[Bug 71812] VDPAU: MPEG-4 ASP Garbling/Corruption

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=71812

--- Comment #11 from Adam Hirst <adam at aphirst.karoo.co.uk> ---
Hi Fabrice!

Back several months ago I submitted two bugs to this tracker.

One was this one, in which I mention that MPEG-4 files which use ASP garble
*every single playback* with VDPAU.
The other was https://bugs.freedesktop.org/show_bug.cgi?id=73457, in which I
mention that *all* MPEG-4 files have a *chance* of garbling with VDPAU.

>From the fact that you mention probabilities, and video corruption affecting
the screen outside the video itself, it kind of sounds like you're describing
the latter of those, and not the former (i.e. this bug). I don't want these two
similar-but-separate issues to end up getting confused in the minds of the
developers or testers.

I've re-uploaded an affected ASP file to my Dropbox:
https://dl.dropboxusercontent.com/u/3219541/samples/harlockep20-fine.mkv
And note the minor garbling which occurs on 100% of playback attempts in a
consistent manner, unlike the other bug for 'normal' MPEG-4 files in which the
garbling is random and may not occur at all.

(If anyone asks, I will upload a longer sample of the same file to the same
Dropbox URL, to better demonstrate the issue)

~ Adam

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