Exemplo n.º 1
0
class Recorder(Plugin):
    """Capture Recorder"""
    def __init__(self,
                 g_pool,
                 session_name=get_auto_name(),
                 rec_dir=None,
                 user_info={
                     'name': '',
                     'additional_field': 'change_me'
                 },
                 info_menu_conf={},
                 show_info_menu=False,
                 record_eye=False,
                 audio_src='No Audio',
                 menu_conf={}):
        super(Recorder, self).__init__(g_pool)
        #update name if it was autogenerated.
        if session_name.startswith('20') and len(session_name) == 10:
            session_name = get_auto_name()

        if rec_dir:
            self.set_rec_dir(rec_dir)
        else:
            #lets make a rec dir next to the user dir
            base_dir = self.g_pool.user_dir.rsplit(os.path.sep, 1)[0]
            self.rec_dir = os.path.join(base_dir, 'recordings')
            if not os.path.isdir(self.rec_dir):
                os.mkdir(self.rec_dir)

        self.order = .9
        self.record_eye = record_eye
        self.session_name = session_name
        self.audio_devices_dict = Audio_Input_Dict()
        if audio_src in self.audio_devices_dict.keys():
            self.audio_src = audio_src
        else:
            self.audio_src = 'No Audio'
        self.running = False
        self.menu = None
        self.button = None
        self.menu_conf = menu_conf

        self.user_info = user_info
        self.show_info_menu = show_info_menu
        self.info_menu = None
        self.info_menu_conf = info_menu_conf
        self.height, self.width = self.g_pool.capture.frame_size

    def get_init_dict(self):
        d = {}
        d['record_eye'] = self.record_eye
        d['audio_src'] = self.audio_src
        d['session_name'] = self.session_name
        d['user_info'] = self.user_info
        d['info_menu_conf'] = self.info_menu_conf
        d['show_info_menu'] = self.show_info_menu
        d['rec_dir'] = self.rec_dir
        if self.menu:
            d['menu_conf'] = self.menu.configuration
        else:
            d['menu_conf'] = self.menu_conf
        return d

    def init_gui(self):
        self.menu = ui.Growing_Menu('Recorder')
        self.menu.configuration = self.menu_conf
        self.g_pool.sidebar.insert(3, self.menu)
        self.menu.append(
            ui.Info_Text(
                'Pupil recordings are saved like this: "path_to_recordings/recording_session_name/nnn" where "nnn" is an increasing number to avoid overwrites. You can use "/" in your session name to create subdirectories.'
            ))
        self.menu.append(
            ui.Info_Text(
                'Recordings are saved to "~/pupil_recordings". You can change the path here but note that invalid input will be ignored.'
            ))
        self.menu.append(
            ui.Text_Input('rec_dir',
                          self,
                          setter=self.set_rec_dir,
                          label='Path to recordings'))
        self.menu.append(
            ui.Text_Input('session_name',
                          self,
                          setter=self.set_session_name,
                          label='Recording session name'))
        self.menu.append(
            ui.Switch('show_info_menu',
                      self,
                      on_val=True,
                      off_val=False,
                      label='Request additional user info'))
        self.menu.append(
            ui.Info_Text(
                'Recording the raw eye video is optional. We use it for debugging.'
            ))
        self.menu.append(
            ui.Switch('record_eye',
                      self,
                      on_val=True,
                      off_val=False,
                      label='Record eye'))
        self.menu.append(
            ui.Selector('audio_src',
                        self,
                        selection=self.audio_devices_dict.keys()))

        self.button = ui.Thumb('running',
                               self,
                               setter=self.toggle,
                               label='Record',
                               hotkey='r')
        self.button.on_color[:] = (1, .0, .0, .8)
        self.g_pool.quickbar.insert(1, self.button)

    def deinit_gui(self):
        if self.menu:
            self.menu_conf = self.menu.configuration
            self.g_pool.sidebar.remove(self.menu)
            self.menu = None
        if self.button:
            self.g_pool.quickbar.remove(self.button)
            self.button = None

    def toggle(self, _=None):
        if self.running:
            self.stop()
        else:
            self.start()

    def get_rec_time_str(self):
        rec_time = gmtime(time() - self.start_time)
        return strftime("%H:%M:%S", rec_time)

    def start(self):
        self.timestamps = []
        self.pupil_list = []
        self.gaze_list = []
        self.frame_count = 0
        self.running = True
        self.menu.read_only = True
        self.start_time = time()

        session = os.path.join(self.rec_dir, self.session_name)
        try:
            os.makedirs(session)
            logger.debug("Created new recordings session dir %s" % session)

        except:
            logger.debug(
                "Recordings session dir %s already exists, using it." %
                session)

        # set up self incrementing folder within session folder
        counter = 0
        while True:
            self.rec_path = os.path.join(session, "%03d/" % counter)
            try:
                os.mkdir(self.rec_path)
                logger.debug("Created new recording dir %s" % self.rec_path)
                break
            except:
                logger.debug(
                    "We dont want to overwrite data, incrementing counter & trying to make new data folder"
                )
                counter += 1

        self.meta_info_path = os.path.join(self.rec_path, "info.csv")

        with open(self.meta_info_path, 'w') as f:
            f.write("Recording Name\t" + self.session_name + "\n")
            f.write("Start Date\t" +
                    strftime("%d.%m.%Y", localtime(self.start_time)) + "\n")
            f.write("Start Time\t" +
                    strftime("%H:%M:%S", localtime(self.start_time)) + "\n")

        if self.audio_src != 'No Audio':
            audio_path = os.path.join(self.rec_path, "world.wav")
            self.audio_writer = Audio_Capture(
                self.audio_devices_dict[self.audio_src], audio_path)
        else:
            self.audio_writer = None

        self.video_path = os.path.join(self.rec_path, "world.mkv")
        self.writer = cv2.VideoWriter(self.video_path,
                                      cv2.cv.CV_FOURCC(*'DIVX'),
                                      float(self.g_pool.capture.frame_rate),
                                      self.g_pool.capture.frame_size)
        # positions path to eye process
        if self.record_eye:
            for tx in self.g_pool.eye_tx:
                tx.send(self.rec_path)

        if self.show_info_menu:
            self.open_info_menu()

    def open_info_menu(self):
        self.info_menu = ui.Growing_Menu('additional Recording Info',
                                         size=(300, 300),
                                         pos=(300, 300))
        self.info_menu.configuration = self.info_menu_conf

        def populate_info_menu():
            self.info_menu.elements[:-2] = []
            for name in self.user_info.iterkeys():
                self.info_menu.insert(0, ui.Text_Input(name, self.user_info))

        def set_user_info(new_string):
            self.user_info = new_string
            populate_info_menu()

        populate_info_menu()
        self.info_menu.append(
            ui.Info_Text(
                'Use the *user info* field to add/remove additional fields and their values. The format must be a valid Python dictionary. For example -- {"key":"value"}. You can add as many fields as you require. Your custom fields will be saved for your next session.'
            ))
        self.info_menu.append(
            ui.Text_Input('user_info',
                          self,
                          setter=set_user_info,
                          label="User info"))
        self.g_pool.gui.append(self.info_menu)

    def close_info_menu(self):
        if self.info_menu:
            self.info_menu_conf = self.info_menu.configuration
            self.g_pool.gui.remove(self.info_menu)
            self.info_menu = None

    def update(self, frame, events):
        if self.running:

            # cv2.putText(frame.img, "Frame %s"%self.frame_count,(200,200), cv2.FONT_HERSHEY_SIMPLEX,1,(255,100,100))
            for p in events['pupil_positions']:
                pupil_pos = p['timestamp'], p['confidence'], p['id'], p[
                    'norm_pos'][0], p['norm_pos'][1], p['diameter']

                self.pupil_list.append(pupil_pos)

            for g in events.get('gaze', []):
                gaze_pos = g['timestamp'], g['confidence'], g['norm_pos'][
                    0], g['norm_pos'][1]
                self.gaze_list.append(gaze_pos)

            self.timestamps.append(frame.timestamp)
            self.writer.write(frame.img)
            self.frame_count += 1

            self.button.status_text = self.get_rec_time_str()

    def stop(self):
        #explicit release of VideoWriter
        self.writer.release()
        self.writer = None

        if self.record_eye:
            for tx in self.g_pool.eye_tx:
                try:
                    tx.send(None)
                except:
                    logger.warning(
                        "Could not stop eye-recording. Please report this bug!"
                    )

        gaze_list_path = os.path.join(self.rec_path, "gaze_positions.npy")
        np.save(gaze_list_path, np.asarray(self.gaze_list))

        pupil_list_path = os.path.join(self.rec_path, "pupil_positions.npy")
        np.save(pupil_list_path, np.asarray(self.pupil_list))

        timestamps_path = os.path.join(self.rec_path, "world_timestamps.npy")
        ts = sanitize_timestamps(np.array(self.timestamps))
        np.save(timestamps_path, ts)

        try:
            copy2(os.path.join(self.g_pool.user_dir, "surface_definitions"),
                  os.path.join(self.rec_path, "surface_definitions"))
        except:
            logger.info(
                "No surface_definitions data found. You may want this if you do marker tracking."
            )

        try:
            copy2(os.path.join(self.g_pool.user_dir, "cal_pt_cloud.npy"),
                  os.path.join(self.rec_path, "cal_pt_cloud.npy"))
        except:
            logger.warning(
                "No calibration data found. Please calibrate first.")

        try:
            copy2(os.path.join(self.g_pool.user_dir, "camera_matrix.npy"),
                  os.path.join(self.rec_path, "camera_matrix.npy"))
            copy2(os.path.join(self.g_pool.user_dir, "dist_coefs.npy"),
                  os.path.join(self.rec_path, "dist_coefs.npy"))
        except:
            logger.info("No camera intrinsics found.")

        try:
            with open(self.meta_info_path, 'a') as f:
                f.write("Duration Time\t" + self.get_rec_time_str() + "\n")
                if self.g_pool.binocular:
                    f.write("Eye Mode\tbinocular\n")
                else:
                    f.write("Eye Mode\tmonocular\n")
                f.write("Duration Time\t" + self.get_rec_time_str() + "\n")
                f.write("World Camera Frames\t" + str(self.frame_count) + "\n")
                f.write("World Camera Resolution\t" + str(self.width) + "x" +
                        str(self.height) + "\n")
                f.write("Capture Software Version\t%s\n" % self.g_pool.version)
                if platform.system() == "Windows":
                    username = os.environ["USERNAME"]
                    sysname, nodename, release, version, machine, _ = platform.uname(
                    )
                else:
                    username = os.getlogin()
                    try:
                        sysname, nodename, release, version, machine = os.uname(
                        )
                    except:
                        sysname, nodename, release, version, machine = sys.platform, None, None, None, None
                f.write("User\t" + username + "\n")
                f.write("Platform\t" + sysname + "\n")
                f.write("Machine\t" + nodename + "\n")
                f.write("Release\t" + release + "\n")
                f.write("Version\t" + version + "\n")
        except Exception:
            logger.exception(
                "Could not save metadata. Please report this bug!")

        try:
            with open(os.path.join(self.rec_path, "user_info.csv"), 'w') as f:
                for name, val in self.user_info.iteritems():
                    f.write("%s\t%s\n" % (name, val))
        except Exception:
            logger.exception(
                "Could not save userdata. Please report this bug!")

        self.close_info_menu()

        if self.audio_writer:
            self.audio_writer = None

        self.running = False
        self.menu.read_only = False
        self.button.status_text = ''

    def cleanup(self):
        """gets called when the plugin get terminated.
           either volunatily or forced.
        """
        if self.running:
            self.stop()
        self.deinit_gui()

    def set_rec_dir(self, val):
        try:
            n_path = os.path.expanduser(val)
            logger.debug("Expanded user path.")
        except:
            n_path = val
        if not n_path:
            logger.warning("Please specify a path.")
        elif not os.path.isdir(n_path):
            logger.warning("This is not a valid path.")
        # elif not os.access(n_path, os.W_OK):
        elif not writable_dir(n_path):
            logger.warning("Do not have write access to '%s'." % n_path)
        else:
            self.rec_dir = n_path

    def set_session_name(self, val):
        if not val:
            self.session_name = get_auto_name()
        else:
            if '/' in val:
                logger.warning(
                    'You session name with create one or more subdirectories')
            self.session_name = val
Exemplo n.º 2
0
class Recorder(Plugin):
    """Capture Recorder"""
    def __init__(self,g_pool,session_name = get_auto_name(),rec_dir=None, user_info={'name':'','additional_field':'change_me'},info_menu_conf={},show_info_menu=False, record_eye = False, audio_src = 'No Audio',raw_jpeg=False):
        super(Recorder, self).__init__(g_pool)
        #update name if it was autogenerated.
        if session_name.startswith('20') and len(session_name)==10:
            session_name = get_auto_name()

        base_dir = self.g_pool.user_dir.rsplit(os.path.sep,1)[0]
        default_rec_dir = os.path.join(base_dir,'recordings')

        if rec_dir and rec_dir != default_rec_dir and self.verify_path(rec_dir):
            self.rec_dir = rec_dir
        else:
            try:
                os.makedirs(default_rec_dir)
            except OSError as e:
                if e.errno != errno.EEXIST:
                    logger.error("Could not create Rec dir")
                    raise e
            else:
                logger.info('Created standard Rec dir at "%s"'%default_rec_dir)
            self.rec_dir = default_rec_dir

        self.raw_jpeg = raw_jpeg
        self.order = .9
        self.record_eye = record_eye
        self.session_name = session_name
        self.audio_devices_dict = Audio_Input_Dict()
        if audio_src in self.audio_devices_dict.keys():
            self.audio_src = audio_src
        else:
            self.audio_src = 'No Audio'
        self.running = False
        self.menu = None
        self.button = None

        self.user_info = user_info
        self.show_info_menu = show_info_menu
        self.info_menu = None
        self.info_menu_conf = info_menu_conf


    def get_init_dict(self):
        d = {}
        d['record_eye'] = self.record_eye
        d['audio_src'] = self.audio_src
        d['session_name'] = self.session_name
        d['user_info'] = self.user_info
        d['info_menu_conf'] = self.info_menu_conf
        d['show_info_menu'] = self.show_info_menu
        d['rec_dir'] = self.rec_dir
        d['raw_jpeg'] = self.raw_jpeg
        return d


    def init_gui(self):
        self.menu = ui.Growing_Menu('Recorder')
        self.g_pool.sidebar.insert(3,self.menu)
        self.menu.append(ui.Info_Text('Pupil recordings are saved like this: "path_to_recordings/recording_session_name/nnn" where "nnn" is an increasing number to avoid overwrites. You can use "/" in your session name to create subdirectories.'))
        self.menu.append(ui.Info_Text('Recordings are saved to "~/pupil_recordings". You can change the path here but note that invalid input will be ignored.'))
        self.menu.append(ui.Text_Input('rec_dir',self,setter=self.set_rec_dir,label='Path to recordings'))
        self.menu.append(ui.Text_Input('session_name',self,setter=self.set_session_name,label='Recording session name'))
        self.menu.append(ui.Switch('show_info_menu',self,on_val=True,off_val=False,label='Request additional user info'))
        self.menu.append(ui.Selector('raw_jpeg',self,selection = [True,False], labels=["bigger file, less CPU", "smaller file, more CPU"],label='compression'))
        self.menu.append(ui.Info_Text('Recording the raw eye video is optional. We use it for debugging.'))
        self.menu.append(ui.Switch('record_eye',self,on_val=True,off_val=False,label='Record eye'))
        self.menu.append(ui.Selector('audio_src',self, selection=self.audio_devices_dict.keys()))

        self.button = ui.Thumb('running',self,setter=self.toggle,label='Record',hotkey='r')
        self.button.on_color[:] = (1,.0,.0,.8)
        self.g_pool.quickbar.insert(1,self.button)


    def deinit_gui(self):
        if self.menu:
            self.g_pool.sidebar.remove(self.menu)
            self.menu = None
        if self.button:
            self.g_pool.quickbar.remove(self.button)
            self.button = None



    def toggle(self, _=None):
        if self.running:
            self.stop()
        else:
            self.start()

    def on_notify(self,notification):
        if notification['subject'] == 'rec_should_start':
            if self.running:
                logger.warning('Recording is already running!')
            else:
                self.set_session_name(notification["session_name"])
                self.start(network_propagate=notification.get('network_propagate',True))
        elif notification['subject'] == 'rec_should_stop':
            if self.running:
                self.stop(network_propagate=notification.get('network_propagate',True))
            else:
                logger.warning('Recording is already stopped!')


    def get_rec_time_str(self):
        rec_time = gmtime(time()-self.start_time)
        return strftime("%H:%M:%S", rec_time)

    def start(self,network_propagate=True):
        self.timestamps = []
        self.data = {'pupil_positions':[],'gaze_positions':[]}
        self.pupil_pos_list = []
        self.gaze_pos_list = []

        self.frame_count = 0
        self.running = True
        self.menu.read_only = True
        self.start_time = time()

        session = os.path.join(self.rec_dir, self.session_name)
        try:
            os.makedirs(session)
            logger.debug("Created new recordings session dir %s"%session)

        except:
            logger.debug("Recordings session dir %s already exists, using it." %session)

        # set up self incrementing folder within session folder
        counter = 0
        while True:
            self.rec_path = os.path.join(session, "%03d/" % counter)
            try:
                os.mkdir(self.rec_path)
                logger.debug("Created new recording dir %s"%self.rec_path)
                break
            except:
                logger.debug("We dont want to overwrite data, incrementing counter & trying to make new data folder")
                counter += 1

        self.meta_info_path = os.path.join(self.rec_path, "info.csv")

        with open(self.meta_info_path, 'w') as f:
            f.write("Recording Name\t"+self.session_name+ "\n")
            f.write("Start Date\t"+ strftime("%d.%m.%Y", localtime(self.start_time))+ "\n")
            f.write("Start Time\t"+ strftime("%H:%M:%S", localtime(self.start_time))+ "\n")


        if self.audio_src != 'No Audio':
            audio_path = os.path.join(self.rec_path, "world.wav")
            self.audio_writer = Audio_Capture(audio_path,self.audio_devices_dict[self.audio_src])
        else:
            self.audio_writer = None

        if self.raw_jpeg and self.g_pool.capture.jpeg_support:
            self.video_path = os.path.join(self.rec_path, "world.mp4")
            self.writer = JPEG_Writer(self.video_path,self.g_pool.capture.frame_rate)
        else:
            self.video_path = os.path.join(self.rec_path, "world.mp4")
            self.writer = AV_Writer(self.video_path,fps=self.g_pool.capture.frame_rate)
        # positions path to eye process
        if self.record_eye:
            for tx in self.g_pool.eye_tx:
                tx.send((self.rec_path,self.raw_jpeg))

        if self.show_info_menu:
            self.open_info_menu()

        self.notify_all( {'subject':'rec_started','rec_path':self.rec_path,'session_name':self.session_name,'network_propagate':network_propagate} )

    def open_info_menu(self):
        self.info_menu = ui.Growing_Menu('additional Recording Info',size=(300,300),pos=(300,300))
        self.info_menu.configuration = self.info_menu_conf

        def populate_info_menu():
            self.info_menu.elements[:-2] = []
            for name in self.user_info.iterkeys():
                self.info_menu.insert(0,ui.Text_Input(name,self.user_info))

        def set_user_info(new_string):
            self.user_info = new_string
            populate_info_menu()

        populate_info_menu()
        self.info_menu.append(ui.Info_Text('Use the *user info* field to add/remove additional fields and their values. The format must be a valid Python dictionary. For example -- {"key":"value"}. You can add as many fields as you require. Your custom fields will be saved for your next session.'))
        self.info_menu.append(ui.Text_Input('user_info',self,setter=set_user_info,label="User info"))
        self.g_pool.gui.append(self.info_menu)

    def close_info_menu(self):
        if self.info_menu:
            self.info_menu_conf = self.info_menu.configuration
            self.g_pool.gui.remove(self.info_menu)
            self.info_menu = None

    def update(self,frame,events):
        if self.running:
            self.data['pupil_positions'] += events['pupil_positions']
            self.data['gaze_positions'] += events['gaze_positions']
            self.timestamps.append(frame.timestamp)
            self.writer.write_video_frame(frame)
            self.frame_count += 1

            # cv2.putText(frame.img, "Frame %s"%self.frame_count,(200,200), cv2.FONT_HERSHEY_SIMPLEX,1,(255,100,100))
            for p in events['pupil_positions']:
                pupil_pos = p['timestamp'],p['confidence'],p['id'],p['norm_pos'][0],p['norm_pos'][1],p['diameter']
                self.pupil_pos_list.append(pupil_pos)

            for g in events.get('gaze_positions',[]):
                gaze_pos = g['timestamp'],g['confidence'],g['norm_pos'][0],g['norm_pos'][1]
                self.gaze_pos_list.append(gaze_pos)

            self.button.status_text = self.get_rec_time_str()

    def stop(self,network_propagate=True):
        #explicit release of VideoWriter
        self.writer.release()
        self.writer = None

        if self.record_eye:
            for tx in self.g_pool.eye_tx:
                try:
                    tx.send((None,None))
                except:
                    logger.warning("Could not stop eye-recording. Please report this bug!")

        save_object(self.data,os.path.join(self.rec_path, "pupil_data"))

        gaze_list_path = os.path.join(self.rec_path, "gaze_positions.npy")
        np.save(gaze_list_path,np.asarray(self.gaze_pos_list))

        pupil_list_path = os.path.join(self.rec_path, "pupil_positions.npy")
        np.save(pupil_list_path,np.asarray(self.pupil_pos_list))

        timestamps_path = os.path.join(self.rec_path, "world_timestamps.npy")
        # ts = sanitize_timestamps(np.array(self.timestamps))
        ts = np.array(self.timestamps)
        np.save(timestamps_path,ts)

        try:
            copy2(os.path.join(self.g_pool.user_dir,"surface_definitions"),os.path.join(self.rec_path,"surface_definitions"))
        except:
            logger.info("No surface_definitions data found. You may want this if you do marker tracking.")

        try:
            copy2(os.path.join(self.g_pool.user_dir,"cal_pt_cloud.npy"),os.path.join(self.rec_path,"cal_pt_cloud.npy"))
        except:
            logger.warning("No calibration data found. Please calibrate first.")

        try:
            copy2(os.path.join(self.g_pool.user_dir,"camera_calibration"),os.path.join(self.rec_path,"camera_calibration"))
        except:
            logger.info("No camera calibration found.")

