Public bug reported:
I have some mp4 files, downloaded from YouTube using this extension:
http://www.chromeextensions.org/utilities/chrome-youtube-downloader/ . I
could give an example video, but I'm not sure if doing so violates
copyright or not.
When I try to play them in Totem, it shows the file name in its title,
and the file appears in the playlist, but nothing plays. All I get is a
black screen and a "Playing | 0:00 / 0:00" in the status bar.
The files play correctly in VLC, and they play using "gst-launch-0.10
playbin uri=file:$(pwd)/v.mp4", so I'm guessing the files are not
corrupt. They also used to play correctly in Oneiric.
The files also don't play in Banshee, and if I right-click on one of
them in nautilus and select Properties, nautilus shows a window saying
"Creating Properties window. You can stop this operation by clicking
cancel." and stays like that until I press "Cancel" (I waited for over
10 minutes).
I searched for other bugs, and one recommended attaching the output of
"GST_DEBUG_NO_COLOR=1 GST_DEBUG=3 totem v.mp4", which I attached to this
bug report. It has lots of the following lines:
0:00:00.846767856 8323 0x7f39380038f0 ERROR ffmpeg :0:: AVC:
nal size 1639941
0:00:00.846789748 8323 0x7f39380038f0 ERROR ffmpeg :0:: no
frame!
0:00:00.846800282 8323 0x7f39380038f0 WARN ffmpeg
gstffmpegdec.c:2297:gst_ffmpegdec_frame:<ffdec_h2640> ffdec_h264: decoding
error (len: -1, have_data: 0)
This is what VLC says about their codecs (NOTE: Some unplayable files are
different in Resolution and Frame rate, and some playable files have the same
codecs):
Stream 0
Type: Audio
Codec: MPEG AAC Audio (mp4a)
Channels: Stereo
Sample rate: 44100 Hz
Stream 1
Type: Video
Codec: H264 - MPEG-4 AVC (part 10) (avc1)
Resolution: 480x320
Frame rate: 29.970030
Decoded format: Planar 4:2:0 YUV
ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: libgstreamer0.10-0 0.10.36-1ubuntu1
ProcVersionSignature: Ubuntu 3.2.0-24.37-generic 3.2.14
Uname: Linux 3.2.0-24-generic x86_64
ApportVersion: 2.0.1-0ubuntu7
Architecture: amd64
Date: Fri May 25 05:43:39 2012
InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Release amd64
(20120425)
SourcePackage: gstreamer0.10
UpgradeStatus: No upgrade log present (probably fresh install)
** Affects: gstreamer0.10 (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug precise
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https://bugs.launchpad.net/bugs/1004282
Title:
Totem won't play some mp4 files
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