Python Video.play方法代碼示例

# 需要導入模塊: from kivy.core.video import Video [as 別名]
# 或者: from kivy.core.video.Video import play [as 別名]
class Video(Image):
    '''Video class. See module documentation for more information.
    '''

    play = BooleanProperty(False)
    '''Boolean, indicates if the video is playing.
    You can start/stop the video by setting this property. ::

        # start playing the video at creation
        video = Video(source='movie.mkv', play=True)

        # create the video, and start later
        video = Video(source='movie.mkv')
        # and later
        video.play = True

    :data:`play` is a :class:`~kivy.properties.BooleanProperty`, default to
    False.
    '''

    eos = BooleanProperty(False)
    '''Boolean, indicates if the video is done playing (reached end of stream).

    :data:`eos` is a :class:`~kivy.properties.BooleanProperty`, default to
    False.
    '''

    position = NumericProperty(-1)
    '''Position of the video between 0 and :data:`duration`. The position is
    default to -1, and set to real position when the video is loaded.

    :data:`position` is a :class:`~kivy.properties.NumericProperty`, default to
    -1.
    '''

    duration = NumericProperty(-1)
    '''Duration of the video. The duration is default to -1, and set to real
    duration when the video is loaded.

    :data:`duration` is a :class:`~kivy.properties.NumericProperty`, default to
    -1.
    '''

    volume = NumericProperty(1.)
    '''Volume of the video, in the range 0-1. 1 mean full volume, 0 mean mute.

    :data:`volume` is a :class:`~kivy.properties.NumericProperty`, default to
    1.
    '''

    options = ObjectProperty({})
    '''Options to pass at Video core object creation.

    .. versionadded:: 1.0.4

    :data:`options` is a :class:`kivy.properties.ObjectProperty`, default to {}.
    '''

    def __init__(self, **kwargs):
        self._video = None
        super(Video, self).__init__(**kwargs)

    def texture_update(self, *largs):
        '''This method is a no-op in Video widget.
        '''
        pass

    def seek(self, percent):
        '''Change the position to a percentage of duration. Percentage must be a
        value between 0-1.

        .. warning::

            Calling seek() before video is loaded have no impact.

        .. versionadded:: 1.1.2
        '''
        if self._video is None:
           raise Exception('Video not loaded.')
        print 'seek to', percent
        self._video.seek(percent)

    def on_source(self, instance, value):
        self._trigger_video_load()

    def _trigger_video_load(self, *largs):
        Clock.unschedule(self._do_video_load)
        Clock.schedule_once(self._do_video_load, -1)

    def _do_video_load(self, *largs):
        if self._video:
            self._video.stop()
        if not self.source:
            self._video = None
            self.texture = None
        else:
            filename = self.source
            # FIXME make it extensible.
            if filename.split(':')[0] not in (
                    'http', 'https', 'file', 'udp', 'rtp', 'rtsp'):
#.........這裏部分代碼省略.........

# 需要導入模塊: from kivy.core.video import Video [as 別名]
# 或者: from kivy.core.video.Video import play [as 別名]
class Video(Image):
    '''Video class. See module documentation for more information.
    '''

    state = OptionProperty('stop', options=('play', 'pause', 'stop'))
    '''String, indicates whether to play, pause, or stop the video::

        # start playing the video at creation
        video = Video(source='movie.mkv', state='play')

        # create the video, and start later
        video = Video(source='movie.mkv')
        # and later
        video.state = 'play'

    :attr:`state` is an :class:`~kivy.properties.OptionProperty` and defaults
    to 'stop'.
    '''

    play = BooleanProperty(False)
    '''
    .. deprecated:: 1.4.0
        Use :attr:`state` instead.

    Boolean, indicates whether the video is playing or not.
    You can start/stop the video by setting this property::

        # start playing the video at creation
        video = Video(source='movie.mkv', play=True)

        # create the video, and start later
        video = Video(source='movie.mkv')
        # and later
        video.play = True

    :attr:`play` is a :class:`~kivy.properties.BooleanProperty` and defaults to
    False.

    .. deprecated:: 1.4.0
        Use :attr:`state` instead.
    '''

    eos = BooleanProperty(False)
    '''Boolean, indicates whether the video has finished playing or not
    (reached the end of the stream).