        try:
            with open(self.meta_info_path, 'a') as f:
                f.write("Duration Time\t"+ self.get_rec_time_str()+ "\n")
                if self.g_pool.binocular:
                    f.write("Eye Mode\tbinocular\n")
                else:
                    f.write("Eye Mode\tmonocular\n")
                f.write("Duration Time\t"+ self.get_rec_time_str()+ "\n")
                f.write("World Camera Frames\t"+ str(self.frame_count)+ "\n")
                f.write("World Camera Resolution\t"+ str(self.g_pool.capture.frame_size[0])+"x"+str(self.g_pool.capture.frame_size[1])+"\n")
                f.write("Capture Software Version\t%s\n"%self.g_pool.version)
                if platform.system() == "Windows":
                    username = os.environ["USERNAME"]
                    sysname, nodename, release, version, machine, _ = platform.uname()
                else:
                    username = getpass.getuser()
                    try:
                        sysname, nodename, release, version, machine = os.uname()
                    except:
                        sysname, nodename, release, version, machine = sys.platform,None,None,None,None
                f.write("User\t"+username+"\n")
                f.write("Platform\t"+sysname+"\n")
                f.write("Machine\t"+nodename+"\n")
                f.write("Release\t"+release+"\n")
                f.write("Version\t"+version+"\n")
        except Exception:
            logger.exception("Could not save metadata. Please report this bug!")

        try:
            with open(os.path.join(self.rec_path, "user_info.csv"), 'w') as f:
                for name,val in self.user_info.iteritems():
                    f.write("%s\t%s\n"%(name,val))
        except Exception:
            logger.exception("Could not save userdata. Please report this bug!")


        self.close_info_menu()

        if self.audio_writer:
            self.audio_writer = None

        self.running = False
        self.menu.read_only = False
        self.button.status_text = ''

        self.timestamps = []
        self.data = {'pupil_positions':[],'gaze_positions':[]}
        self.pupil_pos_list = []
        self.gaze_pos_list = []


        self.notify_all( {'subject':'rec_stopped','rec_path':self.rec_path,'network_propagate':network_propagate} )



    def cleanup(self):
        """gets called when the plugin get terminated.
           either volunatily or forced.
        """
        if self.running:
            self.stop()
        self.deinit_gui()

    def verify_path(self,val):
        try:
            n_path = os.path.expanduser(val)
            logger.debug("Expanded user path.")
        except:
            n_path = val
        if not n_path:
            logger.warning("Please specify a path.")
            return False
        elif not os.path.isdir(n_path):
            logger.warning("This is not a valid path.")
            return False
        # elif not os.access(n_path, os.W_OK):
        elif not writable_dir(n_path):
            logger.warning("Do not have write access to '%s'."%n_path)
            return False
        else:
            return n_path

    def set_rec_dir(self,val):
        n_path = self.verify_path(val)
        if n_path:
            self.rec_dir = n_path

    def set_session_name(self, val):
        if not val:
            self.session_name = get_auto_name()
        else:
            if '/' in val:
                logger.warning('You session name will create one or more subdirectories')
            self.session_name = val
Exemplo n.º 3
0
class Recorder(Plugin):
    """Capture Recorder"""
    def __init__(self,g_pool,session_name = get_auto_name(),rec_dir=None, user_info={'name':'','additional_field':'change_me'},info_menu_conf={},show_info_menu=False, record_eye = False, audio_src = 'No Audio',raw_jpeg=True):
        super(Recorder, self).__init__(g_pool)
        #update name if it was autogenerated.
        if session_name.startswith('20') and len(session_name)==10:
            session_name = get_auto_name()

        base_dir = self.g_pool.user_dir.rsplit(os.path.sep,1)[0]
        default_rec_dir = os.path.join(base_dir,'recordings')

        if rec_dir and rec_dir != default_rec_dir and self.verify_path(rec_dir):
            self.rec_dir = rec_dir
        else:
            try:
                os.makedirs(default_rec_dir)
            except OSError as e:
                if e.errno != errno.EEXIST:
                    logger.error("Could not create Rec dir")
                    raise e
            else:
                logger.info('Created standard Rec dir at "%s"'%default_rec_dir)
            self.rec_dir = default_rec_dir

        self.raw_jpeg = raw_jpeg
        self.order = .9
        self.record_eye = record_eye
        self.session_name = session_name
        self.audio_devices_dict = Audio_Input_Dict()
        if audio_src in self.audio_devices_dict.keys():
            self.audio_src = audio_src
        else:
            self.audio_src = 'No Audio'
        self.running = False
        self.menu = None
        self.button = None

        self.user_info = user_info
        self.show_info_menu = show_info_menu
        self.info_menu = None
        self.info_menu_conf = info_menu_conf


    def get_init_dict(self):
        d = {}
        d['record_eye'] = self.record_eye
        d['audio_src'] = self.audio_src
        d['session_name'] = self.session_name
        d['user_info'] = self.user_info
        d['info_menu_conf'] = self.info_menu_conf
        d['show_info_menu'] = self.show_info_menu
        d['rec_dir'] = self.rec_dir
        d['raw_jpeg'] = self.raw_jpeg
        return d


    def init_gui(self):
        self.menu = ui.Growing_Menu('Recorder')
        self.g_pool.sidebar.insert(3,self.menu)
        self.menu.append(ui.Info_Text('Pupil recordings are saved like this: "path_to_recordings/recording_session_name/nnn" where "nnn" is an increasing number to avoid overwrites. You can use "/" in your session name to create subdirectories.'))
        self.menu.append(ui.Info_Text('Recordings are saved to "~/pupil_recordings". You can change the path here but note that invalid input will be ignored.'))
        self.menu.append(ui.Text_Input('rec_dir',self,setter=self.set_rec_dir,label='Path to recordings'))
        self.menu.append(ui.Text_Input('session_name',self,setter=self.set_session_name,label='Recording session name'))
        self.menu.append(ui.Switch('show_info_menu',self,on_val=True,off_val=False,label='Request additional user info'))
        self.menu.append(ui.Selector('raw_jpeg',self,selection = [True,False], labels=["bigger file, less CPU", "smaller file, more CPU"],label='Compression'))
        self.menu.append(ui.Info_Text('Recording the raw eye video is optional. We use it for debugging.'))
        self.menu.append(ui.Switch('record_eye',self,on_val=True,off_val=False,label='Record eye'))
        self.menu.append(ui.Selector('audio_src',self, selection=self.audio_devices_dict.keys(),label='Audio Source'))

        self.button = ui.Thumb('running',self,setter=self.toggle,label='Record',hotkey='r')
        self.button.on_color[:] = (1,.0,.0,.8)
        self.g_pool.quickbar.insert(1,self.button)


    def deinit_gui(self):
        if self.menu:
            self.g_pool.sidebar.remove(self.menu)
            self.menu = None
        if self.button:
            self.g_pool.quickbar.remove(self.button)
            self.button = None



    def toggle(self, _=None):
        if self.running:
            self.notify_all( {'subject':'should_stop_recording','network_propagate':True} )
        else:
            self.notify_all( {'subject':'should_start_recording','session_name':self.session_name,'network_propagate':True} )


    def on_notify(self,notification):

        # notification wants to be recorded
        if notification.get('record',False) and self.running:
            self.data['notifications'].append(notification)


        # Notificatio to start recording
        elif notification['subject'] == 'should_start_recording':
            if self.running:
                logger.info('Recording already running!')
            else:
                if notification.get("session_name",""):
                    self.set_session_name(notification["session_name"])
                self.start()
        # Remote has stopped recording, we should stop as well.
        elif notification['subject'] == 'should_stop_recording':
            if self.running:
                self.stop()
            else:
                logger.info('Recording already stopped!')


    def get_rec_time_str(self):
        rec_time = gmtime(time()-self.start_time)
        return strftime("%H:%M:%S", rec_time)

    def start(self):
        self.timestamps = []
        self.data = {'pupil_positions':[],'gaze_positions':[],'notifications':[]}
        self.pupil_diameter = []  #addBy Changsoon
        self.gaze_point_z = []    #addBy Changsoon
        self.gaze_point_x = []    #addBy Changsoon
        self.gaze_point_y = []    #addBy Changsoon
        self.cnum = 0
        self.frame_count = 0
        self.running = True
        self.menu.read_only = True
        self.start_time = time()

        session = os.path.join(self.rec_dir, self.session_name)
        try:
            os.makedirs(session)
            logger.debug("Created new recordings session dir %s"%session)

        except:
            logger.debug("Recordings session dir %s already exists, using it." %session)

        # set up self incrementing folder within session folder
        counter = 0
        while True:
            self.rec_path = os.path.join(session, "%03d/" % counter)
            try:
                os.mkdir(self.rec_path)
                logger.debug("Created new recording dir %s"%self.rec_path)
                break
            except:
                logger.debug("We dont want to overwrite data, incrementing counter & trying to make new data folder")
                counter += 1

        self.meta_info_path = os.path.join(self.rec_path, "info.csv")

        with open(self.meta_info_path, 'w') as f:
            f.write("Recording Name\t"+self.session_name+ "\n")
            f.write("Start Date\t"+ strftime("%d.%m.%Y", localtime(self.start_time))+ "\n")
            f.write("Start Time\t"+ strftime("%H:%M:%S", localtime(self.start_time))+ "\n")


        if self.audio_src != 'No Audio':
            audio_path = os.path.join(self.rec_path, "world.wav")
            self.audio_writer = Audio_Capture(audio_path,self.audio_devices_dict[self.audio_src])
        else:
            self.audio_writer = None

        if self.raw_jpeg and self.g_pool.capture.jpeg_support:
            self.video_path = os.path.join(self.rec_path, "world.mp4")
            self.writer = JPEG_Writer(self.video_path,self.g_pool.capture.frame_rate)
        else:
            self.video_path = os.path.join(self.rec_path, "world.mp4")
            self.writer = AV_Writer(self.video_path,fps=self.g_pool.capture.frame_rate)

        # positions path to eye process
        if self.record_eye:
            for alive, pipe in zip(self.g_pool.eyes_are_alive,self.g_pool.eye_pipes):
                if alive.value:
                    pipe.send( ('Rec_Start',(self.rec_path,self.raw_jpeg) ) )

        if self.show_info_menu:
            self.open_info_menu()
        logger.info("Started Recording.")
        self.notify_all( {'subject':'rec_started','rec_path':self.rec_path,'session_name':self.session_name,'network_propagate':True} )

    def open_info_menu(self):
        self.info_menu = ui.Growing_Menu('additional Recording Info',size=(300,300),pos=(300,300))
        self.info_menu.configuration = self.info_menu_conf

        def populate_info_menu():
            self.info_menu.elements[:-2] = []
            for name in self.user_info.iterkeys():
                self.info_menu.insert(0,ui.Text_Input(name,self.user_info))

        def set_user_info(new_string):
            self.user_info = new_string
            populate_info_menu()

        populate_info_menu()
        self.info_menu.append(ui.Info_Text('Use the *user info* field to add/remove additional fields and their values. The format must be a valid Python dictionary. For example -- {"key":"value"}. You can add as many fields as you require. Your custom fields will be saved for your next session.'))
        self.info_menu.append(ui.Text_Input('user_info',self,setter=set_user_info,label="User info"))
        self.g_pool.gui.append(self.info_menu)

    def close_info_menu(self):
        if self.info_menu:
            self.info_menu_conf = self.info_menu.configuration
            self.g_pool.gui.remove(self.info_menu)
            self.info_menu = None

    def update(self,frame,events):
        if self.running:
            for key,data in events.iteritems():
                if key not in ('dt'):
                    try:
                        self.data[key] += data
                        if (key == 'pupil_positions'):
                            try:
                                pupilDict = data[0]
                                self.pupil_diameter.append(pupilDict.get('diameter'))
                            except:
                                print('error');
                        elif (key == 'gaze_positions'):
                            try:
                                gazeDict = data[0]
                                self.gaze_point_x.append(gazeDict.get('norm_pos')[0])
                                self.gaze_point_y.append(gazeDict.get('norm_pos')[1])
                                self.gaze_point_z.append(gazeDict.get('gaze_point_3d')[2])
                            except:
                                print('error')
                        #image process (OCR) find the condion that show use OCR
                    except KeyError:
                        self.data[key] = []
                        self.data[key] += data

            print str(self.cnum) 
            self.cnum = self.cnum + 1  
            if len(self.gaze_point_x) > 0 and self.cnum == 30:
                print('Enter TO the block')
	        height = (1 - self.gaze_point_y[-1]) * 720
	        height = int(height)
	        image = frame.img
	        if (height < 100):
	            image = frame.img[0:height+200, 300:1000]
	        elif (height > 520):
	            image = frame.img[height-100:720, 300:1000]
	        else:
	            image = frame.img[height-100:height+200, 300:1000]
	        cv2.imwrite('/home/eyetracking/pupil/'+"frame%d.jpg" %self.cnum,image)
	        image=Image.open('/home/eyetracking/pupil/'+"frame%d.jpg" %self.cnum)
	        enhancer = ImageEnhance.Contrast(image)
	        image = enhancer.enhance(4)
	        totemp = sys.stdout
	        sys.stdout = codecs.open('/home/eyetracking/pupil/ocr.txt', encoding='utf-8', mode='w+')   #save the OCR
	        print image_to_string(image)
	        sys.stdout.close()
	        sys.stdout = totemp
                try:
                    i=300
                    for line in open('/home/eyetracking/pupil/ocr.txt'):
                        i=i+20
                        cv2.putText(dst, line,(0,i), cv2.FONT_HERSHEY_COMPLEX,0.6,(0,0,255))
                    cv2.imshow("window",dst)
                    cv2.waitKey(33)
                except Exception as error:
                    print(error)
            self.timestamps.append(frame.timestamp)
            self.writer.write_video_frame(frame)
            self.frame_count += 1

            # # cv2.putText(frame.img, "Frame %s"%self.frame_count,(200,200), cv2.FONT_HERSHEY_SIMPLEX,1,(255,100,100))

            self.button.status_text = self.get_rec_time_str()

    def stop(self):
        #explicit release of VideoWriter
        self.writer.release()
        self.writer = None

        if self.record_eye:
            for alive, pipe in zip(self.g_pool.eyes_are_alive,self.g_pool.eye_pipes):
                if alive.value:
                    pipe.send(('Rec_Stop',None))

        save_object(self.data,os.path.join(self.rec_path, "pupil_data"))

        timestamps_path = os.path.join(self.rec_path, "world_timestamps.npy")
        # ts = sanitize_timestamps(np.array(self.timestamps))
        ts = np.array(self.timestamps)
        np.save(timestamps_path,ts)

        try:
            copy2(os.path.join(self.g_pool.user_dir,"surface_definitions"),os.path.join(self.rec_path,"surface_definitions"))
        except:
            logger.info("No surface_definitions data found. You may want this if you do marker tracking.")
        try:
            copy2(os.path.join(self.g_pool.user_dir,"user_calibration_data"),os.path.join(self.rec_path,"user_calibration_data"))
        except:
            logger.warning("No user calibration data found. Please calibrate first.")

        camera_calibration = load_camera_calibration(self.g_pool)
        if camera_calibration is not None:
            save_object(camera_calibration,os.path.join(self.rec_path, "camera_calibration"))
        else:
            logger.info("No camera calibration found.")

        try:
            with open(self.meta_info_path, 'a') as f:
                f.write("Duration Time\t"+ self.get_rec_time_str()+ "\n")
                f.write("World Camera Frames\t"+ str(self.frame_count)+ "\n")
                f.write("World Camera Resolution\t"+ str(self.g_pool.capture.frame_size[0])+"x"+str(self.g_pool.capture.frame_size[1])+"\n")
                f.write("Capture Software Version\t%s\n"%self.g_pool.version)
                f.write("System Info\t%s"%get_system_info())
        except Exception:
            logger.exception("Could not save metadata. Please report this bug!")

        try:
            with open(os.path.join(self.rec_path, "user_info.csv"), 'w') as f:
                for name,val in self.user_info.iteritems():
                    f.write("%s\t%s\n"%(name,val))
        except Exception:
            logger.exception("Could not save userdata. Please report this bug!")


        self.close_info_menu()

        if self.audio_writer:
            self.audio_writer = None

        self.running = False
        self.menu.read_only = False
        self.button.status_text = ''

        self.timestamps = []
        self.data = {'pupil_positions':[],'gaze_positions':[]}
        self.pupil_pos_list = []
        self.gaze_pos_list = []

        logger.info("Saved Recording.")
        self.notify_all( {'subject':'rec_stopped','rec_path':self.rec_path,'network_propagate':True} )

    def cleanup(self):
        """gets called when the plugin get terminated.
           either volunatily or forced.
        """
        if self.running:
            self.stop()
        self.deinit_gui()

    def verify_path(self,val):
        try:
            n_path = os.path.expanduser(val)
            logger.debug("Expanded user path.")
        except:
            n_path = val
        if not n_path:
            logger.warning("Please specify a path.")
            return False
        elif not os.path.isdir(n_path):
            logger.warning("This is not a valid path.")
            return False
        # elif not os.access(n_path, os.W_OK):
        elif not writable_dir(n_path):
            logger.warning("Do not have write access to '%s'."%n_path)
            return False
        else:
            return n_path

    def set_rec_dir(self,val):
        n_path = self.verify_path(val)
        if n_path:
            self.rec_dir = n_path

    def set_session_name(self, val):
        if not val:
            self.session_name = get_auto_name()
        else:
            if '/' in val:
                logger.warning('You session name will create one or more subdirectories')
            self.session_name = val
Exemplo n.º 4
0
class Audio_Capture(Plugin):
    """docstring for Audio_Capture"""

    icon_chr = chr(0xE029)
    icon_font = "pupil_icons"

    def __init__(self, g_pool, audio_src="No Audio"):
        super().__init__(g_pool)
        self.audio_devices_dict = Audio_Input_Dict()
        if audio_src in list(self.audio_devices_dict.keys()):
            self.audio_src = audio_src
        else:
            self.audio_src = "No Audio"

        self.thread = None
        self.running = Event()
        self.recording = Event()
        self.recording.clear()
        self.audio_container = None
        self.audio_out_stream = None
        self.queue = queue.Queue()
        self.start_capture(self.audio_src)

    def init_ui(self):
        self.add_menu()
        self.menu.label = "Audio Capture"

        help_str = "Creates events for audio input."
        self.menu.append(ui.Info_Text(help_str))

        def audio_dev_getter():
            # fetch list of currently available
            audio_src_val = None
            if self.audio_devices_dict is not None:
                if self.audio_src in self.audio_devices_dict.keys():
                    audio_src_val = self.audio_devices_dict[self.audio_src]
            self.audio_devices_dict = Audio_Input_Dict()
            if audio_src_val is not None:
                self.audio_devices_dict[self.audio_src] = audio_src_val

            devices = list(self.audio_devices_dict.keys())
            return devices, devices

        self.menu.append(
            # TODO: potential race condition through selection_getter. Should ensure
            # that current selection will always be present in the list returned by the
            # selection_getter. Highly unlikely though as this needs to happen between
            # having clicked the Selector and the next redraw.
            # See https://github.com/pupil-labs/pyglui/pull/112/commits/587818e9556f14bfedd8ff8d093107358745c29b
            ui.Selector(
                "audio_src",
                self,
                selection_getter=audio_dev_getter,
                label="Audio Source",
                setter=self.start_capture,
            )
        )

        self.menu.append(ui.Info_Text(NOT_REC_STR))

    def deinit_ui(self):
        self.remove_menu()

    def get_init_dict(self):
        return {"audio_src": self.audio_src}

    def cleanup(self):
        if self.audio_container is not None:
            self.close_audio_recording()
        self.running.clear()
        if self.thread and self.thread.is_alive():
            self.thread.join(timeout=1)

    def on_notify(self, notification):
        if notification["subject"] == "recording.started":
            self.rec_dir = notification["rec_path"]
            self.recording.set()
            if self.running.is_set():  # and self.audio_container is None:
                self.menu[-2].read_only = True
                del self.menu[-1]
                self.menu.append(ui.Info_Text(REC_STR))
            elif not self.running.is_set():
                logger.warning("Recording was started without an active audio capture")
        elif notification["subject"] == "recording.stopped":
            self.recording.clear()
            self.close_audio_recording()

    def close_audio_recording(self):
        self.menu[-2].read_only = False
        del self.menu[-1]
        self.menu.append(ui.Info_Text(NOT_REC_STR))

    def write_audio_packet(self, audio_frame):
        # Test if audio outstream has been initialized
        if self.audio_out_stream is None:
            try:
                self.audio_out_stream = self.audio_container.add_stream("aac")
            except ValueError as e:
                # packet.stream codec is not supported in target container.
                logger.error("Failed to create audio stream. Aborting recording.")
                logger.debug("Reason: {}".format(e))
                self.close_audio_recording()

        self.timestamps.append(audio_frame.timestamp)
        packet = self.audio_out_stream.encode(audio_frame)
        if packet is not None:
            self.audio_container.mux(packet)

    def start_capture(self, audio_src):

        if self.thread and self.thread.is_alive():
            if self.audio_src == audio_src:
                return  # capture is already running for our selected source
            # else stop current capture gracefully
            self.running.clear()
            logger.debug('Closing capture for "{}"'.format(self.audio_src))
            self.thread.join(timeout=1)
            self.thread = None
        if audio_src not in self.audio_devices_dict:
            logger.warning("Selected audio source is not available anymore")
            return

        self.audio_src = audio_src
        if audio_src == "No Audio":
            return

        self.running.set()
        self.thread = Thread(
            target=self.capture_thread,
            args=(self.audio_devices_dict[audio_src], self.running, self.recording),
        )
        self.thread.start()

    def capture_thread(self, audio_src, running, recording):
        try:
            if platform.system() == "Darwin":
                in_container = av.open(
                    "none:{}".format(audio_src), format="avfoundation"
                )
            elif platform.system() == "Linux":
                print("audio src = {}".format(audio_src))
                dev_str = re.search("(hw:\s*\d+,\s*\d+)", audio_src)
                in_container = av.open(dev_str.group(0), format="alsa")
            elif platform.system() == "Windows":
                in_container = av.open(
                    "audio={}".format(audio_src),
                    format="dshow",
                    options={"audio_buffer_size": "23"},
                )
            else:
                raise av.AVError("Platform does not support audio capture.")
        except av.AVError as err:
            running.clear()
            self.audio_src = "No Audio"
            logger.warning("Error starting audio capture: {}".format(err))
            return

        in_stream = None
        try:
            in_stream = in_container.streams.audio[0]
        except IndexError:
            logger.warning("No audio stream found for selected device.")
            running.clear()
            self.audio_src = "No Audio"
            return

        out_container = None
        out_stream = None
        timestamps = None
        in_frame_size = 0

        stream_epoch = in_stream.start_time * in_stream.time_base
        uvc_clock_dif = abs(stream_epoch - self.g_pool.get_now())
        pyt_clock_dif = abs(stream_epoch - time())
        max_clock_dif = 4.0

        if uvc_clock_dif > max_clock_dif and pyt_clock_dif > max_clock_dif:
            logger.error("Could not identify audio stream clock.")
            running.clear()
            self.audio_src = "No Audio"
            return
        elif uvc_clock_dif > pyt_clock_dif:
            logger.info(
                "Audio stream uses time.time() as clock (Δ {}s)".format(pyt_clock_dif)
            )
            clock_differences = self.g_pool.get_now() - time()
        else:
            logger.info("Audio stream uses uvc.get_time_monotonic() as clock")
            clock_differences = 0

