-// sample.cxx -- Sound sample encapsulation class
+// sample_openal.cxx -- Audio sample encapsulation class
//
// Written by Curtis Olson, started April 2004.
+// Modified to match the new SoundSystem by Erik Hofman, October 2009
//
-// Copyright (C) 2004 Curtis L. Olson - curt@flightgear.org
+// Copyright (C) 2004 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., 675 Mass Ave, Cambridge, MA 02139, USA.
+// along with this program; if not, write to the Free Software Foundation,
+// Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
//
// $Id$
-
-#if defined( __APPLE__ )
-# define AL_ILLEGAL_ENUM AL_INVALID_ENUM
-# define AL_ILLEGAL_COMMAND AL_INVALID_OPERATION
-# include <OpenAL/al.h>
-# include <OpenAL/alut.h>
-#else
-# include <AL/al.h>
-# include <AL/alut.h>
+#ifdef HAVE_CONFIG_H
+# include <simgear_config.h>
#endif
+#include <stdlib.h> // rand()
+
#include <simgear/debug/logstream.hxx>
-#include <simgear/misc/sg_path.hxx>
#include <simgear/structure/exception.hxx>
+#include <simgear/misc/sg_path.hxx>
+#include <simgear/math/SGQuat.hxx>
+#include "soundmgr_openal.hxx"
#include "sample_openal.hxx"
// SGSoundSample
//
-
-static void print_openal_error( ALuint error ) {
- if ( error == AL_INVALID_NAME ) {
- SG_LOG( SG_GENERAL, SG_ALERT, "AL_INVALID_NAME" );
- } else if ( error == AL_ILLEGAL_ENUM ) {
- SG_LOG( SG_GENERAL, SG_ALERT, "AL_ILLEGAL_ENUM" );
- } else if ( error == AL_INVALID_VALUE ) {
- SG_LOG( SG_GENERAL, SG_ALERT, "AL_INVALID_VALUE" );
- } else if ( error == AL_ILLEGAL_COMMAND ) {
- SG_LOG( SG_GENERAL, SG_ALERT, "AL_ILLEGAL_COMMAND" );
- } else if ( error == AL_OUT_OF_MEMORY ) {
- SG_LOG( SG_GENERAL, SG_ALERT, "AL_OUT_OF_MEMORY" );
- } else {
- SG_LOG( SG_GENERAL, SG_ALERT, "Unhandled error code = " << error );
- }
+// empty constructor
+SGSoundSample::SGSoundSample() :
+ _absolute_pos(SGVec3d::zeros()),
+ _relative_pos(SGVec3d::zeros()),
+ _direction(SGVec3d::zeros()),
+ _velocity(SGVec3f::zeros()),
+ _orientation(SGQuatd::zeros()),
+ _orivec(SGVec3f::zeros()),
+ _base_pos(SGGeod::fromDeg(0,0)),
+ _refname(random_string()),
+ _data(NULL),
+ _format(AL_FORMAT_MONO8),
+ _size(0),
+ _freq(0),
+ _valid_buffer(false),
+ _buffer(SGSoundMgr::NO_BUFFER),
+ _valid_source(false),
+ _source(SGSoundMgr::NO_SOURCE),
+ _inner_angle(360.0),
+ _outer_angle(360.0),
+ _outer_gain(0.0),
+ _pitch(1.0),
+ _volume(1.0),
+ _master_volume(1.0),
+ _reference_dist(500.0),
+ _max_dist(3000.0),
+ _loop(AL_FALSE),
+ _playing(false),
+ _changed(true),
+ _static_changed(true),
+ _is_file(false)
+{
}
-
// constructor
-SGSoundSample::SGSoundSample( const char *path, const char *file,
- bool cleanup ) :
- pitch(1.0),
- volume(1.0),
- loop(AL_FALSE)
+SGSoundSample::SGSoundSample( const char *path, const char *file ) :
+ _absolute_pos(SGVec3d::zeros()),
+ _relative_pos(SGVec3d::zeros()),
+ _direction(SGVec3d::zeros()),
+ _velocity(SGVec3f::zeros()),
+ _orientation(SGQuatd::zeros()),
+ _orivec(SGVec3f::zeros()),
+ _base_pos(SGGeod::fromDeg(0,0)),
+ _refname(file),
+ _data(NULL),
+ _format(AL_FORMAT_MONO8),
+ _size(0),
+ _freq(0),
+ _valid_buffer(false),
+ _buffer(SGSoundMgr::NO_BUFFER),
+ _valid_source(false),
+ _source(SGSoundMgr::NO_SOURCE),
+ _inner_angle(360.0),
+ _outer_angle(360.0),
+ _outer_gain(0.0),
+ _pitch(1.0),
+ _volume(1.0),
+ _master_volume(1.0),
+ _reference_dist(500.0),
+ _max_dist(3000.0),
+ _loop(AL_FALSE),
+ _playing(false),
+ _changed(true),
+ _static_changed(true),
+ _is_file(true)
{
SGPath samplepath( path );
if ( strlen(file) ) {
samplepath.append( file );
}
-
- sample_name = samplepath.str();
-
- SG_LOG( SG_GENERAL, SG_DEBUG, "From file sounds sample = "
- << samplepath.str() );
-
- ALuint error;
-
- source_pos[0] = 0.0; source_pos[1] = 0.0; source_pos[2] = 0.0;
- source_vel[0] = 0.0; source_vel[1] = 0.0; source_vel[2] = 0.0;
-
- // clear errors from elsewhere?
