Exemple #1
0
 def toggle_record_video():
     if any([True for p in g.plugins if isinstance(p,recorder.Recorder)]):
         for p in g.plugins:
             if isinstance(p,recorder.Recorder):
                 p.alive = False
     else:
         # set up folder within recordings named by user input in atb
         if not bar.rec_name.value:
             bar.rec_name.value = recorder.get_auto_name()
         recorder_instance = recorder.Recorder(bar.rec_name.value, bar.fps.value, frame.img.shape, g_pool.pos_record, g_pool.eye_tx)
         g.plugins.append(recorder_instance)
Exemple #2
0
  def toggle_record_video():
    for p in g.plugins:
      if isinstance(p,recorder.Recorder):
        p.alive = False
        return
    # set up folder within recordings named by user input in atb
    if not bar.rec_name.value:
      bar.rec_name.value = recorder.get_auto_name()

    new_plugin = recorder.Recorder(g_pool,bar.rec_name.value, bar.fps.value, frame.img.shape, bar.record_eye.value, g_pool.eye_tx)
    g.plugins.append(new_plugin)
Exemple #3
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    def toggle_record_video():
        for p in g.plugins:
            if isinstance(p,recorder.Recorder):
                p.alive = False
                return
        # set up folder within recordings named by user input in atb
        if not bar.rec_name.value:
            bar.rec_name.value = recorder.get_auto_name()

        new_plugin = recorder.Recorder(g_pool,bar.rec_name.value, bar.fps.value, frame.img.shape, bar.record_eye.value, g_pool.eye_tx)
        g.plugins.append(new_plugin)
        g.plugins.sort(key=lambda p: p.order)
Exemple #4
0
def world(g_pool, cap_src, cap_size):
    """world
    Creates a window, gl context.
    Grabs images from a capture.
    Receives Pupil coordinates from g_pool.pupil_queue
    Can run various plug-ins.
    """

    # Callback functions
    def on_resize(window, w, h):
        active_window = glfwGetCurrentContext()
        glfwMakeContextCurrent(window)
        norm_size = normalize((w, h), glfwGetWindowSize(window))
        fb_size = denormalize(norm_size, glfwGetFramebufferSize(window))
        atb.TwWindowSize(*map(int, fb_size))
        adjust_gl_view(w, h, window)
        glfwMakeContextCurrent(active_window)
        for p in g_pool.plugins:
            p.on_window_resize(window, w, h)

    def on_iconify(window, iconfied):
        if not isinstance(cap, FakeCapture):
            g_pool.update_textures.value = not iconfied

    def on_key(window, key, scancode, action, mods):
        if not atb.TwEventKeyboardGLFW(key, action):
            if action == GLFW_PRESS:
                if key == GLFW_KEY_ESCAPE:
                    on_close(window)

    def on_char(window, char):
        if not atb.TwEventCharGLFW(char, 1):
            pass

    def on_button(window, button, action, mods):
        if not atb.TwEventMouseButtonGLFW(button, action):
            pos = glfwGetCursorPos(window)
            pos = normalize(pos, glfwGetWindowSize(world_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):
        norm_pos = normalize((x, y), glfwGetWindowSize(window))
        fb_x, fb_y = denormalize(norm_pos, glfwGetFramebufferSize(window))
        if atb.TwMouseMotion(int(fb_x), int(fb_y)):
            pass

    def on_scroll(window, x, y):
        if not atb.TwMouseWheel(int(x)):
            pass

    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'))

    def load(var_name, default):
        return session_settings.get(var_name, default)

    def save(var_name, var):
        session_settings[var_name] = var

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

    # Get an image from the grabber
    try:
        frame = cap.get_frame()
    except CameraCaptureError:
        logger.error("Could not retrieve image from capture")
        cap.close()
        return
    height, width = frame.img.shape[:2]

    # load last calibration data
    try:
        pt_cloud = np.load(os.path.join(g_pool.user_dir, 'cal_pt_cloud.npy'))
        logger.debug("Using calibration found in %s" % g_pool.user_dir)
        map_pupil = calibrate.get_map_from_cloud(pt_cloud, (width, height))
    except:
        logger.debug("No calibration found.")

        def map_pupil(vector):
            """ 1 to 1 mapping """
            return vector

    # 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.plugins = []
    g_pool.map_pupil = map_pupil
    g_pool.update_textures = c_bool(1)
    if isinstance(cap, FakeCapture):
        g_pool.update_textures.value = False
    g_pool.capture = cap

    g_pool.rec_name = recorder.get_auto_name()

    # helpers called by the main atb bar
    def update_fps():
        old_time, bar.timestamp = bar.timestamp, time()
        dt = bar.timestamp - old_time
        if dt:
            bar.fps.value += .05 * (1. / dt - bar.fps.value)

    def set_window_size(mode, data):
        height, width = frame.img.shape[:2]
        ratio = (1, .75, .5, .25)[mode]
        w, h = int(width * ratio), int(height * ratio)
        glfwSetWindowSize(world_window, w, h)
        data.value = mode  # update the bar.value

    def get_from_data(data):
        """
        helper for atb getter and setter use
        """
        return data.value

    def set_rec_name(val):
        if not val.value:
            g_pool.rec_name = recorder.get_auto_name()
        else:
            g_pool.rec_name = val.value

    def get_rec_name():
        return create_string_buffer(g_pool.rec_name, 512)

    def open_calibration(selection, data):
        # prepare destruction of current ref_detector... and remove it
        for p in g_pool.plugins:
            if isinstance(p, calibration_routines.detector_by_index):
                p.alive = False
        g_pool.plugins = [p for p in g_pool.plugins if p.alive]

        new_ref_detector = calibration_routines.detector_by_index[selection](
            g_pool, atb_pos=bar.next_atb_pos)
        g_pool.plugins.append(new_ref_detector)
        g_pool.plugins.sort(key=lambda p: p.order)

