Public bug reported:
When redirecting stderr to stdout, vlc hangs for some seconds:
With redirect:
% time vlc --play-and-exit ~/Videos/foo.avi 2>&1 | grep foo
vlc --play-and-exit ~/Videos/foo.avi 2>&1 0.46s user 0.15s system 35% cpu
1.712 total
grep foo 0.00s user 0.00s system 0% cpu 50.937 total
Normal:
% time vlc --play-and-exit ~/Videos/foo.avi | grep foo
VLC media player 1.1.12 The Luggage (revision exported)
Blocked: call to unsetenv("DBUS_ACTIVATION_ADDRESS")
Blocked: call to unsetenv("DBUS_ACTIVATION_BUS_TYPE")
[0x9c0692c] main libvlc: Running vlc with the default interface. Use 'cvlc' to
use vlc without interface.
Blocked: call to setlocale(6, "")
Blocked: call to setlocale(6, "")
(process:31781): Gtk-WARNING **: Locale not supported by C library.
Using the fallback 'C' locale.
Blocked: call to setlocale(6, "")
xdg-screensaver: Window 0x054001c5 does not exist
vlc --play-and-exit ~/Videos/foo.avi 0.44s user 0.14s system 37% cpu 1.548
total
grep foo 0.00s user 0.00s system 0% cpu 1.417 total
I am using this to find out if a file has been played completely (by
grepping for "main playlist: end of playlist, exiting").
This used to work as expected (without a timeout of ~50 seconds), but
has regressed during the last months (maybe when upgrading to Ubuntu
Oneiric).
I have tested a nightly snapshot
(1.2.0~~git20111110+r996-0~r47~oneiric1), which has the same problem.
ProblemType: Bug
DistroRelease: Ubuntu 11.10
Package: vlc 1.1.12-2~oneiric1
ProcVersionSignature: Ubuntu 3.0.0-14.23-generic-pae 3.0.9
Uname: Linux 3.0.0-14-generic-pae i686
ApportVersion: 1.23-0ubuntu4
Architecture: i386
Date: Mon Nov 28 19:42:42 2011
EcryptfsInUse: Yes
InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release i386 (20110427.1)
SourcePackage: vlc
UpgradeStatus: Upgraded to oneiric on 2011-09-29 (59 days ago)
** Affects: vlc (Ubuntu)
Importance: Undecided
Status: New
** Tags: apport-bug i386 oneiric running-unity
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https://bugs.launchpad.net/bugs/897341
Title:
vlc hangs after exiting when its stderr is redirected to stdout
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