92ea95e34a
In https://webrtc-review.googlesource.com/c/src/+/1560 we moved WebRTC from src/webrtc to src/ (in order to preserve an healthy git history). This CL takes care of fixing header guards, #include paths, etc... NOPRESUBMIT=true NOTREECHECKS=true NOTRY=true TBR=tommi@webrtc.org Bug: chromium:611808 Change-Id: Iea91618212bee0af16aa3f05071eab8f93706578 Reviewed-on: https://webrtc-review.googlesource.com/1561 Reviewed-by: Mirko Bonadei <mbonadei@webrtc.org> Reviewed-by: Henrik Kjellander <kjellander@webrtc.org> Commit-Queue: Mirko Bonadei <mbonadei@webrtc.org> Cr-Commit-Position: refs/heads/master@{#19846}
87 lines
2.4 KiB
C++
87 lines
2.4 KiB
C++
/*
|
|
* Copyright (c) 2013 The WebRTC project authors. All Rights Reserved.
|
|
*
|
|
* Use of this source code is governed by a BSD-style license
|
|
* that can be found in the LICENSE file in the root of the source
|
|
* tree. An additional intellectual property rights grant can be found
|
|
* in the file PATENTS. All contributing project authors may
|
|
* be found in the AUTHORS file in the root of the source tree.
|
|
*/
|
|
|
|
#include "modules/desktop_capture/differ_block.h"
|
|
#include "test/gmock.h"
|
|
|
|
namespace webrtc {
|
|
|
|
// Run 900 times to mimic 1280x720.
|
|
// TODO(fbarchard): Remove benchmark once performance is non-issue.
|
|
static const int kTimesToRun = 900;
|
|
|
|
static void GenerateData(uint8_t* data, int size) {
|
|
for (int i = 0; i < size; ++i) {
|
|
data[i] = i;
|
|
}
|
|
}
|
|
|
|
// Memory buffer large enough for 2 blocks aligned to 16 bytes.
|
|
static const int kSizeOfBlock = kBlockSize * kBlockSize * kBytesPerPixel;
|
|
uint8_t block_buffer[kSizeOfBlock * 2 + 16];
|
|
|
|
void PrepareBuffers(uint8_t* &block1, uint8_t* &block2) {
|
|
block1 = reinterpret_cast<uint8_t*>
|
|
((reinterpret_cast<uintptr_t>(&block_buffer[0]) + 15) & ~15);
|
|
GenerateData(block1, kSizeOfBlock);
|
|
block2 = block1 + kSizeOfBlock;
|
|
memcpy(block2, block1, kSizeOfBlock);
|
|
}
|
|
|
|
TEST(BlockDifferenceTestSame, BlockDifference) {
|
|
uint8_t* block1;
|
|
uint8_t* block2;
|
|
PrepareBuffers(block1, block2);
|
|
|
|
// These blocks should match.
|
|
for (int i = 0; i < kTimesToRun; ++i) {
|
|
int result = BlockDifference(block1, block2, kBlockSize * kBytesPerPixel);
|
|
EXPECT_EQ(0, result);
|
|
}
|
|
}
|
|
|
|
TEST(BlockDifferenceTestLast, BlockDifference) {
|
|
uint8_t* block1;
|
|
uint8_t* block2;
|
|
PrepareBuffers(block1, block2);
|
|
block2[kSizeOfBlock-2] += 1;
|
|
|
|
for (int i = 0; i < kTimesToRun; ++i) {
|
|
int result = BlockDifference(block1, block2, kBlockSize * kBytesPerPixel);
|
|
EXPECT_EQ(1, result);
|
|
}
|
|
}
|
|
|
|
TEST(BlockDifferenceTestMid, BlockDifference) {
|
|
uint8_t* block1;
|
|
uint8_t* block2;
|
|
PrepareBuffers(block1, block2);
|
|
block2[kSizeOfBlock/2+1] += 1;
|
|
|
|
for (int i = 0; i < kTimesToRun; ++i) {
|
|
int result = BlockDifference(block1, block2, kBlockSize * kBytesPerPixel);
|
|
EXPECT_EQ(1, result);
|
|
}
|
|
}
|
|
|
|
TEST(BlockDifferenceTestFirst, BlockDifference) {
|
|
uint8_t* block1;
|
|
uint8_t* block2;
|
|
PrepareBuffers(block1, block2);
|
|
block2[0] += 1;
|
|
|
|
for (int i = 0; i < kTimesToRun; ++i) {
|
|
int result = BlockDifference(block1, block2, kBlockSize * kBytesPerPixel);
|
|
EXPECT_EQ(1, result);
|
|
}
|
|
}
|
|
|
|
} // namespace webrtc
|