Python Clock.reset方法代码示例

# 需要导入模块: from psychopy.clock import Clock [as 别名]
# 或者: from psychopy.clock.Clock import reset [as 别名]
class MovieStim3(BaseVisualStim, ContainerMixin):
    """A stimulus class for playing movies (mpeg, avi, etc...) in PsychoPy
    that does not require avbin. Instead it requires the cv2 python package
    for OpenCV. The VLC media player also needs to be installed on the
    psychopy computer.

    **Example**::

        See Movie2Stim.py for demo.
    """
    def __init__(self, win,
                 filename="",
                 units='pix',
                 size=None,
                 pos=(0.0,0.0),
                 ori=0.0,
                 flipVert=False,
                 flipHoriz=False,
                 color=(1.0,1.0,1.0),
                 colorSpace='rgb',
                 opacity=1.0,
                 volume=1.0,
                 name='',
                 loop=False,
                 autoLog=True,
                 depth=0.0,
                 noAudio=False,
                 vframe_callback=None,
                 fps=None,
                 interpolate = True,
        ):
        """
        :Parameters:

            filename :
                a string giving the relative or absolute path to the movie.
            flipVert : True or *False*
                If True then the movie will be top-bottom flipped
            flipHoriz : True or *False*
                If True then the movie will be right-left flipped
            volume :
                The nominal level is 100, and 0 is silence.
            loop : bool, optional
                Whether to start the movie over from the beginning if draw is
                called and the movie is done.

        """
        # what local vars are defined (these are the init params) for use
        # by __repr__
        self._initParams = dir()
        self._initParams.remove('self')
        super(MovieStim3, self).__init__(win, units=units, name=name,
                                         autoLog=False)

        retraceRate = win._monitorFrameRate
        if retraceRate is None:
            retraceRate = win.getActualFrameRate()
        if retraceRate is None:
            logging.warning("FrameRate could not be supplied by psychopy; defaulting to 60.0")
            retraceRate = 60.0
        self._retraceInterval = 1.0/retraceRate
        self.filename = filename
        self.loop = loop
        self.flipVert = flipVert
        self.flipHoriz = flipHoriz
        self.pos = numpy.asarray(pos, float)
        self.depth = depth
        self.opacity = float(opacity)
        self.interpolate = interpolate
        self.noAudio = noAudio
        self._audioStream = None
        self.useTexSubImage2D = True

        self._videoClock = Clock()
        self.loadMovie(self.filename)
        self.setVolume(volume)
        self.nDroppedFrames = 0

        #size
        if size is None:
            self.size = numpy.array([self._mov.w, self._mov.h],
                                   float)
        else:
            self.size = val2array(size)
        self.ori = ori
        self._updateVertices()
        #set autoLog (now that params have been initialised)
        self.autoLog = autoLog
        if autoLog:
            logging.exp("Created %s = %s" %(self.name, str(self)))

    def reset(self):
        self._numpyFrame = None
        self._nextFrameT = None
        self._texID = None
        self.status = NOT_STARTED

    def setMovie(self, filename, log=True):
        """See `~MovieStim.loadMovie` (the functions are identical).
        This form is provided for syntactic consistency with other visual stimuli.
#.........这里部分代码省略.........

# 需要导入模块: from psychopy.clock import Clock [as 别名]
# 或者: from psychopy.clock.Clock import reset [as 别名]
class MovieStim2(BaseVisualStim, ContainerMixin):
    """A stimulus class for playing movies (mpeg, avi, etc...) in PsychoPy
    that does not require avbin. Instead it requires the cv2 python package
    for OpenCV. The VLC media player also needs to be installed on the
    psychopy computer.

    **Example**::

        See Movie2Stim.py for demo.
    """
    def __init__(self, win,
                 filename="",
                 units='pix',
                 size=None,
                 pos=(0.0,0.0),
                 ori=0.0,
                 flipVert=False,
                 flipHoriz=False,
                 color=(1.0,1.0,1.0),
                 colorSpace='rgb',
                 opacity=1.0,
                 volume=1.0,
                 name='',
                 loop=False,
                 autoLog=True,
                 depth=0.0,
                 noAudio=False,
                 vframe_callback=None,
                 fps=None
        ):
        """
        :Parameters:

            filename :
                a string giving the relative or absolute path to the movie.
            flipVert : True or *False*
                If True then the movie will be top-bottom flipped
            flipHoriz : True or *False*
                If True then the movie will be right-left flipped
            volume :
                The nominal level is 100, and 0 is silence.
            loop : bool, optional
                Whether to start the movie over from the beginning if draw is
                called and the movie is done.

