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OAL_Device.cpp
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OAL_Device.cpp
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/*
* Copyright 2007-2010 (C) - Frictional Games
*
* This file is part of OALWrapper
*
* For conditions of distribution and use, see copyright notice in LICENSE
*/
/**
@file OAL_Device.cpp
@author Luis Rodero
@date 2006-10-27
@version 0.1
Implementation of the cOAL_Device class
*/
#include "OALWrapper/OAL_Device.h"
#include "OALWrapper/OAL_Source.h"
#include "OALWrapper/OAL_OggSample.h"
#ifdef WITH_ALUT
#include "OALWrapper/OAL_WAVSample.h"
#endif
#include "OALWrapper/OAL_OggStream.h"
#include "OALWrapper/OAL_SourceManager.h"
#include "OALWrapper/OAL_Filter.h"
#include "OALWrapper/OAL_Effect_Reverb.h"
#include <cstring>
//-------------------------------------------------------------------------
//////////////////////////////////////////////
// Human readable extension names
string sExtensionNames[NUM_EXTENSIONS+1] =
{
string("ALC_EXT_CAPTURE" ),
string("ALC_EXT_EFX"),
string("ALC_ENUMERATION_EXT"),
string("ALC_ENUMERATE_ALL_EXT"),
string("AL_EXT_OFFSET"),
string("AL_EXT_LINEAR_DISTANCE"),
string("AL_EXT_EXPONENT_DISTANCE"),
string("EAX"),
string("EAX2.0"),
string("EAX3.0"),
string("EAX4.0"),
string("EAX5.0"),
string("EAX-RAM"),
string("No extension")
};
//-------------------------------------------------------------------------
cOAL_Device::cOAL_Device ( ) : mpDevice(NULL),
mpContext(NULL),
mpSourceManager(NULL),
mpEFXManager(NULL),
mlEFXSends(0)
{
}
cOAL_Device::~cOAL_Device ()
{
}
//-------------------------------------------------------------------------
///////////////////////////////////////////////////////////
// Inits the OpenAL device
///////////////////////////////////////////////////////////
//-------------------------------------------------------------------------
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;
}
//-------------------------------------------------------------------------
///////////////////////////////////////////////////////////
//
//
///////////////////////////////////////////////////////////
//-------------------------------------------------------------------------
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" );
}
//-------------------------------------------------------------------------
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;
}
//-------------------------------------------------------------------------
/////////////////////////////////////////////////////////////
/////////////////////////////////////////////////////////////
// Loaders
/////////////////////////////////////////////////////////////
/////////////////////////////////////////////////////////////
//-------------------------------------------------------------------------
cOAL_Sample* cOAL_Device::LoadSample(const string &asFilename)
{
return LoadSample(String2WString(asFilename));
}
//-------------------------------------------------------------------------
cOAL_Sample* cOAL_Device::LoadSample(const wstring& asFilename)
{
cOAL_Sample *pSample = NULL;
// Check file format and load the sample data according to it
wstring strExt = GetExtensionW(asFilename);
if(strExt.compare(L"ogg") == 0 ) // Load an Ogg Vorbis sample
pSample = new cOAL_OggSample;
#ifdef WITH_ALUT
else if(strExt.compare(L"wav")==0) // Load a .WAV sample
pSample = new cOAL_WAVSample;
#endif
else
return NULL;
if(pSample->CreateFromFile(asFilename) )
mlstSamples.push_back(pSample);
else
{
delete pSample;
pSample = NULL;
}
return pSample;
}
//-------------------------------------------------------------------------
cOAL_Stream* cOAL_Device::LoadStream(const string& asFilename)
{
return LoadStream(String2WString(asFilename));
}
//-------------------------------------------------------------------------
cOAL_Stream* cOAL_Device::LoadStream(const wstring &asFilename)
{
cOAL_Stream *pStream = NULL;
wstring strExt = GetExtensionW(asFilename);
if(strExt.compare(L"ogg")==0)
{
pStream = new cOAL_OggStream;
}
else
{
return NULL;
}
/////////////////////////////////
//Create from file
if(pStream->CreateFromFile(asFilename))
{
mlstStreams.push_back(pStream);
//hpl::Log("Loaded stream %s\n", pStream->msName.c_str());
}
else
{
delete pStream;
pStream = NULL;
}
return pStream;
}
//-------------------------------------------------------------------------
void cOAL_Device::UnloadSample(cOAL_Sample* apSample)
{
if(apSample == NULL)
return;
mlstSamples.remove(apSample);
delete apSample;
}