        def close_recording():
            # Bind nonlocal variables, https://www.python.org/dev/peps/pep-3104/
            nonlocal out_container, out_stream, in_stream, in_frame_size, timestamps, out_frame_num
            if out_container is not None:
                timestamps.append(timestamp)
                audio_frame.pts = None
                out_packets = [out_stream.encode(audio_frame)]
                while out_packets[-1]:
                    out_packets.append(out_stream.encode(None))
                for out_packet in out_packets:
                    if out_packet is not None:
                        out_container.mux(out_packet)
                out_container.close()

                out_frame_num = out_stream.frames
                in_frame_rate = in_stream.rate
                # in_stream.frame_size does not return the correct value.
                out_frame_size = out_stream.frame_size
                out_frame_rate = out_stream.rate

                new_ts_idx = (
                    np.arange(0, out_frame_num * out_frame_size, out_frame_size)
                    / out_frame_rate
                )
                if in_frame_rate != out_frame_rate:
                    old_ts_idx = (
                        np.arange(0, len(timestamps) * in_frame_size, in_frame_size)
                        / in_frame_rate
                    )
                    interpolate = interp1d(
                        old_ts_idx,
                        timestamps,
                        bounds_error=False,
                        fill_value="extrapolate",
                    )
                    new_ts = interpolate(new_ts_idx)
                else:
                    new_ts = timestamps[0] + new_ts_idx

                ts_loc = os.path.join(self.rec_dir, "audio_timestamps.npy")
                np.save(ts_loc, new_ts)
            out_container = None
            out_stream = None
            timestamps = None

        for packet in in_container.demux(in_stream):
            # ffmpeg timestamps - in_stream.startime = packte pts relative to startime
            # multiply with stream_timebase to get seconds
            # add start time of this stream in pupil time unadjusted
            # finally add pupil timebase offset to adjust for settable timebase.
            for audio_frame in packet.decode():
                timestamp = (
                    audio_frame.pts * in_stream.time_base
                    + clock_differences
                    - self.g_pool.timebase.value
                )

                if recording.is_set():
                    if out_container is None:
                        rec_file = os.path.join(self.rec_dir, "audio.mp4")
                        out_container = av.open(rec_file, "w")
                        out_stream = out_container.add_stream(
                            "aac", rate=in_stream.rate
                        )
                        out_frame_num = 0
                        in_frame_size = (
                            audio_frame.samples
                        )  # set here to make sure full packet size is used
                        timestamps = []

                    timestamps.append(timestamp)
                    audio_frame.pts = None
                    out_packets = [out_stream.encode(audio_frame)]
                    for out_packet in out_packets:
                        if out_packet is not None:
                            out_container.mux(out_packet)

                elif out_container is not None:
                    # recording stopped
                    close_recording()
            if not running.is_set():
                close_recording()
                return

        close_recording()
        self.audio_src = "No Audio"
        running.clear()  # in_stream stopped yielding packets
Exemplo n.º 5
0
class Recorder(Plugin):
    """Capture Recorder"""
    def __init__(self,
                 g_pool,
                 session_name=get_auto_name(),
                 rec_dir=None,
                 user_info={
                     'name': '',
                     'additional_field': 'change_me'
                 },
                 info_menu_conf={},
                 show_info_menu=False,
                 record_eye=False,
                 audio_src='No Audio',
                 raw_jpeg=True):
        super().__init__(g_pool)
        # update name if it was autogenerated.
        if session_name.startswith('20') and len(session_name) == 10:
            session_name = get_auto_name()

        base_dir = self.g_pool.user_dir.rsplit(os.path.sep, 1)[0]
        default_rec_dir = os.path.join(base_dir, 'recordings')

        if rec_dir and rec_dir != default_rec_dir and self.verify_path(
                rec_dir):
            self.rec_dir = rec_dir
        else:
            try:
                os.makedirs(default_rec_dir)
            except OSError as e:
                if e.errno != errno.EEXIST:
                    logger.error("Could not create Rec dir")
                    raise e
            else:
                logger.info(
                    'Created standard Rec dir at "{}"'.format(default_rec_dir))
            self.rec_dir = default_rec_dir

        self.raw_jpeg = raw_jpeg
        self.order = .9
        self.record_eye = record_eye
        self.session_name = session_name
        self.audio_devices_dict = Audio_Input_Dict()
        if audio_src in list(self.audio_devices_dict.keys()):
            self.audio_src = audio_src
        else:
            self.audio_src = 'No Audio'
        self.running = False
        self.menu = None
        self.button = None

        self.user_info = user_info
        self.show_info_menu = show_info_menu
        self.info_menu = None
        self.info_menu_conf = info_menu_conf

    def get_init_dict(self):
        d = {}
        d['record_eye'] = self.record_eye
        d['audio_src'] = self.audio_src
        d['session_name'] = self.session_name
        d['user_info'] = self.user_info
        d['info_menu_conf'] = self.info_menu_conf
        d['show_info_menu'] = self.show_info_menu
        d['rec_dir'] = self.rec_dir
        d['raw_jpeg'] = self.raw_jpeg
        return d

    def init_gui(self):
        self.menu = ui.Growing_Menu('Recorder')
        self.menu.collapsed = True
        self.g_pool.sidebar.insert(3, self.menu)
        self.menu.append(
            ui.Info_Text(
                'Pupil recordings are saved like this: "path_to_recordings/recording_session_name/nnn" where "nnn" is an increasing number to avoid overwrites. You can use "/" in your session name to create subdirectories.'
            ))
        self.menu.append(
            ui.Info_Text(
                'Recordings are saved to "~/pupil_recordings". You can change the path here but note that invalid input will be ignored.'
            ))
        self.menu.append(
            ui.Text_Input('rec_dir',
                          self,
                          setter=self.set_rec_dir,
                          label='Path to recordings'))
        self.menu.append(
            ui.Text_Input('session_name',
                          self,
                          setter=self.set_session_name,
                          label='Recording session name'))
        self.menu.append(
            ui.Switch('show_info_menu',
                      self,
                      on_val=True,
                      off_val=False,
                      label='Request additional user info'))
        self.menu.append(
            ui.Selector(
                'raw_jpeg',
                self,
                selection=[True, False],
                labels=["bigger file, less CPU", "smaller file, more CPU"],
                label='Compression'))
        self.menu.append(
            ui.Info_Text(
                'Recording the raw eye video is optional. We use it for debugging.'
            ))
        self.menu.append(
            ui.Switch('record_eye',
                      self,
                      on_val=True,
                      off_val=False,
                      label='Record eye'))

        def audio_dev_getter():
            # fetch list of currently available
            self.audio_devices_dict = Audio_Input_Dict()
            devices = list(self.audio_devices_dict.keys())
            return devices, devices

        self.menu.append(
            ui.Selector('audio_src',
                        self,
                        selection_getter=audio_dev_getter,
                        label='Audio Source'))

        self.button = ui.Thumb('running',
                               self,
                               setter=self.toggle,
                               label='R',
                               hotkey='r')
        self.button.on_color[:] = (1, .0, .0, .8)
        self.g_pool.quickbar.insert(1, self.button)

    def deinit_gui(self):
        if self.menu:
            self.g_pool.sidebar.remove(self.menu)
            self.menu = None
        if self.button:
            self.g_pool.quickbar.remove(self.button)
            self.button = None

    def toggle(self, _=None):
        if self.running:
            self.notify_all({'subject': 'recording.should_stop'})
            self.notify_all({
                'subject': 'recording.should_stop',
                'remote_notify': 'all'
            })
        else:
            self.notify_all({
                'subject': 'recording.should_start',
                'session_name': self.session_name
            })
            self.notify_all({
                'subject': 'recording.should_start',
                'session_name': self.session_name,
                'remote_notify': 'all'
            })

    def on_notify(self, notification):
        """Handles recorder notifications

        Reacts to notifications:
            ``recording.should_start``: Starts a new recording session
            ``recording.should_stop``: Stops current recording session

        Emits notifications:
            ``recording.started``: New recording session started
            ``recording.stopped``: Current recording session stopped

        Args:
            notification (dictionary): Notification dictionary
        """
        # notification wants to be recorded
        if notification.get('record', False) and self.running:
            if 'timestamp' not in notification:
                logger.error(
                    "Notification without timestamp will not be saved.")
            else:
                self.data['notifications'].append(notification)
        elif notification['subject'] == 'recording.should_start':
            if self.running:
                logger.info('Recording already running!')
            elif not self.g_pool.capture.online:
                logger.error(
                    "Current world capture is offline. Please reconnect or switch to fake capture"
                )
            else:
                if notification.get("session_name", ""):
                    self.set_session_name(notification["session_name"])
                self.start()

        elif notification['subject'] == 'recording.should_stop':
            if self.running:
                self.stop()
            else:
                logger.info('Recording already stopped!')

    def get_rec_time_str(self):
        rec_time = gmtime(time() - self.start_time)
        return strftime("%H:%M:%S", rec_time)

    def start(self):
        self.timestamps = []
        self.data = {
            'pupil_positions': [],
            'gaze_positions': [],
            'notifications': []
        }
        self.frame_count = 0
        self.running = True
        self.menu.read_only = True
        self.start_time = time()

        session = os.path.join(self.rec_dir, self.session_name)
        try:
            os.makedirs(session)
            logger.debug(
                "Created new recordings session dir {}".format(session))

        except:
            logger.debug(
                "Recordings session dir {} already exists, using it.".format(
                    session))

        # set up self incrementing folder within session folder
        counter = 0
        while True:
            self.rec_path = os.path.join(session, "{:03d}/".format(counter))
            try:
                os.mkdir(self.rec_path)
                logger.debug("Created new recording dir {}".format(
                    self.rec_path))
                break
            except:
                logger.debug(
                    "We dont want to overwrite data, incrementing counter & trying to make new data folder"
                )
                counter += 1

        self.meta_info_path = os.path.join(self.rec_path, "info.csv")

        with open(self.meta_info_path, 'w', newline='') as csvfile:
            csv_utils.write_key_value_file(
                csvfile, {
                    'Recording Name': self.session_name,
                    'Start Date': strftime("%d.%m.%Y",
                                           localtime(self.start_time)),
                    'Start Time': strftime("%H:%M:%S",
                                           localtime(self.start_time))
                })

        if self.audio_src != 'No Audio':
            audio_path = os.path.join(self.rec_path, "world.wav")
            self.audio_writer = Audio_Capture(
                audio_path, self.audio_devices_dict[self.audio_src])
        else:
            self.audio_writer = None

        if self.raw_jpeg and self.g_pool.capture.jpeg_support:
            self.video_path = os.path.join(self.rec_path, "world.mp4")
            self.writer = JPEG_Writer(self.video_path,
                                      self.g_pool.capture.frame_rate)
        else:
            self.video_path = os.path.join(self.rec_path, "world.mp4")
            self.writer = AV_Writer(self.video_path,
                                    fps=self.g_pool.capture.frame_rate)

        try:
            cal_pt_path = os.path.join(self.g_pool.user_dir,
                                       "user_calibration_data")
            cal_data = load_object(cal_pt_path)
            notification = {
                'subject': 'calibration.calibration_data',
                'record': True
            }
            notification.update(cal_data)
            self.data['notifications'].append(notification)
        except:
            pass

        if self.show_info_menu:
            self.open_info_menu()
        logger.info("Started Recording.")
        self.notify_all({
            'subject': 'recording.started',
            'rec_path': self.rec_path,
            'session_name': self.session_name,
            'record_eye': self.record_eye,
            'compression': self.raw_jpeg
        })

    def open_info_menu(self):
        self.info_menu = ui.Growing_Menu('additional Recording Info',
                                         size=(300, 300),
                                         pos=(300, 300))
        self.info_menu.configuration = self.info_menu_conf

        def populate_info_menu():
            self.info_menu.elements[:-2] = []
            for name in self.user_info.keys():
                self.info_menu.insert(0, ui.Text_Input(name, self.user_info))

        def set_user_info(new_string):
            self.user_info = new_string
            populate_info_menu()

        populate_info_menu()
        self.info_menu.append(
            ui.Info_Text(
                'Use the *user info* field to add/remove additional fields and their values. The format must be a valid Python dictionary. For example -- {"key":"value"}. You can add as many fields as you require. Your custom fields will be saved for your next session.'
            ))
        self.info_menu.append(
            ui.Text_Input('user_info',
                          self,
                          setter=set_user_info,
                          label="User info"))
        self.g_pool.gui.append(self.info_menu)

    def close_info_menu(self):
        if self.info_menu:
            self.info_menu_conf = self.info_menu.configuration
            self.g_pool.gui.remove(self.info_menu)
            self.info_menu = None

    def recent_events(self, events):
        if self.running:
            for key, data in events.items():
                if key not in ('dt', 'frame'):
                    try:
                        self.data[key] += data
                    except KeyError:
                        self.data[key] = []
                        self.data[key] += data

            if 'frame' in events:
                frame = events['frame']
                self.timestamps.append(frame.timestamp)
                self.writer.write_video_frame(frame)
                self.frame_count += 1

            # # cv2.putText(frame.img, "Frame %s"%self.frame_count,(200,200), cv2.FONT_HERSHEY_SIMPLEX,1,(255,100,100))

            self.button.status_text = self.get_rec_time_str()

    def stop(self):
        # explicit release of VideoWriter
        self.writer.release()
        self.writer = None

        save_object(self.data, os.path.join(self.rec_path, "pupil_data"))

        timestamps_path = os.path.join(self.rec_path, "world_timestamps.npy")
        # ts = sanitize_timestamps(np.array(self.timestamps))
        ts = np.array(self.timestamps)
        np.save(timestamps_path, ts)

        try:
            copy2(os.path.join(self.g_pool.user_dir, "surface_definitions"),
                  os.path.join(self.rec_path, "surface_definitions"))
        except:
            logger.info(
                "No surface_definitions data found. You may want this if you do marker tracking."
            )

        camera_calibration = load_camera_calibration(self.g_pool)
        if camera_calibration is not None:
            save_object(camera_calibration,
                        os.path.join(self.rec_path, "camera_calibration"))
        else:
            logger.info("No camera calibration found.")

        try:
            with open(self.meta_info_path, 'a', newline='') as csvfile:
                csv_utils.write_key_value_file(csvfile, {
                    'Duration Time':
                    self.get_rec_time_str(),
                    'World Camera Frames':
                    self.frame_count,
                    'World Camera Resolution':
                    str(self.g_pool.capture.frame_size[0]) + "x" +
                    str(self.g_pool.capture.frame_size[1]),
                    'Capture Software Version':
                    self.g_pool.version,
                    'Data Format Version':
                    self.g_pool.version,
                    'System Info':
                    get_system_info()
                },
                                               append=True)
        except Exception:
            logger.exception(
                "Could not save metadata. Please report this bug!")

        try:
            with open(os.path.join(self.rec_path, "user_info.csv"),
                      'w',
                      newline='') as csvfile:
                csv_utils.write_key_value_file(csvfile, self.user_info)
        except Exception:
            logger.exception(
                "Could not save userdata. Please report this bug!")

        self.close_info_menu()

        if self.audio_writer:
            self.audio_writer = None

        self.running = False
        self.menu.read_only = False
        self.button.status_text = ''

        self.timestamps = []
        self.data = {'pupil_positions': [], 'gaze_positions': []}
        self.pupil_pos_list = []
        self.gaze_pos_list = []

        logger.info("Saved Recording.")
        self.notify_all({
            'subject': 'recording.stopped',
            'rec_path': self.rec_path
        })

    def cleanup(self):
        """gets called when the plugin get terminated.
           either volunatily or forced.
        """
        if self.running:
            self.stop()
        self.deinit_gui()

    def verify_path(self, val):
        try:
            n_path = os.path.expanduser(val)
            logger.debug("Expanded user path.")
        except:
            n_path = val
        if not n_path:
            logger.warning("Please specify a path.")
            return False
        elif not os.path.isdir(n_path):
            logger.warning("This is not a valid path.")
            return False
        # elif not os.access(n_path, os.W_OK):
        elif not writable_dir(n_path):
            logger.warning("Do not have write access to '{}'.".format(n_path))
            return False
        else:
            return n_path

    def set_rec_dir(self, val):
        n_path = self.verify_path(val)
        if n_path:
            self.rec_dir = n_path

    def set_session_name(self, val):
        if not val:
            self.session_name = get_auto_name()
        else:
            if os.path.sep in val:
                logger.warning(
                    'You session name will create one or more subdirectories')
            self.session_name = val
Exemplo n.º 6
0
class Audio_Capture(Plugin):
    """docstring for Audio_Capture"""
    def __init__(self, g_pool, audio_src='No Audio'):
        super().__init__(g_pool)
        self.audio_devices_dict = Audio_Input_Dict()
        if audio_src in list(self.audio_devices_dict.keys()):
            self.audio_src = audio_src
        else:
            self.audio_src = 'No Audio'

        self.thread = None
        self.running = Event()
        self.recording = Event()
        self.recording.clear()
        self.audio_container = None
        self.audio_out_stream = None
        self.queue = queue.Queue()
        self.start_capture(self.audio_src)

    def init_gui(self):
        self.menu = ui.Growing_Menu('Audio Capture')
        self.menu.collapsed = True
        self.g_pool.sidebar.append(self.menu)

        def close():
            self.alive = False
        help_str = 'Creates events for audio input.'
        self.menu.append(ui.Button('Close', close))
        self.menu.append(ui.Info_Text(help_str))

        def audio_dev_getter():
            # fetch list of currently available
            self.audio_devices_dict = Audio_Input_Dict()
            devices = list(self.audio_devices_dict.keys())
            return devices, devices

        self.menu.append(ui.Selector('audio_src', self,
                                     selection_getter=audio_dev_getter,
                                     label='Audio Source',
                                     setter=self.start_capture))

        self.menu.append(ui.Info_Text(NOT_REC_STR))

    def get_init_dict(self):
        return {'audio_src': self.audio_src}

    def deinit_gui(self):
        if self.menu:
            self.g_pool.sidebar.remove(self.menu)
            self.menu = None

    def cleanup(self):
        if self.audio_container is not None:
            self.close_audio_recording()
        self.running.clear()
        self.deinit_gui()
        if self.thread and self.thread.is_alive():
            self.thread.join(timeout=1)

    def on_notify(self, notification):
        if notification['subject'] == 'recording.started':
            self.rec_dir = notification['rec_path']
            self.recording.set()
            if self.running.is_set():  # and self.audio_container is None:
                self.menu[-2].read_only = True
                del self.menu[-1]
                self.menu.append(ui.Info_Text(REC_STR))
            elif not self.running.is_set():
                logger.warning('Recording was started without an active audio capture')
        elif notification['subject'] == 'recording.stopped':
            self.recording.clear()
            self.close_audio_recording()

    def close_audio_recording(self):
        self.menu[-2].read_only = False
        del self.menu[-1]
        self.menu.append(ui.Info_Text(NOT_REC_STR))

    def write_audio_packet(self, audio_frame):
        # Test if audio outstream has been initialized
        if self.audio_out_stream is None:
            try:
                self.audio_out_stream = self.audio_container.add_stream('aac')
            except ValueError as e:
                # packet.stream codec is not supported in target container.
                logger.error('Failed to create audio stream. Aborting recording.')
                logger.debug('Reason: {}'.format(e))
                self.close_audio_recording()

        self.timestamps.append(audio_frame.timestamp)
        packet = self.audio_out_stream.encode(audio_frame)
        if packet is not None:
            self.audio_container.mux(packet)

    def start_capture(self, audio_src):

        if self.thread and self.thread.is_alive():
            if self.audio_src == audio_src:
                return  # capture is already running for our selected source
            # else stop current capture gracefully
            self.running.clear()
            logger.debug('Closing capture for "{}"'.format(self.audio_src))
            self.thread.join(timeout=1)
            self.thread = None
        if audio_src not in self.audio_devices_dict:
            logger.warning('Selected audio source is not available anymore')
            return

        self.audio_src = audio_src
        if audio_src == 'No Audio':
            return

        self.running.set()
        self.thread = Thread(target=self.capture_thread,
                             args=(self.audio_devices_dict[audio_src], self.running, self.recording))
        self.thread.start()

    def capture_thread(self, audio_src, running, recording):
        try:
            if platform.system() == "Darwin":
                in_container = av.open('none:{}'.format(audio_src), format="avfoundation")
            elif platform.system() == "Linux":
                in_container = av.open('hw:{}'.format(audio_src), format="alsa")
            else:
                raise av.AVError('Platform does not support audio capture.')
        except av.AVError as err:
            running.clear()
            self.audio_src = 'No Audio'
            logger.warning('Error starting audio capture: {}'.format(err))
            return

        in_stream = None
        try:
            in_stream = in_container.streams.audio[0]
        except IndexError:
            logger.warning('No audio stream found for selected device.')
            running.clear()
            self.audio_src = 'No Audio'
            return

        out_container = None
        out_stream = None
        timestamps = None
        out_frame_num = 0
        in_frame_size = 0

        stream_epoch = in_stream.start_time * in_stream.time_base
        uvc_clock_dif = abs(stream_epoch - self.g_pool.get_now())
        pyt_clock_dif = abs(stream_epoch - time())
        max_clock_dif = 4.

