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Added fastcv color conversions #3967 This pull request introduces FastCV-based color conversions: ``` COLOR_YUV2YUV444sp_NV12 //!< FastCV: YCbCr420PseudoPlanar to YCbCr444PseudoPlanar COLOR_YUV2YUV422sp_NV12 //!< FastCV: YCbCr420PseudoPlanar to YCbCr422PseudoPlanar COLOR_YUV422sp2YUV444sp //!< FastCV: YCbCr422PseudoPlanar to YCbCr444PseudoPlanar COLOR_YUV422sp2YUV_NV12 //!< FastCV: YCbCr422PseudoPlanar to YCbCr420PseudoPlanar COLOR_YUV444sp2YUV422sp //!< FastCV: YCbCr444PseudoPlanar to YCbCr422PseudoPlanar COLOR_YUV444sp2YUV_NV12 //!< FastCV: YCbCr444PseudoPlanar to YCbCr420PseudoPlanar COLOR_YUV2RGB565_NV12 //!< FastCV: YCbCr420PseudoPlanar to RGB565 COLOR_YUV422sp2RGB565 //!< FastCV: YCbCr422PseudoPlanar to RGB565 COLOR_YUV422sp2RGB //!< FastCV: YCbCr422PseudoPlanar to RGB888 COLOR_YUV422sp2RGBA //!< FastCV: YCbCr422PseudoPlanar to RGBA8888 COLOR_YUV444sp2RGB565 //!< FastCV: YCbCr444PseudoPlanar to RGB565 COLOR_YUV444sp2RGB //!< FastCV: YCbCr444PseudoPlanar to RGB888 COLOR_YUV444sp2RGBA //!< FastCV: YCbCr444PseudoPlanar to RGBA8888 COLOR_RGB2YUV_NV12 //!< FastCV: RGB888 to YCbCr420PseudoPlanar COLOR_RGB5652YUV444sp //!< FastCV: RGB565 to YCbCr444PseudoPlanar COLOR_RGB5652YUV422sp //!< FastCV: RGB565 to YCbCr422PseudoPlanar COLOR_RGB5652YUV_NV12 //!< FastCV: RGB565 to YCbCr420PseudoPlanar COLOR_RGB2YUV444sp //!< FastCV: RGB888 to YCbCr444PseudoPlanar COLOR_RGB2YUV422sp //!< FastCV: RGB888 to YCbCr422PseudoPlanar ``` ### 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