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852 lines
34 KiB
C++
852 lines
34 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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#include "test_precomp.hpp"
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using namespace std;
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namespace opencv_test { namespace {
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static inline long long getFileSize(const string &filename)
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{
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ifstream f(filename, ios_base::in | ios_base::binary);
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f.seekg(0, ios_base::end);
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return f.tellg();
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}
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typedef tuple<string, string, Size> FourCC_Ext_Size;
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typedef testing::TestWithParam< FourCC_Ext_Size > videoio_ffmpeg;
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TEST_P(videoio_ffmpeg, write_big)
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{
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if (!videoio_registry::hasBackend(CAP_FFMPEG))
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throw SkipTestException("FFmpeg backend was not found");
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const string fourcc = get<0>(GetParam());
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const string ext = get<1>(GetParam());
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const Size sz = get<2>(GetParam());
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const double time_sec = 1;
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const double fps = 25;
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ostringstream buf;
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buf << "write_big_" << fourcc << "." << ext;
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const string filename = tempfile(buf.str().c_str());
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VideoWriter writer(filename, CAP_FFMPEG, fourccFromString(fourcc), fps, sz);
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if (ext == "mp4" && fourcc == "H264" && !writer.isOpened())
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{
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throw cvtest::SkipTestException("H264/mp4 codec is not supported - SKIP");
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}
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ASSERT_TRUE(writer.isOpened());
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Mat img(sz, CV_8UC3, Scalar::all(0));
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const int coeff = cvRound(min(sz.width, sz.height)/(fps * time_sec));
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for (int i = 0 ; i < static_cast<int>(fps * time_sec); i++ )
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{
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rectangle(img,
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Point2i(coeff * i, coeff * i),
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Point2i(coeff * (i + 1), coeff * (i + 1)),
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Scalar::all(255 * (1.0 - static_cast<double>(i) / (fps * time_sec * 2))),
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-1);
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writer << img;
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}
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writer.release();
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EXPECT_GT(getFileSize(filename), 8192);
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remove(filename.c_str());
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}
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#if defined(OPENCV_32BIT_CONFIGURATION)
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static const Size bigSize(1920, 1080);
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#else
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static const Size bigSize(4096, 4096);
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#endif
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const FourCC_Ext_Size entries[] =
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{
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make_tuple("", "avi", bigSize),
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make_tuple("DX50", "avi", bigSize),
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make_tuple("FLV1", "avi", bigSize),
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make_tuple("H261", "avi", Size(352, 288)),
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make_tuple("H263", "avi", Size(704, 576)),
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make_tuple("I420", "avi", bigSize),
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make_tuple("MJPG", "avi", bigSize),
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make_tuple("mp4v", "avi", bigSize),
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make_tuple("MPEG", "avi", Size(720, 576)),
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make_tuple("XVID", "avi", bigSize),
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make_tuple("H264", "mp4", Size(4096, 2160)),
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make_tuple("FFV1", "avi", bigSize),
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make_tuple("FFV1", "mkv", bigSize)
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};
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INSTANTIATE_TEST_CASE_P(videoio, videoio_ffmpeg, testing::ValuesIn(entries));
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//==========================================================================
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TEST(videoio_ffmpeg, image)
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{
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if (!videoio_registry::hasBackend(CAP_FFMPEG))
