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
19namespace webrtc {
20
21// Find block difference of dimension 16x16.
22extern int BlockDifference_SSE2_W16(const uint8_t* image1,
23                                    const uint8_t* image2,
24                                    int stride);
25
26// Find block difference of dimension 32x32.
27extern int 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