get_initializers()
    session_settings['pupil_confidence_threshold'] = g_pool.pupil_confidence_threshold
    session_settings['gui_scale'] = g_pool.gui.scale
    session_settings['ui_config'] = g_pool.gui.configuration
    session_settings['capture_settings'] = g_pool.capture.settings
    session_settings['window_size'] = glfwGetWindowSize(main_window)
    session_settings['window_position'] = glfwGetWindowPos(main_window)
    session_settings['update_textures'] = g_pool.update_textures
    session_settings['version'] = g_pool.version
    session_settings.close()

    # de-init all running plugins
    for p in g_pool.plugins:
        p.alive = False
    g_pool.plugins.clean()
    g_pool.gui.terminate()
    glfwDestroyWindow(main_window)
    glfwTerminate()
    cap.close()

    logger.debug("Process done")
Ejemplo n.º 19
0
def world(g_pool,cap_src,cap_size):
    """world
    Creates a window, gl context.
    Grabs images from a capture.
    Receives Pupil coordinates from eye process[es]
    Can run various plug-ins.
    """

    #manage plugins
    runtime_plugins = import_runtime_plugins(os.path.join(g_pool.user_dir,'plugins'))
    user_launchable_plugins = [Show_Calibration,Pupil_Server,Pupil_Sync,Marker_Detector]+runtime_plugins
    system_plugins  = [Log_Display,Display_Recent_Gaze,Recorder]
    plugin_by_index =  system_plugins+user_launchable_plugins+calibration_plugins+gaze_mapping_plugins
    name_by_index = [p.__name__ for p in plugin_by_index]
    plugin_by_name = dict(zip(name_by_index,plugin_by_index))
    default_plugins = [('Log_Display',{}),('Dummy_Gaze_Mapper',{}),('Display_Recent_Gaze',{}), ('Screen_Marker_Calibration',{}),('Recorder',{})]



    # Callback functions
    def on_resize(window,w, h):
        if not g_pool.iconified:
            g_pool.gui.update_window(w,h)
            g_pool.gui.collect_menus()
            graph.adjust_size(w,h)
            adjust_gl_view(w,h)
            for p in g_pool.plugins:
                p.on_window_resize(window,w,h)

    def on_iconify(window,iconified):
        g_pool.iconified = iconified

    def on_key(window, key, scancode, action, mods):
        g_pool.gui.update_key(key,scancode,action,mods)

    def on_char(window,char):
        g_pool.gui.update_char(char)

    def on_button(window,button, action, mods):
        g_pool.gui.update_button(button,action,mods)
        pos = glfwGetCursorPos(window)
        pos = normalize(pos,glfwGetWindowSize(main_window))
        pos = denormalize(pos,(frame.img.shape[1],frame.img.shape[0]) ) # Position in img pixels
        for p in g_pool.plugins:
            p.on_click(pos,button,action)

    def on_pos(window,x, y):
        hdpi_factor = float(glfwGetFramebufferSize(window)[0]/glfwGetWindowSize(window)[0])
        x,y = x*hdpi_factor,y*hdpi_factor
        g_pool.gui.update_mouse(x,y)

    def on_scroll(window,x,y):
        g_pool.gui.update_scroll(x,y*scroll_factor)


    def on_close(window):
        g_pool.quit.value = True
        logger.info('Process closing from window')


    tick = delta_t()
    def get_dt():
        return next(tick)

    # load session persistent settings
    session_settings = Persistent_Dict(os.path.join(g_pool.user_dir,'user_settings_world'))
    if session_settings.get("version",VersionFormat('0.0')) < g_pool.version:
        logger.info("Session setting are from older version of this app. I will not use those.")
        session_settings.clear()

    # Initialize capture
    cap = autoCreateCapture(cap_src, timebase=g_pool.timebase)
    default_settings = {'frame_size':cap_size,'frame_rate':24}
    previous_settings = session_settings.get('capture_settings',None)
    if previous_settings and previous_settings['name'] == cap.name:
        cap.settings = previous_settings
    else:
        cap.settings = default_settings

    # Test capture
    try:
        frame = cap.get_frame()
    except CameraCaptureError:
        logger.error("Could not retrieve image from capture")
        cap.close()
        return


    # any object we attach to the g_pool object *from now on* will only be visible to this process!
    # vars should be declared here to make them visible to the code reader.
    g_pool.iconified = False

    g_pool.capture = cap
    g_pool.pupil_confidence_threshold = session_settings.get('pupil_confidence_threshold',.6)
    g_pool.active_calibration_plugin = None


    def open_plugin(plugin):
        if plugin ==  "Select to load":
            return
        g_pool.plugins.add(plugin)

    def set_scale(new_scale):
        g_pool.gui.scale = new_scale
        g_pool.gui.collect_menus()


    #window and gl setup
    glfwInit()
    width,height = session_settings.get('window_size',(frame.width, frame.height))
    main_window = glfwCreateWindow(width,height, "World")
    window_pos = session_settings.get('window_position',window_position_default)
    glfwSetWindowPos(main_window,window_pos[0],window_pos[1])
    glfwMakeContextCurrent(main_window)
    cygl.utils.init()

    #setup GUI
    g_pool.gui = ui.UI()
    g_pool.gui.scale = session_settings.get('gui_scale',1)
    g_pool.sidebar = ui.Scrolling_Menu("Settings",pos=(-350,0),size=(0,0),header_pos='left')
    general_settings = ui.Growing_Menu('General')
    general_settings.append(ui.Slider('scale',g_pool.gui, setter=set_scale,step = .05,min=1.,max=2.5,label='Interface size'))
    general_settings.append(ui.Button('Reset window size',lambda: glfwSetWindowSize(main_window,frame.width,frame.height)) )
    general_settings.append(ui.Selector('Open plugin', selection = user_launchable_plugins,
                                        labels = [p.__name__.replace('_',' ') for p in user_launchable_plugins],
                                        setter= open_plugin, getter=lambda: "Select to load"))
    general_settings.append(ui.Slider('pupil_confidence_threshold', g_pool,step = .01,min=0.,max=1.,label='Minimum pupil confidence'))
    general_settings.append(ui.Info_Text('Capture Version: %s'%g_pool.version))
    g_pool.sidebar.append(general_settings)

    g_pool.calibration_menu = ui.Growing_Menu('Calibration')
    g_pool.sidebar.append(g_pool.calibration_menu)
    g_pool.gui.append(g_pool.sidebar)
    g_pool.quickbar = ui.Stretching_Menu('Quick Bar',(0,100),(120,-100))
    g_pool.gui.append(g_pool.quickbar)
    g_pool.capture.init_gui(g_pool.sidebar)

    #plugins that are loaded based on user settings from previous session
    g_pool.notifications = []
    g_pool.delayed_notifications = {}
    g_pool.plugins = Plugin_List(g_pool,plugin_by_name,session_settings.get('loaded_plugins',default_plugins))

    #We add the calibration menu selector, after a calibration has been added:
    g_pool.calibration_menu.insert(0,ui.Selector('active_calibration_plugin',getter=lambda: g_pool.active_calibration_plugin.__class__, selection = calibration_plugins,
                                        labels = [p.__name__.replace('_',' ') for p in calibration_plugins],
                                        setter= open_plugin,label='Method'))

    # Register callbacks main_window
    glfwSetFramebufferSizeCallback(main_window,on_resize)
    glfwSetWindowCloseCallback(main_window,on_close)
    glfwSetWindowIconifyCallback(main_window,on_iconify)
    glfwSetKeyCallback(main_window,on_key)
    glfwSetCharCallback(main_window,on_char)
    glfwSetMouseButtonCallback(main_window,on_button)
    glfwSetCursorPosCallback(main_window,on_pos)
    glfwSetScrollCallback(main_window,on_scroll)

    # gl_state settings
    basic_gl_setup()
    g_pool.image_tex = Named_Texture()
    g_pool.image_tex.update_from_frame(frame)

    # refresh speed settings
    glfwSwapInterval(0)

    #trigger setup of window and gl sizes
    on_resize(main_window, *glfwGetFramebufferSize(main_window))

    #now the we have  aproper window we can load the last gui configuration
    g_pool.gui.configuration = session_settings.get('ui_config',{})



    #set up performace graphs:
    pid = os.getpid()
    ps = psutil.Process(pid)
    ts = frame.timestamp

    cpu_graph = graph.Bar_Graph()
    cpu_graph.pos = (20,130)
    cpu_graph.update_fn = ps.cpu_percent
    cpu_graph.update_rate = 5
    cpu_graph.label = 'CPU %0.1f'

    fps_graph = graph.Bar_Graph()
    fps_graph.pos = (140,130)
    fps_graph.update_rate = 5
    fps_graph.label = "%0.0f FPS"

    pupil_graph = graph.Bar_Graph(max_val=1.0)
    pupil_graph.pos = (260,130)
    pupil_graph.update_rate = 5
    pupil_graph.label = "Confidence: %0.2f"

    # Event loop
    while not g_pool.quit.value:

        # Get an image from the grabber
        try:
            frame = cap.get_frame()
        except CameraCaptureError:
            logger.error("Capture from camera failed. Stopping.")
            break
        except EndofVideoFileError:
            logger.warning("Video file is done. Stopping")
            break

        #update performace graphs
        t = frame.timestamp
        dt,ts = t-ts,t
        try:
            fps_graph.add(1./dt)
        except ZeroDivisionError:
            pass
        cpu_graph.update()


        #a dictionary that allows plugins to post and read events
        events = {}

        #report time between now and the last loop interation
        events['dt'] = get_dt()

        #receive and map pupil positions
        recent_pupil_positions = []
        while not g_pool.pupil_queue.empty():
            p = g_pool.pupil_queue.get()
            recent_pupil_positions.append(p)
            pupil_graph.add(p['confidence'])
        events['pupil_positions'] = recent_pupil_positions


