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| author | Paul B Mahol <onemda@gmail.com> | 2018-05-02 13:10:10 +0200 |
|---|---|---|
| committer | Paul B Mahol <onemda@gmail.com> | 2018-05-03 21:43:57 +0200 |
| commit | f43fd68f28079c49e9237894a294968d841babc7 (patch) | |
| tree | 57500147d680b2d5f6b77bf7a25310eda7d2a002 /libavutil/colorspace.h | |
| parent | 177133a0f4b41b3c98b9cbc7f8f45755412c537b (diff) | |
| download | ffmpeg-f43fd68f28079c49e9237894a294968d841babc7.tar.gz | |
avfilter/drawutils: add support for full range
Signed-off-by: Paul B Mahol <onemda@gmail.com>
Diffstat (limited to 'libavutil/colorspace.h')
| -rw-r--r-- | libavutil/colorspace.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/libavutil/colorspace.h b/libavutil/colorspace.h index b6dba2c95f..d0be8cb99a 100644 --- a/libavutil/colorspace.h +++ b/libavutil/colorspace.h @@ -107,4 +107,16 @@ static inline int C_JPEG_TO_CCIR(int y) { (((FIX(0.50000*224.0/255.0) * r1 - FIX(0.41869*224.0/255.0) * g1 - \ FIX(0.08131*224.0/255.0) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128) +#define RGB_TO_Y_JPEG(r, g, b) \ +(FFMIN((FIX(0.29900) * (r) + FIX(0.58700) * (g) + \ + FIX(0.11400) * (b) + (ONE_HALF)) >> SCALEBITS, 255)) + +#define RGB_TO_U_JPEG(r1, g1, b1)\ +(((- FIX(0.16874) * r1 - FIX(0.33126) * g1 + \ + FIX(0.50000) * b1 + (ONE_HALF) - 1) >> (SCALEBITS)) + 128) + +#define RGB_TO_V_JPEG(r1, g1, b1)\ +(((FIX(0.50000) * r1 - FIX(0.41869) * g1 - \ + FIX(0.08131) * b1 + (ONE_HALF) - 1) >> (SCALEBITS)) + 128) + #endif /* AVUTIL_COLORSPACE_H */ |