cudacodec::VideoReader: allow frame seek on initialization #3542
Allow seeking of video source on initialization of `cudacodec::VideoReader` when new variable `VideoReaderInitParams::iFirstFrame` != 0.
Dependant on https://github.com/opencv/opencv/pull/24012
Fixes https://github.com/opencv/opencv_contrib/issues/3541.
### Pull Request Readiness Checklist
See details at https://github.com/opencv/opencv/wiki/How_to_contribute#making-a-good-pull-request
- [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
- [x] There is accuracy test, performance test and test data in opencv_extra repository, if applicable
Patch to opencv_extra has the same branch name.
- [x] The feature is well documented and sample code can be built with the project CMake
cudawarped
Vadim Levin
Your Name
Gary Allen