        # publish delayed notifiactions when their time has come.
        for n in g_pool.delayed_notifications.values():
            if n['_notify_time_'] < time():
                del n['_notify_time_']
                del g_pool.delayed_notifications[n['subject']]
                g_pool.notifications.append(n)

        # notify each plugin if there are new notifications:
        while g_pool.notifications:
            n = g_pool.notifications.pop(0)
            for p in g_pool.plugins:
                p.on_notify(n)

        # allow each Plugin to do its work.
        for p in g_pool.plugins:
            p.update(frame,events)

        #check if a plugin need to be destroyed
        g_pool.plugins.clean()

        # render camera image
        glfwMakeContextCurrent(main_window)
        if g_pool.iconified:
            pass
        else:
            g_pool.image_tex.update_from_frame(frame)

        make_coord_system_norm_based()
        g_pool.image_tex.draw()
        make_coord_system_pixel_based((frame.height,frame.width,3))
        # render visual feedback from loaded plugins
        for p in g_pool.plugins:
            p.gl_display()

        if not g_pool.iconified:
            graph.push_view()
            fps_graph.draw()
            cpu_graph.draw()
            pupil_graph.draw()
            graph.pop_view()
            g_pool.gui.update()
            glfwSwapBuffers(main_window)
        glfwPollEvents()

    glfwRestoreWindow(main_window) #need to do this for windows os
    session_settings['loaded_plugins'] = g_pool.plugins.get_initializers()
    session_settings['pupil_confidence_threshold'] = g_pool.pupil_confidence_threshold
    session_settings['gui_scale'] = g_pool.gui.scale
    session_settings['ui_config'] = g_pool.gui.configuration
    session_settings['capture_settings'] = g_pool.capture.settings
    session_settings['window_size'] = glfwGetWindowSize(main_window)
    session_settings['window_position'] = glfwGetWindowPos(main_window)
    session_settings['version'] = g_pool.version
    session_settings.close()

    # de-init all running plugins
    for p in g_pool.plugins:
        p.alive = False
    g_pool.plugins.clean()
    g_pool.gui.terminate()
    glfwDestroyWindow(main_window)
    glfwTerminate()
    cap.close()

    logger.debug("Process done")
Ejemplo n.º 20
0
def eye(pupil_queue, timebase, pipe_to_world, is_alive_flag, user_dir, version,
        eye_id, cap_src):
    """
    Creates a window, gl context.
    Grabs images from a capture.
    Streams Pupil coordinates into g_pool.pupil_queue
    """
    is_alive = Is_Alive_Manager(is_alive_flag)
    with is_alive:
        import logging
        # Set up root logger for this process before doing imports of logged modules.
        logger = logging.getLogger()
        logger.setLevel(logging.INFO)
        # remove inherited handlers
        logger.handlers = []
        # create file handler which logs even debug messages
        fh = logging.FileHandler(os.path.join(user_dir, 'eye%s.log' % eye_id),
                                 mode='w')
        # fh.setLevel(logging.DEBUG)
        # create console handler with a higher log level
        ch = logging.StreamHandler()
        ch.setLevel(logger.level + 10)
        # create formatter and add it to the handlers
        formatter = logging.Formatter(
            'Eye' + str(eye_id) +
            ' Process: %(asctime)s - %(name)s - %(levelname)s - %(message)s')
        fh.setFormatter(formatter)
        formatter = logging.Formatter(
            'EYE' + str(eye_id) +
            ' Process [%(levelname)s] %(name)s : %(message)s')
        ch.setFormatter(formatter)
        # add the handlers to the logger
        logger.addHandler(fh)
        logger.addHandler(ch)
        #silence noisy modules
        logging.getLogger("OpenGL").setLevel(logging.ERROR)
        logging.getLogger("libav").setLevel(logging.ERROR)
        # create logger for the context of this function
        logger = logging.getLogger(__name__)

        # We deferr the imports becasue of multiprocessing.
        # Otherwise the world process each process also loads the other imports.

        #general imports
        import numpy as np
        import cv2

        #display
        import glfw
        from pyglui import ui, graph, cygl
        from pyglui.cygl.utils import draw_points, RGBA, draw_polyline, Named_Texture
        from OpenGL.GL import GL_LINE_LOOP
        from gl_utils import basic_gl_setup, adjust_gl_view, clear_gl_screen, make_coord_system_pixel_based, make_coord_system_norm_based
        from ui_roi import UIRoi
        #monitoring
        import psutil

        # helpers/utils
        from file_methods import Persistent_Dict
        from version_utils import VersionFormat
        from methods import normalize, denormalize, Roi, timer
        from video_capture import autoCreateCapture, FileCaptureError, EndofVideoFileError, CameraCaptureError
        from av_writer import JPEG_Writer, AV_Writer

        # Pupil detectors
        from pupil_detectors import Canny_Detector, Detector_2D, Detector_3D
        pupil_detectors = {
            Canny_Detector.__name__: Canny_Detector,
            Detector_2D.__name__: Detector_2D,
            Detector_3D.__name__: Detector_3D
        }

        #UI Platform tweaks
        if platform.system() == 'Linux':
            scroll_factor = 10.0
            window_position_default = (600, 300 * eye_id)
        elif platform.system() == 'Windows':
            scroll_factor = 1.0
            window_position_default = (600, 31 + 300 * eye_id)
        else:
            scroll_factor = 1.0
            window_position_default = (600, 300 * eye_id)

        #g_pool holds variables for this process
        g_pool = Global_Container()

        # make some constants avaiable
        g_pool.user_dir = user_dir
        g_pool.version = version
        g_pool.app = 'capture'
        g_pool.pupil_queue = pupil_queue
        g_pool.timebase = timebase

        # Callback functions
        def on_resize(window, w, h):
            if not g_pool.iconified:
                active_window = glfw.glfwGetCurrentContext()
                glfw.glfwMakeContextCurrent(window)
                g_pool.gui.update_window(w, h)
                graph.adjust_size(w, h)
                adjust_gl_view(w, h)
                glfw.glfwMakeContextCurrent(active_window)

        def on_key(window, key, scancode, action, mods):
            g_pool.gui.update_key(key, scancode, action, mods)

        def on_char(window, char):
            g_pool.gui.update_char(char)

        def on_iconify(window, iconified):
            g_pool.iconified = iconified

        def on_button(window, button, action, mods):
            if g_pool.display_mode == 'roi':
                if action == glfw.GLFW_RELEASE and g_pool.u_r.active_edit_pt:
                    g_pool.u_r.active_edit_pt = False
                    return  # if the roi interacts we dont what the gui to interact as well
                elif action == glfw.GLFW_PRESS:
                    pos = glfw.glfwGetCursorPos(window)
                    pos = normalize(pos, glfw.glfwGetWindowSize(main_window))
                    if g_pool.flip:
                        pos = 1 - pos[0], 1 - pos[1]
                    pos = denormalize(
                        pos,
                        (frame.width, frame.height))  # Position in img pixels
                    if g_pool.u_r.mouse_over_edit_pt(
                            pos, g_pool.u_r.handle_size + 40,
                            g_pool.u_r.handle_size + 40):
                        return  # if the roi interacts we dont what the gui to interact as well

            g_pool.gui.update_button(button, action, mods)

        def on_pos(window, x, y):
            hdpi_factor = float(
                glfw.glfwGetFramebufferSize(window)[0] /
                glfw.glfwGetWindowSize(window)[0])
            g_pool.gui.update_mouse(x * hdpi_factor, y * hdpi_factor)

            if g_pool.u_r.active_edit_pt:
                pos = normalize((x, y), glfw.glfwGetWindowSize(main_window))
                if g_pool.flip:
                    pos = 1 - pos[0], 1 - pos[1]
                pos = denormalize(pos, (frame.width, frame.height))
                g_pool.u_r.move_vertex(g_pool.u_r.active_pt_idx, pos)

        def on_scroll(window, x, y):
            g_pool.gui.update_scroll(x, y * scroll_factor)

        # load session persistent settings
        session_settings = Persistent_Dict(
            os.path.join(g_pool.user_dir, 'user_settings_eye%s' % eye_id))
        if session_settings.get("version",
                                VersionFormat('0.0')) < g_pool.version:
            logger.info(
                "Session setting are from older version of this app. I will not use those."
            )
            session_settings.clear()
        # Initialize capture
        cap = autoCreateCapture(cap_src, timebase=g_pool.timebase)
        default_settings = {'frame_size': (640, 480), 'frame_rate': 60}
        previous_settings = session_settings.get('capture_settings', None)
        if previous_settings and previous_settings['name'] == cap.name:
            cap.settings = previous_settings
        else:
            cap.settings = default_settings

        # Test capture
        try:
            frame = cap.get_frame()
        except CameraCaptureError:
            logger.error("Could not retrieve image from capture")
            cap.close()
            return

        #signal world that we are ready to go
        # pipe_to_world.send('eye%s process ready'%eye_id)

        # any object we attach to the g_pool object *from now on* will only be visible to this process!
        # vars should be declared here to make them visible to the code reader.
        g_pool.iconified = False
        g_pool.capture = cap
        g_pool.flip = session_settings.get('flip', False)
        g_pool.display_mode = session_settings.get('display_mode',
                                                   'camera_image')
        g_pool.display_mode_info_text = {
            'camera_image':
            "Raw eye camera image. This uses the least amount of CPU power",
            'roi':
            "Click and drag on the blue circles to adjust the region of interest. The region should be a small as possible but big enough to capture to pupil in its movements",
            'algorithm':
            "Algorithm display mode overlays a visualization of the pupil detection parameters on top of the eye video. Adjust parameters with in the Pupil Detection menu below."
        }

        g_pool.u_r = UIRoi(frame.img.shape)
        g_pool.u_r.set(session_settings.get('roi', g_pool.u_r.get()))

        def on_frame_size_change(new_size):
            g_pool.u_r = UIRoi((new_size[1], new_size[0]))

        cap.on_frame_size_change = on_frame_size_change

        writer = None

        pupil_detector_settings = session_settings.get(
            'pupil_detector_settings', None)
        last_pupil_detector = pupil_detectors[session_settings.get(
            'last_pupil_detector', Detector_2D.__name__)]
        g_pool.pupil_detector = last_pupil_detector(g_pool,
                                                    pupil_detector_settings)

