FFMPEG이란?
@@@@
명령어
// AAA : example file name
미디어 컨테이너 변환
[convert avi to mp4]
ffmpeg -i 'input_AAA.avi' -c:v libx264 -crf 19 -preset slow -c:a aac -b:a 192k -ac 2 output_AAA.mp4;
ffmpeg -i 'input_AAA.avi' -c:v copy -c:a copy -y output_AAA.mp4;
raw data 변환
[convert yuv to rgb]
@@@
raw data <-> 컨테이너 변환
[convert yuv to mp4]
ffmpeg -f rawvideo -s:v 1280x720 -r 30 -i input_AAA.yuv -c:v libx264 output_AAA.mp4
[convert mp4 to yuv]
ffmpeg -i input_AAA.mp4 output_AAA.yuv
ffmpeg -i input_AAA.mp4 -f segment -segment_time 0.01 frames%d.yuv // 1장씩
