[FFmpeg-devel] [PATCH] libavfilter-soc: extend vf_scale.c to make it support colorspace details setting

Stefano Sabatini stefano.sabatini-lala
Thu Apr 16 00:29:13 CEST 2009

On date Wednesday 2009-04-15 22:56:27 +0200, Stefano Sabatini encoded:
> Hi, as in subject,
> maybe the patch should be split, also chroma horizontal shifting and
> chroma vertical shifting support should be added.
> Try it with:
> ffplay in.avi -vfilters  "scale=0:0:sws_flags\=+print_info:lgb\=3.0:cgb\=3.0:brightness\=-20, format=rgb32"
> Note that the format=rgb32 or equivalent is required to make the
> destination format of the filter supported by
> sws_get/setColorspaceDetails(), or no filtering will be done (the
> filter still print a warning in this case).
> BTW I get red chroma shifting when using format=argb.

Patch updated with some cleanups and chv/cvs support added.

FFmpeg = Faithless and Faithless Mind-dumbing Perennial Eager Governor
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