Bug#747663: mpv: hwdev=vaapi has bad quality output

[Kurt Roeckx]

On Thu, Apr 09, 2015 at 10:12:14PM +0200, Sebastian Ramacher wrote:
> Hi Kurt
> 
> On 2014-05-10 22:55:09, Kurt Roeckx wrote:
> > Package: mpv
> > Version: 0.3.9-1
> > 
> > Hi,
> > 
> > I've been using hwdec=vaapi for a while now and things looked
> > good.  Yesterday I upgraded from 0.3.8-1 to 0.3.9-1 and everything
> > I look at now looks really bad.  It seems that it starts good but
> > then as it's updating the quality gets worse and worse like it's
> > blurred.  Sometimes you suddenly see that it improves a lot, and I
> > guess that is when there is a new full frame or something.
> > 
> > I've only looked at h264 content, and full screen.
> > 
> > Commenting out the hwdec=vaapi from the config gives me back
> > normal quality.
> 
> Is this still an issue with libav 6:11.3-1? If so, could you please attach a
> verbose log from mpv?

I can't reproduce this anymore with that version and mpv 0.6.2-2.
I also can't reproduce it with the ffmpeg version.


Kurt