        # save the value for atb bar
        data.value = selection

    def toggle_record_video():
        for p in g_pool.plugins:
            if isinstance(p, recorder.Recorder):
                p.alive = False
                return

        new_plugin = recorder.Recorder(g_pool, g_pool.rec_name, bar.fps.value,
                                       frame.img.shape, bar.record_eye.value,
                                       g_pool.eye_tx, bar.audio.value)
        g_pool.plugins.append(new_plugin)
        g_pool.plugins.sort(key=lambda p: p.order)

    def toggle_show_calib_result():
        for p in g_pool.plugins:
            if isinstance(p, Show_Calibration):
                p.alive = False
                return

        new_plugin = Show_Calibration(g_pool, frame.img.shape)
        g_pool.plugins.append(new_plugin)
        g_pool.plugins.sort(key=lambda p: p.order)

    def toggle_server():
        for p in g_pool.plugins:
            if isinstance(p, Pupil_Server):
                p.alive = False
                return

        new_plugin = Pupil_Server(g_pool, (10, 300))
        g_pool.plugins.append(new_plugin)
        g_pool.plugins.sort(key=lambda p: p.order)

    def toggle_remote():
        for p in g_pool.plugins:
            if isinstance(p, Pupil_Remote):
                p.alive = False
                return

        new_plugin = Pupil_Remote(g_pool, (10, 360), on_char)
        g_pool.plugins.append(new_plugin)
        g_pool.plugins.sort(key=lambda p: p.order)

    def toggle_ar():
        for p in g_pool.plugins:
            if isinstance(p, Marker_Detector):
                p.alive = False
                return

        new_plugin = Marker_Detector(g_pool, (10, 400))
        g_pool.plugins.append(new_plugin)
        g_pool.plugins.sort(key=lambda p: p.order)

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

    atb.init()
    # add main controls ATB bar
    bar = atb.Bar(name="World",
                  label="Controls",
                  help="Scene controls",
                  color=(50, 50, 50),
                  alpha=100,
                  valueswidth=150,
                  text='light',
                  position=(10, 10),
                  refresh=.3,
                  size=(300, 200))
    bar.next_atb_pos = (10, 220)
    bar.fps = c_float(0.0)
    bar.timestamp = time()
    bar.calibration_type = c_int(load("calibration_type", 0))
    bar.record_eye = c_bool(load("record_eye", 0))
    bar.audio = c_int(load("audio", -1))
    bar.window_size = c_int(load("window_size", 0))
    window_size_enum = atb.enum("Display Size", {
        "Full": 0,
        "Medium": 1,
        "Half": 2,
        "Mini": 3
    })
    calibrate_type_enum = atb.enum("Calibration Method",
                                   calibration_routines.index_by_name)
    audio_enum = atb.enum("Audio Input", dict(Audio_Input_List()))
    bar.version = create_string_buffer(g_pool.version, 512)
    bar.add_var(
        "fps",
        bar.fps,
        step=1.,
        readonly=True,
        help=
        "Refresh speed of this process. Especially during recording it should not drop below the camera set frame rate."
    )
    bar.add_var(
        "display size",
        vtype=window_size_enum,
        setter=set_window_size,
        getter=get_from_data,
        data=bar.window_size,
        help="Resize the world window. This has no effect on the actual image."
    )
    bar.add_var("calibration method",
                setter=open_calibration,
                getter=get_from_data,
                data=bar.calibration_type,
                vtype=calibrate_type_enum,
                group="Calibration",
                help="Please choose your desired calibration method.")
    bar.add_button("show calibration result",
                   toggle_show_calib_result,
                   group="Calibration",
                   help="Click to show calibration result.")
    bar.add_var("session name",
                create_string_buffer(512),
                getter=get_rec_name,
                setter=set_rec_name,
                group="Recording",
                help="Give your recording session a custom name.")
    bar.add_button("record",
                   toggle_record_video,
                   key="r",
                   group="Recording",
                   help="Start/Stop Recording")
    bar.add_var("record eye",
                bar.record_eye,
                group="Recording",
                help="check to save raw video of eye")
    bar.add_var("record audio",
                bar.audio,
                vtype=audio_enum,
                group="Recording",
                help="Select from audio recording options.")
    bar.add_button(
        "start/stop marker tracking",
        toggle_ar,
        key="x",
        help="find markers in scene to map gaze onto referace surfaces")
    bar.add_button(
        "start/stop server",
        toggle_server,
        key="s",
        help=
        "the server broadcasts pupil and gaze positions locally or via network"
    )
    bar.add_button("start/stop remote",
                   toggle_remote,
                   key="w",
                   help="remote allows seding commad to pupil via network")
    bar.add_button(
        "set timebase to now",
        reset_timebase,
        help="this button allows the timestamps to count from now on.",
        key="t")
    bar.add_var(
        "update screen",
        g_pool.update_textures,
        help=
        "if you dont need to see the camera image updated, you can turn this of to reduce CPU load."
    )
    bar.add_separator("Sep1")
    bar.add_var("version", bar.version, readonly=True)
    bar.add_var("exit", g_pool.quit)

