* Add basics of VideoPreviewer to build on
* WIP
* Minimal working code, todo next:dimension + MTC
* Nits
* Change back to GetImageSize as it indeed doesn't work with videos
* Add win32 helper methods to get video size; Refactor get size operation;
* Remove unused code
* Set VideoTask; Add message error for HR result;
* Add open read only for filestream
* Remove unused code
* Update expect.txt
* Remove comment
* Cleanup code
* Force pause videopreview on previewer change
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Co-authored-by: Jojo Zhou <yizzho@microsoft.com>
Co-authored-by: Yawen Hou <yawenhou@microsoft.com>
Co-authored-by: Clint Rutkas <clint@rutkas.com>
Co-authored-by: Yawen Hou <Sytta@users.noreply.github.com>
Co-authored-by: Samuel Chapleau 🌈 <sachaple@microsoft.com>
