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opencv/modules/videoio/test/test_video_io.cpp

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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"
namespace opencv_test
{
class Videoio_Test_Base
{
protected:
string ext;
string video_file;
VideoCaptureAPIs apiPref;
protected:
Videoio_Test_Base() {}
virtual ~Videoio_Test_Base() {}
virtual void writeVideo() {}
virtual void checkFrameContent(Mat &, int) {}
virtual void checkFrameCount(int &) {}
void checkFrameRead(int idx, VideoCapture & cap)
{
//int frameID = (int)cap.get(CAP_PROP_POS_FRAMES);
Mat img;
ASSERT_NO_THROW(cap >> img);
//std::cout << "idx=" << idx << " img=" << img.size() << " frameID=" << frameID << std::endl;
ASSERT_FALSE(img.empty()) << "idx=" << idx;
checkFrameContent(img, idx);
}
void checkFrameSeek(int idx, VideoCapture & cap)
{
bool canSeek = false;
ASSERT_NO_THROW(canSeek = cap.set(CAP_PROP_POS_FRAMES, idx));
if (!canSeek)
{
std::cout << "Seek to frame '" << idx << "' is not supported. SKIP." << std::endl;
return;
}
EXPECT_EQ(idx, (int)cap.get(CAP_PROP_POS_FRAMES));
checkFrameRead(idx, cap);
}
public:
void doTest()
{
if (!videoio_registry::hasBackend(apiPref))
throw SkipTestException(cv::String("Backend is not available/disabled: ") + cv::videoio_registry::getBackendName(apiPref));
if (cvtest::skipUnstableTests && apiPref == CAP_MSMF && (ext == "h264" || ext == "h265" || ext == "mpg"))
throw SkipTestException("Unstable MSMF test");
writeVideo();
VideoCapture cap;
ASSERT_NO_THROW(cap.open(video_file, apiPref));
if (!cap.isOpened())
{
std::cout << "SKIP test: backend " << apiPref << " can't open the video: " << video_file << std::endl;
return;
}
int n_frames = -1;
EXPECT_NO_THROW(n_frames = (int)cap.get(CAP_PROP_FRAME_COUNT));
if (n_frames > 0)
{
ASSERT_GT(n_frames, 0);
checkFrameCount(n_frames);
}
else
{
std::cout << "CAP_PROP_FRAME_COUNT is not supported by backend. Assume 50 frames." << std::endl;
n_frames = 50;
}
{
SCOPED_TRACE("consecutive read");
if (apiPref == CAP_GSTREAMER)
{
// This workaround is for GStreamer 1.3.1.1 and older.
// Old Gstreamer has a bug which handles the total duration 1 frame shorter
// Old Gstreamer are used in Ubuntu 14.04, so the following code could be removed after it's EOL
n_frames--;
}
for (int k = 0; k < n_frames; ++k)
{
checkFrameRead(k, cap);
if (::testing::Test::HasFailure() && k % 10 == 0)
break;
}
}
bool canSeek = false;
EXPECT_NO_THROW(canSeek = cap.set(CAP_PROP_POS_FRAMES, 0));
if (!canSeek)
{
std::cout << "Seek to frame '0' is not supported. SKIP all 'seek' tests." << std::endl;
return;
}
if (ext != "wmv" && ext != "h264" && ext != "h265")
{
SCOPED_TRACE("progressive seek");
bool res = false;
EXPECT_NO_THROW(res = cap.set(CAP_PROP_POS_FRAMES, 0));
ASSERT_TRUE(res);
for (int k = 0; k < n_frames; k += 20)
{
checkFrameSeek(k, cap);
if (::testing::Test::HasFailure() && k % 10 == 0)
break;
}
}
if (ext != "mpg" && ext != "wmv" && ext != "h264" && ext != "h265")
{
SCOPED_TRACE("random seek");
bool res = false;
EXPECT_NO_THROW(res = cap.set(CAP_PROP_POS_FRAMES, 0));
ASSERT_TRUE(res);
for (int k = 0; k < 10; ++k)
{
checkFrameSeek(cvtest::TS::ptr()->get_rng().uniform(0, n_frames), cap);
if (::testing::Test::HasFailure() && k % 10 == 0)
break;
}
}
}
};
//==================================================================================================
typedef tuple<string, VideoCaptureAPIs> Backend_Type_Params;
