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CWE-ou-minkata/Sources/Plasma/PubUtilLib/plAudio/plEAXEffects.cpp

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/*==LICENSE==*
CyanWorlds.com Engine - MMOG client, server and tools
Copyright (C) 2011 Cyan Worlds, Inc.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
You can contact Cyan Worlds, Inc. by email legal@cyan.com
or by snail mail at:
Cyan Worlds, Inc.
14617 N Newport Hwy
Mead, WA 99021
*==LICENSE==*/
//////////////////////////////////////////////////////////////////////////////
// //
// plEAXEffects - Various classes and wrappers to support EAX //
// acceleration. //
// //
//////////////////////////////////////////////////////////////////////////////
#include "hsTypes.h"
#include "hsThread.h"
#ifndef EAX_SDK_AVAILABLE
#include <EFX-Util.h>
#endif
#include "plEAXEffects.h"
#include "plAudioCore/plAudioCore.h"
#include "plDSoundBuffer.h"
#include "hsTemplates.h"
#include "plEAXListenerMod.h"
#include "hsStream.h"
#include "plAudioSystem.h"
#include <al.h>
#ifdef DX_OLD_SDK
#include <dxerr9.h>
#else
#include <dxerr.h>
#endif
#ifdef EAX_SDK_AVAILABLE
#include <eax.h>
#include <eax-util.h>
#include <eaxlegacy.h>
#endif
#include "plStatusLog/plStatusLog.h"
#define kDebugLog if( myLog != nil ) myLog->AddLineF(
#ifdef EAX_SDK_AVAILABLE
static EAXGet s_EAXGet;
static EAXSet s_EAXSet;
#endif
//// GetInstance /////////////////////////////////////////////////////////////
plEAXListener &plEAXListener::GetInstance( void )
{
static plEAXListener instance;
return instance;
}
//// Constructor/Destructor //////////////////////////////////////////////////
plEAXListener::plEAXListener()
{
fInited = false;
ClearProcessCache();
}
plEAXListener::~plEAXListener()
{
Shutdown();
}
//// Init ////////////////////////////////////////////////////////////////////
hsBool plEAXListener::Init( void )
{
#ifdef EAX_SDK_AVAILABLE
if( fInited )
return true;
if(!alIsExtensionPresent((ALchar *)"EAX4.0")) // is eax 4 supported
{
if(!alIsExtensionPresent((ALchar *) "EAX4.0Emulated")) // is an earlier version of eax supported
{
plStatusLog::AddLineS("audio.log", "EAX not supported");
return false;
}
else
{
plStatusLog::AddLineS("audio.log", "EAX 4 Emulated supported");
}
}
else
{
plStatusLog::AddLineS("audio.log", "EAX 4 available");
}
// EAX is supported
s_EAXGet = (EAXGet)alGetProcAddress((ALchar *)"EAXGet");
s_EAXSet = (EAXSet)alGetProcAddress((ALchar *)"EAXSet");
if(!s_EAXGet || ! s_EAXSet)
{
IFail( "EAX initialization failed", true );
return false;
}
fInited = true;
#if 1
try
{
// Make an EAX call here to prevent problems on WDM driver
unsigned int lRoom = -10000;
SetGlobalEAXProperty(DSPROPSETID_EAX_ListenerProperties, DSPROPERTY_EAXLISTENER_ROOM, &lRoom, sizeof( unsigned int ));
}
catch ( ... )
{
plStatusLog::AddLineS("audio.log", "Unable to set EAX Property Set, disabling EAX...");
plgAudioSys::EnableEAX(false);
return false;
}
#endif
ClearProcessCache();
return true;
#else /* !EAX_SDK_AVAILABLE */
plStatusLog::AddLineS("audio.log", "EAX disabled in this build");
return false;
#endif
}
//// Shutdown ////////////////////////////////////////////////////////////////
void plEAXListener::Shutdown( void )
{
if( !fInited )
return;
#ifdef EAX_SDK_AVAILABLE
s_EAXSet = nil;
s_EAXGet = nil;
#endif
IRelease();
}
bool plEAXListener::SetGlobalEAXProperty(GUID guid, unsigned long ulProperty, void *pData, unsigned long ulDataSize )
{
if(fInited)
