[MPlayer-users] [BUG] lavc error - 2pass curve failed to converge

[Giacomo Comes]

On Fri, Jul 14, 2006 at 12:20:25AM +0200, vitko wrote:
> 2 pass lavc encoding fails with current SVN, I'm getting following
> on second pass:
> 
> ...
> videocodec: libavcodec (720x576 fourcc=34504d46 [FMP4])
> [mpeg4 @ 0xbf80d0]Error: 2pass curve failed to converge
> Could not open codec.
> ...
> 
> Commands used were (stripped to bare minimum? from "hi-quality", but
> still producing the error):
> 
> $ mencoder dvd://1 -dvd-device . -nosound -ovc lavc \
> -lavcopts vcodec=mpeg4:vpass=1 -frames 500 -o /dev/null
> $ mencoder dvd://1 -dvd-device . -nosound -ovc lavc \
> -lavcopts vcodec=mpeg4:vpass=2 -frames 500 -o rctest.avi
> 
> It's too late and maybe I missed something.
> 
> Vit

I didn't have time to report this earlyer but I can confirm that the bug is there
since 1.0pre8. 2 pass encoding with libavcodec is not possible.
Tested with avi and mpeg container, mpeg4, mpeg2video and mpeg1video codec.
Error is alwais the same: Error: 2pass curve failed to converge.

I hope that somebody can fix it quickly.

Giacomo