class videoio_bunny : public Videoio_Test_Base, public testing::TestWithParam<Backend_Type_Params>
{
BunnyParameters bunny_param;
public:
videoio_bunny()
{
ext = get<0>(GetParam());
apiPref = get<1>(GetParam());
video_file = BunnyParameters::getFilename(String(".") + ext);
}
void doFrameCountTest()
{
if (!videoio_registry::hasBackend(apiPref))
throw SkipTestException(cv::String("Backend is not available/disabled: ") + cv::videoio_registry::getBackendName(apiPref));
if (cvtest::skipUnstableTests && apiPref == CAP_MSMF && (ext == "h264" || ext == "h265" || ext == "mpg"))
throw SkipTestException("Unstable MSMF test");
VideoCapture cap;
EXPECT_NO_THROW(cap.open(video_file, apiPref));
if (!cap.isOpened())
{
std::cout << "SKIP test: backend " << apiPref << " can't open the video: " << video_file << std::endl;
return;
}
Size actual;
EXPECT_NO_THROW(actual = Size((int)cap.get(CAP_PROP_FRAME_WIDTH),
(int)cap.get(CAP_PROP_FRAME_HEIGHT)));
EXPECT_EQ(bunny_param.getWidth(), actual.width);
EXPECT_EQ(bunny_param.getHeight(), actual.height);
double fps_prop = 0;
EXPECT_NO_THROW(fps_prop = cap.get(CAP_PROP_FPS));
if (fps_prop > 0)
EXPECT_NEAR(fps_prop, bunny_param.getFps(), 1);
else
std::cout << "FPS is not available. SKIP check." << std::endl;
int count_prop = 0;
EXPECT_NO_THROW(count_prop = (int)cap.get(CAP_PROP_FRAME_COUNT));
// mpg file reports 5.08 sec * 24 fps => property returns 122 frames
// but actual number of frames returned is 125
if (ext != "mpg")
{
if (count_prop > 0)
{
EXPECT_EQ(bunny_param.getCount(), count_prop);
}
}
int count_actual = 0;
while (cap.isOpened())
{
Mat frame;
EXPECT_NO_THROW(cap >> frame);
if (frame.empty())
break;
EXPECT_EQ(bunny_param.getWidth(), frame.cols);
EXPECT_EQ(bunny_param.getHeight(), frame.rows);
count_actual += 1;
if (::testing::Test::HasFailure() && count_actual % 10 == 0)
break;
}
if (count_prop > 0)
{
EXPECT_NEAR(bunny_param.getCount(), count_actual, 1);
}
else
std::cout << "Frames counter is not available. Actual frames: " << count_actual << ". SKIP check." << std::endl;
}
void doTimestampTest()
{
if (!isBackendAvailable(apiPref, cv::videoio_registry::getStreamBackends()))
throw SkipTestException(cv::String("Backend is not available/disabled: ") + cv::videoio_registry::getBackendName(apiPref));
// GStreamer: https://github.com/opencv/opencv/issues/19025
if (apiPref == CAP_GSTREAMER)
throw SkipTestException(cv::String("Backend ") + cv::videoio_registry::getBackendName(apiPref) +
cv::String(" does not return reliable values for CAP_PROP_POS_MSEC property"));
if (((apiPref == CAP_FFMPEG) && ((ext == "h264") || (ext == "h265"))))
throw SkipTestException(cv::String("Backend ") + cv::videoio_registry::getBackendName(apiPref) +
cv::String(" does not support CAP_PROP_POS_MSEC option"));
VideoCapture cap;
EXPECT_NO_THROW(cap.open(video_file, apiPref));
if (!cap.isOpened())
throw SkipTestException(cv::String("Backend ") + cv::videoio_registry::getBackendName(apiPref) +
cv::String(" can't open the video: ") + video_file);
Mat img;
for(int i = 0; i < 10; i++)
{
double timestamp = 0;
ASSERT_NO_THROW(cap >> img);
EXPECT_NO_THROW(timestamp = cap.get(CAP_PROP_POS_MSEC));
if (cvtest::debugLevel > 0)
std::cout << "i = " << i << ": timestamp = " << timestamp << std::endl;
const double frame_period = 1000.f/bunny_param.getFps();
// NOTE: eps == frame_period, because videoCapture returns frame beginning timestamp or frame end
// timestamp depending on codec and back-end. So the first frame has timestamp 0 or frame_period.
