Nouveau - Oct 2013 - [Bug 70931] New: Xv causes player segfaults when 4K is decoded

https://bugs.freedesktop.org/show_bug.cgi?id=70931

          Priority: medium
            Bug ID: 70931
          Assignee: nouveau at lists.freedesktop.org
           Summary: Xv causes player segfaults when 4K is decoded
        QA Contact: xorg-team at lists.x.org
          Severity: normal
    Classification: Unclassified
                OS: Linux (All)
          Reporter: nikoli at gmx.us
          Hardware: x86-64 (AMD64)
            Status: NEW
           Version: unspecified
         Component: Driver/nouveau
           Product: xorg

Created attachment 88194
  --> https://bugs.freedesktop.org/attachment.cgi?id=88194&action=edit
gdb output for 'mpv -vo xv sintel.mkv'

avprobe output:
Stream #0.0(eng): Video: h264 (High 4:4:4 Predictive), yuv444p10le, 4096x1744
[PAR 1:1 DAR 256:109], 24 fps, 24 tbr, 1k tbn, 48 tbc (default)

When trying to play 4K video with Xv video outputs mpv, mplayer2 and vlc
segfault.
https://github.com/mpv-player/mpv/issues/320
"the segfault is because the XvShmCreateImage API function returns a
smaller
image than requested, which, if I read the manpage right, is not allowed."
My software:
Gentoo Linux amd64 stable, kernel 3.9.9-hardened, mesa-9.1.6,
xf86-video-nouveau-1.0.9, libXv-1.0.10, libdrm-2.4.46, xorg-server-1.14.3,
libav-9.10
Hardware:
01:00.0 VGA compatible controller: NVIDIA Corporation G86M [GeForce 8400M GS]
(rev a1)

Used this file for testing:
http://rutracker.org/forum/viewtopic.php?t=4131293
Can upload sample if required.
P.S. With radeon r600g this file works fine, is any 4K playable with nouveau
now?

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--- Comment #1 from Nikoli <nikoli at gmx.us> ---
Created attachment 88195
  --> https://bugs.freedesktop.org/attachment.cgi?id=88195&action=edit
sample.mkv

Added sample.

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--- Comment #2 from Ilia Mirkin <imirkin at alum.mit.edu> ---
Created attachment 105069
  --> https://bugs.freedesktop.org/attachment.cgi?id=105069&action=edit
patch

Untested patch to get rid of the wrong size check. Unfortunately at query time
we aren't passed the port pointer by the DDX API. Instead check it at
PutImage
time and return a BadMatch if you do something bad.

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Martin Peres <martin.peres at free.fr> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         Resolution|---                         |MOVED
             Status|NEW                         |RESOLVED

--- Comment #3 from Martin Peres <martin.peres at free.fr> ---
-- GitLab Migration Automatic Message --

This bug has been migrated to freedesktop.org's GitLab instance and has been
closed from further activity.

You can subscribe and participate further through the new bug through this link
to our GitLab instance:
https://gitlab.freedesktop.org/xorg/driver/xf86-video-nouveau/issues/67.

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