Public bug reported:
A very short video, such as 1 frame long, won't play in VLC. Nothing
will show up, even if the video is paused.
A 1-frame video can be useful for things like testing the performance of
different encoding settings. While it's possible that VLC (maybe
depending on vout display module) causes the appearance of a video to
change slightly so it's not directly comparable to display by other
software, the display of two VLC instances can generally be compared to
each other.
The 1-frame video can be converted to a different format, but sometimes
this is lossy.
A bit related, if a video is very slow, like 1 frame per second, it
won't show up for a while in VLC. It's possible VLC is trying to buffer
several frames before showing anything.
Maybe also related, I noticed in ffmpeg, which VLC uses for decoding,
that a filtergraph wasn't receiving frames until at least two frames had
a DTS that was before the PTS of the frame entering the filtergraph. So
it's possible VLC is not receiving frames from libav (?).
ProblemType: Bug
DistroRelease: Ubuntu 14.10
Package: vlc 2.2.0-0ubuntu0.14.10.1
ProcVersionSignature: Ubuntu 3.16.0-30.40-generic 3.16.7-ckt3
Uname: Linux 3.16.0-30-generic x86_64
NonfreeKernelModules: nvidia
ApportVersion: 2.14.7-0ubuntu8.2
Architecture: amd64
CurrentDesktop: Unity
Date: Tue Apr 14 02:45:45 2015
SourcePackage: vlc
UpgradeStatus: No upgrade log present (probably fresh install)
** Affects: vlc (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug utopic
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https://bugs.launchpad.net/bugs/1443856
Title:
Very short videos won't play
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