    # add uvc camera controls ATB bar
    cap.create_atb_bar(pos=(320, 10))

    # Initialize glfw
    glfwInit()
    world_window = glfwCreateWindow(width, height, "World", None, None)
    glfwMakeContextCurrent(world_window)

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

    #set the last saved window size
    set_window_size(bar.window_size.value, bar.window_size)
    on_resize(world_window, *glfwGetWindowSize(world_window))
    glfwSetWindowPos(world_window, 0, 0)

    # gl_state settings
    basic_gl_setup()
    g_pool.image_tex = create_named_texture(frame.img)
    # refresh speed settings
    glfwSwapInterval(0)

    #load calibration plugin
    open_calibration(bar.calibration_type.value, bar.calibration_type)

    #load gaze_display plugin
    g_pool.plugins.append(Display_Recent_Gaze(g_pool))

    # 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_fps()

        #a container 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()
            if p['norm_pupil'] is None:
                p['norm_gaze'] = None
            else:
                p['norm_gaze'] = g_pool.map_pupil(p['norm_pupil'])
            recent_pupil_positions.append(p)

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

        #check if a plugin need to be destroyed
        g_pool.plugins = [p for p in g_pool.plugins if p.alive]

        # render camera image
        glfwMakeContextCurrent(world_window)

        make_coord_system_norm_based()
        if g_pool.update_textures.value:
            draw_named_texture(g_pool.image_tex, frame.img)
        else:
            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()

        atb.draw()
        glfwSwapBuffers(world_window)
        glfwPollEvents()

    # de-init all running plugins
    for p in g_pool.plugins:
        p.alive = False
        #reading p.alive actually runs plug-in cleanup
        _ = p.alive

    save('window_size', bar.window_size.value)
    save('calibration_type', bar.calibration_type.value)
    save('record_eye', bar.record_eye.value)
    save('audio', bar.audio.value)
    session_settings.close()

    cap.close()
    atb.terminate()
    glfwDestroyWindow(world_window)
    glfwTerminate()
    logger.debug("Process done")
Exemple #5
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 def set_rec_name(val):
     if not val.value:
         g_pool.rec_name = recorder.get_auto_name()
     else:
         g_pool.rec_name = val.value
Exemple #6
0
def world(g_pool,cap_src,cap_size):
    """world
    Creates a window, gl context.
    Grabs images from a capture.
    Receives Pupil coordinates from g_pool.pupil_queue
    Can run various plug-ins.
    """


    # Callback functions
    def on_resize(window,w, h):
        active_window = glfwGetCurrentContext()
        glfwMakeContextCurrent(window)
        norm_size = normalize((w,h),glfwGetWindowSize(window))
        fb_size = denormalize(norm_size,glfwGetFramebufferSize(window))
        atb.TwWindowSize(*map(int,fb_size))
        adjust_gl_view(w,h,window)
        glfwMakeContextCurrent(active_window)

    def on_iconify(window,iconfied):
        if not isinstance(cap,FakeCapture):
            g_pool.update_textures.value = not iconfied

    def on_key(window, key, scancode, action, mods):
        if not atb.TwEventKeyboardGLFW(key,action):
            if action == GLFW_PRESS:
                if key == GLFW_KEY_ESCAPE:
                    on_close(window)

    def on_char(window,char):
        if not atb.TwEventCharGLFW(char,1):
            pass

    def on_button(window,button, action, mods):
        if not atb.TwEventMouseButtonGLFW(button,action):
            pos = glfwGetCursorPos(window)
            pos = normalize(pos,glfwGetWindowSize(world_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):
        norm_pos = normalize((x,y),glfwGetWindowSize(window))
        fb_x,fb_y = denormalize(norm_pos,glfwGetFramebufferSize(window))
        if atb.TwMouseMotion(int(fb_x),int(fb_y)):
            pass

    def on_scroll(window,x,y):
        if not atb.TwMouseWheel(int(x)):
            pass

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



    # load session persistent settings
    session_settings = shelve.open(os.path.join(g_pool.user_dir,'user_settings_world'),protocol=2)
    def load(var_name,default):
        return session_settings.get(var_name,default)
    def save(var_name,var):
        session_settings[var_name] = var


    # load last calibration data
    try:
        pt_cloud = np.load(os.path.join(g_pool.user_dir,'cal_pt_cloud.npy'))
        logger.info("Using calibration found in %s" %g_pool.user_dir)
        map_pupil = calibrate.get_map_from_cloud(pt_cloud,(width,height))
    except:
        logger.info("No calibration found.")
        def map_pupil(vector):
            """ 1 to 1 mapping
            """
            return vector

