// <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
// 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.
+// along with this program; if not, write to the Free Software Foundation,
+// Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
//
// $Id$
# include <simgear_config.h>
#endif
-#include <simgear/compiler.h>
-
-#if defined(__APPLE__)
-# include <OpenAL/al.h>
-# include <OpenAL/alc.h>
+#if defined( __APPLE__ )
+# include <OpenAL/alut.h>
#else
-# include <AL/al.h>
-# include <AL/alc.h>
-#endif
-
-#if defined (__APPLE__)
-# ifdef __GNUC__
-# if ( __GNUC__ >= 3 ) && ( __GNUC_MINOR__ >= 3 )
-// # include <math.h>
-inline int (isnan)(double r) { return !(r <= 0 || r >= 0); }
-# else
- // any C++ header file undefines isinf and isnan
- // so this should be included before <iostream>
- // the functions are STILL in libm (libSystem on mac os x)
-extern "C" int isnan (double);
-extern "C" int isinf (double);
-# endif
-# else
-// inline int (isinf)(double r) { return isinf(r); }
-// inline int (isnan)(double r) { return isnan(r); }
-# endif
-#endif
-
-#if defined (__FreeBSD__)
-# if __FreeBSD_version < 500000
- extern "C" {
- inline int isnan(double r) { return !(r <= 0 || r >= 0); }
- }
-# endif
+# include <AL/alut.h>
#endif
-#if defined (__CYGWIN__)
-#include <ieeefp.h>
-#endif
-
-
#include <iostream>
+#include <algorithm>
+
+#include "soundmgr_openal.hxx"
+#include <simgear/structure/exception.hxx>
#include <simgear/debug/logstream.hxx>
#include <simgear/misc/sg_path.hxx>
+#include <simgear/math/SGMath.hxx>
-#include "soundmgr_openal.hxx"
+extern bool isNaN(float *v);
-#if defined(__MINGW32__)
-#define isnan(x) _isnan(x)
-#endif
+#define MAX_SOURCES 128
//
// Sound Manager
//
+int SGSoundMgr::_alut_init = 0;
+
// constructor
-SGSoundMgr::SGSoundMgr() {
+SGSoundMgr::SGSoundMgr() :
+ _working(false),
+ _active(false),
+ _changed(true),
+ _volume(0.0),
+ _device(NULL),
+ _context(NULL),
+ _absolute_pos(SGVec3d::zeros()),
+ _offset_pos(SGVec3d::zeros()),
+ _base_pos(SGVec3d::zeros()),
+ _velocity(SGVec3d::zeros()),
+ _orientation(SGQuatd::zeros()),
+ _devname(NULL)
+{
+#if defined(ALUT_API_MAJOR_VERSION) && ALUT_API_MAJOR_VERSION >= 1
+ if (_alut_init == 0) {
+ if ( !alutInitWithoutContext(NULL, NULL) ) {
+ testForALUTError("alut initialization");
+ return;
+ }
+ }
+ _alut_init++;
+#endif
+}
- SG_LOG( SG_GENERAL, SG_INFO, "Initializing OpenAL sound manager" );
+// destructor
- // initialize OpenAL
+SGSoundMgr::~SGSoundMgr() {
+
+ stop();
#if defined(ALUT_API_MAJOR_VERSION) && ALUT_API_MAJOR_VERSION >= 1
- if (!alutInit(NULL, NULL))
- {
- ALenum error = alutGetError ();
- SG_LOG( SG_GENERAL, SG_ALERT, "Audio initialization failed!" );
- SG_LOG( SG_GENERAL, SG_ALERT, " "+string(alutGetErrorString(error)));
- working = false;
- context = 0;
+ _alut_init--;
+ if (_alut_init == 0) {
+ alutExit ();
}
- else
- {
- working = true;
- context = alcGetCurrentContext();
+#endif
+}
+
+// initialize the sound manager
+void SGSoundMgr::init() {
+
+ SG_LOG( SG_GENERAL, SG_INFO, "Initializing OpenAL sound manager" );
+
+ ALCdevice *device = alcOpenDevice(_devname);
+ if ( testForError(device, "No default audio device available.") ) {
+ return;
