#include <simgear/debug/logstream.hxx>
-#include <simgear/misc/fgpath.hxx>
+#include <simgear/misc/sg_path.hxx>
#include <Main/globals.hxx>
#include "soundmgr.hxx"
+#define FG_SOUND_SAFETY_MULT 3
+#define FG_MAX_SOUND_SAFETY ( 1.0 / FG_SOUND_SAFETY_MULT )
// constructor
FGSimpleSound::FGSimpleSound( string file ) {
- FGPath slfile( globals->get_fg_root() );
+ SGPath slfile( globals->get_fg_root() );
slfile.append( file );
sample = new slSample ( (char *)slfile.c_str() );
pitch_envelope = new slEnvelope( 1, SL_SAMPLE_ONE_SHOT );
// constructor
FGSoundMgr::FGSoundMgr() {
audio_sched = new slScheduler( 8000 );
- audio_mixer = new smMixer;
+ if ( audio_sched->notWorking() ) {
+ SG_LOG( SG_GENERAL, SG_ALERT, "Audio initialization failed!" );
+ } else {
+ audio_sched -> setMaxConcurrent ( 6 );
+
+ audio_mixer = new smMixer;
- FG_LOG( FG_GENERAL, FG_INFO,
- "Rate = " << audio_sched->getRate()
- << " Bps = " << audio_sched->getBps()
- << " Stereo = " << audio_sched->getStereo() );
+ SG_LOG( SG_GENERAL, SG_INFO,
+ "Rate = " << audio_sched->getRate()
+ << " Bps = " << audio_sched->getBps()
+ << " Stereo = " << audio_sched->getStereo() );
+ }
}
// destructor
+
FGSoundMgr::~FGSoundMgr() {
- sound_map_iterator current = sounds.begin();
- sound_map_iterator end = sounds.end();
- for ( ; current != end; ++current ) {
- FGSimpleSound *s = current->second;
- delete s->get_sample();
- delete s;
+
+ //
+ // Remove the samples from the sample manager.
+ //
+ sample_map_iterator sample_current = samples.begin();
+ sample_map_iterator sample_end = samples.end();
+ for ( ; sample_current != sample_end; ++sample_current ) {
+ sample_ref *sr = sample_current->second;
+ delete sr->sample;
+ delete sr;
+ }
+
+ //
+ // Remove the sounds from the sound manager.
+ //
+ sound_map_iterator sound_current = sounds.begin();
+ sound_map_iterator sound_end = sounds.end();
+ for ( ; sound_current != sound_end; ++sound_current ) {
+ FGSimpleSound *s = sound_current->second;
+ delete s;
}
delete audio_sched;
// initialize the sound manager
-bool FGSoundMgr::init() {
- audio_mixer -> setMasterVolume ( 80 ) ; /* 80% of max volume. */
- audio_sched -> setSafetyMargin ( 1.0 ) ;
-
- sound_map_iterator current = sounds.begin();
- sound_map_iterator end = sounds.end();
- for ( ; current != end; ++current ) {
- FGSimpleSound *s = current->second;
+void FGSoundMgr::init() {
+ last.stamp();
+ safety = FG_MAX_SOUND_SAFETY;
+
+ // audio_mixer -> setMasterVolume ( 80 ) ; /* 80% of max volume. */
+ audio_sched -> setSafetyMargin ( FG_SOUND_SAFETY_MULT * safety ) ;
+
+
+ //
+ // Remove the samples from the sample manager.
+ //
+ sample_map_iterator sample_current = samples.begin();
+ sample_map_iterator sample_end = samples.end();
+ for ( ; sample_current != sample_end; ++sample_current ) {
+ sample_ref *sr = sample_current->second;
+ delete sr->sample;
+ delete sr;
+ }
+ samples.clear();
+
+ //
+ // Remove the sounds from the sound manager.
