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Diffstat (limited to 'media/base/simd/convert_rgb_to_yuv_ssse3.cc')
-rw-r--r--media/base/simd/convert_rgb_to_yuv_ssse3.cc101
1 files changed, 101 insertions, 0 deletions
diff --git a/media/base/simd/convert_rgb_to_yuv_ssse3.cc b/media/base/simd/convert_rgb_to_yuv_ssse3.cc
new file mode 100644
index 0000000..2bd6930
--- /dev/null
+++ b/media/base/simd/convert_rgb_to_yuv_ssse3.cc
@@ -0,0 +1,101 @@
+// 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.
+
+#include "media/base/simd/convert_rgb_to_yuv.h"
+
+#include "build/build_config.h"
+#include "media/base/cpu_features.h"
+#include "media/base/simd/convert_rgb_to_yuv_ssse3.h"
+
+namespace media {
+
+void ConvertRGB32ToYUV_SSSE3(const uint8* rgbframe,
+ uint8* yplane,
+ uint8* uplane,
+ uint8* vplane,
+ int width,
+ int height,
+ int rgbstride,
+ int ystride,
+ int uvstride) {
+#ifdef ENABLE_SUBSAMPLING
+ for (; height >= 2; height -= 2) {
+ ConvertARGBToYUVEven_SSSE3(rgbframe, yplane, uplane, vplane, width);
+ rgbframe += rgbstride;
+ yplane += ystride;
+
+ ConvertARGBToYUVOdd_SSSE3(rgbframe, yplane, uplane, vplane, width);
+ rgbframe += rgbstride;
+ yplane += ystride;
+
+ uplane += uvstride;
+ vplane += uvstride;
+ }
+
+ if (height)
+ ConvertARGBToYUVEven_SSSE3(rgbframe, yplane, uplane, vplane, width);
+#else
+ for (; height >= 2; height -= 2) {
+ ConvertARGBToYUVRow_SSSE3(rgbframe, yplane, uplane, vplane, width);
+ rgbframe += rgbstride;
+ yplane += ystride;
+
+ ConvertARGBToYUVRow_SSSE3(rgbframe, yplane, NULL, NULL, width);
+ rgbframe += rgbstride;
+ yplane += ystride;
+
+ uplane += uvstride;
+ vplane += uvstride;
+ }
+
+ if (height)
+ ConvertARGBToYUVRow_SSSE3(rgbframe, yplane, uplane, vplane, width);
+#endif
+}
+
+void ConvertRGB24ToYUV_SSSE3(const uint8* rgbframe,
+ uint8* yplane,
+ uint8* uplane,
+ uint8* vplane,
+ int width,
+ int height,
+ int rgbstride,
+ int ystride,
+ int uvstride) {
+#ifdef ENABLE_SUBSAMPLING
+ for (; height >= 2; height -= 2) {
+ ConvertRGBToYUVEven_SSSE3(rgbframe, yplane, uplane, vplane, width);
+ rgbframe += rgbstride;
+ yplane += ystride;
+
+ ConvertRGBToYUVOdd_SSSE3(rgbframe, yplane, uplane, vplane, width);
+ rgbframe += rgbstride;
+ yplane += ystride;
+
+ uplane += uvstride;
+ vplane += uvstride;
+ }
+
+ if (height)
+ ConvertRGBToYUVEven_SSSE3(rgbframe, yplane, uplane, vplane, width);
+#else
+ for (; height >= 2; height -= 2) {
+ ConvertRGBToYUVRow_SSSE3(rgbframe, yplane, uplane, vplane, width);
+ rgbframe += rgbstride;
+ yplane += ystride;
+
+ ConvertRGBToYUVRow_SSSE3(rgbframe, yplane, NULL, NULL, width);
+ rgbframe += rgbstride;
+ yplane += ystride;
+
+ uplane += uvstride;
+ vplane += uvstride;
+ }
+
+ if (height)
+ ConvertRGBToYUVRow_SSSE3(rgbframe, yplane, uplane, vplane, width);
+#endif
+}
+
+} // namespace media