void cOAL_Device::SetListenerVelocity (const float* apVel )
{
DEF_FUNC_NAME ("cOAL_Device::SetListenerVelocity()");
FUNC_USES_AL;
RUN_AL_FUNC(alListenerfv (AL_VELOCITY,apVel));
}
void cOAL_EffectSlot::SetAutoAdjust( bool abAuto )
{
DEF_FUNC_NAME("");
FUNC_USES_AL;
RUN_AL_FUNC( alAuxiliaryEffectSloti (mlObjectId, AL_EFFECTSLOT_AUXILIARY_SEND_AUTO, (ALboolean) abAuto));
}
void cOAL_Device::SetListenerPosition (const float* apPos )
{
DEF_FUNC_NAME ("cOAL_Device::SetListenerPosition()");
FUNC_USES_AL;
RUN_AL_FUNC(alListenerfv ( AL_POSITION, apPos ));
}
void cOAL_Device::SetDistanceModel(eOAL_DistanceModel aModel)
{
DEF_FUNC_NAME("OAL_SetDistanceModel");
FUNC_USES_AL;
ALenum distModel;
switch(aModel)
{
case eOAL_DistanceModel_Inverse:
distModel = AL_INVERSE_DISTANCE;
break;
case eOAL_DistanceModel_Inverse_Clamped:
distModel = AL_INVERSE_DISTANCE_CLAMPED;
break;
case eOAL_DistanceModel_Linear:
distModel = AL_LINEAR_DISTANCE;
break;
case eOAL_DistanceModel_Linear_Clamped:
distModel = AL_LINEAR_DISTANCE_CLAMPED;
break;
case eOAL_DistanceModel_Exponent:
distModel = AL_EXPONENT_DISTANCE;
break;
case eOAL_DistanceModel_Exponent_Clamped:
distModel = AL_EXPONENT_DISTANCE_CLAMPED;
break;
case eOAL_DistanceModel_None:
distModel = AL_NONE;
default:
break;
}
RUN_AL_FUNC(alDistanceModel(distModel));
}
void cOAL_OggStream::Destroy()
{
DEF_FUNC_NAME("cOAL_OggStream::Unload()");
// If we loaded a stream, clear the handle to the Ogg Vorbis file
if(mbIsValidHandle)
ov_clear(&movStreamHandle);
}
bool cOAL_EffectSlot::IsValidObject()
{
DEF_FUNC_NAME("cOAL_EffectSlot::IsValidObject()");
FUNC_USES_AL;
return (alIsAuxiliaryEffectSlot(mlObjectId) == AL_TRUE);
}
bool cOAL_EffectSlot::DestroyLowLevelID()
{
DEF_FUNC_NAME("cOAL_EffectSlot::DestroyLowLevelID()");
FUNC_USES_AL;
RUN_AL_FUNC(alDeleteAuxiliaryEffectSlots(1,&mlObjectId));
return (!AL_ERROR_OCCURED && !IsValidObject());
}
bool cOAL_EffectSlot::CreateLowLevelID()
{
DEF_FUNC_NAME("cOAL_EffectSlot::CreateLowLevelID()");
FUNC_USES_AL;
RUN_AL_FUNC(alGenAuxiliaryEffectSlots(1,&mlObjectId));
return (!AL_ERROR_OCCURED && IsValidObject());
}
string cOAL_Device::GetDefaultDeviceName()
{
DEF_FUNC_NAME(cOAL_Device::GetDefaultDeviceName);
FUNC_USES_ALC;
string sDev = alcGetString(NULL, ALC_DEFAULT_DEVICE_SPECIFIER);
return sDev;
}
void cOAL_Device::SetListenerOrientation(const float* apForward, const float* apUp)
{
DEF_FUNC_NAME ("cOAL_Device::SetListenerOrientation()");
FUNC_USES_AL;
float fOrientation[6] = { apForward[0], apForward[1], apForward[2], apUp[0], apUp[1], apUp[2] };
RUN_AL_FUNC(alListenerfv ( AL_ORIENTATION, fOrientation ));
}
bool cOAL_EffectSlot::AttachEffect ( cOAL_Effect *apEffect )
{
DEF_FUNC_NAME("cOAL_EffectSlot::AttachEffect()");
FUNC_USES_AL;
mpEffect = apEffect;
RUN_AL_FUNC ( alAuxiliaryEffectSloti (mlObjectId, AL_EFFECTSLOT_EFFECT, ((mpEffect == NULL)? AL_EFFECT_NULL : mpEffect->GetEffectID()) ) );
