Try "-async 1" on input (place it BEFORE th "-i")
On Thu, Aug 21, 2014 at 5:05 PM, Elżbieta Jakubska < elzbieta.jakub...@gmail.com> wrote: > Hi, > > I have a small problem with A/V synchronization when saving live tv_stream > to avi. I would need to have very good synchronization, or in the worst > case - video before audio, but I have video a little bit after audio (video > goes about half of the video frame after audio, what makes that I can see > previous video frame wile the audio for next one is playing). I use the > following command for dumping the stream to file: > > ffmpeg -y -probesize 6000000 -threads 1 -i http://url -vf scale=640:360 > -b:v 800k -acodec libmp3lame -b:a 128k -ac 1 -af aresample=async=1000 -ss 0 > -threads 1 -t 120 -f avi test.avi > > > Please, could you help me to synchronize this? Is it maybe a way to push > video one frame forward? Or maybe using -vsync option would be useful? I > was already trying also with vsync option, but I haven't got good results. > > Thank you for your answers, > > Ela > _______________________________________________ > ffmpeg-user mailing list > ffmpeg-user@ffmpeg.org > http://ffmpeg.org/mailman/listinfo/ffmpeg-user > _______________________________________________ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-user