        # UI callback functions
        def set_scale(new_scale):
            g_pool.gui.scale = new_scale
            g_pool.gui.collect_menus()

        def set_display_mode_info(val):
            g_pool.display_mode = val
            g_pool.display_mode_info.text = g_pool.display_mode_info_text[val]

        def set_detector(new_detector):
            g_pool.pupil_detector.cleanup()
            g_pool.pupil_detector = new_detector(g_pool)
            g_pool.pupil_detector.init_gui(g_pool.sidebar)

        # Initialize glfw
        glfw.glfwInit()
        title = "eye %s" % eye_id
        width, height = session_settings.get('window_size',
                                             (frame.width, frame.height))
        main_window = glfw.glfwCreateWindow(width, height, title, None, None)
        window_pos = session_settings.get('window_position',
                                          window_position_default)
        glfw.glfwSetWindowPos(main_window, window_pos[0], window_pos[1])
        glfw.glfwMakeContextCurrent(main_window)
        cygl.utils.init()

        # gl_state settings
        basic_gl_setup()
        g_pool.image_tex = Named_Texture()
        g_pool.image_tex.update_from_frame(frame)
        glfw.glfwSwapInterval(0)

        #setup GUI
        g_pool.gui = ui.UI()
        g_pool.gui.scale = session_settings.get('gui_scale', 1)
        g_pool.sidebar = ui.Scrolling_Menu("Settings",
                                           pos=(-300, 0),
                                           size=(0, 0),
                                           header_pos='left')
        general_settings = ui.Growing_Menu('General')
        general_settings.append(
            ui.Slider('scale',
                      g_pool.gui,
                      setter=set_scale,
                      step=.05,
                      min=1.,
                      max=2.5,
                      label='Interface Size'))
        general_settings.append(
            ui.Button(
                'Reset window size', lambda: glfw.glfwSetWindowSize(
                    main_window, frame.width, frame.height)))
        general_settings.append(
            ui.Switch('flip', g_pool, label='Flip image display'))
        general_settings.append(
            ui.Selector('display_mode',
                        g_pool,
                        setter=set_display_mode_info,
                        selection=['camera_image', 'roi', 'algorithm'],
                        labels=['Camera Image', 'ROI', 'Algorithm'],
                        label="Mode"))
        g_pool.display_mode_info = ui.Info_Text(
            g_pool.display_mode_info_text[g_pool.display_mode])
        general_settings.append(g_pool.display_mode_info)
        g_pool.sidebar.append(general_settings)
        g_pool.gui.append(g_pool.sidebar)
        detector_selector = ui.Selector(
            'pupil_detector',
            getter=lambda: g_pool.pupil_detector.__class__,
            setter=set_detector,
            selection=[Canny_Detector, Detector_2D, Detector_3D],
            labels=[
                'Python 2D detector', 'C++ 2d detector', 'C++ 3d detector'
            ],
            label="Detection method")
        general_settings.append(detector_selector)

        # let detector add its GUI
        g_pool.pupil_detector.init_gui(g_pool.sidebar)
        # let the camera add its GUI
        g_pool.capture.init_gui(g_pool.sidebar)

        # Register callbacks main_window
        glfw.glfwSetFramebufferSizeCallback(main_window, on_resize)
        glfw.glfwSetWindowIconifyCallback(main_window, on_iconify)
        glfw.glfwSetKeyCallback(main_window, on_key)
        glfw.glfwSetCharCallback(main_window, on_char)
        glfw.glfwSetMouseButtonCallback(main_window, on_button)
        glfw.glfwSetCursorPosCallback(main_window, on_pos)
        glfw.glfwSetScrollCallback(main_window, on_scroll)

        #set the last saved window size
        on_resize(main_window, *glfw.glfwGetWindowSize(main_window))

        # load last gui configuration
        g_pool.gui.configuration = session_settings.get('ui_config', {})

        #set up performance graphs
        pid = os.getpid()
        ps = psutil.Process(pid)
        ts = frame.timestamp

        cpu_graph = graph.Bar_Graph()
        cpu_graph.pos = (20, 130)
        cpu_graph.update_fn = ps.cpu_percent
        cpu_graph.update_rate = 5
        cpu_graph.label = 'CPU %0.1f'

        fps_graph = graph.Bar_Graph()
        fps_graph.pos = (140, 130)
        fps_graph.update_rate = 5
        fps_graph.label = "%0.0f FPS"

        #create a timer to control window update frequency
        window_update_timer = timer(1 / 60.)

        def window_should_update():
            return next(window_update_timer)

        # Event loop
        while not glfw.glfwWindowShouldClose(main_window):

            if pipe_to_world.poll():
                cmd = pipe_to_world.recv()
                if cmd == 'Exit':
                    break
                elif cmd == "Ping":
                    pipe_to_world.send("Pong")
                    command = None
                else:
                    command, payload = cmd
                if command == 'Set_Detection_Mapping_Mode':
                    if payload == '3d':
                        if not isinstance(g_pool.pupil_detector, Detector_3D):
                            set_detector(Detector_3D)
                        detector_selector.read_only = True
                    else:
                        set_detector(Detector_2D)
                        detector_selector.read_only = False

            else:
                command = None

            # Get an image from the grabber
            try:
                frame = cap.get_frame()
            except CameraCaptureError:
                logger.error("Capture from Camera Failed. Stopping.")
                break
            except EndofVideoFileError:
                logger.warning("Video File is done. Stopping")
                cap.seek_to_frame(0)
                frame = cap.get_frame()

            #update performace graphs
            t = frame.timestamp
            dt, ts = t - ts, t
            try:
                fps_graph.add(1. / dt)
            except ZeroDivisionError:
                pass
            cpu_graph.update()

            ###  RECORDING of Eye Video (on demand) ###
            # Setup variables and lists for recording
            if 'Rec_Start' == command:
                record_path, raw_mode = payload
                logger.info("Will save eye video to: %s" % record_path)
                timestamps_path = os.path.join(record_path,
                                               "eye%s_timestamps.npy" % eye_id)
                if raw_mode and frame.jpeg_buffer:
                    video_path = os.path.join(record_path,
                                              "eye%s.mp4" % eye_id)
                    writer = JPEG_Writer(video_path, cap.frame_rate)
                else:
                    video_path = os.path.join(record_path,
                                              "eye%s.mp4" % eye_id)
                    writer = AV_Writer(video_path, cap.frame_rate)
                timestamps = []
            elif 'Rec_Stop' == command:
                logger.info("Done recording.")
                writer.release()
                writer = None
                np.save(timestamps_path, np.asarray(timestamps))
                del timestamps

            if writer:
                writer.write_video_frame(frame)
                timestamps.append(frame.timestamp)

            # pupil ellipse detection
            result = g_pool.pupil_detector.detect(
                frame, g_pool.u_r, g_pool.display_mode == 'algorithm')
            result['id'] = eye_id
            # stream the result
            g_pool.pupil_queue.put(result)

            # GL drawing
            if window_should_update():
                if not g_pool.iconified:
                    glfw.glfwMakeContextCurrent(main_window)
                    clear_gl_screen()

                    # switch to work in normalized coordinate space
                    if g_pool.display_mode == 'algorithm':
                        g_pool.image_tex.update_from_ndarray(frame.img)
                    elif g_pool.display_mode in ('camera_image', 'roi'):
                        g_pool.image_tex.update_from_ndarray(frame.gray)
                    else:
                        pass

                    make_coord_system_norm_based(g_pool.flip)
                    g_pool.image_tex.draw()
                    # switch to work in pixel space
                    make_coord_system_pixel_based(
                        (frame.height, frame.width, 3), g_pool.flip)

                    if result['confidence'] > 0:
                        if result.has_key('ellipse'):
                            pts = cv2.ellipse2Poly(
                                (int(result['ellipse']['center'][0]),
                                 int(result['ellipse']['center'][1])),
                                (int(result['ellipse']['axes'][0] / 2),
                                 int(result['ellipse']['axes'][1] / 2)),
                                int(result['ellipse']['angle']), 0, 360, 15)
                            draw_polyline(pts, 1, RGBA(1., 0, 0, .5))
                        draw_points([result['ellipse']['center']],
                                    size=20,
                                    color=RGBA(1., 0., 0., .5),
                                    sharpness=1.)

                    # render graphs
                    graph.push_view()
                    fps_graph.draw()
                    cpu_graph.draw()
                    graph.pop_view()

                    # render GUI
                    g_pool.gui.update()

                    #render the ROI
                    if g_pool.display_mode == 'roi':
                        g_pool.u_r.draw(g_pool.gui.scale)

                    #update screen
                    glfw.glfwSwapBuffers(main_window)
                glfw.glfwPollEvents()
                g_pool.pupil_detector.visualize(
                )  #detector decides if we visualize or not

        # END while running

        # in case eye recording was still runnnig: Save&close
        if writer:
            logger.info("Done recording eye.")
            writer = None
            np.save(timestamps_path, np.asarray(timestamps))

        glfw.glfwRestoreWindow(main_window)  #need to do this for windows os
        # save session persistent settings
        session_settings['gui_scale'] = g_pool.gui.scale
        session_settings['roi'] = g_pool.u_r.get()
        session_settings['flip'] = g_pool.flip
        session_settings['display_mode'] = g_pool.display_mode
        session_settings['ui_config'] = g_pool.gui.configuration
        session_settings['capture_settings'] = g_pool.capture.settings
        session_settings['window_size'] = glfw.glfwGetWindowSize(main_window)
        session_settings['window_position'] = glfw.glfwGetWindowPos(
            main_window)
        session_settings['version'] = g_pool.version
        session_settings[
            'last_pupil_detector'] = g_pool.pupil_detector.__class__.__name__
        session_settings[
            'pupil_detector_settings'] = g_pool.pupil_detector.get_settings()
        session_settings.close()

        g_pool.pupil_detector.cleanup()
        g_pool.gui.terminate()
        glfw.glfwDestroyWindow(main_window)
        glfw.glfwTerminate()
        cap.close()

        logger.debug("Process done")
Ejemplo n.º 21
0
def world(g_pool, cap_src, cap_size):
    """world
    Creates a window, gl context.
    Grabs images from a capture.
    Receives Pupil coordinates from eye process[es]
    Can run various plug-ins.
    """