- alGetError();
-
- // create an OpenAL buffer handle
- alGenBuffers(1, &buffer);
- error = alGetError();
- if ( error != AL_NO_ERROR ) {
- print_openal_error( error );
- throw sg_exception("Failed to gen OpenAL buffer.");
- }
-
- // Load the sample file
-#if defined (__APPLE__)
- alutLoadWAVFile( (ALbyte *)samplepath.c_str(),
- &format, &data, &size, &freq );
-#else
- alutLoadWAVFile( (ALbyte *)samplepath.c_str(),
- &format, &data, &size, &freq, &loop );
-#endif
- if (alGetError() != AL_NO_ERROR) {
- throw sg_exception("Failed to load wav file.");
- }
-
- // Copy data to the internal OpenAL buffer
- alBufferData( buffer, format, data, size, freq );
- if (alGetError() != AL_NO_ERROR) {
- throw sg_exception("Failed to buffer data.");
- }
-
- if ( cleanup ) {
- alutUnloadWAV( format, data, size, freq );
- data = NULL;
- }
-
- // Bind buffer with a source.
- alGenSources(1, &source);
- if (alGetError() != AL_NO_ERROR) {
- throw sg_exception("Failed to gen source.");
- }
-
- alSourcei( source, AL_BUFFER, buffer );
- alSourcef( source, AL_PITCH, pitch );
- alSourcef( source, AL_GAIN, volume );
- alSourcefv( source, AL_POSITION, source_pos );
- alSourcefv( source, AL_VELOCITY, source_vel );
- alSourcei( source, AL_LOOPING, loop );
+ _refname = samplepath.str();
}
-
// constructor
-SGSoundSample::SGSoundSample( unsigned char *_data, int len, int _freq ) :
- pitch(1.0),
- volume(1.0),
- loop(AL_FALSE)
+SGSoundSample::SGSoundSample( const unsigned char** data,
+ int len, int freq, int format ) :
+ _absolute_pos(SGVec3d::zeros()),
+ _relative_pos(SGVec3d::zeros()),
+ _direction(SGVec3d::zeros()),
+ _velocity(SGVec3f::zeros()),
+ _orientation(SGQuatd::zeros()),
+ _orivec(SGVec3f::zeros()),
+ _base_pos(SGGeod::fromDeg(0,0)),
+ _refname(random_string()),
+ _format(format),
+ _size(len),
+ _freq(freq),
+ _valid_buffer(false),
+ _buffer(SGSoundMgr::NO_BUFFER),
+ _valid_source(false),
+ _source(SGSoundMgr::NO_SOURCE),
+ _inner_angle(360.0),
+ _outer_angle(360.0),
+ _outer_gain(0.0),
+ _pitch(1.0),
+ _volume(1.0),
+ _master_volume(1.0),
+ _reference_dist(500.0),
+ _max_dist(3000.0),
+ _loop(AL_FALSE),
+ _playing(false),
+ _changed(true),
+ _static_changed(true),
+ _is_file(false)
{
SG_LOG( SG_GENERAL, SG_DEBUG, "In memory sounds sample" );
+ _data = (unsigned char*)*data; *data = NULL;
+}
- sample_name = "unknown, generated from data";
-
- source_pos[0] = 0.0; source_pos[1] = 0.0; source_pos[2] = 0.0;
- source_vel[0] = 0.0; source_vel[1] = 0.0; source_vel[2] = 0.0;
-
- // Load wav data into a buffer.
