OpenCV/opencv_contrib/modules/cudacodec/test/test_video.cpp

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#include "test_precomp.hpp"
namespace opencv_test {
    namespace {

#if defined(HAVE_NVCUVID) || defined(HAVE_NVCUVENC)
PARAM_TEST_CASE(CheckSet, cv::cuda::DeviceInfo, std::string)
{
};

typedef tuple<std::string, int> check_extra_data_params_t;
PARAM_TEST_CASE(CheckExtraData, cv::cuda::DeviceInfo, check_extra_data_params_t)
{
};

PARAM_TEST_CASE(Video, cv::cuda::DeviceInfo, std::string)
{
};

PARAM_TEST_CASE(VideoReadRaw, cv::cuda::DeviceInfo, std::string)
{
};

PARAM_TEST_CASE(CheckKeyFrame, cv::cuda::DeviceInfo, std::string)
{
};

struct CheckParams : testing::TestWithParam<cv::cuda::DeviceInfo>
{
    cv::cuda::DeviceInfo devInfo;

    virtual void SetUp()
    {
        devInfo = GetParam();

        cv::cuda::setDevice(devInfo.deviceID());
    }
};

#if defined(HAVE_NVCUVID)
//////////////////////////////////////////////////////
// VideoReader

//==========================================================================

CUDA_TEST_P(CheckSet, Reader)
{
    cv::cuda::setDevice(GET_PARAM(0).deviceID());

    if (!videoio_registry::hasBackend(CAP_FFMPEG))
        throw SkipTestException("FFmpeg backend was not found");

    std::string inputFile = std::string(cvtest::TS::ptr()->get_data_path()) + +"../" + GET_PARAM(1);
    cv::Ptr<cv::cudacodec::VideoReader> reader = cv::cudacodec::createVideoReader(inputFile);
    double unsupportedVal = -1;
    ASSERT_FALSE(reader->get(cv::cudacodec::VideoReaderProps::PROP_NOT_SUPPORTED, unsupportedVal));
    double rawModeVal = -1;
    ASSERT_TRUE(reader->get(cv::cudacodec::VideoReaderProps::PROP_RAW_MODE, rawModeVal));
    ASSERT_FALSE(rawModeVal);
    ASSERT_TRUE(reader->set(cv::cudacodec::VideoReaderProps::PROP_RAW_MODE,true));
    ASSERT_TRUE(reader->get(cv::cudacodec::VideoReaderProps::PROP_RAW_MODE, rawModeVal));
    ASSERT_TRUE(rawModeVal);
    bool rawPacketsAvailable = false;
    while (reader->grab()) {
        double nRawPackages = -1;
        ASSERT_TRUE(reader->get(cv::cudacodec::VideoReaderProps::PROP_NUMBER_OF_RAW_PACKAGES_SINCE_LAST_GRAB, nRawPackages));
        if (nRawPackages > 0) {
            rawPacketsAvailable = true;
            break;
        }
    }
    ASSERT_TRUE(rawPacketsAvailable);
}

CUDA_TEST_P(CheckExtraData, Reader)
{
    // RTSP streaming is only supported by the FFmpeg back end
    if (!videoio_registry::hasBackend(CAP_FFMPEG))
        throw SkipTestException("FFmpeg backend not found");

    cv::cuda::setDevice(GET_PARAM(0).deviceID());
    const string path = get<0>(GET_PARAM(1));
    const int sz = get<1>(GET_PARAM(1));
    std::string inputFile = std::string(cvtest::TS::ptr()->get_data_path()) + "../" + path;
    cv::Ptr<cv::cudacodec::VideoReader> reader = cv::cudacodec::createVideoReader(inputFile, {}, true);
    double rawModeVal = -1;
    ASSERT_TRUE(reader->get(cv::cudacodec::VideoReaderProps::PROP_RAW_MODE, rawModeVal));
    ASSERT_TRUE(rawModeVal);
    double extraDataIdx = -1;
    ASSERT_TRUE(reader->get(cv::cudacodec::VideoReaderProps::PROP_EXTRA_DATA_INDEX, extraDataIdx));
    ASSERT_EQ(extraDataIdx, 1 );
    ASSERT_TRUE(reader->grab());
    cv::Mat extraData;
    const bool newData = reader->retrieve(extraData, extraDataIdx);
    ASSERT_TRUE(newData && sz || !newData && !sz);
    ASSERT_EQ(extraData.total(), sz);
}

