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Merge commit '1f77e634bb838f71ff21923b5e9fe3104c831c52'

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* commit '1f77e634bb838f71ff21923b5e9fe3104c831c52':
  colorspace: Add support for BT709

See 9779b6262471d553c1ed811ff7312564e39d8adf

Merged-by: Clément Bœsch <u@pkh.me>
This commit is contained in:
Clément Bœsch 2016-06-21 22:16:16 +02:00
commit e4c07dc4b7
1 changed files with 10 additions and 9 deletions
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19
libavutil/colorspace.h
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@ -41,16 +41,17 @@
b_add = FIX(1.77200*255.0/224.0) * cb + ONE_HALF;\
}
#define YUV_TO_RGB1_CCIR_BT709(cb1, cr1)\
{\
cb = (cb1) - 128;\
cr = (cr1) - 128;\
r_add = FIX(1.5747*255.0/224.0) * cr + ONE_HALF;\
g_add = - FIX(0.1873*255.0/224.0) * cb - FIX(0.4682*255.0/224.0) * cr + \
ONE_HALF;\
b_add = FIX(1.8556*255.0/224.0) * cb + ONE_HALF;\
}
#define YUV_TO_RGB1_CCIR_BT709(cb1, cr1) \
{ \
cb = (cb1) - 128; \
cr = (cr1) - 128; \
r_add = ONE_HALF + FIX(1.5747 * 255.0 / 224.0) * cr; \
g_add = ONE_HALF - FIX(0.1873 * 255.0 / 224.0) * cb - \
FIX(0.4682 * 255.0 / 224.0) * cr; \
b_add = ONE_HALF + FIX(1.8556 * 255.0 / 224.0) * cb; \
}
// To be used for the BT709 variant as well
#define YUV_TO_RGB2_CCIR(r, g, b, y1)\
{\
y = ((y1) - 16) * FIX(255.0/219.0);\