- alGenBuffers(1, &buffer);
- if (alGetError() != AL_NO_ERROR) {
- throw sg_exception("Failed to gen buffer." );
- return;
- }
-
- format = AL_FORMAT_MONO8;
- size = len;
- data = _data;
- freq = _freq;
-
- alBufferData( buffer, format, data, size, freq );
-
- // Bind buffer with a source.
- alGenSources(1, &source);
- if (alGetError() != AL_NO_ERROR) {
- throw sg_exception("Failed to gen source.");
- }
-
- alSourcei( source, AL_BUFFER, buffer );
- alSourcef( source, AL_PITCH, pitch );
- alSourcef( source, AL_GAIN, volume );
- alSourcefv( source, AL_POSITION, source_pos );
- alSourcefv( source, AL_VELOCITY, source_vel );
- alSourcei( source, AL_LOOPING, loop );
+// constructor
+SGSoundSample::SGSoundSample( void** data, int len, int freq, int format ) :
+ _absolute_pos(SGVec3d::zeros()),
+ _relative_pos(SGVec3d::zeros()),
+ _direction(SGVec3d::zeros()),
+ _velocity(SGVec3f::zeros()),
+ _orientation(SGQuatd::zeros()),
+ _orivec(SGVec3f::zeros()),
+ _base_pos(SGGeod::fromDeg(0,0)),
+ _refname(random_string()),
+ _format(format),
+ _size(len),
+ _freq(freq),
+ _valid_buffer(false),
+ _buffer(SGSoundMgr::NO_BUFFER),
+ _valid_source(false),
+ _source(SGSoundMgr::NO_SOURCE),
+ _inner_angle(360.0),
+ _outer_angle(360.0),
+ _outer_gain(0.0),
+ _pitch(1.0),
+ _volume(1.0),
+ _master_volume(1.0),
+ _reference_dist(500.0),
+ _max_dist(3000.0),
+ _loop(AL_FALSE),
+ _playing(false),
+ _changed(true),
+ _static_changed(true),
+ _is_file(false)
+{
+ SG_LOG( SG_GENERAL, SG_DEBUG, "In memory sounds sample" );
+ _data = (unsigned char*)*data; *data = NULL;
}
// destructor
SGSoundSample::~SGSoundSample() {
- SG_LOG( SG_GENERAL, SG_INFO, "Deleting a sample" );
- if ( data != NULL ) {
- delete data;
- }
- alDeleteSources(1, &source);
- alDeleteBuffers(1, &buffer);
+ if (_data) free(_data);
}
+void SGSoundSample::update_pos_and_orientation() {
+ // The rotation rotating from the earth centerd frame to
+ // the horizontal local frame
+ SGQuatd hlOr = SGQuatd::fromLonLat(_base_pos);
+
+ // Compute the sounds orientation and position
+ // wrt the earth centered frame - that is global coorinates
+ SGQuatd sc2body = hlOr*_orientation;
-// play the sample
-void SGSoundSample::play( bool _loop ) {
- loop = _loop;
-
- // make sure sound isn't already playing
- alSourceStop( source );
+ // This is rotates the x-forward, y-right, z-down coordinate system where
+ // simulation runs into the OpenGL camera system with x-right, y-up, z-back.
+ SGQuatd q(-0.5, -0.5, 0.5, 0.5);
- alSourcei( source, AL_LOOPING, loop );
- alSourcePlay( source );
+ // The cartesian position of the sounds base location
+ SGVec3d position = SGVec3d::fromGeod(_base_pos);
+
+ _absolute_pos = position;
+#if 0
+ if ( _relative_pos[0] || _relative_pos[1] || _relative_pos[2] ) {
+ _absolute_pos += (sc2body*q).backTransform(_relative_pos);
+ }
+#endif
+ if ( _direction[0] || _direction[1] || _direction[2] ) {
+ _orivec = toVec3f( (sc2body*q).backTransform(_direction) );
+ }
}
+string SGSoundSample::random_string() {
+ static const char *r = "0123456789abcdefghijklmnopqrstuvwxyz"
+ "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
+ string rstr = "System generated name: ";
+ for (int i=0; i<10; i++) {
+ rstr.push_back( r[rand() % strlen(r)] );
+ }
-// stop playing the sample
-void SGSoundSample::stop() {
- alSourceStop( source );
+ return rstr;
}
+
projects / simgear.git / blobdiff