--- /dev/null
+// soundmgr.cxx -- Sound effect management class
+//
+// Sound manager initially written by David Findlay
+// <david_j_findlay@yahoo.com.au> 2001
+//
+// C++-ified by Curtis Olson, started March 2001.
+// Modified for the new SoundSystem by Erik Hofman, October 2009
+//
+// Copyright (C) 2001 Curtis L. Olson - http://www.flightgear.org/~curt
+// Copyright (C) 2009 Erik Hofman <erik@ehofman.com>
+//
+// This program is free software; you can redistribute it and/or
+// modify it under the terms of the GNU General Public License as
+// published by the Free Software Foundation; either version 2 of the
+// License, or (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful, but
+// WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+// General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program; if not, write to the Free Software Foundation,
+// Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+//
+// $Id$
+
+#ifdef HAVE_CONFIG_H
+# include <simgear_config.h>
+#endif
+#include <stdio.h>
+
+#include <iostream>
+#include <algorithm>
+#include <cstring>
+#include <cassert>
+
+#include <boost/foreach.hpp>
+
+#include "soundmgr_aeonwave.hxx"
+#include "sample_group.hxx"
+
+#include <simgear/sg_inlines.h>
+#include <simgear/structure/exception.hxx>
+#include <simgear/debug/logstream.hxx>
+#include <simgear/misc/sg_path.hxx>
+
+
+typedef std::map < unsigned int,AAX::Emitter > source_map;
+typedef source_map::iterator source_map_iterator;
+typedef source_map::const_iterator const_source_map_iterator;
+
+typedef std::map < unsigned int,AAX::Buffer& > buffer_map;
+typedef buffer_map::iterator buffer_map_iterator;
+typedef buffer_map::const_iterator const_buffer_map_iterator;
+
+class SGSoundMgr::SoundManagerPrivate
+{
+public:
+ SoundManagerPrivate() :
+ _buffer_id(0),
+ _source_id(0),
+ _base_pos(SGVec3d::zeros()),
+ {
+ }
+
+ void init()
+ {
+ _mtx64 = AAX::Matrix64();
+ }
+
+ void update_pos_and_orientation()
+ {
+ SGVec3d sgv_at = _orientation.backTransform(-SGVec3d::e3());
+ SGVec3d sgv_up = _orientation.backTransform(SGVec3d::e2());
+ _mtx64.set(_base_pos, sgv_at, sgv_up);
+ }
+
+ AAX::AeonWave _aax;
+ AAX::Matrix64 _mtx64;
+
+ SGVec3d _base_pos;
+ SGQuatd _orientation;
+
+ unsigned int _buffer_id;
+ buffer_map _buffers;
+
+ unsigned int _source_id;
+ source_map _sources;
+ AAX::Emitter& get_source(unsigned int id) {
+ source_map_iterator source_it = _d->_sources.find(id);
+ if ( source_it != d->_sources.end() ) return source_it->second;
+ SG_LOG(SG_SOUND, SG_ALERT, "unknown source id requested.");
+ return NULL;
+ }
+
+ sample_group_map _sample_groups;
+
+ std::vector<std::string> _devices;
+};
+
+
+//
+// Sound Manager
+//
+
+// constructor
+SGSoundMgr::SGSoundMgr() :
+ _active(false),
+ _changed(true),
+ _volume(0.0),
+ _offset_pos(SGVec3d::zeros()),
+ _velocity(SGVec3d::zeros()),
+ _renderer("unknown"),
+ _vendor("unknown")
+{
+ d.reset(new SoundManagerPrivate);
+ d->_base_pos = SGVec3d::fromGeod(_geod_pos);
+}
+
+// destructor
+
+SGSoundMgr::~SGSoundMgr() {
+
+ if (is_working())
+ stop();
+ d->_sample_groups.clear();
+}
+
+// initialize the sound manager
+void SGSoundMgr::init()
+{
+#ifdef ENABLE_SOUND
+ if (is_working())
+ {
+ SG_LOG( SG_SOUND, SG_ALERT, "Oops, AeonWave sound manager is already initialized." );
+ return;
+ }
+
+ SG_LOG( SG_SOUND, SG_INFO, "Initializing AeonWave sound manager" );
+
+ _source_id = 0;
+ d->_sources.clear();
+