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throw SkipTestException("FFmpeg backend was not found");
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const string filename = findDataFile("readwrite/ordinary.bmp");
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Mat image = imread(filename, IMREAD_COLOR);
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ASSERT_FALSE(image.empty());
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VideoCapture cap(filename, CAP_FFMPEG);
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ASSERT_TRUE(cap.isOpened());
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Mat frame1, frame2;
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cap >> frame1 >> frame2;
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ASSERT_FALSE(frame1.empty());
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ASSERT_TRUE(frame2.empty());
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ASSERT_EQ(0, cvtest::norm(image, frame1, NORM_INF));
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}
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//==========================================================================
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typedef tuple<string, int, bool> videoio_read_params_t;
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typedef testing::TestWithParam< testing::tuple<videoio_read_params_t, int, bool>> videoio_read;
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TEST_P(videoio_read, threads)
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{
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const VideoCaptureAPIs api = CAP_FFMPEG;
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if (!videoio_registry::hasBackend(api))
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throw SkipTestException("Backend was not found");
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const string fileName = get<0>(get<0>(GetParam()));
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const int nFrames = get<1>(get<0>(GetParam()));
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const bool fixedThreadCount = get<2>(get<0>(GetParam()));
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const int nThreads = get<1>(GetParam());
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const bool rawRead = get<2>(GetParam());
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VideoCapture cap(findDataFile(fileName), api, { CAP_PROP_N_THREADS, nThreads });
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if (!cap.isOpened())
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throw SkipTestException("Video stream is not supported");
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if (nThreads == 0 || fixedThreadCount)
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EXPECT_EQ(cap.get(CAP_PROP_N_THREADS), VideoCapture(findDataFile(fileName), api).get(CAP_PROP_N_THREADS));
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else
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EXPECT_EQ(cap.get(CAP_PROP_N_THREADS), nThreads);
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if (rawRead && !cap.set(CAP_PROP_FORMAT, -1)) // turn off video decoder (extract stream)
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throw SkipTestException("Fetching of RAW video streams is not supported");
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Mat frame;
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int n = 0;
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while (cap.read(frame)) {
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ASSERT_FALSE(frame.empty());
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n++;
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}
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ASSERT_EQ(n, nFrames);
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}
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const videoio_read_params_t videoio_read_params[] =
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{
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videoio_read_params_t("video/big_buck_bunny.h264", 125, false),
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//videoio_read_params_t("video/big_buck_bunny.h265", 125, false),
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videoio_read_params_t("video/big_buck_bunny.mjpg.avi", 125, true),
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//videoio_read_params_t("video/big_buck_bunny.mov", 125, false),
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//videoio_read_params_t("video/big_buck_bunny.mp4", 125, false),
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//videoio_read_params_t("video/big_buck_bunny.mpg", 125, false),
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//videoio_read_params_t("video/big_buck_bunny.wmv", 125, true),
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};
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INSTANTIATE_TEST_CASE_P(/**/, videoio_read, testing::Combine(testing::ValuesIn(videoio_read_params),
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testing::Values(0, 1, 2, 50),
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testing::Values(true, false)));
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//==========================================================================
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typedef tuple<VideoCaptureAPIs, string, string, string, string, string> videoio_container_params_t;
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typedef testing::TestWithParam< videoio_container_params_t > videoio_container;
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TEST_P(videoio_container, read)
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{
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const VideoCaptureAPIs api = get<0>(GetParam());
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if (!videoio_registry::hasBackend(api))
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throw SkipTestException("Backend was not found");
