/*M///////////////////////////////////////////////////////////////////////////////////////
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//
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//  copy or use the software.
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//
//                           License Agreement
//                For Open Source Computer Vision Library
//
// Copyright (C) 2000-2008, Intel Corporation, all rights reserved.
// Copyright (C) 2009, Willow Garage Inc., all rights reserved.
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//M*/

#include "perf_precomp.hpp"
#include "opencv2/highgui/highgui_c.h"

using namespace std;
using namespace testing;
using namespace perf;

#if defined(HAVE_XINE)         || \
    defined(HAVE_GSTREAMER)    || \
    defined(HAVE_QUICKTIME)    || \
    defined(HAVE_QTKIT)        || \
    defined(HAVE_AVFOUNDATION) || \
    defined(HAVE_FFMPEG)       || \
    defined(WIN32) /* assume that we have ffmpeg */

#  define BUILD_WITH_VIDEO_INPUT_SUPPORT 1
#else
#  define BUILD_WITH_VIDEO_INPUT_SUPPORT 0
#endif

DEF_PARAM_TEST_1(FileName, string);

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

#if defined(HAVE_NVCUVID) && BUILD_WITH_VIDEO_INPUT_SUPPORT

PERF_TEST_P(FileName, VideoReader, Values("gpu/video/768x576.avi", "gpu/video/1920x1080.avi"))
{
    declare.time(20);

    const string inputFile = perf::TestBase::getDataPath(GetParam());

    if (PERF_RUN_CUDA())
    {
        cv::Ptr<cv::cudacodec::VideoReader> d_reader = cv::cudacodec::createVideoReader(inputFile);

        cv::cuda::GpuMat frame;

        TEST_CYCLE_N(10) d_reader->nextFrame(frame);

        CUDA_SANITY_CHECK(frame);
    }
    else
    {
        cv::VideoCapture reader(inputFile);
        ASSERT_TRUE( reader.isOpened() );

        cv::Mat frame;

        TEST_CYCLE_N(10) reader >> frame;

        CPU_SANITY_CHECK(frame);
    }
}

#endif

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

#if defined(HAVE_NVCUVID) && defined(WIN32)

PERF_TEST_P(FileName, VideoWriter, Values("gpu/video/768x576.avi", "gpu/video/1920x1080.avi"))
{
    declare.time(30);

    const string inputFile = perf::TestBase::getDataPath(GetParam());
    const string outputFile = cv::tempfile(".avi");

    const double FPS = 25.0;

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

    cv::Mat frame;

    if (PERF_RUN_CUDA())
    {
        cv::Ptr<cv::cudacodec::VideoWriter> d_writer;

        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);

            startTimer(); next();
            d_writer->write(d_frame);
            stopTimer();
        }
    }
    else
    {
        cv::VideoWriter writer;

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

            if (!writer.isOpened())
                writer.open(outputFile, CV_FOURCC('X', 'V', 'I', 'D'), FPS, frame.size());

            startTimer(); next();
            writer.write(frame);
            stopTimer();
        }
    }

    SANITY_CHECK(frame);
}

#endif