mediaplayer state

最新推荐文章于 2024-05-06 12:58:25 发布

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最新推荐文章于 2024-05-06 12:58:25 发布

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CC 4.0 BY-SA版权

原文链接：http://www.cnblogs.com/qianyukun/p/9872481.html

本文详细介绍了多媒体播放器的各个状态，包括错误、空闲、初始化、准备中、已准备、开始播放、暂停、停止及播放完成等，通过位移运算定义了状态的数值表示。

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enum media_player_states {
    MEDIA_PLAYER_STATE_ERROR        = 0,
    MEDIA_PLAYER_IDLE               = 1 << 0,
    MEDIA_PLAYER_INITIALIZED        = 1 << 1,
    MEDIA_PLAYER_PREPARING          = 1 << 2,
    MEDIA_PLAYER_PREPARED           = 1 << 3,
    MEDIA_PLAYER_STARTED            = 1 << 4,
    MEDIA_PLAYER_PAUSED             = 1 << 5,
    MEDIA_PLAYER_STOPPED            = 1 << 6,
    MEDIA_PLAYER_PLAYBACK_COMPLETE  = 1 << 7
};