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// This file is part of OpenCV project.
// It is subject to the license terms in the LICENSE file found in the top-level directory
// of this distribution and at http://opencv.org/license.html
#include "test_precomp.hpp"
#ifdef HAVE_MFX
namespace opencv_test { namespace {
TEST(Videoio_MFX, read_invalid)
{
VideoCapture cap;
ASSERT_NO_THROW(cap.open("nonexistent-file", CAP_INTEL_MFX));
ASSERT_FALSE(cap.isOpened());
Mat img;
ASSERT_NO_THROW(cap >> img);
ASSERT_TRUE(img.empty());
}
TEST(Videoio_MFX, write_invalid)
{
const string filename = cv::tempfile(".264");
VideoWriter writer;
bool res = true;
ASSERT_NO_THROW(res = writer.open(filename, CAP_INTEL_MFX, VideoWriter::fourcc('H', '2', '6', '4'), 1, Size(641, 480), true));
EXPECT_FALSE(res);
EXPECT_FALSE(writer.isOpened());
ASSERT_NO_THROW(res = writer.open(filename, CAP_INTEL_MFX, VideoWriter::fourcc('H', '2', '6', '4'), 1, Size(640, 481), true));
EXPECT_FALSE(res);
EXPECT_FALSE(writer.isOpened());
ASSERT_NO_THROW(res = writer.open(filename, CAP_INTEL_MFX, VideoWriter::fourcc('A', 'B', 'C', 'D'), 1, Size(640, 480), true));
EXPECT_FALSE(res);
EXPECT_FALSE(writer.isOpened());
ASSERT_NO_THROW(res = writer.open(String(), CAP_INTEL_MFX, VideoWriter::fourcc('H', '2', '6', '4'), 1, Size(640, 480), true));
EXPECT_FALSE(res);
EXPECT_FALSE(writer.isOpened());
ASSERT_ANY_THROW(res = writer.open(filename, CAP_INTEL_MFX, VideoWriter::fourcc('H', '2', '6', '4'), 0, Size(640, 480), true));
EXPECT_FALSE(res);
EXPECT_FALSE(writer.isOpened());
ASSERT_NO_THROW(res = writer.open(filename, CAP_INTEL_MFX, VideoWriter::fourcc('H', '2', '6', '4'), 30, Size(640, 480), true));
ASSERT_TRUE(res);
ASSERT_TRUE(writer.isOpened());
Mat t;
// write some bad frames
t = Mat(Size(1024, 768), CV_8UC3);
EXPECT_NO_THROW(writer << t);
t = Mat(Size(320, 240), CV_8UC3);
EXPECT_NO_THROW(writer << t);
t = Mat(Size(640, 480), CV_8UC2);
EXPECT_NO_THROW(writer << t);
// cleanup
ASSERT_NO_THROW(writer.release());
remove(filename.c_str());
}
//==================================================================================================
const int FRAME_COUNT = 20;
inline void generateFrame(int i, Mat & frame)
{
::generateFrame(i, FRAME_COUNT, frame);
}
inline int fourccByExt(const String &ext)
{
if (ext == ".mpeg2")
return VideoWriter::fourcc('M', 'P', 'G', '2');
else if (ext == ".264")
return VideoWriter::fourcc('H', '2', '6', '4');
else if (ext == ".265")
return VideoWriter::fourcc('H', '2', '6', '5');
return -1;
}
//==================================================================================================
typedef tuple<Size, double, const char *> Size_FPS_Ext;
typedef testing::TestWithParam< Size_FPS_Ext > Videoio_MFX;
TEST_P(Videoio_MFX, read_write_raw)
{
const Size FRAME_SIZE = get<0>(GetParam());
const double FPS = get<1>(GetParam());
const char *ext = get<2>(GetParam());
const String filename = cv::tempfile(ext);
const int fourcc = fourccByExt(ext);
bool isColor = true;
std::queue<Mat> goodFrames;
// Write video
VideoWriter writer;
writer.open(filename, CAP_INTEL_MFX, fourcc, FPS, FRAME_SIZE, isColor);
ASSERT_TRUE(writer.isOpened());
Mat frame(FRAME_SIZE, CV_8UC3);
for (int i = 0; i < FRAME_COUNT; ++i)
{
generateFrame(i, frame);
goodFrames.push(frame.clone());
writer << frame;
}
writer.release();
EXPECT_FALSE(writer.isOpened());
// Read video
VideoCapture cap;
cap.open(filename, CAP_INTEL_MFX);
ASSERT_TRUE(cap.isOpened());
for (int i = 0; i < FRAME_COUNT; ++i)
{
ASSERT_TRUE(cap.read(frame));
ASSERT_FALSE(frame.empty());
ASSERT_EQ(FRAME_SIZE.width, frame.cols);
ASSERT_EQ(FRAME_SIZE.height, frame.rows);
// verify
ASSERT_NE(goodFrames.size(), 0u);
const Mat &goodFrame = goodFrames.front();
EXPECT_EQ(goodFrame.depth(), frame.depth());
EXPECT_EQ(goodFrame.channels(), frame.channels());
EXPECT_EQ(goodFrame.type(), frame.type());
double psnr = cvtest::PSNR(goodFrame, frame);
if (fourcc == VideoWriter::fourcc('M', 'P', 'G', '2'))
EXPECT_GT(psnr, 31); // experimentally chosen value
else
EXPECT_GT(psnr, 33); // experimentally chosen value
goodFrames.pop();
}
EXPECT_FALSE(cap.read(frame));
EXPECT_TRUE(frame.empty());
cap.release();
EXPECT_FALSE(cap.isOpened());
remove(filename.c_str());
}
INSTANTIATE_TEST_CASE_P(videoio, Videoio_MFX,
testing::Combine(
testing::Values(Size(640, 480), Size(638, 478), Size(636, 476), Size(1920, 1080)),
testing::Values(1, 30, 100),
testing::Values(".mpeg2", ".264", ".265")));
}} // namespace
#endif