        if uvc_clock_dif > max_clock_dif and pyt_clock_dif > max_clock_dif:
            logger.error('Could not identify audio stream clock.')
            running.clear()
            self.audio_src = 'No Audio'
            return
        elif uvc_clock_dif > pyt_clock_dif:
            logger.info('Audio stream uses time.time() as clock (Δ {}s)'.format(pyt_clock_dif))
            clock_differences = self.g_pool.get_now() - time()
        else:
            logger.info('Audio stream uses uvc.get_time_monotonic() as clock')
            clock_differences = 0

        def close_recording():
            # Bind nonlocal variables, https://www.python.org/dev/peps/pep-3104/
            nonlocal out_container, out_stream, in_stream, in_frame_size, timestamps, out_frame_num
            if out_container is not None:
                packet = out_stream.encode(audio_frame)
                while packet is not None:
                    out_frame_num += 1
                    out_container.mux(packet)
                    packet = out_stream.encode(audio_frame)
                out_container.close()

                in_frame_rate = in_stream.rate
                # in_stream.frame_size does not return the correct value.
                out_frame_size = out_stream.frame_size
                out_frame_rate = out_stream.rate

                old_ts_idx = np.arange(0, len(timestamps) * in_frame_size, in_frame_size) / in_frame_rate
                new_ts_idx = np.arange(0, out_frame_num * out_frame_size, out_frame_size) / out_frame_rate
                interpolate = interp1d(old_ts_idx, timestamps, bounds_error=False, fill_value='extrapolate')
                new_ts = interpolate(new_ts_idx)

                ts_loc = os.path.join(self.rec_dir, 'audio_timestamps.npy')
                np.save(ts_loc, new_ts)
            out_container = None
            out_stream = None
            timestamps = None

        for packet in in_container.demux(in_stream):
            # ffmpeg timestamps - in_stream.startime = packte pts relative to startime
            # multiply with stream_timebase to get seconds
            # add start time of this stream in pupil time unadjusted
            # finally add pupil timebase offset to adjust for settable timebase.
            for audio_frame in packet.decode():
                timestamp = audio_frame.pts * in_stream.time_base + clock_differences - self.g_pool.timebase.value
                if recording.is_set():
                    if out_container is None:
                        rec_file = os.path.join(self.rec_dir, 'audio.mp4')
                        out_container = av.open(rec_file, 'w')
                        out_stream = out_container.add_stream('aac')
                        out_frame_num = 0
                        in_frame_size = audio_frame.samples  # set here to make sure full packet size is used
                        timestamps = []

                    timestamps.append(timestamp)
                    packet = out_stream.encode(audio_frame)
                    if packet is not None:
                        out_frame_num += 1
                        out_container.mux(packet)
                elif out_container is not None:
                    # recording stopped
                    close_recording()
            if not running.is_set():
                close_recording()
                return

        close_recording()
        self.audio_src = 'No Audio'
        running.clear()  # in_stream stopped yielding packets
Exemplo n.º 7
0
class Recorder(Plugin):
    """Capture Recorder"""
    def __init__(self,g_pool,session_name = get_auto_name(),rec_dir=None, user_info={},info_menu_conf={},show_info_menu=False, record_eye = True, audio_src = 'No Audio',raw_jpeg=True):
        super(Recorder, self).__init__(g_pool)
        #update name if it was autogenerated.
        if session_name.startswith('20') and len(session_name)==10:
            session_name = get_auto_name()

        base_dir = self.g_pool.user_dir.rsplit(os.path.sep,1)[0]
        default_rec_dir = os.path.join(base_dir,'recordings')

        if rec_dir and rec_dir != default_rec_dir and self.verify_path(rec_dir):
            self.rec_dir = rec_dir
        else:
            try:
                os.makedirs(default_rec_dir)
            except OSError as e:
                if e.errno != errno.EEXIST:
                    logger.error("Could not create Rec dir")
                    raise e
            else:
                logger.info('Created standard Rec dir at "%s"'%default_rec_dir)
            self.rec_dir = default_rec_dir

        self.raw_jpeg = raw_jpeg
        self.order = .9
        self.record_eye = record_eye
        self.session_name = session_name
        self.audio_devices_dict = Audio_Input_Dict()
        if audio_src in self.audio_devices_dict.keys():
            self.audio_src = audio_src
        else:
            self.audio_src = 'No Audio'
        self.running = False
        self.menu = None
        self.button = None

        self.user_info = user_info
        self.show_info_menu = show_info_menu
        self.info_menu = None
        self.info_menu_conf = info_menu_conf

        self.calibration_start_at = None
        self.calibration_end_at = None

    def get_init_dict(self):
        d = {}
        d['record_eye'] = self.record_eye
        d['audio_src'] = self.audio_src
        d['session_name'] = self.session_name
        d['user_info'] = self.user_info
        d['info_menu_conf'] = self.info_menu_conf
        d['show_info_menu'] = self.show_info_menu
        d['rec_dir'] = self.rec_dir
        d['raw_jpeg'] = self.raw_jpeg
        return d


    def init_gui(self):
        self.menu = ui.Growing_Menu('Recorder')
        self.g_pool.sidebar.insert(3,self.menu)
        self.menu.append(ui.Info_Text('Pupil recordings are saved like this: "path_to_recordings/recording_session_name/nnn" where "nnn" is an increasing number to avoid overwrites. You can use "/" in your session name to create subdirectories.'))
        self.menu.append(ui.Info_Text('Recordings are saved to "~/pupil_recordings". You can change the path here but note that invalid input will be ignored.'))
        self.menu.append(ui.Text_Input('rec_dir',self,setter=self.set_rec_dir,label='Path to recordings'))
        self.menu.append(ui.Text_Input('session_name',self,setter=self.set_session_name,label='Recording session name'))
        self.menu.append(ui.Switch('show_info_menu',self,on_val=True,off_val=False,label='Request additional user info'))
        self.menu.append(ui.Selector('raw_jpeg',self,selection = [True,False], labels=["bigger file, less CPU", "smaller file, more CPU"],label='Compression'))
        self.menu.append(ui.Info_Text('Recording the raw eye video is optional. We use it for debugging.'))
        self.menu.append(ui.Switch('record_eye',self,on_val=True,off_val=False,label='Record eye'))
        self.menu.append(ui.Selector('audio_src',self, selection=self.audio_devices_dict.keys(),label='Audio Source'))

        # record on enter click from the remote shutter
        self.button = ui.Thumb('running',self,setter=self.toggle,label='Record',hotkey=GLFW_KEY_ENTER)

        self.button.on_color[:] = (1,.0,.0,.8)
        self.g_pool.quickbar.insert(1,self.button)


    def deinit_gui(self):
        if self.menu:
            self.g_pool.sidebar.remove(self.menu)
            self.menu = None
        if self.button:
            self.g_pool.quickbar.remove(self.button)
            self.button = None



    def toggle(self, _=None):
        if self.running:
            if self.calibration_start_at and not self.calibration_end_at: # Mark the end of claibration
                self.calibration_end_at = self.timestamps[-1]
            else:
                self.notify_all( {'subject':'should_stop_recording','network_propagate':True} )
        else:
            self.notify_all( {'subject':'should_start_recording','session_name':self.session_name,'network_propagate':True} )


    def on_notify(self,notification):

        # notification wants to be recorded
        if notification.get('record',False) and self.running:
            self.data['notifications'].append(notification)


        # Notificatio to start recording
        elif notification['subject'] == 'should_start_recording':
            if self.running:
                logger.info('Recording already running!')
            else:
                if notification.get("session_name",""):
                    self.set_session_name(notification["session_name"])
                self.start()
        # Remote has stopped recording, we should stop as well.
        elif notification['subject'] == 'should_stop_recording':
            if self.running:
                self.stop(shutdown_os=True)
            else:
                logger.info('Recording already stopped!')


    def get_rec_time_str(self):
        rec_time = gmtime(time()-self.start_time)
        return strftime("%H:%M:%S", rec_time)

    def start(self):
        self.timestamps = []
        self.data = {'pupil_positions':[],'gaze_positions':[],'notifications':[]}
        self.frame_count = 0
        self.running = True
        self.menu.read_only = True
        self.start_time = time()

        session = os.path.join(self.rec_dir, self.session_name)
        try:
            os.makedirs(session)
            logger.debug("Created new recordings session dir %s"%session)

        except:
            logger.debug("Recordings session dir %s already exists, using it." %session)

        # set up self incrementing folder within session folder
        counter = 0
        while True:
            self.rec_path = os.path.join(session, "%03d/" % counter)
            try:
                os.mkdir(self.rec_path)
                logger.debug("Created new recording dir %s"%self.rec_path)
                break
            except:
                logger.debug("We dont want to overwrite data, incrementing counter & trying to make new data folder")
                counter += 1

        self.meta_info_path = os.path.join(self.rec_path, "info.csv")

        with open(self.meta_info_path, 'w') as f:
            f.write("Recording Name\t"+self.session_name+ "\n")
            f.write("Start Date\t"+ strftime("%d.%m.%Y", localtime(self.start_time))+ "\n")
            f.write("Start Time\t"+ strftime("%H:%M:%S", localtime(self.start_time))+ "\n")


        if self.audio_src != 'No Audio':
            audio_path = os.path.join(self.rec_path, "world.wav")
            self.audio_writer = Audio_Capture(audio_path,self.audio_devices_dict[self.audio_src])
        else:
            self.audio_writer = None

        if self.raw_jpeg and self.g_pool.capture.jpeg_support:
            self.video_path = os.path.join(self.rec_path, "world.mp4")
            self.writer = JPEG_Writer(self.video_path,self.g_pool.capture.frame_rate)
        else:
            self.video_path = os.path.join(self.rec_path, "world.mp4")
            self.writer = AV_Writer(self.video_path,fps=self.g_pool.capture.frame_rate)

        # positions path to eye process
        if self.record_eye:
            for alive, pipe in zip(self.g_pool.eyes_are_alive,self.g_pool.eye_pipes):
                if alive.value:
                    pipe.send( ('Rec_Start',(self.rec_path,self.raw_jpeg) ) )

        if self.show_info_menu:
            self.open_info_menu()
        logger.info("Started Recording.")
        self.notify_all( {'subject':'rec_started','rec_path':self.rec_path,'session_name':self.session_name,'network_propagate':True} )

    def open_info_menu(self):
        self.info_menu = ui.Growing_Menu('additional Recording Info',size=(300,300),pos=(300,300))
        self.info_menu.configuration = self.info_menu_conf

        def populate_info_menu():
            self.info_menu.elements[:-2] = []
            for name in self.user_info.iterkeys():
                self.info_menu.insert(0,ui.Text_Input(name,self.user_info))

        def set_user_info(new_string):
            self.user_info = new_string
            populate_info_menu()

        populate_info_menu()
        self.info_menu.append(ui.Info_Text('Use the *user info* field to add/remove additional fields and their values. The format must be a valid Python dictionary. For example -- {"key":"value"}. You can add as many fields as you require. Your custom fields will be saved for your next session.'))
        self.info_menu.append(ui.Text_Input('user_info',self,setter=set_user_info,label="User info"))
        self.g_pool.gui.append(self.info_menu)

    def close_info_menu(self):
        if self.info_menu:
            self.info_menu_conf = self.info_menu.configuration
            self.g_pool.gui.remove(self.info_menu)
            self.info_menu = None

    def update(self,frame,events):
        ''' listen to commands from eye window '''
        if self.g_pool.eye_pipes[0].poll():
            cmd = self.g_pool.eye_pipes[0].recv()
            # toggle recording if enter key clicked
            if cmd == GLFW_KEY_ENTER:
                self.toggle()
        if self.running:
            # for key,data in events.iteritems():
            #     if key not in ('dt'):
            #         try:
            #             self.data[key] += data
            #         except KeyError:
            #             self.data[key] = []
            #             self.data[key] += data

            ''' Record when it first started as this will be the start of calibration. When user click Enter again this
             should end calibration. Click once more to end recording'''
            if not self.calibration_start_at:
                self.calibration_start_at = frame.timestamp

            self.timestamps.append(frame.timestamp)
            self.writer.write_video_frame(frame)
            self.frame_count += 1

            # # cv2.putText(frame.img, "Frame %s"%self.frame_count,(200,200), cv2.FONT_HERSHEY_SIMPLEX,1,(255,100,100))

            self.button.status_text = self.get_rec_time_str()

    def stop(self, shutdown_os=False):
        #explicit release of VideoWriter
        self.writer.release()
        self.writer = None

        if self.record_eye:
            for alive, pipe in zip(self.g_pool.eyes_are_alive,self.g_pool.eye_pipes):
                if alive.value:
                    pipe.send(('Rec_Stop',None))

        # Mohammad: This will now save an empty dicts list
        save_object(self.data,os.path.join(self.rec_path, "pupil_data"))

        timestamps_path = os.path.join(self.rec_path, "world_timestamps.npy")
        # ts = sanitize_timestamps(np.array(self.timestamps))
        ts = np.array(self.timestamps)
        np.save(timestamps_path,ts)

        try:
            copy2(os.path.join(self.g_pool.user_dir,"surface_definitions"),os.path.join(self.rec_path,"surface_definitions"))
        except:
            logger.info("No surface_definitions data found. You may want this if you do marker tracking.")
        try:
            copy2(os.path.join(self.g_pool.user_dir,"user_calibration_data"),os.path.join(self.rec_path,"user_calibration_data"))
        except:
            logger.warning("No user calibration data found. Please calibrate first.")

        # camera_calibration = load_camera_calibration(self.g_pool)
        # if camera_calibration is not None:
        #     save_object(camera_calibration,os.path.join(self.rec_path, "camera_calibration"))
        # else:
        #     logger.info("No camera calibration found.")

        try:
            with open(self.meta_info_path, 'a') as f:
                f.write("Duration Time\t"+ self.get_rec_time_str()+ "\n")
                f.write("World Camera Frames\t"+ str(self.frame_count)+ "\n")
                f.write("World Camera Resolution\t"+ str(self.g_pool.capture.frame_size[0])+"x"+str(self.g_pool.capture.frame_size[1])+"\n")
                f.write("Capture Software Version\t%s\n"%self.g_pool.version)
                f.write("System Info\t%s"%get_system_info())
        except Exception:
            logger.exception("Could not save metadata. Please report this bug!")

        try:
            with open(os.path.join(self.rec_path, "user_info.csv"), 'w') as f:
                self.user_info.update({'cal_start':self.calibration_start_at, 'cal_end':self.calibration_end_at})
                for name,val in self.user_info.iteritems():
                    f.write("%s\t%s\n"%(name,val))
        except Exception:
            logger.exception("Could not save userdata. Please report this bug!")

        self.calibration_start_at = None
        self.calibration_end_at = None


        self.close_info_menu()

        if self.audio_writer:
            self.audio_writer = None

        self.running = False
        self.menu.read_only = False
        self.button.status_text = ''

        self.timestamps = []
        self.data = {'pupil_positions':[],'gaze_positions':[]}
        self.pupil_pos_list = []
        self.gaze_pos_list = []

        logger.info("Saved Recording.")
        self.notify_all( {'subject':'rec_stopped','rec_path':self.rec_path,'network_propagate':True} )
        #     Mohammad - shutdown OS when stop recording
        if shutdown_os:
            os.system('shutdown now')

    def cleanup(self):
        """gets called when the plugin get terminated.
           either volunatily or forced.
        """
        if self.running:
            self.stop()
        self.deinit_gui()

    def verify_path(self,val):
        try:
            n_path = os.path.expanduser(val)
            logger.debug("Expanded user path.")
        except:
            n_path = val
        if not n_path:
            logger.warning("Please specify a path.")
            return False
        elif not os.path.isdir(n_path):
            logger.warning("This is not a valid path.")
            return False
        # elif not os.access(n_path, os.W_OK):
        elif not writable_dir(n_path):
            logger.warning("Do not have write access to '%s'."%n_path)
            return False
        else:
            return n_path

    def set_rec_dir(self,val):
        n_path = self.verify_path(val)
        if n_path:
            self.rec_dir = n_path

    def set_session_name(self, val):
        if not val:
            self.session_name = get_auto_name()
        else:
            if '/' in val:
                logger.warning('You session name will create one or more subdirectories')
            self.session_name = val
Exemplo n.º 8
0
class Recorder(Plugin):
    """Capture Recorder"""

    def __init__(
        self,
        g_pool,
        session_name=get_auto_name(),
        rec_dir=None,
        user_info={"name": "", "additional_field": "change_me"},
        info_menu_conf={},
        show_info_menu=False,
        record_eye=False,
        audio_src="No Audio",
        raw_jpeg=False,
    ):
        super(Recorder, self).__init__(g_pool)
        # update name if it was autogenerated.
        if session_name.startswith("20") and len(session_name) == 10:
            session_name = get_auto_name()

        if rec_dir:
            self.set_rec_dir(rec_dir)
        else:
            # lets make a rec dir next to the user dir
            base_dir = self.g_pool.user_dir.rsplit(os.path.sep, 1)[0]
            self.rec_dir = os.path.join(base_dir, "recordings")
            if not os.path.isdir(self.rec_dir):
                os.mkdir(self.rec_dir)

        self.raw_jpeg = raw_jpeg
        self.order = 0.9
        self.record_eye = record_eye
        self.session_name = session_name
        self.audio_devices_dict = Audio_Input_Dict()
        if audio_src in self.audio_devices_dict.keys():
            self.audio_src = audio_src
        else:
            self.audio_src = "No Audio"
        self.running = False
        self.menu = None
        self.button = None

        self.user_info = user_info
        self.show_info_menu = show_info_menu
        self.info_menu = None
        self.info_menu_conf = info_menu_conf
        self.height, self.width = self.g_pool.capture.frame_size

    def get_init_dict(self):
        d = {}
        d["record_eye"] = self.record_eye
        d["audio_src"] = self.audio_src
        d["session_name"] = self.session_name
        d["user_info"] = self.user_info
        d["info_menu_conf"] = self.info_menu_conf
        d["show_info_menu"] = self.show_info_menu
        d["rec_dir"] = self.rec_dir
        d["raw_jpeg"] = self.raw_jpeg
        return d

    def init_gui(self):
        self.menu = ui.Growing_Menu("Recorder")
        self.g_pool.sidebar.insert(3, self.menu)
        self.menu.append(
            ui.Info_Text(
                'Pupil recordings are saved like this: "path_to_recordings/recording_session_name/nnn" where "nnn" is an increasing number to avoid overwrites. You can use "/" in your session name to create subdirectories.'
            )
        )
        self.menu.append(
            ui.Info_Text(
                'Recordings are saved to "~/pupil_recordings". You can change the path here but note that invalid input will be ignored.'
            )
        )
        self.menu.append(ui.Text_Input("rec_dir", self, setter=self.set_rec_dir, label="Path to recordings"))
        self.menu.append(
            ui.Text_Input("session_name", self, setter=self.set_session_name, label="Recording session name")
        )
        self.menu.append(
            ui.Switch("show_info_menu", self, on_val=True, off_val=False, label="Request additional user info")
        )
        self.menu.append(
            ui.Selector(
                "raw_jpeg",
                self,
                selection=[True, False],
                labels=["bigger file, less CPU", "smaller file, more CPU"],
                label="compression",
            )
        )
        self.menu.append(ui.Info_Text("Recording the raw eye video is optional. We use it for debugging."))
        self.menu.append(ui.Switch("record_eye", self, on_val=True, off_val=False, label="Record eye"))
        self.menu.append(ui.Selector("audio_src", self, selection=self.audio_devices_dict.keys()))

        self.button = ui.Thumb("running", self, setter=self.toggle, label="Record", hotkey="r")
        self.button.on_color[:] = (1, 0.0, 0.0, 0.8)
        self.g_pool.quickbar.insert(1, self.button)

    def deinit_gui(self):
        if self.menu:
            self.g_pool.sidebar.remove(self.menu)
            self.menu = None
        if self.button:
            self.g_pool.quickbar.remove(self.button)
            self.button = None

    def toggle(self, _=None):
        if self.running:
            self.stop()
        else:
            self.start()

    def get_rec_time_str(self):
        rec_time = gmtime(time() - self.start_time)
        return strftime("%H:%M:%S", rec_time)

    def start(self):
        self.timestamps = []
        self.data = {"pupil_positions": [], "gaze_positions": []}
        self.pupil_pos_list = []
        self.gaze_pos_list = []

        self.frame_count = 0
        self.running = True
        self.menu.read_only = True
        self.start_time = time()

        session = os.path.join(self.rec_dir, self.session_name)
        try:
            os.makedirs(session)
            logger.debug("Created new recordings session dir %s" % session)

        except:
            logger.debug("Recordings session dir %s already exists, using it." % session)

        # set up self incrementing folder within session folder
        counter = 0
        while True:
            self.rec_path = os.path.join(session, "%03d/" % counter)
            try:
                os.mkdir(self.rec_path)
                logger.debug("Created new recording dir %s" % self.rec_path)
                break
            except:
                logger.debug("We dont want to overwrite data, incrementing counter & trying to make new data folder")
                counter += 1

        self.meta_info_path = os.path.join(self.rec_path, "info.csv")

        with open(self.meta_info_path, "w") as f:
            f.write("Recording Name\t" + self.session_name + "\n")
            f.write("Start Date\t" + strftime("%d.%m.%Y", localtime(self.start_time)) + "\n")
            f.write("Start Time\t" + strftime("%H:%M:%S", localtime(self.start_time)) + "\n")

        if self.audio_src != "No Audio":
            audio_path = os.path.join(self.rec_path, "world.wav")
            self.audio_writer = Audio_Capture(self.audio_devices_dict[self.audio_src], audio_path)
        else:
            self.audio_writer = None

        if self.raw_jpeg and "uvc_capture" in str(self.g_pool.capture.__class__):
            self.video_path = os.path.join(self.rec_path, "world.mp4")
            self.writer = JPEG_Writer(self.video_path, int(self.g_pool.capture.frame_rate))
        # elif 1:
        #     self.writer = av_writer.AV_Writer(self.video_path)
        else:
            self.video_path = os.path.join(self.rec_path, "world.mkv")
            self.writer = CV_Writer(
                self.video_path, float(self.g_pool.capture.frame_rate), self.g_pool.capture.frame_size
            )
        # positions path to eye process
        if self.record_eye:
            for tx in self.g_pool.eye_tx:
                tx.send((self.rec_path, self.raw_jpeg))

        if self.show_info_menu:
            self.open_info_menu()

    def open_info_menu(self):
        self.info_menu = ui.Growing_Menu("additional Recording Info", size=(300, 300), pos=(300, 300))
        self.info_menu.configuration = self.info_menu_conf

        def populate_info_menu():
            self.info_menu.elements[:-2] = []
            for name in self.user_info.iterkeys():
                self.info_menu.insert(0, ui.Text_Input(name, self.user_info))

        def set_user_info(new_string):
            self.user_info = new_string
            populate_info_menu()

        populate_info_menu()
        self.info_menu.append(
            ui.Info_Text(
                'Use the *user info* field to add/remove additional fields and their values. The format must be a valid Python dictionary. For example -- {"key":"value"}. You can add as many fields as you require. Your custom fields will be saved for your next session.'
            )
        )
        self.info_menu.append(ui.Text_Input("user_info", self, setter=set_user_info, label="User info"))
        self.g_pool.gui.append(self.info_menu)

    def close_info_menu(self):
        if self.info_menu:
            self.info_menu_conf = self.info_menu.configuration
            self.g_pool.gui.remove(self.info_menu)
            self.info_menu = None

    def update(self, frame, events):
        if self.running:
            self.data["pupil_positions"] += events["pupil_positions"]
            self.data["gaze_positions"] += events["gaze_positions"]
            self.timestamps.append(frame.timestamp)
            self.writer.write_video_frame(frame)
            # self.writer.write_video_frame_yuv422(frame)
            self.frame_count += 1

            # cv2.putText(frame.img, "Frame %s"%self.frame_count,(200,200), cv2.FONT_HERSHEY_SIMPLEX,1,(255,100,100))
            for p in events["pupil_positions"]:
                pupil_pos = p["timestamp"], p["confidence"], p["id"], p["norm_pos"][0], p["norm_pos"][1], p["diameter"]
                self.pupil_pos_list.append(pupil_pos)

            for g in events.get("gaze_positions", []):
                gaze_pos = g["timestamp"], g["confidence"], g["norm_pos"][0], g["norm_pos"][1]
                self.gaze_pos_list.append(gaze_pos)

            self.button.status_text = self.get_rec_time_str()

    def stop(self):
        # explicit release of VideoWriter
        self.writer.release()
        self.writer = None

        if self.record_eye:
            for tx in self.g_pool.eye_tx:
                try:
                    tx.send((None, None))
                except:
                    logger.warning("Could not stop eye-recording. Please report this bug!")