+ AAX::AeonWave aax;
+ AAX::DSP dsp;
+
+ const char* devname = _device_name.c_str();
+ if (_device_name == "")
+ devname = NULL; // use default device
+ else
+ {
+ // try non-default device
+ aax = AAX::AeonWave(devname);
+ }
+
+ if ((!devname)||(testForError(device, "Audio device not available, trying default.")) ) {
+ aax = AAX::AeonWave(AAX_MODE_WRITE_STEREO);
+ if (testForError(aax, "Default audio device not available.") ) {
+ return;
+ }
+ }
+
+ d->_aax = aax;
+ d->init();
+
+ d->_aax.set(AAX_INITIALIZED);
+
+ dsp = AAX::DSP(d->_aax, AAX_VOLUME_FILTER);
+ dsp.set(AAX_GAIN, 0.0f);
+ d->_aax.set(dsp);
+
+ dsp = AAX::DSP(d->_aax, AAX_DISTANCE_FILTER);
+ dsp.set(AAX_AL_INVERSE_DISTANCE_CLAMPED);
+ d->_aax.set(dsp);
+
+ dsp = AAX::DSP(d->_aax, AAX_VELOCITY_EFFECT);
+ dsp.set(AAX_DOPPLER_FACTOR, 1.0f);
+ dsp.set(AAX_SOUND_VELOCITY, 340.3f);
+ d->_aax.set(dsp);
+
+ testForError("listener initialization");
+
+ _vendor = d->_aax.info(AAX_VENDOR_STRING);
+ _renderer = d->_aax.info(AAX_RENDERER_STRING);
+#endif
+}
+
+void SGSoundMgr::reinit()
+{
+ bool was_active = _active;
+
+ if (was_active)
+ {
+ suspend();
+ }
+
+ SGSoundMgr::stop();
+ SGSoundMgr::init();
+
+ if (was_active)
+ resume();
+}
+
+void SGSoundMgr::activate()
+{
+#ifdef ENABLE_SOUND
+ if ( is_working() ) {
+ _active = true;
+
+ sample_group_map_iterator sample_grp_current = d->_sample_groups.begin();
+ sample_group_map_iterator sample_grp_end = d->_sample_groups.end();
+ for ( ; sample_grp_current != sample_grp_end; ++sample_grp_current ) {
+ SGSampleGroup *sgrp = sample_grp_current->second;
+ sgrp->activate();
+ }
+ }
+#endif
+}
+
+// stop the sound manager
+void SGSoundMgr::stop()
+{
+#ifdef ENABLE_SOUND
+ // first stop all sample groups
+ sample_group_map_iterator sample_grp_current = d->_sample_groups.begin();
+ sample_group_map_iterator sample_grp_end = d->_sample_groups.end();
+ for ( ; sample_grp_current != sample_grp_end; ++sample_grp_current ) {
+ SGSampleGroup *sgrp = sample_grp_current->second;
+ sgrp->stop();
+ }
+
+ _bufefr_id = 0;
+ d->_buffers.clear();
+
+ _source_id = 0;
+ d->_sources.clear();
+
+ if (is_working()) {
+ _active = false;
+ d->_aax.set(AAX_STOPPED);
+
+ _renderer = "unknown";
+ _vendor = "unknown";
+ }
+#endif
+}
+
+void SGSoundMgr::suspend()
+{
+#ifdef ENABLE_SOUND
+ if (is_working()) {
+ sample_group_map_iterator sample_grp_current = d->_sample_groups.begin();
+ sample_group_map_iterator sample_grp_end = d->_sample_groups.end();
+ for ( ; sample_grp_current != sample_grp_end; ++sample_grp_current ) {
+ SGSampleGroup *sgrp = sample_grp_current->second;
+ sgrp->stop();
+ }
+ _active = false;
+ }
+#endif
+}
+
+void SGSoundMgr::resume()
+{
+#ifdef ENABLE_SOUND
+ if (is_working()) {
+ sample_group_map_iterator sample_grp_current = d->_sample_groups.begin();
+ sample_group_map_iterator sample_grp_end = d->_sample_groups.end();
+ for ( ; sample_grp_current != sample_grp_end; ++sample_grp_current ) {
+ SGSampleGroup *sgrp = sample_grp_current->second;
+ sgrp->resume();
+ }
+ _active = true;
+ }
+#endif
+}
+
+// run the audio scheduler
+void SGSoundMgr::update( double dt )
+{
+#ifdef ENABLE_SOUND
+ if (_active) {
+ if (_changed) {
+ d->update_pos_and_orientation();
+ }
+
+ sample_group_map_iterator sample_grp_current = d->_sample_groups.begin();
+ sample_group_map_iterator sample_grp_end = d->_sample_groups.end();
+ for ( ; sample_grp_current != sample_grp_end; ++sample_grp_current ) {
