Open Source Computer Vision Library https://opencv.org/
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/*M///////////////////////////////////////////////////////////////////////////////////////
//
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// License Agreement
// For Open Source Computer Vision Library
//
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#include "test_precomp.hpp"
#include "opencv2/videoio/videoio_c.h"
namespace opencv_test
{
struct VideoCaptureAPI
{
VideoCaptureAPIs api;
inline const char * toString() const
{
switch (api)
{
case CAP_ANY: return "CAP_ANY";
#ifdef __linux__
case CAP_V4L2: return "CAP_V4L/CAP_V4L2";
#else
case CAP_VFW: return "CAP_VFW";
#endif
case CAP_FIREWIRE: return "CAP_FIREWIRE";
case CAP_QT: return "CAP_QT";
case CAP_UNICAP: return "CAP_UNICAP";
case CAP_DSHOW: return "CAP_DSHOW";
case CAP_PVAPI: return "CAP_PVAPI";
case CAP_OPENNI: return "CAP_OPENNI";
case CAP_OPENNI_ASUS: return "CAP_OPENNI_ASUS";
case CAP_ANDROID: return "CAP_ANDROID";
case CAP_XIAPI: return "CAP_XIAPI";
case CAP_AVFOUNDATION: return "CAP_AVFOUNDATION";
case CAP_GIGANETIX: return "CAP_GIGANETIX";
case CAP_MSMF: return "CAP_MSMF";
case CAP_WINRT: return "CAP_WINRT";
case CAP_INTELPERC: return "CAP_INTELPERC";
case CAP_OPENNI2: return "CAP_OPENNI2";
case CAP_OPENNI2_ASUS: return "CAP_OPENNI2_ASUS";
case CAP_GPHOTO2: return "CAP_GPHOTO2";
case CAP_GSTREAMER: return "CAP_GSTREAMER";
case CAP_FFMPEG: return "CAP_FFMPEG";
case CAP_IMAGES: return "CAP_IMAGES";
case CAP_ARAVIS: return "CAP_ARAVIS";
case CAP_OPENCV_MJPEG: return "CAP_OPENCV_MJPEG";
case CAP_INTEL_MFX: return "CAP_INTEL_MFX";
case CAP_XINE: return "CAP_XINE";
}
return "unknown";
}
VideoCaptureAPI(int api_ = CAP_ANY) : api((VideoCaptureAPIs)api_) {}
operator int() { return api; }
};
inline std::ostream &operator<<(std::ostream &out, const VideoCaptureAPI & api)
{
out << api.toString(); return out;
}
class Videoio_Test_Base
{
protected:
string ext;
string video_file;
VideoCaptureAPI apiPref;
protected:
Videoio_Test_Base() {}
virtual ~Videoio_Test_Base() {}
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()
{
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);
}
}
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 (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);
}
}
}
};
//==================================================================================================
typedef tuple<string, VideoCaptureAPI> 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()
{
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 (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;
}
};
//==================================================================================================
struct Ext_Fourcc_PSNR
{
string ext;
string fourcc;
float PSNR;
VideoCaptureAPI 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 SetUp()
{
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);
}
EXPECT_NO_THROW(writer.release());
}
void TearDown()
{
remove(video_file.c_str());
}
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 VideoCaptureAPI backend_params[] = {
#ifdef HAVE_QUICKTIME
CAP_QT,
#endif
// TODO: Broken?
//#ifdef HAVE_AVFOUNDATION
// CAP_AVFOUNDATION,
//#endif
#ifdef HAVE_MSMF
CAP_MSMF,
#endif
// TODO: Broken?