        save_object(self.data, os.path.join(self.rec_path, "pupil_data"))

        gaze_list_path = os.path.join(self.rec_path, "gaze_positions.npy")
        np.save(gaze_list_path, np.asarray(self.gaze_pos_list))

        pupil_list_path = os.path.join(self.rec_path, "pupil_positions.npy")
        np.save(pupil_list_path, np.asarray(self.pupil_pos_list))

        timestamps_path = os.path.join(self.rec_path, "world_timestamps.npy")
        ts = sanitize_timestamps(np.array(self.timestamps))
        np.save(timestamps_path, ts)

        try:
            copy2(
                os.path.join(self.g_pool.user_dir, "surface_definitions"),
                os.path.join(self.rec_path, "surface_definitions"),
            )
        except:
            logger.info("No surface_definitions data found. You may want this if you do marker tracking.")

        try:
            copy2(
                os.path.join(self.g_pool.user_dir, "cal_pt_cloud.npy"), os.path.join(self.rec_path, "cal_pt_cloud.npy")
            )
        except:
            logger.warning("No calibration data found. Please calibrate first.")

        try:
            copy2(
                os.path.join(self.g_pool.user_dir, "camera_matrix.npy"),
                os.path.join(self.rec_path, "camera_matrix.npy"),
            )
            copy2(os.path.join(self.g_pool.user_dir, "dist_coefs.npy"), os.path.join(self.rec_path, "dist_coefs.npy"))
        except:
            logger.info("No camera intrinsics found.")

        try:
            with open(self.meta_info_path, "a") as f:
                f.write("Duration Time\t" + self.get_rec_time_str() + "\n")
                if self.g_pool.binocular:
                    f.write("Eye Mode\tbinocular\n")
                else:
                    f.write("Eye Mode\tmonocular\n")
                f.write("Duration Time\t" + self.get_rec_time_str() + "\n")
                f.write("World Camera Frames\t" + str(self.frame_count) + "\n")
                f.write("World Camera Resolution\t" + str(self.width) + "x" + str(self.height) + "\n")
                f.write("Capture Software Version\t%s\n" % self.g_pool.version)
                if platform.system() == "Windows":
                    username = os.environ["USERNAME"]
                    sysname, nodename, release, version, machine, _ = platform.uname()
                else:
                    username = os.getlogin()
                    try:
                        sysname, nodename, release, version, machine = os.uname()
                    except:
                        sysname, nodename, release, version, machine = sys.platform, None, None, None, None
                f.write("User\t" + username + "\n")
                f.write("Platform\t" + sysname + "\n")
                f.write("Machine\t" + nodename + "\n")
                f.write("Release\t" + release + "\n")
                f.write("Version\t" + version + "\n")
        except Exception:
            logger.exception("Could not save metadata. Please report this bug!")

        try:
            with open(os.path.join(self.rec_path, "user_info.csv"), "w") as f:
                for name, val in self.user_info.iteritems():
                    f.write("%s\t%s\n" % (name, val))
        except Exception:
            logger.exception("Could not save userdata. Please report this bug!")

        self.close_info_menu()

        if self.audio_writer:
            self.audio_writer = None

        self.running = False
        self.menu.read_only = False
        self.button.status_text = ""

    def cleanup(self):
        """gets called when the plugin get terminated.
           either volunatily or forced.
        """
        if self.running:
            self.stop()
        self.deinit_gui()

    def set_rec_dir(self, val):
        try:
            n_path = os.path.expanduser(val)
            logger.debug("Expanded user path.")
        except:
            n_path = val
        if not n_path:
            logger.warning("Please specify a path.")
        elif not os.path.isdir(n_path):
            logger.warning("This is not a valid path.")
        # elif not os.access(n_path, os.W_OK):
        elif not writable_dir(n_path):
            logger.warning("Do not have write access to '%s'." % n_path)
        else:
            self.rec_dir = n_path

    def set_session_name(self, val):
        if not val:
            self.session_name = get_auto_name()
        else:
            if "/" in val:
                logger.warning("You session name with create one or more subdirectories")
            self.session_name = val
Exemplo n.º 9
0
class Audio_Capture(Plugin):
    """docstring for Audio_Capture"""
    icon_chr = chr(0xe029)
    icon_font = 'pupil_icons'

    def __init__(self, g_pool, audio_src='No Audio'):
        super().__init__(g_pool)
        self.audio_devices_dict = Audio_Input_Dict()
        if audio_src in list(self.audio_devices_dict.keys()):
            self.audio_src = audio_src
        else:
            self.audio_src = 'No Audio'

        self.thread = None
        self.running = Event()
        self.recording = Event()
        self.recording.clear()
        self.audio_container = None
        self.audio_out_stream = None
        self.queue = queue.Queue()
        self.start_capture(self.audio_src)

    def init_ui(self):
        self.add_menu()
        self.menu.label = 'Audio Capture'

        help_str = 'Creates events for audio input.'
        self.menu.append(ui.Info_Text(help_str))

        def audio_dev_getter():
            # fetch list of currently available
            self.audio_devices_dict = Audio_Input_Dict()
            devices = list(self.audio_devices_dict.keys())
            return devices, devices

        self.menu.append(ui.Selector('audio_src', self,
                                     selection_getter=audio_dev_getter,
                                     label='Audio Source',
                                     setter=self.start_capture))

        self.menu.append(ui.Info_Text(NOT_REC_STR))

    def deinit_ui(self):
        self.remove_menu()

    def get_init_dict(self):
        return {'audio_src': self.audio_src}

    def cleanup(self):
        if self.audio_container is not None:
            self.close_audio_recording()
        self.running.clear()
        if self.thread and self.thread.is_alive():
            self.thread.join(timeout=1)

    def on_notify(self, notification):
        if notification['subject'] == 'recording.started':
            self.rec_dir = notification['rec_path']
            self.recording.set()
            if self.running.is_set():  # and self.audio_container is None:
                self.menu[-2].read_only = True
                del self.menu[-1]
                self.menu.append(ui.Info_Text(REC_STR))
            elif not self.running.is_set():
                logger.warning('Recording was started without an active audio capture')
        elif notification['subject'] == 'recording.stopped':
            self.recording.clear()
            self.close_audio_recording()

    def close_audio_recording(self):
        self.menu[-2].read_only = False
        del self.menu[-1]
        self.menu.append(ui.Info_Text(NOT_REC_STR))

    def write_audio_packet(self, audio_frame):
        # Test if audio outstream has been initialized
        if self.audio_out_stream is None:
            try:
                self.audio_out_stream = self.audio_container.add_stream('aac')
            except ValueError as e:
                # packet.stream codec is not supported in target container.
                logger.error('Failed to create audio stream. Aborting recording.')
                logger.debug('Reason: {}'.format(e))
                self.close_audio_recording()

        self.timestamps.append(audio_frame.timestamp)
        packet = self.audio_out_stream.encode(audio_frame)
        if packet is not None:
            self.audio_container.mux(packet)

    def start_capture(self, audio_src):

        if self.thread and self.thread.is_alive():
            if self.audio_src == audio_src:
                return  # capture is already running for our selected source
            # else stop current capture gracefully
            self.running.clear()
            logger.debug('Closing capture for "{}"'.format(self.audio_src))
            self.thread.join(timeout=1)
            self.thread = None
        if audio_src not in self.audio_devices_dict:
            logger.warning('Selected audio source is not available anymore')
            return

        self.audio_src = audio_src
        if audio_src == 'No Audio':
            return

        self.running.set()
        self.thread = Thread(target=self.capture_thread,
                             args=(self.audio_devices_dict[audio_src], self.running, self.recording))
        self.thread.start()

    def capture_thread(self, audio_src, running, recording):
        try:
            if platform.system() == "Darwin":
                in_container = av.open('none:{}'.format(audio_src), format="avfoundation")
            elif platform.system() == "Linux":
                in_container = av.open('hw:{}'.format(audio_src), format="alsa")
            else:
                raise av.AVError('Platform does not support audio capture.')
        except av.AVError as err:
            running.clear()
            self.audio_src = 'No Audio'
            logger.warning('Error starting audio capture: {}'.format(err))
            return

        in_stream = None
        try:
            in_stream = in_container.streams.audio[0]
        except IndexError:
            logger.warning('No audio stream found for selected device.')
            running.clear()
            self.audio_src = 'No Audio'
            return

        out_container = None
        out_stream = None
        timestamps = None
        out_frame_num = 0
        in_frame_size = 0

        stream_epoch = in_stream.start_time * in_stream.time_base
        uvc_clock_dif = abs(stream_epoch - self.g_pool.get_now())
        pyt_clock_dif = abs(stream_epoch - time())
        max_clock_dif = 4.

        if uvc_clock_dif > max_clock_dif and pyt_clock_dif > max_clock_dif:
            logger.error('Could not identify audio stream clock.')
            running.clear()
            self.audio_src = 'No Audio'
            return
        elif uvc_clock_dif > pyt_clock_dif:
            logger.info('Audio stream uses time.time() as clock (Δ {}s)'.format(pyt_clock_dif))
            clock_differences = self.g_pool.get_now() - time()
        else:
            logger.info('Audio stream uses uvc.get_time_monotonic() as clock')
            clock_differences = 0

        def close_recording():
            # Bind nonlocal variables, https://www.python.org/dev/peps/pep-3104/
            nonlocal out_container, out_stream, in_stream, in_frame_size, timestamps, out_frame_num
            if out_container is not None:
                packet = out_stream.encode(audio_frame)
                while packet is not None:
                    out_frame_num += 1
                    out_container.mux(packet)
                    packet = out_stream.encode(audio_frame)
                out_container.close()

                in_frame_rate = in_stream.rate
                # in_stream.frame_size does not return the correct value.
                out_frame_size = out_stream.frame_size
                out_frame_rate = out_stream.rate

                old_ts_idx = np.arange(0, len(timestamps) * in_frame_size, in_frame_size) / in_frame_rate
                new_ts_idx = np.arange(0, out_frame_num * out_frame_size, out_frame_size) / out_frame_rate
                interpolate = interp1d(old_ts_idx, timestamps, bounds_error=False, fill_value='extrapolate')
                new_ts = interpolate(new_ts_idx)

                ts_loc = os.path.join(self.rec_dir, 'audio_timestamps.npy')
                np.save(ts_loc, new_ts)
            out_container = None
            out_stream = None
            timestamps = None

        for packet in in_container.demux(in_stream):
            # ffmpeg timestamps - in_stream.startime = packte pts relative to startime
            # multiply with stream_timebase to get seconds
            # add start time of this stream in pupil time unadjusted
            # finally add pupil timebase offset to adjust for settable timebase.
            for audio_frame in packet.decode():
                timestamp = audio_frame.pts * in_stream.time_base + clock_differences - self.g_pool.timebase.value
                if recording.is_set():
                    if out_container is None:
                        rec_file = os.path.join(self.rec_dir, 'audio.mp4')
                        out_container = av.open(rec_file, 'w')
                        out_stream = out_container.add_stream('aac')
                        out_frame_num = 0
                        in_frame_size = audio_frame.samples  # set here to make sure full packet size is used
                        timestamps = []

                    timestamps.append(timestamp)
                    packet = out_stream.encode(audio_frame)
                    if packet is not None:
                        out_frame_num += 1
                        out_container.mux(packet)
                elif out_container is not None:
                    # recording stopped
                    close_recording()
            if not running.is_set():
                close_recording()
                return

        close_recording()
        self.audio_src = 'No Audio'
        running.clear()  # in_stream stopped yielding packets
Exemplo n.º 10
0
class Recorder(Plugin):
    """Capture Recorder"""
    def __init__(self,g_pool,session_name = get_auto_name(),rec_dir=None, user_info={'name':'','additional_field':'change_me'},info_menu_conf={},show_info_menu=False, record_eye = True, audio_src = 'No Audio',raw_jpeg=True):
        super(Recorder, self).__init__(g_pool)
        #update name if it was autogenerated.
        if session_name.startswith('20') and len(session_name)==10:
            session_name = get_auto_name()

        base_dir = self.g_pool.user_dir.rsplit(os.path.sep,1)[0]
        default_rec_dir = os.path.join(base_dir,'recordings')

        if rec_dir and rec_dir != default_rec_dir and self.verify_path(rec_dir):
            self.rec_dir = rec_dir
        else:
            try:
                os.makedirs(default_rec_dir)
            except OSError as e:
                if e.errno != errno.EEXIST:
                    logger.error("Could not create Rec dir")
                    raise e
            else:
                logger.info('Created standard Rec dir at "%s"'%default_rec_dir)
            self.rec_dir = default_rec_dir

        self.raw_jpeg = raw_jpeg
        self.order = .9
        self.record_eye = record_eye
        self.session_name = session_name
        self.audio_devices_dict = Audio_Input_Dict()
        if audio_src in self.audio_devices_dict.keys():
            self.audio_src = audio_src
        else:
            self.audio_src = 'No Audio'
        self.running = False
        self.menu = None
        self.button = None

        self.user_info = user_info
        self.show_info_menu = show_info_menu
        self.info_menu = None
        self.info_menu_conf = info_menu_conf


    def get_init_dict(self):
        d = {}
        d['record_eye'] = self.record_eye
        d['audio_src'] = self.audio_src
        d['session_name'] = self.session_name
        d['user_info'] = self.user_info
        d['info_menu_conf'] = self.info_menu_conf
        d['show_info_menu'] = self.show_info_menu
        d['rec_dir'] = self.rec_dir
        d['raw_jpeg'] = self.raw_jpeg
        return d


    def init_gui(self):
        self.menu = ui.Growing_Menu('Recorder')
        self.g_pool.sidebar.insert(3,self.menu)
        self.menu.append(ui.Info_Text('Pupil recordings are saved like this: "path_to_recordings/recording_session_name/nnn" where "nnn" is an increasing number to avoid overwrites. You can use "/" in your session name to create subdirectories.'))
        self.menu.append(ui.Info_Text('Recordings are saved to "~/pupil_recordings". You can change the path here but note that invalid input will be ignored.'))
        self.menu.append(ui.Text_Input('rec_dir',self,setter=self.set_rec_dir,label='Path to recordings'))
        self.menu.append(ui.Text_Input('session_name',self,setter=self.set_session_name,label='Recording session name'))
        self.menu.append(ui.Switch('show_info_menu',self,on_val=True,off_val=False,label='Request additional user info'))
        self.menu.append(ui.Selector('raw_jpeg',self,selection = [True,False], labels=["bigger file, less CPU", "smaller file, more CPU"],label='Compression'))
        self.menu.append(ui.Info_Text('Recording the raw eye video is optional. We use it for debugging.'))
        self.menu.append(ui.Switch('record_eye',self,on_val=True,off_val=False,label='Record eye'))
        self.menu.append(ui.Selector('audio_src',self, selection=self.audio_devices_dict.keys(),label='Audio Source'))

        self.button = ui.Thumb('running',self,setter=self.toggle,label='Record',hotkey='r')
        self.button.on_color[:] = (1,.0,.0,.8)
        self.g_pool.quickbar.insert(1,self.button)


    def deinit_gui(self):
        if self.menu:
            self.g_pool.sidebar.remove(self.menu)
            self.menu = None
        if self.button:
            self.g_pool.quickbar.remove(self.button)
            self.button = None



    def toggle(self, _=None):
        if self.running:
            self.notify_all( {'subject':'recording.should_stop'} )
            self.notify_all( {'subject':'recording.should_stop', 'remote_notify':'all'} )
        else:
            self.notify_all( {'subject':'recording.should_start','session_name':self.session_name} )
            self.notify_all( {'subject':'recording.should_start','session_name':self.session_name,'remote_notify':'all'} )


    def on_notify(self,notification):
        """Handles recorder notifications

        Reacts to notifications:
            ``recording.should_start``: Starts a new recording session
            ``recording.should_stop``: Stops current recording session

        Emits notifications:
            ``recording.started``: New recording session started
            ``recording.stopped``: Current recording session stopped

        Args:
            notification (dictionary): Notification dictionary
        """
        # notification wants to be recorded
        if notification.get('record',False) and self.running:
            self.data['notifications'].append(notification)


        elif notification['subject'] == 'recording.should_start':
            if self.running:
                logger.info('Recording already running!')
            else:
                if notification.get("session_name",""):
                    self.set_session_name(notification["session_name"])
                self.start()

        elif notification['subject'] == 'recording.should_stop':
            if self.running:
                self.stop()
            else:
                logger.info('Recording already stopped!')


    def get_rec_time_str(self):
        rec_time = gmtime(time()-self.start_time)
        return strftime("%H:%M:%S", rec_time)

    def start(self):
        self.timestamps = []
        self.timestampsUnix = []
        self.glint_pos_list = []
        self.pupil_pos_list = []
        self.gaze_pos_list = []
        self.data = {'pupil_positions':[],'gaze_positions':[],'notifications':[]}
        self.frame_count = 0
        self.running = True
        self.menu.read_only = True
        self.start_time = time()

        session = os.path.join(self.rec_dir, self.session_name)
        try:
            os.makedirs(session)
            logger.debug("Created new recordings session dir %s"%session)

        except:
            logger.debug("Recordings session dir %s already exists, using it." %session)

        # set up self incrementing folder within session folder
        counter = 0
        while True:
            self.rec_path = os.path.join(session, "%03d/" % counter)
            try:
                os.mkdir(self.rec_path)
                logger.debug("Created new recording dir %s"%self.rec_path)
                break
            except:
                logger.debug("We dont want to overwrite data, incrementing counter & trying to make new data folder")
                counter += 1

        self.meta_info_path = os.path.join(self.rec_path, "info.csv")

        with open(self.meta_info_path, 'w') as csvfile:
            csv_utils.write_key_value_file(csvfile,{
                'Recording Name': self.session_name,
                'Start Date': strftime("%d.%m.%Y", localtime(self.start_time)),
                'Start Time': strftime("%H:%M:%S", localtime(self.start_time)),
                'Start Time (seconds since epoch)':  str(self.start_time)
            })

        if self.audio_src != 'No Audio':
            audio_path = os.path.join(self.rec_path, "world.wav")
            self.audio_writer = Audio_Capture(audio_path,self.audio_devices_dict[self.audio_src])
        else:
            self.audio_writer = None

        if self.raw_jpeg and self.g_pool.capture.jpeg_support:
            self.video_path = os.path.join(self.rec_path, "world.mp4")
            self.writer = JPEG_Writer(self.video_path,self.g_pool.capture.frame_rate)
        else:
            self.video_path = os.path.join(self.rec_path, "world.mp4")
            self.writer = AV_Writer(self.video_path,fps=self.g_pool.capture.frame_rate)

        if self.show_info_menu:
            self.open_info_menu()
        logger.info("Started Recording.")
        self.notify_all( {'subject':'recording.started','rec_path':self.rec_path,'session_name':self.session_name,'record_eye':self.record_eye,'compression':self.raw_jpeg} )

    def open_info_menu(self):
        self.info_menu = ui.Growing_Menu('additional Recording Info',size=(300,300),pos=(300,300))
        self.info_menu.configuration = self.info_menu_conf

        def populate_info_menu():
            self.info_menu.elements[:-2] = []
            for name in self.user_info.iterkeys():
                self.info_menu.insert(0,ui.Text_Input(name,self.user_info))

        def set_user_info(new_string):
            self.user_info = new_string
            populate_info_menu()

        populate_info_menu()
        self.info_menu.append(ui.Info_Text('Use the *user info* field to add/remove additional fields and their values. The format must be a valid Python dictionary. For example -- {"key":"value"}. You can add as many fields as you require. Your custom fields will be saved for your next session.'))
        self.info_menu.append(ui.Text_Input('user_info',self,setter=set_user_info,label="User info"))
        self.g_pool.gui.append(self.info_menu)

    def close_info_menu(self):
        if self.info_menu:
            self.info_menu_conf = self.info_menu.configuration
            self.g_pool.gui.remove(self.info_menu)
            self.info_menu = None

    def update(self,frame,events):
        if self.running:
            for key,data in events.iteritems():
                if key not in ('dt') and key != 'timestamp_unix':
                    try:
                        self.data[key] += data
                    except KeyError:
                        self.data[key] = []
                        self.data[key] += data

            self.timestamps.append(frame.timestamp)
            self.writer.write_video_frame(frame)
            self.frame_count += 1

            for glint in events['glint_positions']:
                self.glint_pos_list += glint
            self.timestampsUnix.append(events['timestamp_unix'])
            # # cv2.putText(frame.img, "Frame %s"%self.frame_count,(200,200), cv2.FONT_HERSHEY_SIMPLEX,1,(255,100,100))

            self.button.status_text = self.get_rec_time_str()

    def stop(self):
        #explicit release of VideoWriter
        self.writer.release()
        self.writer = None

        save_object(self.data,os.path.join(self.rec_path, "pupil_data"))



        self.glint_pos_list = np.array(self.glint_pos_list)
        glint_list_path = os.path.join(self.rec_path, "glint_positions.npy")
        np.save(glint_list_path,self.glint_pos_list)

        timestamps_path = os.path.join(self.rec_path, "world_timestamps.npy")
        # ts = sanitize_timestamps(np.array(self.timestamps))
        ts = np.array(self.timestamps)
        np.save(timestamps_path,ts)

        timestampsUnix_path = os.path.join(self.rec_path, "world_timestamps_unix.npy")
        tsUnix = np.array(self.timestampsUnix)
        np.save(timestampsUnix_path,tsUnix)


        try:
            copy2(os.path.join(self.g_pool.user_dir,"surface_definitions"),os.path.join(self.rec_path,"surface_definitions"))
        except:
            logger.info("No surface_definitions data found. You may want this if you do marker tracking.")
        try:
            copy2(os.path.join(self.g_pool.user_dir,"user_calibration_data"),os.path.join(self.rec_path,"user_calibration_data"))
        except:
            logger.warning("No user calibration data found. Please calibrate first.")

        try:
            copy2(os.path.join(self.g_pool.user_dir,"cal_pt_cloud_glint.npy"),os.path.join(self.rec_path,"cal_pt_cloud_glint.npy"))
        except:
            logger.warning("No pupil-glint-vector calibration data found. Please calibrate first.")

        try:
            copy2(os.path.join(self.g_pool.user_dir,"cal_ref_list.npy"),os.path.join(self.rec_path,"cal_ref_list.npy"))
        except:
            logger.warning("No calibration reference list found.")

