gecko/gfx/ycbcr/yuv_row.h

46 lines
1.3 KiB
C

// 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.
// TODO(fbarchard): Write function that can handle rotation and scaling.
#ifndef MEDIA_BASE_YUV_ROW_H_
#define MEDIA_BASE_YUV_ROW_H_
#include "chromium_types.h"
extern "C" {
// Can only do 1x.
// This is the second fastest of the scalers.
void FastConvertYUVToRGB32Row(const uint8* y_buf,
const uint8* u_buf,
const uint8* v_buf,
uint8* rgb_buf,
int width);
void FastConvertYUVToRGB32Row_C(const uint8* y_buf,
const uint8* u_buf,
const uint8* v_buf,
uint8* rgb_buf,
int width,
unsigned int x_shift);
} // extern "C"
// x64 uses MMX2 (SSE) so emms is not required.
#if defined(ARCH_CPU_X86)
#if defined(_MSC_VER)
#define EMMS() __asm emms
#else
#define EMMS() asm("emms")
#endif
#else
#define EMMS()
#endif
#endif // MEDIA_BASE_YUV_ROW_H_