Revert of Cleanup: Remove unneeded SSE2 checks and unused code.

media/base/simd/convert_yuv_to_rgb.h

 // 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.
 
 #ifndef MEDIA_BASE_SIMD_CONVERT_YUV_TO_RGB_H_
 #define MEDIA_BASE_SIMD_CONVERT_YUV_TO_RGB_H_
 
 #include "base/basictypes.h"
 #include "media/base/yuv_convert.h"
 
@@ skipping 45 matching lines @@
                                         const uint8* uplane,
                                         const uint8* vplane,
                                         uint8* rgbframe,
                                         int width,
                                         int height,
                                         int ystride,
                                         int uvstride,
                                         int rgbstride,
                                         YUVType yuv_type);
 
+MEDIA_EXPORT void ConvertYUVToRGB32_MMX(const uint8* yplane,
+                                        const uint8* uplane,
+                                        const uint8* vplane,
+                                        uint8* rgbframe,
+                                        int width,
+                                        int height,
+                                        int ystride,
+                                        int uvstride,
+                                        int rgbstride,
+                                        YUVType yuv_type);
+
 MEDIA_EXPORT void ConvertYUVAToARGB_MMX(const uint8* yplane,
                                         const uint8* uplane,
                                         const uint8* vplane,
                                         const uint8* aplane,
                                         uint8* rgbframe,
                                         int width,
                                         int height,
                                         int ystride,
                                         int uvstride,
                                         int avstride,
@@ skipping 32 matching lines @@
 // Assembly functions are declared without namespace.
 extern "C" {
 
 // We use ptrdiff_t instead of int for yasm routine parameters to portably
 // sign-extend int. On Win64, MSVC does not sign-extend the value in the stack
 // home of int function parameters, and yasm routines are unaware of this lack
 // of extension and fault.  ptrdiff_t is portably sign-extended and fixes this
 // issue on at least Win64.  The C-equivalent RowProc versions' prototypes
 // include the same change to ptrdiff_t to reuse the typedefs.
 
+MEDIA_EXPORT void ConvertYUVToRGB32Row_MMX(const uint8* yplane,
+                                           const uint8* uplane,
+                                           const uint8* vplane,
+                                           uint8* rgbframe,
+                                           ptrdiff_t width,
+                                           const int16 convert_table[1024][4]);
+
 MEDIA_EXPORT void ConvertYUVAToARGBRow_MMX(const uint8* yplane,
                                            const uint8* uplane,
                                            const uint8* vplane,
                                            const uint8* aplane,
                                            uint8* rgbframe,
                                            ptrdiff_t width,
                                            const int16 convert_table[1024][4]);
 
 MEDIA_EXPORT void ConvertYUVToRGB32Row_SSE(const uint8* yplane,
                                            const uint8* uplane,
                                            const uint8* vplane,
                                            uint8* rgbframe,
                                            ptrdiff_t width,
                                            const int16 convert_table[1024][4]);
 
+MEDIA_EXPORT void ScaleYUVToRGB32Row_MMX(const uint8* y_buf,
+                                         const uint8* u_buf,
+                                         const uint8* v_buf,
+                                         uint8* rgb_buf,
+                                         ptrdiff_t width,
+                                         ptrdiff_t source_dx,
+                                         const int16 convert_table[1024][4]);
+
 MEDIA_EXPORT void ScaleYUVToRGB32Row_SSE(const uint8* y_buf,
                                          const uint8* u_buf,
                                          const uint8* v_buf,
                                          uint8* rgb_buf,
                                          ptrdiff_t width,
                                          ptrdiff_t source_dx,
                                          const int16 convert_table[1024][4]);
 
 MEDIA_EXPORT void ScaleYUVToRGB32Row_SSE2_X64(
     const uint8* y_buf,
     const uint8* u_buf,
     const uint8* v_buf,
     uint8* rgb_buf,
     ptrdiff_t width,
     ptrdiff_t source_dx,
     const int16 convert_table[1024][4]);
 
+MEDIA_EXPORT void LinearScaleYUVToRGB32Row_MMX(
+    const uint8* y_buf,
+    const uint8* u_buf,
+    const uint8* v_buf,
+    uint8* rgb_buf,
+    ptrdiff_t width,
+    ptrdiff_t source_dx,
+    const int16 convert_table[1024][4]);
+
 MEDIA_EXPORT void LinearScaleYUVToRGB32Row_SSE(
     const uint8* y_buf,
     const uint8* u_buf,
     const uint8* v_buf,
     uint8* rgb_buf,
     ptrdiff_t width,
     ptrdiff_t source_dx,
     const int16 convert_table[1024][4]);
 
 MEDIA_EXPORT void LinearScaleYUVToRGB32Row_MMX_X64(
     const uint8* y_buf,
     const uint8* u_buf,
     const uint8* v_buf,
     uint8* rgb_buf,
     ptrdiff_t width,
     ptrdiff_t source_dx,
     const int16 convert_table[1024][4]);
 
 }  // extern "C"
 
 #endif  // MEDIA_BASE_SIMD_CONVERT_YUV_TO_RGB_H_