[Bug 1026801] [NEW] Always tries to use PulseAudio, even when no PulseAudio is available

[Johan]

Public bug reported:

Ubuntu 12.04
eSpeak text-to-speech: 1.46.02  06.Jan.12

When PulseAudio is not installed, it still tries to connect to it.
Instead, it should just ALSA or OSS4 when those are available. Possibly
the configuration file could then have an entry like alsa, pulse, oss4,
which would define a preference for which audio system to use.  There
should also be a way to disable bluetooth. Displaying anything about
bluetooth when there isn't even bluetooth hardware present is bad.

$ espeak-gui                                                                                         
{'language': 'en/en-us'}
ALSA lib pcm.c:2217:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.rear
ALSA lib pcm.c:2217:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.center_lfe
ALSA lib pcm.c:2217:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.side
ALSA lib pulse.c:243:(pulse_connect) PulseAudio: Unable to connect: Connection refused

ALSA lib pulse.c:243:(pulse_connect) PulseAudio: Unable to connect:
Connection refused

ALSA lib dlmisc.c:254:(snd1_dlobj_cache_get) Cannot open shared library /usr/lib/x86_64-linux-gnu/alsa-lib/libasound_module_pcm_bluetooth.so
ALSA lib dlmisc.c:254:(snd1_dlobj_cache_get) Cannot open shared library /usr/lib/x86_64-linux-gnu/alsa-lib/libasound_module_pcm_bluetooth.so
ALSA lib dlmisc.c:254:(snd1_dlobj_cache_get) Cannot open shared library /usr/lib/x86_64-linux-gnu/alsa-lib/libasound_module_pcm_bluetooth.so
ALSA lib dlmisc.c:254:(snd1_dlobj_cache_get) Cannot open shared library /usr/lib/x86_64-linux-gnu/alsa-lib/libasound_module_pcm_bluetooth.so
ALSA lib pcm_dmix.c:957:(snd_pcm_dmix_open) The dmix plugin supports only playback stream
Cannot connect to server socket err = No such file or directory
Cannot connect to server socket
jack server is not running or cannot be started

This results not merely in these messages, but also in some log entries
which are even spoken (i.e. output via speakers, but for no good
reason).

** Affects: espeak (Ubuntu)
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1026801

Title:
  Always tries to use PulseAudio, even when no PulseAudio is available

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