ffmpeg roll of source to mar 9 version...

patched-ffmpeg-mt/libswscale/rgb2rgb.c

 /*
  * software RGB to RGB converter
  * pluralize by software PAL8 to RGB converter
  *              software YUV to YUV converter
  *              software YUV to RGB converter
  * Written by Nick Kurshev.
  * palette & YUV & runtime CPU stuff by Michael (michaelni@gmx.at)
  *
  * This file is part of FFmpeg.
  *
@@ skipping 424 matching lines @@
     for (i=0; i<num_pixels; i++) {
         unsigned b,g,r;
         register uint8_t rgb;
         rgb = src[i];
         r = (rgb&0x07);
         g = (rgb&0x38)>>3;
         b = (rgb&0xC0)>>6;
         dst[i] = ((b<<1)&0x07) | ((g&0x07)<<3) | ((r&0x03)<<6);
     }
 }
+
+#define DEFINE_SHUFFLE_BYTES(a, b, c, d)                                \
+void shuffle_bytes_##a##b##c##d(const uint8_t *src, uint8_t *dst, long src_size) \
+{                                                                       \
+    long i;                                                             \
+                                                                        \
+    for (i = 0; i < src_size; i+=4) {                                   \
+        dst[i + 0] = src[i + a];                                        \
+        dst[i + 1] = src[i + b];                                        \
+        dst[i + 2] = src[i + c];                                        \
+        dst[i + 3] = src[i + d];                                        \
+    }                                                                   \
+}
+
+DEFINE_SHUFFLE_BYTES(0, 3, 2, 1);
+DEFINE_SHUFFLE_BYTES(1, 2, 3, 0);
+DEFINE_SHUFFLE_BYTES(2, 1, 0, 3);
+DEFINE_SHUFFLE_BYTES(3, 0, 1, 2);
+DEFINE_SHUFFLE_BYTES(3, 2, 1, 0);
+