[FFmpeg-devel] [PATCH] Set AVCodecContext qdiff constraints to 1..31
Mon Apr 21 17:10:26 CEST 2008
On Apr 21, 2008, at 9:34 AM, Stefano Sabatini wrote:
> Hi, as in subject,
> I wonder if there is currently a reason for which the AVCodecContext
> options array constraints for qdiff (INT_MIN..INT_MAX) are different
> from those of ffmpeg.c:opt_qdiff (1..31).
> If not I propose to apply this patch.
> Best regards.
> FFmpeg = Foolish & Furious MultiPurpose EnGine
Not all codecs have qp1-31. H264 has 0-51 and I'd expect some others
(maybe snow?) to have a lot more as well.
Of course, there's no good reason to set it higher than 5 even in
h264, but it might as well have the same min/max as vqscale.
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