NVDEC and 10-bit HEVC decode

Samuel Hurst samuelh at rd.bbc.co.uk
Tue Jun 19 09:04:00 UTC 2018


On 18/06/18 18:36, Nicolas Dufresne wrote:
> When I look at this decoder, I see no code to support 10bit decoding.
> This suggests that it outputs 10bit as if it was 8bit NV12. Please file
> a bug, the decoder should fail, or support this, right now it is
> incorrect.

As requested, I've created a new bug for this: 
https://bugzilla.gnome.org/show_bug.cgi?id=796629

On 19/06/18 01:55, Matthew Waters wrote:
> Currently nvdec doesn't work for 10 (or 12) bit decoding and always
> assumes 8-bit mode is used.  Mostly for legacy where the nvdec API
> didn't have support for higher bit depths when the code was written.
> 
> Changing that requires adding 10-bit pixel formats (actually 10-bit in
> 16-bit) to libgstgl and plumbing that through for the decoder to output.

Should I add a related ticket to gst-plugins-base to get this change 
into gstgl?


-Sam


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