        """
        # what local vars are defined (these are the init params) for use
        # by __repr__
        self._initParams = dir()
        self._initParams.remove('self')
        super(MovieStim2, self).__init__(win, units=units, name=name,
                                         autoLog=False)
        #check for pyglet
        if win.winType != 'pyglet':
            logging.error('Movie stimuli can only be used with a pyglet window')
            core.quit()
        self._retracerate = win._monitorFrameRate
        if self._retracerate is None:
            self._retracerate = win.getActualFrameRate()
        if self._retracerate is None:
            logging.warning("FrameRate could not be supplied by psychopy; defaulting to 60.0")
            self._retracerate = 60.0
        self.filename = filename
        self.loop = loop
        self.flipVert = flipVert
        self.flipHoriz = flipHoriz
        self.pos = numpy.asarray(pos, float)
        self.depth = depth
        self.opacity = float(opacity)
        self.volume = volume
        self._av_stream_time_offset = 0.145
        self._no_audio = noAudio
        self._requested_fps = fps
        self._vframe_callback = vframe_callback
        self._reset()
        self.loadMovie(self.filename)
        self.setVolume(volume)
        self.nDroppedFrames = 0

        self.aspectRatio = self._video_width/float(self._video_height)
        #size
        if size is None:
            self.size = numpy.array([self._video_width, self._video_height],
                                   float)
        elif isinstance(size, (int, float, long)):
            # treat size as desired width, and calc a height
            # that maintains the aspect ratio of the video.
            self.size = numpy.array([size, size/self.aspectRatio], float)
        else:
            self.size = val2array(size)
        self.ori = ori
        self._updateVertices()
        #set autoLog (now that params have been initialised)
        self.autoLog = autoLog
        if autoLog:
            logging.exp("Created %s = %s" %(self.name, str(self)))

    def _reset(self):
        self.duration = None
        self.status = NOT_STARTED
#.........这里部分代码省略.........

# 需要导入模块: from psychopy.clock import Clock [as 别名]
# 或者: from psychopy.clock.Clock import reset [as 别名]
class MovieStim2(BaseVisualStim, ContainerMixin):
    """A stimulus class for playing movies (mpeg, avi, etc...) in PsychoPy
    that does not require avbin. Instead it requires the cv2 python package
    for OpenCV. The VLC media player also needs to be installed on the
    psychopy computer.

    **Example**::

        See Movie2Stim.py for demo.
    """

    def __init__(
        self,
        win,
        filename="",
        units="pix",
        size=None,
        pos=(0.0, 0.0),
        ori=0.0,
        flipVert=False,
        flipHoriz=False,
        color=(1.0, 1.0, 1.0),
        colorSpace="rgb",
        opacity=1.0,
        volume=1.0,
        name="",
        loop=False,
        autoLog=True,
        depth=0.0,
        noAudio=False,
        vframe_callback=None,
        fps=None,
        interpolate=True,
    ):
        """
        :Parameters:

            filename :
                a string giving the relative or absolute path to the movie.
            flipVert : True or *False*
                If True then the movie will be top-bottom flipped
            flipHoriz : True or *False*
                If True then the movie will be right-left flipped
            volume :
                The nominal level is 100, and 0 is silence.
            loop : bool, optional
                Whether to start the movie over from the beginning if draw is
                called and the movie is done.

        """
        # what local vars are defined (these are the init params) for use
        # by __repr__
        self._initParams = dir()
        self._initParams.remove("self")
        super(MovieStim2, self).__init__(win, units=units, name=name, autoLog=False)
        # check for pyglet
        if win.winType != "pyglet":
            logging.error("Movie stimuli can only be used with a pyglet window")
            core.quit()
        self._retracerate = win._monitorFrameRate
        if self._retracerate is None:
            self._retracerate = win.getActualFrameRate()
        if self._retracerate is None:
            logging.warning("FrameRate could not be supplied by psychopy; defaulting to 60.0")
            self._retracerate = 60.0
        self.filename = filename
        self.loop = loop
        self.flipVert = flipVert
        self.flipHoriz = flipHoriz
        self.pos = numpy.asarray(pos, float)
        self.depth = depth
        self.opacity = float(opacity)
        self.volume = volume
        self._av_stream_time_offset = 0.145
        self._no_audio = noAudio
        self._vframe_callback = vframe_callback
        self.interpolate = interpolate

