Displaying 1 result from an estimated 1 matches for "scalebits".
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scaled_bits
2007 Feb 13
0
libswfdec/jpeg libswfdec/swfdec_image.c
...d
return 0;
}
-
-
-/* from the JFIF spec */
-#if 0
-#define CONVERT(r, g, b, y, u, v) G_STMT_START{ \
- (r) = CLAMP((y) + 1.402*((v)-128),0,255); \
- (g) = CLAMP((y) - 0.34414*((u)-128) - 0.71414*((v)-128),0,255); \
- (b) = CLAMP((y) + 1.772*((u)-128),0,255); \
-}G_STMT_END
-#else
-#define SCALEBITS 10
-#define ONE_HALF (1 << (SCALEBITS - 1))
-#define FIX(x) ((int) ((x) * (1<<SCALEBITS) + 0.5))
-#define CONVERT(r, g, b, y, u, v) G_STMT_START{ \
- int cb = (u) - 128;\
- int cr = (v) - 128;\
- int cy = (y) << SCALEBITS;\
- int r_add = cy + FIX(1.40200) * cr + ONE...