[Bug 71796] Hardware assisted (VDPAU) decoding of MPEG-2 causes GPU lockup - Radeon HD6950

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=71796

--- Comment #15 from Andy Furniss <adf.lists at gmail.com> ---
(In reply to comment #13)
> > I think this file is exceptional and so it not working is probably unrelated
> > to whatever issue others are seeing.
> > 
> > It doesn't work because vdpau doesn't support field coded mpeg2. I guess
> > because it is very rare - other than compliance streams this is the first
> > one I've seen in the wild, and given it's mpeg2 in mkv with ac3 and the
> > cartoon content is a mix of progressive and interlaced (maybe from telecine
> > and frame rate converted) I don't know if it's an amateur creation or
> > something "real".
> 
> The problem here is that a movie playback can mess up your session because
> the driver cannot cope with an exception caused by a specific video format.
> This should not happen in any circumstances.

I agree with you - I wasn't saying it didn't need fixing WRT to GPU lockups,
just trying to add some info.

It may be that the lock will be fixed by making UVD more resilient, but the
file still won't play properly because it's unsupported - at least you'll know
why.

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