EXPECT_NEAR(timestamp, i*frame_period, frame_period) << "i=" << i;
}
}
};
//==================================================================================================
struct Ext_Fourcc_PSNR
{
const char* ext;
const char* fourcc;
float PSNR;
VideoCaptureAPIs api;
};
typedef tuple<Size, Ext_Fourcc_PSNR> Size_Ext_Fourcc_PSNR;
class videoio_synthetic : public Videoio_Test_Base, public testing::TestWithParam<Size_Ext_Fourcc_PSNR>
{
Size frame_size;
int fourcc;
float PSNR_GT;
int frame_count;
double fps;
public:
videoio_synthetic()
{
frame_size = get<0>(GetParam());
const Ext_Fourcc_PSNR p = get<1>(GetParam());
ext = p.ext;
fourcc = fourccFromString(p.fourcc);
PSNR_GT = p.PSNR;
video_file = cv::tempfile((fourccToString(fourcc) + "." + ext).c_str());
frame_count = 100;
fps = 25.;
apiPref = p.api;
}
void TearDown()
{
remove(video_file.c_str());
}
virtual void writeVideo()
{
Mat img(frame_size, CV_8UC3);
VideoWriter writer;
EXPECT_NO_THROW(writer.open(video_file, apiPref, fourcc, fps, frame_size, true));
ASSERT_TRUE(writer.isOpened());
for(int i = 0; i < frame_count; ++i )
{
generateFrame(i, frame_count, img);
EXPECT_NO_THROW(writer << img);
if (::testing::Test::HasFailure() && i % 10 == 0)
break;
}
EXPECT_NO_THROW(writer.release());
}
virtual void checkFrameContent(Mat & img, int idx)
{
Mat imgGT(frame_size, CV_8UC3);
generateFrame(idx, frame_count, imgGT);
double psnr = cvtest::PSNR(img, imgGT);
ASSERT_GT(psnr, PSNR_GT) << "frame " << idx;
}
virtual void checkFrameCount(int &actual)
{
Range expected_frame_count = Range(frame_count, frame_count);
// Hack! Newer FFmpeg versions in this combination produce a file
// whose reported duration is one frame longer than needed, and so
// the calculated frame count is also off by one. Ideally, we'd want
// to fix both writing (to produce the correct duration) and reading
// (to correctly report frame count for such files), but I don't know
// how to do either, so this is a workaround for now.
if (fourcc == VideoWriter::fourcc('M', 'P', 'E', 'G') && ext == "mkv")
expected_frame_count.end += 1;
// Workaround for some gstreamer pipelines
if (apiPref == CAP_GSTREAMER)
expected_frame_count.start -= 1;
ASSERT_LE(expected_frame_count.start, actual);
ASSERT_GE(expected_frame_count.end, actual);
actual = expected_frame_count.start; // adjust actual frame boundary to possible minimum
}
};
//==================================================================================================
static const VideoCaptureAPIs backend_params[] = {
#ifdef HAVE_AVFOUNDATION
CAP_AVFOUNDATION,
#endif
#ifdef _WIN32
CAP_MSMF,
#endif
CAP_GSTREAMER,
CAP_FFMPEG,
#ifdef HAVE_XINE
CAP_XINE,
#endif
CAP_OPENCV_MJPEG
// CAP_INTEL_MFX
};
static const string bunny_params[] = {
string("wmv"),
string("mov"),
string("mp4"),
string("mpg"),
string("avi"),
string("h264"),
string("h265"),
string("mjpg.avi")
};
TEST_P(videoio_bunny, read_position) { doTest(); }
TEST_P(videoio_bunny, frame_count) { doFrameCountTest(); }
TEST_P(videoio_bunny, frame_timestamp) { doTimestampTest(); }
INSTANTIATE_TEST_CASE_P(videoio, videoio_bunny,
testing::Combine(
testing::ValuesIn(bunny_params),
testing::ValuesIn(backend_params)));
inline static std::ostream &operator<<(std::ostream &out, const Ext_Fourcc_PSNR &p)
{