    # any object we attach to the g_pool object now will only be visible to this process!
    # vars should be declared here to make them visible to the reader.
    g_pool.plugins = []
    g_pool.map_pupil = map_pupil
    g_pool.update_textures = c_bool(1)

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

    if isinstance(cap,FakeCapture):
        g_pool.update_textures.value = False

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

    height,width = frame.img.shape[:2]
    g_pool.capture = cap

    # helpers called by the main atb bar
    def update_fps():
        old_time, bar.timestamp = bar.timestamp, time()
        dt = bar.timestamp - old_time
        if dt:
            bar.fps.value += .05 * (1. / dt - bar.fps.value)

    def set_window_size(mode,data):
        height,width = frame.img.shape[:2]
        ratio = (1,.75,.5,.25)[mode]
        w,h = int(width*ratio),int(height*ratio)
        glfwSetWindowSize(world_window,w,h)
        data.value=mode # update the bar.value

    def get_from_data(data):
        """
        helper for atb getter and setter use
        """
        return data.value

    def open_calibration(selection,data):
        # prepare destruction of current ref_detector... and remove it
        for p in g_pool.plugins:
            if isinstance(p,calibration_routines.detector_by_index):
                p.alive = False
        g_pool.plugins = [p for p in g_pool.plugins if p.alive]

        new_ref_detector = calibration_routines.detector_by_index[selection](g_pool,atb_pos=bar.next_atb_pos)
        g_pool.plugins.append(new_ref_detector)
        g_pool.plugins.sort(key=lambda p: p.order)

        # save the value for atb bar
        data.value=selection

    def toggle_record_video():
        for p in g_pool.plugins:
            if isinstance(p,recorder.Recorder):
                p.alive = False
                return
        # set up folder within recordings named by user input in atb
        if not bar.rec_name.value:
            bar.rec_name.value = recorder.get_auto_name()

        new_plugin = recorder.Recorder(g_pool,bar.rec_name.value, bar.fps.value, frame.img.shape, bar.record_eye.value, g_pool.eye_tx)
        g_pool.plugins.append(new_plugin)
        g_pool.plugins.sort(key=lambda p: p.order)

    def toggle_show_calib_result():
        for p in g_pool.plugins:
            if isinstance(p,Show_Calibration):
                p.alive = False
                return

        new_plugin = Show_Calibration(g_pool,frame.img.shape)
        g_pool.plugins.append(new_plugin)
        g_pool.plugins.sort(key=lambda p: p.order)

    def toggle_server():
        for p in g_pool.plugins:
            if isinstance(p,Pupil_Server):
                p.alive = False
                return

        new_plugin = Pupil_Server(g_pool,(10,300))
        g_pool.plugins.append(new_plugin)
        g_pool.plugins.sort(key=lambda p: p.order)


    def toggle_ar():
        for p in g_pool.plugins:
            if isinstance(p,Marker_Detector):
                p.alive = False
                return

        new_plugin = Marker_Detector(g_pool,(10,400))
        g_pool.plugins.append(new_plugin)
        g_pool.plugins.sort(key=lambda p: p.order)

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

    atb.init()
    # add main controls ATB bar
    bar = atb.Bar(name = "World", label="Controls",
            help="Scene controls", color=(50, 50, 50), alpha=100,valueswidth=150,
            text='light', position=(10, 10),refresh=.3, size=(300, 200))
    bar.next_atb_pos = (10,220)
    bar.fps = c_float(0.0)
    bar.timestamp = time()
    bar.calibration_type = c_int(load("calibration_type",0))
    bar.record_eye = c_bool(load("record_eye",0))
    bar.window_size = c_int(load("window_size",0))
    window_size_enum = atb.enum("Display Size",{"Full":0, "Medium":1,"Half":2,"Mini":3})
    calibrate_type_enum = atb.enum("Calibration Method",calibration_routines.index_by_name)
    bar.rec_name = create_string_buffer(512)
    bar.version = create_string_buffer(g_pool.version,512)
    bar.rec_name.value = recorder.get_auto_name()
    bar.add_var("fps", bar.fps, step=1., readonly=True, help="Refresh speed of this process. Especially during recording it should not drop below the camera set frame rate.")
    bar.add_var("display size", vtype=window_size_enum,setter=set_window_size,getter=get_from_data,data=bar.window_size,help="Resize the world window. This has no effect on the actual image.")
    bar.add_var("calibration method",setter=open_calibration,getter=get_from_data,data=bar.calibration_type, vtype=calibrate_type_enum,group="Calibration", help="Please choose your desired calibration method.")
    bar.add_button("show calibration result",toggle_show_calib_result, group="Calibration", help="Click to show calibration result.")
    bar.add_var("session name",bar.rec_name, group="Recording", help="Give your recording session a custom name.")
    bar.add_button("record", toggle_record_video, key="r", group="Recording", help="Start/Stop Recording")
    bar.add_var("record eye", bar.record_eye, group="Recording", help="check to save raw video of eye")
    bar.add_button("start/stop marker tracking",toggle_ar,key="x",help="find markers in scene to map gaze onto referace surfaces")
    bar.add_button("start/stop server",toggle_server,key="s",help="the server broadcasts pupil and gaze positions locally or via network")
    bar.add_button("set timebase to now",reset_timebase,help="this button allows the timestamps to count from now on.",key="t")
    bar.add_var("update screen", g_pool.update_textures,help="if you dont need to see the camera image updated, you can turn this of to reduce CPU load.")
    bar.add_separator("Sep1")
    bar.add_var("version",bar.version, readonly=True)
    bar.add_var("exit", g_pool.quit)