    :attr:`eos` is a :class:`~kivy.properties.BooleanProperty` and defaults to
    False.
    '''

    loaded = BooleanProperty(False)
    '''Boolean, indicates whether the video is loaded and ready for playback
    or not.

    .. versionadded:: 1.6.0

    :attr:`loaded` is a :class:`~kivy.properties.BooleanProperty` and defaults
    to False.
    '''

    position = NumericProperty(-1)
    '''Position of the video between 0 and :attr:`duration`. The position
    defaults to -1 and is set to a real position when the video is loaded.

    :attr:`position` is a :class:`~kivy.properties.NumericProperty` and
    defaults to -1.
    '''

    duration = NumericProperty(-1)
    '''Duration of the video. The duration defaults to -1, and is set to a real
    duration when the video is loaded.

    :attr:`duration` is a :class:`~kivy.properties.NumericProperty` and
    defaults to -1.
    '''

    volume = NumericProperty(1.)
    '''Volume of the video, in the range 0-1. 1 means full volume, 0
    means mute.

    :attr:`volume` is a :class:`~kivy.properties.NumericProperty` and defaults
    to 1.
    '''

    options = ObjectProperty({})
    '''Options to pass at Video core object creation.

    .. versionadded:: 1.0.4

    :attr:`options` is an :class:`kivy.properties.ObjectProperty` and defaults
    to {}.
    '''

    _video_load_event = None

    def __init__(self, **kwargs):
        self._video = None
        super(Video, self).__init__(**kwargs)
        self.fbind('source', self._trigger_video_load)

#.........這裏部分代碼省略.........

# 需要導入模塊: from kivy.core.video import Video [as 別名]
# 或者: from kivy.core.video.Video import play [as 別名]
class Video(Image):
    '''Video class. See module documentation for more information.
    '''

    state = OptionProperty('stop', options=('play', 'pause', 'stop'))
    '''String, indicates whether to play, pause, or stop the video::

        # start playing the video at creation
        video = Video(source='movie.mkv', state='play')

        # create the video, and start later
        video = Video(source='movie.mkv')
        # and later
        video.state = 'play'

    :data:`state` is a :class:`~kivy.properties.OptionProperty`, default to
    'play'.
    '''

    play = BooleanProperty(False)
    '''
    .. deprecated:: 1.4.0
        Use :data:`state` instead.

    Boolean, indicates if the video is playing.
    You can start/stop the video by setting this property::

        # start playing the video at creation
        video = Video(source='movie.mkv', play=True)

        # create the video, and start later
        video = Video(source='movie.mkv')
        # and later
        video.play = True

    :data:`play` is a :class:`~kivy.properties.BooleanProperty`, default to
    False.

    .. deprecated:: 1.4.0
        Use :data:`state` instead.
    '''

    eos = BooleanProperty(False)
    '''Boolean, indicates if the video is done playing (reached end of stream).

    :data:`eos` is a :class:`~kivy.properties.BooleanProperty`, default to
    False.
    '''

    loaded = BooleanProperty(False)
    '''Boolean, indicates if the video is loaded and ready for playback.

    .. versionadded:: 1.6.0

    :data:`loaded` is a :class:`~kivy.properties.BooleanProperty`, default to
    False.
    '''

    position = NumericProperty(-1)
    '''Position of the video between 0 and :data:`duration`. The position
    defaults to -1, and is set to a real position when the video is loaded.

    :data:`position` is a :class:`~kivy.properties.NumericProperty`, default to
    -1.
    '''

    duration = NumericProperty(-1)
    '''Duration of the video. The duration defaults to -1, and is set to a real
    duration when the video is loaded.

    :data:`duration` is a :class:`~kivy.properties.NumericProperty`, default to
    -1.
    '''

    volume = NumericProperty(1.)
    '''Volume of the video, in the range 0-1. 1 means full volume, 0 means mute.

    :data:`volume` is a :class:`~kivy.properties.NumericProperty`, default to
    1.
    '''

    options = ObjectProperty({})
    '''Options to pass at Video core object creation.

