remoting/host/differ_block.h - Issue 11470028: Move screen capturers to remoting/capturer.

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Side by Side Diff: remoting/host/differ_block.h

Issue 11470028: Move screen capturers to remoting/capturer. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src

Patch Set: Created 8 years ago

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1 // Copyright (c) 2011 The Chromium Authors. All rights reserved.

2 // Use of this source code is governed by a BSD-style license that can be

3 // found in the LICENSE file.

4

5 #ifndef REMOTING_HOST_DIFFER_BLOCK_H_

6 #define REMOTING_HOST_DIFFER_BLOCK_H_

7

8 #include "base/basictypes.h"

9

10 namespace remoting {

11

12 // Size (in pixels) of each square block used for diffing.

13 // This must be a multiple of sizeof(uint64)/8.

14 static const int kBlockSize = 32;

15

16 // Format: BGRA 32 bit.

17 static const int kBytesPerPixel = 4;

18

19 // Low level functions to compare 2 blocks of pixels.

20 // zero means the blocks are identical.

21 // one means the blocks are different.

22 int BlockDifference(const uint8* image1, const uint8* image2, int stride);

23

24 } // namespace remoting

25

26 #endif // REMOTING_HOST_DIFFER_BLOCK_H_

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