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Python Video.seek方法代码示例

本文整理汇总了Python中kivy.uix.video.Video.seek方法的典型用法代码示例。如果您正苦于以下问题:Python Video.seek方法的具体用法?Python Video.seek怎么用?Python Video.seek使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在kivy.uix.video.Video的用法示例。


在下文中一共展示了Video.seek方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Python代码示例。

示例1: VideoPlayer

# 需要导入模块: from kivy.uix.video import Video [as 别名]
# 或者: from kivy.uix.video.Video import seek [as 别名]

#.........这里部分代码省略.........

    def _do_video_load(self, *largs):
        self._video = Video(source=self.source, state=self.state,
                            volume=self.volume, pos_hint={'x': 0, 'y': 0},
                            **self.options)
        self._video.bind(texture=self._play_started,
                         duration=self.setter('duration'),
                         position=self.setter('position'),
                         volume=self.setter('volume'),
                         state=self._set_state)

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

    def on_volume(self, instance, value):
        if not self._video:
            return
        self._video.volume = value

    def on_position(self, instance, value):
        labels = self._annotations_labels
        if not labels:
            return
        for label in labels:
            start = label.start
            duration = label.duration
            if start > value or (start + duration) < value:
                if label.parent:
                    label.parent.remove_widget(label)
            elif label.parent is None:
                self.container.add_widget(label)

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

        .. warning::

            Calling seek() before video is loaded has no effect.
        '''
        if not self._video:
            return
        self._video.seek(percent)

    def _play_started(self, instance, value):
        self.container.clear_widgets()
        self.container.add_widget(self._video)

    def on_touch_down(self, touch):
        if not self.collide_point(*touch.pos):
            return False
        if touch.is_double_tap and self.allow_fullscreen:
            self.fullscreen = not self.fullscreen
            return True
        return super(VideoPlayer, self).on_touch_down(touch)

    def on_fullscreen(self, instance, value):
        window = self.get_parent_window()
        if not window:
            Logger.warning('VideoPlayer: Cannot switch to fullscreen, '
                           'window not found.')
            if value:
                self.fullscreen = False
            return
        if not self.parent:
开发者ID:Kovak,项目名称:kivy,代码行数:70,代码来源:videoplayer.py


注:本文中的kivy.uix.video.Video.seek方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。