+ //
+ sound_map_iterator sound_current = sounds.begin();
+ sound_map_iterator sound_end = sounds.end();
+ for ( ; sound_current != sound_end; ++sound_current ) {
+ FGSimpleSound *s = sound_current->second;
delete s->get_sample();
delete s;
}
sounds.clear();
- if ( audio_sched->not_working() ) {
- return false;
+}
+
+void FGSoundMgr::bind ()
+{
+ // no properties yet
+}
+
+void FGSoundMgr::unbind ()
+{
+ // no properties yet
+}
+
+
+// run the audio scheduler
+void FGSoundMgr::update(int dt) {
+ SGTimeStamp current;
+ current.stamp();
+
+ double elapsed = (double)(current - last) / 1000000.0;
+ last = current;
+
+ if ( elapsed > safety ) {
+ safety = elapsed;
} else {
- return true;
+ safety = safety * 0.99 + elapsed * 0.01;
+ }
+ if ( safety > FG_MAX_SOUND_SAFETY ) {
+ safety = FG_MAX_SOUND_SAFETY;
}
+ // cout << "safety = " << safety << endl;
+ audio_sched -> setSafetyMargin ( FG_SOUND_SAFETY_MULT * safety ) ;
+
+ if ( !audio_sched->not_working() )
+ audio_sched -> update();
}
-// run the audio scheduler
-bool FGSoundMgr::update() {
- if ( !audio_sched->not_working() ) {
+// add a sound effect, return true if successful
+bool FGSoundMgr::add( FGSimpleSound *sound, const string& refname ) {
+
+ sample_map_iterator it = samples.find(refname);
+ if (it != samples.end())
+ return false;
+
+ sample_ref *sr = new sample_ref;
+
+ sr->n=1;
+ sr->sample = sound->get_sample();
+ samples[refname] = sr;
+
+ sounds[refname] = sound;
+
+ return true;
+}
+
+// add a sound from a file, return the sample if successful, else return NULL
+FGSimpleSound *FGSoundMgr::add( const string& refname, const string &file ) {
+ FGSimpleSound *sound;
+
+ if (file == (string)"")
+ return NULL;
+
+ sample_map_iterator it = samples.find(file);
+ if (it == samples.end()) {
+ sound = new FGSimpleSound(file);
+ sounds[refname] = sound;
+
+ sample_ref *sr = new sample_ref;
+
+ sr->n=1;
+ sr->sample = sound->get_sample();
+ samples[file] = sr;
+
+ } else {
+ sample_ref *sr = it->second;
+
+ sr->n++;
+ sound =
+ new FGSimpleSound(sr->sample->getBuffer(), sr->sample->getLength());
+ sounds[refname] = sound;
+
+ }
+
+ return sound;
+}
+
+// remove a sound effect, return true if successful
+bool FGSoundMgr::remove( const string& refname ) {
+
+ sound_map_iterator it = sounds.find( refname );
+ if ( it != sounds.end() ) {
+ // first stop the sound from playing (so we don't bomb the
+ // audio scheduler)
+ FGSimpleSound *sample = it->second;
+
+ // cout << "Playing " << sample->get_sample()->getPlayCount()
+ // << " instances!" << endl;
+
+ audio_sched->stopSample( sample->get_sample() );
+ audio_sched->addSampleEnvelope( sample->get_sample(), 0, 0,
+ NULL,
+ SL_PITCH_ENVELOPE );
+ audio_sched->addSampleEnvelope( sample->get_sample(), 0, 1,
+ NULL,
+ SL_VOLUME_ENVELOPE );
+
+ // must call audio_sched->update() after stopping the sound
+ // but before deleting it.
audio_sched -> update();
+ // cout << "Still playing " << sample->get_sample()->getPlayCount()
+ // << " instances!" << endl;
+
+ //
+ // FIXME:
+ // Due to the change in the sound manager, samples live
+ // until the sound manager gets removed.
+ //
+ // delete sample;
+ sounds.erase( it );
+
return true;
- } else {
+ } else {
return false;
}
}
-// add a sound effect
-bool FGSoundMgr::add( FGSimpleSound *sound, const string& refname ) {
- sounds[refname] = sound;
+// return true of the specified sound exists in the sound manager system
+bool FGSoundMgr::exists( const string& refname ) {
+ sound_map_iterator it = sounds.find( refname );
+ if ( it != sounds.end() ) {
+ return true;
+ } else {
+ return false;
+ }
+}
- return true;
+
+// return a pointer to the FGSimpleSound if the specified sound exists
+// in the sound manager system, otherwise return NULL
+FGSimpleSound *FGSoundMgr::find( const string& refname ) {
+ sound_map_iterator it = sounds.find( refname );
+ if ( it != sounds.end() ) {
+ return it->second;
+ } else {
+ return NULL;
+ }
}
// tell the scheduler to play the indexed sample once
-bool FGSoundMgr::FGSoundMgr::play_once( const string& refname ) {
+bool FGSoundMgr::play_once( const string& refname ) {
sound_map_iterator it = sounds.find( refname );
if ( it != sounds.end() ) {
FGSimpleSound *sample = it->second;
+ audio_sched->stopSample( sample->get_sample() );
audio_sched->playSample( sample->get_sample() );
audio_sched->addSampleEnvelope( sample->get_sample(), 0, 0,
sample->get_pitch_envelope(),
return false;
}
}
+
+
+// return true of the specified sound is currently being played
+bool FGSoundMgr::is_playing( const string& refname ) {
+ sound_map_iterator it = sounds.find( refname );
+ if ( it != sounds.end() ) {
+ FGSimpleSound *sample = it->second;
+ return (sample->get_sample()->getPlayCount() > 0 );
+ return true;
+ } else {
+ return false;
+ }
+}
+
+
+// immediate stop playing the sound
+bool FGSoundMgr::stop( const string& refname ) {
+ sound_map_iterator it = sounds.find( refname );
+ if ( it != sounds.end() ) {
+ FGSimpleSound *sample = it->second;
+ audio_sched->stopSample( sample->get_sample() );
+ return true;
+ } else {
+ return false;
+ }
+}
projects / flightgear.git / blobdiff