out << "FOURCC(" << p.fourcc << "), ." << p.ext << ", " << p.api << ", " << p.PSNR << "dB"; return out;
}
static Ext_Fourcc_PSNR synthetic_params[] = {
#ifdef _WIN32
#if !defined(_M_ARM)
{"wmv", "WMV1", 30.f, CAP_MSMF},
{"wmv", "WMV2", 30.f, CAP_MSMF},
#endif
{"wmv", "WMV3", 30.f, CAP_MSMF},
{"wmv", "WVC1", 30.f, CAP_MSMF},
{"mov", "H264", 30.f, CAP_MSMF},
#endif
#ifdef HAVE_AVFOUNDATION
{"mov", "H264", 30.f, CAP_AVFOUNDATION},
{"mov", "MJPG", 30.f, CAP_AVFOUNDATION},
{"mp4", "H264", 30.f, CAP_AVFOUNDATION},
{"mp4", "MJPG", 30.f, CAP_AVFOUNDATION},
{"m4v", "H264", 30.f, CAP_AVFOUNDATION},
{"m4v", "MJPG", 30.f, CAP_AVFOUNDATION},
#endif
{"avi", "XVID", 30.f, CAP_FFMPEG},
{"avi", "MPEG", 30.f, CAP_FFMPEG},
{"avi", "IYUV", 30.f, CAP_FFMPEG},
{"avi", "MJPG", 30.f, CAP_FFMPEG},
{"mkv", "XVID", 30.f, CAP_FFMPEG},
{"mkv", "MPEG", 30.f, CAP_FFMPEG},
{"mkv", "MJPG", 30.f, CAP_FFMPEG},
{"avi", "MPEG", 28.f, CAP_GSTREAMER},
{"avi", "MJPG", 30.f, CAP_GSTREAMER},
{"avi", "H264", 30.f, CAP_GSTREAMER},
{"mkv", "MPEG", 28.f, CAP_GSTREAMER},
{"mkv", "MJPG", 30.f, CAP_GSTREAMER},
{"mkv", "H264", 30.f, CAP_GSTREAMER},
{"avi", "MJPG", 30.f, CAP_OPENCV_MJPEG},
};
Size all_sizes[] = {
Size(640, 480),
Size(976, 768)
};
TEST_P(videoio_synthetic, write_read_position) { doTest(); }
INSTANTIATE_TEST_CASE_P(videoio, videoio_synthetic,
testing::Combine(
testing::ValuesIn(all_sizes),
testing::ValuesIn(synthetic_params)));
struct Ext_Fourcc_API
{
const char* ext;
const char* fourcc;
VideoCaptureAPIs api;
};
inline static std::ostream &operator<<(std::ostream &out, const Ext_Fourcc_API &p)
{
out << "(FOURCC(" << p.fourcc << "), \"" << p.ext << "\", " << p.api << ")"; return out;
}
class Videoio_Writer : public Videoio_Test_Base, public testing::TestWithParam<Ext_Fourcc_API>
{
protected:
Size frame_size;
int fourcc;
double fps;
public:
Videoio_Writer()
{
frame_size = Size(640, 480);
const Ext_Fourcc_API p = GetParam();
ext = p.ext;
fourcc = fourccFromString(p.fourcc);
if (ext.size() == 3)
video_file = cv::tempfile((fourccToString(fourcc) + "." + ext).c_str());
else
video_file = ext;
fps = 25.;
apiPref = p.api;
}
void SetUp()
{
}
void TearDown()
{
if (ext.size() == 3)
(void)remove(video_file.c_str());
}
};
TEST_P(Videoio_Writer, write_nothing)
{
if (!cv::videoio_registry::hasBackend(apiPref))
throw SkipTestException(cv::String("Backend is not available/disabled: ") + cv::videoio_registry::getBackendName(apiPref));
VideoWriter writer;
EXPECT_NO_THROW(writer.open(video_file, apiPref, fourcc, fps, frame_size, true));
ASSERT_TRUE(writer.isOpened());
#if 0 // no frames
cv::Mat m(frame_size, CV_8UC3, Scalar::all(127));
writer << m;
#endif
EXPECT_NO_THROW(writer.release());
}
static vector<Ext_Fourcc_API> generate_Ext_Fourcc_API()
{
const size_t N = sizeof(synthetic_params)/sizeof(synthetic_params[0]);
vector<Ext_Fourcc_API> result; result.reserve(N);
for (size_t i = 0; i < N; i++)
{
const Ext_Fourcc_PSNR& src = synthetic_params[i];
Ext_Fourcc_API e = { src.ext, src.fourcc, src.api };
result.push_back(e);
}
{
Ext_Fourcc_API e = { "appsrc ! videoconvert ! video/x-raw, format=(string)NV12 ! filesink location=test.nv12", "\0\0\0\0", CAP_GSTREAMER };
result.push_back(e);
}
{
Ext_Fourcc_API e = { "appsrc ! videoconvert ! video/x-raw, format=(string)I420 ! matroskamux ! filesink location=test.mkv", "\0\0\0\0", CAP_GSTREAMER };