}
-#else
- if ( (dev = alcOpenDevice( NULL )) != NULL
- && ( context = alcCreateContext( dev, NULL )) != NULL ) {
- working = true;
- alcMakeContextCurrent( context );
- } else {
- working = false;
- context = 0;
- SG_LOG( SG_GENERAL, SG_ALERT, "Audio initialization failed!" );
+
+ ALCcontext *context = alcCreateContext(device, NULL);
+ if ( testForError(context, "Unable to create a valid context.") ) {
+ alcCloseDevice (device);
+ return;
}
-#endif
- listener_pos[0] = 0.0;
- listener_pos[1] = 0.0;
- listener_pos[2] = 0.0;
-
- listener_vel[0] = 0.0;
- listener_vel[1] = 0.0;
- listener_vel[2] = 0.0;
-
- listener_ori[0] = 0.0;
- listener_ori[1] = 0.0;
- listener_ori[2] = -1.0;
- listener_ori[3] = 0.0;
- listener_ori[4] = 1.0;
- listener_ori[5] = 0.0;
+ if ( !alcMakeContextCurrent(context) ) {
+ testForALCError("context initialization");
+ alcDestroyContext (context);
+ alcCloseDevice (device);
+ return;
+ }
+
+ if (_context != NULL)
+ SG_LOG(SG_GENERAL, SG_ALERT, "context is already assigned");
+ _context = context;
+ _working = true;
+
+ _at_up_vec[0] = 0.0; _at_up_vec[1] = 0.0; _at_up_vec[2] = -1.0;
+ _at_up_vec[3] = 0.0; _at_up_vec[4] = 1.0; _at_up_vec[5] = 0.0;
alListenerf( AL_GAIN, 0.0f );
- alListenerfv( AL_POSITION, listener_pos );
- alListenerfv( AL_VELOCITY, listener_vel );
- alListenerfv( AL_ORIENTATION, listener_ori );
- alGetError();
- if ( alGetError() != AL_NO_ERROR) {
- SG_LOG( SG_GENERAL, SG_ALERT,
- "Oops AL error after audio initialization!" );
- }
+ alListenerfv( AL_ORIENTATION, _at_up_vec );
+ alListenerfv( AL_POSITION, SGVec3f::zeros().data() );
+ alListenerfv( AL_VELOCITY, SGVec3f::zeros().data() );
- // exaggerate the ear candy?
alDopplerFactor(1.0);
- alDopplerVelocity(340.0); // speed of sound in meters per second.
-}
+ alDopplerVelocity(340.3); // speed of sound in meters per second.
-// destructor
+ // gain = AL_REFERENCE_DISTANCE / (AL_REFERENCE_DISTANCE +
+ // AL_ROLLOFF_FACTOR * (distance - AL_REFERENCE_DISTANCE));
+ alDistanceModel(AL_INVERSE_DISTANCE_CLAMPED);
-SGSoundMgr::~SGSoundMgr() {
+ testForALError("listener initialization");
-#if defined(ALUT_API_MAJOR_VERSION) && ALUT_API_MAJOR_VERSION >= 1
- alutExit ();
-#else
- if (context)
- alcDestroyContext( context );
-#endif
+ // get a free source one at a time
+ // if an error is returned no more (hardware) sources are available
+ for (unsigned int i=0; i<MAX_SOURCES; i++) {
+ ALuint source;
+ ALenum error;
+
+ alGetError();
+ alGenSources(1, &source);
+ error = alGetError();
+ if ( error == AL_NO_ERROR ) {
+ _free_sources.push_back( source );
+ }
+ else break;
+ }
+
+ if (_free_sources.size() == 0) {
+ SG_LOG(SG_GENERAL, SG_ALERT, "Unable to grab any OpenAL sources!");
+ }
}
+void SGSoundMgr::activate() {
+ if ( _working ) {
+ _active = true;
+ sample_group_map_iterator sample_grp_current = _sample_groups.begin();
+ sample_group_map_iterator sample_grp_end = _sample_groups.end();
+ for ( ; sample_grp_current != sample_grp_end; ++sample_grp_current ) {
+ SGSampleGroup *sgrp = sample_grp_current->second;
+ sgrp->activate();
+ }
+ }
+}
-// initialize the sound manager
-void SGSoundMgr::init() {
- //
- // Remove the samples from the sample manager.
