Beispiel #1
0
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'):
                filename = resource_find(filename)
            self._video = CoreVideo(filename=filename, **self.options)
            self._video.volume = self.volume
            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.eos = False
            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
        self.canvas.ask_update()

    def _on_eos(self, *largs):
        self.play = False
        self.eos = True

    def on_volume(self, instance, value):
        if self._video:
            self._video.volume = value
Beispiel #2
0
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 {}.
    '''
    def __init__(self, **kwargs):
        self._video = None
        super(Video, self).__init__(**kwargs)
        self.fbind('source', self._trigger_video_load)

        if "eos" in kwargs:
            self.options["eos"] = kwargs["eos"]
        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.

        .. warning::

            Calling seek() before the video is loaded has no impact.

        .. versionadded:: 1.2.0
        '''
        if self._video is None:
            raise Exception('Video not loaded.')
        self._video.seek(percent)

    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 CoreVideo is None:
            return
        if self._video:
            self._video.stop()
        if not self.source:
            self._video = None
            self.texture = None
        else:
            filename = self.source
            # Check if filename is not url
            if not '://' in filename:
                filename = resource_find(filename)
            self._video = CoreVideo(filename=filename, **self.options)
            self._video.volume = self.volume
            self._video.bind(on_load=self._on_load,
                             on_frame=self._on_video_frame,
                             on_eos=self._on_eos)
            if self.state == 'play' or self.play:
                self._video.play()
            self.duration = 1.
            self.position = 0.

    def on_play(self, instance, value):
        value = 'play' if value else 'stop'
        return self.on_state(instance, value)

    def on_state(self, instance, value):
        if not self._video:
            return
        if value == 'play':
            if self.eos:
                self._video.stop()
                self._video.position = 0.
                self._video.eos = False
            self.eos = False
            self._video.play()
        elif value == 'pause':
            self._video.pause()
        else:
            self._video.stop()
            self._video.position = 0
            self._video.eos = False

    def _on_video_frame(self, *largs):
        video = self._video
        if not video:
            return
        self.duration = video.duration
        self.position = video.position
        self.texture = video.texture
        self.canvas.ask_update()

    def _on_eos(self, *largs):
        if self._video.eos != 'loop':
            self.state = 'stop'
            self.eos = True

    def _on_load(self, *largs):
        self.loaded = True
        self._on_video_frame(largs)

    def on_volume(self, instance, value):
        if self._video:
            self._video.volume = value

    def unload(self):
        '''Unload the video. The playback will be stopped.

        .. versionadded:: 1.8.0
        '''
        if self._video:
            self._video.stop()
            self._video.unload()
            self._video = None
Beispiel #3
0
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:: 1.2.0
        '''
        if self._video is None:
            raise Exception('Video not loaded.')
        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'):
                filename = resource_find(filename)
            self._video = CoreVideo(filename=filename, **self.options)
            self._video.volume = self.volume
            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.eos = False
            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
        self.canvas.ask_update()

    def _on_eos(self, *largs):
        self.play = False
        self.eos = True

    def on_volume(self, instance, value):
        if self._video:
            self._video.volume = value
Beispiel #4
0
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.

        .. warning::

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

        .. versionadded:: 1.2.0
        '''
        if self._video is None:
            raise Exception('Video not loaded.')
        self._video.seek(percent)

    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 CoreVideo is None:
            return
        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.volume = self.volume
            self._video.bind(on_load=self._on_load,
                             on_frame=self._on_video_frame,
                             on_eos=self._on_eos)
            if self.state == 'play' or self.play:
                self._video.play()
            self.duration = 1.
            self.position = 0.

    def on_play(self, instance, value):
        value = 'play' if value else 'stop'
        return self.on_state(instance, value)

    def on_state(self, instance, value):
        if not self._video:
            return
        if value == 'play':
            if self.eos:
                self._video.stop()
                self._video.position = 0.
                self._video.eos = False
            self.eos = False
            self._video.play()
        elif value == 'pause':
            self._video.pause()
        else:
            self._video.stop()
            self._video.position = 0
            self._video.eos = False

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

    def _on_eos(self, *largs):
        if self._video.eos != 'loop':
            self.state = 'stop'
            self.eos = True

    def _on_load(self, *largs):
        self.loaded = True
        self._on_video_frame(largs)

    def on_volume(self, instance, value):
        if self._video:
            self._video.volume = value
Beispiel #5
0
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)

        if "eos" in kwargs:
            self.options["eos"] = kwargs["eos"]
        if self.source:
            self._trigger_video_load()

    def seek(self, percent, precise=True):
        '''Change the position to a percentage of duration.

        :Parameters:
            `percent`: float or int
                Position to seek, must be between 0-1.
            `precise`: bool, defaults to True
                Precise seeking is slower, but seeks to exact requested
                percent.

        .. warning::
            Calling seek() before the video is loaded has no effect.

