[Asterisk-Dev] background festival

[Mark Spencer]

> I am not sure where to start modifying so that the dtmf packets are
> actually passed on to the extension matcher as happens in background, since
> those calls deal with a filename and the festival ones deal with a file
> descriptor that is already open.

Actually it would be very easy.  If you get back a DTMF frame while
playing audio, simply return the value of the DTMF frame, something like
this...

while(playing audio and not hungup yet) {
	res = ast_waitfor(chan, how long i need to wait);
	.
	.
	f = ast_read(chan);
	if (!f) { res = -1; break; }
	if ((f->frametype == AST_FRAME_DTMF))
		return f->subclass;

}

Mark