result.push_back(e);
}
return result;
}
INSTANTIATE_TEST_CASE_P(videoio, Videoio_Writer, testing::ValuesIn(generate_Ext_Fourcc_API()));
TEST(Videoio, exceptions)
{
VideoCapture cap;
Mat mat;
EXPECT_FALSE(cap.grab());
EXPECT_FALSE(cap.retrieve(mat));
EXPECT_FALSE(cap.set(CAP_PROP_POS_FRAMES, 1));
EXPECT_FALSE(cap.open("this_does_not_exist.avi", CAP_OPENCV_MJPEG));
cap.setExceptionMode(true);
EXPECT_THROW(cap.grab(), Exception);
EXPECT_THROW(cap.retrieve(mat), Exception);
EXPECT_THROW(cap.set(CAP_PROP_POS_FRAMES, 1), Exception);
EXPECT_THROW(cap.open("this_does_not_exist.avi", CAP_OPENCV_MJPEG), Exception);
}
typedef Videoio_Writer Videoio_Writer_bad_fourcc;
TEST_P(Videoio_Writer_bad_fourcc, nocrash)
{
if (!isBackendAvailable(apiPref, cv::videoio_registry::getStreamBackends()))
throw SkipTestException(cv::String("Backend is not available/disabled: ") + cv::videoio_registry::getBackendName(apiPref));
VideoWriter writer;
EXPECT_NO_THROW(writer.open(video_file, apiPref, fourcc, fps, frame_size, true));
ASSERT_FALSE(writer.isOpened());
EXPECT_NO_THROW(writer.release());
}
static vector<Ext_Fourcc_API> generate_Ext_Fourcc_API_nocrash()
{
static const Ext_Fourcc_API params[] = {
#ifdef HAVE_MSMF_DISABLED // MSMF opens writer stream
{"wmv", "aaaa", CAP_MSMF},
{"mov", "aaaa", CAP_MSMF},
#endif
#ifdef HAVE_QUICKTIME
{"mov", "aaaa", CAP_QT},
{"avi", "aaaa", CAP_QT},
{"mkv", "aaaa", CAP_QT},
#endif
#ifdef HAVE_AVFOUNDATION
{"mov", "aaaa", CAP_AVFOUNDATION},
{"mp4", "aaaa", CAP_AVFOUNDATION},
{"m4v", "aaaa", CAP_AVFOUNDATION},
#endif
#ifdef HAVE_FFMPEG
{"avi", "aaaa", CAP_FFMPEG},
{"mkv", "aaaa", CAP_FFMPEG},
#endif
#ifdef HAVE_GSTREAMER
{"avi", "aaaa", CAP_GSTREAMER},
{"mkv", "aaaa", CAP_GSTREAMER},
#endif
{"avi", "aaaa", CAP_OPENCV_MJPEG},
};
const size_t N = sizeof(params)/sizeof(params[0]);
vector<Ext_Fourcc_API> result; result.reserve(N);
for (size_t i = 0; i < N; i++)
{
const Ext_Fourcc_API& src = params[i];
Ext_Fourcc_API e = { src.ext, src.fourcc, src.api };
result.push_back(e);
}
return result;
}
INSTANTIATE_TEST_CASE_P(videoio, Videoio_Writer_bad_fourcc, testing::ValuesIn(generate_Ext_Fourcc_API_nocrash()));
typedef testing::TestWithParam<VideoCaptureAPIs> safe_capture;
TEST_P(safe_capture, frames_independency)
{
VideoCaptureAPIs apiPref = GetParam();
if (!videoio_registry::hasBackend(apiPref))
throw SkipTestException(cv::String("Backend is not available/disabled: ") + cv::videoio_registry::getBackendName(apiPref));
VideoCapture cap;
String video_file = BunnyParameters::getFilename(String(".avi"));
EXPECT_NO_THROW(cap.open(video_file, apiPref));
if (!cap.isOpened())
{
std::cout << "SKIP test: backend " << apiPref << " can't open the video: " << video_file << std::endl;
return;
}
Mat frames[10];
Mat hardCopies[10];
for(int i = 0; i < 10; i++)
{
ASSERT_NO_THROW(cap >> frames[i]);
EXPECT_FALSE(frames[i].empty());
hardCopies[i] = frames[i].clone();
}
for(int i = 0; i < 10; i++)
EXPECT_EQ(0, cv::norm(frames[i], hardCopies[i], NORM_INF)) << i;
}
static VideoCaptureAPIs safe_apis[] = {CAP_FFMPEG, CAP_GSTREAMER, CAP_MSMF,CAP_AVFOUNDATION};
INSTANTIATE_TEST_CASE_P(videoio, safe_capture, testing::ValuesIn(safe_apis));
//==================================================================================================
// TEST_P(videocapture_acceleration, ...)
