[Ffmpeg-devel] Bug in multithreaded h/x264 encoding

[Erik Slagter]

On Sun, 2005-06-19 at 12:12 +0200, M?ns Rullg?rd wrote:
> Erik Slagter <erik at slagter.name> writes:
> 
> > This doesn't work when I specify -threads 2 as well, without it it's
> > fine:
> >
> > ffmpeg -y -i input.vob -aspect 4:3 -g 25 -qscale 6 -bf 2 -coder 1 \
> >  -ab 64 -async 1 -acodec aac -vcodec h264 -f mp4 output.mp4
> >
> > Large parts of the image are completly mangled all of the time. I guess
> > it can be reproduced with any input.
> 
> That's a fairly long command line.  Does the bug still show if you
> simplify it a bit, such as disable B frames?  Does the x264 command
> line interface work?

It's gone when the -coder 1 is removed (CABAC iirc).