Baptiste Coudurier <[email protected]> added the comment:
On 08/02/2009 04:46 PM, Carl Eugen Hoyos wrote: > Carl Eugen Hoyos<[email protected]> added the comment: > > Sample plays fine with mplayer -vo sdl -ao sdl -demuxer mpegts (fails > completely > with -demuxer lavf), but stutters with ffplay (CPU usage ~70% of one core). > ffmpeg test.avi and test.mpeg produce fine files, ffmpeg test.mp4 produces a > file where video lags audio significantly, no matter which audio codec I use. > (I wonder if this is related to issue 1302) -vsync 1 fixes it. The problem is that mov/mp4 requires timestamps to start at 0, and ffmpeg does not duplicate frames anymore for mp4/mov output since Michael added AVFMT_VARIABLE_FPS in do_video_out. ____________________________________________________ FFmpeg issue tracker <[email protected]> <https://roundup.ffmpeg.org/roundup/ffmpeg/issue788> ____________________________________________________
