cobalt/media/base/simd/convert_rgb_to_yuv_ssse3.cc

// Copyright (c) 2012 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 "cobalt/media/base/simd/convert_rgb_to_yuv.h"

#include "build/build_config.h"
#include "cobalt/media/base/simd/convert_rgb_to_yuv_ssse3.h"

namespace cobalt {
namespace media {

void ConvertRGB32ToYUV_SSSE3(const uint8_t* rgbframe, uint8_t* yplane,
                             uint8_t* uplane, uint8_t* vplane, int width,
                             int height, int rgbstride, int ystride,
                             int uvstride) {
  for (; height >= 2; height -= 2) {
    ConvertARGBToYUVRow_SSSE3(rgbframe, yplane, uplane, vplane, width);
    rgbframe += rgbstride;
    yplane += ystride;

    ConvertARGBToYUVRow_SSSE3(rgbframe, yplane, NULL, NULL, width);
    rgbframe += rgbstride;
    yplane += ystride;

    uplane += uvstride;
    vplane += uvstride;
  }

  if (height)
    ConvertARGBToYUVRow_SSSE3(rgbframe, yplane, uplane, vplane, width);
}

void ConvertRGB24ToYUV_SSSE3(const uint8_t* rgbframe, uint8_t* yplane,
                             uint8_t* uplane, uint8_t* vplane, int width,
                             int height, int rgbstride, int ystride,
                             int uvstride) {
  for (; height >= 2; height -= 2) {
    ConvertRGBToYUVRow_SSSE3(rgbframe, yplane, uplane, vplane, width);
    rgbframe += rgbstride;
    yplane += ystride;

    ConvertRGBToYUVRow_SSSE3(rgbframe, yplane, NULL, NULL, width);
    rgbframe += rgbstride;
    yplane += ystride;

    uplane += uvstride;
    vplane += uvstride;
  }

  if (height) ConvertRGBToYUVRow_SSSE3(rgbframe, yplane, uplane, vplane, width);
}

}  // namespace media
}  // namespace cobalt