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Fixed GStreamer encoding pipeline frame drop for most cases.

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For several muxers and encoders GStreamer still drops the last frame.
This commit is contained in:
Alexander Smorkalov
2014-09-16 17:05:36 +04:00
parent 38887e6ea9
commit a419b64347
2 changed files with 100 additions and 19 deletions
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12
modules/videoio/test/test_video_io.cpp
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@@ -92,7 +92,9 @@ const VideoFormat g_specific_fmt_list[] =
VideoFormat("mkv", VideoWriter::fourcc('X', 'V', 'I', 'D')),
VideoFormat("mkv", VideoWriter::fourcc('M', 'P', 'E', 'G')),
VideoFormat("mkv", VideoWriter::fourcc('M', 'J', 'P', 'G')),
#ifndef HAVE_GSTREAMER
VideoFormat("mov", VideoWriter::fourcc('m', 'p', '4', 'v')),
#endif
VideoFormat()
};
#endif
@@ -490,7 +492,13 @@ void CV_VideoIOTest::SpecificVideoTest(const string& dir, const cvtest::VideoFor
if (fourcc == VideoWriter::fourcc('M', 'P', 'E', 'G') && ext == "mkv")
allowed_extra_frames = 1;
if (FRAME_COUNT < IMAGE_COUNT || FRAME_COUNT > IMAGE_COUNT + allowed_extra_frames)
// Hack! Some GStreamer encoding pipelines drop last frame in the video
int allowed_frame_frop = 0;
#ifdef HAVE_GSTREAMER
allowed_frame_frop = 1;
#endif
if (FRAME_COUNT < IMAGE_COUNT - allowed_frame_frop || FRAME_COUNT > IMAGE_COUNT + allowed_extra_frames)
{
ts->printf(ts->LOG, "\nFrame count checking for video_%s.%s...\n", fourcc_str.c_str(), ext.c_str());
ts->printf(ts->LOG, "Video codec: %s\n", fourcc_str.c_str());
@@ -505,7 +513,7 @@ void CV_VideoIOTest::SpecificVideoTest(const string& dir, const cvtest::VideoFor
return;
}
for (int i = 0; (size_t)i < IMAGE_COUNT; i++)
for (int i = 0; (size_t)i < IMAGE_COUNT-allowed_frame_frop; i++)
{
Mat frame; cap >> frame;
if (frame.empty())