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const string path = get<1>(GetParam());
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const string ext = get<2>(GetParam());
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const string ext_raw = get<3>(GetParam());
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const string codec = get<4>(GetParam());
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const string pixelFormat = get<5>(GetParam());
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const string fileName = path + "." + ext;
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const string fileNameOut = tempfile(cv::format("test_container_stream.%s", ext_raw.c_str()).c_str());
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// Write encoded video read using VideoContainer to tmp file
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size_t totalBytes = 0;
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{
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VideoCapture container(findDataFile(fileName), api);
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if (!container.isOpened())
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throw SkipTestException("Video stream is not supported");
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if (!container.set(CAP_PROP_FORMAT, -1)) // turn off video decoder (extract stream)
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throw SkipTestException("Fetching of RAW video streams is not supported");
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ASSERT_EQ(-1.f, container.get(CAP_PROP_FORMAT)); // check
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EXPECT_EQ(codec, fourccToString((int)container.get(CAP_PROP_FOURCC)));
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EXPECT_EQ(pixelFormat, fourccToString((int)container.get(CAP_PROP_CODEC_PIXEL_FORMAT)));
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std::ofstream file(fileNameOut.c_str(), ios::out | ios::trunc | std::ios::binary);
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Mat raw_data;
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while (true)
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{
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container >> raw_data;
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size_t size = raw_data.total();
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if (raw_data.empty())
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break;
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ASSERT_EQ(CV_8UC1, raw_data.type());
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ASSERT_LE(raw_data.dims, 2);
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ASSERT_EQ(raw_data.rows, 1);
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ASSERT_EQ((size_t)raw_data.cols, raw_data.total());
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ASSERT_TRUE(raw_data.isContinuous());
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totalBytes += size;
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file.write(reinterpret_cast<char*>(raw_data.data), size);
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ASSERT_FALSE(file.fail());
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}
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ASSERT_GE(totalBytes, (size_t)39775) << "Encoded stream is too small";
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}
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std::cout << "Checking extracted video stream: " << fileNameOut << " (size: " << totalBytes << " bytes)" << std::endl;
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// Check decoded frames read from original media are equal to frames decoded from tmp file
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{
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VideoCapture capReference(findDataFile(fileName), api);
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ASSERT_TRUE(capReference.isOpened());
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VideoCapture capActual(fileNameOut.c_str(), api);
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ASSERT_TRUE(capActual.isOpened());
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Mat reference, actual;
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int nframes = 0, n_err = 0;
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while (capReference.read(reference) && n_err < 3)
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{
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nframes++;
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ASSERT_TRUE(capActual.read(actual)) << nframes;
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EXPECT_EQ(0, cvtest::norm(actual, reference, NORM_INF)) << "frame=" << nframes << " err=" << ++n_err;
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}
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ASSERT_GT(nframes, 0);
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}
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ASSERT_EQ(0, remove(fileNameOut.c_str()));
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}
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const videoio_container_params_t videoio_container_params[] =
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{
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videoio_container_params_t(CAP_FFMPEG, "video/big_buck_bunny", "h264", "h264", "h264", "I420"),
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videoio_container_params_t(CAP_FFMPEG, "video/big_buck_bunny", "h265", "h265", "hevc", "I420"),
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videoio_container_params_t(CAP_FFMPEG, "video/big_buck_bunny", "mjpg.avi", "mjpg", "MJPG", "I420"),
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videoio_container_params_t(CAP_FFMPEG, "video/sample_322x242_15frames.yuv420p.libx264", "mp4", "h264", "h264", "I420")
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//videoio_container_params_t(CAP_FFMPEG, "video/big_buck_bunny", "h264.mkv", "mkv.h264", "h264", "I420"),
