[FFmpeg-user] YUV->RGB Color Shift

Gavin Kinsey gkinsey at ad-holdings.co.uk
Wed Jan 11 12:51:15 CET 2012

On Tuesday 10 January 2012 22:19:00 Carl Eugen Hoyos wrote:
> You mean that the colour dynamics are wrong, is that correct?
> ("video level" or "MPEG vs JPEG" etc.)
> Red is red for you, but you think it is too red (or not red enough)?
> There is a color_range option that should affect this conversion, some
> users reported it does not work correctly, a reproducible bug report
> would be nice.

libswscale doesn't actually use the color_range value currently, it only 
looks at the pixel format.  YUVJ vs YUV pixel formats.  The color_range is 
only in the AVCodecContext, which libswscale never sees so it can't use it.

Gavin Kinsey
AD Holdings Plc

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