        try:
            copy2(os.path.join(self.g_pool.user_dir,"accuracy_test_pt_cloud.npy"),os.path.join(self.rec_path,"accuracy_test_pt_cloud.npy"))
            copy2(os.path.join(self.g_pool.user_dir,"accuracy_test_ref_list.npy"),os.path.join(self.rec_path,"accuracy_test_ref_list.npy"))
        except:
            logger.warning("No accuracy test found.")

        try:
            copy2(os.path.join(self.g_pool.user_dir,"accuracy_test_pt_cloud_previous.npy"),os.path.join(self.rec_path,"accuracy_test_pt_cloud_previous.npy"))
            copy2(os.path.join(self.g_pool.user_dir,"accuracy_test_ref_list_previous.npy"),os.path.join(self.rec_path,"accuracy_test_ref_list_previous.npy"))
        except:
            logger.warning("No previous accuracy test results.")


        camera_calibration = load_camera_calibration(self.g_pool)
        if camera_calibration is not None:
            save_object(camera_calibration,os.path.join(self.rec_path, "camera_calibration"))
        else:
            logger.info("No camera calibration found.")

        try:
            with open(self.meta_info_path, 'a') as csvfile:
                csv_utils.write_key_value_file(csvfile, {
                    'Duration Time': self.get_rec_time_str(),
                    'World Camera Frames': self.frame_count,
                    'World Camera Resolution': str(self.g_pool.capture.frame_size[0])+"x"+str(self.g_pool.capture.frame_size[1]),
                    'Capture Software Version': self.g_pool.version,
                    'System Info': get_system_info()
                }, append=True)
        except Exception:
            logger.exception("Could not save metadata. Please report this bug!")

        try:
            with open(os.path.join(self.rec_path, "user_info.csv"), 'w') as csvfile:
                csv_utils.write_key_value_file(csvfile, self.user_info)
        except Exception:
            logger.exception("Could not save userdata. Please report this bug!")


        self.close_info_menu()

        if self.audio_writer:
            self.audio_writer = None

        self.running = False
        self.menu.read_only = False
        self.button.status_text = ''

        self.timestamps = []
        self.data = {'pupil_positions':[],'gaze_positions':[]}
        self.pupil_pos_list = []
        self.gaze_pos_list = []

        logger.info("Saved Recording.")
        self.notify_all( {'subject':'rec_stopped','rec_path':self.rec_path,'network_propagate':True} )
        self.notify_all( {'subject':'recording.stopped','rec_path':self.rec_path} )

        copyfile(os.path.join(self.g_pool.user_dir,'capture.log'), os.path.join(self.rec_path,"capture.log"))

    def cleanup(self):
        """gets called when the plugin get terminated.
           either volunatily or forced.
        """
        if self.running:
            self.stop()
        self.deinit_gui()

    def verify_path(self,val):
        try:
            n_path = os.path.expanduser(val)
            logger.debug("Expanded user path.")
        except:
            n_path = val
        if not n_path:
            logger.warning("Please specify a path.")
            return False
        elif not os.path.isdir(n_path):
            logger.warning("This is not a valid path.")
            return False
        # elif not os.access(n_path, os.W_OK):
        elif not writable_dir(n_path):
            logger.warning("Do not have write access to '%s'."%n_path)
            return False
        else:
            return n_path

    def set_rec_dir(self,val):
        n_path = self.verify_path(val)
        if n_path:
            self.rec_dir = n_path

    def set_session_name(self, val):
        if not val:
            self.session_name = get_auto_name()
        else:
            if '/' in val:
                logger.warning('You session name will create one or more subdirectories')
            self.session_name = val
Exemplo n.º 11
0
class Audio_Capture(Plugin):
    """docstring for Audio_Capture"""
    def __init__(self, g_pool, audio_src='No Audio'):
        super().__init__(g_pool)
        self.audio_devices_dict = Audio_Input_Dict()
        if audio_src in list(self.audio_devices_dict.keys()):
            self.audio_src = audio_src
        else:
            self.audio_src = 'No Audio'

        self.thread = None
        self.running = Event()
        self.audio_container = None
        self.audio_out_stream = None
        self.queue = queue.Queue()
        self.start_capture(self.audio_src)

    def recent_events(self, events):
        audio_packets = []
        while True:
            try:
                packet = self.queue.get_nowait()
            except queue.Empty:
                break
            audio_packets.append(packet)
        events['audio_packets'] = audio_packets
        if self.audio_container is not None:
            for packet in audio_packets:
                self.write_audio_packet(packet)

    def init_gui(self):
        self.menu = ui.Growing_Menu('Audio Capture')
        self.menu.collapsed = True
        self.g_pool.sidebar.append(self.menu)

        def close():
            self.alive = False

        help_str = 'Creates events for audio input.'
        self.menu.append(ui.Button('Close', close))
        self.menu.append(ui.Info_Text(help_str))

        def audio_dev_getter():
            # fetch list of currently available
            self.audio_devices_dict = Audio_Input_Dict()
            devices = list(self.audio_devices_dict.keys())
            return devices, devices

        self.menu.append(
            ui.Selector('audio_src',
                        self,
                        selection_getter=audio_dev_getter,
                        label='Audio Source',
                        setter=self.start_capture))

        self.menu.append(ui.Info_Text(NOT_REC_STR))

    def get_init_dict(self):
        return {'audio_src': self.audio_src}

    def deinit_gui(self):
        if self.menu:
            self.g_pool.sidebar.remove(self.menu)
            self.menu = None

    def cleanup(self):
        if self.audio_container is not None:
            self.close_audio_recording()
        self.running.clear()
        self.deinit_gui()
        if self.thread and self.thread.is_alive():
            self.thread.join(timeout=1)

    def on_notify(self, notification):
        if notification['subject'] == 'recording.started':
            if self.running.is_set() and self.audio_container is None:
                self.rec_dir = notification['rec_path']
                rec_file = os.path.join(self.rec_dir, 'audio.wav')
                self.audio_container = av.open(rec_file, 'w')
                self.timestamps = []

                self.menu[-2].read_only = True
                del self.menu[-1]
                self.menu.append(ui.Info_Text(REC_STR))
            elif not self.running.is_set():
                logger.warning(
                    'Recording was started without an active audio capture')
            else:
                logger.warning('Audio is already being recorded')
        elif notification['subject'] == 'recording.stopped':
            if self.audio_container is not None and self.audio_out_stream is not None:
                self.close_audio_recording()

    def close_audio_recording(self):
        self.audio_container.close()
        ts_loc = os.path.join(self.rec_dir, 'audio_timestamps.npy')
        np.save(ts_loc, np.asarray(self.timestamps))

        self.timestamps = None
        self.audio_out_stream = None
        self.audio_container = None

        self.menu[-2].read_only = False
        del self.menu[-1]
        self.menu.append(ui.Info_Text(NOT_REC_STR))

    def write_audio_packet(self, packet):
        # Test if audio outstream has been initialized
        if self.audio_out_stream is None:
            try:
                self.audio_out_stream = self.audio_container.add_stream(
                    template=packet.stream)
            except ValueError as e:
                # packet.stream codec is not supported in target container.
                logger.error(
                    'Failed to create audio stream. Aborting recording.')
                logger.debug('Reason: {}'.format(e))
                self.close_audio_recording()

        self.timestamps.append(packet.timestamp)
        self.audio_container.mux(packet)

    def start_capture(self, audio_src):

        if self.thread and self.thread.is_alive():
            if self.audio_src == audio_src:
                return  # capture is already running for our selected source
            # else stop current capture gracefully
            self.running.clear()
            logger.debug('Closing capture for "{}"'.format(self.audio_src))
            self.thread.join(timeout=1)
            self.thread = None
        if audio_src not in self.audio_devices_dict:
            logger.warning('Selected audio source is not available anymore')
            return

        self.audio_src = audio_src
        if audio_src == 'No Audio':
            return

        self.running.set()
        self.thread = Thread(target=self.capture_thread,
                             args=(self.audio_devices_dict[audio_src],
                                   self.running))
        self.thread.start()

    def capture_thread(self, audio_src, running):
        try:
            if platform.system() == "Darwin":
                in_container = av.open('none:{}'.format(audio_src),
                                       format="avfoundation")
            elif platform.system() == "Linux":
                in_container = av.open('hw:{}'.format(audio_src),
                                       format="alsa")
            else:
                raise av.AVError('Platform does not support audio capture.')
        except av.AVError:
            running.clear()
            return

        in_stream = None
        for stream in in_container.streams:
            if stream.type == 'audio':
                in_stream = stream
                break

        if not in_stream:
            logger.warning('No audio stream found for selected device.')
            running.clear()
            return

        stream_start_ts = self.g_pool.get_now()
        for packet in in_container.demux(in_stream):
            try:
                # ffmpeg timestamps - in_stream.startime = packte pts relative to startime
                # multiply with stream_timebase to get seconds
                # add start time of this stream in pupil time unadjusted
                # finally add pupil timebase offset to adjust for settable timebase.
                packet.timestamp = (
                    packet.pts - in_stream.start_time
                ) * in_stream.time_base + stream_start_ts - self.g_pool.timebase.value
                self.queue.put_nowait(packet)
            except queue.Full:
                pass  # drop packet
            if not running.is_set():
                return

        self.audio_src = 'No Audio'
        running.clear()  # in_stream stopped yielding packets
Exemplo n.º 12
0
class Audio_Capture(Plugin):
    """docstring for Audio_Capture"""

    icon_chr = chr(0xE029)
    icon_font = "pupil_icons"

    def __init__(self, g_pool, audio_src="No Audio"):
        super().__init__(g_pool)
        self.audio_devices_dict = Audio_Input_Dict()
        if audio_src in list(self.audio_devices_dict.keys()):
            self.audio_src = audio_src
        else:
            self.audio_src = "No Audio"

        self.thread = None
        self.running = Event()
        self.recording = Event()
        self.recording.clear()
        self.audio_container = None
        self.audio_out_stream = None
        self.queue = queue.Queue()
        self.start_capture(self.audio_src)

    def init_ui(self):
        self.add_menu()
        self.menu.label = "Audio Capture"

        help_str = "Creates events for audio input."
        self.menu.append(ui.Info_Text(help_str))

        def audio_dev_getter():
            # fetch list of currently available
            audio_src_val = None
            if self.audio_devices_dict is not None:
                if self.audio_src in self.audio_devices_dict.keys():
                    audio_src_val = self.audio_devices_dict[self.audio_src]
            self.audio_devices_dict = Audio_Input_Dict()
            if audio_src_val is not None:
                self.audio_devices_dict[self.audio_src] = audio_src_val

            devices = list(self.audio_devices_dict.keys())
            return devices, devices

        self.menu.append(
            ui.Selector(
                "audio_src",
                self,
                selection_getter=audio_dev_getter,
                label="Audio Source",
                setter=self.start_capture,
            )
        )

        self.menu.append(ui.Info_Text(NOT_REC_STR))

    def deinit_ui(self):
        self.remove_menu()

    def get_init_dict(self):
        return {"audio_src": self.audio_src}

    def cleanup(self):
        if self.audio_container is not None:
            self.close_audio_recording()
        self.running.clear()
        if self.thread and self.thread.is_alive():
            self.thread.join(timeout=1)

    def on_notify(self, notification):
        if notification["subject"] == "recording.started":
            self.rec_dir = notification["rec_path"]
            self.recording.set()
            if self.running.is_set():  # and self.audio_container is None:
                self.menu[-2].read_only = True
                del self.menu[-1]
                self.menu.append(ui.Info_Text(REC_STR))
            elif not self.running.is_set():
                logger.warning("Recording was started without an active audio capture")
        elif notification["subject"] == "recording.stopped":
            self.recording.clear()
            self.close_audio_recording()

    def close_audio_recording(self):
        self.menu[-2].read_only = False
        del self.menu[-1]
        self.menu.append(ui.Info_Text(NOT_REC_STR))

    def write_audio_packet(self, audio_frame):
        # Test if audio outstream has been initialized
        if self.audio_out_stream is None:
            try:
                self.audio_out_stream = self.audio_container.add_stream("aac")
            except ValueError as e:
                # packet.stream codec is not supported in target container.
                logger.error("Failed to create audio stream. Aborting recording.")
                logger.debug("Reason: {}".format(e))
                self.close_audio_recording()

        self.timestamps.append(audio_frame.timestamp)
        packet = self.audio_out_stream.encode(audio_frame)
        if packet is not None:
            self.audio_container.mux(packet)

    def start_capture(self, audio_src):

        if self.thread and self.thread.is_alive():
            if self.audio_src == audio_src:
                return  # capture is already running for our selected source
            # else stop current capture gracefully
            self.running.clear()
            logger.debug('Closing capture for "{}"'.format(self.audio_src))
            self.thread.join(timeout=1)
            self.thread = None
        if audio_src not in self.audio_devices_dict:
            logger.warning("Selected audio source is not available anymore")
            return

        self.audio_src = audio_src
        if audio_src == "No Audio":
            return

        self.running.set()
        self.thread = Thread(
            target=self.capture_thread,
            args=(self.audio_devices_dict[audio_src], self.running, self.recording),
        )
        self.thread.start()

    def capture_thread(self, audio_src, running, recording):
        try:
            if platform.system() == "Darwin":
                in_container = av.open(
                    "none:{}".format(audio_src), format="avfoundation"
                )
            elif platform.system() == "Linux":
                print("audio src = {}".format(audio_src))
                dev_str = re.search("(hw:\s*\d+,\s*\d+)", audio_src)
                in_container = av.open(dev_str.group(0), format="alsa")
            elif platform.system() == "Windows":
                in_container = av.open(
                    "audio={}".format(audio_src),
                    format="dshow",
                    options={"audio_buffer_size": "23"},
                )
            else:
                raise av.AVError("Platform does not support audio capture.")
        except av.AVError as err:
            running.clear()
            self.audio_src = "No Audio"
            logger.warning("Error starting audio capture: {}".format(err))
            return

        in_stream = None
        try:
            in_stream = in_container.streams.audio[0]
        except IndexError:
            logger.warning("No audio stream found for selected device.")
            running.clear()
            self.audio_src = "No Audio"
            return

        out_container = None
        out_stream = None
        timestamps = None
        in_frame_size = 0

        stream_epoch = in_stream.start_time * in_stream.time_base
        uvc_clock_dif = abs(stream_epoch - self.g_pool.get_now())
        pyt_clock_dif = abs(stream_epoch - time())
        max_clock_dif = 4.0

        if uvc_clock_dif > max_clock_dif and pyt_clock_dif > max_clock_dif:
            logger.error("Could not identify audio stream clock.")
            running.clear()
            self.audio_src = "No Audio"
            return
        elif uvc_clock_dif > pyt_clock_dif:
            logger.info(
                "Audio stream uses time.time() as clock (Δ {}s)".format(pyt_clock_dif)
            )
            clock_differences = self.g_pool.get_now() - time()
        else:
            logger.info("Audio stream uses uvc.get_time_monotonic() as clock")
            clock_differences = 0

        def close_recording():
            # Bind nonlocal variables, https://www.python.org/dev/peps/pep-3104/
            nonlocal out_container, out_stream, in_stream, in_frame_size, timestamps, out_frame_num
            if out_container is not None:
                timestamps.append(timestamp)
                audio_frame.pts = None
                out_packets = [out_stream.encode(audio_frame)]
                while out_packets[-1]:
                    out_packets.append(out_stream.encode(None))
                for out_packet in out_packets:
                    if out_packet is not None:
                        out_container.mux(out_packet)
                out_container.close()

                out_frame_num = out_stream.frames
                in_frame_rate = in_stream.rate
                # in_stream.frame_size does not return the correct value.
                out_frame_size = out_stream.frame_size
                out_frame_rate = out_stream.rate

                new_ts_idx = (
                    np.arange(0, out_frame_num * out_frame_size, out_frame_size)
                    / out_frame_rate
                )
                if in_frame_rate != out_frame_rate:
                    old_ts_idx = (
                        np.arange(0, len(timestamps) * in_frame_size, in_frame_size)
                        / in_frame_rate
                    )
                    interpolate = interp1d(
                        old_ts_idx,
                        timestamps,
                        bounds_error=False,
                        fill_value="extrapolate",
                    )
                    new_ts = interpolate(new_ts_idx)
                else:
                    new_ts = timestamps[0] + new_ts_idx

                ts_loc = os.path.join(self.rec_dir, "audio_timestamps.npy")
                np.save(ts_loc, new_ts)
            out_container = None
            out_stream = None
            timestamps = None

        for packet in in_container.demux(in_stream):
            # ffmpeg timestamps - in_stream.startime = packte pts relative to startime
            # multiply with stream_timebase to get seconds
            # add start time of this stream in pupil time unadjusted
            # finally add pupil timebase offset to adjust for settable timebase.
            for audio_frame in packet.decode():
                timestamp = (
                    audio_frame.pts * in_stream.time_base
                    + clock_differences
                    - self.g_pool.timebase.value
                )

                if recording.is_set():
                    if out_container is None:
                        rec_file = os.path.join(self.rec_dir, "audio.mp4")
                        out_container = av.open(rec_file, "w")
                        out_stream = out_container.add_stream(
                            "aac", rate=in_stream.rate
                        )
                        out_frame_num = 0
                        in_frame_size = (
                            audio_frame.samples
                        )  # set here to make sure full packet size is used
                        timestamps = []

                    timestamps.append(timestamp)
                    audio_frame.pts = None
                    out_packets = [out_stream.encode(audio_frame)]
                    for out_packet in out_packets:
                        if out_packet is not None:
                            out_container.mux(out_packet)

                elif out_container is not None:
                    # recording stopped
                    close_recording()
            if not running.is_set():
                close_recording()
                return

        close_recording()
        self.audio_src = "No Audio"
        running.clear()  # in_stream stopped yielding packets
Exemplo n.º 13
0
class Recorder(Plugin):
    """Capture Recorder"""
    def __init__(self,g_pool,session_name = get_auto_name(),rec_dir=None, user_info={'name':'','additional_field':'change_me'},info_menu_conf={},show_info_menu=False, record_eye = False, audio_src = 'No Audio',raw_jpeg=True):
        super(Recorder, self).__init__(g_pool)
        #update name if it was autogenerated.
        if session_name.startswith('20') and len(session_name)==10:
            session_name = get_auto_name()

        base_dir = self.g_pool.user_dir.rsplit(os.path.sep,1)[0]
        default_rec_dir = os.path.join(base_dir,'recordings')

        if rec_dir and rec_dir != default_rec_dir and self.verify_path(rec_dir):
            self.rec_dir = rec_dir
        else:
            try:
                os.makedirs(default_rec_dir)
            except OSError as e:
                if e.errno != errno.EEXIST:
                    logger.error("Could not create Rec dir")
                    raise e
            else:
                logger.info('Created standard Rec dir at "%s"'%default_rec_dir)
            self.rec_dir = default_rec_dir

        self.raw_jpeg = raw_jpeg
        self.order = .9
        self.record_eye = record_eye
        self.session_name = session_name
        self.audio_devices_dict = Audio_Input_Dict()
        if audio_src in self.audio_devices_dict.keys():
            self.audio_src = audio_src
        else:
            self.audio_src = 'No Audio'
        self.running = False
        self.menu = None
        self.button = None

        self.user_info = user_info
        self.show_info_menu = show_info_menu
        self.info_menu = None
        self.info_menu_conf = info_menu_conf


    def get_init_dict(self):
        d = {}
        d['record_eye'] = self.record_eye
        d['audio_src'] = self.audio_src
        d['session_name'] = self.session_name
        d['user_info'] = self.user_info
        d['info_menu_conf'] = self.info_menu_conf
        d['show_info_menu'] = self.show_info_menu
        d['rec_dir'] = self.rec_dir
        d['raw_jpeg'] = self.raw_jpeg
        return d


    def init_gui(self):
        self.menu = ui.Growing_Menu('Recorder')
        self.g_pool.sidebar.insert(3,self.menu)
        self.menu.append(ui.Info_Text('Pupil recordings are saved like this: "path_to_recordings/recording_session_name/nnn" where "nnn" is an increasing number to avoid overwrites. You can use "/" in your session name to create subdirectories.'))
        self.menu.append(ui.Info_Text('Recordings are saved to "~/pupil_recordings". You can change the path here but note that invalid input will be ignored.'))
        self.menu.append(ui.Text_Input('rec_dir',self,setter=self.set_rec_dir,label='Path to recordings'))
        self.menu.append(ui.Text_Input('session_name',self,setter=self.set_session_name,label='Recording session name'))
        self.menu.append(ui.Switch('show_info_menu',self,on_val=True,off_val=False,label='Request additional user info'))
        self.menu.append(ui.Selector('raw_jpeg',self,selection = [True,False], labels=["bigger file, less CPU", "smaller file, more CPU"],label='Compression'))
        self.menu.append(ui.Info_Text('Recording the raw eye video is optional. We use it for debugging.'))
        self.menu.append(ui.Switch('record_eye',self,on_val=True,off_val=False,label='Record eye'))
        self.menu.append(ui.Selector('audio_src',self, selection=self.audio_devices_dict.keys(),label='Audio Source'))

        self.button = ui.Thumb('running',self,setter=self.toggle,label='Record',hotkey='r')
        self.button.on_color[:] = (1,.0,.0,.8)
        self.g_pool.quickbar.insert(1,self.button)


    def deinit_gui(self):
        if self.menu:
            self.g_pool.sidebar.remove(self.menu)
            self.menu = None
        if self.button:
            self.g_pool.quickbar.remove(self.button)
            self.button = None



    def toggle(self, _=None):
        if self.running:
            self.notify_all( {'subject':'should_stop_recording','network_propagate':True} )
        else:
            self.notify_all( {'subject':'should_start_recording','session_name':self.session_name,'network_propagate':True} )


    def on_notify(self,notification):

        # notification wants to be recorded
        if notification.get('record',False) and self.running:
            self.data['notifications'].append(notification)


        # Notificatio to start recording
        elif notification['subject'] == 'should_start_recording':
            if self.running:
                logger.info('Recording already running!')
            else:
                if notification.get("session_name",""):
                    self.set_session_name(notification["session_name"])
                self.start()
        # Remote has stopped recording, we should stop as well.
        elif notification['subject'] == 'should_stop_recording':
            if self.running:
                self.stop()
            else:
                logger.info('Recording already stopped!')


    def get_rec_time_str(self):
        rec_time = gmtime(time()-self.start_time)
        return strftime("%H:%M:%S", rec_time)

    def start(self):
        self.timestamps = []
        self.data = {'pupil_positions':[],'gaze_positions':[],'notifications':[]}
        self.pupil_diameter = []  #addBy Changsoon
        self.gaze_point_z = []    #addBy Changsoon
        self.gaze_point_x = []    #addBy Changsoon
        self.gaze_point_y = []    #addBy Changsoon
        self.frame_count = 0
        self.running = True
        self.menu.read_only = True
        self.start_time = time()

        session = os.path.join(self.rec_dir, self.session_name)
        try:
            os.makedirs(session)
            logger.debug("Created new recordings session dir %s"%session)

        except:
            logger.debug("Recordings session dir %s already exists, using it." %session)

