[Ffmpeg-devel] Bug in multithreaded h/x264 encoding
Sun Jun 19 12:38:41 CEST 2005
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).
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