    # Callback functions
    def on_resize(window, w, h):
        active_window = glfwGetCurrentContext()
        glfwMakeContextCurrent(window)
        hdpi_factor = glfwGetFramebufferSize(window)[0] / glfwGetWindowSize(
            window)[0]
        w, h = w * hdpi_factor, h * hdpi_factor
        g_pool.gui.update_window(w, h)
        g_pool.gui.collect_menus()
        graph.adjust_size(w, h)
        adjust_gl_view(w, h)
        for p in g_pool.plugins:
            p.on_window_resize(window, w, h)

        glfwMakeContextCurrent(active_window)

    def on_iconify(window, iconfied):
        if not isinstance(cap, FakeCapture):
            g_pool.update_textures = not iconfied

    def on_key(window, key, scancode, action, mods):
        g_pool.gui.update_key(key, scancode, action, mods)

    def on_char(window, char):
        g_pool.gui.update_char(char)

    def on_button(window, button, action, mods):
        g_pool.gui.update_button(button, action, mods)
        pos = glfwGetCursorPos(window)
        pos = normalize(pos, glfwGetWindowSize(main_window))
        pos = denormalize(
            pos,
            (frame.img.shape[1], frame.img.shape[0]))  # Position in img pixels
        for p in g_pool.plugins:
            p.on_click(pos, button, action)

    def on_pos(window, x, y):
        hdpi_factor = float(
            glfwGetFramebufferSize(window)[0] / glfwGetWindowSize(window)[0])
        x, y = x * hdpi_factor, y * hdpi_factor
        g_pool.gui.update_mouse(x, y)

    def on_scroll(window, x, y):
        g_pool.gui.update_scroll(x, y * scroll_factor)

    def on_close(window):
        g_pool.quit.value = True
        logger.info('Process closing from window')

    # load session persistent settings
    session_settings = Persistent_Dict(
        os.path.join(g_pool.user_dir, 'user_settings_world'))

    # Initialize capture
    cap = autoCreateCapture(cap_src, cap_size, 24, timebase=g_pool.timebase)

    # Test capture
    try:
        frame = cap.get_frame()
    except CameraCaptureError:
        logger.error("Could not retrieve image from capture")
        cap.close()
        return

    # any object we attach to the g_pool object *from now on* will only be visible to this process!
    # vars should be declared here to make them visible to the code reader.
    g_pool.update_textures = 2

    if isinstance(cap, FakeCapture):
        g_pool.update_textures = 0
    g_pool.capture = cap
    g_pool.pupil_confidence_threshold = session_settings.get(
        'pupil_confidence_threshold', .6)
    g_pool.active_calibration_plugin = None

    #UI callback functions
    def reset_timebase():
        #the last frame from worldcam will be t0
        g_pool.timebase.value = g_pool.capture.get_now()
        logger.info(
            "New timebase set to %s all timestamps will count from here now." %
            g_pool.timebase.value)

    def set_calibration_plugin(new_calibration):
        g_pool.active_calibration_plugin = new_calibration
        new_plugin = new_calibration(g_pool)
        g_pool.plugins.add(new_plugin)

    def open_plugin(plugin):
        if plugin == "Select to load":
            return
        logger.debug('Open Plugin: %s' % plugin)
        new_plugin = plugin(g_pool)
        g_pool.plugins.add(new_plugin)

    def set_scale(new_scale):
        g_pool.gui.scale = new_scale
        g_pool.gui.collect_menus()

    def get_scale():
        return g_pool.gui.scale

    width, height = session_settings.get('window_size',
                                         (frame.width, frame.height))
    window_pos = session_settings.get('window_position',
                                      (0, 0))  # not yet using this one.

    # Initialize glfw
    glfwInit()
    main_window = glfwCreateWindow(width, height, "World", None, None)
    glfwMakeContextCurrent(main_window)
    cygl.utils.init()

    # Register callbacks main_window
    glfwSetWindowSizeCallback(main_window, on_resize)
    glfwSetWindowCloseCallback(main_window, on_close)
    glfwSetWindowIconifyCallback(main_window, on_iconify)
    glfwSetKeyCallback(main_window, on_key)
    glfwSetCharCallback(main_window, on_char)
    glfwSetMouseButtonCallback(main_window, on_button)
    glfwSetCursorPosCallback(main_window, on_pos)
    glfwSetScrollCallback(main_window, on_scroll)

    # gl_state settings
    basic_gl_setup()
    g_pool.image_tex = create_named_texture(frame.img.shape)
    update_named_texture(g_pool.image_tex, frame.img)

    # refresh speed settings
    glfwSwapInterval(0)

    glfwSetWindowPos(main_window, 0, 0)

    #setup GUI
    g_pool.gui = ui.UI()
    g_pool.gui.scale = session_settings.get('gui_scale', 1)
    g_pool.sidebar = ui.Scrolling_Menu("Settings",
                                       pos=(-250, 0),
                                       size=(0, 0),
                                       header_pos='left')
    g_pool.sidebar.configuration = session_settings.get('side_bar_config', {})
    general_settings = ui.Growing_Menu('General')
    general_settings.configuration = session_settings.get(
        'general_menu_config', {})
    general_settings.append(
        ui.Slider('scale',
                  setter=set_scale,
                  getter=get_scale,
                  step=.05,
                  min=1.,
                  max=2.5,
                  label='Interface size'))
    general_settings.append(
        ui.Button(
            'Reset window size',
            lambda: glfwSetWindowSize(main_window, frame.width, frame.height)))
    general_settings.append(
        ui.Selector('Open plugin',
                    selection=user_launchable_plugins,
                    labels=[
                        p.__name__.replace('_', ' ')
                        for p in user_launchable_plugins
                    ],
                    setter=open_plugin,
                    getter=lambda: "Select to load"))
    g_pool.sidebar.append(general_settings)
    advanced_settings = ui.Growing_Menu('Advanced')
    advanced_settings.configuration = session_settings.get(
        'advanced_menu_config', {'collapsed': True})
    advanced_settings.append(
        ui.Selector('update_textures',
                    g_pool,
                    label="Update display",
                    selection=range(3),
                    labels=('No update', 'Gray', 'Color')))
    advanced_settings.append(
        ui.Slider('pupil_confidence_threshold',
                  g_pool,
                  step=.01,
                  min=0.,
                  max=1.,
                  label='Minimum pupil confidence'))
    advanced_settings.append(ui.Button('Set timebase to 0', reset_timebase))
    advanced_settings.append(
        ui.Info_Text('Capture Version: %s' % g_pool.version))

    general_settings.append(advanced_settings)
    g_pool.calibration_menu = ui.Growing_Menu('Calibration')
    g_pool.calibration_menu.configuration = session_settings.get(
        'calibration_menu_config', {})
    g_pool.calibration_menu.append(
        ui.Selector(
            'active_calibration_plugin',
            g_pool,
            selection=calibration_plugins,
            labels=[p.__name__.replace('_', ' ') for p in calibration_plugins],
            setter=set_calibration_plugin,
            label='Method'))
    g_pool.sidebar.append(g_pool.calibration_menu)
    g_pool.gui.append(g_pool.sidebar)

    g_pool.quickbar = ui.Stretching_Menu('Quick Bar', (0, 100), (120, -100))
    g_pool.gui.append(g_pool.quickbar)
    g_pool.gui.append(
        ui.Hot_Key("quit",
                   setter=on_close,
                   getter=lambda: True,
                   label="X",
                   hotkey=GLFW_KEY_ESCAPE))

    g_pool.capture.init_gui(g_pool.sidebar)
    g_pool.capture.menu.configuration = session_settings.get(
        'capture_menu_config', {})

    #plugins that are loaded based on user settings from previous session
    g_pool.plugins = Plugin_List(
        g_pool, plugin_by_name,
        session_settings.get('loaded_plugins', default_plugins))

    #only needed for the gui to show the loaded calibration type
    for p in g_pool.plugins:
        if p.base_class_name == 'Calibration_Plugin':
            g_pool.active_calibration_plugin = p.__class__
            break

    on_resize(main_window, *glfwGetWindowSize(main_window))

    #set up performace graphs:
    pid = os.getpid()
    ps = psutil.Process(pid)
    ts = frame.timestamp

    cpu_graph = graph.Bar_Graph()
    cpu_graph.pos = (20, 130)
    cpu_graph.update_fn = ps.get_cpu_percent
    cpu_graph.update_rate = 5
    cpu_graph.label = 'CPU %0.1f'

    fps_graph = graph.Bar_Graph()
    fps_graph.pos = (140, 130)
    fps_graph.update_rate = 5
    fps_graph.label = "%0.0f FPS"

    pupil_graph = graph.Bar_Graph(max_val=1.0)
    pupil_graph.pos = (260, 130)
    pupil_graph.update_rate = 5
    pupil_graph.label = "Confidence: %0.2f"

    # Event loop
    while not g_pool.quit.value:

        # Get an image from the grabber
        try:
            frame = cap.get_frame()
        except CameraCaptureError:
            logger.error("Capture from camera failed. Stopping.")
            break
        except EndofVideoFileError:
            logger.warning("Video file is done. Stopping")
            break

        #update performace graphs
        t = frame.timestamp
        dt, ts = t - ts, t
        fps_graph.add(1. / dt)
        cpu_graph.update()

        #a dictionary that allows plugins to post and read events
        events = {}

        #receive and map pupil positions
        recent_pupil_positions = []
        while not g_pool.pupil_queue.empty():
            p = g_pool.pupil_queue.get()
            recent_pupil_positions.append(p)
            pupil_graph.add(p['confidence'])
        events['pupil_positions'] = recent_pupil_positions

