2 * Copyright (c) 2013 The WebRTC project authors. All Rights Reserved.
4 * Use of this source code is governed by a BSD-style license
5 * that can be found in the LICENSE file in the root of the source
6 * tree. An additional intellectual property rights grant can be found
7 * in the file PATENTS. All contributing project authors may
8 * be found in the AUTHORS file in the root of the source tree.
11 // This header file is used only differ_block.h. It defines the SSE2 rountines
12 // for finding block difference.
14 #ifndef WEBRTC_MODULES_DESKTOP_CAPTURE_DIFFER_BLOCK_SSE2_H_
15 #define WEBRTC_MODULES_DESKTOP_CAPTURE_DIFFER_BLOCK_SSE2_H_
21 // Find block difference of dimension 16x16.
22 extern int BlockDifference_SSE2_W16(const uint8_t* image1,
23 const uint8_t* image2,
26 // Find block difference of dimension 32x32.
27 extern int BlockDifference_SSE2_W32(const uint8_t* image1,
28 const uint8_t* image2,
33 #endif // WEBRTC_MODULES_DESKTOP_CAPTURE_DIFFER_BLOCK_SSE2_H_