    # add uvc camera controls ATB bar
    cap.create_atb_bar(pos=(320,10))

    # Initialize glfw
    glfwInit()
    world_window = glfwCreateWindow(width, height, "World", None, None)
    glfwMakeContextCurrent(world_window)

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

    #set the last saved window size
    set_window_size(bar.window_size.value,bar.window_size)
    on_resize(world_window, *glfwGetWindowSize(world_window))
    glfwSetWindowPos(world_window,0,0)

    # gl_state settings
    basic_gl_setup()
    g_pool.image_tex = create_named_texture(frame.img)
    # refresh speed settings
    glfwSwapInterval(0)


    #load calibration plugin
    open_calibration(bar.calibration_type.value,bar.calibration_type)

    #load gaze_display plugin
    g_pool.plugins.append(Display_Recent_Gaze(g_pool))


    # 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_fps()

        #a container 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()
            if p['norm_pupil'] is None:
                p['norm_gaze'] = None
            else:
                p['norm_gaze'] = g_pool.map_pupil(p['norm_pupil'])
            recent_pupil_positions.append(p)


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

        #check if a plugin need to be destroyed
        g_pool.plugins = [p for p in g_pool.plugins if p.alive]


        # render camera image
        glfwMakeContextCurrent(world_window)

        make_coord_system_norm_based()
        if g_pool.update_textures.value:
            draw_named_texture(g_pool.image_tex,frame.img)
        else:
            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()

        atb.draw()
        glfwSwapBuffers(world_window)
        glfwPollEvents()


    # de-init all running plugins
    for p in g_pool.plugins:
        p.alive = False
        #reading p.alive actually runs plug-in cleanup
        _ = p.alive

    save('window_size',bar.window_size.value)
    save('calibration_type',bar.calibration_type.value)
    save('record_eye',bar.record_eye.value)
    session_settings.close()

    cap.close()
    atb.terminate()
    glfwDestroyWindow(world_window)
    glfwTerminate()
    logger.debug("Process done")
Exemple #7
0
def world(g_pool,cap_src,cap_size):
    """world
    Creates a window, gl context.
    Grabs images from a capture.
    Receives Pupil coordinates from g_pool.pupil_queue
    Can run various plug-ins.
    """


    # Callback functions
    def on_resize(window,w, h):
        active_window = glfwGetCurrentContext()
        glfwMakeContextCurrent(window)
        adjust_gl_view(w,h)
        atb.TwWindowSize(w, h)
        glfwMakeContextCurrent(active_window)

    def on_key(window, key, scancode, action, mods):
        if not atb.TwEventKeyboardGLFW(key,action):
            if action == GLFW_PRESS:
                if key == GLFW_KEY_ESCAPE:
                    on_close(window)

    def on_char(window,char):
        if not atb.TwEventCharGLFW(char,1):
            pass

    def on_button(window,button, action, mods):
        if not atb.TwEventMouseButtonGLFW(button,action):
            pos = glfwGetCursorPos(window)
            pos = normalize(pos,glfwGetWindowSize(world_window))
            pos = denormalize(pos,(frame.img.shape[1],frame.img.shape[0]) ) # Position in img pixels
            for p in g.plugins:
                p.on_click(pos,button,action)

    def on_pos(window,x, y):
        if atb.TwMouseMotion(int(x),int(y)):
            pass

    def on_scroll(window,x,y):
        if not atb.TwMouseWheel(int(x)):
            pass

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



    # load session persistent settings
    session_settings = shelve.open(os.path.join(g_pool.user_dir,'user_settings_world'),protocol=2)
    def load(var_name,default):
        return session_settings.get(var_name,default)
    def save(var_name,var):
        session_settings[var_name] = var


    # Initialize capture, check if it works
    cap = autoCreateCapture(cap_src, cap_size, 24)
    if cap is None:
        logger.error("Did not receive valid Capture")
        return
    frame = cap.get_frame()
    if frame.img is None:
        logger.error("Could not retrieve image from capture")
        cap.close()
        return
    height,width = frame.img.shape[:2]


    # helpers called by the main atb bar
    def update_fps():
        old_time, bar.timestamp = bar.timestamp, time()
        dt = bar.timestamp - old_time
        if dt:
            bar.fps.value += .05 * (1. / dt - bar.fps.value)

    def set_window_size(mode,data):
        height,width = frame.img.shape[:2]
        ratio = (1,.75,.5,.25)[mode]
        w,h = int(width*ratio),int(height*ratio)
        glfwSetWindowSize(world_window,w,h)
        data.value=mode # update the bar.value

    def get_from_data(data):
        """
        helper for atb getter and setter use
        """
        return data.value

    def open_calibration(selection,data):
        # prepare destruction of current ref_detector... and remove it
        for p in g.plugins:
            if isinstance(p,calibration_routines.detector_by_index):
                p.alive = False
        g.plugins = [p for p in g.plugins if p.alive]

        new_ref_detector = calibration_routines.detector_by_index[selection](g_pool,atb_pos=bar.next_atb_pos)
        g.plugins.append(new_ref_detector)
        g.plugins.sort(key=lambda p: p.order)