return !AL_ERROR_OCCURED;
}
void cOAL_EffectSlot::SetGain ( float afGain )
{
DEF_FUNC_NAME("");
FUNC_USES_AL;
if (afGain <0)
afGain = 0;
if (afGain >1)
afGain = 1;
RUN_AL_FUNC( alAuxiliaryEffectSlotf (mlObjectId, AL_EFFECTSLOT_GAIN, afGain));
}
void cOAL_Device::SetListenerGain ( float afGain )
{
DEF_FUNC_NAME ("cOAL_Device::SetListenerGain()");
FUNC_USES_AL;
if ( afGain < 0 )
afGain = 0;
if ( afGain > 1 )
afGain = 1;
RUN_AL_FUNC(alListenerf ( AL_GAIN, afGain ));
}
bool cOAL_Device::RegainContext()
{
DEF_FUNC_NAME("cOAL_Device::RegainContext");
FUNC_USES_ALC;
if (mpContext == NULL)
return false;
bool bSuccess = RUN_ALC_FUNC((alcMakeContextCurrent(mpContext) == AL_TRUE));
if (bSuccess)
{
RUN_ALC_FUNC(alcProcessContext(mpContext));
}
return bSuccess;
}
bool cOAL_OggStream::Stream(cOAL_Buffer* apDestBuffer)
{
DEF_FUNC_NAME("cOAL_OggStream::Stream()");
FUNC_USES_AL;
long lDataSize = 0;
//hpl::Log("Streaming...\n");
double fStartTime = GetTime();
// Loop which loads chunks of decoded data into a buffer
while(lDataSize < (int)mlBufferSize)
{
long lChunkSize = ov_read(&movStreamHandle,
mpPCMBuffer+lDataSize,
mlBufferSize-lDataSize,
SYS_ENDIANNESS,
2, 1, &mlCurrent_section);
// If we get a 0, then we are at the end of the file
if(lChunkSize == 0)
{
break;
}
// If we get a negative value, then something went wrong. Clean up and set error status.
else if(lChunkSize == OV_HOLE)
;
else if(lChunkSize==OV_EINVAL ||
lChunkSize==OV_EBADLINK ||
lChunkSize<0)
mbStatus = false;
else
lDataSize += lChunkSize;
}
// Bind the data to the Buffer Object
if(lDataSize)
apDestBuffer->Feed(mpPCMBuffer, lDataSize, fStartTime);
else
mbEOF = true;
if(AL_ERROR_OCCURED)
{
//hpl::Log("%s\n", OAL_GetALErrorString().c_str());
mbStatus = false;
}
return (lDataSize != 0);
}
void cOAL_Device::Close ()
{
DEF_FUNC_NAME("cOAL_Device::Close()");
FUNC_USES_ALC;
LogMsg("",eOAL_LogVerbose_Low, eOAL_LogMsg_Command, "Closing device...\n" );
LogMsg("",eOAL_LogVerbose_Low, eOAL_LogMsg_Info, "Cleaning up Samples...\n" );
//Delete samples
{
for(tSampleListIt it = mlstSamples.begin(); it!=mlstSamples.end(); ++it )
delete (*it);
mlstSamples.clear();
}
LogMsg("",eOAL_LogVerbose_Low, eOAL_LogMsg_Info, "Cleaning up Streams...\n" );
{
for (tStreamListIt it=mlstStreams.begin();it!=mlstStreams.end(); ++it )
delete (*it);
mlstStreams.clear();
}
if(mpSourceManager)
{
LogMsg("",eOAL_LogVerbose_Low, eOAL_LogMsg_Info, "Cleaning up Source Manager...\n" );
mpSourceManager->Destroy();
delete mpSourceManager;
mpSourceManager = NULL;
}
if (mpEFXManager)
{
LogMsg("",eOAL_LogVerbose_Low, eOAL_LogMsg_Info, "Cleaning up EFX Manager...\n" );
mpEFXManager->Destroy();
delete mpEFXManager;
mpEFXManager = NULL;
}
LogMsg("",eOAL_LogVerbose_Low, eOAL_LogMsg_Info, "Cleaning up Context and closing Low Level Device...\n" );
//Delete device and context.
