Implements RGB to YV12 conversion in YASM.

media/base/simd/convert_rgb_to_yuv_ssse3.h

Index: media/base/simd/convert_rgb_to_yuv_ssse3.h
===================================================================
--- media/base/simd/convert_rgb_to_yuv_ssse3.h	(revision 0)
+++ media/base/simd/convert_rgb_to_yuv_ssse3.h	(revision 0)
@@ -0,0 +1,58 @@
+// Copyright (c) 2011 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_RGB_TO_YUV_SSSE3_H_
+#define MEDIA_BASE_SIMD_CONVERT_RGB_TO_YUV_SSSE3_H_
+
+namespace media {
+namespace simd {
+
+// The header file for ASM functions that convert a row of pixels with SSSE3
+// instructions so we can call them from C++ code. These functions are
+// implemented in "convert_rgb_to_yuv_ssse3.asm".
+
+#ifdef ENABLE_SUBSAMPLING
+// Convert a row of 24-bit RGB pixels to YV12 pixels.
+void ConvertRGBtoYUVEven(const uint8* rgb,

[Alpha Left Google, 2011/09/01 13:24:45]

Add _SSSE3 suffix to these functions.

+                         uint8* y,
+                         uint8* u,
+                         uint8* v,
+                         int width);
+void ConvertRGBtoYUVOdd(const uint8* rgb,
+                        uint8* y,
+                        uint8* u,
+                        uint8* v,
+                        int width);
+
+// Convert a row of 32-bit RGB pixels to YV12 pixels.
+void ConvertARGBtoYUVEven(const uint8* argb,
+                          uint8* y,
+                          uint8* u,
+                          uint8* v,
+                          int width);
+void ConvertARGBtoYUVOdd(const uint8* argb,
+                         uint8* y,
+                         uint8* u,
+                         uint8* v,
+                         int width);
+#else
+// Convert a row of 24-bit RGB pixels to YV12 pixels.
+void ConvertRGBtoYUVRow(const uint8* rgb,
+                        uint8* y,
+                        uint8* u,
+                        uint8* v,
+                        int width);
+
+// Convert a row of 32-bit RGB pixels to YV12 pixels.
+void ConvertARGBtoYUVRow(const uint8* argb,
+                         uint8* y,
+                         uint8* u,
+                         uint8* v,
+                         int width);
+#endif
+
+}  // namespace simd
+}  // namespace media
+
+#endif  // MEDIA_BASE_SIMD_CONVERT_RGB_TO_YUV_SSSE3_H_
Property changes on: media\base\simd\convert_rgb_to_yuv_ssse3.h
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Added: svn:eol-style
   + LF