G-API: Wrap GStreamerSource #20832

TolyaTalamanov · 2021-10-07T09:47:24Z

Pull Request Readiness Checklist

See details at https://github.com/opencv/opencv/wiki/How_to_contribute#making-a-good-pull-request

I agree to contribute to the project under Apache 2 License.
To the best of my knowledge, the proposed patch is not based on a code under GPL or other license that is incompatible with OpenCV
The PR is proposed to proper branch
There is reference to original bug report and related work
There is accuracy test, performance test and test data in opencv_extra repository, if applicable
Patch to opencv_extra has the same branch name.
The feature is well documented and sample code can be built with the project CMake

Build configuration

build_image:Linux AVX2=ubuntu:20.04
force_builders=Custom,Custom Win,Custom Mac,Linux AVX2
build_gapi_standalone:Linux x64=ade-0.1.1f
build_gapi_standalone:Win64=ade-0.1.1f
build_gapi_standalone:Mac=ade-0.1.1f
build_gapi_standalone:Linux x64 Debug=ade-0.1.1f
Xbuild_image:Custom=centos:7
Xbuildworker:Custom=linux-1
build_gapi_standalone:Custom=ade-0.1.1f
build_image:Custom=ubuntu-openvino-2021.4.1:20.04
build_image:Custom Win=openvino-2021.2.0
build_image:Custom Mac=openvino-2021.2.0
test_modules:Custom=gapi,python2,python3,java
test_modules:Custom Win=gapi,python2,python3,java
test_modules:Custom Mac=gapi,python2,python3,java
buildworker:Custom=linux-1
# disabled due high memory usage: test_opencl:Custom=ON
test_opencl:Custom=OFF
test_bigdata:Custom=1
test_filter:Custom=*

modules/gapi/include/opencv2/gapi/streaming/gstreamer/gstreamerpipeline.hpp

modules/gapi/misc/python/package/gapi/__init__.py

modules/gapi/misc/python/pyopencv_gapi.hpp

modules/gapi/misc/python/test/test_gapi_streaming.py

modules/gapi/include/opencv2/gapi/streaming/gstreamer/gstreamerpipeline.hpp

…-specific in-class method GStreamerPipeline::get_streaming_source()

Add better handling of GStreamer backend unavailable; Changed video to avoid terminations

modules/gapi/misc/python/test/test_gapi_streaming.py

modules/gapi/include/opencv2/gapi/streaming/gstreamer/gstreamerpipeline.hpp

modules/gapi/misc/python/test/test_gapi_streaming.py

TolyaTalamanov

LGTM 👍

…er-source G-API: Wrap GStreamerSource * Wrap GStreamerSource into python * Fixed test skipping when can't make Gst-src * Wrapped GStreamerPipeline class, added dummy test for it * Fix no_gst testing * Changed wrap for GStreamerPipeline::getStreamingSource() : now python-specific in-class method GStreamerPipeline::get_streaming_source() * Added accuracy tests vs OCV:VideoCapture(Gstreamer) * Add skipping when can't use VideoCapture(GSTREAMER); Add better handling of GStreamer backend unavailable; Changed video to avoid terminations * Applying comments * back to a separate get_streaming_source function, with comment Co-authored-by: OrestChura <orest.chura@intel.com>

TolyaTalamanov added category: g-api / gapi category: python bindings labels Oct 7, 2021

TolyaTalamanov mentioned this pull request Oct 7, 2021

Ported GStreamerSource to OpenCV #20709

Merged

6 tasks

OrestChura force-pushed the at/python-gstreamer-source branch from 80aa262 to a3921e4 Compare December 7, 2021 14:51

OrestChura force-pushed the at/python-gstreamer-source branch from b24a1b2 to d66bb32 Compare December 15, 2021 05:22

TolyaTalamanov commented Dec 15, 2021

View reviewed changes

OrestChura force-pushed the at/python-gstreamer-source branch from b370e17 to 0308bb4 Compare December 17, 2021 04:43

OrestChura force-pushed the at/python-gstreamer-source branch from 7af4fe1 to ceab824 Compare December 24, 2021 08:39

dmatveev added this to the 4.6.0 milestone Dec 24, 2021

dmatveev self-assigned this Dec 24, 2021

OrestChura force-pushed the at/python-gstreamer-source branch from ceab824 to d6f89a3 Compare December 27, 2021 03:33

TolyaTalamanov commented Dec 29, 2021

View reviewed changes

modules/gapi/include/opencv2/gapi/streaming/gstreamer/gstreamerpipeline.hpp Outdated Show resolved Hide resolved

TolyaTalamanov and others added 7 commits January 10, 2022 11:18

Wrap GStreamerSource into python

a047a38

Fixed test skipping when can't make Gst-src

6e06ecf

Wrapped GStreamerPipeline class, added dummy test for it

51a9282

Fix no_gst testing

ccfeb7a

Changed wrap for GStreamerPipeline::getStreamingSource() : now python…

0e46b96

…-specific in-class method GStreamerPipeline::get_streaming_source()

Added accuracy tests vs OCV:VideoCapture(Gstreamer)

fbf19b9

Add skipping when can't use VideoCapture(GSTREAMER);

393ce9c

Add better handling of GStreamer backend unavailable; Changed video to avoid terminations

OrestChura force-pushed the at/python-gstreamer-source branch from d6f89a3 to 0e6a27e Compare January 10, 2022 09:20