diff options
| author | Matthew Hoops | 2009-12-30 15:29:52 +0000 |
|---|---|---|
| committer | Matthew Hoops | 2009-12-30 15:29:52 +0000 |
| commit | b775c03c29f6b256e9e01c5481949bb11300ce3a (patch) | |
| tree | 5c8fad1a486d21ff03f5b52bf378e463b71158fa /graphics/conversion.h | |
| parent | ed41d797efc641c660247bc09d055ce8adbcbda4 (diff) | |
| download | scummvm-rg350-b775c03c29f6b256e9e01c5481949bb11300ce3a.tar.gz scummvm-rg350-b775c03c29f6b256e9e01c5481949bb11300ce3a.tar.bz2 scummvm-rg350-b775c03c29f6b256e9e01c5481949bb11300ce3a.zip | |
Use the special Cinepak YUV2RGB function in the Cinepak decoder. This makes the Riven videos match up with the backgrounds better. Thanks, Torbjorn\!
svn-id: r46750
Diffstat (limited to 'graphics/conversion.h')
| -rw-r--r-- | graphics/conversion.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/graphics/conversion.h b/graphics/conversion.h index 0c47574117..262dcd6f5a 100644 --- a/graphics/conversion.h +++ b/graphics/conversion.h @@ -45,6 +45,13 @@ inline static void RGB2YUV(byte r, byte g, byte b, byte &y, byte &u, byte &v) { v = CLIP<int>( ((r * 512) >> 10) - ((g * 429) >> 10) - ((b * 83) >> 10) + 128, 0, 255); } +/** Converting a color from YUV to RGB colorspace, Cinepak style. */ +inline static void CPYUV2RGB(byte y, byte u, byte v, byte &r, byte &g, byte &b) { + r = CLIP<int>(y + 2 * (v - 128), 0, 255); + g = CLIP<int>(y - (u - 128) / 2 - (v - 128), 0, 255); + b = CLIP<int>(y + 2 * (u - 128), 0, 255); +} + // TODO: generic YUV to RGB blit /** |