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Bug#481046: muine: could not open audio device for playback

severity 481046 normal

aha, I think I've figured this out.

I have a .asoundrc which specifies some LADSPA stuff
including a non-existent plugin (attached)

aplay also complains and fails to play anything:

    11:05:09$ aplay out.wav
    ALSA lib pcm_ladspa.c:1502:(snd_pcm_ladspa_add_plugin) Unable to find or load plugin 'tap_bs2b' ID 0, path '/usr/lib/ladspa'
    aplay: main:564: audio open error: No such file or directory

however totem-xine, totem-gstreamer, the flash plugin,
amarok, rhythmbox and audacity all work ok.

I'm not sure why they do and muine/aplay do not (as appose
to just warning) - I think this bug should be re-purposed
as "fail more gracefully or more informatively", and it
might belong against alsa rather than muine (I'm not sure).

Thanks for your help: I hope you don't mind me parking the
bug here until I investigate further!

Jon Dowland
pcm.ladspa {
  type ladspa
  slave.pcm "plughw:0,0";
  path "/usr/lib/ladspa";
  plugins [
      label tap_bs2b
      input {
        controls [ 3 1 ]

pcm.!default {
  type plug
  slave.pcm "ladspa"

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