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//                           License Agreement
//                For Open Source Computer Vision Library
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#include "test_precomp.hpp"

#if defined(HAVE_CUDA) && defined(HAVE_NVCUVID)

//////////////////////////////////////////////////////
// VideoReader

PARAM_TEST_CASE(VideoReader, cv::gpu::DeviceInfo, std::string)
{
    cv::gpu::DeviceInfo devInfo;
    std::string inputFile;

    virtual void SetUp()
    {
        devInfo = GET_PARAM(0);
        inputFile = GET_PARAM(1);

        cv::gpu::setDevice(devInfo.deviceID());

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

GPU_TEST_P(VideoReader, Regression)
{
    cv::gpu::VideoReader_GPU reader(inputFile);
    ASSERT_TRUE(reader.isOpened());

    cv::gpu::GpuMat frame;

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

    reader.close();
    ASSERT_FALSE(reader.isOpened());
}

INSTANTIATE_TEST_CASE_P(GPU_Video, VideoReader, testing::Combine(
    ALL_DEVICES,
    testing::Values(std::string("768x576.avi"), std::string("1920x1080.avi"))));

//////////////////////////////////////////////////////
// VideoWriter

#ifdef WIN32

PARAM_TEST_CASE(VideoWriter, cv::gpu::DeviceInfo, std::string)
{
    cv::gpu::DeviceInfo devInfo;
    std::string inputFile;

    virtual void SetUp()
    {
        devInfo = GET_PARAM(0);
        inputFile = GET_PARAM(1);

        cv::gpu::setDevice(devInfo.deviceID());

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

GPU_TEST_P(VideoWriter, Regression)
{
    std::string outputFile = cv::tempfile(".avi");
    const double FPS = 25.0;

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

    cv::gpu::VideoWriter_GPU d_writer;

    cv::Mat frame;
    cv::gpu::GpuMat d_frame;

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

        d_frame.upload(frame);

        if (!d_writer.isOpened())
            d_writer.open(outputFile, frame.size(), FPS);

        d_writer.write(d_frame);
    }

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

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

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

INSTANTIATE_TEST_CASE_P(GPU_Video, VideoWriter, testing::Combine(
    ALL_DEVICES,
    testing::Values(std::string("768x576.avi"), std::string("1920x1080.avi"))));

#endif // WIN32

#endif //  defined(HAVE_CUDA) && defined(HAVE_NVCUVID)