docdude

I have extracted the YUV planes from the HEVC P030 format using` av_hwframe_transfer_data().` This function in hwcontext_drm.c calls `drm_transfer_data_from() `which, if SAND is configured for ffmpeg, will call `av_rpi_sand30_to_planar_y16()`. I...

> Well the good news is that someone is looking into enabling GL SAND30 texture import - whether or not that will turn out to be successful or fast enough...

> If you want example code that outputs HDR directly via DRM look at my drmu project (hello_drmu is a trivial video player). I already output HDR metadata through DRM...

> Having looked at your patches a bit harder - isn't it just a matter of dropping the dovi header into the dovi blob? I assume not as you wouldn't...

> Can you explain roughly what this involves? Does it require processing per pixel for the decoded video frame? If so roughly how many operations, and what is it doing...

Sorry for the late response. > Am I right that if you output a Dolby standard header & encode the appropriate data in the picture you don't need to manipulate...

Your welcome. I was wondering if HVS has a 12bit or 16bit format. Mesa has exposed 16bit. I have a utility ive written to write to HVS directly from userspace...

Thanks again.