I'm trying to extract the video stream from an mp4 or flv h264 video (youtube video) using ffmpeg. The original video (test.flv) play without trouble with ffplay , ffprobe gives an error as follow:I'm trying to extract the video stream from an
阅读背景：
使用ffmpeg从mp4或flv中提取h264原始视频流会生成无效流
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