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* avutil/color_utils: Add basic transfer functions for each ↵Kevin Wheatley2015-09-101-0/+17
| | | | | | | | | | AVColorTransferCharacteristic Most functions are valid over a domain and range of [0.0-1.0] but some are defined over greater. This patch does not deal with AVColorRange and assumes AVCOL_RANGE_JPEG for the returned values. Signed-off-by: Kevin Wheatley <kevin.j.wheatley@gmail.com>
* avutil: Extract gamma determination from PNG encoder for future use. Adds ↵Kevin Wheatley2015-03-051-0/+39
private avpriv_get_gamma_from_trc() function to libavutil. Signed-off-by: Kevin Wheatley <kevin.j.wheatley@gmail.com> Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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