struct VideoCaptureAccelerationInput
{
const char* filename;
double psnr_threshold;
};
static inline
std::ostream& operator<<(std::ostream& out, const VideoCaptureAccelerationInput& p)
{
out << p.filename;
return out;
}
typedef testing::TestWithParam<tuple<VideoCaptureAccelerationInput, VideoCaptureAPIs, VideoAccelerationType, bool>> videocapture_acceleration;
TEST_P(videocapture_acceleration, read)
{
auto param = GetParam();
std::string filename = get<0>(param).filename;
double psnr_threshold = get<0>(param).psnr_threshold;
VideoCaptureAPIs backend = get<1>(param);
VideoAccelerationType va_type = get<2>(param);
bool use_umat = get<3>(param);
const int frameNum = 15;
std::string filepath = cvtest::findDataFile("video/" + filename);
if (backend == CAP_MSMF && (
filename == "sample_322x242_15frames.yuv420p.mjpeg.mp4" ||
filename == "sample_322x242_15frames.yuv420p.libx265.mp4" ||
filename == "sample_322x242_15frames.yuv420p.libaom-av1.mp4" ||
filename == "sample_322x242_15frames.yuv420p.mpeg2video.mp4"
))
throw SkipTestException("Format/codec is not supported");
std::string backend_name = cv::videoio_registry::getBackendName(backend);
if (!videoio_registry::hasBackend(backend))
throw SkipTestException(cv::String("Backend is not available/disabled: ") + backend_name);
// HW reader
std::vector<int> params = { CAP_PROP_HW_ACCELERATION, static_cast<int>(va_type) };
if (use_umat)
{
if (backend != CAP_FFMPEG)
throw SkipTestException(cv::String("UMat/OpenCL mapping is not supported by current backend: ") + backend_name);
if (!cv::videoio_registry::isBackendBuiltIn(backend))
throw SkipTestException(cv::String("UMat/OpenCL mapping is not supported through plugins yet: ") + backend_name);
params.push_back(CAP_PROP_HW_ACCELERATION_USE_OPENCL);
params.push_back(1);
}
VideoCapture hw_reader(filepath, backend, params);
if (!hw_reader.isOpened())
{
if (use_umat)
{
throw SkipTestException(backend_name + " VideoCapture on " + filename + " not supported with HW acceleration + OpenCL/Umat mapping, skipping");
}
else if (va_type == VIDEO_ACCELERATION_ANY || va_type == VIDEO_ACCELERATION_NONE)
{
// ANY HW acceleration should have fallback to SW codecs
VideoCapture sw_reader(filepath, backend, {
CAP_PROP_HW_ACCELERATION, VIDEO_ACCELERATION_NONE
});
if (!sw_reader.isOpened())
throw SkipTestException(backend_name + " VideoCapture on " + filename + " not supported, skipping");
ASSERT_TRUE(hw_reader.isOpened()) << "ANY HW acceleration should have fallback to SW codecs";
}
else
{
throw SkipTestException(backend_name + " VideoCapture on " + filename + " not supported with HW acceleration, skipping");
}
}
VideoAccelerationType actual_va = static_cast<VideoAccelerationType>(static_cast<int>(hw_reader.get(CAP_PROP_HW_ACCELERATION)));
if (va_type != VIDEO_ACCELERATION_ANY && va_type != VIDEO_ACCELERATION_NONE)
{
ASSERT_EQ((int)actual_va, (int)va_type) << "actual_va=" << actual_va << ", va_type=" << va_type;
}
std::cout << "VideoCapture " << backend_name << ":" << actual_va << std::endl << std::flush;
double min_psnr_original = 1000;
for (int i = 0; i < frameNum; i++)
{
SCOPED_TRACE(cv::format("frame=%d", i));
Mat frame;
if (use_umat)
{
UMat umat;
bool read_umat_result = hw_reader.read(umat);
if (!read_umat_result && i == 0)
{
if (filename == "sample_322x242_15frames.yuv420p.libvpx-vp9.mp4")
throw SkipTestException("Unable to read the first frame with VP9 codec (media stack misconfiguration / bug)");
// FFMPEG: [av1 @ 0000027ac07d1340] Your platform doesn't suppport hardware accelerated AV1 decoding.
if (filename == "sample_322x242_15frames.yuv420p.libaom-av1.mp4")
throw SkipTestException("Unable to read the first frame with AV1 codec (missing support)");
}
#ifdef _WIN32
if (!read_umat_result && i == 1)
{
if (filename == "sample_322x242_15frames.yuv420p.libvpx-vp9.mp4")
throw SkipTestException("Unable to read the second frame with VP9 codec (media stack misconfiguration / outdated MSMF version)");
}
#endif
EXPECT_TRUE(read_umat_result);
ASSERT_FALSE(umat.empty());
umat.copyTo(frame);
}
else
{
bool read_result = hw_reader.read(frame);
if (!read_result && i == 0)
{
if (filename == "sample_322x242_15frames.yuv420p.libvpx-vp9.mp4")
throw SkipTestException("Unable to read the first frame with VP9 codec (media stack misconfiguration / bug)");
// FFMPEG: [av1 @ 0000027ac07d1340] Your platform doesn't suppport hardware accelerated AV1 decoding.