- //
- samples.clear();
+// stop the sound manager
+void SGSoundMgr::stop() {
+ if (_working) {
+ _working = false;
+ _active = false;
+
+ // clear any OpenAL buffers before shutting down
+ buffer_map_iterator buffers_current = _buffers.begin();
+ buffer_map_iterator buffers_end = _buffers.end();
+ for ( ; buffers_current != buffers_end; ++buffers_current ) {
+ refUint ref = buffers_current->second;
+ ALuint buffer = ref.id;
+ alDeleteBuffers(1, &buffer);
+ }
+ _buffers.clear();
+
+ _context = alcGetCurrentContext();
+ _device = alcGetContextsDevice(_context);
+ alcDestroyContext(_context);
+ alcCloseDevice(_device);
+ }
+}
+
+void SGSoundMgr::suspend() {
+ if (_working) {
+ sample_group_map_iterator sample_grp_current = _sample_groups.begin();
+ sample_group_map_iterator sample_grp_end = _sample_groups.end();
+ for ( ; sample_grp_current != sample_grp_end; ++sample_grp_current ) {
+ SGSampleGroup *sgrp = sample_grp_current->second;
+ sgrp->suspend();
+ }
+ _active = false;
+ }
}
+void SGSoundMgr::resume() {
+ if (_working) {
+ sample_group_map_iterator sample_grp_current = _sample_groups.begin();
+ sample_group_map_iterator sample_grp_end = _sample_groups.end();
+ for ( ; sample_grp_current != sample_grp_end; ++sample_grp_current ) {
+ SGSampleGroup *sgrp = sample_grp_current->second;
+ sgrp->resume();
+ }
+ _active = true;
+ }
+}
void SGSoundMgr::bind ()
{
- // no properties
+ _free_sources.clear();
+ _free_sources.reserve( MAX_SOURCES );
+ _sources_in_use.clear();
+ _sources_in_use.reserve( MAX_SOURCES );
}
void SGSoundMgr::unbind ()
{
- // no properties
-}
+ _sample_groups.clear();
+ // delete free sources
+ for (unsigned int i=0; i<_free_sources.size(); i++) {
+ ALuint source = _free_sources[i];
+ alDeleteSources( 1 , &source );
+ }
-// run the audio scheduler
-void SGSoundMgr::update( double dt ) {
+ _free_sources.clear();
+ _sources_in_use.clear();
}
-
-void
-SGSoundMgr::pause ()
-{
- if (context) {
- alcSuspendContext( context );
- if ( alGetError() != AL_NO_ERROR) {
- SG_LOG( SG_GENERAL, SG_ALERT,
- "Oops AL error after soundmgr pause()!" );
+// run the audio scheduler
+void SGSoundMgr::update( double dt ) {
+ if (_active) {
+ if (_changed) {
+ update_pos_and_orientation();
}
- }
-}
+ sample_group_map_iterator sample_grp_current = _sample_groups.begin();
+ sample_group_map_iterator sample_grp_end = _sample_groups.end();
+ for ( ; sample_grp_current != sample_grp_end; ++sample_grp_current ) {
+ SGSampleGroup *sgrp = sample_grp_current->second;
+ sgrp->update(dt);
+ }
-void
-SGSoundMgr::resume ()
-{
- if (context) {
- alcProcessContext( context );
- if ( alGetError() != AL_NO_ERROR) {
- SG_LOG( SG_GENERAL, SG_ALERT,
- "Oops AL error after soundmgr resume()!" );
+ if (_changed) {
+#if 0
+if (isNaN(_at_up_vec)) printf("NaN in listener orientation\n");
+if (isNaN(toVec3f(_absolute_pos).data())) printf("NaN in listener position\n");
+if (isNaN(_velocity.data())) printf("NaN in listener velocity\n");
+#endif
+ alListenerf( AL_GAIN, _volume );
+ alListenerfv( AL_ORIENTATION, _at_up_vec );
+ // alListenerfv( AL_POSITION, toVec3f(_absolute_pos).data() );
+ alListenerfv( AL_VELOCITY, _velocity.data() );
+ // alDopplerVelocity(340.3); // TODO: altitude dependent
+ testForALError("update");
+ _changed = false;
}
}
}
-
-// add a sound effect, return true if successful
-bool SGSoundMgr::add( SGSoundSample *sound, const string& refname ) {
-
- sample_map_iterator sample_it = samples.find( refname );
- if ( sample_it != samples.end() ) {
- // sound already exists
+// add a sample group, return true if successful
+bool SGSoundMgr::add( SGSampleGroup *sgrp, const string& refname )
+{
+ sample_group_map_iterator sample_grp_it = _sample_groups.find( refname );
+ if ( sample_grp_it != _sample_groups.end() ) {
+ // sample group already exists
return false;
}
- samples[refname] = sound;
+ if (_active) sgrp->activate();
+ _sample_groups[refname] = sgrp;
return true;
}
// remove a sound effect, return true if successful
-bool SGSoundMgr::remove( const string &refname ) {
-
- sample_map_iterator sample_it = samples.find( refname );
- if ( sample_it != samples.end() ) {
- // first stop the sound from playing (so we don't bomb the
- // audio scheduler)
- samples.erase( sample_it );
-
- // cout << "sndmgr: removed -> " << refname << endl;
- return true;
- } else {
- // cout << "sndmgr: failed remove -> " << refname << endl;
+bool SGSoundMgr::remove( const string &refname )
+{
+ sample_group_map_iterator sample_grp_it = _sample_groups.find( refname );
+ if ( sample_grp_it == _sample_groups.end() ) {
+ // sample group was not found.
