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95 lines
4.0 KiB
C++
95 lines
4.0 KiB
C++
// This file is part of OpenCV project.
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// It is subject to the license terms in the LICENSE file found in the top-level directory
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// of this distribution and at http://opencv.org/license.html.
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// Note: all tests here are DISABLED by default due specific requirements.
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// Don't use #if 0 - these tests should be tested for compilation at least.
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//
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// Usage: opencv_test_videoio --gtest_also_run_disabled_tests --gtest_filter=*VideoIO_Camera*<tested case>*
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#include "test_precomp.hpp"
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namespace opencv_test { namespace {
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static void test_readFrames(/*const*/ VideoCapture& capture, const int N = 100, Mat* lastFrame = NULL)
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{
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Mat frame;
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int64 time0 = cv::getTickCount();
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for (int i = 0; i < N; i++)
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{
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SCOPED_TRACE(cv::format("frame=%d", i));
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capture >> frame;
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ASSERT_FALSE(frame.empty());
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EXPECT_GT(cvtest::norm(frame, NORM_INF), 0) << "Complete black image has been received";
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}
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int64 time1 = cv::getTickCount();
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printf("Processed %d frames on %.2f FPS\n", N, (N * cv::getTickFrequency()) / (time1 - time0 + 1));
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if (lastFrame) *lastFrame = frame.clone();
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}
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TEST(DISABLED_VideoIO_Camera, basic)
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{
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VideoCapture capture(0);
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ASSERT_TRUE(capture.isOpened());
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std::cout << "Camera 0 via " << capture.getBackendName() << " backend" << std::endl;
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std::cout << "Frame width: " << capture.get(CAP_PROP_FRAME_WIDTH) << std::endl;
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std::cout << " height: " << capture.get(CAP_PROP_FRAME_HEIGHT) << std::endl;
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std::cout << "Capturing FPS: " << capture.get(CAP_PROP_FPS) << std::endl;
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test_readFrames(capture);
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capture.release();
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}
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TEST(DISABLED_VideoIO_Camera, validate_V4L2_MJPEG)
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{
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VideoCapture capture(CAP_V4L2);
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ASSERT_TRUE(capture.isOpened());
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ASSERT_TRUE(capture.set(CAP_PROP_FOURCC, VideoWriter::fourcc('M', 'J', 'P', 'G')));
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std::cout << "Camera 0 via " << capture.getBackendName() << " backend" << std::endl;
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std::cout << "Frame width: " << capture.get(CAP_PROP_FRAME_WIDTH) << std::endl;
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std::cout << " height: " << capture.get(CAP_PROP_FRAME_HEIGHT) << std::endl;
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std::cout << "Capturing FPS: " << capture.get(CAP_PROP_FPS) << std::endl;
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int fourcc = (int)capture.get(CAP_PROP_FOURCC);
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std::cout << "FOURCC code: " << cv::format("0x%8x", fourcc) << std::endl;
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test_readFrames(capture);
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capture.release();
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}
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TEST(DISABLED_VideoIO_Camera, validate_V4L2_FrameSize)
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{
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VideoCapture capture(CAP_V4L2);
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ASSERT_TRUE(capture.isOpened());
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std::cout << "Camera 0 via " << capture.getBackendName() << " backend" << std::endl;
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std::cout << "Frame width: " << capture.get(CAP_PROP_FRAME_WIDTH) << std::endl;
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std::cout << " height: " << capture.get(CAP_PROP_FRAME_HEIGHT) << std::endl;
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std::cout << "Capturing FPS: " << capture.get(CAP_PROP_FPS) << std::endl;
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int fourcc = (int)capture.get(CAP_PROP_FOURCC);
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std::cout << "FOURCC code: " << cv::format("0x%8x", fourcc) << std::endl;
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test_readFrames(capture, 30);
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EXPECT_TRUE(capture.set(CAP_PROP_FRAME_WIDTH, 640));
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EXPECT_TRUE(capture.set(CAP_PROP_FRAME_HEIGHT, 480));
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std::cout << "Frame width: " << capture.get(CAP_PROP_FRAME_WIDTH) << std::endl;
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std::cout << " height: " << capture.get(CAP_PROP_FRAME_HEIGHT) << std::endl;
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std::cout << "Capturing FPS: " << capture.get(CAP_PROP_FPS) << std::endl;
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Mat frame640x480;
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test_readFrames(capture, 30, &frame640x480);
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EXPECT_EQ(640, frame640x480.cols);
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EXPECT_EQ(480, frame640x480.rows);
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EXPECT_TRUE(capture.set(CAP_PROP_FRAME_WIDTH, 1280));
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EXPECT_TRUE(capture.set(CAP_PROP_FRAME_HEIGHT, 720));
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std::cout << "Frame width: " << capture.get(CAP_PROP_FRAME_WIDTH) << std::endl;
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std::cout << " height: " << capture.get(CAP_PROP_FRAME_HEIGHT) << std::endl;
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std::cout << "Capturing FPS: " << capture.get(CAP_PROP_FPS) << std::endl;
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Mat frame1280x720;
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test_readFrames(capture, 30, &frame1280x720);
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EXPECT_EQ(1280, frame1280x720.cols);
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EXPECT_EQ(720, frame1280x720.rows);
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capture.release();
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}
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}} // namespace
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