        # allow each Plugin to do its work.
        for p in g_pool.plugins:
            p.update(frame, events)

        #check if a plugin need to be destroyed
        g_pool.plugins.clean()

        # render camera image
        glfwMakeContextCurrent(main_window)
        if g_pool.update_textures == 2:
            update_named_texture(g_pool.image_tex, frame.img)
        elif g_pool.update_textures == 1:
            update_named_texture(g_pool.image_tex, frame.gray)

        make_coord_system_norm_based()
        draw_named_texture(g_pool.image_tex)
        make_coord_system_pixel_based((frame.height, frame.width, 3))

        # render visual feedback from loaded plugins
        for p in g_pool.plugins:
            p.gl_display()

        graph.push_view()
        fps_graph.draw()
        cpu_graph.draw()
        pupil_graph.draw()
        graph.pop_view()
        g_pool.gui.update()
        glfwSwapBuffers(main_window)
        glfwPollEvents()

    session_settings['loaded_plugins'] = g_pool.plugins.get_initializers()
    session_settings[
        'pupil_confidence_threshold'] = g_pool.pupil_confidence_threshold
    session_settings['gui_scale'] = g_pool.gui.scale
    session_settings['side_bar_config'] = g_pool.sidebar.configuration
    session_settings['capture_menu_config'] = g_pool.capture.menu.configuration
    session_settings['general_menu_config'] = general_settings.configuration
    session_settings['advanced_menu_config'] = advanced_settings.configuration
    session_settings[
        'calibration_menu_config'] = g_pool.calibration_menu.configuration
    session_settings['window_size'] = glfwGetWindowSize(main_window)
    session_settings['window_position'] = glfwGetWindowPos(main_window)
    session_settings.close()

    # de-init all running plugins
    for p in g_pool.plugins:
        p.alive = False
    g_pool.plugins.clean()

    cap.close()
    glfwDestroyWindow(main_window)
    glfwTerminate()
    logger.debug("Process done")
Ejemplo n.º 22
0
def world(timebase, eyes_are_alive, ipc_pub_url, ipc_sub_url, ipc_push_url,
          user_dir, version):
    """Reads world video and runs plugins.

    Creates a window, gl context.
    Grabs images from a capture.
    Maps pupil to gaze data
    Can run various plug-ins.

    Reacts to notifications:
        ``set_detection_mapping_mode``
        ``eye_process.started``
        ``start_plugin``

    Emits notifications:
        ``eye_process.should_start``
        ``eye_process.should_stop``
        ``set_detection_mapping_mode``
        ``world_process.started``
        ``world_process.stopped``
        ``recording.should_stop``: Emits on camera failure
        ``launcher_process.should_stop``

    Emits data:
        ``gaze``: Gaze data from current gaze mapping plugin.``
        ``*``: any other plugin generated data in the events that it not [dt,pupil,gaze].
    """

    # We defer the imports because of multiprocessing.
    # Otherwise the world process each process also loads the other imports.
    # This is not harmful but unnecessary.

    #general imports
    from time import time, sleep
    import numpy as np
    import logging

    #networking
    import zmq
    import zmq_tools

    #zmq ipc setup
    zmq_ctx = zmq.Context()
    ipc_pub = zmq_tools.Msg_Dispatcher(zmq_ctx, ipc_push_url)
    gaze_pub = zmq_tools.Msg_Streamer(zmq_ctx, ipc_pub_url)
    pupil_sub = zmq_tools.Msg_Receiver(zmq_ctx,
                                       ipc_sub_url,
                                       topics=('pupil', ))
    notify_sub = zmq_tools.Msg_Receiver(zmq_ctx,
                                        ipc_sub_url,
                                        topics=('notify', ))

    #log setup
    logging.getLogger("OpenGL").setLevel(logging.ERROR)
    logger = logging.getLogger()
    logger.handlers = []
    logger.addHandler(zmq_tools.ZMQ_handler(zmq_ctx, ipc_push_url))
    # create logger for the context of this function
    logger = logging.getLogger(__name__)

    #display
    import glfw
    from pyglui import ui, graph, cygl, __version__ as pyglui_version
    assert pyglui_version >= '1.0'
    from pyglui.cygl.utils import Named_Texture
    from gl_utils import basic_gl_setup, adjust_gl_view, clear_gl_screen, make_coord_system_pixel_based, make_coord_system_norm_based, glFlush, is_window_visible

    #monitoring
    import psutil

    # helpers/utils
    from version_utils import VersionFormat
    from file_methods import Persistent_Dict
    from methods import normalize, denormalize, delta_t, get_system_info
    from uvc import get_time_monotonic
    logger.info('Application Version: %s' % version)
    logger.info('System Info: %s' % get_system_info())

    # video sources
    from video_capture import InitialisationError, StreamError, Fake_Source, EndofVideoFileError, source_classes, manager_classes
    source_by_name = {src.class_name(): src for src in source_classes}
    import audio

    #trigger pupil detector cpp build:
    import pupil_detectors
    del pupil_detectors

    # Plug-ins
    from plugin import Plugin, Plugin_List, import_runtime_plugins
    from calibration_routines import calibration_plugins, gaze_mapping_plugins
    from fixation_detector import Fixation_Detector_3D
    from recorder import Recorder
    from show_calibration import Show_Calibration
    from display_recent_gaze import Display_Recent_Gaze
    from time_sync import Time_Sync
    from pupil_remote import Pupil_Remote
    from pupil_groups import Pupil_Groups
    from surface_tracker import Surface_Tracker
    from log_display import Log_Display
    from annotations import Annotation_Capture
    from log_history import Log_History
    from frame_publisher import Frame_Publisher

    #UI Platform tweaks
    if platform.system() == 'Linux':
        scroll_factor = 10.0
        window_position_default = (0, 0)
    elif platform.system() == 'Windows':
        scroll_factor = 1.0
        window_position_default = (8, 31)
    else:
        scroll_factor = 1.0
        window_position_default = (0, 0)

    #g_pool holds variables for this process they are accesible to all plugins
    g_pool = Global_Container()
    g_pool.app = 'capture'
    g_pool.user_dir = user_dir
    g_pool.version = version
    g_pool.timebase = timebase
    g_pool.zmq_ctx = zmq_ctx
    g_pool.ipc_pub = ipc_pub
    g_pool.ipc_pub_url = ipc_pub_url
    g_pool.ipc_sub_url = ipc_sub_url
    g_pool.ipc_push_url = ipc_push_url
    g_pool.eyes_are_alive = eyes_are_alive

    def get_timestamp():
        return get_time_monotonic() - g_pool.timebase.value

    g_pool.get_timestamp = get_timestamp
    g_pool.get_now = get_time_monotonic

    #manage plugins
    runtime_plugins = import_runtime_plugins(
        os.path.join(g_pool.user_dir, 'plugins'))
    user_launchable_plugins = [
        Pupil_Groups, Frame_Publisher, Show_Calibration, Pupil_Remote,
        Time_Sync, Surface_Tracker, Annotation_Capture, Log_History,
        Fixation_Detector_3D
    ] + runtime_plugins
    system_plugins = [Log_Display, Display_Recent_Gaze, Recorder]
    plugin_by_index = system_plugins + user_launchable_plugins + calibration_plugins + gaze_mapping_plugins + manager_classes
    name_by_index = [p.__name__ for p in plugin_by_index]
    plugin_by_name = dict(zip(name_by_index, plugin_by_index))
    default_plugins = [('UVC_Manager', {}), ('Log_Display', {}),
                       ('Dummy_Gaze_Mapper', {}), ('Display_Recent_Gaze', {}),
                       ('Screen_Marker_Calibration', {}), ('Recorder', {}),
                       ('Pupil_Remote', {}), ('Fixation_Detector_3D', {})]

    # Callback functions
    def on_resize(window, w, h):
        if is_window_visible(window):
            g_pool.gui.update_window(w, h)
            g_pool.gui.collect_menus()
            graph.adjust_size(w, h)
            adjust_gl_view(w, h)
            for p in g_pool.plugins:
                p.on_window_resize(window, w, h)

    def on_iconify(window, iconified):
        g_pool.iconified = iconified

    def on_key(window, key, scancode, action, mods):
        g_pool.gui.update_key(key, scancode, action, mods)

    def on_char(window, char):
        g_pool.gui.update_char(char)

    def on_button(window, button, action, mods):
        g_pool.gui.update_button(button, action, mods)
        pos = glfw.glfwGetCursorPos(window)
        pos = normalize(pos, glfw.glfwGetWindowSize(main_window))
        pos = denormalize(
            pos,
            (frame.img.shape[1], frame.img.shape[0]))  # Position in img pixels
        for p in g_pool.plugins:
            p.on_click(pos, button, action)

    def on_pos(window, x, y):
        hdpi_factor = float(
            glfw.glfwGetFramebufferSize(window)[0] /
            glfw.glfwGetWindowSize(window)[0])
        x, y = x * hdpi_factor, y * hdpi_factor
        g_pool.gui.update_mouse(x, y)

    def on_scroll(window, x, y):
        g_pool.gui.update_scroll(x, y * scroll_factor)

    tick = delta_t()

    def get_dt():
        return next(tick)

    g_pool.on_frame_size_change = lambda new_size: None

    # load session persistent settings
    session_settings = Persistent_Dict(
        os.path.join(g_pool.user_dir, 'user_settings_world'))
    if session_settings.get("version", VersionFormat('0.0')) < g_pool.version:
        logger.info(
            "Session setting are from older version of this app. I will not use those."
        )
        session_settings.clear()