//#ifdef HAVE_VFW
// CAP_VFW,
//#endif
#ifdef HAVE_GSTREAMER
CAP_GSTREAMER,
#endif
#ifdef HAVE_FFMPEG
CAP_FFMPEG,
#endif
#ifdef HAVE_XINE
CAP_XINE,
#endif
CAP_OPENCV_MJPEG
// CAP_INTEL_MFX
};
static string bunny_params[] = {
#ifdef HAVE_VIDEO_INPUT
string("wmv"),
string("mov"),
string("mp4"),
string("mpg"),
string("avi"),
string("h264"),
string("h265"),
#endif
string("mjpg.avi")
};
TEST_P(Videoio_Bunny, read_position) { doTest(); }
TEST_P(Videoio_Bunny, frame_count) { doFrameCountTest(); }
INSTANTIATE_TEST_CASE_P(videoio, Videoio_Bunny,
testing::Combine(
testing::ValuesIn(bunny_params),
testing::ValuesIn(backend_params)));
//==================================================================================================
inline Ext_Fourcc_PSNR makeParam(const char * ext, const char * fourcc, float psnr, VideoCaptureAPIs apipref)
{
Ext_Fourcc_PSNR res;
res.ext = ext;
res.fourcc = fourcc;
res.PSNR = psnr;
res.api = apipref;
return res;
}
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 HAVE_MSMF
#if !defined(_M_ARM)
makeParam("wmv", "WMV1", 30.f, CAP_MSMF),
makeParam("wmv", "WMV2", 30.f, CAP_MSMF),
#endif
makeParam("wmv", "WMV3", 30.f, CAP_MSMF),
makeParam("wmv", "WVC1", 30.f, CAP_MSMF),
makeParam("mov", "H264", 30.f, CAP_MSMF),
#endif
// TODO: Broken?
//#ifdef HAVE_VFW
//#if !defined(_M_ARM)
// makeParam("wmv", "WMV1", 30.f, CAP_VFW),
// makeParam("wmv", "WMV2", 30.f, CAP_VFW),
//#endif
// makeParam("wmv", "WMV3", 30.f, CAP_VFW),
// makeParam("wmv", "WVC1", 30.f, CAP_VFW),
// makeParam("avi", "H264", 30.f, CAP_VFW),
// makeParam("avi", "MJPG", 30.f, CAP_VFW),
//#endif
#ifdef HAVE_QUICKTIME
makeParam("mov", "mp4v", 30.f, CAP_QT),
makeParam("avi", "XVID", 30.f, CAP_QT),
makeParam("avi", "MPEG", 30.f, CAP_QT),
makeParam("avi", "IYUV", 30.f, CAP_QT),
makeParam("avi", "MJPG", 30.f, CAP_QT),
makeParam("mkv", "XVID", 30.f, CAP_QT),
makeParam("mkv", "MPEG", 30.f, CAP_QT),
makeParam("mkv", "MJPG", 30.f, CAP_QT),
#endif
// TODO: Broken?
//#ifdef HAVE_AVFOUNDATION
// makeParam("mov", "mp4v", 30.f, CAP_AVFOUNDATION),
// makeParam("avi", "XVID", 30.f, CAP_AVFOUNDATION),
// makeParam("avi", "MPEG", 30.f, CAP_AVFOUNDATION),
// makeParam("avi", "IYUV", 30.f, CAP_AVFOUNDATION),
// makeParam("avi", "MJPG", 30.f, CAP_AVFOUNDATION),
// makeParam("mkv", "XVID", 30.f, CAP_AVFOUNDATION),
// makeParam("mkv", "MPEG", 30.f, CAP_AVFOUNDATION),
// makeParam("mkv", "MJPG", 30.f, CAP_AVFOUNDATION),
//#endif
#ifdef HAVE_FFMPEG
makeParam("avi", "XVID", 30.f, CAP_FFMPEG),
makeParam("avi", "MPEG", 30.f, CAP_FFMPEG),
makeParam("avi", "IYUV", 30.f, CAP_FFMPEG),
makeParam("avi", "MJPG", 30.f, CAP_FFMPEG),
makeParam("mkv", "XVID", 30.f, CAP_FFMPEG),
makeParam("mkv", "MPEG", 30.f, CAP_FFMPEG),
makeParam("mkv", "MJPG", 30.f, CAP_FFMPEG),
#endif
#ifdef HAVE_GSTREAMER
makeParam("avi", "MPEG", 30.f, CAP_GSTREAMER),
makeParam("avi", "MJPG", 30.f, CAP_GSTREAMER),
makeParam("avi", "H264", 30.f, CAP_GSTREAMER),
makeParam("mkv", "MPEG", 30.f, CAP_GSTREAMER),
makeParam("mkv", "MJPG", 30.f, CAP_GSTREAMER),
makeParam("mkv", "H264", 30.f, CAP_GSTREAMER),
#endif
makeParam("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)));
} // namespace