CUDA_TEST_P(CheckKeyFrame, Reader)
{
    cv::cuda::setDevice(GET_PARAM(0).deviceID());

    // RTSP streaming is only supported by the FFmpeg back end
    if (!videoio_registry::hasBackend(CAP_FFMPEG))
        throw SkipTestException("FFmpeg backend not found");

    const string path = GET_PARAM(1);
    std::string inputFile = std::string(cvtest::TS::ptr()->get_data_path()) + "../" + path;
    cv::Ptr<cv::cudacodec::VideoReader> reader = cv::cudacodec::createVideoReader(inputFile, {}, true);
    double rawModeVal = -1;
    ASSERT_TRUE(reader->get(cv::cudacodec::VideoReaderProps::PROP_RAW_MODE, rawModeVal));
    ASSERT_TRUE(rawModeVal);
    double rawIdxBase = -1;
    ASSERT_TRUE(reader->get(cv::cudacodec::VideoReaderProps::PROP_RAW_PACKAGES_BASE_INDEX, rawIdxBase));
    ASSERT_EQ(rawIdxBase, 2);
    constexpr int maxNPackagesToCheck = 2;
    int nPackages = 0;
    while (nPackages < maxNPackagesToCheck) {
        ASSERT_TRUE(reader->grab());
        double N = -1;
        ASSERT_TRUE(reader->get(cv::cudacodec::VideoReaderProps::PROP_NUMBER_OF_RAW_PACKAGES_SINCE_LAST_GRAB,N));
        for (int i = rawIdxBase; i < N + rawIdxBase; i++) {
            nPackages++;
            double containsKeyFrame = i;
            ASSERT_TRUE(reader->get(cv::cudacodec::VideoReaderProps::PROP_LRF_HAS_KEY_FRAME, containsKeyFrame));
            ASSERT_TRUE(nPackages == 1 && containsKeyFrame || nPackages == 2 && !containsKeyFrame) << "nPackage: " << i;
            if (nPackages >= maxNPackagesToCheck)
                break;
        }
    }
}

CUDA_TEST_P(Video, Reader)
{
    cv::cuda::setDevice(GET_PARAM(0).deviceID());

    // CUDA demuxer has to fall back to ffmpeg to process "cv/video/768x576.avi"
    if (GET_PARAM(1) == "cv/video/768x576.avi" && !videoio_registry::hasBackend(CAP_FFMPEG))
        throw SkipTestException("FFmpeg backend not found");

    std::string inputFile = std::string(cvtest::TS::ptr()->get_data_path()) + "../" + GET_PARAM(1);
    cv::Ptr<cv::cudacodec::VideoReader> reader = cv::cudacodec::createVideoReader(inputFile);
    cv::cudacodec::FormatInfo fmt = reader->format();
    cv::cuda::GpuMat frame;
    for (int i = 0; i < 100; i++)
    {
        ASSERT_TRUE(reader->nextFrame(frame));
        if(!fmt.valid)
            fmt = reader->format();
        ASSERT_TRUE(frame.cols == fmt.width && frame.rows == fmt.height);
        ASSERT_FALSE(frame.empty());
    }
}

CUDA_TEST_P(VideoReadRaw, Reader)
{
    cv::cuda::setDevice(GET_PARAM(0).deviceID());

