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videoio(gstreamer): port changes from 14834

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This commit is contained in:
Alexander Alekhin
2019-06-20 13:51:57 +03:00
parent 1d2ef6b2a1
commit 2b2633c11f
6 changed files with 828 additions and 484 deletions
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modules/videoio/test/test_gstreamer.cpp
+18
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@@ -73,4 +73,22 @@ Param test_data[] = {
INSTANTIATE_TEST_CASE_P(videoio, videoio_gstreamer, testing::ValuesIn(test_data));
TEST(Videoio_GStreamer, unsupported_pipeline)
{
VideoCaptureAPIs apiPref = CAP_GSTREAMER;
if (!isBackendAvailable(apiPref, cv::videoio_registry::getStreamBackends()))
throw SkipTestException(cv::String("Backend is not available/disabled: ") + cv::videoio_registry::getBackendName(apiPref));
// could not link videoconvert0 to matroskamux0, matroskamux0 can't handle caps video/x-raw, format=(string)RGBA
std::string pipeline = "appsrc ! videoconvert ! video/x-raw, format=(string)RGBA ! matroskamux ! filesink location=test.mkv";
Size frame_size(640, 480);
VideoWriter writer;
EXPECT_NO_THROW(writer.open(pipeline, apiPref, 0/*fourcc*/, 30/*fps*/, frame_size, true));
EXPECT_FALSE(writer.isOpened());
// no frames
EXPECT_NO_THROW(writer.release());
}
} // namespace