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2 Commits

Author SHA1 Message Date
Kevin Wheatley
bac9048265 avutil/color_utils: Add basic transfer functions for each 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>
 2015-09-10 23:53:05 +02:00
Kevin Wheatley
86b59e6a50 avutil: Extract gamma determination from PNG encoder for future use. Adds 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>
 2015-03-05 12:26:22 +01:00