//-------------------------------------------------------------------------
void cOAL_Device::UnloadStream(cOAL_Stream* apStream)
{
if(apStream == NULL)
return;
mlstStreams.remove(apStream);
delete apStream;
}
//-------------------------------------------------------------------------
/////////////////////////////////////////////////////////////
/////////////////////////////////////////////////////////////
// Listener Management
/////////////////////////////////////////////////////////////
/////////////////////////////////////////////////////////////
//-------------------------------------------------------------------------
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 ));
}
//-------------------------------------------------------------------------
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::SetListenerVelocity (const float* apVel )
{
DEF_FUNC_NAME ("cOAL_Device::SetListenerVelocity()");
FUNC_USES_AL;
RUN_AL_FUNC(alListenerfv (AL_VELOCITY,apVel));
}
//-------------------------------------------------------------------------
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 ));
}
//-------------------------------------------------------------------------
/////////////////////////////////////////////////////////////
/////////////////////////////////////////////////////////////
// Playback Management
/////////////////////////////////////////////////////////////
/////////////////////////////////////////////////////////////
//-------------------------------------------------------------------------
int cOAL_Device::PlaySample( int alSource, cOAL_Sample *apSample, int alPriority, float afVolume, bool abStartPaused )
{
if (apSample == NULL)
return -1;
cOAL_Source *pSource = NULL;
if (alSource == OAL_FREE)
pSource = mpSourceManager->GetAvailableSource( alPriority, apSample->GetChannels() );
else
pSource = mpSourceManager->GetSource(alSource,true);
if (pSource == NULL)
return -1;
int lSourceHandle;
pSource->Lock();
{
lSourceHandle = pSource->BindData(apSample);
pSource->SetPriority(alPriority);
pSource->SetGain(afVolume);
pSource->Pause(abStartPaused);
pSource->Play();
}
pSource->Unlock();
return lSourceHandle;
}
//-------------------------------------------------------------------------
int cOAL_Device::PlayStream( int alSource, cOAL_Stream *apStream, float afVolume, bool abStartPaused )
{
if (apStream == NULL)
return -1;
cOAL_Source *pSource = NULL;
if (alSource == OAL_FREE)
pSource = mpSourceManager->GetAvailableSource( 256, apStream->GetChannels() );
else
pSource = mpSourceManager->GetSource(alSource,true);
if (pSource == NULL)
return -1;
int lSourceHandle;
pSource->Lock();
{
lSourceHandle = pSource->BindData(apStream);
pSource->SetGain(afVolume);
pSource->Pause(abStartPaused);
pSource->Play();
}
pSource->Unlock();
if (lSourceHandle != -1) mpSourceManager->AddActiveStream(pSource);
return lSourceHandle;
}
//-------------------------------------------------------------------------
cOAL_Source* cOAL_Device::GetSource( int alSourceHandle )
{
if (mpSourceManager)
return mpSourceManager->GetSource(alSourceHandle);
return NULL;
}
//-------------------------------------------------------------------------
string& cOAL_Device::GetExtensionName(int alWhich)
{
if( (alWhich >= 0) && (alWhich < NUM_EXTENSIONS))
return sExtensionNames[alWhich];
else
return sExtensionNames[NUM_EXTENSIONS];
}
//-------------------------------------------------------------------------
string cOAL_Device::GetDefaultDeviceName()
{
DEF_FUNC_NAME(cOAL_Device::GetDefaultDeviceName);
FUNC_USES_ALC;
string sDev = alcGetString(NULL, ALC_DEFAULT_DEVICE_SPECIFIER);
return sDev;
}
//-------------------------------------------------------------------------
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;
}
//-------------------------------------------------------------------------
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_Device::Log( eOAL_LogVerbose aVerboseLevelReq, eOAL_LogMsg aMessageType, const char* asMessage, ...)
{
if(asMessage == NULL)
return;
if(!mbLogEnabled)
return;
if(aVerboseLevelReq > mLogVerboseLevel)
return;
string sMessage;
char text[2048];
va_list ap;
va_start(ap, asMessage);
vsprintf(text, asMessage, ap);
va_end(ap);
switch(aMessageType)
{
case eOAL_LogMsg_Command:
sMessage.append("[COMMAND] ");
break;
case eOAL_LogMsg_Info:
sMessage.append("[INFO] ");
break;
case eOAL_LogMsg_Error:
sMessage.append("[ERROR] ");
default:
break;
}
sMessage.append("Device - ").append(text);
Write(sMessage);
}
*/
//-------------------------------------------------------------------------