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//videoio_container_params_t(CAP_FFMPEG, "video/big_buck_bunny", "h265.mkv", "mkv.h265", "hevc", "I420"),
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//videoio_container_params_t(CAP_FFMPEG, "video/big_buck_bunny", "h264.mp4", "mp4.avc1", "avc1", "I420"),
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//videoio_container_params_t(CAP_FFMPEG, "video/big_buck_bunny", "h265.mp4", "mp4.hev1", "hev1", "I420"),
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};
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INSTANTIATE_TEST_CASE_P(/**/, videoio_container, testing::ValuesIn(videoio_container_params));
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typedef tuple<string, string, int, int> videoio_encapsulate_params_t;
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typedef testing::TestWithParam< videoio_encapsulate_params_t > videoio_encapsulate;
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TEST_P(videoio_encapsulate, write)
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{
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const VideoCaptureAPIs api = CAP_FFMPEG;
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if (!videoio_registry::hasBackend(api))
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throw SkipTestException("FFmpeg backend was not found");
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const string fileName = findDataFile(get<0>(GetParam()));
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const string ext = get<1>(GetParam());
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const int idrPeriod = get<2>(GetParam());
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const int nFrames = get<3>(GetParam());
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const string fileNameOut = tempfile(cv::format("test_encapsulated_stream.%s", ext.c_str()).c_str());
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// Use VideoWriter to encapsulate encoded video read with VideoReader
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{
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VideoCapture capRaw(fileName, api, { CAP_PROP_FORMAT, -1 });
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ASSERT_TRUE(capRaw.isOpened());
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const int width = static_cast<int>(capRaw.get(CAP_PROP_FRAME_WIDTH));
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const int height = static_cast<int>(capRaw.get(CAP_PROP_FRAME_HEIGHT));
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const double fps = capRaw.get(CAP_PROP_FPS);
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const int codecExtradataIndex = static_cast<int>(capRaw.get(CAP_PROP_CODEC_EXTRADATA_INDEX));
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Mat extraData;
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capRaw.retrieve(extraData, codecExtradataIndex);
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const int fourcc = static_cast<int>(capRaw.get(CAP_PROP_FOURCC));
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const bool mpeg4 = (fourcc == fourccFromString("FMP4"));
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VideoWriter container(fileNameOut, api, fourcc, fps, { width, height }, { VideoWriterProperties::VIDEOWRITER_PROP_RAW_VIDEO, 1, VideoWriterProperties::VIDEOWRITER_PROP_KEY_INTERVAL, idrPeriod });
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ASSERT_TRUE(container.isOpened());
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Mat rawFrame;
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for (int i = 0; i < nFrames; i++) {
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ASSERT_TRUE(capRaw.read(rawFrame));
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ASSERT_FALSE(rawFrame.empty());
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if (i == 0 && mpeg4) {
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Mat tmp = rawFrame.clone();
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const size_t newSzt = tmp.total() + extraData.total();
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const int newSz = static_cast<int>(newSzt);
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ASSERT_TRUE(newSzt == static_cast<size_t>(newSz));
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rawFrame = Mat(1, newSz, CV_8UC1);
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memcpy(rawFrame.data, extraData.data, extraData.total());
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memcpy(rawFrame.data + extraData.total(), tmp.data, tmp.total());
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}
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container.write(rawFrame);
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}
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container.release();
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}
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std::cout << "Checking encapsulated video container: " << fileNameOut << std::endl;
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// Check encapsulated video container is "identical" to the original
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{
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VideoCapture capReference(fileName), capActual(fileNameOut), capActualRaw(fileNameOut, api, { CAP_PROP_FORMAT, -1 });
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ASSERT_TRUE(capReference.isOpened());
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ASSERT_TRUE(capActual.isOpened());
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ASSERT_TRUE(capActualRaw.isOpened());
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const double fpsReference = capReference.get(CAP_PROP_FPS);
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const double fpsActual = capActual.get(CAP_PROP_FPS);
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ASSERT_NEAR(fpsReference, fpsActual, 1e-2);
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const int nFramesActual = static_cast<int>(capActual.get(CAP_PROP_FRAME_COUNT));
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ASSERT_EQ(nFrames, nFramesActual);