        .. versionadded:: 1.2.0

        .. versionchanged:: 1.10.1
            The `precise` keyword argument has been added.
        '''
        if self._video is None:
            raise Exception('Video not loaded.')
        self._video.seek(percent, precise=precise)

    def _trigger_video_load(self, *largs):
        ev = self._video_load_event
        if ev is None:
            ev = self._video_load_event = Clock.schedule_once(
                self._do_video_load, -1)
        ev()

    def _do_video_load(self, *largs):
        if CoreVideo is None:
            return
        self.unload()
        if not self.source:
            self._video = None
            self.texture = None
        else:
            filename = self.source
            # Check if filename is not url
            if '://' not in filename:
                filename = resource_find(filename)
            self._video = CoreVideo(filename=filename, **self.options)
            self._video.volume = self.volume
            self._video.bind(on_load=self._on_load,
                             on_frame=self._on_video_frame,
                             on_eos=self._on_eos)
            if self.state == 'play' or self.play:
                self._video.play()
            self.duration = 1.
            self.position = 0.

    def on_play(self, instance, value):
        value = 'play' if value else 'stop'
        return self.on_state(instance, value)

    def on_state(self, instance, value):
        if not self._video:
            return
        if value == 'play':
            if self.eos:
                self._video.stop()
                self._video.position = 0.
                self._video.eos = False
            self.eos = False
            self._video.play()
        elif value == 'pause':
            self._video.pause()
        else:
            self._video.stop()
            self._video.position = 0
            self._video.eos = False

    def _on_video_frame(self, *largs):
        video = self._video
        if not video:
            return
        self.duration = video.duration
        self.position = video.position
        self.texture = video.texture
        self.canvas.ask_update()

    def _on_eos(self, *largs):
        if self._video.eos != 'loop':
            self.state = 'stop'
            self.eos = True

    def _on_load(self, *largs):
        self.loaded = True
        self._on_video_frame(largs)

    def on_volume(self, instance, value):
        if self._video:
            self._video.volume = value

    def unload(self):
        '''Unload the video. The playback will be stopped.

        .. versionadded:: 1.8.0
        '''
        if self._video:
            self._video.stop()
            self._video.unload()
            self._video = None
        self.loaded = False
Beispiel #6
0
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:
            self._video.stop()

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

    def _on_eos(self, *largs):
        self.eos = True

    def on_volume(self, instance, value):
        if self._video:
            self._video.volume = value
Beispiel #7
0
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 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:
            self._video.stop()

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

    def _on_eos(self, *largs):
        self.eos = True

    def on_volume(self, instance, value):
        if self._video:
            self._video.volume = value
Beispiel #8
0
class Video(Image):
    '''Video class. See module documentation for more information.
    '''

    preview = StringProperty(None, allownone=True)
    '''Filename / source of a preview image displayed before video starts.

    :attr:`preview` is a :class:`~kivy.properties.StringProperty` and
    defaults to None.

    If set, it gets displayed until the video is loaded/started.

    .. versionadded:: 2.1.0
    '''

    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=True)
    '''
    .. 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)

        if "eos" in kwargs:
            self.options["eos"] = kwargs["eos"]
        if self.source:
            self._trigger_video_load()

    def texture_update(self, *largs):
        if self.preview:
            self.set_texture_from_resource(self.preview)
        else:
            self.set_texture_from_resource(self.source)

    def seek(self, percent, precise=True):
        '''Change the position to a percentage (strictly, a proportion)
           of duration.

        :Parameters:
            `percent`: float or int
                Position to seek as a proportion of the total duration,
                must be between 0-1.
            `precise`: bool, defaults to True
                Precise seeking is slower, but seeks to exact requested
                percent.

        .. warning::
            Calling seek() before the video is loaded has no effect.

        .. versionadded:: 1.2.0

        .. versionchanged:: 1.10.1
            The `precise` keyword argument has been added.
        '''
        if self._video is None:
            raise Exception('Video not loaded.')
        self._video.seek(percent, precise=precise)

    def _trigger_video_load(self, *largs):
        ev = self._video_load_event
        if ev is None:
            ev = self._video_load_event = Clock.schedule_once(
                self._do_video_load, -1)
        ev()

    def _do_video_load(self, *largs):
        if CoreVideo is None:
            return
        self.unload()
        if not self.source:
            self._video = None
            self.texture = None
        else:
            filename = self.source
            # Check if filename is not url
            if '://' not in filename:
                filename = resource_find(filename)
            self._video = CoreVideo(filename=filename, **self.options)
            self._video.volume = self.volume
            self._video.bind(on_load=self._on_load,
                             on_frame=self._on_video_frame,
                             on_eos=self._on_eos)
            if self.state == 'play' or self.play:
                self._video.play()
            self.duration = 1.
            self.position = 0.

    def on_play(self, instance, value):
        value = 'play' if value else 'stop'
        return self.on_state(instance, value)

    def on_state(self, instance, value):
        if not self._video:
            return
        if value == 'play':
            if self.eos:
                self._video.stop()
                self._video.position = 0.
            self.eos = False
            self._video.play()
        elif value == 'pause':
            self._video.pause()
        else:
            self._video.stop()
            self._video.position = 0

    def _on_video_frame(self, *largs):
        video = self._video
        if not video:
            return
        self.duration = video.duration
        self.position = video.position
        self.texture = video.texture
        self.canvas.ask_update()

    def _on_eos(self, *largs):
        if not self._video or self._video.eos != 'loop':
            self.state = 'stop'
            self.eos = True

    def _on_load(self, *largs):
        self.loaded = True
        self._on_video_frame(largs)

    def on_volume(self, instance, value):
        if self._video:
            self._video.volume = value

    def unload(self):
        '''Unload the video. The playback will be stopped.

        .. versionadded:: 1.8.0
        '''
        if self._video:
            self._video.stop()
            self._video.unload()
            self._video = None
        self.loaded = False
Beispiel #9
0
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
Beispiel #10
0
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
            self.eos = False
            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
        self.canvas.ask_update()

    def _on_eos(self, *largs):
        self.play = False
        self.eos = True

    def on_volume(self, instance, value):
        if self._video:
            self._video.volume = value