last try: ibmtts module broken in current speechd git master

[José Vilmar Estácio de Souza]

I found in the log the following messages:
[Tue Mar 29 18:36:32 2011 : 257309] speechd:  Module ibmtts loaded.
[Tue Mar 29 18:36:32 2011 : 263608] speechd: ERROR: Bad syntax from
output module ibmtts 1

On 03/29/2011 04:31 PM, Christopher Brannon wrote:
> Halim Sahin <halim.sahin at t-online.de> writes:
> 
>> Hi,
>> The module doesn't produce any speechoutput since:
>> d3db4f80598bd4b1b06762f76665836651a0d673
> 
> I can reproduce this, sort of.
> What audio output method are you using?
> Here's what I've noticed when using ALSA.  The same will also apply to
> libao when libao uses ALSA.
> If you're using ALSA or libao via ALSA, are you also using dmix for
> software mixing?  You should probably be doing so.  I'll describe the
> problems that I've noticed.
> 
> First, now that we have module autodiscovery, everything in
> /usr/lib/speech-dispatcher-modules gets loaded.  This includes things
> like sd_cicero, which are present on my system, but which I will never
> use.  It also loads an unnecessary copy of sd_generic, which is never
> used for anything.  The discovery code needs another check, to skip
> generic.
> 
> The real problem, though, is that every module tries to open audio
> output.  This is due to the previous refactoring.  Some of them don't
> need to at all.  dummy doesn't, and I don't believe that cicero does
> either.  Neither does generic, but it loads audio plugins, so that it
> knows which play command to use.  We've covered this territory in the
> past.  Generic needs to be a little bit smarter, closing the
> audio output as soon as it has acquired the information that it needs.
> 
> So why am I rambling about this?  I don't use dmix, because I have
> hardware mixing, and it is usually sufficient.  However, when I use the
> alsa audio output method, and all of these modules start opening the
> sound card, one or more will fail.
> I think this is what is happening to you with IBMTTS.  It is
> failing to open the audio device, because too many other things have
> opened it.
> 
> But I could be wrong.  You could test this by moving unused modules out
> of /usr/lib/speech-dispatcher-modules/, so that they aren't autoloaded.
> 
> -- Chris
> 
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