    # Initialize capture
    default_settings = {
        'source_class_name':
        'UVC_Source',
        'preferred_names': [
            "Pupil Cam1 ID2", "Logitech Camera", "(046d:081d)", "C510", "B525",
            "C525", "C615", "C920", "C930e"
        ],
        'frame_size': (1280, 720),
        'frame_rate':
        30
    }
    settings = session_settings.get('capture_settings', default_settings)
    try:
        cap = source_by_name[settings['source_class_name']](g_pool, **settings)
    except (KeyError, InitialisationError) as e:
        if isinstance(e, KeyError):
            logger.warning(
                'Incompatible capture setting encountered. Falling back to fake source.'
            )
        cap = Fake_Source(g_pool, **settings)

    g_pool.iconified = False
    g_pool.detection_mapping_mode = session_settings.get(
        'detection_mapping_mode', '3d')
    g_pool.active_calibration_plugin = None
    g_pool.active_gaze_mapping_plugin = None
    g_pool.capture = cap
    g_pool.capture_manager = None

    audio.audio_mode = session_settings.get('audio_mode',
                                            audio.default_audio_mode)

    def open_plugin(plugin):
        if plugin == "Select to load":
            return
        g_pool.plugins.add(plugin)

    def set_scale(new_scale):
        g_pool.gui.scale = new_scale
        g_pool.gui.collect_menus()

    def launch_eye_process(eye_id, delay=0):
        n = {
            'subject': 'eye_process.should_start.%s' % eye_id,
            'eye_id': eye_id,
            'delay': delay
        }
        ipc_pub.notify(n)

    def stop_eye_process(eye_id):
        n = {'subject': 'eye_process.should_stop', 'eye_id': eye_id}
        ipc_pub.notify(n)

    def start_stop_eye(eye_id, make_alive):
        if make_alive:
            launch_eye_process(eye_id)
        else:
            stop_eye_process(eye_id)

    def set_detection_mapping_mode(new_mode):
        n = {'subject': 'set_detection_mapping_mode', 'mode': new_mode}
        ipc_pub.notify(n)

    def handle_notifications(n):
        subject = n['subject']
        if subject == 'set_detection_mapping_mode':
            if n['mode'] == '2d':
                if "Vector_Gaze_Mapper" in g_pool.active_gaze_mapping_plugin.class_name:
                    logger.warning(
                        "The gaze mapper is not supported in 2d mode. Please recalibrate."
                    )
                    g_pool.plugins.add(plugin_by_name['Dummy_Gaze_Mapper'])
            g_pool.detection_mapping_mode = n['mode']
        elif subject == 'start_plugin':
            g_pool.plugins.add(plugin_by_name[n['name']],
                               args=n.get('args', {}))
        elif subject == 'eye_process.started':
            n = {
                'subject': 'set_detection_mapping_mode',
                'mode': g_pool.detection_mapping_mode
            }
            ipc_pub.notify(n)
        elif subject.startswith('meta.should_doc'):
            ipc_pub.notify({
                'subject': 'meta.doc',
                'actor': g_pool.app,
                'doc': world.__doc__
            })
            for p in g_pool.plugins:
                if p.on_notify.__doc__ and p.__class__.on_notify != Plugin.on_notify:
                    ipc_pub.notify({
                        'subject': 'meta.doc',
                        'actor': p.class_name,
                        'doc': p.on_notify.__doc__
                    })

    #window and gl setup
    glfw.glfwInit()
    width, height = session_settings.get('window_size', cap.frame_size)
    main_window = glfw.glfwCreateWindow(width, height, "World")
    window_pos = session_settings.get('window_position',
                                      window_position_default)
    glfw.glfwSetWindowPos(main_window, window_pos[0], window_pos[1])
    glfw.glfwMakeContextCurrent(main_window)
    cygl.utils.init()
    g_pool.main_window = main_window

    #setup GUI
    g_pool.gui = ui.UI()
    g_pool.gui.scale = session_settings.get('gui_scale', 1)
    g_pool.sidebar = ui.Scrolling_Menu("Settings",
                                       pos=(-350, 0),
                                       size=(0, 0),
                                       header_pos='left')
    general_settings = ui.Growing_Menu('General')
    general_settings.append(
        ui.Slider('scale',
                  g_pool.gui,
                  setter=set_scale,
                  step=.05,
                  min=1.,
                  max=2.5,
                  label='Interface size'))
    general_settings.append(
        ui.Button(
            'Reset window size', lambda: glfw.glfwSetWindowSize(
                main_window, frame.width, frame.height)))
    general_settings.append(
        ui.Selector('audio_mode', audio, selection=audio.audio_modes))
    general_settings.append(
        ui.Selector('detection_mapping_mode',
                    g_pool,
                    label='detection & mapping mode',
                    setter=set_detection_mapping_mode,
                    selection=['2d', '3d']))
    general_settings.append(
        ui.Switch('eye0_process',
                  label='Detect eye 0',
                  setter=lambda alive: start_stop_eye(0, alive),
                  getter=lambda: eyes_are_alive[0].value))
    general_settings.append(
        ui.Switch('eye1_process',
                  label='Detect eye 1',
                  setter=lambda alive: start_stop_eye(1, alive),
                  getter=lambda: eyes_are_alive[1].value))

    selector_label = "Select to load"
    labels = [p.__name__.replace('_', ' ') for p in user_launchable_plugins]
    user_launchable_plugins.insert(0, selector_label)
    labels.insert(0, selector_label)
    general_settings.append(
        ui.Selector('Open plugin',
                    selection=user_launchable_plugins,
                    labels=labels,
                    setter=open_plugin,
                    getter=lambda: selector_label))

    general_settings.append(
        ui.Info_Text('Capture Version: %s' % g_pool.version))

    g_pool.quickbar = ui.Stretching_Menu('Quick Bar', (0, 100), (120, -100))

    g_pool.capture_source_menu = ui.Growing_Menu('Capture Source')
    g_pool.capture.init_gui()

    g_pool.calibration_menu = ui.Growing_Menu('Calibration')
    g_pool.capture_selector_menu = ui.Growing_Menu('Capture Selection')

    g_pool.sidebar.append(general_settings)
    g_pool.sidebar.append(g_pool.capture_selector_menu)
    g_pool.sidebar.append(g_pool.capture_source_menu)
    g_pool.sidebar.append(g_pool.calibration_menu)

    g_pool.gui.append(g_pool.sidebar)
    g_pool.gui.append(g_pool.quickbar)

    #plugins that are loaded based on user settings from previous session
    g_pool.plugins = Plugin_List(
        g_pool, plugin_by_name,
        session_settings.get('loaded_plugins', default_plugins))

    #We add the calibration menu selector, after a calibration has been added:
    g_pool.calibration_menu.insert(
        0,
        ui.Selector(
            'active_calibration_plugin',
            getter=lambda: g_pool.active_calibration_plugin.__class__,
            selection=calibration_plugins,
            labels=[p.__name__.replace('_', ' ') for p in calibration_plugins],
            setter=open_plugin,
            label='Method'))

    #We add the capture selection menu, after a manager has been added:
    g_pool.capture_selector_menu.insert(
        0,
        ui.Selector('capture_manager',
                    setter=open_plugin,
                    getter=lambda: g_pool.capture_manager.__class__,
                    selection=manager_classes,
                    labels=[b.gui_name for b in manager_classes],
                    label='Manager'))

    # Register callbacks main_window
    glfw.glfwSetFramebufferSizeCallback(main_window, on_resize)
    glfw.glfwSetWindowIconifyCallback(main_window, on_iconify)
    glfw.glfwSetKeyCallback(main_window, on_key)
    glfw.glfwSetCharCallback(main_window, on_char)
    glfw.glfwSetMouseButtonCallback(main_window, on_button)
    glfw.glfwSetCursorPosCallback(main_window, on_pos)
    glfw.glfwSetScrollCallback(main_window, on_scroll)

    # gl_state settings
    basic_gl_setup()
    g_pool.image_tex = Named_Texture()
    # refresh speed settings
    glfw.glfwSwapInterval(0)

    #trigger setup of window and gl sizes
    on_resize(main_window, *glfw.glfwGetFramebufferSize(main_window))

    #now the we have  aproper window we can load the last gui configuration
    g_pool.gui.configuration = session_settings.get('ui_config', {})

    #set up performace graphs:
    pid = os.getpid()
    ps = psutil.Process(pid)
    ts = g_pool.get_timestamp()

    cpu_graph = graph.Bar_Graph()
    cpu_graph.pos = (20, 130)
    cpu_graph.update_fn = ps.cpu_percent
    cpu_graph.update_rate = 5
    cpu_graph.label = 'CPU %0.1f'

    fps_graph = graph.Bar_Graph()
    fps_graph.pos = (140, 130)
    fps_graph.update_rate = 5
    fps_graph.label = "%0.0f FPS"

    pupil0_graph = graph.Bar_Graph(max_val=1.0)
    pupil0_graph.pos = (260, 130)
    pupil0_graph.update_rate = 5
    pupil0_graph.label = "id0 conf: %0.2f"
    pupil1_graph = graph.Bar_Graph(max_val=1.0)
    pupil1_graph.pos = (380, 130)
    pupil1_graph.update_rate = 5
    pupil1_graph.label = "id1 conf: %0.2f"
    pupil_graphs = pupil0_graph, pupil1_graph

    if session_settings.get('eye1_process_alive', False):
        launch_eye_process(1, delay=0.6)
    if session_settings.get('eye0_process_alive', True):
        launch_eye_process(0, delay=0.3)

    ipc_pub.notify({'subject': 'world_process.started'})
    logger.warning('Process started.')

