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如何实现一秒播放一帧，谢谢 #1

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zhengwenming opened this issue Jan 11, 2019 · 1 comment
Open

如何实现一秒播放一帧，谢谢 #1

zhengwenming opened this issue Jan 11, 2019 · 1 comment

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@zhengwenming
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我看了很多iOS播放h264文件的demo，基本上都是播放的速度很快，我希望是类似播放器的正常速度，一秒播放一帧，请问我需要修改哪里呢？谢谢。
@ZJFung
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ZJFung commented Jan 14, 2019

我看了很多iOS播放h264文件的demo，基本上都是播放的速度很快，我希望是类似播放器的正常速度，一秒播放一帧，请问我需要修改哪里呢？谢谢。

目前demo中的做法是从h264文件中读到数据就直接丢给解码器解码显示，从取数据到显示整个过程的时间并没有控制，即没有对帧率等进行控制，如果要对播放速度进行严格控制，就要对播放的整个过程的时间进行相应控制（整个过程的时间接近h264帧率，播放速度就会正常，不然要么快播，要么慢播，最简单的方法就是用一个timer来定时完成取数据解码显示整个过程）。希望对你有帮助！

@ZJFung ZJFung closed this as completed Jan 14, 2019
@ZJFung ZJFung reopened this Jan 14, 2019
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@zhengwenming @ZJFung