[FFmpeg-devel] [PATCH] avcodec/exr/c Add support for applying a transfer characteristic curve to OpenEXR inputs.

[Kevin Wheatley]

This adds the actual usage and allows for command lines similar to this:

ffmpeg -apply_trc bt709 -i linear.exr bt709.png
ffmpeg -apply_trc smpte2084 -i linear.exr smpte2084.png
ffmpeg -apply_trc iec61966_2_1 -i linear.exr sRGB.png


Which assuming the correct primaries in the linear OpenEXR file will
generate the appropriate file.

Kevin
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