    # Event loop
    while not glfw.glfwWindowShouldClose(main_window):

        # fetch newest notifications
        new_notifications = []
        while notify_sub.new_data:
            t, n = notify_sub.recv()
            new_notifications.append(n)

        # notify each plugin if there are new notifications:
        for n in new_notifications:
            handle_notifications(n)
            g_pool.capture.on_notify(n)
            for p in g_pool.plugins:
                p.on_notify(n)

        # Get an image from the grabber
        try:
            frame = g_pool.capture.get_frame()
        except StreamError as e:
            prev_settings = g_pool.capture.settings
            g_pool.capture.deinit_gui()
            g_pool.capture.cleanup()
            g_pool.capture = None
            prev_settings[
                'info_text'] = "'%s' disconnected." % prev_settings['name']
            g_pool.capture = Fake_Source(g_pool, **prev_settings)
            g_pool.capture.init_gui()
            ipc_pub.notify({'subject': 'recording.should_stop'})
            logger.error("Error getting frame. Falling back to Fake source.")
            logger.debug("Caught error: %s" % e)
            sleep(.2)
            continue
        except EndofVideoFileError:
            logger.warning("Video file is done. Rewinding")
            g_pool.capture.seek_to_frame(0)
            continue

        #update performace graphs
        t = frame.timestamp
        dt, ts = t - ts, t
        try:
            fps_graph.add(1. / dt)
        except ZeroDivisionError:
            pass
        cpu_graph.update()

        #a dictionary that allows plugins to post and read events
        events = {}
        #report time between now and the last loop interation
        events['dt'] = get_dt()

        recent_pupil_data = []
        recent_gaze_data = []

        while pupil_sub.new_data:
            t, p = pupil_sub.recv()
            pupil_graphs[p['id']].add(p['confidence'])
            recent_pupil_data.append(p)
            new_gaze_data = g_pool.active_gaze_mapping_plugin.on_pupil_datum(p)
            for g in new_gaze_data:
                gaze_pub.send('gaze', g)
            recent_gaze_data += new_gaze_data

        events['pupil_positions'] = recent_pupil_data
        events['gaze_positions'] = recent_gaze_data

        # allow each Plugin to do its work.
        for p in g_pool.plugins:
            p.update(frame, events)

        #check if a plugin need to be destroyed
        g_pool.plugins.clean()

        #send new events to ipc:
        del events['pupil_positions']  #already on the wire
        del events['gaze_positions']  #send earlier in this loop
        del events['dt']  #no need to send this
        for topic, data in events.iteritems():
            assert (isinstance(data, (list, tuple)))
            for d in data:
                ipc_pub.send(topic, d)

        # render camera image
        glfw.glfwMakeContextCurrent(main_window)
        if is_window_visible(main_window):
            g_pool.image_tex.update_from_frame(frame)
            glFlush()
        make_coord_system_norm_based()
        g_pool.image_tex.draw()
        make_coord_system_pixel_based((frame.height, frame.width, 3))
        # render visual feedback from loaded plugins

        if is_window_visible(main_window):
            g_pool.capture.gl_display()
            for p in g_pool.plugins:
                p.gl_display()

            graph.push_view()
            fps_graph.draw()
            cpu_graph.draw()
            pupil0_graph.draw()
            pupil1_graph.draw()
            graph.pop_view()
            g_pool.gui.update()
            glfw.glfwSwapBuffers(main_window)
        glfw.glfwPollEvents()

    glfw.glfwRestoreWindow(main_window)  #need to do this for windows os
    session_settings['loaded_plugins'] = g_pool.plugins.get_initializers()
    session_settings['gui_scale'] = g_pool.gui.scale
    session_settings['ui_config'] = g_pool.gui.configuration
    session_settings['capture_settings'] = g_pool.capture.settings
    session_settings['window_size'] = glfw.glfwGetWindowSize(main_window)
    session_settings['window_position'] = glfw.glfwGetWindowPos(main_window)
    session_settings['version'] = g_pool.version
    session_settings['eye0_process_alive'] = eyes_are_alive[0].value
    session_settings['eye1_process_alive'] = eyes_are_alive[1].value
    session_settings['detection_mapping_mode'] = g_pool.detection_mapping_mode
    session_settings['audio_mode'] = audio.audio_mode
    session_settings.close()

    # de-init all running plugins
    for p in g_pool.plugins:
        p.alive = False
    g_pool.plugins.clean()
    g_pool.gui.terminate()
    glfw.glfwDestroyWindow(main_window)
    glfw.glfwTerminate()

    g_pool.capture.deinit_gui()
    g_pool.capture.cleanup()

    #shut down eye processes:
    stop_eye_process(0)
    stop_eye_process(1)

    logger.info("Process shutting down.")
    ipc_pub.notify({'subject': 'world_process.stopped'})

    #shut down launcher
    n = {'subject': 'launcher_process.should_stop'}
    ipc_pub.notify(n)
    zmq_ctx.destroy()
Ejemplo n.º 23
0
def session(rec_dir):

    system_plugins = [Log_Display, Seek_Bar, Trim_Marks]
    user_launchable_plugins = [
        Video_Export_Launcher, Raw_Data_Exporter, Vis_Circle, Vis_Cross,
        Vis_Polyline, Vis_Light_Points, Vis_Fixation, Scan_Path,
        Gaze_Position_2D_Fixation_Detector, Pupil_Angle_3D_Fixation_Detector,
        Vis_Watermark, Manual_Gaze_Correction, Show_Calibration,
        Offline_Surface_Tracker, Batch_Exporter, Eye_Video_Overlay,
        Annotation_Player, Log_History
    ]  #,Marker_Auto_Trim_Marks
    user_launchable_plugins += import_runtime_plugins(
        os.path.join(user_dir, 'plugins'))
    available_plugins = system_plugins + user_launchable_plugins
    name_by_index = [p.__name__ for p in available_plugins]
    index_by_name = dict(zip(name_by_index, range(len(name_by_index))))
    plugin_by_name = dict(zip(name_by_index, available_plugins))

    # Callback functions
    def on_resize(window, w, h):
        g_pool.gui.update_window(w, h)
        g_pool.gui.collect_menus()
        graph.adjust_size(w, h)
        adjust_gl_view(w, h)
        for p in g_pool.plugins:
            p.on_window_resize(window, w, h)

    def on_key(window, key, scancode, action, mods):
        g_pool.gui.update_key(key, scancode, action, mods)

    def on_char(window, char):
        g_pool.gui.update_char(char)

    def on_button(window, button, action, mods):
        g_pool.gui.update_button(button, action, mods)
        pos = glfwGetCursorPos(window)
        pos = normalize(pos, glfwGetWindowSize(window))
        pos = denormalize(
            pos,
            (frame.img.shape[1], frame.img.shape[0]))  # Position in img pixels
        for p in g_pool.plugins:
            p.on_click(pos, button, action)

    def on_pos(window, x, y):
        hdpi_factor = float(
            glfwGetFramebufferSize(window)[0] / glfwGetWindowSize(window)[0])
        g_pool.gui.update_mouse(x * hdpi_factor, y * hdpi_factor)

    def on_scroll(window, x, y):
        g_pool.gui.update_scroll(x, y * y_scroll_factor)

    def on_drop(window, count, paths):
        for x in range(count):
            new_rec_dir = paths[x]
            if is_pupil_rec_dir(new_rec_dir):
                logger.debug("Starting new session with '%s'" % new_rec_dir)
                global rec_dir
                rec_dir = new_rec_dir
                glfwSetWindowShouldClose(window, True)
            else:
                logger.error("'%s' is not a valid pupil recording" %
                             new_rec_dir)

    tick = delta_t()

    def get_dt():
        return next(tick)

    update_recording_to_recent(rec_dir)

    video_path = [
        f for f in glob(os.path.join(rec_dir, "world.*"))
        if f[-3:] in ('mp4', 'mkv', 'avi')
    ][0]
    timestamps_path = os.path.join(rec_dir, "world_timestamps.npy")
    pupil_data_path = os.path.join(rec_dir, "pupil_data")

    meta_info = load_meta_info(rec_dir)
    rec_version = read_rec_version(meta_info)
    app_version = get_version(version_file)

    # log info about Pupil Platform and Platform in player.log
    logger.info('Application Version: %s' % app_version)
    logger.info('System Info: %s' % get_system_info())

    timestamps = np.load(timestamps_path)
    # Initialize capture
    cap = File_Capture(video_path, timestamps=list(timestamps))

    # load session persistent settings
    session_settings = Persistent_Dict(os.path.join(user_dir, "user_settings"))
    if session_settings.get("version",
                            VersionFormat('0.0')) < get_version(version_file):
        logger.info(
            "Session setting are from older version of this app. I will not use those."
        )
        session_settings.clear()

    width, height = session_settings.get('window_size', cap.frame_size)
    window_pos = session_settings.get('window_position', (0, 0))
    main_window = glfwCreateWindow(
        width, height, "Pupil Player: " + meta_info["Recording Name"] + " - " +
        rec_dir.split(os.path.sep)[-1], None, None)
    glfwSetWindowPos(main_window, window_pos[0], window_pos[1])
    glfwMakeContextCurrent(main_window)
    cygl.utils.init()

    # load pupil_positions, gaze_positions
    pupil_data = load_object(pupil_data_path)
    pupil_list = pupil_data['pupil_positions']
    gaze_list = pupil_data['gaze_positions']

