h264转码MP4支持html5播放格式示例代码：H264TrackImplh264TrackImpl=newH264TrackImpl(newFileDataSourceImpl("C://a.264"));Moviemovie=newMovie();movie.addTrack(h264TrackImpl);Containermp4f=newDefaultMp4Builder().build(movie);FileChannelfChannel=newFileOutputStream(newFile("C://a.mp4"&