{
#ifdef EAX_SDK_AVAILABLE
return s_EAXSet(&guid, ulProperty, 0, pData, ulDataSize) == AL_NO_ERROR;
#endif
}
return false;
}
bool plEAXListener::GetGlobalEAXProperty(GUID guid, unsigned long ulProperty, void *pData, unsigned long ulDataSize)
{
if(fInited)
{
#ifdef EAX_SDK_AVAILABLE
return s_EAXGet(&guid, ulProperty, 0, pData, ulDataSize) == AL_NO_ERROR;
#endif
}
return false;
}
bool plEAXSource::SetSourceEAXProperty(unsigned source, GUID guid, unsigned long ulProperty, void *pData, unsigned long ulDataSize)
{
#ifdef EAX_SDK_AVAILABLE
return s_EAXSet(&guid, ulProperty, source, pData, ulDataSize) == AL_NO_ERROR;
#else
return false;
#endif
}
bool plEAXSource::GetSourceEAXProperty(unsigned source, GUID guid, unsigned long ulProperty, void *pData, unsigned long ulDataSize)
{
#ifdef EAX_SDK_AVAILABLE
return s_EAXGet(&guid, ulProperty, source, pData, ulDataSize) == AL_NO_ERROR;
#else
return false;
#endif
}
//// IRelease ////////////////////////////////////////////////////////////////
void plEAXListener::IRelease( void )
{
fInited = false;
}
//// IFail ///////////////////////////////////////////////////////////////////
void plEAXListener::IFail( hsBool major )
{
plStatusLog::AddLineS( "audio.log", plStatusLog::kRed,
"ERROR in plEAXListener: Could not set global eax params");
if( major )
IRelease();
}
void plEAXListener::IFail( const char *msg, hsBool major )
{
plStatusLog::AddLineS( "audio.log", plStatusLog::kRed,
"ERROR in plEAXListener: %s", msg );
if( major )
IRelease();
}
//// IMuteProperties /////////////////////////////////////////////////////////
// Mutes the given properties, so if you have some props that you want
// half strength, this function will do it for ya.
void plEAXListener::IMuteProperties( EAXREVERBPROPERTIES *props, hsScalar percent )
{
// We only mute the room, roomHF and roomLF, since those control the overall effect
// application. All three are a direct linear blend as defined by eax-util.cpp, so
// this should be rather easy
hsScalar invPercent = 1.f - percent;
// The old way, as dictated by EAX sample code...
#ifdef EAX_SDK_AVAILABLE
props->lRoom = (int)( ( (float)EAXLISTENER_MINROOM * invPercent ) + ( (float)props->lRoom * percent ) );
#endif
// The new way, as suggested by EAX guys...
// props->lRoom = (int)( 2000.f * log( invPercent ) ) + props->lRoom;
// props->lRoomLF = (int)( ( (float)EAXLISTENER_MINROOMLF * invPercent ) + ( (float)props->lRoomLF * percent ) );
// props->lRoomHF = (int)( ( (float)EAXLISTENER_MINROOMHF * invPercent ) + ( (float)props->lRoomHF * percent ) );
}
//// ClearProcessCache ///////////////////////////////////////////////////////
// Clears the cache settings used to speed up ProcessMods(). Call whenever
// the list of mods changed.
void plEAXListener::ClearProcessCache( void )
{
fLastBigRegion = nil;
fLastModCount = -1;
fLastWasEmpty = false;
fLastSingleStrength = -1.f;
}
//// ProcessMods /////////////////////////////////////////////////////////////
// 9.13.02 mcn - Updated the caching method. Now fLastBigRegion will point
// to a region iff it's the only region from the last pass that had a
// strength > 0. The reason we can't do our trick before is because even if
// we have a region w/ strength 1, another region might power up from 1 and
// thus suddenly alter the total reverb settings. Thus, the only time we
// can wisely skip is if our current big region == fLastBigRegion *and*
// the total strength is the same.