if (filename == "sample_322x242_15frames.yuv420p.libaom-av1.mp4")
throw SkipTestException("Unable to read the first frame with AV1 codec (missing support)");
}
#ifdef _WIN32
if (!read_result && i == 1)
{
if (filename == "sample_322x242_15frames.yuv420p.libvpx-vp9.mp4")
throw SkipTestException("Unable to read the second frame with VP9 codec (media stack misconfiguration / outdated MSMF version)");
}
#endif
EXPECT_TRUE(read_result);
}
ASSERT_FALSE(frame.empty());
if (cvtest::debugLevel > 0)
{
imwrite(cv::format("test_frame%03d.png", i), frame);
}
Mat original(frame.size(), CV_8UC3, Scalar::all(0));
generateFrame(i, frameNum, original);
double psnr = cvtest::PSNR(frame, original);
if (psnr < min_psnr_original)
min_psnr_original = psnr;
}
std::ostringstream ss; ss << actual_va;
std::string actual_va_str = ss.str();
std::cout << "VideoCapture with acceleration = " << cv::format("%-6s @ %-10s", actual_va_str.c_str(), backend_name.c_str())
<< " on " << filename
<< " with PSNR-original = " << min_psnr_original
<< std::endl << std::flush;
EXPECT_GE(min_psnr_original, psnr_threshold);
}
static const VideoCaptureAccelerationInput hw_filename[] = {
{ "sample_322x242_15frames.yuv420p.libxvid.mp4", 28.0 },
{ "sample_322x242_15frames.yuv420p.mjpeg.mp4", 20.0 },
{ "sample_322x242_15frames.yuv420p.mpeg2video.mp4", 24.0 }, // GSTREAMER on Ubuntu 18.04
{ "sample_322x242_15frames.yuv420p.libx264.mp4", 24.0 }, // GSTREAMER on Ubuntu 18.04
{ "sample_322x242_15frames.yuv420p.libx265.mp4", 30.0 },
{ "sample_322x242_15frames.yuv420p.libvpx-vp9.mp4", 30.0 },
{ "sample_322x242_15frames.yuv420p.libaom-av1.mp4", 30.0 }
};
static const VideoCaptureAPIs hw_backends[] = {
CAP_FFMPEG,
CAP_GSTREAMER,
#ifdef _WIN32
CAP_MSMF,
#endif
};
static const VideoAccelerationType hw_types[] = {
VIDEO_ACCELERATION_NONE,
VIDEO_ACCELERATION_ANY,
VIDEO_ACCELERATION_MFX,
#ifdef _WIN32
VIDEO_ACCELERATION_D3D11,
#else
VIDEO_ACCELERATION_VAAPI,
#endif
};
static bool hw_use_umat[] = {
false,
true
};
INSTANTIATE_TEST_CASE_P(videoio, videocapture_acceleration, testing::Combine(
testing::ValuesIn(hw_filename),
testing::ValuesIn(hw_backends),
testing::ValuesIn(hw_types),
testing::ValuesIn(hw_use_umat)
));
////////////////////////////////////////// TEST_P(video_acceleration, write_read)
typedef tuple<Ext_Fourcc_PSNR, VideoAccelerationType, bool> VATestParams;
typedef testing::TestWithParam<VATestParams> videowriter_acceleration;
TEST_P(videowriter_acceleration, write)
{
auto param = GetParam();
VideoCaptureAPIs backend = get<0>(param).api;
std::string codecid = get<0>(param).fourcc;
std::string extension = get<0>(param).ext;
double psnr_threshold = get<0>(param).PSNR;
VideoAccelerationType va_type = get<1>(param);
bool use_umat = get<2>(param);
std::string backend_name = cv::videoio_registry::getBackendName(backend);
if (!videoio_registry::hasBackend(backend))
throw SkipTestException(cv::String("Backend is not available/disabled: ") + backend_name);
const Size sz(640, 480);
const int frameNum = 15;
const double fps = 25;
std::string filename = tempfile("videowriter_acceleration.") + extension;
// Write video
VideoAccelerationType actual_va;
{
std::vector<int> params = { VIDEOWRITER_PROP_HW_ACCELERATION, static_cast<int>(va_type) };
if (use_umat) {
if (backend != CAP_FFMPEG)
throw SkipTestException(cv::String("UMat/OpenCL mapping is not supported by current backend: ") + backend_name);
if (!cv::videoio_registry::isBackendBuiltIn(backend))
throw SkipTestException(cv::String("UMat/OpenCL mapping is not supported through plugins yet: ") + backend_name);
params.push_back(VIDEOWRITER_PROP_HW_ACCELERATION_USE_OPENCL);
params.push_back(1);
}
VideoWriter hw_writer(
filename,
backend,