RUN_ALC_FUNC(alcMakeContextCurrent ( NULL ));
RUN_ALC_FUNC(alcDestroyContext ( mpContext ));
RUN_ALC_FUNC(alcCloseDevice ( mpDevice ));
if (!ALC_ERROR_OCCURED)
LogMsg("",eOAL_LogVerbose_Low, eOAL_LogMsg_Info, "Done\n" );
}
void cOAL_EffectSlot::Update()
{
DEF_FUNC_NAME("");
FUNC_USES_AL;
if (mpEffect)
{
mpEffect->Lock();
if (mpEffect->NeedsUpdate())
{
RUN_AL_FUNC( alAuxiliaryEffectSloti(mlObjectId, AL_EFFECTSLOT_EFFECT, mpEffect->GetEffectID()) );
//LogMsg("",eOAL_LogVerbose_Medium, eOAL_LogMsg_Info, "Slot updated\n");
mpEffect->SetUpdated();
}
mpEffect->Unlock();
}
}
bool cOAL_OggStream::CreateFromFile(const wstring &asFilename)
{
DEF_FUNC_NAME("cOAL_OggStream::Load()");
if(mbStatus==false)
return false;
int lOpenResult;
FILE *pStreamFile = OpenFileW(asFilename, L"rb");
if (pStreamFile == NULL)
return false;
msFilename = asFilename;
// If not an Ogg file, set status and exit
lOpenResult = ov_open_callbacks(pStreamFile, &movStreamHandle,
NULL, 0, OV_CALLBACKS_DEFAULT);
if(lOpenResult<0)
{
fclose(pStreamFile);
mbIsValidHandle = false;
mbStatus = false;
return false;
}
mbIsValidHandle = true;
// Get file info
vorbis_info *viFileInfo = ov_info ( &movStreamHandle, -1 );
mlChannels = viFileInfo->channels;
mlFrequency = viFileInfo->rate;
mlSamples = (long) ov_pcm_total ( &movStreamHandle, -1 );
mFormat = (mlChannels == 2) ? AL_FORMAT_STEREO16 : AL_FORMAT_MONO16;
mfTotalTime = ov_time_total( &movStreamHandle, -1 );
return true;
}
//-------------------------------------------------------------------------
vector<string> cOAL_Device::GetOutputDevices()
{
DEF_FUNC_NAME(cOAL_Device::GetOutputDevices);
FUNC_USES_ALC;
vector<string> devices;
bool bEnumerate = RUN_ALC_FUNC(alcIsExtensionPresent(NULL, (const ALCchar*)"ALC_ENUMERATION_EXT") == AL_TRUE);
bool bEnumerate_all = RUN_ALC_FUNC(alcIsExtensionPresent(NULL, (const ALCchar*)"ALC_ENUMERATE_ALL_EXT") == AL_TRUE);
if (bEnumerate) {
const char *s;
if (bEnumerate_all) {
// walk devices
s = alcGetString(NULL, ALC_ALL_DEVICES_SPECIFIER);
} else {
s = alcGetString(NULL, ALC_DEVICE_SPECIFIER);
}
while (*s != '\0') {
devices.push_back(string(s));
// find next string
while (*s++ != '\0')
;
}
}
return devices;
}
bool cOAL_Device::Init( cOAL_Init_Params& acParams )
{
DEF_FUNC_NAME(cOAL_Device::Init);
FUNC_USES_ALC;
FUNC_USES_AL;
LogMsg("",eOAL_LogVerbose_Low, eOAL_LogMsg_Command, "Initializing device: %s...\n", (acParams.msDeviceName == "")? "\"preferred\"":acParams.msDeviceName.c_str() );
LogMsg("",eOAL_LogVerbose_High, eOAL_LogMsg_Info, "Configuring streaming options:\n");
cOAL_Stream::SetBufferSize(acParams.mlStreamingBufferSize);
LogMsg("",eOAL_LogVerbose_High, eOAL_LogMsg_Info, "\tSetting buffer size to %d bytes\n",cOAL_Stream::GetBufferSize());
cOAL_Stream::SetBufferCount(acParams.mlStreamingBufferCount);
LogMsg("",eOAL_LogVerbose_High, eOAL_LogMsg_Info, "\tSetting queue length to %d buffers\n",cOAL_Stream::GetBufferCount());
LogMsg("",eOAL_LogVerbose_Low, eOAL_LogMsg_Info, "Attempting to open device...\n" );
// Open the device, if fails return false
if(acParams.msDeviceName.empty())
mpDevice = alcOpenDevice(NULL);
else