        self.useTexSubImage2D = True

        self._texID = None
        self._video_stream = cv2.VideoCapture()

        self._reset()
        self.loadMovie(self.filename)
        self.setVolume(volume)
        self.nDroppedFrames = 0

        self.aspectRatio = self._video_width / float(self._video_height)
        # size
        if size is None:
            self.size = numpy.array([self._video_width, self._video_height], float)
        elif isinstance(size, (int, float, long)):
            # treat size as desired width, and calc a height
            # that maintains the aspect ratio of the video.
            self.size = numpy.array([size, size / self.aspectRatio], float)
        else:
            self.size = val2array(size)
        self.ori = ori
        self._updateVertices()
#.........这里部分代码省略.........

# 需要导入模块: from psychopy.clock import Clock [as 别名]
# 或者: from psychopy.clock.Clock import reset [as 别名]
class MovieStim2(BaseVisualStim, ContainerMixin):
    """A stimulus class for playing movies (mpeg, avi, etc...) in PsychoPy
    that does not require avbin. Instead it requires the cv2 python package
    for OpenCV. The VLC media player also needs to be installed on the
    psychopy computer.

    **Example**::

        See Movie2Stim.py for demo.
    """
    def __init__(self, win,
                 filename="",
                 units='pix',
                 size=None,
                 pos=(0.0,0.0),
                 ori=0.0,
                 flipVert=False,
                 flipHoriz=False,
                 color=(1.0,1.0,1.0),
                 colorSpace='rgb',
                 opacity=1.0,
                 volume=1.0,
                 name='',
                 loop=False,
                 autoLog=True,
                 depth=0.0,):
        """
        :Parameters:

            filename :
                a string giving the relative or absolute path to the movie.
            flipVert : True or *False*
                If True then the movie will be top-bottom flipped
            flipHoriz : True or *False*
                If True then the movie will be right-left flipped
            volume :
                The nominal level is 100, and 0 is silence.
            loop : bool, optional
                Whether to start the movie over from the beginning if draw is
                called and the movie is done.

        """
        # what local vars are defined (these are the init params) for use
        # by __repr__
        self._initParams = dir()
        self._initParams.remove('self')
        super(MovieStim2, self).__init__(win, units=units, name=name,
                                         autoLog=False)
        #check for pyglet
        if win.winType != 'pyglet':
            logging.error('Movie stimuli can only be used with a pyglet window')
            core.quit()
        self._retracerate = win._monitorFrameRate
        if self._retracerate is None:
            self._retracerate = win.getActualFrameRate()
        self.filename = filename
        self.loop = loop
        if loop: #and pyglet.version>='1.2':
            logging.error("looping of movies is not currently supported")
        self.flipVert = flipVert
        self.flipHoriz = flipHoriz
        self.pos = numpy.asarray(pos, float)
        self.depth = depth
        self.opacity = float(opacity)
        self.volume = volume
        self._av_stream_time_offset = 0.145

        self._reset()
        self.loadMovie(self.filename)
        self.setVolume(volume)

        self.aspectRatio = self._video_width/float(self._video_height)
        #size
        if size is None:
            self.size = numpy.array([self._video_width, self._video_height],
                                   float)
        elif isinstance(size, (int, float, long)):
            # treat size as desired width, and calc a height
            # that maintains the aspect ratio of the video.
            self.size = numpy.array([size, size/self.aspectRatio], float)
        else:
            self.size = val2array(size)
        self.ori = ori
        self._updateVertices()
        #set autoLog (now that params have been initialised)
        self.autoLog = autoLog
        if autoLog:
            logging.exp("Created %s = %s" %(self.name, str(self)))

    def _reset(self):
        self.duration = None
        self.status = NOT_STARTED
        self._numpy_frame = None
        self._frame_texture = None
        self._frame_data_interface = None
        self._video_stream = None
        self._total_frame_count = None
        self._video_width = None
        self._video_height = None
        # TODO: Read depth from video source
#.........这里部分代码省略.........