[FFmpeg-devel] Honors -rc_override with libx264

Etienne Buira etienne.buira.lists at free.fr
Thu May 19 12:41:28 CEST 2011

On Wed, May 18, 2011 at 12:49:15PM -0700, Baptiste Coudurier wrote:
> Hi Etienne,
> On 05/18/2011 10:02 AM, Etienne Buira wrote:
> > Hi.
> > 
> > $subject. It might surely be done with -x264opts, but I think a big deal
> > of ffmpeg is unifying arguments whatever codec is in use.
> > 
> > It has the drawback of not allowing quality factor (is that the same as
> > crf?), nor q=0 (which should be made possible), nor exploiting setting
> > local bitrate.
> > So, would a patch accepting backward compatible -rc_override option as
> > well as one like <int>,<int>,(q|b|f)=<int> (comments welcome) be welcomed?
> Thanks for the patch.
> Btw, any help porting the parameters to be honored when -preset is used
> would be great, an example to look at is the weightp option.


Looks like a bad/not initialised memory, as it gives different results
on two hosts with same arch, gcc version, and origin/master. On one it
complains -x264opts is not an option, on the other it ignores the value.
I'll have a look at it when I can.


More information about the ffmpeg-devel mailing list