Decode audio and video and process both streams — ffmpeg, sdl, opencv

Question

My goal is to proceed on audio and video of mpeg-2 file independently, and to keep synchronicity on both flows. Duration of video is about 1 or 2 minutes maximum.

Answer 1

See here for syncing:

http://dranger.com/ffmpeg/tutorial06.html

and here:

http://dranger.com/ffmpeg/tutorial07.html