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vf_colorspace: Added linear trc.

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This patch adds the coefficients for the linear gamma function (1,0,1,0)
to the colorspace filter.

Signed-off-by: Andrew Klaassen <clawsoon@yahoo.com>
Signed-off-by: Ronald S. Bultje <rsbultje@gmail.com>
This commit is contained in:
Andrew Klaassen 2020-09-24 15:00:52 -04:00 committed by Ronald S. Bultje
parent a3a6b56200
commit a6e72fb46d
1 changed files with 2 additions and 0 deletions
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2
libavfilter/vf_colorspace.c
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@ -179,6 +179,7 @@ static const struct TransferCharacteristics transfer_characteristics[AVCOL_TRC_N
[AVCOL_TRC_GAMMA28] = { 1.0, 0.0, 1.0 / 2.8, 0.0 },
[AVCOL_TRC_SMPTE170M] = { 1.099, 0.018, 0.45, 4.5 },
[AVCOL_TRC_SMPTE240M] = { 1.1115, 0.0228, 0.45, 4.0 },
[AVCOL_TRC_LINEAR] = { 1.0, 0.0, 1.0, 0.0 },
[AVCOL_TRC_IEC61966_2_1] = { 1.055, 0.0031308, 1.0 / 2.4, 12.92 },
[AVCOL_TRC_IEC61966_2_4] = { 1.099, 0.018, 0.45, 4.5 },
[AVCOL_TRC_BT2020_10] = { 1.099, 0.018, 0.45, 4.5 },
@ -990,6 +991,7 @@ static const AVOption colorspace_options[] = {
ENUM("gamma28", AVCOL_TRC_GAMMA28, "trc"),
ENUM("smpte170m", AVCOL_TRC_SMPTE170M, "trc"),
ENUM("smpte240m", AVCOL_TRC_SMPTE240M, "trc"),
ENUM("linear", AVCOL_TRC_LINEAR, "trc"),
ENUM("srgb", AVCOL_TRC_IEC61966_2_1, "trc"),
ENUM("iec61966-2-1", AVCOL_TRC_IEC61966_2_1, "trc"),
ENUM("xvycc", AVCOL_TRC_IEC61966_2_4, "trc"),