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Mat reference, actual;
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for (int i = 0; i < nFrames; i++) {
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ASSERT_TRUE(capReference.read(reference));
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ASSERT_FALSE(reference.empty());
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ASSERT_TRUE(capActual.read(actual));
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ASSERT_FALSE(actual.empty());
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ASSERT_EQ(0, cvtest::norm(reference, actual, NORM_INF));
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ASSERT_TRUE(capActualRaw.grab());
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const bool keyFrameActual = capActualRaw.get(CAP_PROP_LRF_HAS_KEY_FRAME) == 1.;
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const bool keyFrameReference = idrPeriod ? i % idrPeriod == 0 : 1;
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ASSERT_EQ(keyFrameReference, keyFrameActual);
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}
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}
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ASSERT_EQ(0, remove(fileNameOut.c_str()));
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}
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const videoio_encapsulate_params_t videoio_encapsulate_params[] =
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{
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videoio_encapsulate_params_t("video/big_buck_bunny.h264", "avi", 125, 125),
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videoio_encapsulate_params_t("video/big_buck_bunny.h265", "mp4", 125, 125),
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videoio_encapsulate_params_t("video/big_buck_bunny.wmv", "wmv", 12, 13),
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videoio_encapsulate_params_t("video/big_buck_bunny.mp4", "mp4", 12, 13),
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videoio_encapsulate_params_t("video/big_buck_bunny.mjpg.avi", "mp4", 0, 4),
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videoio_encapsulate_params_t("video/big_buck_bunny.mov", "mp4", 12, 13),
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videoio_encapsulate_params_t("video/big_buck_bunny.avi", "mp4", 125, 125),
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videoio_encapsulate_params_t("video/big_buck_bunny.mpg", "mp4", 12, 13),
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videoio_encapsulate_params_t("video/VID00003-20100701-2204.wmv", "wmv", 12, 13),
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videoio_encapsulate_params_t("video/VID00003-20100701-2204.mpg", "mp4", 12,13),
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videoio_encapsulate_params_t("video/VID00003-20100701-2204.avi", "mp4", 12, 13),
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videoio_encapsulate_params_t("video/VID00003-20100701-2204.3GP", "mp4", 51, 52),
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videoio_encapsulate_params_t("video/sample_sorenson.avi", "mp4", 12, 13),
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videoio_encapsulate_params_t("video/sample_322x242_15frames.yuv420p.libxvid.mp4", "mp4", 3, 4),
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videoio_encapsulate_params_t("video/sample_322x242_15frames.yuv420p.mpeg2video.mp4", "mp4", 12, 13),
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videoio_encapsulate_params_t("video/sample_322x242_15frames.yuv420p.mjpeg.mp4", "mp4", 0, 5),
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videoio_encapsulate_params_t("video/sample_322x242_15frames.yuv420p.libx264.mp4", "avi", 15, 15),
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videoio_encapsulate_params_t("../cv/tracking/faceocc2/data/faceocc2.webm", "webm", 128, 129),
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videoio_encapsulate_params_t("../cv/video/1920x1080.avi", "mp4", 12, 13),
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videoio_encapsulate_params_t("../cv/video/768x576.avi", "avi", 15, 16)
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// Not supported by with FFmpeg:
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//videoio_encapsulate_params_t("video/sample_322x242_15frames.yuv420p.libx265.mp4", "mp4", 15, 15),
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//videoio_encapsulate_params_t("video/sample_322x242_15frames.yuv420p.libvpx-vp9.mp4", "mp4", 15, 15),
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};
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INSTANTIATE_TEST_CASE_P(/**/, videoio_encapsulate, testing::ValuesIn(videoio_encapsulate_params));
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TEST(videoio_encapsulate_set_idr, write)
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{
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const VideoCaptureAPIs api = CAP_FFMPEG;
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if (!videoio_registry::hasBackend(api))
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throw SkipTestException("FFmpeg backend was not found");
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const string fileName = findDataFile("video/big_buck_bunny.mp4");
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const string ext = "mp4";
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const string fileNameOut = tempfile(cv::format("test_encapsulated_stream_set_idr.%s", ext.c_str()).c_str());
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// Use VideoWriter to encapsulate encoded video read with VideoReader
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{
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VideoCapture capRaw(fileName, api, { CAP_PROP_FORMAT, -1 });
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ASSERT_TRUE(capRaw.isOpened());
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const int width = static_cast<int>(capRaw.get(CAP_PROP_FRAME_WIDTH));
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const int height = static_cast<int>(capRaw.get(CAP_PROP_FRAME_HEIGHT));