+ SGSampleGroup *sgrp = sample_grp_current->second;
+ sgrp->update(dt);
+ }
+
+ if (_changed) {
+ AAX::DSP dsp = d->_aax.get(AAX_VOLUME_FILTER);
+ dsp.set(AAX_GAIN, _volume);
+ d->_aax.set(dsp);
+
+#if 0
+ // TODO: altitude dependent
+ dsp = d->_aax.get(AAX_VELOCITY_EFFECT);
+ dsp.set(AAX_SOUND_VELOCITY, 340.3f);
+ d->_aax.set(dsp);
+#endif
+
+ SGQuatd hlOr = SGQuatd::fromLonLat( _geod_pos );
+ SGVec3d velocity = SGVec3d::zeros();
+ if ( _velocity[0] || _velocity[1] || _velocity[2] ) {
+ velocity = hlOr.backTransform(_velocity*SG_FEET_TO_METER);
+ }
+
+ if ( _bad_doppler ) {
+ velocity *= 100.0f;
+ }
+
+ d->_aax.sensor_velocity(AAX::Vector(toVec3f(velocity).data()));
+ d->_aax.sensor_matrix(d->_mtx64);
+
+ testForError("update");
+ _changed = false;
+ }
+ }
+#endif
+}
+
+// add a sample group, return true if successful
+bool SGSoundMgr::add( SGSampleGroup *sgrp, const std::string& refname )
+{
+ sample_group_map_iterator sample_grp_it = d->_sample_groups.find( refname );
+ if ( sample_grp_it != d->_sample_groups.end() ) {
+ // sample group already exists
+ return false;
+ }
+
+ if (_active) sgrp->activate();
+ d->_sample_groups[refname] = sgrp;
+
+ return true;
+}
+
+
+// remove a sound effect, return true if successful
+bool SGSoundMgr::remove( const std::string &refname )
+{
+ sample_group_map_iterator sample_grp_it = d->_sample_groups.find( refname );
+ if ( sample_grp_it == d->_sample_groups.end() ) {
+ // sample group was not found.
+ return false;
+ }
+
+ d->_sample_groups.erase( sample_grp_it );
+
+ return true;
+}
+
+
+// return true of the specified sound exists in the sound manager system
+bool SGSoundMgr::exists( const std::string &refname ) {
+ sample_group_map_iterator sample_grp_it = d->_sample_groups.find( refname );
+ return ( sample_grp_it != d->_sample_groups.end() );
+}
+
+
+// return a pointer to the SGSampleGroup if the specified sound exists
+// in the sound manager system, otherwise return NULL
+SGSampleGroup *SGSoundMgr::find( const std::string &refname, bool create ) {
+ sample_group_map_iterator sample_grp_it = d->_sample_groups.find( refname );
+ if ( sample_grp_it == d->_sample_groups.end() ) {
+ // sample group was not found.
+ if (create) {
+ SGSampleGroup* sgrp = new SGSampleGroup(this, refname);
+ add( sgrp, refname );
+ return sgrp;
+ }
+ else
+ return NULL;
+ }
+
+ return sample_grp_it->second;
+}
+
+
+void SGSoundMgr::set_volume( float v )
+{
+ _volume = v;
+ SG_CLAMP_RANGE(_volume, 0.0f, 1.0f);
+ _changed = true;
+}
+
+// Get an unused source id
+unsigned int SGSoundMgr::request_source()
+{
+ unsigned int id = d->_source_id++;
+ d->_sources.insert( std::pair<id,AAX::Emitter()> );
+ return id;
+}
+
+// Free up a source id
+void SGSoundMgr::release_source( unsigned int source )
+{
+ source_map_iterator source_it = _d->_sources.find(source);
+ if ( source_it != d->_sources.end() )
+ {
+ AAX::Emitter& emitter = source_it->second;
+ emitter.set(AAX_STOPPED);
+ emitter.remove_buffer();
+ d->_sources.erase(source_it);
+ }
+ else
+ SG_LOG( SG_SOUND, SG_WARN, "Sound manager: Trying to release an untracked source id!\n");
+}
+
+unsigned int SGSoundMgr::request_buffer(SGSoundSample *sample)
+{
+ unsigned int buffer = NO_BUFFER;
+#ifdef ENABLE_SOUND
+ if ( !sample->is_valid_buffer() ) {
+ // sample was not yet loaded or removed again
+ std::string sample_name = sample->get_sample_name();
+ void *sample_data = NULL;
+
+ // sample name was not found in the buffer cache.
