Reorganize YUV scalers (Continued)

media/base/yuv_row.h

Index: media/base/yuv_row.h
diff --git a/media/base/yuv_row.h b/media/base/yuv_row.h
deleted file mode 100644
index 9a74d29aafe0c71046ff7eadf8a0d7fe8bcb4789..0000000000000000000000000000000000000000
--- a/media/base/yuv_row.h
+++ /dev/null
@@ -1,126 +0,0 @@
-// Copyright (c) 2010 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 "base/basictypes.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);
-
-// Can do 1x, half size or any scale down by an integer amount.
-// Step can be negative (mirroring, rotate 180).
-// This is the third fastest of the scalers.
-void ConvertYUVToRGB32Row(const uint8* y_buf,
-                          const uint8* u_buf,
-                          const uint8* v_buf,
-                          uint8* rgb_buf,
-                          int width,
-                          int step);
-
-// Rotate is like Convert, but applies different step to Y versus U and V.
-// This allows rotation by 90 or 270, by stepping by stride.
-// This is the forth fastest of the scalers.
-void RotateConvertYUVToRGB32Row(const uint8* y_buf,
-                                const uint8* u_buf,
-                                const uint8* v_buf,
-                                uint8* rgb_buf,
-                                int width,
-                                int ystep,
-                                int uvstep);
-
-// Doubler does 4 pixels at a time.  Each pixel is replicated.
-// This is the fastest of the scalers.
-void DoubleYUVToRGB32Row(const uint8* y_buf,
-                         const uint8* u_buf,
-                         const uint8* v_buf,
-                         uint8* rgb_buf,
-                         int width);
-
-// Handles arbitrary scaling up or down.
-// Mirroring is supported, but not 90 or 270 degree rotation.
-// Chroma is under sampled every 2 pixels for performance.
-void ScaleYUVToRGB32Row(const uint8* y_buf,
-                        const uint8* u_buf,
-                        const uint8* v_buf,
-                        uint8* rgb_buf,
-                        int width,
-                        int source_dx);
-
-// Handles arbitrary scaling up or down with bilinear filtering.
-// Mirroring is supported, but not 90 or 270 degree rotation.
-// Chroma is under sampled every 2 pixels for performance.
-// This is the slowest of the scalers.
-void LinearScaleYUVToRGB32Row(const uint8* y_buf,
-                              const uint8* u_buf,
-                              const uint8* v_buf,
-                              uint8* rgb_buf,
-                              int width,
-                              int source_dx);
-
-void FastConvertRGB32ToYUVRow(const uint8* rgb_buf_1,
-                              const uint8* rgb_buf_2,
-                              uint8* y_buf_1,
-                              uint8* y_buf_2,
-                              uint8* u_buf,
-                              uint8* v_buf,
-                              int width);
-
-#if defined(_MSC_VER)
-#define SIMD_ALIGNED(var) __declspec(align(16)) var
-#else
-#define SIMD_ALIGNED(var) var __attribute__((aligned(16)))
-#endif
-extern SIMD_ALIGNED(int16 kCoefficientsRgbY[768][4]);
-
-// Method to force C version.
-//#define USE_MMX 0
-//#define USE_SSE2 0
-
-#if !defined(USE_MMX)
-// Windows, Mac and Linux/BSD use MMX
-#if defined(__MMX__) || defined(_MSC_VER)
-#define USE_MMX 1
-#else
-#define USE_MMX 0
-#endif
-#endif
-
-#if !defined(USE_SSE2)
-#if defined(__SSE2__) || defined(ARCH_CPU_X86_64) || _M_IX86_FP==2
-#define USE_SSE2 1
-#else
-#define USE_SSE2 0
-#endif
-#endif
-
-// x64 uses MMX2 (SSE) so emms is not required.
-// Warning C4799: function has no EMMS instruction.
-// EMMS() is slow and should be called by the calling function once per image.
-#if USE_MMX && !defined(ARCH_CPU_X86_64)
-#if defined(_MSC_VER)
-#define EMMS() __asm emms
-#pragma warning(disable: 4799)
-#else
-#define EMMS() asm("emms")
-#endif
-#else
-#define EMMS()
-#endif
-
-}  // extern "C"
-
-#endif  // MEDIA_BASE_YUV_ROW_H_