av_image_copy_uc_from  382 libavutil/hwcontext_dxva2.c     av_image_copy_uc_from(dst->data, dst_linesize, (const uint8_t **)map->data, src_linesize,
av_image_copy_uc_from  137 libavutil/imgutils.h void av_image_copy_uc_from(uint8_t *dst_data[4],       const ptrdiff_t dst_linesizes[4],