Ubuntu
pulseaudio package

  1. Bug #192888 (lambie)
  2. Comment #128

Comment 128 for bug 192888

Revision history for this message
Conn O Griofa (psyke83) wrote : Re: firefox crashes on flash contents

The problem is a little more complicated.

Case 1. Default installation & asound.conf from bug #198453

a) Flash audio will play, but still hogs the sound card and does not show on the PulseAudio Volume Control applet. Checking .xsession-errors after flash playback shows the following line:

ALSA lib pcm.c:2106:(snd_pcm_open_conf) Cannot open shared library /usr/lib/alsa-lib/libasound_module_pcm_pulse.so

b) mplayer with forced ALSA output - does not work.
$ mplayer -ao alsa /usr/share/example-content/ubuntu\ Sax.ogg

(snip)
[AO_ALSA] alsa-lib: pcm.c:2106:(snd_pcm_open_conf) Cannot open shared library /usr/lib/alsa-lib/libasound_module_pcm_pulse.so
[AO_ALSA] Playback open error: No such file or directory
Could not open/initialize audio device -> no sound.
Audio: no sound
Video: no video
(snip)

Case 2. Default installation, libasound2-plugins & asound.conf from bug #198453

a) Flash does not produce audio output. Checking .xsession-errors does not show the error in Case 1.

b) mplayer with forced ALSA output - audio works, no error messages.
$ mplayer -ao alsa /usr/share/example-content/ubuntu\ Sax.ogg

(snip)
AO: [alsa] 44100Hz 2ch s16le (2 bytes per sample)
Video: no video
Starting playback...
(snip)

Conclusion: the proposal in bug #198453 *requires* libasound2-plugins package to be installed, helps with some applications but it still does not fix Flash, unfortunately.