RE: [Flightgear-devel] ATC background chatter in CVS

[Vivian M. <viv...@li...>]

Curt

> Frederic Bouvier wrote:
> 
> >Quoting Vivian Meazza :
> >
> >
> >>Nice try - perfectly understandable transmissions here :-). It runs
> under
> >>Cygwin for a while, then fails with:
> >>
> >>next chatter in 37 seconds
> >>OpenAL error (AL_INVALID_VALUE): bind_source (alGenSources)
> >>Failed to generate audio source.
> >>
> >>
> >
> >It seems that alDeleteSources is only called when SGSoundSample::stop()
> is
> >called.
> >Not when the sample is deleted ( the destructor only do alDeleteBuffers
> in that
> >case ). I don't know if SGSoundSample::stop() is called in this case but
> this
> >could be a problem.
> >
> >
> 
> Interesting catch, thanks Fred.  I made a small change to fg_fx.cxx to
> call the stop() function first.  Perhaps that will cure the problem.
> 
> In looking at this, I notice that the current sound system shows signs
> of being migrated from plib and perhaps isn't written optimally for
> openal ...  At some point it might be worth getting an openal expert (or
> someone more familiar with openal than me) to take a pass through the
> code and see if there are places where things could be restructured or
> fixed up to reduce the chances of these sorts of problems.
> 

That fixed it - Fred does it again :-)

Thanks for some a nice enhancement.


Vivian