mpDevice = alcOpenDevice( acParams.msDeviceName.c_str() );
if(mpDevice == NULL)
{
LogMsg("",eOAL_LogVerbose_Low, eOAL_LogMsg_Error, "Error opening device\n" );
return false;
}
LogMsg("",eOAL_LogVerbose_Low, eOAL_LogMsg_Info, "Success.\n" );
// Get ALC extensions ( ie EFX )
LogMsg("",eOAL_LogVerbose_Low, eOAL_LogMsg_Info, "Checking present ALC extensions\n" );
for (int i = 0; i < NUM_ALC_EXTENSIONS; ++i)
{
mvbExtensions[i] = RUN_ALC_FUNC((alcIsExtensionPresent(mpDevice,sExtensionNames[i].c_str()) == ALC_TRUE));
if (mvbExtensions[i])
{
LogMsg("",eOAL_LogVerbose_High, eOAL_LogMsg_Info, "\t%s\n",sExtensionNames[i].c_str() );
}
}
ALCint lAttrList[] =
{
ALC_FREQUENCY, acParams.mlOutputFreq,
#ifdef __APPLE__
#else
ALC_MONO_SOURCES, acParams.mbVoiceManagement ? 256 : acParams.mlMinMonoSourcesHint,
ALC_STEREO_SOURCES, acParams.mbVoiceManagement ? 0 : acParams.mlMinStereoSourcesHint,
#endif
ALC_MAX_AUXILIARY_SENDS, acParams.mlNumSendsHint,
0,
};
LogMsg("",eOAL_LogVerbose_Low, eOAL_LogMsg_Info, "Creating context\n");
// Create and set a context
mpContext = RUN_ALC_FUNC(alcCreateContext ( mpDevice, lAttrList ));
RUN_ALC_FUNC(alcMakeContextCurrent ( mpContext ));
if (ALC_ERROR_OCCURED)
{
LogMsg("",eOAL_LogVerbose_Low, eOAL_LogMsg_Error, "Error creating context\n");
return false;
}
/////////////////////////////////////////////////
//Retrieve device info, such as extensions
LogMsg("",eOAL_LogVerbose_Low, eOAL_LogMsg_Info, "Checking present AL extensions\n" );
for (int i = NUM_ALC_EXTENSIONS; i < NUM_EXTENSIONS; ++i)
{
mvbExtensions[i] = RUN_AL_FUNC((alIsExtensionPresent(sExtensionNames[i].c_str()) == AL_TRUE));
if (mvbExtensions[i])
LogMsg("",eOAL_LogVerbose_High, eOAL_LogMsg_Info, "\t%s\n",sExtensionNames[i].c_str() );
}
LogMsg("",eOAL_LogVerbose_Low, eOAL_LogMsg_Info, "Retrieving Output Devices\n");
vector<string> llDevices = GetOutputDevices();
vector<string>::iterator it;
for (it = llDevices.begin(); it != llDevices.end(); ++it) {
LogMsg("",eOAL_LogVerbose_Low, eOAL_LogMsg_Info, "\t%s\n", (*it).c_str());
}
LogMsg("",eOAL_LogVerbose_Low, eOAL_LogMsg_Info, "Retrieving info\n" );
// Get device name
msDeviceName = RUN_ALC_FUNC(alcGetString(mpDevice, ALC_DEVICE_SPECIFIER));
// Get vendor name (just fancy stuff,not very useful)
msVendorName = RUN_ALC_FUNC(alGetString( AL_VENDOR ));
//Get renderer info
msRenderer = RUN_ALC_FUNC(alGetString ( AL_RENDERER ));
// Get the OpenAL impl. version
RUN_ALC_FUNC(alcGetIntegerv ( mpDevice, ALC_MAJOR_VERSION, sizeof(ALCint), &mlMajorVersion ));
RUN_ALC_FUNC(alcGetIntegerv ( mpDevice, ALC_MINOR_VERSION, sizeof(ALCint), &mlMinorVersion ));
RUN_ALC_FUNC(alcGetIntegerv ( mpDevice, ALC_MAX_AUXILIARY_SENDS, sizeof(ALCint), &mlEFXSends));
LogMsg("",eOAL_LogVerbose_High, eOAL_LogMsg_Info, "Device name: %s\n", msDeviceName.c_str() );
LogMsg("",eOAL_LogVerbose_High, eOAL_LogMsg_Info, "OpenAL version: %d.%d\n", mlMajorVersion, mlMinorVersion );
// Check device version
if ( (mlMajorVersion < acParams.mlMajorVersionReq) ||
((mlMajorVersion == acParams.mlMajorVersionReq) && (mlMinorVersion < acParams.mlMinorVersionReq)) )
{
