[FFmpeg-user] RGB-YUV color shift
George L.P. Fitz
george at glpf.net
Fri Oct 19 19:24:02 CEST 2012
On Oct 19, 2012, at 9:58 AM, Carl Eugen Hoyos wrote:
> George L. P. Fitz <george <at> glpf.net> writes:
>
>> BEFORE:
>> #define SWS_CS_ITU709 1
>> #define SWS_CS_FCC 4
>> #define SWS_CS_ITU601 5
>> #define SWS_CS_ITU624 5
>> #define SWS_CS_SMPTE170M 5
>> #define SWS_CS_SMPTE240M 7
>> #define SWS_CS_DEFAULT 5
>>
>> AFTER:
>> #define SWS_CS_ITU709 1
>> #define SWS_CS_FCC 4
>> #define SWS_CS_ITU601 5
>> #define SWS_CS_ITU624 5
>> #define SWS_CS_SMPTE170M 5
>> #define SWS_CS_SMPTE240M 7
>> #define SWS_CS_DEFAULT 1
>
> Is your original problem only reproducible when encoding
> to prores or also if you encode with a yuv420p encoder?
> (For example -vcodec mpeg4 -qscale 2)
I had previously seen the same color shift when encoding to v210 and x264. I haven't tried mpeg4 yet. I'll try that Monday and report back.
>
> I wonder if the reason that changing the default has no
> effect is that it does not work for a 10bit colourspace.
>
> Carl Eugen
>
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