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From: bugzilla-daemon@freedesktop.org
To: dri-devel@lists.freedesktop.org
Subject: [Bug 94471] Tonga UVD 4Kx4K = failed to allocate a buffer
Date: Thu, 10 Mar 2016 12:22:20 +0000	[thread overview]
Message-ID: <bug-94471-502-FVhbaCAIXE@http.bugs.freedesktop.org/> (raw)
In-Reply-To: <bug-94471-502@http.bugs.freedesktop.org/>


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https://bugs.freedesktop.org/show_bug.cgi?id=94471

--- Comment #2 from Andy Furniss <adf.lists@gmail.com> ---
(In reply to Christian König from comment #1)
> Hi Andy,
> 
> sounds like the estimated bitstream buffer size doesn't fit into a 32bit
> integer any more.
> 
> Where can I download such a stream for testing?

I wondered that myself so I made one with ffmpeg/libx264.

Further testing shows that 4080x4080 works and >= 4082x4082 fails.

I tried getting libx264 to make constrained baseline but no difference.

These 2 were made like 

ffmpeg -i a-2160p60.mkv -vf scale=w=4080:h=4080 -c:v libx264 -vframes 10 
x264-4080.mkv

as they are only 10 frames tested like -

mpv --speed=0.1 -fs --hwdec=vdpau x264-4080.mkv

While here a shameless bump of a similar VCE issue :-)

I don't know the precise fail point for VCE but 3840x2160 fails 2560x1440
works.

https://bugs.freedesktop.org/show_bug.cgi?id=91281

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  parent reply	other threads:[~2016-03-10 12:22 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-03-10  0:21 [Bug 94471] Tonga UVD 4Kx4K = failed to allocate a buffer bugzilla-daemon
2016-03-10  8:17 ` bugzilla-daemon
2016-03-10 12:22 ` bugzilla-daemon [this message]
2016-03-10 12:23 ` bugzilla-daemon
2016-03-10 12:24 ` bugzilla-daemon
2016-03-10 13:00 ` bugzilla-daemon
2016-07-04 14:45 ` bugzilla-daemon
2019-09-25 17:54 ` bugzilla-daemon

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