After an upgrade to Debian testing this weekend (jan 23, 2010), audio playback on my desktop GNOME machine was left in a compromised state.
None of the following worked following the upgrade (they worked before): VLC audacious exaile listen totem rhythmbox By `not work' here, I mean that the application seems to think that it is playing the sound-file (there is no error message), but no data is actually sent to ALSA (as far as I can see), and nothing is therefore audible. Watching the levels in the mixer (no activity at all) suggests that no data is being directed to the sound-card. It's not the case that ALSA is broken. The sound-card is properly detected and registered in /proc/asound/cards; alsamixer works fine, and the low-level command line utilities like aplay and mpg321 work beautifully. Xine, mplayer, and its derivatives (smplayer, kmplayer, gnome-mplayer) work very well. With VLC and audacious(2), I was able to fix the problem by re-setting their Output plugin from `Default' (which had worked before) to Alsa or (in the case of VLC) to Pulseaudio or Jack. That leaves: exaile listen totem rhythmbox I suspect that what these have in common is that they use gstreamer as their backend, suggesting that that is where the problem ultimately lies. Gstreamer is installed on this system: gstreamer0.10-alsa gir1.0-gstreamer-0.10 gstreamer0.10-plugins-bad gstreamer0.10-plugins-base gstreamer0.10-plugins-good gstreamer0.10-plugins-ugly gstreamer0.10-pulseaudio gstreamer0.10-tools gstreamer0.10-x libgstreamer-plugins-base0.10-0 libgstreamer0.10-0 phonon-backend-gstreamer Has anyone seem similar problems, or am I uniquely privileged in having to deal with this? Oh, the joys of linux audio. Jim -- To UNSUBSCRIBE, email to debian-user-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org