    // RTSP streaming is only supported by the FFmpeg back end
    if (!videoio_registry::hasBackend(CAP_FFMPEG))
        throw SkipTestException("FFmpeg backend not found");

    std::string inputFile = std::string(cvtest::TS::ptr()->get_data_path()) + "../" + GET_PARAM(1);
    const string fileNameOut = tempfile("test_container_stream");
    {
        std::ofstream file(fileNameOut, std::ios::binary);
        ASSERT_TRUE(file.is_open());
        cv::Ptr<cv::cudacodec::VideoReader> reader = cv::cudacodec::createVideoReader(inputFile, {}, true);
        double rawModeVal = -1;
        ASSERT_TRUE(reader->get(cv::cudacodec::VideoReaderProps::PROP_RAW_MODE, rawModeVal));
        ASSERT_TRUE(rawModeVal);
        double rawIdxBase = -1;
        ASSERT_TRUE(reader->get(cv::cudacodec::VideoReaderProps::PROP_RAW_PACKAGES_BASE_INDEX, rawIdxBase));
        ASSERT_EQ(rawIdxBase, 2);
        cv::cuda::GpuMat frame;
        for (int i = 0; i < 100; i++)
        {
            ASSERT_TRUE(reader->grab());
            ASSERT_TRUE(reader->retrieve(frame));
            ASSERT_FALSE(frame.empty());
            double N = -1;
            ASSERT_TRUE(reader->get(cv::cudacodec::VideoReaderProps::PROP_NUMBER_OF_RAW_PACKAGES_SINCE_LAST_GRAB,N));
            ASSERT_TRUE(N >= 0) << N << " < 0";
            for (int i = rawIdxBase; i <= N + rawIdxBase; i++) {
                Mat rawPackets;
                reader->retrieve(rawPackets, i);
                file.write((char*)rawPackets.data, rawPackets.total());
            }
        }
    }

    std::cout << "Checking written video stream: " << fileNameOut << std::endl;

    {
        cv::Ptr<cv::cudacodec::VideoReader> readerReference = cv::cudacodec::createVideoReader(inputFile);
        cv::Ptr<cv::cudacodec::VideoReader> readerActual = cv::cudacodec::createVideoReader(fileNameOut, {}, true);
        double decodedFrameIdx = -1;
        ASSERT_TRUE(readerActual->get(cv::cudacodec::VideoReaderProps::PROP_DECODED_FRAME_IDX, decodedFrameIdx));
        ASSERT_EQ(decodedFrameIdx, 0);
        cv::cuda::GpuMat reference, actual;
        cv::Mat referenceHost, actualHost;
        for (int i = 0; i < 100; i++)
        {
            ASSERT_TRUE(readerReference->nextFrame(reference));
            ASSERT_TRUE(readerActual->grab());
            ASSERT_TRUE(readerActual->retrieve(actual, decodedFrameIdx));
            actual.download(actualHost);
            reference.download(referenceHost);
            ASSERT_TRUE(cvtest::norm(actualHost, referenceHost, NORM_INF) == 0);
        }
    }

    ASSERT_EQ(0, remove(fileNameOut.c_str()));
}

CUDA_TEST_P(CheckParams, Reader)
{
    std::string inputFile = std::string(cvtest::TS::ptr()->get_data_path()) + "../highgui/video/big_buck_bunny.mp4";
    {
        cv::Ptr<cv::cudacodec::VideoReader> reader = cv::cudacodec::createVideoReader(inputFile);
        double msActual = -1;
        ASSERT_FALSE(reader->get(cv::VideoCaptureProperties::CAP_PROP_OPEN_TIMEOUT_MSEC, msActual));
    }

    {
        constexpr int msReference = 3333;
        cv::Ptr<cv::cudacodec::VideoReader> reader = cv::cudacodec::createVideoReader(inputFile, {
            cv::VideoCaptureProperties::CAP_PROP_OPEN_TIMEOUT_MSEC, msReference });
        double msActual = -1;
        ASSERT_TRUE(reader->get(cv::VideoCaptureProperties::CAP_PROP_OPEN_TIMEOUT_MSEC, msActual));
        ASSERT_EQ(msActual, msReference);
    }

