1 /*
2  *  Copyright (c) 2013 The WebRTC project authors. All Rights Reserved.
3  *
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.
9  */
10 
11 // This header file is used only differ_block.h. It defines the SSE2 rountines
12 // for finding block difference.
13 
14 #ifndef WEBRTC_MODULES_DESKTOP_CAPTURE_DIFFER_BLOCK_SSE2_H_
15 #define WEBRTC_MODULES_DESKTOP_CAPTURE_DIFFER_BLOCK_SSE2_H_
16 
17 #include <stdint.h>
18 
19 namespace webrtc {
20 
21 // Find block difference of dimension 16x16.
22 extern bool BlockDifference_SSE2_W16(const uint8_t* image1,
23                                      const uint8_t* image2,
24                                      int stride);
25 
26 // Find block difference of dimension 32x32.
27 extern bool BlockDifference_SSE2_W32(const uint8_t* image1,
28                                      const uint8_t* image2,
29                                      int stride);
30 
31 }  // namespace webrtc
32 
33 #endif  // WEBRTC_MODULES_DESKTOP_CAPTURE_DIFFER_BLOCK_SSE2_H_
34