        # set up self incrementing folder within session folder
        counter = 0
        while True:
            self.rec_path = os.path.join(session, "%03d/" % counter)
            try:
                os.mkdir(self.rec_path)
                logger.debug("Created new recording dir %s"%self.rec_path)
                break
            except:
                logger.debug("We dont want to overwrite data, incrementing counter & trying to make new data folder")
                counter += 1

        self.meta_info_path = os.path.join(self.rec_path, "info.csv")

        with open(self.meta_info_path, 'w') as f:
            f.write("Recording Name\t"+self.session_name+ "\n")
            f.write("Start Date\t"+ strftime("%d.%m.%Y", localtime(self.start_time))+ "\n")
            f.write("Start Time\t"+ strftime("%H:%M:%S", localtime(self.start_time))+ "\n")


        if self.audio_src != 'No Audio':
            audio_path = os.path.join(self.rec_path, "world.wav")
            self.audio_writer = Audio_Capture(audio_path,self.audio_devices_dict[self.audio_src])
        else:
            self.audio_writer = None

        if self.raw_jpeg and self.g_pool.capture.jpeg_support:
            self.video_path = os.path.join(self.rec_path, "world.mp4")
            self.writer = JPEG_Writer(self.video_path,self.g_pool.capture.frame_rate)
        else:
            self.video_path = os.path.join(self.rec_path, "world.mp4")
            self.writer = AV_Writer(self.video_path,fps=self.g_pool.capture.frame_rate)

        # positions path to eye process
        if self.record_eye:
            for alive, pipe in zip(self.g_pool.eyes_are_alive,self.g_pool.eye_pipes):
                if alive.value:
                    pipe.send( ('Rec_Start',(self.rec_path,self.raw_jpeg) ) )

        if self.show_info_menu:
            self.open_info_menu()
        logger.info("Started Recording.")
        self.notify_all( {'subject':'rec_started','rec_path':self.rec_path,'session_name':self.session_name,'network_propagate':True} )

    def open_info_menu(self):
        self.info_menu = ui.Growing_Menu('additional Recording Info',size=(300,300),pos=(300,300))
        self.info_menu.configuration = self.info_menu_conf

        def populate_info_menu():
            self.info_menu.elements[:-2] = []
            for name in self.user_info.iterkeys():
                self.info_menu.insert(0,ui.Text_Input(name,self.user_info))

        def set_user_info(new_string):
            self.user_info = new_string
            populate_info_menu()

        populate_info_menu()
        self.info_menu.append(ui.Info_Text('Use the *user info* field to add/remove additional fields and their values. The format must be a valid Python dictionary. For example -- {"key":"value"}. You can add as many fields as you require. Your custom fields will be saved for your next session.'))
        self.info_menu.append(ui.Text_Input('user_info',self,setter=set_user_info,label="User info"))
        self.g_pool.gui.append(self.info_menu)

    def close_info_menu(self):
        if self.info_menu:
            self.info_menu_conf = self.info_menu.configuration
            self.g_pool.gui.remove(self.info_menu)
            self.info_menu = None

    def update(self,frame,events):
        if self.running:
            for key,data in events.iteritems():
                if key not in ('dt'):
                    try:
                        self.data[key] += data
                        if (key == 'pupil_positions'):
                            try:
                                pupilDict = data[0]
                                self.pupil_diameter.append(pupilDict.get('diameter'))
                            except:
                                print('error');
                        elif (key == 'gaze_positions'):
                            try:
                                gazeDict = data[0]
                                self.gaze_point_x.append(gazeDict.get('norm_pos')[0])
                                self.gaze_point_y.append(gazeDict.get('norm_pos')[1])
                                self.gaze_point_z.append(gazeDict.get('gaze_point_3d')[2])
                            except:
                                print('error')
                        print(self.pupil_diameter)
                        print(self.gaze_point_x)
                        print(self.gaze_point_y)
                        
                        cv2.namedWindow("window")
                        #image process (OCR) find the condion that show use OCR
                        except Exception as error:
                            print(error)
Exemplo n.º 14
0
class Audio_Capture(Plugin):
    """docstring for Audio_Capture"""
    def __init__(self, g_pool, audio_src='No Audio'):
        super().__init__(g_pool)
        self.audio_devices_dict = Audio_Input_Dict()
        if audio_src in list(self.audio_devices_dict.keys()):
            self.audio_src = audio_src
        else:
            self.audio_src = 'No Audio'

        self.thread = None
        self.running = Event()
        self.audio_container = None
        self.audio_out_stream = None
        self.queue = queue.Queue()
        self.start_capture(self.audio_src)

    def recent_events(self, events):
        audio_packets = []
        while True:
            try:
                packet = self.queue.get_nowait()
            except queue.Empty:
                break
            audio_packets.append(packet)
        events['audio_packets'] = audio_packets
        if self.audio_container is not None:
            for packet in audio_packets:
                self.write_audio_packet(packet)

    def init_gui(self):
        self.menu = ui.Growing_Menu('Audio Capture')
        self.menu.collapsed = True
        self.g_pool.sidebar.append(self.menu)

        def close():
            self.alive = False
        help_str = 'Creates events for audio input.'
        self.menu.append(ui.Button('Close', close))
        self.menu.append(ui.Info_Text(help_str))

        def audio_dev_getter():
            # fetch list of currently available
            self.audio_devices_dict = Audio_Input_Dict()
            devices = list(self.audio_devices_dict.keys())
            return devices, devices

        self.menu.append(ui.Selector('audio_src', self,
                                     selection_getter=audio_dev_getter,
                                     label='Audio Source',
                                     setter=self.start_capture))

        self.menu.append(ui.Info_Text(NOT_REC_STR))

    def get_init_dict(self):
        return {'audio_src': self.audio_src}

    def deinit_gui(self):
        if self.menu:
            self.g_pool.sidebar.remove(self.menu)
            self.menu = None

    def cleanup(self):
        if self.audio_container is not None:
            self.close_audio_recording()
        self.running.clear()
        self.deinit_gui()
        if self.thread and self.thread.is_alive():
            self.thread.join(timeout=1)

    def on_notify(self, notification):
        if notification['subject'] == 'recording.started':
            if self.running.is_set() and self.audio_container is None:
                self.rec_dir = notification['rec_path']
                rec_file = os.path.join(self.rec_dir, 'audio.wav')
                self.audio_container = av.open(rec_file, 'w')
                self.timestamps = []

                self.menu[-2].read_only = True
                del self.menu[-1]
                self.menu.append(ui.Info_Text(REC_STR))
            elif not self.running.is_set():
                logger.warning('Recording was started without an active audio capture')
            else:
                logger.warning('Audio is already being recorded')
        elif notification['subject'] == 'recording.stopped':
            if self.audio_container is not None and self.audio_out_stream is not None:
                self.close_audio_recording()

    def close_audio_recording(self):
        self.audio_container.close()
        ts_loc = os.path.join(self.rec_dir, 'audio_timestamps.npy')
        np.save(ts_loc, np.asarray(self.timestamps))

        self.timestamps = None
        self.audio_out_stream = None
        self.audio_container = None

        self.menu[-2].read_only = False
        del self.menu[-1]
        self.menu.append(ui.Info_Text(NOT_REC_STR))

    def write_audio_packet(self, packet):
        # Test if audio outstream has been initialized
        if self.audio_out_stream is None:
            try:
                self.audio_out_stream = self.audio_container.add_stream(template=packet.stream)
            except ValueError as e:
                # packet.stream codec is not supported in target container.
                logger.error('Failed to create audio stream. Aborting recording.')
                logger.debug('Reason: {}'.format(e))
                self.close_audio_recording()

        self.timestamps.append(packet.timestamp)
        self.audio_container.mux(packet)

    def start_capture(self, audio_src):

        if self.thread and self.thread.is_alive():
            if self.audio_src == audio_src:
                return  # capture is already running for our selected source
            # else stop current capture gracefully
            self.running.clear()
            logger.debug('Closing capture for "{}"'.format(self.audio_src))
            self.thread.join(timeout=1)
            self.thread = None
        if audio_src not in self.audio_devices_dict:
            logger.warning('Selected audio source is not available anymore')
            return

        self.audio_src = audio_src
        if audio_src == 'No Audio':
            return

        self.running.set()
        self.thread = Thread(target=self.capture_thread,
                             args=(self.audio_devices_dict[audio_src], self.running))
        self.thread.start()

    def capture_thread(self, audio_src, running):
        try:
            if platform.system() == "Darwin":
                in_container = av.open('none:{}'.format(audio_src), format="avfoundation")
            elif platform.system() == "Linux":
                in_container = av.open('hw:{}'.format(audio_src), format="alsa")
            else:
                raise av.AVError('Platform does not support audio capture.')
        except av.AVError:
            running.clear()
            return

        in_stream = None
        for stream in in_container.streams:
            if stream.type == 'audio':
                in_stream = stream
                break

        if not in_stream:
            logger.warning('No audio stream found for selected device.')
            running.clear()
            return

        stream_start_ts = self.g_pool.get_now()
        for packet in in_container.demux(in_stream):
            try:
                # ffmpeg timestamps - in_stream.startime = packte pts relative to startime
                # multiply with stream_timebase to get seconds
                # add start time of this stream in pupil time unadjusted
                # finally add pupil timebase offset to adjust for settable timebase.
                packet.timestamp = (packet.pts - in_stream.start_time) * in_stream.time_base + stream_start_ts - self.g_pool.timebase.value
                self.queue.put_nowait(packet)
            except queue.Full:
                pass  # drop packet
            if not running.is_set():
                return

        self.audio_src = 'No Audio'
        running.clear()  # in_stream stopped yielding packets
Exemplo n.º 15
0
class Recorder(Plugin):
    """Capture Recorder"""
    def __init__(self,
                 g_pool,
                 session_name=get_auto_name(),
                 rec_dir=None,
                 user_info={
                     'name': '',
                     'additional_field': 'change_me'
                 },
                 info_menu_conf={},
                 show_info_menu=False,
                 record_eye=False,
                 audio_src='No Audio',
                 raw_jpeg=False):
        super(Recorder, self).__init__(g_pool)

        self.states = ['start', 'want', 'pick']
        self.all_qr = {
            'termo1': 75,
            'light1': False,
            'light2': False,
            'light3': False
        }
        self.this_state = 'start'
        self.start_state = time()
        self.qr_codes = {}
        self.gaze_x = -1
        self.gaze_y = -1
        self.avg_col = 0
        self.choice = ""

        #update name if it was autogenerated.
        if session_name.startswith('20') and len(session_name) == 10:
            session_name = get_auto_name()

        base_dir = self.g_pool.user_dir.rsplit(os.path.sep, 1)[0]
        default_rec_dir = os.path.join(base_dir, 'recordings')

        if rec_dir and rec_dir != default_rec_dir and self.verify_path(
                rec_dir):
            self.rec_dir = rec_dir
        else:
            try:
                os.makedirs(default_rec_dir)
            except OSError as e:
                if 'File exists' in '%s' % e:
                    pass
                else:
                    logger.error("Could not create Rec dir")
                    raise e
            else:
                logger.info('Created standard Rec dir at "%s"' %
                            default_rec_dir)
            self.rec_dir = default_rec_dir
        # if rec_dir and rec_dir != default_rec_dir and self.verify_path(rec_dir):
        #     self.rec_dir = rec_dir
        # else:
        #     #lets make a rec dir next to the user dir
        #     base_dir = self.g_pool.user_dir.rsplit(os.path.sep,1)[0]
        #     self.rec_dir = os.path.join(base_dir,'recordings')
        #     if not os.path.isdir(self.rec_dir):
        #         os.mkdir(self.rec_dir)

        self.raw_jpeg = raw_jpeg
        self.order = .9
        self.record_eye = record_eye
        self.session_name = session_name
        self.audio_devices_dict = Audio_Input_Dict()
        if audio_src in self.audio_devices_dict.keys():
            self.audio_src = audio_src
        else:
            self.audio_src = 'No Audio'
        self.running = False
        self.menu = None
        self.button = None

        self.user_info = user_info
        self.show_info_menu = show_info_menu
        self.info_menu = None
        self.info_menu_conf = info_menu_conf
        self.height, self.width = self.g_pool.capture.frame_size

    def get_init_dict(self):
        d = {}
        d['record_eye'] = self.record_eye
        d['audio_src'] = self.audio_src
        d['session_name'] = self.session_name
        d['user_info'] = self.user_info
        d['info_menu_conf'] = self.info_menu_conf
        d['show_info_menu'] = self.show_info_menu
        d['rec_dir'] = self.rec_dir
        d['raw_jpeg'] = self.raw_jpeg
        # if self.menu:
        #     d['menu_conf'] = self.menu.configuration
        # else:
        #     d['menu_conf'] = self.menu_conf
        return d

    def init_gui(self):
        self.menu = ui.Growing_Menu('Recorder')
        # self.menu.configuration = self.menu_conf
        self.g_pool.sidebar.insert(3, self.menu)
        self.menu.append(
            ui.Info_Text(
                'Pupil recordings are saved like this: "path_to_recordings/recording_session_name/nnn" where "nnn" is an increasing number to avoid overwrites. You can use "/" in your session name to create subdirectories.'
            ))
        self.menu.append(
            ui.Info_Text(
                'Recordings are saved to "~/pupil_recordings". You can change the path here but note that invalid input will be ignored.'
            ))
        self.menu.append(
            ui.Text_Input('rec_dir',
                          self,
                          setter=self.set_rec_dir,
                          label='Path to recordings'))
        self.menu.append(
            ui.Text_Input('session_name',
                          self,
                          setter=self.set_session_name,
                          label='Recording session name'))
        self.menu.append(
            ui.Switch('show_info_menu',
                      self,
                      on_val=True,
                      off_val=False,
                      label='Request additional user info'))
        self.menu.append(
            ui.Selector(
                'raw_jpeg',
                self,
                selection=[True, False],
                labels=["bigger file, less CPU", "smaller file, more CPU"],
                label='compression'))
        self.menu.append(
            ui.Info_Text(
                'Recording the raw eye video is optional. We use it for debugging.'
            ))
        self.menu.append(
            ui.Switch('record_eye',
                      self,
                      on_val=True,
                      off_val=False,
                      label='Record eye'))
        self.menu.append(
            ui.Selector('audio_src',
                        self,
                        selection=self.audio_devices_dict.keys()))

        self.button = ui.Thumb('running',
                               self,
                               setter=self.toggle,
                               label='QR',
                               hotkey='r')
        self.button.on_color[:] = (1, .0, .0, .8)
        self.g_pool.quickbar.insert(1, self.button)

    def deinit_gui(self):
        if self.menu:
            # self.menu_conf = self.menu.configuration
            self.g_pool.sidebar.remove(self.menu)
            self.menu = None
        if self.button:
            self.g_pool.quickbar.remove(self.button)
            self.button = None

    def toggle(self, _=None):
        if self.running:
            self.stop()
        else:
            self.start()

    def get_rec_time_str(self):
        rec_time = gmtime(time() - self.start_time)
        return strftime("%H:%M:%S", rec_time)

    def start(self):
        self.timestamps = []
        # add self.data
        self.data = {'pupil_positions': [], 'gaze_positions': []}
        self.pupil_list = []
        self.gaze_list = []
        self.frame_count = 0
        self.running = True
        self.menu.read_only = True
        self.start_time = time()
        self.start_state = time()

        session = os.path.join(self.rec_dir, self.session_name)
        try:
            os.makedirs(session)
            logger.debug("Created new recordings session dir %s" % session)

        except:
            logger.debug(
                "Recordings session dir %s already exists, using it." %
                session)

        # set up self incrementing folder within session folder
        counter = 0
        while True:
            self.rec_path = os.path.join(session, "%03d/" % counter)
            try:
                os.mkdir(self.rec_path)
                logger.debug("Created new recording dir %s" % self.rec_path)
                break
            except:
                logger.debug(
                    "We dont want to overwrite data, incrementing counter & trying to make new data folder"
                )
                counter += 1

        self.meta_info_path = os.path.join(self.rec_path, "info.csv")

        with open(self.meta_info_path, 'w') as f:
            f.write("Recording Name\t" + self.session_name + "\n")
            f.write("Start Date\t" +
                    strftime("%d.%m.%Y", localtime(self.start_time)) + "\n")
            f.write("Start Time\t" +
                    strftime("%H:%M:%S", localtime(self.start_time)) + "\n")

        if self.audio_src != 'No Audio':
            audio_path = os.path.join(self.rec_path, "world.wav")
            self.audio_writer = Audio_Capture(
                self.audio_devices_dict[self.audio_src], audio_path)
        else:
            self.audio_writer = None

        if self.raw_jpeg and "uvc_capture" in str(
                self.g_pool.capture.__class__):
            self.video_path = os.path.join(self.rec_path, "world.mp4")
            self.writer = JPEG_Writer(self.video_path,
                                      int(self.g_pool.capture.frame_rate))
        # elif 1:
        #     self.writer = av_writer.AV_Writer(self.video_path)
        else:
            self.video_path = os.path.join(self.rec_path, "world.mkv")
            self.writer = CV_Writer(self.video_path,
                                    float(self.g_pool.capture.frame_rate),
                                    self.g_pool.capture.frame_size)
        # positions path to eye process
        if self.record_eye:
            for tx in self.g_pool.eye_tx:
                tx.send((self.rec_path, self.raw_jpeg))

        if self.show_info_menu:
            self.open_info_menu()
        # self.video_path = os.path.join(self.rec_path, "world.mkv")
        # self.writer = cv2.VideoWriter(self.video_path, int(cv2.cv.CV_FOURCC(*'DIVX')), float(self.g_pool.capture.frame_rate), (1280,720))
        # # positions path to eye process
        # if self.record_eye:
        #     for tx in self.g_pool.eye_tx:
        #         tx.send(self.rec_path)

        # if self.show_info_menu:
        #     self.open_info_menu()


###############

    def open_info_menu(self):
        self.info_menu = ui.Growing_Menu('additional Recording Info',
                                         size=(300, 300),
                                         pos=(300, 300))
        self.info_menu.configuration = self.info_menu_conf

        def populate_info_menu():
            self.info_menu.elements[:-2] = []
            for name in self.user_info.iterkeys():
                self.info_menu.insert(0, ui.Text_Input(name, self.user_info))

        def set_user_info(new_string):
            self.user_info = new_string
            populate_info_menu()

        populate_info_menu()
        self.info_menu.append(
            ui.Info_Text(
                'Use the *user info* field to add/remove additional fields and their values. The format must be a valid Python dictionary. For example -- {"key":"value"}. You can add as many fields as you require. Your custom fields will be saved for your next session.'
            ))
        self.info_menu.append(
            ui.Text_Input('user_info',
                          self,
                          setter=set_user_info,
                          label="User info"))
        self.g_pool.gui.append(self.info_menu)

    def close_info_menu(self):
        if self.info_menu:
            self.info_menu_conf = self.info_menu.configuration
            self.g_pool.gui.remove(self.info_menu)
            self.info_menu = None

    def update(self, frame, events):
        if self.running:
            # update data
            self.data['pupil_positions'] += events['pupil_positions']
            self.data['gaze_positions'] += events['gaze_positions']

            #cv2.putText(frame.img, "Frame %s"%self.frame_count,(200,200), cv2.FONT_HERSHEY_SIMPLEX,1,(255,100,100)
            cv2.putText(frame.img, self.this_state, (200, 100),
                        cv2.FONT_HERSHEY_SIMPLEX, 1, (255, 100, 100))
            if self.this_state == 'pick':
                cv2.putText(frame.img, self.choice, (300, 100),
                            cv2.FONT_HERSHEY_SIMPLEX, 1, (100, 100, 255))
            QRs = qr_detect(frame)
            for p in events['pupil_positions']:
                pupil_pos = p['timestamp'], p['confidence'], p['id'], p[
                    'norm_pos'][0], p['norm_pos'][1], p['diameter']

                self.pupil_list.append(pupil_pos)

            c = 0
            avg_x = -1
            avg_y = -1
            for g in events.get('gaze_positions', []):
                gaze_pos = g['timestamp'], g['confidence'], g['norm_pos'][
                    0], g['norm_pos'][1]
                avg_x = (avg_x * c + g['norm_pos'][0]) / (c + 1)
                avg_y = (avg_y * c + g['norm_pos'][0]) / (c + 1)
                c = c + 1
                self.gaze_list.append(gaze_pos)

            self.timestamps.append(frame.timestamp)

            avg_col = 0

            self.stateT(frame, QRs, avg_x, avg_y, avg_col)

            self.writer.write_video_frame(frame)
            self.frame_count += 1

            self.button.status_text = self.get_rec_time_str()

    def stop(self):
        #explicit release of VideoWriter
        self.writer.release()
        self.writer = None

        if self.record_eye:
            for tx in self.g_pool.eye_tx:
                try:
                    tx.send(None)
                except:
                    logger.warning(
                        "Could not stop eye-recording. Please report this bug!"
                    )

        save_object(self.data, os.path.join(self.rec_path, "pupil_data"))

        gaze_list_path = os.path.join(self.rec_path, "gaze_positions.npy")
        np.save(gaze_list_path, np.asarray(self.gaze_list))

        pupil_list_path = os.path.join(self.rec_path, "pupil_positions.npy")
        np.save(pupil_list_path, np.asarray(self.pupil_list))

        timestamps_path = os.path.join(self.rec_path, "world_timestamps.npy")
        ts = sanitize_timestamps(np.array(self.timestamps))
        np.save(timestamps_path, ts)

        try:
            copy2(os.path.join(self.g_pool.user_dir, "surface_definitions"),
                  os.path.join(self.rec_path, "surface_definitions"))
        except:
            logger.info(
                "No surface_definitions data found. You may want this if you do marker tracking."
            )

        try:
            copy2(os.path.join(self.g_pool.user_dir, "cal_pt_cloud.npy"),
                  os.path.join(self.rec_path, "cal_pt_cloud.npy"))
        except:
            logger.warning(
                "No calibration data found. Please calibrate first.")

        try:
            copy2(os.path.join(self.g_pool.user_dir, "camera_matrix.npy"),
                  os.path.join(self.rec_path, "camera_matrix.npy"))
            copy2(os.path.join(self.g_pool.user_dir, "dist_coefs.npy"),
                  os.path.join(self.rec_path, "dist_coefs.npy"))
        except:
            logger.info("No camera intrinsics found.")

