Reimplement NV21ToARGB to allow different color matrix.

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 1021 matching lines @@
     NV12ToRGB565Row(src_y, src_uv, dst_rgb565, &kYuvConstants, width);
     dst_rgb565 += dst_stride_rgb565;
     src_y += src_stride_y;
     if (y & 1) {
       src_uv += src_stride_uv;
     }
   }
   return 0;
 }
 
-// Convert NV21 to RGB565.
-LIBYUV_API
-int NV21ToRGB565(const uint8* src_y, int src_stride_y,
-                 const uint8* src_vu, int src_stride_vu,
-                 uint8* dst_rgb565, int dst_stride_rgb565,
-                 int width, int height) {
-  int y;
-  void (*NV12ToRGB565Row)(const uint8* y_buf,
-                          const uint8* src_vu,
-                          uint8* rgb_buf,
-                          struct YuvConstants* yuvconstants,
-                          int width) = NV12ToRGB565Row_C;
-  if (!src_y || !src_vu || !dst_rgb565 ||
-      width <= 0 || height == 0) {
-    return -1;
-  }
-  // Negative height means invert the image.
-  if (height < 0) {
-    height = -height;
-    dst_rgb565 = dst_rgb565 + (height - 1) * dst_stride_rgb565;
-    dst_stride_rgb565 = -dst_stride_rgb565;
-  }
-#if defined(HAS_NV12TORGB565ROW_SSSE3)
-  if (TestCpuFlag(kCpuHasSSSE3)) {
-    NV12ToRGB565Row = NV12ToRGB565Row_Any_SSSE3;
-    if (IS_ALIGNED(width, 8)) {
-      NV12ToRGB565Row = NV12ToRGB565Row_SSSE3;
-    }
-  }
-#endif
-#if defined(HAS_NV12TORGB565ROW_AVX2)
-  if (TestCpuFlag(kCpuHasAVX2)) {
-    NV12ToRGB565Row = NV12ToRGB565Row_Any_AVX2;
-    if (IS_ALIGNED(width, 16)) {
-      NV12ToRGB565Row = NV12ToRGB565Row_AVX2;
-    }
-  }
-#endif
-#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_vu, dst_rgb565, &kYvuConstants, width);
-    dst_rgb565 += dst_stride_rgb565;
-    src_y += src_stride_y;
-    if (y & 1) {
-      src_vu += src_stride_vu;
-    }
-  }
-  return 0;
-}
-
 LIBYUV_API
 void SetPlane(uint8* dst_y, int dst_stride_y,
               int width, int height,
               uint32 value) {
   int y;
   void (*SetRow)(uint8* dst, uint8 value, int width) = SetRow_C;
   if (height < 0) {
     height = -height;
     dst_y = dst_y + (height - 1) * dst_stride_y;
     dst_stride_y = -dst_stride_y;
@@ skipping 1432 matching lines @@
     }
     free_aligned_buffer_64(rows);
   }
   return 0;
 }
 
 #ifdef __cplusplus
 }  // extern "C"
 }  // namespace libyuv
 #endif