Make sure -vsync 2 does not produce timestamps equal to the previous,

rather drop a frame.
Fixes Issue872.

Originally committed as revision 17643 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer 2009-02-27 14:53:29 +00:00
parent fc6765d719
commit e6fdc2b1a0

View File

@ -865,9 +865,12 @@ static void do_video_out(AVFormatContext *s,
//FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
if (vdelta < -1.1)
nb_frames = 0;
else if (video_sync_method == 2 || (video_sync_method<0 && (s->oformat->flags & AVFMT_VARIABLE_FPS)))
else if (video_sync_method == 2 || (video_sync_method<0 && (s->oformat->flags & AVFMT_VARIABLE_FPS))){
if(vdelta<=-0.6){
nb_frames=0;
}else if(vdelta>0.6)
ost->sync_opts= lrintf(get_sync_ipts(ost) / av_q2d(enc->time_base));
else if (vdelta > 1.1)
}else if (vdelta > 1.1)
nb_frames = lrintf(vdelta);
//fprintf(stderr, "vdelta:%f, ost->sync_opts:%"PRId64", ost->sync_ipts:%f nb_frames:%d\n", vdelta, ost->sync_opts, get_sync_ipts(ost), nb_frames);
if (nb_frames == 0){