[FFmpeg-user] Video Audio sync problem

[belcampo]

 > Hello.
 > Sorry about my english.
 > I want to mix two streams, one wav audio and a AVCHD video converted
 > to a pipe input, but the video is shorter than the audio. The audio > 
 > stream have the correct time.
 > I don`t know how to use the -vsync and -map parameters.
 >
 > The command are:
 >
 > mkfifo -
 > ffmpeg -y -i video_in.MTS  -an -pix_fmt yuv420p -f rawvideo - |
 >     ffmpeg -y -i audio_in.wav -r 60000/1001 -deinterlace -s 1920x1080
 > -pix_fmt yuv420p -f rawvideo -i -
 >     -r 60000/1001 -s 1280x720 -vcodec mpeg4 -sameq -shortest -f mov
 >     -acodec libfaac -ac 2 -ab 128k -ar 48000     file_out.mov
 >
 > Many thanks.
Here you can read how-to
http://howto-pages.org/ffmpeg/#delay