On 12/10/17, Michael Niedermayer <mich...@niedermayer.cc> wrote: > On Sun, Dec 10, 2017 at 02:14:15PM +0100, Paul B Mahol wrote: >> lavf-mkv changes only because of metadata. >> >> Signed-off-by: Paul B Mahol <one...@gmail.com> >> --- >> libavcodec/mpeg4videoenc.c | 1 + >> libavcodec/mpegvideo_enc.c | 4 ++++ >> tests/ref/lavf/mkv | 8 ++++---- >> tests/ref/seek/lavf-mkv | 44 >> ++++++++++++++++++++++---------------------- >> 4 files changed, 31 insertions(+), 26 deletions(-) > > This changes the amount of noise in: > > ./ffmpeg -f lavfi -i testsrc=s=500x300 -vf noise=alls=40 -vcodec mpeg4 > -qscale 2 -vframes 3 noise.avi > > Looking at the format convertion it seems that an additional scaler > is used to convert to gbrp which is then converted again
Here output looks more correct IMHO. _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-devel