    # create container for globally scoped vars
    g_pool = Global_Container()
    g_pool.app = 'player'
    g_pool.binocular = meta_info.get('Eye Mode', 'monocular') == 'binocular'
    g_pool.version = app_version
    g_pool.capture = cap
    g_pool.timestamps = timestamps
    g_pool.play = False
    g_pool.new_seek = True
    g_pool.user_dir = user_dir
    g_pool.rec_dir = rec_dir
    g_pool.rec_version = rec_version
    g_pool.meta_info = meta_info
    g_pool.pupil_positions_by_frame = correlate_data(pupil_list,
                                                     g_pool.timestamps)
    g_pool.gaze_positions_by_frame = correlate_data(gaze_list,
                                                    g_pool.timestamps)
    g_pool.fixations_by_frame = [[] for x in g_pool.timestamps
                                 ]  #populated by the fixation detector plugin

    def next_frame(_):
        try:
            cap.seek_to_frame(cap.get_frame_index())
        except FileSeekError:
            logger.warning("Could not seek to next frame.")
        else:
            g_pool.new_seek = True

    def prev_frame(_):
        try:
            cap.seek_to_frame(cap.get_frame_index() - 2)
        except FileSeekError:
            logger.warning("Could not seek to previous frame.")
        else:
            g_pool.new_seek = True

    def toggle_play(new_state):
        logger.warning('play%s' % new_state)
        if cap.get_frame_index() > cap.get_frame_count() - 1:
            cap.seek_to_frame(1)  #avoid pause set by hitting trimmark pause.
            logger.warning("End of video - restart at beginning.")
        g_pool.play = new_state

    def set_scale(new_scale):
        g_pool.gui.scale = new_scale
        g_pool.gui.collect_menus()

    def open_plugin(plugin):
        if plugin == "Select to load":
            return
        g_pool.plugins.add(plugin)

    def purge_plugins():
        for p in g_pool.plugins:
            if p.__class__ in user_launchable_plugins:
                p.alive = False
        g_pool.plugins.clean()

    def do_export(_):
        export_range = slice(g_pool.trim_marks.in_mark,
                             g_pool.trim_marks.out_mark)
        export_dir = os.path.join(
            g_pool.rec_dir, 'exports',
            '%s-%s' % (export_range.start, export_range.stop))
        try:
            os.makedirs(export_dir)
        except OSError as e:
            if e.errno != errno.EEXIST:
                logger.error("Could not create export dir")
                raise e
            else:
                logger.warning(
                    "Previous export for range [%s-%s] already exsits - overwriting."
                    % (export_range.start, export_range.stop))
        else:
            logger.info('Created export dir at "%s"' % export_dir)

        notification = {
            'subject': 'should_export',
            'range': export_range,
            'export_dir': export_dir
        }
        g_pool.notifications.append(notification)

    g_pool.gui = ui.UI()
    g_pool.gui.scale = session_settings.get('gui_scale', 1)
    g_pool.main_menu = ui.Growing_Menu("Settings",
                                       pos=(-350, 20),
                                       size=(300, 400))
    g_pool.main_menu.append(
        ui.Button("Close Pupil Player",
                  lambda: glfwSetWindowShouldClose(main_window, True)))
    g_pool.main_menu.append(
        ui.Slider('scale',
                  g_pool.gui,
                  setter=set_scale,
                  step=.05,
                  min=0.75,
                  max=2.5,
                  label='Interface Size'))
    g_pool.main_menu.append(ui.Info_Text('Player Version: %s' %
                                         g_pool.version))
    g_pool.main_menu.append(ui.Info_Text('Recording Version: %s' %
                                         rec_version))

    selector_label = "Select to load"
    labels = [p.__name__.replace('_', ' ') for p in user_launchable_plugins]
    user_launchable_plugins.insert(0, selector_label)
    labels.insert(0, selector_label)
    g_pool.main_menu.append(
        ui.Selector('Open plugin',
                    selection=user_launchable_plugins,
                    labels=labels,
                    setter=open_plugin,
                    getter=lambda: selector_label))
    g_pool.main_menu.append(ui.Button('Close all plugins', purge_plugins))
    g_pool.main_menu.append(
        ui.Button(
            'Reset window size', lambda: glfwSetWindowSize(
                main_window, cap.frame_size[0], cap.frame_size[1])))
    g_pool.quickbar = ui.Stretching_Menu('Quick Bar', (0, 100), (120, -100))
    g_pool.play_button = ui.Thumb('play',
                                  g_pool,
                                  label=unichr(0xf04b).encode('utf-8'),
                                  setter=toggle_play,
                                  hotkey=GLFW_KEY_SPACE,
                                  label_font='fontawesome',
                                  label_offset_x=5,
                                  label_offset_y=0,
                                  label_offset_size=-24)
    g_pool.play_button.on_color[:] = (0, 1., .0, .8)
    g_pool.forward_button = ui.Thumb('forward',
                                     label=unichr(0xf04e).encode('utf-8'),
                                     getter=lambda: False,
                                     setter=next_frame,
                                     hotkey=GLFW_KEY_RIGHT,
                                     label_font='fontawesome',
                                     label_offset_x=5,
                                     label_offset_y=0,
                                     label_offset_size=-24)
    g_pool.backward_button = ui.Thumb('backward',
                                      label=unichr(0xf04a).encode('utf-8'),
                                      getter=lambda: False,
                                      setter=prev_frame,
                                      hotkey=GLFW_KEY_LEFT,
                                      label_font='fontawesome',
                                      label_offset_x=-5,
                                      label_offset_y=0,
                                      label_offset_size=-24)
    g_pool.export_button = ui.Thumb('export',
                                    label=unichr(0xf063).encode('utf-8'),
                                    getter=lambda: False,
                                    setter=do_export,
                                    hotkey='e',
                                    label_font='fontawesome',
                                    label_offset_x=0,
                                    label_offset_y=2,
                                    label_offset_size=-24)
    g_pool.quickbar.extend([
        g_pool.play_button, g_pool.forward_button, g_pool.backward_button,
        g_pool.export_button
    ])
    g_pool.gui.append(g_pool.quickbar)
    g_pool.gui.append(g_pool.main_menu)

    #we always load these plugins
    system_plugins = [('Trim_Marks', {}), ('Seek_Bar', {})]
    default_plugins = [('Log_Display', {}), ('Scan_Path', {}),
                       ('Vis_Polyline', {}), ('Vis_Circle', {}),
                       ('Video_Export_Launcher', {})]
    previous_plugins = session_settings.get('loaded_plugins', default_plugins)
    g_pool.notifications = []
    g_pool.delayed_notifications = {}
    g_pool.plugins = Plugin_List(g_pool, plugin_by_name,
                                 system_plugins + previous_plugins)

    # Register callbacks main_window
    glfwSetFramebufferSizeCallback(main_window, on_resize)
    glfwSetKeyCallback(main_window, on_key)
    glfwSetCharCallback(main_window, on_char)
    glfwSetMouseButtonCallback(main_window, on_button)
    glfwSetCursorPosCallback(main_window, on_pos)
    glfwSetScrollCallback(main_window, on_scroll)
    glfwSetDropCallback(main_window, on_drop)
    #trigger on_resize
    on_resize(main_window, *glfwGetFramebufferSize(main_window))

    g_pool.gui.configuration = session_settings.get('ui_config', {})

    # gl_state settings
    basic_gl_setup()
    g_pool.image_tex = Named_Texture()

    #set up performace graphs:
    pid = os.getpid()
    ps = psutil.Process(pid)
    ts = cap.get_timestamp() - .03

    cpu_graph = graph.Bar_Graph()
    cpu_graph.pos = (20, 110)
    cpu_graph.update_fn = ps.cpu_percent
    cpu_graph.update_rate = 5
    cpu_graph.label = 'CPU %0.1f'

    fps_graph = graph.Bar_Graph()
    fps_graph.pos = (140, 110)
    fps_graph.update_rate = 5
    fps_graph.label = "%0.0f REC FPS"

    pupil_graph = graph.Bar_Graph(max_val=1.0)
    pupil_graph.pos = (260, 110)
    pupil_graph.update_rate = 5
    pupil_graph.label = "Confidence: %0.2f"

    while not glfwWindowShouldClose(main_window):

        #grab new frame
        if g_pool.play or g_pool.new_seek:
            g_pool.new_seek = False
            try:
                new_frame = cap.get_frame_nowait()
            except EndofVideoFileError:
                #end of video logic: pause at last frame.
                g_pool.play = False
                logger.warning("end of video")
            update_graph = True
        else:
            update_graph = False

        frame = new_frame.copy()
        events = {}
        #report time between now and the last loop interation
        events['dt'] = get_dt()
        #new positons we make a deepcopy just like the image is a copy.
        events['gaze_positions'] = deepcopy(
            g_pool.gaze_positions_by_frame[frame.index])
        events['pupil_positions'] = deepcopy(
            g_pool.pupil_positions_by_frame[frame.index])

        if update_graph:
            #update performace graphs
            for p in events['pupil_positions']:
                pupil_graph.add(p['confidence'])

            t = new_frame.timestamp
            if ts != t:
                dt, ts = t - ts, t
            fps_graph.add(1. / dt)

            g_pool.play_button.status_text = str(frame.index)
        #always update the CPU graph
        cpu_graph.update()

        # publish delayed notifiactions when their time has come.
        for n in g_pool.delayed_notifications.values():
            if n['_notify_time_'] < time():
                del n['_notify_time_']
                del g_pool.delayed_notifications[n['subject']]
                g_pool.notifications.append(n)

        # notify each plugin if there are new notifactions:
        while g_pool.notifications:
            n = g_pool.notifications.pop(0)
            for p in g_pool.plugins:
                p.on_notify(n)

        # allow each Plugin to do its work.
        for p in g_pool.plugins:
            p.update(frame, events)

        #check if a plugin need to be destroyed
        g_pool.plugins.clean()

        # render camera image
        glfwMakeContextCurrent(main_window)
        make_coord_system_norm_based()
        g_pool.image_tex.update_from_frame(frame)
        g_pool.image_tex.draw()
        make_coord_system_pixel_based(frame.img.shape)
        # render visual feedback from loaded plugins
        for p in g_pool.plugins:
            p.gl_display()

        graph.push_view()
        fps_graph.draw()
        cpu_graph.draw()
        pupil_graph.draw()
        graph.pop_view()
        g_pool.gui.update()

        #present frames at appropriate speed
        cap.wait(frame)

        glfwSwapBuffers(main_window)
        glfwPollEvents()

    session_settings['loaded_plugins'] = g_pool.plugins.get_initializers()
    session_settings['gui_scale'] = g_pool.gui.scale
    session_settings['ui_config'] = g_pool.gui.configuration
    session_settings['window_size'] = glfwGetWindowSize(main_window)
    session_settings['window_position'] = glfwGetWindowPos(main_window)
    session_settings['version'] = g_pool.version
    session_settings.close()

    # de-init all running plugins
    for p in g_pool.plugins:
        p.alive = False
    g_pool.plugins.clean()

    cap.close()
    g_pool.gui.terminate()
    glfwDestroyWindow(main_window)