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// Copyright (c) 2009 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.
// yuv_row internal functions to handle YUV conversion and scaling to RGB.
// These functions are used from both yuv_convert.cc and yuv_scale.cc.
#ifndef MEDIA_BASE_YUV_ROW_H_
#define MEDIA_BASE_YUV_ROW_H_
#include "base/basictypes.h"
namespace media {
void ConvertYV12ToRGB32Row(const uint8* y_buf,
const uint8* u_buf,
const uint8* v_buf,
uint8* rgb_buf,
int width);
void HalfYV12ToRGB32Row(const uint8* y_buf,
const uint8* u_buf,
const uint8* v_buf,
uint8* rgb_buf,
int width);
void ScaleYV12ToRGB32Row(const uint8* y_buf,
const uint8* u_buf,
const uint8* v_buf,
uint8* rgb_buf,
int width,
int scaled_dx);
void Half2Row(const uint8* in_row0,
const uint8* in_row1,
uint8* out_row,
int out_width);
// MMX for Windows
// C++ code provided as a fall back.
#ifndef USE_MMX
#if defined(_MSC_VER)
#define USE_MMX 1
#else
#define USE_MMX 0
#endif
#endif
#if USE_MMX
#if defined(_MSC_VER)
#define EMMS() __asm emms
#else
#define EMMS() asm("emms")
#endif
#else
#define EMMS()
#endif
} // namespace media
#endif // MEDIA_BASE_YUV_ROW_H_
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