    .. versionadded:: 1.0.4

    :data:`options` is a :class:`kivy.properties.ObjectProperty`, default to {}.
    '''

    def __init__(self, **kwargs):
        self._video = None
        super(Image, self).__init__(**kwargs)
        self.bind(source=self._trigger_video_load)

        if self.source:
            self._trigger_video_load()

    def seek(self, percent):
        '''Change the position to a percentage of duration. Percentage must be a
        value between 0-1.
#.........這裏部分代碼省略.........

# 需要導入模塊: from kivy.core.video import Video [as 別名]
# 或者: from kivy.core.video.Video import play [as 別名]
class Video(Image):
    '''Video class. See module documentation for more informations.
    '''

    play = BooleanProperty(False)
    '''Boolean indicate if the video is playing.
    You can start/stop the video by setting this property. ::

        # start the video playing at creation
        video = Video(source='movie.mkv', play=True)

        # create the video, and start later
        video = Video(source='movie.mkv')
        # and later
        video.play = True

    :data:`play` is a :class:`~kivy.properties.BooleanProperty`, default to
    False.
    '''

    eos = BooleanProperty(False)
    '''Boolean indicate if the video is done playing through the end.

    :data:`eos` is a :class:`~kivy.properties.BooleanProperty`, default to
    False.
    '''

    position = NumericProperty(-1)
    '''Position of the video between 0 and :data:`duration`. The position is
    default to -1, and set to real position when the video is loaded.

    :data:`position` is a :class:`~kivy.properties.NumericProperty`, default to
    -1.
    '''

    duration = NumericProperty(-1)
    '''Duration of the video. The duration is default to -1, and set to real
    duration when the video is loaded.

    :data:`duration` is a :class:`~kivy.properties.NumericProperty`, default to
    -1.
    '''

    volume = NumericProperty(1.)
    '''Volume of the video, in the range 0-1. 1 mean full volume, 0 mean mute.

    :data:`volume` is a :class:`~kivy.properties.NumericProperty`, default to
    1.
    '''

    options = ObjectProperty({})
    '''Options to pass at Video core object creation.

    .. versionadded:: 1.0.4

    :data:`options` is a :class:`kivy.properties.ObjectProperty`, default to {}.
    '''

    def __init__(self, **kwargs):
        self._video = None
        super(Video, self).__init__(**kwargs)

    def texture_update(self, *largs):
        pass

    def on_source(self, instance, value):
        self._trigger_video_load()

    def _trigger_video_load(self, *largs):
        Clock.unschedule(self._do_video_load)
        Clock.schedule_once(self._do_video_load, -1)

    def _do_video_load(self, *largs):
        if self._video:
            self._video.stop()
        if not self.source:
            self._video = None
            self.texture = None
        else:
            filename = resource_find(self.source)
            self._video = CoreVideo(filename=filename, **self.options)
            self._video.bind(
                on_load=self._on_video_frame,
                on_frame=self._on_video_frame,
                on_eos=self._on_eos)
            if self.play:
                self._video.play()
            self.duration = 1.
            self.position = 0.

    def on_play(self, instance, value):
        if not self._video:
            return
        if value:
            if self.eos:
                self._video.stop()
                self._video.position = 0.
                self._video.eos = False
            self._video.play()
        else:
#.........這裏部分代碼省略.........

# 需要導入模塊: from kivy.core.video import Video [as 別名]
# 或者: from kivy.core.video.Video import play [as 別名]
class Video(Image):
    '''Video class. See module documentation for more informations.
    '''

    play = BooleanProperty(False)
    '''Boolean indicate if the video is playing.
    You can start/stop the video by setting this property. ::

        # start the video playing at creation
        video = Video(source='movie.mkv', play=True)

        # create the video, and start later
        video = Video(source='movie.mkv')
        # and later
        video.play = True

    :data:`play` is a :class:`~kivy.properties.BooleanProperty`, default to
    False.
    '''

    position = NumericProperty(-1)
    '''Position of the video between 0 and :data:`duration`. The position is
    default to -1, and set to real position when the video is loaded.

