__FORCE_ALIGN_STACK__
void CSound::StartThread(int maxSounds)
{
{
boost::recursive_mutex::scoped_lock lck(soundMutex);
// alc... will create its own thread it will copy the name from the current thread.
// Later we finally rename `our` audio thread.
Threading::SetThreadName("openal");
// NULL -> default device
const ALchar* deviceName = NULL;
std::string configDeviceName = "";
// we do not want to set a default for snd_device,
// so we do it like this ...
if (configHandler->IsSet("snd_device"))
{
configDeviceName = configHandler->GetString("snd_device");
deviceName = configDeviceName.c_str();
}
ALCdevice* device = alcOpenDevice(deviceName);
if ((device == NULL) && (deviceName != NULL))
{
LOG_L(L_WARNING,
"Could not open the sound device \"%s\", trying the default device ...",
deviceName);
configDeviceName = "";
deviceName = NULL;
device = alcOpenDevice(deviceName);
}
if (device == NULL)
{
LOG_L(L_ERROR, "Could not open a sound device, disabling sounds");
CheckError("CSound::InitAL");
return;
}
else
{
ALCcontext *context = alcCreateContext(device, NULL);
if (context != NULL)
{
alcMakeContextCurrent(context);
CheckError("CSound::CreateContext");
}
else
{
alcCloseDevice(device);
LOG_L(L_ERROR, "Could not create OpenAL audio context");
return;
}
}
maxSounds = GetMaxMonoSources(device, maxSounds);
LOG("OpenAL info:");
if(alcIsExtensionPresent(NULL, "ALC_ENUMERATION_EXT"))
{
LOG(" Available Devices:");
const char* deviceSpecifier = alcGetString(NULL, ALC_ALL_DEVICES_SPECIFIER);
while (*deviceSpecifier != '\0') {
LOG(" %s", deviceSpecifier);
while (*deviceSpecifier++ != '\0')
;
}
LOG(" Device: %s", (const char*)alcGetString(device, ALC_DEVICE_SPECIFIER));
}
LOG(" Vendor: %s", (const char*)alGetString(AL_VENDOR));
LOG(" Version: %s", (const char*)alGetString(AL_VERSION));
LOG(" Renderer: %s", (const char*)alGetString(AL_RENDERER));
LOG(" AL Extensions: %s", (const char*)alGetString(AL_EXTENSIONS));
LOG(" ALC Extensions: %s", (const char*)alcGetString(device, ALC_EXTENSIONS));
// Init EFX
efx = new CEFX(device);
// Generate sound sources
for (int i = 0; i < maxSounds; i++)
{
CSoundSource* thenewone = new CSoundSource();
if (thenewone->IsValid()) {
sources.push_back(thenewone);
} else {
maxSounds = std::max(i-1, 0);
LOG_L(L_WARNING,
"Your hardware/driver can not handle more than %i soundsources",
maxSounds);
delete thenewone;
break;
}
}
LOG(" Max Sounds: %i", maxSounds);
// Set distance model (sound attenuation)
alDistanceModel(AL_INVERSE_DISTANCE_CLAMPED);
alDopplerFactor(0.2f);
alListenerf(AL_GAIN, masterVolume);
}
Threading::SetThreadName("audio");
Watchdog::RegisterThread(WDT_AUDIO);
while (!soundThreadQuit) {
boost::this_thread::sleep(boost::posix_time::millisec(50)); //! 20Hz
Watchdog::ClearTimer(WDT_AUDIO);
Update();
}
Watchdog::DeregisterThread(WDT_AUDIO);
sources.clear(); // delete all sources
delete efx; // must happen after sources and before context
efx = NULL;
ALCcontext* curcontext = alcGetCurrentContext();
ALCdevice* curdevice = alcGetContextsDevice(curcontext);
alcMakeContextCurrent(NULL);
alcDestroyContext(curcontext);
alcCloseDevice(curdevice);
}
void CSound::StartThread(int maxSounds)
{
{
boost::recursive_mutex::scoped_lock lck(soundMutex);
// NULL -> default device
const ALchar* deviceName = NULL;
std::string configDeviceName = "";
// we do not want to set a default for snd_device,
// so we do it like this ...
if (configHandler->IsSet("snd_device"))
{
configDeviceName = configHandler->GetString("snd_device", "YOU_SHOULD_NOT_EVER_SEE_THIS");
deviceName = configDeviceName.c_str();
}
ALCdevice* device = alcOpenDevice(deviceName);
if ((device == NULL) && (deviceName != NULL))
{
LogObject(LOG_SOUND) << "Could not open the sound device \""
<< deviceName << "\", trying the default device ...";
configDeviceName = "";
deviceName = NULL;
device = alcOpenDevice(deviceName);
}
if (device == NULL)
{
LogObject(LOG_SOUND) << "Could not open a sound device, disabling sounds";
CheckError("CSound::InitAL");
return;
}
else
{
ALCcontext *context = alcCreateContext(device, NULL);
if (context != NULL)
{
alcMakeContextCurrent(context);
CheckError("CSound::CreateContext");
}
else
{
alcCloseDevice(device);
LogObject(LOG_SOUND) << "Could not create OpenAL audio context";
return;
}
}
const bool airAbsorptionSupported = alcIsExtensionPresent(device, "ALC_EXT_EFX");
LogObject(LOG_SOUND) << "OpenAL info:\n";
if(alcIsExtensionPresent(NULL, "ALC_ENUMERATION_EXT"))
{
LogObject(LOG_SOUND) << " Available Devices:";
const char *s = alcGetString(NULL, ALC_DEVICE_SPECIFIER);
while (*s != '\0')
{
LogObject(LOG_SOUND) << " " << s;
while (*s++ != '\0')
;
}
LogObject(LOG_SOUND) << " Device: " << alcGetString(device, ALC_DEVICE_SPECIFIER);
}
LogObject(LOG_SOUND) << " Vendor: " << (const char*)alGetString(AL_VENDOR );
LogObject(LOG_SOUND) << " Version: " << (const char*)alGetString(AL_VERSION);
LogObject(LOG_SOUND) << " Renderer: " << (const char*)alGetString(AL_RENDERER);
LogObject(LOG_SOUND) << " AL Extensions: " << (const char*)alGetString(AL_EXTENSIONS);
LogObject(LOG_SOUND) << " ALC Extensions: " << (const char*)alcGetString(device, ALC_EXTENSIONS);
// Init EFX
efx = new CEFX(device);
// Generate sound sources
for (int i = 0; i < maxSounds; i++)
{
CSoundSource* thenewone = new CSoundSource();
if (thenewone->IsValid()) {
sources.push_back(thenewone);
} else {
maxSounds = std::max(i-1, 0);
LogObject(LOG_SOUND) << "Your hardware/driver can not handle more than " << maxSounds << " soundsources";
delete thenewone;
break;
}
}
LogObject(LOG_SOUND) << " Max Sounds: " << maxSounds;
// Set distance model (sound attenuation)
alDistanceModel(AL_INVERSE_DISTANCE_CLAMPED);
alDopplerFactor(0.2f);
alListenerf(AL_GAIN, masterVolume);
}
configHandler->Set("MaxSounds", maxSounds);
while (!soundThreadQuit) {
boost::this_thread::sleep(boost::posix_time::millisec(50)); //! 20Hz
Update();
}
sources.clear(); // delete all sources
delete efx; // must happen after sources and before context
ALCcontext* curcontext = alcGetCurrentContext();
ALCdevice* curdevice = alcGetContextsDevice(curcontext);
alcMakeContextCurrent(NULL);
alcDestroyContext(curcontext);
alcCloseDevice(curdevice);
}