Delete media/base/yuv_convert and dependents. Prefer libyuv.

media/base/simd/convert_rgb_to_yuv_c.cc

-// Copyright (c) 2011 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include <stdint.h>
-
-#include "build/build_config.h"
-#include "media/base/simd/convert_rgb_to_yuv.h"
-
-namespace media {
-
-static int clip_byte(int x) {
-  if (x > 255)
-    return 255;
-  else if (x < 0)
-    return 0;
-  else
-    return x;
-}
-
-void ConvertRGB32ToYUV_C(const uint8_t* rgbframe,
-                         uint8_t* yplane,
-                         uint8_t* uplane,
-                         uint8_t* vplane,
-                         int width,
-                         int height,
-                         int rgbstride,
-                         int ystride,
-                         int uvstride) {
-#if defined(OS_ANDROID)
-  const int r = 0;
-  const int g = 1;
-  const int b = 2;
-#else
-  const int r = 2;
-  const int g = 1;
-  const int b = 0;
-#endif
-
-  for (int i = 0; i < height; ++i) {
-    for (int j = 0; j < width; ++j) {
-      // Since the input pixel format is RGB32, there are 4 bytes per pixel.
-      const uint8_t* pixel = rgbframe + 4 * j;
-      yplane[j] = clip_byte(((pixel[r] * 66 + pixel[g] * 129 +
-                             pixel[b] * 25 + 128) >> 8) + 16);
-      if (i % 2 == 0 && j % 2 == 0) {
-        uplane[j / 2] = clip_byte(((pixel[r] * -38 + pixel[g] * -74 +
-                                   pixel[b] * 112 + 128) >> 8) + 128);
-        vplane[j / 2] = clip_byte(((pixel[r] * 112 + pixel[g] * -94 +
-                                    pixel[b] * -18 + 128) >> 8) + 128);
-      }
-    }
-    rgbframe += rgbstride;
-    yplane += ystride;
-    if (i % 2 == 0) {
-      uplane += uvstride;
-      vplane += uvstride;
-    }
-  }
-}
-
-void ConvertRGB24ToYUV_C(const uint8_t* rgbframe,
-                         uint8_t* yplane,
-                         uint8_t* uplane,
-                         uint8_t* vplane,
-                         int width,
-                         int height,
-                         int rgbstride,
-                         int ystride,
-                         int uvstride) {
-  for (int i = 0; i < height; ++i) {
-    for (int j = 0; j < width; ++j) {
-      // Since the input pixel format is RGB24, there are 3 bytes per pixel.
-      const uint8_t* pixel = rgbframe + 3 * j;
-      yplane[j] = clip_byte(((pixel[2] * 66 + pixel[1] * 129 +
-                              pixel[0] * 25 + 128) >> 8) + 16);
-      if (i % 2 == 0 && j % 2 == 0) {
-        uplane[j / 2] = clip_byte(((pixel[2] * -38 + pixel[1] * -74 +
-                                    pixel[0] * 112 + 128) >> 8) + 128);
-        vplane[j / 2] = clip_byte(((pixel[2] * 112 + pixel[1] * -94 +
-                                    pixel[0] * -18 + 128) >> 8) + 128);
-      }
-    }
-
-    rgbframe += rgbstride;
-    yplane += ystride;
-    if (i % 2 == 0) {
-      uplane += uvstride;
-      vplane += uvstride;
-    }
-  }
-}
-
-}  // namespace media