return false;
}
+
+ _sample_groups.erase( sample_grp_it );
+
+ return true;
}
// return true of the specified sound exists in the sound manager system
bool SGSoundMgr::exists( const string &refname ) {
- sample_map_iterator sample_it = samples.find( refname );
- if ( sample_it != samples.end() ) {
- return true;
- } else {
- return false;
+ sample_group_map_iterator sample_grp_it = _sample_groups.find( refname );
+ if ( sample_grp_it == _sample_groups.end() ) {
+ // sample group was not found.
+ return false;
}
+
+ return true;
}
-// return a pointer to the SGSoundSample if the specified sound exists
+// return a pointer to the SGSampleGroup if the specified sound exists
// in the sound manager system, otherwise return NULL
-SGSoundSample *SGSoundMgr::find( const string &refname ) {
- sample_map_iterator sample_it = samples.find( refname );
- if ( sample_it != samples.end() ) {
- return sample_it->second;
- } else {
- return NULL;
+SGSampleGroup *SGSoundMgr::find( const string &refname, bool create ) {
+ sample_group_map_iterator sample_grp_it = _sample_groups.find( refname );
+ if ( sample_grp_it == _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;
}
-// tell the scheduler to play the indexed sample in a continuous
-// loop
-bool SGSoundMgr::play_looped( const string &refname ) {
- SGSoundSample *sample;
+void SGSoundMgr::set_volume( float v )
+{
+ _volume = v;
+ if (_volume > 1.0) _volume = 1.0;
+ if (_volume < 0.0) _volume = 0.0;
+ _changed = true;
+}
- if ( (sample = find( refname )) == NULL ) {
- return false;
- } else {
- sample->play( true );
- return true;
+// Get an unused source id
+//
+// The Sound Manager should keep track of the sources in use, the distance
+// of these sources to the listener and the volume (also based on audio cone
+// and hence orientation) of the sources.
+//
+// The Sound Manager is (and should be) the only one knowing about source
+// management. Sources further away should be suspendped to free resources for
+// newly added sounds close by.
+unsigned int SGSoundMgr::request_source()
+{
+ unsigned int source = NO_SOURCE;
+
+ if (_free_sources.size() > 0) {
+ source = _free_sources.back();
+ _free_sources.pop_back();
+ _sources_in_use.push_back(source);
}
+ else
+ SG_LOG( SG_GENERAL, SG_INFO, "No more free sources available\n");
+
+ return source;
}
+// Free up a source id for further use
+void SGSoundMgr::release_source( unsigned int source )
+{
+ vector<ALuint>::iterator it;
-// tell the scheduler to play the indexed sample once
-bool SGSoundMgr::play_once( const string& refname ) {
- SGSoundSample *sample;
+ it = std::find(_sources_in_use.begin(), _sources_in_use.end(), source);
+ if ( it != _sources_in_use.end() ) {
+ ALint result;
- if ( (sample = find( refname )) == NULL ) {
- return false;
- } else {
- sample->play( false );
- return true;
+ alGetSourcei( source, AL_SOURCE_STATE, &result );
+ if ( result == AL_PLAYING )
+ alSourceStop( source );
+ testForALError("release source");
+
+ alSourcei( source, AL_BUFFER, 0 );
+ _free_sources.push_back( source );
+ _sources_in_use.erase( it );
}
}
+unsigned int SGSoundMgr::request_buffer(SGSoundSample *sample)
+{
+ ALuint buffer = NO_BUFFER;
+
+ if ( !sample->is_valid_buffer() ) {
+ // sample was not yet loaded or removed again
+ string sample_name = sample->get_sample_name();
+
+ // see if the sample name is already cached
+ buffer_map_iterator buffer_it = _buffers.find( sample_name );
+ if ( buffer_it != _buffers.end() ) {
+ buffer_it->second.refctr++;
+ buffer = buffer_it->second.id;
+ sample->set_buffer( buffer );
+ return buffer;
+ }
-// return true of the specified sound is currently being played
-bool SGSoundMgr::is_playing( const string& refname ) {
- SGSoundSample *sample;
+ // sample name was not found in the buffer cache.