+ if ( sample->is_file() ) {
+ AAX::Buffer& buf = d->_aax->buffer(sample_name);
+ if (!buf) {
+ SG_LOG(SG_SOUND, SG_ALERT,
+ "failed to load sound file: " << sample_name);
+ sample->set_buffer( SGSoundMgr::FAILED_BUFFER );
+ return FAILED_BUFFER;
+ }
+
+ buffer = d->_buffer_id++;
+ d->_buffers.insert( std::pair<buffer,buf> );
+
+ sample->set_block_align( buf.get(AAX_BLOCK_ALIGNMENT) );
+ sample->set_frequency( buf.get(AAX_FREQUENCY) );
+ sample->set_no_samples( buf.get(AAX_NO_SAMPLES) );
+ sample->set_no_tracks( buf.get(AAX_TRACKS) );
+
+ enum aaxFormat fmt = buf.get(AAX_FORMAT);
+ sample->set_bits_sample( aaxGetBitsPerSample(fmt) );
+
+ bool c = (fmt == AAX_MULAW || fmt == AAX_IMA4_ADPCM);
+ sample->set_compressed(c);
+
+ } else {
+ enum aaxFormat format = AAX_FORMAT_NONE;
+ switch( sample->get_format() )
+ {
+ case SG_SAMPLE_MONO16:
+ format = AAX_FORMAT_PCM16;
+ break;
+ case SG_SAMPLE_MONO8:
+ format = AAX_FORMAT_PCM8;
+ break;
+ case SG_SAMPLE_MULAW:
+ format = AAX_FORMAT_MULAW;
+ break;
+ case SG_SAMPLE_ADPCM:
+ format = AAX_FORMAT_IMA4_ADPCM;
+ break;
+ default:
+ SG_LOG(SG_SOUND, SG_ALERT, "unsupported audio format");
+ return buffer;
+ }
+
+ AAX::Buffer& buf = d->_aax->buffer(sample_name);
+ if ( buf ) {
+ unsigned int no_samples = sample->get_no_samples();
+
+ buf.set(d->_aax, no_samples, 1, format);
+ buf.set( AAX_FREQUENCY, sample->get_frequency() );
+ buf.fill( sample->get_data() );
+
+ if (format == AAX_FORMAT_IMA4_ADPCM) {
+ size_t samples_block = BLOCKSIZE_TO_SMP( sample->get_block_align() );
+ buf.set( AAX_BLOCK_ALIGNMENT, samples_block );
+ }
+
+ buffer = d->_buffer_id++;
+ d->_buffers.insert( std::pair<buffer,buf> );
+ sample->set_buffer(buffer);
+ }
+ }
+ }
+ else {
+ buffer = sample->get_buffer();
+ }
+#endif
+ return buffer;
+}
+
+void SGSoundMgr::release_buffer(SGSoundSample *sample)
+{
+ if ( !sample->is_queue() )
+ {
+ unsigned int buffer = sample->get_buffer();
+ buffer_map_iterator buffer_it = _d->_buffers.find(buffer);
+ if ( buffer_it != d->_buffers.end() )
+ {
+ sample->no_valid_buffer();
+#ifdef ENABLE_SOUND
+ AAX::Buffer& buffer = buffer_it->second;
+ d->_aax->destroy(buffer);
+#endif
+ d->_buffers.erase(buffer_it);
+ testForError("release buffer");
+ }
+ }
+}
+
+void SGSoundMgr::sample_suspend( SGSoundSample *sample )
+{
+ if ( sample->is_valid_source() && sample->is_playing() ) {
+ AAX::Emitter& emitter = d->get_source(sample->get_source());
+ emitter.set(AAX_PASUED);
+ }
+}
+
+void SGSoundMgr::sample_resume( SGSoundSample *sample )
+{
+ if ( sample->is_valid_source() && sample->is_playing() ) {
+ AAX::Emitter& emitter = d->get_source(sample->get_source());
+ emitter.set(AAX_PLAYING);
+ }
+}
+
+void SGSoundMgr::sample_init( SGSoundSample *sample )
+{
+#ifdef ENABLE_SOUND
+ sample->set_source(request_source());
+#endif
+}
+
