X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=simgear%2Fsound%2Fsoundmgr_openal.cxx;h=97a1f05c4ff6e9c42606b9911f1a424b7721e0aa;hb=40fc2907a153093f830994519fc6ada40e21ae49;hp=918b05da5a65f9f7d25ffa6d8749b760d4605e3f;hpb=0f21c39e496cf7ac83c0f87b85db9566e3e32689;p=simgear.git diff --git a/simgear/sound/soundmgr_openal.cxx b/simgear/sound/soundmgr_openal.cxx index 918b05da..97a1f05c 100644 --- a/simgear/sound/soundmgr_openal.cxx +++ b/simgear/sound/soundmgr_openal.cxx @@ -30,13 +30,14 @@ #endif #if defined( __APPLE__ ) -# include +# include #else # include #endif #include #include +#include #include "soundmgr_openal.hxx" @@ -45,10 +46,18 @@ #include #include +using std::string; +using std::vector; + extern bool isNaN(float *v); #define MAX_SOURCES 128 + +#ifndef ALC_ALL_DEVICES_SPECIFIER +# define ALC_ALL_DEVICES_SPECIFIER 0x1013 +#endif + // // Sound Manager // @@ -69,8 +78,9 @@ SGSoundMgr::SGSoundMgr() : _geod_pos(SGGeod::fromCart(SGVec3d::zeros())), _velocity(SGVec3d::zeros()), _orientation(SGQuatd::zeros()), - _devname(NULL), - _bad_doppler(false) + _bad_doppler(false), + _renderer("unknown"), + _vendor("unknown") { #if defined(ALUT_API_MAJOR_VERSION) && ALUT_API_MAJOR_VERSION >= 1 if (_alut_init == 0) { @@ -80,6 +90,8 @@ SGSoundMgr::SGSoundMgr() : } } _alut_init++; +#else + //#error ALUT 1.1 required, ALUT 1.0 is no longer supported, please upgrade #endif } @@ -97,16 +109,21 @@ SGSoundMgr::~SGSoundMgr() { } // initialize the sound manager -void SGSoundMgr::init() { +void SGSoundMgr::init(const char *devname) { SG_LOG( SG_GENERAL, SG_INFO, "Initializing OpenAL sound manager" ); - ALCdevice *device = alcOpenDevice(_devname); - if ( testForError(device, "No default audio device available.") ) { - return; + ALCdevice *device = alcOpenDevice(devname); + if ( testForError(device, "Audio device not available, trying default") ) { + device = alcOpenDevice(NULL); + if (testForError(device, "Default Audio device not available.") ) { + return; + } } + _device = device; ALCcontext *context = alcCreateContext(device, NULL); + testForALCError("context creation."); if ( testForError(context, "Unable to create a valid context.") ) { alcCloseDevice (device); return; @@ -156,12 +173,13 @@ void SGSoundMgr::init() { else break; } - string vendor = alGetString(AL_VENDOR); - string renderer = alGetString(AL_RENDERER); - if ( vendor != "OpenAL Community" || - (renderer != "Software" && renderer != "OpenAL Sample Implementation") - ) - { + _vendor = (const char *)alGetString(AL_VENDOR); + _renderer = (const char *)alGetString(AL_RENDERER); + + if (_vendor == "Creative Labs Inc.") { + _bad_doppler = true; + + } else if (_vendor == "OpenAL Community" && _renderer == "OpenAL Soft") { _bad_doppler = true; } @@ -184,24 +202,43 @@ void SGSoundMgr::activate() { // stop the sound manager void SGSoundMgr::stop() { + + // first stop all sample groups + 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->stop(); + } + + // clear all OpenAL sources + for (unsigned int i=0; i<_free_sources.size(); i++) { + ALuint source = _free_sources[i]; + alDeleteSources( 1 , &source ); + } + _free_sources.clear(); + + // 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(); + 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); + _context = NULL; + + _renderer = "unknown"; + _vendor = "unknown"; } } @@ -211,7 +248,7 @@ void SGSoundMgr::suspend() { 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(); + sgrp->stop(); } _active = false; } @@ -255,6 +292,8 @@ void SGSoundMgr::unbind () // run the audio scheduler void SGSoundMgr::update( double dt ) { if (_active) { + alcSuspendContext(_context); + if (_changed) { update_pos_and_orientation(); } @@ -291,6 +330,8 @@ if (isNaN(_velocity.data())) printf("NaN in listener velocity\n"); testForALError("update"); _changed = false; } + + alcProcessContext(_context); } } @@ -398,11 +439,12 @@ void SGSoundMgr::release_source( unsigned int source ) ALint result; alGetSourcei( source, AL_SOURCE_STATE, &result ); - if ( result == AL_PLAYING ) + if ( result == AL_PLAYING ) { alSourceStop( source ); - testForALError("release source"); + } - alSourcei( source, AL_BUFFER, 0 ); + alSourcei( source, AL_BUFFER, 0 ); // detach the associated buffer + testForALError("release_source"); _free_sources.push_back( source ); _sources_in_use.erase( it ); } @@ -415,6 +457,7 @@ unsigned int SGSoundMgr::request_buffer(SGSoundSample *sample) if ( !sample->is_valid_buffer() ) { // sample was not yet loaded or removed again string sample_name = sample->get_sample_name(); + void *sample_data = NULL; // see if the sample name is already cached buffer_map_iterator buffer_it = _buffers.find( sample_name ); @@ -427,15 +470,24 @@ unsigned int SGSoundMgr::request_buffer(SGSoundSample *sample) // sample name was not found in the buffer cache. if ( sample->is_file() ) { - size_t size; int freq, format; - void *data; + size_t size; - load(sample_name, &data, &format, &size, &freq); - sample->set_data( &data ); + try { + bool res = load(sample_name, &sample_data, &format, &size, &freq); + if (res == false) return NO_BUFFER; + } catch (sg_exception& e) { + SG_LOG(SG_GENERAL, SG_ALERT, + "failed to load sound buffer:" << e.getFormattedMessage()); + return NO_BUFFER; + } + sample->set_frequency( freq ); sample->set_format( format ); sample->set_size( size ); + + } else { + sample_data = sample->get_data(); } // create an OpenAL buffer handle @@ -443,46 +495,45 @@ unsigned int SGSoundMgr::request_buffer(SGSoundSample *sample) 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(); + alBufferData( buffer, format, sample_data, size, freq ); if ( !testForALError("buffer add data") ) { sample->set_buffer(buffer); _buffers[sample_name] = refUint(buffer); } } + + if ( sample->is_file() ) free(sample_data); } else { buffer = sample->get_buffer(); -} + } return buffer; } 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->is_queue() ) + { + 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; + } - 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"); + 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"); + } } } @@ -507,10 +558,7 @@ void SGSoundMgr::update_pos_and_orientation() { _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 ); + _absolute_pos = _base_pos; } bool SGSoundMgr::load(string &samplepath, void **dbuf, int *fmt, @@ -525,12 +573,15 @@ bool SGSoundMgr::load(string &samplepath, void **dbuf, int *fmt, #if defined(ALUT_API_MAJOR_VERSION) && ALUT_API_MAJOR_VERSION >= 1 ALfloat freqf; + // ignore previous errors to prevent the system from halting on silly errors + alGetError(); + alcGetError(_device); data = alutLoadMemoryFromFile(samplepath.c_str(), &format, &size, &freqf ); freq = (ALsizei)freqf; - if (data == NULL) { - int error = alutGetError(); + int error = alutGetError(); + if (data == NULL || error != ALUT_ERROR_NO_ERROR) { string msg = "Failed to load wav file: "; - msg.append(alutGetErrorString(error)); + msg.append(alutGetErrorString(error)); throw sg_io_exception(msg.c_str(), sg_location(samplepath)); return false; } @@ -546,12 +597,27 @@ bool SGSoundMgr::load(string &samplepath, void **dbuf, int *fmt, ALenum error = alGetError(); if ( error != AL_NO_ERROR ) { string msg = "Failed to load wav file: "; - msg.append(alGetString(error)); + const ALchar *errorString = alGetString(error); + if (errorString) { + msg.append(errorString); + } else { + // alGetString returns NULL when an unexpected or OS specific error + // occurs: e.g. -43 on Mac when file is not found. + // In this case, alGetString() sets 'Invalid Enum' error, so + // showing with the original error number is helpful. + stringstream ss; + ss << alGetString(alGetError()) << "(" << error << ")"; + msg.append(ss.str()); + } throw sg_io_exception(msg.c_str(), sg_location(samplepath)); return false; } #endif + if (format == AL_FORMAT_STEREO8 || format == AL_FORMAT_STEREO16) { + throw sg_io_exception("Warning: STEREO files are not supported for 3D audio effects: " + samplepath); + } + *dbuf = (void *)data; *fmt = (int)format; *sz = (size_t)size; @@ -560,6 +626,32 @@ bool SGSoundMgr::load(string &samplepath, void **dbuf, int *fmt, return true; } +vector SGSoundMgr::get_available_devices() +{ + vector devices; + const ALCchar *s; + + if (alcIsExtensionPresent(NULL, "ALC_enumerate_all_EXT") == AL_TRUE) { + s = alcGetString(NULL, ALC_ALL_DEVICES_SPECIFIER); + } else { + s = alcGetString(NULL, ALC_DEVICE_SPECIFIER); + } + + if (s) { + ALCchar *nptr, *ptr = (ALCchar *)s; + + nptr = ptr; + while (*(nptr += strlen(ptr)+1) != 0) + { + devices.push_back(ptr); + ptr = nptr; + } + devices.push_back(ptr); + } + + return devices; +} + bool SGSoundMgr::testForError(void *p, string s) {