6 mixer channels aren't enough. We have 2 or more engines, wind,
squeal, stall warning, flap sound, gear retract/rumble sound,
ATC voice, ...
If more than 6 sounds are to be played, plib's scheduler drops
the ones with lowest priority. That can be almost any sound (we
currently use only priorities 0 and 1) so we (I?) often get ugly
skips. I suggest to use the max number---currently 10 (defined
in plib/src/sl/sl.h:441).
This will only make the scheduler slower if the number of sounds
to play actually exceeds 6, and then a (hardly noticeable) slowdown
will probably be less annoying than arbitrary sound skips.
Plib's SL_MAX_MIXERINPUTS will probably only grow as computers
become faster, which should be exactly what we want, anyway.
m.
RCS file: /var/cvs/SimGear-0.3/SimGear/simgear/sound/soundmgr.cxx,v
retrieving revision 1.3
diff -u -p -r1.3 soundmgr.cxx
--- soundmgr.cxx 3 Jun 2003 19:37:21 -0000 1.3
+++ soundmgr.cxx 20 Jun 2003 15:10:06 -0000
@@ -107,7 +107,7 @@ SGSoundMgr::SGSoundMgr() {
if ( audio_sched->notWorking() ) {
SG_LOG( SG_GENERAL, SG_ALERT, "Audio initialization failed!" );
} else {
- audio_sched -> setMaxConcurrent ( 6 );
+ audio_sched -> setMaxConcurrent ( SL_MAX_MIXERINPUTS );
audio_mixer = new smMixer;
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