[Freeciv-Dev] Re: [Patch] Sound8

[Jason Short <vze2zq63@xxxxxxxxxxx>]

Per I. Mathisen wrote:
> On Tue, 12 Feb 2002, Raimar Falke wrote:
>
> > I also got this "{ss}..."  messages. It looks like I have to ask Per
> > for this.
> This happens when you call the esd_stop_something function, which is meant
> to stop looping of a sample, and the sample isn't loooping. I put that in
> because this stopped another bug from happening sometimes that caused
> infinite looping (i think), and the esd_kill_something function which is
> the right one to use simply isn't imlemented in the library.
esd_free_something is called on the "oldest" element in the circular 
buffer if it hasn't already been reset.
Unfortunately, the code never actually resets the elements when the 
sound sample it corresponds to is freed, so once the buffer is full this 
will happen every time a sample is played.
Fixing it isn't trivial, unless there are more ESD library functions 
that are currently in use.
Assuming ESD doesn't have a "maximum channels" limit, one solution would 
be to just start the sample and not track it at all thereafter.  Then it 
can end at its own time...the problem being that on shutodwn() there is 
no way for us to stop it.  Obviously the music sample ID must be 
tracked, since only one music should be playing at a time - but with 
music we can be pretty sure that it won't stop until we tell it to.

And SDL has similar (though not identical) problems...

jason