The existing usecase is HDR video playback. It is demonstrated in
If you connect to a TV with HDR mode and has YUV420 10-bit Rec2020 HEVC stream, can run the command:
./video_dec_drm Chess_Short.hevc H265 --disable-ui
In this case, the output is in HDMI YUV422 12bpc. Looks like you need output in RGB 12bpc. We don’t support this case.