sws: Update rgb24toyv12_c() to user supplied rgb2yuv tables

As the function arguments change, we also change the function name
to ensure that anyone using this (non public) function doesnt end
with hard to debug crashes. The new name also has a proper prefix.

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

1 files changed, 12 insertions, 9 deletions

diff --git a/libswscale/rgb2rgb_template.c b/libswscale/rgb2rgb_template.c
index 8753594aaf..76229d8600 100644
--- a/libswscale/rgb2rgb_template.c
+++ b/libswscale/rgb2rgb_template.c
@@ -612,10 +612,13 @@ static inline void uyvytoyv12_c(const uint8_t *src, uint8_t *ydst,
  * others are ignored in the C version.
  * FIXME: Write HQ version.
  */
-void rgb24toyv12_c(const uint8_t *src, uint8_t *ydst, uint8_t *udst,
+void ff_rgb24toyv12_c(const uint8_t *src, uint8_t *ydst, uint8_t *udst,
                    uint8_t *vdst, int width, int height, int lumStride,
-                   int chromStride, int srcStride)
+                   int chromStride, int srcStride, int32_t *rgb2yuv)
 {
+    int32_t ry = rgb2yuv[RY_IDX], gy = rgb2yuv[GY_IDX], by = rgb2yuv[BY_IDX];
+    int32_t ru = rgb2yuv[RU_IDX], gu = rgb2yuv[GU_IDX], bu = rgb2yuv[BU_IDX];
+    int32_t rv = rgb2yuv[RV_IDX], gv = rgb2yuv[GV_IDX], bv = rgb2yuv[BV_IDX];
     int y;
     const int chromWidth = width >> 1;
 
@@ -626,9 +629,9 @@ void rgb24toyv12_c(const uint8_t *src, uint8_t *ydst, uint8_t *udst,
             unsigned int g = src[6 * i + 1];
             unsigned int r = src[6 * i + 2];
 
-            unsigned int Y = ((RY * r + GY * g + BY * b) >> RGB2YUV_SHIFT) +  16;
-            unsigned int V = ((RV * r + GV * g + BV * b) >> RGB2YUV_SHIFT) + 128;
-            unsigned int U = ((RU * r + GU * g + BU * b) >> RGB2YUV_SHIFT) + 128;
+            unsigned int Y = ((ry * r + gy * g + by * b) >> RGB2YUV_SHIFT) +  16;
+            unsigned int V = ((rv * r + gv * g + bv * b) >> RGB2YUV_SHIFT) + 128;
+            unsigned int U = ((ru * r + gu * g + bu * b) >> RGB2YUV_SHIFT) + 128;
 
             udst[i]     = U;
             vdst[i]     = V;
@@ -638,7 +641,7 @@ void rgb24toyv12_c(const uint8_t *src, uint8_t *ydst, uint8_t *udst,
             g = src[6 * i + 4];
             r = src[6 * i + 5];
 
-            Y = ((RY * r + GY * g + BY * b) >> RGB2YUV_SHIFT) + 16;
+            Y = ((ry * r + gy * g + by * b) >> RGB2YUV_SHIFT) + 16;
             ydst[2 * i + 1] = Y;
         }
         ydst += lumStride;
@@ -652,7 +655,7 @@ void rgb24toyv12_c(const uint8_t *src, uint8_t *ydst, uint8_t *udst,
             unsigned int g = src[6 * i + 1];
             unsigned int r = src[6 * i + 2];
 
-            unsigned int Y = ((RY * r + GY * g + BY * b) >> RGB2YUV_SHIFT) + 16;
+            unsigned int Y = ((ry * r + gy * g + by * b) >> RGB2YUV_SHIFT) + 16;
 
             ydst[2 * i] = Y;
 
@@ -660,7 +663,7 @@ void rgb24toyv12_c(const uint8_t *src, uint8_t *ydst, uint8_t *udst,
             g = src[6 * i + 4];
             r = src[6 * i + 5];
 
-            Y = ((RY * r + GY * g + BY * b) >> RGB2YUV_SHIFT) + 16;
+            Y = ((ry * r + gy * g + by * b) >> RGB2YUV_SHIFT) + 16;
             ydst[2 * i + 1] = Y;
         }
         udst += chromStride;
@@ -915,7 +918,7 @@ static inline void rgb2rgb_init_c(void)
     yuv422ptouyvy      = yuv422ptouyvy_c;
     yuy2toyv12         = yuy2toyv12_c;
     planar2x           = planar2x_c;
-    rgb24toyv12        = rgb24toyv12_c;
+    ff_rgb24toyv12     = ff_rgb24toyv12_c;
     interleaveBytes    = interleaveBytes_c;
     vu9_to_vu12        = vu9_to_vu12_c;
     yvu9_to_yuy2       = yvu9_to_yuy2_c;