Handle BGRA streams in GStreamer backend

asmorkalov commented 1 month ago

Safer replacement for https://github.com/opencv/opencv/pull/25557 Jetson Orin provides BGRx stream in some cases.

[x] I agree to contribute to the project under Apache 2 License.
[x] To the best of my knowledge, the proposed patch is not based on a code under GPL or another license that is incompatible with OpenCV
[x] The PR is proposed to the proper branch
[x] There is a reference to the 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

asmorkalov commented 1 week ago

@Liedermaus could you try the patch? I changed format priorities a bit to not break existing behavior.

asmorkalov commented 1 week ago

@opencv-alalek @mshabunin Could you take a look? I fixed regressions and re-order GStreamer caps options.

asmorkalov commented 6 days ago

Color image has higher priority, IMHO.

opencv / opencv