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videoio: fix incorrect timestamps returned by VideoCapture when using raw video parsing mode

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This commit is contained in:
cudawarped
2023-12-31 09:12:11 +02:00
parent a8ec658611
commit 81865b3d52
3 changed files with 66 additions and 2 deletions
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modules/videoio/test/test_ffmpeg.cpp
+60
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@@ -235,6 +235,66 @@ const videoio_container_params_t videoio_container_params[] =
INSTANTIATE_TEST_CASE_P(/**/, videoio_container, testing::ValuesIn(videoio_container_params));
typedef tuple<VideoCaptureAPIs, string, int, int, int, int, int> videoio_container_get_params_t;
typedef testing::TestWithParam<videoio_container_get_params_t > videoio_container_get;
TEST_P(videoio_container_get, read)
{
const VideoCaptureAPIs api = get<0>(GetParam());
if (!videoio_registry::hasBackend(api))
throw SkipTestException("Backend was not found");
const string fileName = get<1>(GetParam());
const int height = get<2>(GetParam());
const int width = get<3>(GetParam());
const int nFrames = get<4>(GetParam());
const int bitrate = get<5>(GetParam());
const int fps = get<6>(GetParam());
VideoCapture container(findDataFile(fileName), api, { CAP_PROP_FORMAT, -1 });
if (!container.isOpened())
throw SkipTestException("Video stream is not supported");
const int heightProp = static_cast<int>(container.get(CAP_PROP_FRAME_HEIGHT));
ASSERT_EQ(height, heightProp);
const int widthProp = static_cast<int>(container.get(CAP_PROP_FRAME_WIDTH));
ASSERT_EQ(width, widthProp);
const int nFramesProp = static_cast<int>(container.get(CAP_PROP_FRAME_COUNT));
ASSERT_EQ(nFrames, nFramesProp);
const int bitrateProp = static_cast<int>(container.get(CAP_PROP_BITRATE));
ASSERT_EQ(bitrate, bitrateProp);
const double fpsProp = container.get(CAP_PROP_FPS);
ASSERT_EQ(fps, fpsProp);
// remove when PR fixing raw video CAP_PROP_POS_MSEC return value is merged and windows dll is updated
#ifndef _WIN32
vector<int> displayTimeMs;
int iFrame = 1;
while (container.grab()) {
displayTimeMs.push_back(static_cast<int>(container.get(CAP_PROP_POS_MSEC)));
const int iFrameProp = static_cast<int>(container.get(CAP_PROP_POS_FRAMES));
ASSERT_EQ(iFrame++, iFrameProp);
}
sort(displayTimeMs.begin(), displayTimeMs.end());
vector<int> displayTimeDiffMs(displayTimeMs.size());
std::adjacent_difference(displayTimeMs.begin(), displayTimeMs.end(), displayTimeDiffMs.begin());
auto minTimeMsIt = min_element(displayTimeDiffMs.begin() + 1, displayTimeDiffMs.end());
auto maxTimeMsIt = max_element(displayTimeDiffMs.begin() + 1, displayTimeDiffMs.end());
const int frameTimeMs = static_cast<int>(1000.0 / fps);
ASSERT_NEAR(frameTimeMs, *minTimeMsIt, 1);
ASSERT_NEAR(frameTimeMs, *maxTimeMsIt, 1);
#endif
}
const videoio_container_get_params_t videoio_container_get_params[] =
{
videoio_container_get_params_t(CAP_FFMPEG, "video/big_buck_bunny.mp4", 384, 672, 125, 483, 24),
videoio_container_get_params_t(CAP_FFMPEG, "video/big_buck_bunny.mjpg.avi", 384, 672, 125, 2713, 24),
videoio_container_get_params_t(CAP_FFMPEG, "video/sample_322x242_15frames.yuv420p.libx264.mp4", 242, 322, 15, 542, 25)
};
INSTANTIATE_TEST_CASE_P(/**/, videoio_container_get, testing::ValuesIn(videoio_container_get_params));
typedef tuple<string, string, int, int> videoio_encapsulate_params_t;
typedef testing::TestWithParam< videoio_encapsulate_params_t > videoio_encapsulate;