040000 tree 96400ce116c40b89959737385f199cf737057fc6	camera
040000 tree ce31ffa7fae539fcbff6349c3d0877b08140b89f	codec_impl
040000 tree ce3ca0d4ada424bc1eaa41d459be8bb4d320a610	ffmpeg
040000 tree fecc59f76d904a8a5520bdee98e11fb7dba1d1ce	raw_video_writer
040000 tree 7ba8a8f88747946c6d9c4bce1f8e8b8ca77b7b9a	test
040000 tree 9aa5473abca48d33bae8a33045ab098bdad72828	wav_writer