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videoio: update GStreamer code#14834

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opencv-pushbot merged 4 commits intoopencv:3.4from
alalek:videoio_gstreamer_issues
Jun 21, 2019
Merged

videoio: update GStreamer code#14834
opencv-pushbot merged 4 commits intoopencv:3.4from
alalek:videoio_gstreamer_issues

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@alalek alalek commented Jun 19, 2019 •
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  • exception-safe smart pointers, fixed many memory leaks
  • fixed errors handling
  • fixed strings handling
  • fixed file existence check
  • fixed toFraction() implementation
  • add 'drop=true' for v4l2 input
  • avoid overriding custom pipelines sink's 'max-buffers' value
  • updated valgrind supression rules
  • added support for GStreamer native leaks tracking (via gst_deinit() call)
  • repaired capturing through GStreamer0.10 (fixed CV_8UC1)
allow_multiple_commits=1
force_builders=Custom,Linux AVX2
build_image:Custom=gstreamer:16.04
#build_image:Custom=gstreamer0.10:16.04
buildworker:Custom=linux-1

@alalek alalek mentioned this pull request Jun 20, 2019
Merged
alalek and others added 4 commits June 20, 2019 17:48
@alalek
videoio(test): add extra videoio tests
baf372a
@alalek
core: backport toLowerCase()/toUpperCase()
681e032
@alalek
videoio(test): avoid raw ptr in ffmpeg tests
ab24325 
causes leaks if FFmpeg is disabled through OPENCV_VIDEOIO_PRIORITY_FFMPEG=0
@alalek
videoio: refactor GStreamer backend
8ab6efb 
- exception safe smart pointers, fixed many memory leaks
- fixed errors handling
- fixed strings handling
- fixed file existence check
- fixed toFraction() implementation
- add 'drop=true' for v4l2 input
- avoid overriding custom pipelines sink's 'max-buffers' value
- updated valgrind supression rules
- added support for GStreamer native leaks tracking (via gst_deinit() call)
- repaired capturing through GStreamer0.10 (fixed CV_8UC1)
@opencv-pushbot opencv-pushbot merged commit 8ab6efb into opencv:3.4 Jun 21, 2019
opencv-pushbot pushed a commit that referenced this pull request Jun 21, 2019
@alalek
Merge pull request #14834 from alalek:videoio_gstreamer_issues
6b32bd5
@alalek alalek mentioned this pull request Jun 21, 2019
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@mshabunin mshabunin mentioned this pull request Jul 18, 2019
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@PedroRibeiro37 PedroRibeiro37 mentioned this pull request Nov 11, 2021
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@buttercutter buttercutter mentioned this pull request Mar 31, 2022
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@alecatalfamo
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alecatalfamo commented Apr 12, 2022

Sorry, i don't understand the location in which i have to insert this lines before building opencv. Thank you

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@mshabunin mshabunin mshabunin approved these changes

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bug category: videoio port/backport done Label for maintainers. Authors of PR can ignore this

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@alalek @alecatalfamo @mshabunin @opencv-pushbot