    {
        std::vector<bool> exceptionsThrown = { false,true };
        std::vector<int> capPropFormats = { -1,0 };
        for (int i = 0; i < capPropFormats.size(); i++) {
            bool exceptionThrown = false;
            try {
                cv::Ptr<cv::cudacodec::VideoReader> reader = cv::cudacodec::createVideoReader(inputFile, {
                    cv::VideoCaptureProperties::CAP_PROP_FORMAT, capPropFormats.at(i) });
            }
            catch (cv::Exception ex) {
                if (ex.code == Error::StsUnsupportedFormat)
                    exceptionThrown = true;
            }
            ASSERT_EQ(exceptionThrown, exceptionsThrown.at(i));
        }
    }
}
#endif // HAVE_NVCUVID

#if defined(_WIN32) && defined(HAVE_NVCUVENC)
//////////////////////////////////////////////////////
// VideoWriter

CUDA_TEST_P(Video, Writer)
{
    cv::cuda::setDevice(GET_PARAM(0).deviceID());

    const std::string inputFile = std::string(cvtest::TS::ptr()->get_data_path()) + "video/" + GET_PARAM(1);

    std::string outputFile = cv::tempfile(".avi");
    const double FPS = 25.0;

    cv::VideoCapture reader(inputFile);
    ASSERT_TRUE(reader.isOpened());

    cv::Ptr<cv::cudacodec::VideoWriter> d_writer;

    cv::Mat frame;
    cv::cuda::GpuMat d_frame;

    for (int i = 0; i < 10; ++i)
    {
        reader >> frame;
        ASSERT_FALSE(frame.empty());

        d_frame.upload(frame);

        if (d_writer.empty())
            d_writer = cv::cudacodec::createVideoWriter(outputFile, frame.size(), FPS);

        d_writer->write(d_frame);
    }

    reader.release();
    d_writer.release();

    reader.open(outputFile);
    ASSERT_TRUE(reader.isOpened());

    for (int i = 0; i < 5; ++i)
    {
        reader >> frame;
        ASSERT_FALSE(frame.empty());
    }
}

#endif // _WIN32, HAVE_NVCUVENC

INSTANTIATE_TEST_CASE_P(CUDA_Codec, CheckSet, testing::Combine(
    ALL_DEVICES,
    testing::Values("highgui/video/big_buck_bunny.mp4")));

#define VIDEO_SRC_R "highgui/video/big_buck_bunny.mp4", "cv/video/768x576.avi", "cv/video/1920x1080.avi", "highgui/video/big_buck_bunny.avi", \
    "highgui/video/big_buck_bunny.h264", "highgui/video/big_buck_bunny.h265", "highgui/video/big_buck_bunny.mpg"
INSTANTIATE_TEST_CASE_P(CUDA_Codec, Video, testing::Combine(
    ALL_DEVICES,
    testing::Values(VIDEO_SRC_R)));

#define VIDEO_SRC_RW "highgui/video/big_buck_bunny.h264", "highgui/video/big_buck_bunny.h265"
INSTANTIATE_TEST_CASE_P(CUDA_Codec, VideoReadRaw, testing::Combine(
    ALL_DEVICES,
    testing::Values(VIDEO_SRC_RW)));

const check_extra_data_params_t check_extra_data_params[] =
{
    check_extra_data_params_t("highgui/video/big_buck_bunny.mp4", 45),
    check_extra_data_params_t("highgui/video/big_buck_bunny.mov", 45),
    check_extra_data_params_t("highgui/video/big_buck_bunny.mjpg.avi", 0)
};

INSTANTIATE_TEST_CASE_P(CUDA_Codec, CheckExtraData, testing::Combine(
    ALL_DEVICES,
    testing::ValuesIn(check_extra_data_params)));

INSTANTIATE_TEST_CASE_P(CUDA_Codec, CheckKeyFrame, testing::Combine(
    ALL_DEVICES,
    testing::Values(VIDEO_SRC_R)));

INSTANTIATE_TEST_CASE_P(CUDA_Codec, CheckParams, ALL_DEVICES);

#endif // HAVE_NVCUVID || HAVE_NVCUVENC
}} // namespace