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const double fps = capRaw.get(CAP_PROP_FPS);
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const int codecExtradataIndex = static_cast<int>(capRaw.get(CAP_PROP_CODEC_EXTRADATA_INDEX));
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Mat extraData;
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capRaw.retrieve(extraData, codecExtradataIndex);
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const int fourcc = static_cast<int>(capRaw.get(CAP_PROP_FOURCC));
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const bool mpeg4 = (fourcc == fourccFromString("FMP4"));
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VideoWriter container(fileNameOut, api, fourcc, fps, { width, height }, { VideoWriterProperties::VIDEOWRITER_PROP_RAW_VIDEO, 1 });
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ASSERT_TRUE(container.isOpened());
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Mat rawFrame;
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int i = 0;
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while (capRaw.read(rawFrame)) {
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ASSERT_FALSE(rawFrame.empty());
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if (i == 0 && mpeg4) {
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Mat tmp = rawFrame.clone();
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const size_t newSzt = tmp.total() + extraData.total();
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const int newSz = static_cast<int>(newSzt);
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ASSERT_TRUE(newSzt == static_cast<size_t>(newSz));
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rawFrame = Mat(1, newSz, CV_8UC1);
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memcpy(rawFrame.data, extraData.data, extraData.total());
|
|
memcpy(rawFrame.data + extraData.total(), tmp.data, tmp.total());
|
|
}
|
|
if (capRaw.get(CAP_PROP_LRF_HAS_KEY_FRAME) != 0)
|
|
container.set(VideoWriterProperties::VIDEOWRITER_PROP_KEY_FLAG, 1);
|
|
else
|
|
container.set(VideoWriterProperties::VIDEOWRITER_PROP_KEY_FLAG, 0);
|
|
container.write(rawFrame);
|
|
i++;
|
|
}
|
|
container.release();
|
|
}
|
|
|
|
std::cout << "Checking encapsulated video container: " << fileNameOut << std::endl;
|
|
|
|
// Check encapsulated video container is "identical" to the original
|
|
{
|
|
VideoCapture capReference(fileName), capReferenceRaw(fileName, api, { CAP_PROP_FORMAT, -1 }), capActual(fileNameOut), capActualRaw(fileNameOut, api, { CAP_PROP_FORMAT, -1 });
|
|
ASSERT_TRUE(capReference.isOpened());
|
|
ASSERT_TRUE(capActual.isOpened());
|
|
ASSERT_TRUE(capReferenceRaw.isOpened());
|
|
ASSERT_TRUE(capActualRaw.isOpened());
|
|
const double fpsReference = capReference.get(CAP_PROP_FPS);
|
|
const double fpsActual = capActual.get(CAP_PROP_FPS);
|
|
ASSERT_EQ(fpsReference, fpsActual);
|
|
const int nFramesReference = static_cast<int>(capReference.get(CAP_PROP_FRAME_COUNT));
|
|
const int nFramesActual = static_cast<int>(capActual.get(CAP_PROP_FRAME_COUNT));
|
|
ASSERT_EQ(nFramesReference, nFramesActual);
|
|
|
|
Mat reference, actual;
|
|
for (int i = 0; i < nFramesReference; i++) {
|
|
ASSERT_TRUE(capReference.read(reference));
|
|
ASSERT_FALSE(reference.empty());
|
|
ASSERT_TRUE(capActual.read(actual));
|
|
ASSERT_FALSE(actual.empty());
|
|
ASSERT_EQ(0, cvtest::norm(reference, actual, NORM_INF));
|
|
ASSERT_TRUE(capReferenceRaw.grab());
|
|
ASSERT_TRUE(capActualRaw.grab());
|
|
const bool keyFrameReference = capActualRaw.get(CAP_PROP_LRF_HAS_KEY_FRAME) == 1.;
|
|
const bool keyFrameActual = capActualRaw.get(CAP_PROP_LRF_HAS_KEY_FRAME) == 1.;
|
|
ASSERT_EQ(keyFrameReference, keyFrameActual);
|
|
}
|
|
}
|
|
|
|
ASSERT_EQ(0, remove(fileNameOut.c_str()));
|
|
}
|
|
|
|
typedef tuple<string, string, int> videoio_skip_params_t;
|
|
typedef testing::TestWithParam< videoio_skip_params_t > videoio_skip;
|
|
|
|
TEST_P(videoio_skip, DISABLED_read) // optional test, may fail in some configurations
|
|
{
|
|
#if CV_VERSION_MAJOR >= 4
|
|
if (!videoio_registry::hasBackend(CAP_FFMPEG))
|
|
throw SkipTestException("Backend was not found");
|
|
#endif
|
|
|
|
const string path = get<0>(GetParam());
|
|
const string env = get<1>(GetParam());
|
|
const int expectedFrameNumber = get<2>(GetParam());
|
|
|
|
#ifdef _WIN32
|
|
_putenv_s("OPENCV_FFMPEG_CAPTURE_OPTIONS", env.c_str());
|
|
#else
|
|
setenv("OPENCV_FFMPEG_CAPTURE_OPTIONS", env.c_str(), 1);
|
|
#endif
|
|
VideoCapture container(findDataFile(path), CAP_FFMPEG);
|
|
#ifdef _WIN32
|
|
_putenv_s("OPENCV_FFMPEG_CAPTURE_OPTIONS", "");
|
|
#else
|
|
setenv("OPENCV_FFMPEG_CAPTURE_OPTIONS", "", 1);
|
|
#endif
|
|
|
|
ASSERT_TRUE(container.isOpened());
|
|
|
|
Mat reference;
|
|
int nframes = 0, n_err = 0;
|
|
while (container.isOpened())
|
|
{
|
|
if (container.read(reference))
|
|
nframes++;
|
|
else if (++n_err > 3)
|
|
break;
|
|
}
|
|
EXPECT_EQ(expectedFrameNumber, nframes);
|
|
}
|
|
|
|
const videoio_skip_params_t videoio_skip_params[] =
|
|
{
|
|
videoio_skip_params_t("video/big_buck_bunny.mp4", "", 125),
|
|
videoio_skip_params_t("video/big_buck_bunny.mp4", "avdiscard;nonkey", 11)
|
|
};
|
|
|
|
INSTANTIATE_TEST_CASE_P(/**/, videoio_skip, testing::ValuesIn(videoio_skip_params));
|
|
|
|
//==========================================================================
|
|
|
|
static void generateFrame(Mat &frame, unsigned int i, const Point ¢er, const Scalar &color)
|
|
{
|
|
frame = Scalar::all(i % 255);
|
|
stringstream buf(ios::out);
|
|
buf << "frame #" << i;
|
|
putText(frame, buf.str(), Point(50, center.y), FONT_HERSHEY_SIMPLEX, 5.0, color, 5, LINE_AA);
|
|
circle(frame, center, i + 2, color, 2, LINE_AA);
|
|
}
|
|
|
|
TEST(videoio_ffmpeg, parallel)
|
|
{
|
|
if (!videoio_registry::hasBackend(CAP_FFMPEG))
|
|
throw SkipTestException("FFmpeg backend was not found");
|
|
|
|
const int NUM = 4;
|
|
const int GRAN = 4;
|
|
const Range R(0, NUM);
|
|
const Size sz(1020, 900);
|
|
const int frameNum = 300;
|
|
const Scalar color(Scalar::all(0));
|
|
const Point center(sz.height / 2, sz.width / 2);
|