+ if ( sample->is_file() ) {
+ size_t size;
+ int freq, format;
+ void *data;
+
+ load(sample_name, &data, &format, &size, &freq);
+ sample->set_data( &data );
+ sample->set_frequency( freq );
+ sample->set_format( format );
+ sample->set_size( size );
+ }
- if ( (sample = find( refname )) == NULL ) {
- return false;
- } else {
- return ( sample->is_playing() );
+ // create an OpenAL buffer handle
+ alGenBuffers(1, &buffer);
+ if ( !testForALError("generate buffer") ) {
+ // Copy data to the internal OpenAL buffer
+
+ const ALvoid *data = sample->get_data();
+ ALenum format = sample->get_format();
+ ALsizei size = sample->get_size();
+ ALsizei freq = sample->get_frequency();
+ alBufferData( buffer, format, data, size, freq );
+
+ // If this sample was read from a file we have all the information
+ // needed to read it again. For data buffers provided by the
+ // program we don't; so don't delete it's data.
+ if ( sample->is_file() ) sample->free_data();
+
+ if ( !testForALError("buffer add data") ) {
+ sample->set_buffer(buffer);
+ _buffers[sample_name] = refUint(buffer);
+ }
+ }
}
+ else {
+ buffer = sample->get_buffer();
}
+ return buffer;
+}
-// immediate stop playing the sound
-bool SGSoundMgr::stop( const string& refname ) {
- SGSoundSample *sample;
+void SGSoundMgr::release_buffer(SGSoundSample *sample)
+{
+ string sample_name = sample->get_sample_name();
+ buffer_map_iterator buffer_it = _buffers.find( sample_name );
+ if ( buffer_it == _buffers.end() ) {
+ // buffer was not found
+ return;
+ }
- if ( (sample = find( refname )) == NULL ) {
- return false;
- } else {
- sample->stop();
- return true;
+ sample->no_valid_buffer();
+ buffer_it->second.refctr--;
+ if (buffer_it->second.refctr == 0) {
+ ALuint buffer = buffer_it->second.id;
+ alDeleteBuffers(1, &buffer);
+ _buffers.erase( buffer_it );
+ testForALError("release buffer");
}
}
+void SGSoundMgr::update_pos_and_orientation() {
+ /**
+ * Description: ORIENTATION is a pair of 3-tuples representing the
+ * 'at' direction vector and 'up' direction of the Object in
+ * Cartesian space. AL expects two vectors that are orthogonal to
+ * each other. These vectors are not expected to be normalized. If
+ * one or more vectors have zero length, implementation behavior
+ * is undefined. If the two vectors are linearly dependent,
+ * behavior is undefined.
+ *
+ * This is in the same coordinate system as OpenGL; y=up, z=back, x=right.
