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Python Video.seek方法代碼示例

本文整理匯總了Python中kivy.uix.video.Video.seek方法的典型用法代碼示例。如果您正苦於以下問題:Python Video.seek方法的具體用法?Python Video.seek怎麽用?Python Video.seek使用的例子?那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在kivy.uix.video.Video的用法示例。


在下文中一共展示了Video.seek方法的1個代碼示例,這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚,您的評價將有助於係統推薦出更棒的Python代碼示例。

示例1: VideoPlayer

# 需要導入模塊: from kivy.uix.video import Video [as 別名]
# 或者: from kivy.uix.video.Video import seek [as 別名]

#.........這裏部分代碼省略.........

    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:
開發者ID:Kovak,項目名稱:kivy,代碼行數:70,代碼來源:videoplayer.py


注:本文中的kivy.uix.video.Video.seek方法示例由純淨天空整理自Github/MSDocs等開源代碼及文檔管理平台,相關代碼片段篩選自各路編程大神貢獻的開源項目,源碼版權歸原作者所有,傳播和使用請參考對應項目的License;未經允許,請勿轉載。