+void SGSoundMgr::sample_play( SGSoundSample *sample )
+{
+#ifdef ENABLE_SOUND
+ AAX::Emitter& emitter = d->get_source(sample->get_source());
+
+ if ( !sample->is_queue() ) {
+ emitter.add(request_buffer(sample));
+ }
+
+ AAX::DSP dsp = emitter.get(AAX_DISTANCE_FILTER);
+ dsp.set(AAX_ROLLOFF_FACTOR, 0.3f);
+ emitter.set(dsp);
+
+ emitter.set(AAX_LOOPING, sample->is_looping());
+ emitter.set(AAX_POSITION, AAX_ABSOLUTE);
+ emitter.set(AAX_PLAYING);
+#endif
+}
+
+void SGSoundMgr::sample_stop( SGSoundSample *sample )
+{
+ if ( sample->is_valid_source() ) {
+ int source = sample->get_source();
+
+ bool stopped = is_sample_stopped(sample);
+ if ( sample->is_looping() && !stopped) {
+#ifdef ENABLE_SOUND
+ AAX::Emitter& emitter = d->get_source(source);
+ emitter.set(AAX_STOPPED);
+#endif
+ stopped = is_sample_stopped(sample);
+ }
+
+ if ( stopped ) {
+ sample->no_valid_source();
+ release_source( source );
+ }
+ }
+}
+
+void SGSoundMgr::sample_destroy( SGSoundSample *sample )
+{
+ if ( sample->is_valid_source() ) {
+#ifdef ENABLE_SOUND
+ ALint source = sample->get_source();
+ if ( sample->is_playing() ) {
+ AAX::Emitter& emitter = d->get_source(source);
+ emitter.set(AAX_STOPPED);
+ }
+ release_source( source );
+#endif
+ sample->no_valid_source();
+ }
+
+ if ( sample->is_valid_buffer() ) {
+ release_buffer( sample );
+ sample->no_valid_buffer();
+ }
+}
+
+bool SGSoundMgr::is_sample_stopped(SGSoundSample *sample)
+{
+#ifdef ENABLE_SOUND
+ assert(sample->is_valid_source());
+ AAX::Emitter& emitter = d->get_source(sample->get_source());
+ int result = emitter.state();
+ return (result == AAX_STOPPED);
+#else
+ return true;
+#endif
+}
+
+void SGSoundMgr::update_sample_config( SGSoundSample *sample, SGVec3d& position, SGVec3f& orientation, SGVec3f& velocity )
+{
+ AAX::Emitter& emitter = d->get_source(sample->get_source());
+ AAX::DSP dsp;
+
+ d->_mtx64.set(position.data(), orientation.data());
+ emitter.velocity(velocity.data());
+ emitter.matrix(d->_mtx64);
+
+ dsp = emitter.get(AAX_VOLUME_FILTER);
+ dsp.set(AAX_GAIN, sample->get_volume());
+ emitter.set(dsp);
+
+ dsp = emitter.get(AAX_PITCH_EFFECT);
+ dsp.set(AAX_PITCH, sample->get_pitch());
+ emitter.set(dsp);
+
+ if ( sample->has_static_data_changed() ) {
+ dsp = emitter.get(AAX_ANGULAR_FILTER);
+ dsp.set(AAX_INNER_ANGLE, sample->get_innerangle());
+ dsp.set(AAX_OUTER_ANGLE, sample->get_outerangle());
+ dsp.set(AAX_OUTER_GAIN, sample->get_outergain());
+ emitter.set(dsp);
+
+ dsp = emitter.get(AAX_DISTANCE_FILTER);
+ dsp.set(AAX_REF_DISTANCE, sample->get_reference_dist());
+ sp.set(AAX_MAX_DISTANC, sample->get_max_dist();
+ emitter.set(dsp);
+ }
+}
+
+
+vector<const char*> SGSoundMgr::get_available_devices()
+{
+ vector<const char*> devices;
+#ifdef ENABLE_SOUND
+ std::string on = " on ";
+ std::string colon = ": ";
