create colorspace.h and use it where appropriate

patch by Ian Caulfield: /ian caulfield gmail com/

Originally committed as revision 9716 to svn://svn.ffmpeg.org/ffmpeg/trunk

1 files changed, 1 insertions, 82 deletions

diff --git a/libavcodec/imgconvert.c b/libavcodec/imgconvert.c
index 7fe88c8344..477a62bf09 100644
--- a/libavcodec/imgconvert.c
+++ b/libavcodec/imgconvert.c
@@ -32,6 +32,7 @@
 
 #include "avcodec.h"
 #include "dsputil.h"
+#include "colorspace.h"
 
 #ifdef HAVE_MMX
 #include "i386/mmx.h"
@@ -1158,87 +1159,6 @@ static void yuv420p_to_uyvy422(AVPicture *dst, const AVPicture *src,
     }
 }
 
-#define SCALEBITS 10
-#define ONE_HALF  (1 << (SCALEBITS - 1))
-#define FIX(x)    ((int) ((x) * (1<<SCALEBITS) + 0.5))
-
-#define YUV_TO_RGB1_CCIR(cb1, cr1)\
-{\
-    cb = (cb1) - 128;\
-    cr = (cr1) - 128;\
-    r_add = FIX(1.40200*255.0/224.0) * cr + ONE_HALF;\
-    g_add = - FIX(0.34414*255.0/224.0) * cb - FIX(0.71414*255.0/224.0) * cr + \
-            ONE_HALF;\
-    b_add = FIX(1.77200*255.0/224.0) * cb + ONE_HALF;\
-}
-
-#define YUV_TO_RGB2_CCIR(r, g, b, y1)\
-{\
-    y = ((y1) - 16) * FIX(255.0/219.0);\
-    r = cm[(y + r_add) >> SCALEBITS];\
-    g = cm[(y + g_add) >> SCALEBITS];\
-    b = cm[(y + b_add) >> SCALEBITS];\
-}
-
-#define YUV_TO_RGB1(cb1, cr1)\
-{\
-    cb = (cb1) - 128;\
-    cr = (cr1) - 128;\
-    r_add = FIX(1.40200) * cr + ONE_HALF;\
-    g_add = - FIX(0.34414) * cb - FIX(0.71414) * cr + ONE_HALF;\
-    b_add = FIX(1.77200) * cb + ONE_HALF;\
-}
-
-#define YUV_TO_RGB2(r, g, b, y1)\
-{\
-    y = (y1) << SCALEBITS;\
-    r = cm[(y + r_add) >> SCALEBITS];\
-    g = cm[(y + g_add) >> SCALEBITS];\
-    b = cm[(y + b_add) >> SCALEBITS];\
-}
-
-#define Y_CCIR_TO_JPEG(y)\
- cm[((y) * FIX(255.0/219.0) + (ONE_HALF - 16 * FIX(255.0/219.0))) >> SCALEBITS]
-
-#define Y_JPEG_TO_CCIR(y)\
- (((y) * FIX(219.0/255.0) + (ONE_HALF + (16 << SCALEBITS))) >> SCALEBITS)
-
-#define C_CCIR_TO_JPEG(y)\
- cm[(((y) - 128) * FIX(127.0/112.0) + (ONE_HALF + (128 << SCALEBITS))) >> SCALEBITS]
-
-/* NOTE: the clamp is really necessary! */
-static inline int C_JPEG_TO_CCIR(int y) {
-    y = (((y - 128) * FIX(112.0/127.0) + (ONE_HALF + (128 << SCALEBITS))) >> SCALEBITS);
-    if (y < 16)
-        y = 16;
-    return y;
-}
-
-
-#define RGB_TO_Y(r, g, b) \
-((FIX(0.29900) * (r) + FIX(0.58700) * (g) + \
-  FIX(0.11400) * (b) + ONE_HALF) >> SCALEBITS)
-
-#define RGB_TO_U(r1, g1, b1, shift)\
-(((- FIX(0.16874) * r1 - FIX(0.33126) * g1 +         \
-     FIX(0.50000) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
-
-#define RGB_TO_V(r1, g1, b1, shift)\
-(((FIX(0.50000) * r1 - FIX(0.41869) * g1 -           \
-   FIX(0.08131) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
-
-#define RGB_TO_Y_CCIR(r, g, b) \
-((FIX(0.29900*219.0/255.0) * (r) + FIX(0.58700*219.0/255.0) * (g) + \
-  FIX(0.11400*219.0/255.0) * (b) + (ONE_HALF + (16 << SCALEBITS))) >> SCALEBITS)
-
-#define RGB_TO_U_CCIR(r1, g1, b1, shift)\
-(((- FIX(0.16874*224.0/255.0) * r1 - FIX(0.33126*224.0/255.0) * g1 +         \
-     FIX(0.50000*224.0/255.0) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
-
-#define RGB_TO_V_CCIR(r1, g1, b1, shift)\
-(((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)
-
 static uint8_t y_ccir_to_jpeg[256];
 static uint8_t y_jpeg_to_ccir[256];
 static uint8_t c_ccir_to_jpeg[256];
@@ -2870,4 +2790,3 @@ int avpicture_deinterlace(AVPicture *dst, const AVPicture *src,
     return 0;
 }
 
-#undef FIX