        try:
            with open(self.meta_info_path, 'a') as f:
                f.write("Duration Time\t" + self.get_rec_time_str() + "\n")
                if self.g_pool.binocular:
                    f.write("Eye Mode\tbinocular\n")
                else:
                    f.write("Eye Mode\tmonocular\n")
                f.write("Duration Time\t" + self.get_rec_time_str() + "\n")
                f.write("World Camera Frames\t" + str(self.frame_count) + "\n")
                f.write("World Camera Resolution\t" + str(self.width) + "x" +
                        str(self.height) + "\n")
                f.write("Capture Software Version\t%s\n" % self.g_pool.version)
                if platform.system() == "Windows":
                    username = os.environ["USERNAME"]
                    sysname, nodename, release, version, machine, _ = platform.uname(
                    )
                else:
                    username = os.getlogin()
                    try:
                        sysname, nodename, release, version, machine = os.uname(
                        )
                    except:
                        sysname, nodename, release, version, machine = sys.platform, None, None, None, None
                f.write("User\t" + username + "\n")
                f.write("Platform\t" + sysname + "\n")
                f.write("Machine\t" + nodename + "\n")
                f.write("Release\t" + release + "\n")
                f.write("Version\t" + version + "\n")
        except Exception:
            logger.exception(
                "Could not save metadata. Please report this bug!")

        try:
            with open(os.path.join(self.rec_path, "user_info.csv"), 'w') as f:
                for name, val in self.user_info.iteritems():
                    f.write("%s\t%s\n" % (name, val))
        except Exception:
            logger.exception(
                "Could not save userdata. Please report this bug!")

        self.close_info_menu()

        if self.audio_writer:
            self.audio_writer = None

        self.running = False
        self.menu.read_only = False
        self.button.status_text = ''

    def cleanup(self):
        """gets called when the plugin get terminated.
           either volunatily or forced.
        """
        if self.running:
            self.stop()
        self.deinit_gui()

    def verify_path(self, val):
        try:
            n_path = os.path.expanduser(val)
            logger.debug("Expanded user path.")
        except:
            n_path = val
        if not n_path:
            logger.waring("Please specify a path.")
            return False
        elif not os.path.isdir(n_path):
            logger.warning("This is not a valid path.")
            return False
        elif not writable_dir(n_path):
            logger.warning("Do not have write access to '%s'." % n_path)
            return False
        else:
            return n_path

    def set_rec_dir(self, val):
        # try:
        #     n_path = os.path.expanduser(val)
        #     logger.debug("Expanded user path.")
        # except:
        #     n_path = val
        # if not n_path:
        #     logger.warning("Please specify a path.")
        # elif not os.path.isdir(n_path):
        #     logger.warning("This is not a valid path.")
        # # elif not os.access(n_path, os.W_OK):
        # elif not writable_dir(n_path):
        #     logger.warning("Do not have write access to '%s'."%n_path)
        # else:
        #     self.rec_dir = n_path
        n_path = self.verify_path(val)
        if n_path:
            self.rec_dir = n_path

    def set_session_name(self, val):
        if not val:
            self.session_name = get_auto_name()
        else:
            if '/' in val:
                logger.warning(
                    'You session name with create one or more subdirectories')
            self.session_name = val

    def stateT(self, frame, QRs, agaze_x, agaze_y, avg_col):
        if time() - self.start_time < 1:
            self.gaze_x = agaze_x
            self.gaze_y = agaze_y

        if self.this_state == 'start':
            if time() - self.start_state < 2:
                self.qr_codes = {}
                return True
            if self.Nochange_gaze(agaze_x, agaze_y, avg_col):
                self.this_state = 'want'

            self.start_state = time()
            self.gaze_x = agaze_x
            self.gaze_y = agaze_y
            return True

        if self.this_state == 'want':
            if time() - self.start_state < 2:
                self.qr_codes.update(QRs)
                return True
            if self.Nochange_gaze(agaze_x, agaze_y, avg_col) and self.qr_codes:
                self.this_state = 'pick'
                self.choice = self.choose(frame)
                #print self.qr_codes, self.choice
            else:

                self.this_state = 'start'
            self.start_state = time()
            self.gaze_x = agaze_x
            self.gaze_y = agaze_y
            return True
        if self.this_state == 'pick':
            if time() - self.start_state < 4:
                return True
            if self.Nochange_gaze(agaze_x, agaze_y, avg_col):
                del self.qr_codes[self.choice]
                if not self.qr_codes:
                    self.this_state = 'start'
                else:
                    self.choice = self.choose(frame)
                    #print self.choice
            else:
                print self.choice, " chosen"

                self.this_state = 'start'
            self.start_state = time()
            self.gaze_x = agaze_x
            self.gaze_y = agaze_y

        return True

    def Nochange_gaze(self, agaze_x, agaze_y, avg_col):
        #print self.gaze_x, self.gaze_y, agaze_x, agaze_y
        return (abs(self.gaze_x - agaze_x) < .1
                and abs(self.gaze_y - agaze_y) < .1)

    def choose(self, frame):
        h = frame.img.shape[0]
        w = frame.img.shape[1]
        gaze_x = self.gaze_x
        gaze_y = self.gaze_y
        if (gaze_x < 0 or gaze_y < 0):
            gaze_x = .5
            gaz_y = .5
        k = self.qr_codes.keys()
        chosen = k[0]
        min_dist = 1000000
        for name, mc in self.qr_codes.items():
            dis = (mc[0] - gaze_x * w) * (mc[0] - gaze_x * w) + (
                mc[1] - gaze_y * h) * (mc[1] - gaze_y * h)
            if dis < min_dist:
                min_dist = dis
                chosen = name
        return chosen
Exemplo n.º 16
0
class Recorder(Plugin):
    """Capture Recorder"""
    def __init__(self,g_pool,session_name = get_auto_name(),rec_dir=None, user_info={'name':'','additional_field':'change_me'},info_menu_conf={},show_info_menu=False, record_eye = False, audio_src = 'No Audio', raw_jpeg=False):
        super(Recorder, self).__init__(g_pool)
        
        self.states = ['start', 'want', 'pick']
        self.all_qr = {'termo1' : 75, 'light1' : False, 'light2' : False, 'light3': False}
        self.this_state = 'start'
        self.start_state = time()
        self.qr_codes = {}
        self.gaze_x = -1
        self.gaze_y = -1
        self.avg_col = 0
        self.choice = ""

        #update name if it was autogenerated.
        if session_name.startswith('20') and len(session_name)==10:
            session_name = get_auto_name()

        base_dir = self.g_pool.user_dir.rsplit(os.path.sep,1)[0]
        default_rec_dir = os.path.join(base_dir, 'recordings')

        if rec_dir and rec_dir != default_rec_dir and self.verify_path(rec_dir):
            self.rec_dir = rec_dir
        else:
            try:
                os.makedirs(default_rec_dir)
            except OSError as e:
                if 'File exists' in '%s'%e:
                    pass
                else:
                    logger.error("Could not create Rec dir")
                    raise e
            else:
                logger.info('Created standard Rec dir at "%s"'%default_rec_dir)
            self.rec_dir = default_rec_dir
        # if rec_dir and rec_dir != default_rec_dir and self.verify_path(rec_dir):
        #     self.rec_dir = rec_dir
        # else:
        #     #lets make a rec dir next to the user dir
        #     base_dir = self.g_pool.user_dir.rsplit(os.path.sep,1)[0]
        #     self.rec_dir = os.path.join(base_dir,'recordings')
        #     if not os.path.isdir(self.rec_dir):
        #         os.mkdir(self.rec_dir)

        self.raw_jpeg = raw_jpeg
        self.order = .9
        self.record_eye = record_eye
        self.session_name = session_name
        self.audio_devices_dict = Audio_Input_Dict()
        if audio_src in self.audio_devices_dict.keys():
            self.audio_src = audio_src
        else:
            self.audio_src = 'No Audio'
        self.running = False
        self.menu = None
        self.button = None

        self.user_info = user_info
        self.show_info_menu = show_info_menu
        self.info_menu = None
        self.info_menu_conf = info_menu_conf
        self.height, self.width = self.g_pool.capture.frame_size


    def get_init_dict(self):
        d = {}
        d['record_eye'] = self.record_eye
        d['audio_src'] = self.audio_src
        d['session_name'] = self.session_name
        d['user_info'] = self.user_info
        d['info_menu_conf'] = self.info_menu_conf
        d['show_info_menu'] = self.show_info_menu
        d['rec_dir'] = self.rec_dir
        d['raw_jpeg'] = self.raw_jpeg
        # if self.menu:
        #     d['menu_conf'] = self.menu.configuration
        # else:
        #     d['menu_conf'] = self.menu_conf
        return d


    def init_gui(self):
        self.menu = ui.Growing_Menu('Recorder')
        # self.menu.configuration = self.menu_conf
        self.g_pool.sidebar.insert(3,self.menu)
        self.menu.append(ui.Info_Text('Pupil recordings are saved like this: "path_to_recordings/recording_session_name/nnn" where "nnn" is an increasing number to avoid overwrites. You can use "/" in your session name to create subdirectories.'))
        self.menu.append(ui.Info_Text('Recordings are saved to "~/pupil_recordings". You can change the path here but note that invalid input will be ignored.'))
        self.menu.append(ui.Text_Input('rec_dir',self,setter=self.set_rec_dir,label='Path to recordings'))
        self.menu.append(ui.Text_Input('session_name',self,setter=self.set_session_name,label='Recording session name'))
        self.menu.append(ui.Switch('show_info_menu',self,on_val=True,off_val=False,label='Request additional user info'))
        self.menu.append(ui.Selector('raw_jpeg',self,selection = [True,False], labels=["bigger file, less CPU", "smaller file, more CPU"],label='compression'))
        self.menu.append(ui.Info_Text('Recording the raw eye video is optional. We use it for debugging.'))
        self.menu.append(ui.Switch('record_eye',self,on_val=True,off_val=False,label='Record eye'))
        self.menu.append(ui.Selector('audio_src',self, selection=self.audio_devices_dict.keys()))

        self.button = ui.Thumb('running',self,setter=self.toggle,label='QR',hotkey='r')
        self.button.on_color[:] = (1,.0,.0,.8)
        self.g_pool.quickbar.insert(1,self.button)


    def deinit_gui(self):
        if self.menu:
            # self.menu_conf = self.menu.configuration
            self.g_pool.sidebar.remove(self.menu)
            self.menu = None
        if self.button:
            self.g_pool.quickbar.remove(self.button)
            self.button = None

    def toggle(self, _=None):
        if self.running:
            self.stop()
        else:
            self.start()


    def get_rec_time_str(self):
        rec_time = gmtime(time()-self.start_time)
        return strftime("%H:%M:%S", rec_time)

    def start(self):
        self.timestamps = []
        # add self.data
        self.data = {'pupil_positions':[], 'gaze_positions': []}
        self.pupil_list = []
        self.gaze_list = []
        self.frame_count = 0
        self.running = True
        self.menu.read_only = True
        self.start_time = time()
        self.start_state = time()

        session = os.path.join(self.rec_dir, self.session_name)
        try:
            os.makedirs(session)
            logger.debug("Created new recordings session dir %s"%session)

        except:
            logger.debug("Recordings session dir %s already exists, using it." %session)

        # set up self incrementing folder within session folder
        counter = 0
        while True:
            self.rec_path = os.path.join(session, "%03d/" % counter)
            try:
                os.mkdir(self.rec_path)
                logger.debug("Created new recording dir %s"%self.rec_path)
                break
            except:
                logger.debug("We dont want to overwrite data, incrementing counter & trying to make new data folder")
                counter += 1

        self.meta_info_path = os.path.join(self.rec_path, "info.csv")

        with open(self.meta_info_path, 'w') as f:
            f.write("Recording Name\t"+self.session_name+ "\n")
            f.write("Start Date\t"+ strftime("%d.%m.%Y", localtime(self.start_time))+ "\n")
            f.write("Start Time\t"+ strftime("%H:%M:%S", localtime(self.start_time))+ "\n")


        if self.audio_src != 'No Audio':
            audio_path = os.path.join(self.rec_path, "world.wav")
            self.audio_writer = Audio_Capture(self.audio_devices_dict[self.audio_src],audio_path)
        else:
            self.audio_writer = None

        if self.raw_jpeg  and "uvc_capture" in str(self.g_pool.capture.__class__):
            self.video_path = os.path.join(self.rec_path, "world.mp4")
            self.writer = JPEG_Writer(self.video_path,int(self.g_pool.capture.frame_rate))
        # elif 1:
        #     self.writer = av_writer.AV_Writer(self.video_path)
        else:
            self.video_path = os.path.join(self.rec_path, "world.mkv")
            self.writer = CV_Writer(self.video_path, float(self.g_pool.capture.frame_rate), self.g_pool.capture.frame_size)
        # positions path to eye process
        if self.record_eye:
            for tx in self.g_pool.eye_tx:
                tx.send((self.rec_path,self.raw_jpeg))

        if self.show_info_menu:
            self.open_info_menu()
        # self.video_path = os.path.join(self.rec_path, "world.mkv")
        # self.writer = cv2.VideoWriter(self.video_path, int(cv2.cv.CV_FOURCC(*'DIVX')), float(self.g_pool.capture.frame_rate), (1280,720))
        # # positions path to eye process
        # if self.record_eye:
        #     for tx in self.g_pool.eye_tx:
        #         tx.send(self.rec_path)

        # if self.show_info_menu:
        #     self.open_info_menu()
###############
    def open_info_menu(self):
        self.info_menu = ui.Growing_Menu('additional Recording Info',size=(300,300),pos=(300,300))
        self.info_menu.configuration = self.info_menu_conf

        def populate_info_menu():
            self.info_menu.elements[:-2] = []
            for name in self.user_info.iterkeys():
                self.info_menu.insert(0,ui.Text_Input(name,self.user_info))

        def set_user_info(new_string):
            self.user_info = new_string
            populate_info_menu()

        populate_info_menu()
        self.info_menu.append(ui.Info_Text('Use the *user info* field to add/remove additional fields and their values. The format must be a valid Python dictionary. For example -- {"key":"value"}. You can add as many fields as you require. Your custom fields will be saved for your next session.'))
        self.info_menu.append(ui.Text_Input('user_info',self,setter=set_user_info,label="User info"))
        self.g_pool.gui.append(self.info_menu)

    def close_info_menu(self):
        if self.info_menu:
            self.info_menu_conf = self.info_menu.configuration
            self.g_pool.gui.remove(self.info_menu)
            self.info_menu = None

    def update(self,frame,events):
        if self.running:
            # update data
            self.data['pupil_positions'] += events['pupil_positions']
            self.data['gaze_positions'] += events['gaze_positions']

            #cv2.putText(frame.img, "Frame %s"%self.frame_count,(200,200), cv2.FONT_HERSHEY_SIMPLEX,1,(255,100,100)
            cv2.putText(frame.img, self.this_state,(200,100), cv2.FONT_HERSHEY_SIMPLEX,1,(255,100,100))
            if self.this_state == 'pick':
                cv2.putText(frame.img, self.choice,(300,100), cv2.FONT_HERSHEY_SIMPLEX,1,(100,100,255))
            QRs = qr_detect(frame)              
            for p in events['pupil_positions']:
                pupil_pos = p['timestamp'],p['confidence'],p['id'],p['norm_pos'][0],p['norm_pos'][1],p['diameter']

                self.pupil_list.append(pupil_pos)

            c = 0
            avg_x = -1
            avg_y = -1
            for g in events.get('gaze_positions',[]):
                gaze_pos = g['timestamp'],g['confidence'],g['norm_pos'][0],g['norm_pos'][1]
                avg_x = (avg_x * c + g['norm_pos'][0]) / (c+1)
                avg_y = (avg_y * c + g['norm_pos'][0]) / (c+1)
                c = c + 1
                self.gaze_list.append(gaze_pos)
                
            self.timestamps.append(frame.timestamp)

            avg_col = 0    

            self.stateT(frame, QRs, avg_x, avg_y, avg_col) 

            self.writer.write_video_frame(frame)
            self.frame_count += 1

            self.button.status_text = self.get_rec_time_str()

    def stop(self):
        #explicit release of VideoWriter
        self.writer.release()
        self.writer = None

        if self.record_eye:
            for tx in self.g_pool.eye_tx:
                try:
                    tx.send(None)
                except:
                    logger.warning("Could not stop eye-recording. Please report this bug!")

        save_object(self.data, os.path.join(self.rec_path, "pupil_data"))
        
        gaze_list_path = os.path.join(self.rec_path, "gaze_positions.npy")
        np.save(gaze_list_path,np.asarray(self.gaze_list))

        pupil_list_path = os.path.join(self.rec_path, "pupil_positions.npy")
        np.save(pupil_list_path,np.asarray(self.pupil_list))

        timestamps_path = os.path.join(self.rec_path, "world_timestamps.npy")
        ts = sanitize_timestamps(np.array(self.timestamps))
        np.save(timestamps_path,ts)

        try:
            copy2(os.path.join(self.g_pool.user_dir,"surface_definitions"),os.path.join(self.rec_path,"surface_definitions"))
        except:
            logger.info("No surface_definitions data found. You may want this if you do marker tracking.")

        try:
            copy2(os.path.join(self.g_pool.user_dir,"cal_pt_cloud.npy"),os.path.join(self.rec_path,"cal_pt_cloud.npy"))
        except:
            logger.warning("No calibration data found. Please calibrate first.")

        try:
            copy2(os.path.join(self.g_pool.user_dir,"camera_matrix.npy"),os.path.join(self.rec_path,"camera_matrix.npy"))
            copy2(os.path.join(self.g_pool.user_dir,"dist_coefs.npy"),os.path.join(self.rec_path,"dist_coefs.npy"))
        except:
            logger.info("No camera intrinsics found.")

        try:
            with open(self.meta_info_path, 'a') as f:
                f.write("Duration Time\t"+ self.get_rec_time_str()+ "\n")
                if self.g_pool.binocular:
                    f.write("Eye Mode\tbinocular\n")
                else:
                    f.write("Eye Mode\tmonocular\n")
                f.write("Duration Time\t"+ self.get_rec_time_str()+ "\n")
                f.write("World Camera Frames\t"+ str(self.frame_count)+ "\n")
                f.write("World Camera Resolution\t"+ str(self.width)+"x"+str(self.height)+"\n")
                f.write("Capture Software Version\t%s\n"%self.g_pool.version)
                if platform.system() == "Windows":
                    username = os.environ["USERNAME"]
                    sysname, nodename, release, version, machine, _ = platform.uname()
                else:
                    username = os.getlogin()
                    try:
                        sysname, nodename, release, version, machine = os.uname()
                    except:
                        sysname, nodename, release, version, machine = sys.platform,None,None,None,None
                f.write("User\t"+username+"\n")
                f.write("Platform\t"+sysname+"\n")
                f.write("Machine\t"+nodename+"\n")
                f.write("Release\t"+release+"\n")
                f.write("Version\t"+version+"\n")
        except Exception:
            logger.exception("Could not save metadata. Please report this bug!")

        try:
            with open(os.path.join(self.rec_path, "user_info.csv"), 'w') as f:
                for name,val in self.user_info.iteritems():
                    f.write("%s\t%s\n"%(name,val))
        except Exception:
            logger.exception("Could not save userdata. Please report this bug!")


        self.close_info_menu()

        if self.audio_writer:
            self.audio_writer = None

        self.running = False
        self.menu.read_only = False
        self.button.status_text = ''



    def cleanup(self):
        """gets called when the plugin get terminated.
           either volunatily or forced.
        """
        if self.running:
            self.stop()
        self.deinit_gui()

    def verify_path(self, val):
        try:
            n_path = os.path.expanduser(val)
            logger.debug("Expanded user path.")
        except:
            n_path = val
        if not n_path:
            logger.waring("Please specify a path.")
            return False
        elif not os.path.isdir(n_path):
            logger.warning("This is not a valid path.")
            return False
        elif not writable_dir(n_path):
            logger.warning("Do not have write access to '%s'." %n_path)
            return False
        else:
            return n_path


    def set_rec_dir(self,val):
        # try:
        #     n_path = os.path.expanduser(val)
        #     logger.debug("Expanded user path.")
        # except:
        #     n_path = val
        # if not n_path:
        #     logger.warning("Please specify a path.")
        # elif not os.path.isdir(n_path):
        #     logger.warning("This is not a valid path.")
        # # elif not os.access(n_path, os.W_OK):
        # elif not writable_dir(n_path):
        #     logger.warning("Do not have write access to '%s'."%n_path)
        # else:
        #     self.rec_dir = n_path
        n_path = self.verify_path(val)
        if n_path:
            self.rec_dir = n_path

    def set_session_name(self, val):
        if not val:
            self.session_name = get_auto_name()
        else:
            if '/' in val:
                logger.warning('You session name with create one or more subdirectories')
            self.session_name = val

    def stateT(self, frame, QRs, agaze_x, agaze_y, avg_col):
        if time() - self.start_time < 1:
            self.gaze_x = agaze_x
            self.gaze_y = agaze_y
        
        if self.this_state == 'start':
            if time() - self.start_state < 2:
                self.qr_codes = {}
                return True
            if self.Nochange_gaze(agaze_x, agaze_y, avg_col):
                    self.this_state = 'want'
            
            self.start_state = time()        
            self.gaze_x = agaze_x
            self.gaze_y = agaze_y
            return True
        
        if self.this_state == 'want':
            if time() - self.start_state < 2:
                self.qr_codes.update(QRs)
                return True    
            if self.Nochange_gaze(agaze_x, agaze_y, avg_col) and self.qr_codes:
                self.this_state = 'pick'
                self.choice = self.choose(frame)
                #print self.qr_codes, self.choice
            else: 
                
                self.this_state = 'start'        
            self.start_state = time()
            self.gaze_x = agaze_x
            self.gaze_y = agaze_y
            return True
        if self.this_state == 'pick':
            if time() - self.start_state < 4:
                return True
            if self.Nochange_gaze(agaze_x, agaze_y, avg_col):
                    del self.qr_codes[self.choice]
                    if not self.qr_codes:
                        self.this_state = 'start'
                    else:
                        self.choice = self.choose(frame)
                        #print self.choice
            else:
                print self.choice, " chosen"
                
                self.this_state = 'start'    
            self.start_state = time()
            self.gaze_x = agaze_x
            self.gaze_y = agaze_y
        
        return True

    def Nochange_gaze(self, agaze_x, agaze_y, avg_col):
        #print self.gaze_x, self.gaze_y, agaze_x, agaze_y
        return (abs(self.gaze_x - agaze_x) < .1 and abs(self.gaze_y - agaze_y) < .1)

    def choose(self, frame):
        h = frame.img.shape[0]
        w = frame.img.shape[1]
        gaze_x = self.gaze_x
        gaze_y = self.gaze_y
        if (gaze_x < 0 or gaze_y < 0):
            gaze_x = .5
            gaz_y = .5
        k = self.qr_codes.keys()
        chosen = k[0]
        min_dist = 1000000
        for name, mc in self.qr_codes.items():
            dis = (mc[0] - gaze_x * w) * (mc[0] - gaze_x * w) + (mc[1] - gaze_y * h) * (mc[1] - gaze_y * h)
            if dis < min_dist:
                min_dist = dis
                chosen = name
        return chosen