f4334277
 Hu Chunming
提交3rdparty
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// This file is part of OpenCV project.
// It is subject to the license terms in the LICENSE file found in the top-level directory
// of this distribution and at http://opencv.org/license.html
// Not a standalone header.
#include <opencv2/core/utils/configuration.private.hpp>
namespace opencv_test {
using namespace perf;
static
utils::Paths getTestCameras()
{
static utils::Paths cameras = utils::getConfigurationParameterPaths("OPENCV_TEST_PERF_CAMERA_LIST");
return cameras;
}
PERF_TEST(VideoCapture_Camera, waitAny_V4L)
{
auto cameraNames = getTestCameras();
if (cameraNames.empty())
throw SkipTestException("No list of tested cameras. Use OPENCV_TEST_PERF_CAMERA_LIST parameter");
const int totalFrames = 50; // number of expected frames (summary for all cameras)
const int64 timeoutNS = 100 * 1000000;
const Size frameSize(640, 480);
const int fpsDefaultEven = 30;
const int fpsDefaultOdd = 15;
std::vector<VideoCapture> cameras;
for (size_t i = 0; i < cameraNames.size(); ++i)
{
const auto& name = cameraNames[i];
int fps = (int)utils::getConfigurationParameterSizeT(cv::format("OPENCV_TEST_CAMERA%d_FPS", (int)i).c_str(), (i & 1) ? fpsDefaultOdd : fpsDefaultEven);
std::cout << "Camera[" << i << "] = '" << name << "', fps=" << fps << std::endl;
VideoCapture cap(name, CAP_V4L);
ASSERT_TRUE(cap.isOpened()) << name;
EXPECT_TRUE(cap.set(CAP_PROP_FRAME_WIDTH, frameSize.width)) << name;
EXPECT_TRUE(cap.set(CAP_PROP_FRAME_HEIGHT, frameSize.height)) << name;
EXPECT_TRUE(cap.set(CAP_PROP_FPS, fps)) << name;
//launch cameras
Mat firstFrame;
EXPECT_TRUE(cap.read(firstFrame));
EXPECT_EQ(frameSize.width, firstFrame.cols);
EXPECT_EQ(frameSize.height, firstFrame.rows);
cameras.push_back(cap);
}
TEST_CYCLE()
{
int counter = 0;
std::vector<int> cameraReady;
do
{
EXPECT_TRUE(VideoCapture::waitAny(cameras, cameraReady, timeoutNS));
EXPECT_FALSE(cameraReady.empty());
for (int idx : cameraReady)
{
VideoCapture& c = cameras[idx];
Mat frame;
ASSERT_TRUE(c.retrieve(frame));
EXPECT_EQ(frameSize.width, frame.cols);
EXPECT_EQ(frameSize.height, frame.rows);
++counter;
}
}
while(counter < totalFrames);
}
SANITY_CHECK_NOTHING();
}
} // namespace
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