I have a hard time to follow the suspicion that libav is at fault here. Does the same occur also with the 'avplay' utility? How can we reproduce the issue?
** Changed in: libav (Ubuntu) Importance: Undecided => Low ** Changed in: libav (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to libav in Ubuntu. https://bugs.launchpad.net/bugs/1168232 Title: VLC audio stops playing after a while (although video progresses) Status in “libav” package in Ubuntu: Incomplete Bug description: When playing video files, the audio stops randomly while the video progresses. The only resolution is to stop VLC and restart the video from the same location. This issue has been appearing since I updated libav on this machine. The files have been checked using different platforms. Ubuntu Version: 12.10 ALSA-base version: 1.0.25 Pulseaudio version: 1:2.1 VLC version: 2.0.5 What is expected: the audio should continue to play, or an error should be released What happened instead: video continues to play without any error shown Section of VLC log at time of audio cutoff: [0x7f36ac010f18] pulse audio output warning: too early by 161497 us [0x7f36ac010f18] pulse audio output debug: changed sample rate to 47724 Hz [0x7f36a007cec8] main video output warning: picture is too late to be displayed (missing 53 ms) [0x7f36ac010f18] pulse audio output warning: too early by 160555 us [0x7f36ac010f18] pulse audio output debug: changed sample rate to 47678 Hz [0x7f36a007cec8] main video output warning: picture is too late to be displayed (missing 42 ms) [0x7f36a007cec8] main video output debug: picture might be displayed late (missing 12 ms) [0x7f36ac010f18] pulse audio output warning: too early by 159967 us [0x7f36ac010f18] pulse audio output debug: changed sample rate to 47632 Hz [0x7f36ac010f18] pulse audio output warning: too early by 157559 us [0x7f36ac010f18] pulse audio output debug: changed sample rate to 47586 Hz [0x7f36ac010f18] pulse audio output warning: underflow [0x7f36ac010f18] pulse audio output debug: nothing to play [0x7f36ac010f18] pulse audio output debug: nothing to play [0x7f36ac010f18] pulse audio output debug: nothing to play [0x7f36ac010f18] pulse audio output debug: listing sink alsa_output.pci-0000_00_1b.0.analog-stereo (0): Built-in Audio Analog Stereo [0x7f36ac010f18] pulse audio output debug: nothing to play [0x7f36ac010f18] pulse audio output debug: nothing to play [0x7f36ac010f18] pulse audio output debug: nothing to play [0x7f36ac010f18] pulse audio output debug: nothing to play [0x7f36ac010f18] pulse audio output debug: nothing to play [0x7f3694001268] main vout display debug: auto hiding mouse cursor [0x7f36ac010f18] pulse audio output debug: nothing to play [0x7f36ac010f18] pulse audio output debug: nothing to play [0x7f36ac010f18] pulse audio output debug: nothing to play [0x7f36ac010f18] pulse audio output debug: nothing to play [0x7f36ac010f18] pulse audio output debug: suspended [0x7f36ac010f18] pulse audio output debug: nothing to play [0x7f36ac010f18] pulse audio output debug: listing sink alsa_output.pci-0000_00_1b.0.analog-stereo (0): Built-in Audio Analog Stereo [0x7f36ac010f18] pulse audio output debug: nothing to play ProblemType: Bug DistroRelease: Ubuntu 12.10 Package: alsa-base 1.0.25+dfsg-0ubuntu3.1 ProcVersionSignature: Ubuntu 3.5.0-18.18-lowlatency-phc 3.5.7 Uname: Linux 3.5.0-18-lowlatency-phc x86_64 NonfreeKernelModules: nvidia wl ApportVersion: 2.6.1-0ubuntu10 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: vyash 2896 F.... pulseaudio Date: Thu Apr 11 23:22:02 2013 InstallationDate: Installed on 2012-11-10 (152 days ago) InstallationMedia: Ubuntu GNOME Remix 12.10 "Quantal Quetzal" - Release amd64(20121023) MarkForUpload: True PackageArchitecture: all SourcePackage: alsa-driver Symptom: audio Symptom_Card: Built-in Audio - HDA Intel Symptom_Jack: Black Headphone Out, Front Symptom_Type: Sound works for a while, then breaks Title: [HP Pavilion dv5 Notebook PC, IDT 92HD71B7X, Black Headphone Out, Front] fails after a while UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 08/20/2009 dmi.bios.vendor: Hewlett-Packard dmi.bios.version: F.21 dmi.board.asset.tag: Base Board Asset Tag dmi.board.name: 3603 dmi.board.vendor: Quanta dmi.board.version: 02.26 dmi.chassis.type: 10 dmi.chassis.vendor: Quanta dmi.chassis.version: N/A dmi.modalias: dmi:bvnHewlett-Packard:bvrF.21:bd08/20/2009:svnHewlett-Packard:pnHPPaviliondv5NotebookPC:pvrRev1:rvnQuanta:rn3603:rvr02.26:cvnQuanta:ct10:cvrN/A: dmi.product.name: HP Pavilion dv5 Notebook PC dmi.product.version: Rev 1 dmi.sys.vendor: Hewlett-Packard To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/libav/+bug/1168232/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp