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Merge remote-tracking branch 'upstream/3.4' into merge-3.4

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This commit is contained in:
Alexander Alekhin
2020-12-04 18:25:32 +00:00
parent 22d64ae08f 12a36b5a94
commit 6fdb7aee84
51 changed files with 2880 additions and 112 deletions
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modules/videoio/test/test_video_io.cpp
+30
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@@ -233,6 +233,34 @@ public:
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));
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));
const double frame_period = 1000.f/bunny_param.getFps();
// NOTE: eps == frame_period, because videoCapture returns frame begining 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);
}
}
};
//==================================================================================================
@@ -353,6 +381,8 @@ 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),