        # save the value for atb bar
        data.value=selection

    def toggle_record_video():
        for p in g.plugins:
            if isinstance(p,recorder.Recorder):
                p.alive = False
                return
        # set up folder within recordings named by user input in atb
        if not bar.rec_name.value:
            bar.rec_name.value = recorder.get_auto_name()

        new_plugin = recorder.Recorder(g_pool,bar.rec_name.value, bar.fps.value, frame.img.shape, bar.record_eye.value, g_pool.eye_tx)
        g.plugins.append(new_plugin)
        g.plugins.sort(key=lambda p: p.order)

    def toggle_show_calib_result():
        for p in g.plugins:
            if isinstance(p,Show_Calibration):
                p.alive = False
                return

        new_plugin = Show_Calibration(g_pool,frame.img.shape)
        g.plugins.append(new_plugin)
        g.plugins.sort(key=lambda p: p.order)

    def toggle_server():
        for p in g.plugins:
            if isinstance(p,Pupil_Server):
                p.alive = False
                return

        new_plugin = Pupil_Server(g_pool,(10,300))
        g.plugins.append(new_plugin)
        g.plugins.sort(key=lambda p: p.order)


    def toggle_ar():
        for p in g.plugins:
            if isinstance(p,Marker_Detector):
                p.alive = False
                return

        new_plugin = Marker_Detector(g_pool,(10,400))
        g.plugins.append(new_plugin)
        g.plugins.sort(key=lambda p: p.order)

    atb.init()
    # add main controls ATB bar
    bar = atb.Bar(name = "World", label="Controls",
            help="Scene controls", color=(50, 50, 50), alpha=100,valueswidth=150,
            text='light', position=(10, 10),refresh=.3, size=(300, 200))
    bar.next_atb_pos = (10,220)
    bar.fps = c_float(0.0)
    bar.timestamp = time()
    bar.calibration_type = c_int(load("calibration_type",0))
    bar.record_eye = c_bool(load("record_eye",0))
    bar.window_size = c_int(load("window_size",0))
    window_size_enum = atb.enum("Display Size",{"Full":0, "Medium":1,"Half":2,"Mini":3})
    calibrate_type_enum = atb.enum("Calibration Method",calibration_routines.index_by_name)
    bar.rec_name = create_string_buffer(512)
    bar.version = create_string_buffer(g_pool.version,512)
    bar.rec_name.value = recorder.get_auto_name()
    bar.add_var("fps", bar.fps, step=1., readonly=True)
    bar.add_var("display size", vtype=window_size_enum,setter=set_window_size,getter=get_from_data,data=bar.window_size)
    bar.add_var("calibration method",setter=open_calibration,getter=get_from_data,data=bar.calibration_type, vtype=calibrate_type_enum,group="Calibration", help="Please choose your desired calibration method.")
    bar.add_button("show calibration result",toggle_show_calib_result, group="Calibration", help="Click to show calibration result.")
    bar.add_var("session name",bar.rec_name, group="Recording", help="creates folder Data_Name_XXX, where xxx is an increasing number")
    bar.add_button("record", toggle_record_video, key="r", group="Recording", help="Start/Stop Recording")
    bar.add_var("record eye", bar.record_eye, group="Recording", help="check to save raw video of eye")
    bar.add_button("start/stop marker tracking",toggle_ar,key="x",help="find markers in scene to map gaze onto referace surfaces")
    bar.add_button("start/stop server",toggle_server,key="s",help="the server broadcasts pupil and gaze positions locally or via network")
    bar.add_separator("Sep1")
    bar.add_var("version",bar.version, readonly=True)
    bar.add_var("exit", g_pool.quit)

    # add uvc camera controls ATB bar
    cap.create_atb_bar(pos=(320,10))

    # Initialize glfw
    glfwInit()
    world_window = glfwCreateWindow(width, height, "World", None, None)
    glfwMakeContextCurrent(world_window)

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

    #set the last saved window size
    set_window_size(bar.window_size.value,bar.window_size)
    on_resize(world_window, *glfwGetFramebufferSize(world_window))
    glfwSetWindowPos(world_window,0,0)

    # gl_state settings
    basic_gl_setup()

    # refresh speed settings
    glfwSwapInterval(0)

    # load last calibration data
    try:
        pt_cloud = np.load(os.path.join(g_pool.user_dir,'cal_pt_cloud.npy'))
        logger.info("Using calibration found in %s" %g_pool.user_dir)
        map_pupil = calibrate.get_map_from_cloud(pt_cloud,(width,height))
    except:
        logger.info("No calibration found.")
        def map_pupil(vector):
            """ 1 to 1 mapping
            """
            return vector

    # create container for globally scoped vars (within world)
    g = Temp()
    g.plugins = []
    g_pool.map_pupil = map_pupil

    #load calibration plugin
    open_calibration(bar.calibration_type.value,bar.calibration_type)

    #load gaze_display plugin
    g.plugins.append(Display_Recent_Gaze(g_pool))

