Watching mp4 videos is broken

[dino99]

Totem was well able to display mp4 video some days ago (local mp4 files on hdd); but now when one of these mp4 video is selected, totem start as expected, set the sound normally, but the 'video' part is fully broken: get a black screen with some colored rectangles and multicolored pixels on top of the screen.

Starting totem into a terminal and playing a video, i get that output:

oem@ubuntu:~$ totem
DtsGetHWFeatures: Create File Failed
DtsGetHWFeatures: Create File Failed
Running DIL (3.22.0) Version
DtsDeviceOpen: Opening HW in mode 0
DtsDeviceOpen: Create File Failed

Totem 3.26.0-0ubuntu2 was working as expected.
But the last changelog seems related to that problem:

totem (3.26.0-0ubuntu3) bionic; urgency=medium

  * Drop patches that provided old-style decorations and menus for Unity7.
    This conveniently also fixes LP: #1502476. LP: #1719322

 -- Daniel van Vugt <email address hidden> Thu, 25 Jan 2018 05:42:51 +0800

note: the same mp4 videos can be smoothly played with vlc without problem at all. The session is a gnome-shell one under xorg.

ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: totem 3.26.0-0ubuntu3
ProcVersionSignature: Ubuntu 4.13.0-30.33-generic 4.13.13
Uname: Linux 4.13.0-30-generic x86_64
ApportVersion: 2.20.8-0ubuntu6
Architecture: amd64
CurrentDesktop: GNOME
Date: Fri Jan 26 20:42:39 2018
EcryptfsInUse: Yes
ProcEnviron:
 TERM=xterm-256color
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SourcePackage: totem
UpgradeStatus: No upgrade log present (probably fresh install)
XorgLog: Error: [Errno 2] No such file or directory: '/var/log/Xorg.0.log'

[Daniel van Vugt (vanvugt)]

dino99,

Are you using integrated Intel graphics or some other card? Can you provide output from this command?

  lspci -k

[Daniel van Vugt (vanvugt)]

Please also provide a screenshot/photo of the problem, and a copy of the mp4 file if you are legally able to do so. Or any mp4 file that reproduces the problem.

[dino99 (9d9)]

Has also been reported as lp:1747744

Yes its an intel builtin graphic chip

[Daniel van Vugt (vanvugt)]

Thanks. Yeah this appears to be the same as bug 1747744. It looks like your system got the offending Mesa update a few days earlier (using proposed?)