|
|
|
// Generate filenames
|
|
vector<string> files;
|
|
for (int i = 0; i < NUM; ++i)
|
|
{
|
|
ostringstream stream;
|
|
stream << i << ".avi";
|
|
files.push_back(tempfile(stream.str().c_str()));
|
|
}
|
|
// Write videos
|
|
{
|
|
vector< Ptr<VideoWriter> > writers(NUM);
|
|
auto makeWriters = [&](const Range &r)
|
|
{
|
|
for (int i = r.start; i != r.end; ++i)
|
|
writers[i] = makePtr<VideoWriter>(files[i],
|
|
CAP_FFMPEG,
|
|
VideoWriter::fourcc('X','V','I','D'),
|
|
25.0f,
|
|
sz);
|
|
};
|
|
parallel_for_(R, makeWriters, GRAN);
|
|
for(int i = 0; i < NUM; ++i)
|
|
{
|
|
ASSERT_TRUE(writers[i]);
|
|
ASSERT_TRUE(writers[i]->isOpened());
|
|
}
|
|
auto writeFrames = [&](const Range &r)
|
|
{
|
|
for (int j = r.start; j < r.end; ++j)
|
|
{
|
|
Mat frame(sz, CV_8UC3);
|
|
for (int i = 0; i < frameNum; ++i)
|
|
{
|
|
generateFrame(frame, i, center, color);
|
|
writers[j]->write(frame);
|
|
}
|
|
}
|
|
};
|
|
parallel_for_(R, writeFrames, GRAN);
|
|
}
|
|
// Read videos
|
|
{
|
|
vector< Ptr<VideoCapture> > readers(NUM);
|
|
auto makeCaptures = [&](const Range &r)
|
|
{
|
|
for (int i = r.start; i != r.end; ++i)
|
|
readers[i] = makePtr<VideoCapture>(files[i], CAP_FFMPEG);
|
|
};
|
|
parallel_for_(R, makeCaptures, GRAN);
|
|
for(int i = 0; i < NUM; ++i)
|
|
{
|
|
ASSERT_TRUE(readers[i]);
|
|
ASSERT_TRUE(readers[i]->isOpened());
|
|
}
|
|
auto readFrames = [&](const Range &r)
|
|
{
|
|
for (int j = r.start; j < r.end; ++j)
|
|
{
|
|
Mat reference(sz, CV_8UC3);
|
|
for (int i = 0; i < frameNum; ++i)
|
|
{
|
|
Mat actual;
|
|
EXPECT_TRUE(readers[j]->read(actual));
|
|
EXPECT_FALSE(actual.empty());
|
|
generateFrame(reference, i, center, color);
|
|
EXPECT_EQ(reference.size(), actual.size());
|
|
EXPECT_EQ(reference.depth(), actual.depth());
|
|
EXPECT_EQ(reference.channels(), actual.channels());
|
|
EXPECT_GE(cvtest::PSNR(actual, reference), 35.0) << "cap" << j << ", frame " << i;
|
|
}
|
|
}
|
|
};
|
|
parallel_for_(R, readFrames, GRAN);
|
|
}
|
|
// Remove files
|
|
for(int i = 0; i < NUM; ++i)
|
|
{
|
|
remove(files[i].c_str());
|
|
}
|
|
}
|
|
|
|
typedef std::pair<VideoCaptureProperties, double> cap_property_t;
|
|
typedef std::vector<cap_property_t> cap_properties_t;
|
|
typedef std::pair<std::string, cap_properties_t> ffmpeg_cap_properties_param_t;
|
|
typedef testing::TestWithParam<ffmpeg_cap_properties_param_t> ffmpeg_cap_properties;
|
|
|
|
TEST_P(ffmpeg_cap_properties, can_read_property)
|
|
{
|
|
if (!videoio_registry::hasBackend(CAP_FFMPEG))
|
|
throw SkipTestException("FFmpeg backend was not found");
|
|
|
|
ffmpeg_cap_properties_param_t parameters = GetParam();
|
|
const std::string path = parameters.first;
|
|
const cap_properties_t properties = parameters.second;
|
|
|
|
VideoCapture cap(findDataFile(path), CAP_FFMPEG);
|
|
ASSERT_TRUE(cap.isOpened()) << "Can not open " << findDataFile(path);
|
|
|
|
for (std::size_t i = 0; i < properties.size(); ++i)
|
|
{
|
|
const cap_property_t& prop = properties[i];
|
|
const double actualValue = cap.get(static_cast<int>(prop.first));
|
|
EXPECT_DOUBLE_EQ(actualValue, prop.second)
|
|
<< "Property " << static_cast<int>(prop.first) << " has wrong value";
|
|
}
|
|
}
|
|
|
|
cap_properties_t loadBigBuckBunnyFFProbeResults() {
|
|
cap_property_t properties[] = { cap_property_t(CAP_PROP_BITRATE, 5851.),
|
|
cap_property_t(CAP_PROP_FPS, 24.),
|
|
cap_property_t(CAP_PROP_FRAME_HEIGHT, 384.),
|
|
cap_property_t(CAP_PROP_FRAME_WIDTH, 672.) };
|
|
return cap_properties_t(properties, properties + sizeof(properties) / sizeof(cap_property_t));
|
|
}
|
|
|
|
const ffmpeg_cap_properties_param_t videoio_ffmpeg_properties[] = {
|
|
ffmpeg_cap_properties_param_t("video/big_buck_bunny.avi", loadBigBuckBunnyFFProbeResults())
|
|
};
|
|
|
|
INSTANTIATE_TEST_CASE_P(videoio, ffmpeg_cap_properties, testing::ValuesIn(videoio_ffmpeg_properties));
|
|
|
|
typedef tuple<string, string> ffmpeg_get_fourcc_param_t;
|
|
typedef testing::TestWithParam<ffmpeg_get_fourcc_param_t> ffmpeg_get_fourcc;
|
|
|
|
TEST_P(ffmpeg_get_fourcc, check_short_codecs)
|
|
{
|
|
const VideoCaptureAPIs api = CAP_FFMPEG;
|
|
if (!videoio_registry::hasBackend(api))
|
|
throw SkipTestException("Backend was not found");
|
|
const string fileName = get<0>(GetParam());
|
|
const string fourcc_string = get<1>(GetParam());
|
|
VideoCapture cap(findDataFile(fileName), api);
|
|
if (!cap.isOpened())
|
|
throw SkipTestException("Video stream is not supported");
|
|
const double fourcc = cap.get(CAP_PROP_FOURCC);
|
|
ASSERT_EQ(fourcc_string, fourccToString((int)fourcc));
|
|
}
|
|
|
|
const ffmpeg_get_fourcc_param_t ffmpeg_get_fourcc_param[] =
|
|
{
|
|
ffmpeg_get_fourcc_param_t("../cv/tracking/faceocc2/data/faceocc2.webm", "VP80"),
|
|
ffmpeg_get_fourcc_param_t("video/big_buck_bunny.h265", "hevc"),
|
|
ffmpeg_get_fourcc_param_t("video/big_buck_bunny.h264", "h264"),
|
|
ffmpeg_get_fourcc_param_t("video/sample_322x242_15frames.yuv420p.libvpx-vp9.mp4", "VP90"),
|
|
ffmpeg_get_fourcc_param_t("video/sample_322x242_15frames.yuv420p.libaom-av1.mp4", "AV01"),
|
|
ffmpeg_get_fourcc_param_t("video/big_buck_bunny.mp4", "FMP4"),
|
|
ffmpeg_get_fourcc_param_t("video/sample_322x242_15frames.yuv420p.mpeg2video.mp4", "mpg2"),
|
|
ffmpeg_get_fourcc_param_t("video/sample_322x242_15frames.yuv420p.mjpeg.mp4", "MJPG"),
|
|
ffmpeg_get_fourcc_param_t("video/sample_322x242_15frames.yuv420p.libxvid.mp4", "FMP4"),
|
|
ffmpeg_get_fourcc_param_t("video/sample_322x242_15frames.yuv420p.libx265.mp4", "hevc"),
|
|
ffmpeg_get_fourcc_param_t("video/sample_322x242_15frames.yuv420p.libx264.mp4", "h264")
|
|
};
|
|
|
|
INSTANTIATE_TEST_CASE_P(videoio, ffmpeg_get_fourcc, testing::ValuesIn(ffmpeg_get_fourcc_param));
|
|
|
|
static void ffmpeg_check_read_raw(VideoCapture& cap)
|
|
{
|
|
ASSERT_TRUE(cap.isOpened()) << "Can't open the video";
|
|
|
|
Mat data;
|
|
cap >> data;
|
|
EXPECT_EQ(CV_8UC1, data.type()) << "CV_8UC1 != " << typeToString(data.type());
|
|
EXPECT_TRUE(data.rows == 1 || data.cols == 1) << data.size;
|
|
EXPECT_EQ((size_t)29729, data.total());
|
|
|
|
cap >> data;
|
|
EXPECT_EQ(CV_8UC1, data.type()) << "CV_8UC1 != " << typeToString(data.type());
|
|
EXPECT_TRUE(data.rows == 1 || data.cols == 1) << data.size;