    # Event loop
    while not g_pool.quit.value:

        # Get an image from the grabber
        frame = cap.get_frame()
        update_fps()


        #a container 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()
            if p['norm_pupil'] is None:
                p['norm_gaze'] = None
            else:
                p['norm_gaze'] = g_pool.map_pupil(p['norm_pupil'])
            recent_pupil_positions.append(p)


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

        #check if a plugin need to be destroyed
        g.plugins = [p for p in g.plugins if p.alive]

        # render camera image
        glfwMakeContextCurrent(world_window)
        draw_gl_texture(frame.img)

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

        atb.draw()
        glfwSwapBuffers(world_window)
        glfwPollEvents()


    # de-init all running plugins
    for p in g.plugins:
        p.alive = False
        #reading p.alive actually runs plug-in cleanup
        _ = p.alive

    save('window_size',bar.window_size.value)
    save('calibration_type',bar.calibration_type.value)
    save('record_eye',bar.record_eye.value)
    session_settings.close()

    cap.close()
    glfwDestroyWindow(world_window)
    glfwTerminate()
    logger.debug("Process done")
Exemple #8
0
 def set_rec_name(val):
     if not val.value:
         g_pool.rec_name = recorder.get_auto_name()
     else:
         g_pool.rec_name = val.value
Exemple #9
0
def world(g_pool):
    """world
    """

    # Callback functions
    def on_resize(w, h):
        atb.TwWindowSize(w, h);
        adjust_gl_view(w,h)

    def on_key(key, pressed):
        if not atb.TwEventKeyboardGLFW(key,pressed):
            if pressed:
                if key == GLFW_KEY_ESC:
                    on_close()

    def on_char(char, pressed):
        if not atb.TwEventCharGLFW(char,pressed):
            pass

    def on_button(button, pressed):
        if not atb.TwEventMouseButtonGLFW(button,pressed):
            if pressed:
                pos = glfwGetMousePos()
                pos = normalize(pos,glfwGetWindowSize())
                pos = denormalize(pos,(frame.img.shape[1],frame.img.shape[0]) ) # Position in img pixels
                for p in g.plugins:
                    p.on_click(pos)

    def on_pos(x, y):
        if atb.TwMouseMotion(x,y):
            pass

    def on_scroll(pos):
        if not atb.TwMouseWheel(pos):
            pass

    def on_close():
        g_pool.quit.value = True
        print "WORLD Process closing from window"





    # load session persistent settings
    session_settings = shelve.open('user_settings_world',protocol=2)
    def load(var_name,default):
        try:
            return session_settings[var_name]
        except:
            return default
    def save(var_name,var):
        session_settings[var_name] = var


    # gaze object
    gaze = Temp()
    gaze.map_coords = (0., 0.)
    gaze.image_coords = (0., 0.)

    # Initialize capture, check if it works
    cap = autoCreateCapture(g_pool.world_src, g_pool.world_size,24)
    if cap is None:
        print "WORLD: Error could not create Capture"
        return
    frame = cap.get_frame()
    if frame.img is None:
        print "WORLD: Error could not get image"
        return
    height,width = frame.img.shape[:2]


    # helpers called by the main atb bar
    def update_fps():
        old_time, bar.timestamp = bar.timestamp, time()
        dt = bar.timestamp - old_time
        if dt:
            bar.fps.value += .05 * (1 / dt - bar.fps.value)

    def set_window_size(mode,data):
        height,width = frame.img.shape[:2]
        ratio = (1,.75,.5,.25)[mode]
        w,h = int(width*ratio),int(height*ratio)
        glfwSetWindowSize(w,h)
        data.value=mode # update the bar.value

    def get_from_data(data):
        """
        helper for atb getter and setter use
        """
        return data.value

    def open_calibration(selection,data):
        # prepare destruction of old ref_detector.
        if g.current_ref_detector:
            g.current_ref_detector.alive = False

        # remove old ref detector from list of plugins
        g.plugins = [p for p in g.plugins if p.alive]

        print "selected: ",reference_detectors.name_by_index[selection]
        g.current_ref_detector = reference_detectors.detector_by_index[selection](global_calibrate=g_pool.calibrate,
                                                                    shared_pos=g_pool.ref,
                                                                    screen_marker_pos = g_pool.marker,
                                                                    screen_marker_state = g_pool.marker_state,
                                                                    atb_pos=bar.next_atb_pos)

        g.plugins.append(g.current_ref_detector)
        # save the value for atb bar
        data.value=selection

    def toggle_record_video():
        if any([True for p in g.plugins if isinstance(p,recorder.Recorder)]):
            for p in g.plugins:
                if isinstance(p,recorder.Recorder):
                    p.alive = False
        else:
            # set up folder within recordings named by user input in atb
            if not bar.rec_name.value:
                bar.rec_name.value = recorder.get_auto_name()
            recorder_instance = recorder.Recorder(bar.rec_name.value, bar.fps.value, frame.img.shape, g_pool.pos_record, g_pool.eye_tx)
            g.plugins.append(recorder_instance)

    def toggle_show_calib_result():
        if any([True for p in g.plugins if isinstance(p,Show_Calibration)]):
            for p in g.plugins:
                if isinstance(p,Show_Calibration):
                    p.alive = False
        else:
            calib = Show_Calibration(frame.img.shape)
            g.plugins.append(calib)

    def show_calib_result():
        # kill old if any
        if any([True for p in g.plugins if isinstance(p,Show_Calibration)]):
            for p in g.plugins:
                if isinstance(p,Show_Calibration):
                    p.alive = False
            g.plugins = [p for p in g.plugins if p.alive]
        # make new
        calib = Show_Calibration(frame.img.shape)
        g.plugins.append(calib)

    def hide_calib_result():
        if any([True for p in g.plugins if isinstance(p,Show_Calibration)]):
            for p in g.plugins:
                if isinstance(p,Show_Calibration):
                    p.alive = False

