Re: [Qemu-devel] [PATCH] ui/vnc: VA API based H.264 encoding for VNC framebuffer updates

[Stefano Stabellini]

On Thu, 10 Jan 2013, Gerd Hoffmann wrote:
> On 01/09/13 23:18, Alexander Graf wrote:
> > 
> > On 09.01.2013, at 21:25, Anthony Liguori wrote:
> > 
> >> 
> >> Since we really can't guarantee that libva will initialize okay, we
> >> need to more gracefully handle falling back to another encoding
> >> type.
> > 
> > In fact, doesn't libavcodec / gstreamer support vaapi? If we could
> > just send our updates to a library and have that determine whether
> > vaapi is available or maybe fall back to software H.264 encoding,
> > people without vaapi compatible hardware (or software) could exploit
> > this feature too.
> 
> Using libavcodec directly is a non-starter as distros don't ship that
> due to the multimedia codec patent mess.

libavcodec is certainly available on my ubuntu and debian installs.