+ while (std::string d = d->_aax.drivers()) {
+ while (std::string r = d->_aax.devices()) {
+ while (std::string i = d->_aax.interfaces()) {
+ std::string name;
+ if (!i.empty() && !r.empty()) name = d + on + r + colon + i;
+ else if (!r.empty()) name = d + on + r;
+ else if (!i.empty) name = d + colon + i;
+ else name = d;
+
+ d->_devices.push_back(name);
+ devices.push_back(name.c_str());
+ }
+ }
+ }
+#endif
+ return devices;
+}
+
+
+bool SGSoundMgr::testForError(void *p, std::string s)
+{
+ if (p == NULL) {
+ SG_LOG( SG_SOUND, SG_ALERT, "Error: " << s);
+ return true;
+ }
+ return false;
+}
+
+
+bool SGSoundMgr::testForError(std::string s, std::string name)
+{
+#ifdef ENABLE_SOUND
+ enum aaxErrorType error = d->_aax.error_no();
+ if (error != AAX_ERROR_NONE) {
+ SG_LOG( SG_SOUND, SG_ALERT, "AL Error (" << name << "): "
+ << d->_aax.error(error) << " at " << s);
+ return true;
+ }
+#endif
+ return false;
+}
+
+bool SGSoundMgr::testForALCError(std::string s)
+{
+#ifdef ENABLE_SOUND
+ enum aaxErrorType error = d->_aax.error_no();
+ if (error != AAX_ERROR_NONE) {
+ SG_LOG( SG_SOUND, SG_ALERT, "Error (sound manager): "
+ << d->_aax.error(error) << " at "
+ << s);
+ return true;
+ }
+#endif
+ return false;
+}
+
+bool SGSoundMgr::is_working() const
+{
+ return (d->_aax != NULL);
+}
+
+const SGQuatd& SGSoundMgr::get_orientation() const
+{
+ return d->_orientation;
+}
+
+void SGSoundMgr::set_orientation( const SGQuatd& ori )
+{
+ d->_orientation = ori;
+ _changed = true;
+}
+
+const SGVec3d& SGSoundMgr::get_position() const
+{
+ aaxVec3d pos, at, up;
+ d->_mtx64.get(pos, at, up);
+ return pos;
+}
+
+void SGSoundMgr::set_position( const SGVec3d& pos, const SGGeod& pos_geod )
+{
+ d->_base_pos = pos; _geod_pos = pos_geod; _changed = true;
+}
+
+SGVec3f SGSoundMgr::get_direction() const
+{
+ aaxVec3d pos, at, up;
+ d->_mtx64.get(pos, at, up);
+ return at;
+}
--- /dev/null
+///@file
+/// Sound effect management class
+///
+/// Provides a sound manager class to keep track of multiple sounds and manage
+/// playing them with different effects and timings.
+//
+// Sound manager initially written by David Findlay
+// <david_j_findlay@yahoo.com.au> 2001
+//
+// C++-ified by Curtis Olson, started March 2001.
+// Modified for the new SoundSystem by Erik Hofman, October 2009
+//
+// Copyright (C) 2001 Curtis L. Olson - http://www.flightgear.org/~curt
+// Copyright (C) 2016 Erik Hofman <erik@ehofman.com>
+//
+// This library is free software; you can redistribute it and/or
+// modify it under the terms of the GNU Library General Public
+// License as published by the Free Software Foundation; either
+// version 2 of the License, or (at your option) any later version.
+//
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+// Library General Public License for more details.