    # Initialize ant tweak bar - inherits from atb.Bar
    atb.init()
    bar = atb.Bar(name = "World", label="Controls",
            help="Scene controls", color=(50, 50, 50), alpha=100,valueswidth=150,
            text='light', position=(10, 10),refresh=.3, size=(300, 200))
    bar.next_atb_pos = (10,220)
    bar.fps = c_float(0.0)
    bar.timestamp = time()
    bar.calibration_type = c_int(load("calibration_type",0))
    bar.show_calib_result = c_bool(0)
    bar.record_video = c_bool(0)
    bar.record_running = c_bool(0)
    bar.play = g_pool.play
    bar.window_size = c_int(load("window_size",0))
    window_size_enum = atb.enum("Display Size",{"Full":0, "Medium":1,"Half":2,"Mini":3})

    bar.calibrate_type_enum = atb.enum("Calibration Method",reference_detectors.index_by_name)
    bar.rec_name = create_string_buffer(512)
    bar.rec_name.value = recorder.get_auto_name()
    # play and record can be tied together via pointers to the objects
    # bar.play = bar.record_video
    bar.add_var("fps", bar.fps, step=1., readonly=True)
    bar.add_var("display size", vtype=window_size_enum,setter=set_window_size,getter=get_from_data,data=bar.window_size)
    bar.add_var("calibration method",setter=open_calibration,getter=get_from_data,data=bar.calibration_type, vtype=bar.calibrate_type_enum,group="Calibration", help="Please choose your desired calibration method.")
    bar.add_button("show calibration result",toggle_show_calib_result, group="Calibration", help="Click to show calibration result.")
    bar.add_var("session name",bar.rec_name, group="Recording", help="creates folder Data_Name_XXX, where xxx is an increasing number")
    bar.add_button("record", toggle_record_video, key="r", group="Recording", help="Start/Stop Recording")
    bar.add_separator("Sep1")
    bar.add_var("play video", bar.play, help="play a video in the Player window")
    bar.add_var("exit", g_pool.quit)

    # add uvc camera controls to a seperate ATB bar
    cap.create_atb_bar(pos=(320,10))


    # create container for globally scoped vars (within world)
    g = Temp()
    g.plugins = []
    g.current_ref_detector = None
    open_calibration(bar.calibration_type.value,bar.calibration_type)

    # Initialize glfw
    glfwInit()
    height,width = frame.img.shape[:2]
    glfwOpenWindow(width, height, 0, 0, 0, 8, 0, 0, GLFW_WINDOW)
    glfwSetWindowTitle("World")
    glfwSetWindowPos(0,0)

    #set the last saved window size
    set_window_size(bar.window_size.value,bar.window_size)

    # Register callbacks
    glfwSetWindowSizeCallback(on_resize)
    glfwSetWindowCloseCallback(on_close)
    glfwSetKeyCallback(on_key)
    glfwSetCharCallback(on_char)
    glfwSetMouseButtonCallback(on_button)
    glfwSetMousePosCallback(on_pos)
    glfwSetMouseWheelCallback(on_scroll)

    # gl_state settings
    import OpenGL.GL as gl
    gl.glEnable(gl.GL_POINT_SMOOTH)
    gl.glBlendFunc(gl.GL_SRC_ALPHA, gl.GL_ONE_MINUS_SRC_ALPHA)
    gl.glEnable(gl.GL_BLEND)
    del gl

    # Event loop
    while glfwGetWindowParam(GLFW_OPENED) and not g_pool.quit.value:
        # Get input characters entered in player
        if g_pool.player_input.value:
            player_input = g_pool.player_input.value
            g_pool.player_input.value = 0
            on_char(player_input,True)

        # Get an image from the grabber
        frame = cap.get_frame()
        update_fps()

        for p in g.plugins:
            p.update(frame)

        g.plugins = [p for p in g.plugins if p.alive]

        g_pool.player_refresh.set()

        # render the screen
        clear_gl_screen()
        draw_gl_texture(frame.img)

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


        # update gaze point from shared variable pool and draw on screen. If both coords are 0: no pupil pos was detected.
        if not g_pool.gaze[:] == [0.,0.]:
            draw_gl_point_norm(g_pool.gaze[:],color=(1.,0.,0.,0.5))

        atb.draw()
        glfwSwapBuffers()


    # end while running and clean-up

    # de-init all running plugins
    for p in g.plugins:
        p.alive = False
    g.plugins = [p for p in g.plugins if p.alive]

    save('window_size',bar.window_size.value)
    save('calibration_type',bar.calibration_type.value)
    session_settings.close()

    cap.close()
    glfwCloseWindow()
    glfwTerminate()
    print "WORLD Process closed"