[mythtv-users] H265 support

[Jean-Yves Avenard]

On 14 April 2015 at 07:50, Gary Buhrmaster <gary.buhrmaster at gmail.com> wrote:
> On Mon, Apr 13, 2015 at 9:31 PM, jedi <jedi at mishnet.org> wrote:
> ....
>>    I would expect that the bulk of the work would need to be done in
>> upstream projects like ffmpeg.
>
> At this time, MythTV uses its own HW decoder support,
> (at some point in the past, FFMpeg added some HW
> decoder support.  My recollection is that someone who
> tried to used had some issues to quality of the
> documentation (actually, I think they said something
> about there being no essentially no docs), although
> I have no idea what the current status is, and it is
> moot, since MythTV does not use it).  And while
> their are many who will claim that the answer will
> always be to use software decoding, those that want
> lower CPU (or use SoCs) likely want hardware support.

we use most of the new hwaccel API from ffmpeg now.

For VDPAU and VAAPI, you're still required to write most of the
decoder; it's just a convenience method from ffmpeg which allows more
easily detection on when to enable vdpau (or vaapi)