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| author | Matthew Hoops | 2012-04-14 17:06:31 -0400 |
|---|---|---|
| committer | Matthew Hoops | 2012-04-14 17:06:31 -0400 |
| commit | 473a09786d0688e7ab9689be4f6e60172a288cb2 (patch) | |
| tree | a882b293fe948ce72ed4b3f6aafccde6482a3ce5 /graphics/yuv_to_rgb.h | |
| parent | 870ab35f5b184bc7af950437de4e5cb4f2afeddd (diff) | |
| download | scummvm-rg350-473a09786d0688e7ab9689be4f6e60172a288cb2.tar.gz scummvm-rg350-473a09786d0688e7ab9689be4f6e60172a288cb2.tar.bz2 scummvm-rg350-473a09786d0688e7ab9689be4f6e60172a288cb2.zip | |
GRAPHICS: Make YUV410 conversion code use bilinear interpolation
SVQ1 no longer looks blocky and now looks a lot closer to what QuickTime outputs
Diffstat (limited to 'graphics/yuv_to_rgb.h')
| -rw-r--r-- | graphics/yuv_to_rgb.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/graphics/yuv_to_rgb.h b/graphics/yuv_to_rgb.h index 52ab2ebdfb..73a2c69d7d 100644 --- a/graphics/yuv_to_rgb.h +++ b/graphics/yuv_to_rgb.h @@ -67,6 +67,11 @@ void convertYUV420ToRGB(Graphics::Surface *dst, const byte *ySrc, const byte *uS /** * Convert a YUV410 image to an RGB surface * + * Since the chroma has a very low resolution in 410, we perform bilinear scaling + * on the two chroma planes to produce the image. The chroma planes must have + * at least one extra row that can be read from in order to produce a proper + * image (filled with 0x80). This is required in order to speed up this function. + * * @param dst the destination surface * @param ySrc the source of the y component * @param uSrc the source of the u component |