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282 lines
11 KiB
C++
282 lines
11 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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#include <opencv2/core/utils/configuration.private.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, bool testTimestamps = true)
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{
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Mat frame;
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int64 time0 = cv::getTickCount();
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int64 sysTimePrev = time0;
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const double cvTickFreq = cv::getTickFrequency();
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double camTimePrev = 0.0;
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const double fps = capture.get(cv::CAP_PROP_FPS);
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const double framePeriod = fps == 0.0 ? 1. : 1.0 / fps;
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const bool validTickAndFps = cvTickFreq != 0 && fps != 0.;
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testTimestamps &= validTickAndFps;
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double frame0ts = 0;
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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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const int64 sysTimeCurr = cv::getTickCount();
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double camTimeCurr = capture.get(cv::CAP_PROP_POS_MSEC);
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if (i == 0)
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frame0ts = camTimeCurr;
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camTimeCurr -= frame0ts; // normalized timestamp based on the first frame
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if (cvtest::debugLevel > 0)
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{
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std::cout << i << ": " << camTimeCurr << std::endl;
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}
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// Do we have a previous frame?
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if (i > 0 && testTimestamps)
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{
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const double sysTimeElapsedSecs = (sysTimeCurr - sysTimePrev) / cvTickFreq;
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const double camTimeElapsedSecs = (camTimeCurr - camTimePrev) / 1000.;
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// Check that the time between two camera frames and two system time calls
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// are within 1.5 frame periods of one another.
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//
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// 1.5x is chosen to accomodate for a dropped frame, and an additional 50%
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// to account for drift in the scale of the camera and system time domains.
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EXPECT_NEAR(sysTimeElapsedSecs, camTimeElapsedSecs, framePeriod * 1.5);
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}
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EXPECT_GT(cvtest::norm(frame, NORM_INF), 0) << "Complete black image has been received";
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sysTimePrev = sysTimeCurr;
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camTimePrev = camTimeCurr;
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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 * cvTickFreq) / (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 that CAP_PROP_CONVERT_RGB remain to false (default is true) after other supported property are set.
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// The test use odd value to be almost sure to trigger code responsible for recreating the device.
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TEST(DISABLED_videoio_camera, dshow_convert_rgb_persistency)
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{
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VideoCapture capture(CAP_DSHOW);
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ASSERT_TRUE(capture.isOpened());
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ASSERT_TRUE(capture.set(CAP_PROP_CONVERT_RGB, 0));
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ASSERT_DOUBLE_EQ(capture.get(CAP_PROP_CONVERT_RGB), 0);
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capture.set(CAP_PROP_FRAME_WIDTH, 641);
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capture.set(CAP_PROP_FRAME_HEIGHT, 481);
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capture.set(CAP_PROP_FPS, 31);
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capture.set(CAP_PROP_CHANNEL, 1);
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capture.set(cv::CAP_PROP_FOURCC, cv::VideoWriter::fourcc('Y', '1', '6', ' '));
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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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ASSERT_DOUBLE_EQ(capture.get(CAP_PROP_CONVERT_RGB), 0);
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capture.release();
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}
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TEST(DISABLED_videoio_camera, v4l_read_mjpg)
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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, v4l_open_mjpg)
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{
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VideoCapture capture;
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capture.open(0, CAP_V4L2, {
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CAP_PROP_FOURCC, VideoWriter::fourcc('M', 'J', 'P', 'G')
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});
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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);
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capture.release();
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}
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TEST(DISABLED_videoio_camera, v4l_open_mjpg_1280x720)
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{
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VideoCapture capture(0, CAP_V4L2, {
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CAP_PROP_FOURCC, VideoWriter::fourcc('M', 'J', 'P', 'G'),
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CAP_PROP_FRAME_WIDTH, 1280,
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CAP_PROP_FRAME_HEIGHT, 720,
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});
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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);
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capture.release();
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}
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//Following test if for capture device using PhysConn_Video_SerialDigital as crossbar input pin
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TEST(DISABLED_videoio_camera, channel6)
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{
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VideoCapture capture(0);
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ASSERT_TRUE(capture.isOpened());
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capture.set(CAP_PROP_CHANNEL, 6);
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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, v4l_read_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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static
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utils::Paths getTestCameras()
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{
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static utils::Paths cameras = utils::getConfigurationParameterPaths("OPENCV_TEST_CAMERA_LIST");
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return cameras;
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}
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TEST(DISABLED_videoio_camera, waitAny_V4L)
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{
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auto cameraNames = getTestCameras();
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if (cameraNames.empty())
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throw SkipTestException("No list of tested cameras. Use OPENCV_TEST_CAMERA_LIST parameter");
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const int totalFrames = 50; // number of expected frames (summary for all cameras)
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const int64 timeoutNS = 100 * 1000000;
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const Size frameSize(640, 480);
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const int fpsDefaultEven = 30;
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const int fpsDefaultOdd = 15;
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std::vector<VideoCapture> cameras;
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for (size_t i = 0; i < cameraNames.size(); ++i)
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{
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const auto& name = cameraNames[i];
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int fps = (int)utils::getConfigurationParameterSizeT(cv::format("OPENCV_TEST_CAMERA%d_FPS", (int)i).c_str(), (i & 1) ? fpsDefaultOdd : fpsDefaultEven);
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std::cout << "Camera[" << i << "] = '" << name << "', fps=" << fps << std::endl;
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VideoCapture cap(name, CAP_V4L);
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ASSERT_TRUE(cap.isOpened()) << name;
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EXPECT_TRUE(cap.set(CAP_PROP_FRAME_WIDTH, frameSize.width)) << name;
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EXPECT_TRUE(cap.set(CAP_PROP_FRAME_HEIGHT, frameSize.height)) << name;
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EXPECT_TRUE(cap.set(CAP_PROP_FPS, fps)) << name;
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//launch cameras
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Mat firstFrame;
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EXPECT_TRUE(cap.read(firstFrame));
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EXPECT_EQ(frameSize.width, firstFrame.cols);
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EXPECT_EQ(frameSize.height, firstFrame.rows);
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cameras.push_back(cap);
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}
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std::vector<size_t> frameFromCamera(cameraNames.size(), 0);
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{
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int counter = 0;
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std::vector<int> cameraReady;
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do
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{
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EXPECT_TRUE(VideoCapture::waitAny(cameras, cameraReady, timeoutNS));
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EXPECT_FALSE(cameraReady.empty());
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for (int idx : cameraReady)
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{
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//std::cout << "Reading frame from camera: " << idx << std::endl;
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ASSERT_TRUE(idx >= 0 && (size_t)idx < cameras.size()) << idx;
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VideoCapture& c = cameras[idx];
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Mat frame;
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#if 1
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ASSERT_TRUE(c.retrieve(frame)) << idx;
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#else
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ASSERT_TRUE(c.read(frame)) << idx;
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#endif
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EXPECT_EQ(frameSize.width, frame.cols) << idx;
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EXPECT_EQ(frameSize.height, frame.rows) << idx;
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++frameFromCamera[idx];
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++counter;
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}
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}
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while(counter < totalFrames);
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}
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for (size_t i = 0; i < cameraNames.size(); ++i)
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{
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EXPECT_GT(frameFromCamera[i], (size_t)0) << i;
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}
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}
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}} // namespace
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