VideoWriter::fourcc(codecid[0], codecid[1], codecid[2], codecid[3]),
fps,
sz,
params
);
if (!hw_writer.isOpened())
{
if (use_umat)
{
throw SkipTestException(backend_name + " VideoWriter on " + filename + " not supported with HW acceleration + OpenCL/Umat mapping, skipping");
}
else if (va_type == VIDEO_ACCELERATION_ANY || va_type == VIDEO_ACCELERATION_NONE)
{
// ANY HW acceleration should have fallback to SW codecs
{
VideoWriter sw_writer(
filename,
backend,
VideoWriter::fourcc(codecid[0], codecid[1], codecid[2], codecid[3]),
fps,
sz,
{
VIDEOWRITER_PROP_HW_ACCELERATION, VIDEO_ACCELERATION_NONE,
}
);
if (!sw_writer.isOpened()) {
remove(filename.c_str());
throw SkipTestException(backend_name + " VideoWriter on codec " + codecid + " not supported, skipping");
}
}
remove(filename.c_str());
ASSERT_TRUE(hw_writer.isOpened()) << "ANY HW acceleration should have fallback to SW codecs";
} else {
throw SkipTestException(backend_name + " VideoWriter on " + filename + " not supported with HW acceleration, skipping");
}
}
actual_va = static_cast<VideoAccelerationType>(static_cast<int>(hw_writer.get(VIDEOWRITER_PROP_HW_ACCELERATION)));
if (va_type != VIDEO_ACCELERATION_ANY && va_type != VIDEO_ACCELERATION_NONE)
{
ASSERT_EQ((int)actual_va, (int)va_type) << "actual_va=" << actual_va << ", va_type=" << va_type;
}
std::cout << "VideoWriter " << backend_name << ":" << actual_va << std::endl << std::flush;
Mat frame(sz, CV_8UC3);
for (int i = 0; i < frameNum; ++i) {
generateFrame(i, frameNum, frame);
if (use_umat) {
UMat umat;
frame.copyTo(umat);
hw_writer.write(umat);
}
else {
hw_writer.write(frame);
}
}
}
std::ifstream ofile(filename, std::ios::binary);
ofile.seekg(0, std::ios::end);
int64 fileSize = (int64)ofile.tellg();
ASSERT_GT(fileSize, 0);
std::cout << "File size: " << fileSize << std::endl;
// Read video and check PSNR on every frame
{
VideoCapture reader(
filename,
CAP_ANY /*backend*/,
{ CAP_PROP_HW_ACCELERATION, VIDEO_ACCELERATION_NONE }
);
ASSERT_TRUE(reader.isOpened());
double min_psnr = 1000;
Mat reference(sz, CV_8UC3);
for (int i = 0; i < frameNum; ++i) {
Mat actual;
if (use_umat) {
UMat umat;
EXPECT_TRUE(reader.read(umat));
umat.copyTo(actual);
}
else {
EXPECT_TRUE(reader.read(actual));
}
EXPECT_FALSE(actual.empty());
generateFrame(i, frameNum, reference);
EXPECT_EQ(reference.size(), actual.size());
EXPECT_EQ(reference.depth(), actual.depth());
EXPECT_EQ(reference.channels(), actual.channels());
double psnr = cvtest::PSNR(actual, reference);
EXPECT_GE(psnr, psnr_threshold) << " frame " << i;
if (psnr < min_psnr)
min_psnr = psnr;
}
Mat actual;
EXPECT_FALSE(reader.read(actual));
{
std::ostringstream ss; ss << actual_va;
std::string actual_va_str = ss.str();
std::cout << "VideoWriter with acceleration = " << cv::format("%-6s @ %-10s", actual_va_str.c_str(), backend_name.c_str())
<< " on codec=" << codecid << " (." << extension << ")"
<< ", bitrate = " << fileSize / (frameNum / fps)
<< ", with PSNR-original = " << min_psnr
<< std::endl << std::flush;
}
remove(filename.c_str());
}
}
static Ext_Fourcc_PSNR hw_codecs[] = {
{"mp4", "MPEG", 29.f, CAP_FFMPEG},
{"mp4", "H264", 29.f, CAP_FFMPEG},
{"mp4", "HEVC", 29.f, CAP_FFMPEG},
{"avi", "MJPG", 29.f, CAP_FFMPEG},
{"avi", "XVID", 29.f, CAP_FFMPEG},
//{"webm", "VP8", 29.f, CAP_FFMPEG},
//{"webm", "VP9", 29.f, CAP_FFMPEG},
{"mkv", "MPEG", 29.f, CAP_GSTREAMER},
{"mkv", "H264", 29.f, CAP_GSTREAMER},
#ifdef _WIN32
{"mp4", "MPEG", 29.f, CAP_MSMF},
{"mp4", "H264", 29.f, CAP_MSMF},
#endif
};
INSTANTIATE_TEST_CASE_P(videoio, videowriter_acceleration, testing::Combine(
testing::ValuesIn(hw_codecs),
testing::ValuesIn(hw_types),
testing::ValuesIn(hw_use_umat)
));
} // namespace
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