rename yuv matrix constants to be more clear about what they are

source/planar_functions.cc

 /*
  *  Copyright 2011 The LibYuv Project Authors. All rights reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS. All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
@@ skipping 825 matching lines @@
 LIBYUV_API
 int I422ToRGBA(const uint8* src_y, int src_stride_y,
                const uint8* src_u, int src_stride_u,
                const uint8* src_v, int src_stride_v,
                uint8* dst_rgba, int dst_stride_rgba,
                int width, int height) {
   return I422ToRGBAMatrix(src_y, src_stride_y,
                           src_u, src_stride_u,
                           src_v, src_stride_v,
                           dst_rgba, dst_stride_rgba,
-                          &kYuvIConstants,
+                          &kYuvI601Constants,
                           width, height);
 }
 
 // Convert I422 to BGRA.
 LIBYUV_API
 int I422ToBGRA(const uint8* src_y, int src_stride_y,
                const uint8* src_u, int src_stride_u,
                const uint8* src_v, int src_stride_v,
                uint8* dst_bgra, int dst_stride_bgra,
                int width, int height) {
   return I422ToRGBAMatrix(src_y, src_stride_y,
                           src_v, src_stride_v,  // Swap U and V
                           src_u, src_stride_u,
                           dst_bgra, dst_stride_bgra,
-                          &kYvuIConstants,  // Use Yvu matrix
+                          &kYvuI601Constants,  // Use Yvu matrix
                           width, height);
 }
 
 // Convert NV12 to RGB565.
 LIBYUV_API
 int NV12ToRGB565(const uint8* src_y, int src_stride_y,
                  const uint8* src_uv, int src_stride_uv,
                  uint8* dst_rgb565, int dst_stride_rgb565,
                  int width, int height) {
   int y;
@@ skipping 31 matching lines @@
 #if defined(HAS_NV12TORGB565ROW_NEON)
   if (TestCpuFlag(kCpuHasNEON)) {
     NV12ToRGB565Row = NV12ToRGB565Row_Any_NEON;
     if (IS_ALIGNED(width, 8)) {
       NV12ToRGB565Row = NV12ToRGB565Row_NEON;
     }
   }
 #endif
 
   for (y = 0; y < height; ++y) {
-    NV12ToRGB565Row(src_y, src_uv, dst_rgb565, &kYuvIConstants, width);
+    NV12ToRGB565Row(src_y, src_uv, dst_rgb565, &kYuvI601Constants, width);
     dst_rgb565 += dst_stride_rgb565;
     src_y += src_stride_y;
     if (y & 1) {
       src_uv += src_stride_uv;
     }
   }
   return 0;
 }
 
 // Convert RAW to RGB24.
@@ skipping 1491 matching lines @@
     }
     free_aligned_buffer_64(rows);
   }
   return 0;
 }
 
 #ifdef __cplusplus
 }  // extern "C"
 }  // namespace libyuv
 #endif