    :data:`position` is a :class:`~kivy.properties.NumericProperty`, default to
    -1.
    '''

    duration = NumericProperty(-1)
    '''Duration of the video. The duration is default to -1, and set to real
    duration when the video is loaded.

    :data:`duration` is a :class:`~kivy.properties.NumericProperty`, default to
    -1.
    '''

    volume = NumericProperty(1.)
    '''Volume of the video, in the range 0-1. 1 mean full volume, 0 mean mute.

    :data:`volume` is a :class:`~kivy.properties.NumericProperty`, default to
    1.
    '''

    def __init__(self, **kwargs):
        self._video = None
        super(Video, self).__init__(**kwargs)

    def on_source(self, instance, value):
        if not value:
            self._video = None
            self.texture = None
        else:
            filename = resource_find(value)
            self._video = CoreVideo(filename=filename)
            self._video.bind(on_load=self._on_video_frame,
                             on_frame=self._on_video_frame)
            if self.play:
                self._video.play()
            self.duration = 1.
            self.position = 0.

    def on_play(self, instance, value):
        if not self._video:
            return
        if value:
            self._video.play()
        else:
            self._video.stop()

    def _on_video_frame(self, *largs):
        self.duration = self._video.duration
        self.position = self._video.position
        self.texture = self._video.texture

# 需要導入模塊: from kivy.core.video import Video [as 別名]
# 或者: from kivy.core.video.Video import play [as 別名]
class Video(Image):
    """Video class. See module documentation for more information.
    """

    play = BooleanProperty(False)
    """Boolean, indicates if the video is playing.
    You can start/stop the video by setting this property. ::

        # start playing the video at creation
        video = Video(source='movie.mkv', play=True)

        # create the video, and start later
        video = Video(source='movie.mkv')
        # and later
        video.play = True

    :data:`play` is a :class:`~kivy.properties.BooleanProperty`, default to
    False.
    """

    eos = BooleanProperty(False)
    """Boolean, indicates if the video is done playing (reached end of stream).

    :data:`eos` is a :class:`~kivy.properties.BooleanProperty`, default to
    False.
    """

    position = NumericProperty(-1)
    """Position of the video between 0 and :data:`duration`. The position is
    default to -1, and set to real position when the video is loaded.

    :data:`position` is a :class:`~kivy.properties.NumericProperty`, default to
    -1.
    """

    duration = NumericProperty(-1)
    """Duration of the video. The duration is default to -1, and set to real
    duration when the video is loaded.

    :data:`duration` is a :class:`~kivy.properties.NumericProperty`, default to
    -1.
    """

    volume = NumericProperty(1.0)
    """Volume of the video, in the range 0-1. 1 mean full volume, 0 mean mute.

    :data:`volume` is a :class:`~kivy.properties.NumericProperty`, default to
    1.
    """

    options = ObjectProperty({})
    """Options to pass at Video core object creation.

    .. versionadded:: 1.0.4

    :data:`options` is a :class:`kivy.properties.ObjectProperty`, default to {}.
    """

    def __init__(self, **kwargs):
        self._video = None
        super(Video, self).__init__(**kwargs)

    def texture_update(self, *largs):
        """This method is a no-op in Video widget.
        """
        pass

    def on_source(self, instance, value):
        self._trigger_video_load()

    def _trigger_video_load(self, *largs):
        Clock.unschedule(self._do_video_load)
        Clock.schedule_once(self._do_video_load, -1)

    def _do_video_load(self, *largs):
        if self._video:
            self._video.stop()
        if not self.source:
            self._video = None
            self.texture = None
        else:
            filename = self.source
            # FIXME make it extensible.
            if filename.split(":")[0] not in ("http", "https", "file", "udp", "rtp", "rtsp"):
                filename = resource_find(filename)
            self._video = CoreVideo(filename=filename, **self.options)
            self._video.bind(on_load=self._on_video_frame, on_frame=self._on_video_frame, on_eos=self._on_eos)
            if self.play:
                self._video.play()
            self.duration = 1.0
            self.position = 0.0

    def on_play(self, instance, value):
        if not self._video:
            return
        if value:
            if self.eos:
                self._video.stop()
                self._video.position = 0.0
                self._video.eos = False
#.........這裏部分代碼省略.........