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46 lines
1.3 KiB
C
46 lines
1.3 KiB
C
// Copyright (c) 2009 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// yuv_row internal functions to handle YUV conversion and scaling to RGB.
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// These functions are used from both yuv_convert.cc and yuv_scale.cc.
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// TODO(fbarchard): Write function that can handle rotation and scaling.
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#ifndef MEDIA_BASE_YUV_ROW_H_
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#define MEDIA_BASE_YUV_ROW_H_
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#include "chromium_types.h"
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extern "C" {
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// Can only do 1x.
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// This is the second fastest of the scalers.
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void FastConvertYUVToRGB32Row(const uint8* y_buf,
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const uint8* u_buf,
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const uint8* v_buf,
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uint8* rgb_buf,
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int width);
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void FastConvertYUVToRGB32Row_C(const uint8* y_buf,
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const uint8* u_buf,
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const uint8* v_buf,
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uint8* rgb_buf,
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int width,
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unsigned int x_shift);
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} // extern "C"
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// x64 uses MMX2 (SSE) so emms is not required.
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#if defined(ARCH_CPU_X86)
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#if defined(_MSC_VER)
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#define EMMS() __asm emms
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#else
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#define EMMS() asm("emms")
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#endif
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#else
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#define EMMS()
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#endif
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#endif // MEDIA_BASE_YUV_ROW_H_
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