+//
+// You should have received a copy of the GNU Library General Public
+// License along with this library; if not, write to the Free Software
+// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
+
+#ifndef _SG_SOUNDMGR_AEONWAVE_HXX
+#define _SG_SOUNDMGR_AEONWAVE_HXX 1
+
+#include <string>
+#include <vector>
+#include <map>
+#include <memory> // for std::auto_ptr
+
+#include <aax/Matrix>
+#include <aax/AeonWave>
+
+#include <simgear/compiler.h>
+#include <simgear/structure/subsystem_mgr.hxx>
+#include <simgear/math/SGMath.hxx>
+
+// forward decls
+class SGSampleGroup;
+class SGSoundSample;
+
+/**
+ * Manage a collection of SGSampleGroup instances
+ */
+class SGSoundMgr : public SGSubsystem
+{
+public:
+
+ SGSoundMgr();
+ ~SGSoundMgr();
+
+ void init();
+ void update(double dt);
+
+ void suspend();
+ void resume();
+ void stop();
+
+ void reinit();
+
+ /**
+ * Select a specific sound device.
+ * Requires a init/reinit call before sound is actually switched.
+ */
+ inline void select_device(const char* devname) {_device_name = devname;}
+
+ /**
+ * Test is the sound manager is in a working condition.
+ * @return true is the sound manager is working
+ */
+ bool is_working() const;
+
+ /**
+ * Set the sound manager to a working condition.
+ */
+ void activate();
+
+ /**
+ * Test is the sound manager is in an active and working condition.
+ * @return true is the sound manager is active
+ */
+ inline bool is_active() const { return _active; }
+
+ /**
+ * Register a sample group to the sound manager.
+ * @param sgrp Pointer to a sample group to add
+ * @param refname Reference name of the sample group
+ * @return true if successful, false otherwise
+ */
+ bool add( SGSampleGroup *sgrp, const std::string& refname );
+
+ /**
+ * Remove a sample group from the sound manager.
+ * @param refname Reference name of the sample group to remove
+ * @return true if successful, false otherwise
+ */
+ bool remove( const std::string& refname );
+
+ /**
+ * Test if a specified sample group is registered at the sound manager
+ * @param refname Reference name of the sample group test for
+ * @return true if the specified sample group exists
+ */
+ bool exists( const std::string& refname );
+
+ /**
+ * Find a specified sample group in the sound manager
+ *
+ * @param refname Reference name of the sample group to find
+ * @param create If the group should be create if it does not exist
+ * @return A pointer to the SGSampleGroup
+ */
+ SGSampleGroup *find( const std::string& refname, bool create = false );
+
+ /**
+ * Set the Cartesian position of the sound manager.
+ *
+ * @param pos OpenAL listener position
+ */
+ void set_position( const SGVec3d& pos, const SGGeod& pos_geod );
+
+ void set_position_offset( const SGVec3d& pos ) {
+ _offset_pos = pos; _changed = true;
+ }
+
+ /**
+ * Get the position of the sound manager.
+ * This is in the same coordinate system as OpenGL; y=up, z=back, x=right
+ *
+ * @return OpenAL listener position
+ */
+ const SGVec3d& get_position() const;
+
+ /**
+ * Set the velocity vector (in meters per second) of the sound manager
+ * This is the horizontal local frame; x=north, y=east, z=down
+ *
+ * @param vel Velocity vector
+ */
+ void set_velocity( const SGVec3d& vel ) {
+ _velocity = vel; _changed = true;
+ }
+
+ /**
+ * Get the velocity vector of the sound manager
+ * This is in the same coordinate system as OpenGL; y=up, z=back, x=right.
+ *
+ * @return Velocity vector of the OpenAL listener
+ */
+ inline SGVec3f get_velocity() { return toVec3f(_velocity); }
+
+ /**
+ * Set the orientation of the sound manager
+ *
+ * @param ori Quaternation containing the orientation information
+ */
+ void set_orientation( const SGQuatd& ori );
+
+ /**
+ * Get the orientation of the sound manager
+ *
+ * @return Quaternation containing the orientation information
+ */
+ const SGQuatd& get_orientation() const;
+
+ /**
+ * Get the direction vector of the sound manager
+ * This is in the same coordinate system as OpenGL; y=up, z=back, x=right.
+ *
+ * @return Look-at direction of the OpenAL listener
+ */
+ SGVec3f get_direction() const;
+
+ enum {
+ NO_SOURCE = (unsigned int)-1,
+ NO_BUFFER = (unsigned int)-1,
+ FAILED_BUFFER = (unsigned int)-2
+ };
+
+ /**
+ * Set the master volume.
+ *
+ * @param vol Volume (must be between 0.0 and 1.0)
+ */
+ void set_volume( float vol );
+
+ /**
+ * Get the master volume.