LogMsg("",eOAL_LogVerbose_None, eOAL_LogMsg_Error, "Version required: %d.%d\n",acParams.mlMajorVersionReq,acParams.mlMinorVersionReq);
return false;
}
// If alSourceNumHint == -1, create as many sources as possible
if (acParams.mlNumSourcesHint == -1)
acParams.mlNumSourcesHint = 4096;
/////////////////////////////////////////////////
//Start EFX if requested
if (acParams.mbUseEFX && IsExtensionAvailable (OAL_ALC_EXT_EFX))
{
LogMsg("",eOAL_LogVerbose_Low, eOAL_LogMsg_Info, "Starting EFX on request\n" );
mpEFXManager = new cOAL_EFXManager;
mbEFXActive = mpEFXManager->Initialize( acParams.mlNumSlotsHint, mlEFXSends, acParams.mbUseThread, acParams.mlSlotUpdateFreq );
if (!mbEFXActive)
{
mpEFXManager->Destroy();
delete mpEFXManager;
}
}
LogMsg("",eOAL_LogVerbose_Low, eOAL_LogMsg_Info, "Creating Source Manager\n" );
//Create The source manager
mpSourceManager = new cOAL_SourceManager;
if ( mpSourceManager->Initialize( acParams.mbVoiceManagement, acParams.mlNumSourcesHint, acParams.mbUseThread, acParams.mlUpdateFreq, mlEFXSends ) == false)
{
LogMsg("",eOAL_LogVerbose_None, eOAL_LogMsg_Error, "Error creating Source Manager\n");
return false;
}
return true;
}
bool cOAL_OggSample::CreateFromFile(const wstring &asFilename)
{
DEF_FUNC_NAME("cOAL_OggSample::Load()");
FUNC_USES_AL;
if(mbStatus==false)
return false;
Reset();
char *pPCMBuffer;
bool bEOF = false;
int lOpenResult;
int lCurrent_section;
long lDataSize = 0;
msFilename = asFilename;
FILE *fileHandle = OpenFileW(asFilename, L"rb");
// If no file is present, set the error status and return
if(!fileHandle)
{
mbStatus = false;
return false;
}
// If not an Ogg file, set status and exit
OggVorbis_File ovFileHandle;
if((lOpenResult = ov_open_callbacks(fileHandle, &ovFileHandle, NULL, 0, gCallbacks))<0)
{
fclose ( fileHandle );
mbStatus = false;
return false;
}
// Get file info
vorbis_info *viFileInfo = ov_info ( &ovFileHandle, -1 );
mlChannels = viFileInfo->channels;
mFormat = (mlChannels == 2)?AL_FORMAT_STEREO16:AL_FORMAT_MONO16;
mlFrequency = viFileInfo->rate;
mlSamples = (long) ov_pcm_total ( &ovFileHandle, -1 );
mfTotalTime = ov_time_total( &ovFileHandle, -1 );
// Reserve memory for 'mlChannels' channels of 'mlSamples' * 2 bytes of data each
int lSizeInBytes = mlSamples * mlChannels * GetBytesPerSample();
pPCMBuffer = (char *) malloc (lSizeInBytes);
memset (pPCMBuffer, 0, lSizeInBytes);
// Loop which loads chunks of decoded data into a buffer
while(!bEOF)
{
long lChunkSize = ov_read ( &ovFileHandle ,
pPCMBuffer + lDataSize ,
STREAMING_BLOCK_SIZE ,
SYS_ENDIANNESS ,
2, 1, &lCurrent_section );
if(lChunkSize == 0)
bEOF = true;
// If we get a negative value, then something went wrong. Clean up and set error status.
else if(lChunkSize < 0)
{
free(pPCMBuffer);
ov_clear(&ovFileHandle);
// ov_clear closes the file handle for us
mbStatus = false;
return false;
}
else
lDataSize += lChunkSize;
}
cOAL_Buffer* pBuffer = mvBuffers[0];
if(lDataSize)
{
// If something went wrong, set error status. Clean up afterwards.
mbStatus = pBuffer->Feed((ALvoid*)pPCMBuffer, lDataSize);
}
free(pPCMBuffer);
ov_clear(&ovFileHandle);
// ov_clear closes the file handle for us
return true;
}
