[FFmpeg-user] mpeg4 encoder using qscale to set open VBR seems broken?

Nicolas George george at nsup.org
Wed Dec 4 13:24:54 CET 2013

Le quartidi 14 frimaire, an CCXXII, Arne Lie a écrit :
> Thanks, that actually helped: what does the + sign do in general to parameters?

"-flags mv4" sets the flags to exactly mv4; "-flags +mv4" adds the mv4 flag
to the flags already present.

Constant quantizer encoding is enabled by the qscale flag, which is
automatically set by the -qscale option. Without the + in the "-flags"
option, you are clearing that flag afterwards.


  Nicolas George
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