+ *
+ * @return Volume (must be between 0.0 and 1.0)
+ */
+ inline float get_volume() { return _volume; }
+
+ /**
+ * Get a free OpenAL source-id
+ *
+ * @return NO_SOURCE if no source is available
+ */
+ unsigned int request_source();
+
+ /**
+ * Free an OpenAL source-id for future use
+ *
+ * @param source OpenAL source-id to free
+ */
+ void release_source( unsigned int source );
+
+ /**
+ * Get a free OpenAL buffer-id
+ * The buffer-id will be assigned to the sample by calling this function.
+ *
+ * @param sample Pointer to an audio sample to assign the buffer-id to
+ * @return NO_BUFFER if loading of the buffer failed.
+ */
+ unsigned int request_buffer(SGSoundSample *sample);
+
+ /**
+ * Free an OpenAL buffer-id for this sample
+ *
+ * @param sample Pointer to an audio sample for which to free the buffer
+ */
+ void release_buffer( SGSoundSample *sample );
+
+ /**
+ * Initialize sample for playback.
+ *
+ * @param sample Pointer to an audio sample to initialize.
+ */
+ void sample_init( SGSoundSample *sample );
+
+ /**
+ * Stop and destroy a sample
+ *
+ * @param sample Pointer to an audio sample to destroy.
+ */
+ void sample_destroy( SGSoundSample *sample );
+
+ /**
+ * Start playback of a sample
+ *
+ * @param sample Pointer to an audio sample to start playing.
+ */
+ void sample_play( SGSoundSample *sample );
+
+ /**
+ * Stop a sample
+ *
+ * @param sample Pointer to an audio sample to stop.
+ */
+ void sample_stop( SGSoundSample *sample );
+
+ /**
+ * Suspend playback of a sample
+ *
+ * @param sample Pointer to an audio sample to suspend.
+ */
+ void sample_suspend( SGSoundSample *sample );
+
+ /**
+ * Resume playback of a sample
+ *
+ * @param sample Pointer to an audio sample to resume.
+ */
+ void sample_resume( SGSoundSample *sample );
+
+ /**
+ * Check if a sample is stopped, or still playing
+ *
+ * @param sample Pointer to an audio sample to test.
+ * @return true if the sample is stopped.
+ */
+ bool is_sample_stopped( SGSoundSample *sample );
+
+ /**
+ * Update all status and 3d parameters of a sample.
+ *
+ * @param sample Pointer to an audio sample to update.
+ */
+ void update_sample_config( SGSoundSample *sample, SGVec3d& position, SGVec3f& orientation, SGVec3f& velocity );
+
+ /**
+ * Test if the position of the sound manager has changed.
+ * The value will be set to false upon the next call to update_late()
+ *
+ * @return true if the position has changed
+ */
+ inline bool has_changed() { return _changed; }
+
+ /**
+ * Some implementations seem to need the velocity multiplied by a
+ * factor of 100 to make them distinct. I've not found if this is
+ * a problem in the implementation or in out code. Until then
+ * this function is used to detect the problematic implementations.
+ */
+ inline bool bad_doppler_effect() { return _bad_doppler; }
+
+ /**
+ * Get a list of available playback devices.
+ */
+ std::vector<const char*> get_available_devices();
+
+ /**
+ * Get the current OpenAL vendor or rendering backend.
+ */
+ const std::string& get_vendor() { return _vendor; }
+ const std::string& get_renderer() { return _renderer; }
+
+ bool testForError(std::string s, std::string name = "sound manager");
+
+ static const char* subsystemName() { return "sound"; };
+private:
+ /// private implementation object
+ std::auto_ptr<SoundManagerPrivate> d;
+
+ std::string _renderer;
+ std::string _vendor;
+ std::string _device_name;
+
+ bool _active;
+ bool _changed;
+ float _volume;
+
+ // Position of the listener.
+ SGVec3d _offset_pos;
+ SGGeod _geod_pos;
+
+ // Velocity of the listener.
+ AAX::Vector _velocity;
+
+ bool testForError(void *p, std::string s);
+
+ void update_sample_config( SGSampleGroup *sound );
+};
+
+
+#endif // _SG_SOUNDMGR_AEONWAVE_HXX