|
|
EXPECT_EQ((size_t)37118, data.total());
|
|
|
|
// 12 is the nearset key frame to frame 18
|
|
EXPECT_TRUE(cap.set(CAP_PROP_POS_FRAMES, 18.));
|
|
EXPECT_EQ(cap.get(CAP_PROP_POS_FRAMES), 12.);
|
|
cap >> data;
|
|
EXPECT_EQ(CV_8UC1, data.type()) << "CV_8UC1 != " << typeToString(data.type());
|
|
EXPECT_TRUE(data.rows == 1 || data.cols == 1) << data.size;
|
|
EXPECT_EQ((size_t)8726, data.total());
|
|
}
|
|
|
|
TEST(videoio_ffmpeg, ffmpeg_check_extra_data)
|
|
{
|
|
if (!videoio_registry::hasBackend(CAP_FFMPEG))
|
|
throw SkipTestException("FFmpeg backend was not found");
|
|
|
|
string video_file = findDataFile("video/big_buck_bunny.mp4");
|
|
VideoCapture cap;
|
|
EXPECT_NO_THROW(cap.open(video_file, CAP_FFMPEG));
|
|
ASSERT_TRUE(cap.isOpened()) << "Can't open the video";
|
|
const int codecExtradataIdx = (int)cap.get(CAP_PROP_CODEC_EXTRADATA_INDEX);
|
|
Mat data;
|
|
ASSERT_TRUE(cap.retrieve(data, codecExtradataIdx));
|
|
EXPECT_EQ(CV_8UC1, data.type()) << "CV_8UC1 != " << typeToString(data.type());
|
|
EXPECT_TRUE(data.rows == 1 || data.cols == 1) << data.size;
|
|
EXPECT_EQ((size_t)45, data.total());
|
|
}
|
|
|
|
TEST(videoio_ffmpeg, open_with_property)
|
|
{
|
|
if (!videoio_registry::hasBackend(CAP_FFMPEG))
|
|
throw SkipTestException("FFmpeg backend was not found");
|
|
|
|
string video_file = findDataFile("video/big_buck_bunny.mp4");
|
|
VideoCapture cap;
|
|
EXPECT_NO_THROW(cap.open(video_file, CAP_FFMPEG, {
|
|
CAP_PROP_FORMAT, -1 // demux only
|
|
}));
|
|
|
|
// confirm properties are returned without initializing AVCodecContext
|
|
EXPECT_EQ(cap.get(CAP_PROP_FORMAT), -1);
|
|
EXPECT_EQ(static_cast<int>(cap.get(CAP_PROP_FOURCC)), fourccFromString("FMP4"));
|
|
EXPECT_EQ(cap.get(CAP_PROP_N_THREADS), 0.0);
|
|
EXPECT_EQ(cap.get(CAP_PROP_FRAME_HEIGHT), 384.0);
|
|
EXPECT_EQ(cap.get(CAP_PROP_FRAME_WIDTH), 672.0);
|
|
EXPECT_EQ(cap.get(CAP_PROP_FRAME_COUNT), 125);
|
|
EXPECT_EQ(cap.get(CAP_PROP_FPS), 24.0);
|
|
ffmpeg_check_read_raw(cap);
|
|
}
|
|
|
|
TEST(videoio_ffmpeg, create_with_property)
|
|
{
|
|
if (!videoio_registry::hasBackend(CAP_FFMPEG))
|
|
throw SkipTestException("FFmpeg backend was not found");
|
|
|
|
string video_file = findDataFile("video/big_buck_bunny.mp4");
|
|
VideoCapture cap(video_file, CAP_FFMPEG, {
|
|
CAP_PROP_FORMAT, -1 // demux only
|
|
});
|
|
|
|
// confirm properties are returned without initializing AVCodecContext
|
|
EXPECT_TRUE(cap.get(CAP_PROP_FORMAT) == -1);
|
|
EXPECT_EQ(static_cast<int>(cap.get(CAP_PROP_FOURCC)), fourccFromString("FMP4"));
|
|
EXPECT_EQ(cap.get(CAP_PROP_N_THREADS), 0.0);
|
|
EXPECT_EQ(cap.get(CAP_PROP_FRAME_HEIGHT), 384.0);
|
|
EXPECT_EQ(cap.get(CAP_PROP_FRAME_WIDTH), 672.0);
|
|
EXPECT_EQ(cap.get(CAP_PROP_FRAME_COUNT), 125);
|
|
EXPECT_EQ(cap.get(CAP_PROP_FPS), 24.0);
|
|
ffmpeg_check_read_raw(cap);
|
|
}
|
|
|
|
TEST(videoio_ffmpeg, create_with_property_badarg)
|
|
{
|
|
if (!videoio_registry::hasBackend(CAP_FFMPEG))
|
|
throw SkipTestException("FFmpeg backend was not found");
|
|
|
|
string video_file = findDataFile("video/big_buck_bunny.mp4");
|
|
VideoCapture cap(video_file, CAP_FFMPEG, {
|
|
CAP_PROP_FORMAT, -2 // invalid
|
|
});
|
|
EXPECT_FALSE(cap.isOpened());
|
|
}
|
|
|
|
// related issue: https://github.com/opencv/opencv/issues/16821
|
|
TEST(videoio_ffmpeg, DISABLED_open_from_web)
|
|
{
|
|
if (!videoio_registry::hasBackend(CAP_FFMPEG))
|
|
throw SkipTestException("FFmpeg backend was not found");
|
|
|
|
string video_file = "http://commondatastorage.googleapis.com/gtv-videos-bucket/sample/BigBuckBunny.mp4";
|
|
VideoCapture cap(video_file, CAP_FFMPEG);
|
|
int n_frames = -1;
|
|
EXPECT_NO_THROW(n_frames = (int)cap.get(CAP_PROP_FRAME_COUNT));
|
|
EXPECT_EQ((int)14315, n_frames);
|
|
}
|
|
|
|
|
|
typedef tuple<string, string, bool, bool> FourCC_Ext_Color_Support;
|
|
typedef testing::TestWithParam< FourCC_Ext_Color_Support > videoio_ffmpeg_16bit;
|
|
|
|
TEST_P(videoio_ffmpeg_16bit, basic)
|
|
{
|
|
if (!videoio_registry::hasBackend(CAP_FFMPEG))
|
|
throw SkipTestException("FFmpeg backend was not found");
|
|
|
|
const int fourcc = fourccFromString(get<0>(GetParam()));
|
|
const string ext = string(".") + get<1>(GetParam());
|
|
const bool isColor = get<2>(GetParam());
|
|
const bool isSupported = get<3>(GetParam());
|
|
const int cn = isColor ? 3 : 1;
|
|
const int dataType = CV_16UC(cn);
|
|
|
|
const string filename = tempfile(ext.c_str());
|
|
const Size sz(640, 480);
|
|
const double fps = 30.0;
|
|
const double time_sec = 1;
|
|
const int numFrames = static_cast<int>(fps * time_sec);
|
|
|
|
{
|
|
VideoWriter writer;
|
|
writer.open(filename, CAP_FFMPEG, fourcc, fps, sz,
|
|
{
|
|
VIDEOWRITER_PROP_DEPTH, CV_16U,
|
|
VIDEOWRITER_PROP_IS_COLOR, isColor
|
|
});
|
|
|
|
ASSERT_EQ(isSupported, writer.isOpened());
|
|
if (isSupported)
|
|
{
|
|
Mat img(sz, dataType, Scalar::all(0));
|
|
const int coeff = cvRound(min(sz.width, sz.height)/(fps * time_sec));
|
|
for (int i = 0 ; i < numFrames; i++ )
|
|
{
|
|
rectangle(img,
|
|
Point2i(coeff * i, coeff * i),
|
|
Point2i(coeff * (i + 1), coeff * (i + 1)),
|
|
Scalar::all(255 * (1.0 - static_cast<double>(i) / (fps * time_sec * 2))),
|
|
-1);
|
|
writer << img;
|
|
}
|
|
writer.release();
|
|
EXPECT_GT(getFileSize(filename), 8192);
|
|
}
|
|
}
|
|
|
|
if (isSupported)
|
|
{
|
|
VideoCapture cap;
|
|
ASSERT_TRUE(cap.open(filename, CAP_FFMPEG, {CAP_PROP_CONVERT_RGB, false}));
|
|
ASSERT_TRUE(cap.isOpened());
|
|
Mat img;
|
|
bool res = true;
|
|
int numRead = 0;
|
|
while(res)
|
|
{
|
|
res = cap.read(img);
|
|
if (res)
|
|
{
|
|
++numRead;
|
|
ASSERT_EQ(img.type(), dataType);
|
|
ASSERT_EQ(img.size(), sz);
|
|
}
|
|
}
|
|
ASSERT_EQ(numRead, numFrames);
|
|
remove(filename.c_str());
|
|
}
|
|
}
|
|
|
|
const FourCC_Ext_Color_Support sixteen_bit_modes[] =
|
|
{
|
|
// 16-bit grayscale is supported
|
|
make_tuple("FFV1", "avi", false, true),
|
|
make_tuple("FFV1", "mkv", false, true),
|
|
// 16-bit color formats are NOT supported
|
|
make_tuple("FFV1", "avi", true, false),
|
|
make_tuple("FFV1", "mkv", true, false),
|
|
|
|
};
|
|
|
|
INSTANTIATE_TEST_CASE_P(/**/, videoio_ffmpeg_16bit, testing::ValuesIn(sixteen_bit_modes));
|
|
|
|
}} // namespace
|