+ */
+ SGVec3d sgv_at = _orientation.backTransform(-SGVec3d::e3());
+ SGVec3d sgv_up = _orientation.backTransform(SGVec3d::e2());
+ _at_up_vec[0] = sgv_at[0];
+ _at_up_vec[1] = sgv_at[1];
+ _at_up_vec[2] = sgv_at[2];
+ _at_up_vec[3] = sgv_up[0];
+ _at_up_vec[4] = sgv_up[1];
+ _at_up_vec[5] = sgv_up[2];
+
+ // static const SGQuatd q(-0.5, -0.5, 0.5, 0.5);
+ // SGQuatd hlOr = SGQuatd::fromLonLat(SGGeod::fromCart(_base_pos));
+ // SGQuatd ec2body = hlOr*_orientation;
+ _absolute_pos = _base_pos; // + ec2body.backTransform( _offset_pos );
+}
-// set source position of all managed sounds
-void SGSoundMgr::set_source_pos_all( ALfloat *pos ) {
- if ( isnan(pos[0]) || isnan(pos[1]) || isnan(pos[2]) ) {
- // bail if a bad position is passed in
- return;
+bool SGSoundMgr::load(string &samplepath, void **dbuf, int *fmt,
+ size_t *sz, int *frq )
+{
+ if ( !_working ) return false;
+
+ ALenum format;
+ ALsizei size;
+ ALsizei freq;
+ ALvoid *data;
+
+#if defined(ALUT_API_MAJOR_VERSION) && ALUT_API_MAJOR_VERSION >= 1
+ ALfloat freqf;
+ data = alutLoadMemoryFromFile(samplepath.c_str(), &format, &size, &freqf );
+ freq = (ALsizei)freqf;
+ if (data == NULL) {
+ int error = alutGetError();
+ string msg = "Failed to load wav file: ";
+ msg.append(alutGetErrorString(error));
+ throw sg_io_exception(msg.c_str(), sg_location(samplepath));
+ return false;
}
- sample_map_iterator sample_current = samples.begin();
- sample_map_iterator sample_end = samples.end();
- for ( ; sample_current != sample_end; ++sample_current ) {
- SGSoundSample *sample = sample_current->second;
- sample->set_source_pos( pos );
+#else
+ ALbyte *fname = (ALbyte *)samplepath.c_str();
+# if defined (__APPLE__)
+ alutLoadWAVFile( fname, &format, &data, &size, &freq );
+# else
+ ALboolean loop;
+ alutLoadWAVFile( fname, &format, &data, &size, &freq, &loop );
+# endif
+ ALenum error = alGetError();
+ if ( error != AL_NO_ERROR ) {
+ string msg = "Failed to load wav file: ";
+ msg.append(alGetString(error));
+ throw sg_io_exception(msg.c_str(), sg_location(samplepath));
+ return false;
}
+#endif
+
+ *dbuf = (void *)data;
+ *fmt = (int)format;
+ *sz = (size_t)size;
+ *frq = (int)freq;
+
+ return true;
}
-// set source velocity of all managed sounds
-void SGSoundMgr::set_source_vel_all( ALfloat *vel ) {
- if ( isnan(vel[0]) || isnan(vel[1]) || isnan(vel[2]) ) {
- // bail if a bad velocity is passed in
- return;
+bool SGSoundMgr::testForError(void *p, string s)
+{
+ if (p == NULL) {
+ SG_LOG( SG_GENERAL, SG_ALERT, "Error: " << s);
+ return true;
+ }
+ return false;
+}
+
+
+bool SGSoundMgr::testForALError(string s)
+{
+ ALenum error = alGetError();
+ if (error != AL_NO_ERROR) {
+ SG_LOG( SG_GENERAL, SG_ALERT, "AL Error (sound manager): "
+ << alGetString(error) << " at " << s);
+ return true;
+ }
+ return false;
+}
+
+bool SGSoundMgr::testForALCError(string s)
+{
+ ALCenum error;
+ error = alcGetError(_device);
+ if (error != ALC_NO_ERROR) {
+ SG_LOG( SG_GENERAL, SG_ALERT, "ALC Error (sound manager): "
+ << alcGetString(_device, error) << " at "
+ << s);
+ return true;
}
+ return false;
+}
- sample_map_iterator sample_current = samples.begin();
- sample_map_iterator sample_end = samples.end();
- for ( ; sample_current != sample_end; ++sample_current ) {
- SGSoundSample *sample = sample_current->second;
- sample->set_source_vel( vel, listener_vel );
+bool SGSoundMgr::testForALUTError(string s)
+{
+#if defined(ALUT_API_MAJOR_VERSION) && ALUT_API_MAJOR_VERSION >= 1
+ ALenum error;
+ error = alutGetError ();
+ if (error != ALUT_ERROR_NO_ERROR) {
+ SG_LOG( SG_GENERAL, SG_ALERT, "ALUT Error (sound manager): "
+ << alutGetErrorString(error) << " at "
+ << s);
+ return true;
}
+#endif
+ return false;
}
projects / simgear.git / blobdiff