void plEAXListener::ProcessMods( hsTArray<plEAXListenerMod *> &modArray )
{
#ifdef EAX_SDK_AVAILABLE
int i;
float totalStrength;
hsBool firstOne;
plEAXListenerMod *thisBigRegion = nil;
EAXLISTENERPROPERTIES finalProps;
static int oldTime = timeGetTime(); // Get starting time
int newTime;
hsBool bMorphing = false;
static plStatusLog *myLog = nil;
if( myLog == nil && plgAudioSys::AreExtendedLogsEnabled() )
myLog = plStatusLogMgr::GetInstance().CreateStatusLog( 30, "EAX Reverbs", plStatusLog::kFilledBackground | plStatusLog::kDeleteForMe | plStatusLog::kDontWriteFile );
else if( myLog != nil && !plgAudioSys::AreExtendedLogsEnabled() )
{
delete myLog;
myLog = nil;
}
if( myLog != nil )
myLog->Clear();
if( modArray.GetCount() != fLastModCount )
{
kDebugLog "Clearing cache..." );
ClearProcessCache(); // Code path changed, clear the entire cache
fLastModCount = modArray.GetCount();
}
else
{
kDebugLog "" );
}
if( modArray.GetCount() > 0 )
{
kDebugLog "%d regions to calc", modArray.GetCount() );
// Reset and find a new one if applicable
thisBigRegion = nil;
// Accumulate settings from all the active listener regions (shouldn't be too many, we hope)
totalStrength = 0.f;
firstOne = true;
for( i = 0; i < modArray.GetCount(); i++ )
{
float strength = modArray[ i ]->GetStrength();
kDebugLog "%4.2f - %s", strength, modArray[ i ]->GetKey()->GetUoid().GetObjectName() );
if( strength > 0.f )
{
// fLastBigRegion will point to a region iff it's the only region w/ strength > 0
if( totalStrength == 0.f )
thisBigRegion = modArray[ i ];
else
thisBigRegion = nil;
if( firstOne )
{
// First one, just init to it
memcpy( &finalProps, modArray[ i ]->GetListenerProps(), sizeof( finalProps ) );
totalStrength = strength;
firstOne = false;
}
else
{
hsScalar scale = strength / ( totalStrength + strength );
EAX3ListenerInterpolate( &finalProps, modArray[ i ]->GetListenerProps(), scale, &finalProps, false );
totalStrength += strength;
bMorphing = true;
}
if( totalStrength >= 1.f )
break;
}
}
if( firstOne )
{
// No regions of strength > 0, so just make it quiet
kDebugLog "Reverb should be quiet" );
if( fLastWasEmpty )
return;
memcpy( &finalProps, &EAX30_ORIGINAL_PRESETS[ ORIGINAL_GENERIC ], sizeof( EAXLISTENERPROPERTIES ) );
finalProps.lRoom = EAXLISTENER_MINROOM;
// finalProps.lRoomLF = EAXLISTENER_MINROOMLF;
// finalProps.lRoomHF = EAXLISTENER_MINROOMHF;
fLastWasEmpty = true;
fLastBigRegion = nil;
fLastSingleStrength = -1.f;
}
else
{
fLastWasEmpty = false;
if( thisBigRegion == fLastBigRegion && totalStrength == fLastSingleStrength )
// Cached values should be the same, so we can bail at this point
return;
fLastBigRegion = thisBigRegion;
fLastSingleStrength = ( thisBigRegion != nil ) ? totalStrength : -1.f;
if( totalStrength < 1.f )
{
kDebugLog "Total strength < 1; muting result" );
// All of them together is less than full strength, so mute our result
IMuteProperties( &finalProps, totalStrength );
}
}
}
else
{
kDebugLog "No regions at all; disabling reverb" );
// No regions whatsoever, so disable listener props entirely
if( fLastWasEmpty )
return;
memcpy( &finalProps, &EAX30_ORIGINAL_PRESETS[ ORIGINAL_GENERIC ], sizeof( EAXLISTENERPROPERTIES ) );
finalProps.lRoom = EAXLISTENER_MINROOM;
// finalProps.lRoomLF = EAXLISTENER_MINROOMLF;
// finalProps.lRoomHF = EAXLISTENER_MINROOMHF;
fLastWasEmpty = true;
}
// if were morphing between regions, do 10th of a second check, otherwise just let it
// change due to opt out(caching) feature.
if(bMorphing)
{
newTime = timeGetTime();
// Update, at most, ten times per second
if((newTime - oldTime) < 100) return;
oldTime = newTime; // update time
}
//finalProps.flAirAbsorptionHF *= 0.3048f; // Convert to feet
//kDebugLog "** Updating property set **" );
if(!SetGlobalEAXProperty(DSPROPSETID_EAX_ListenerProperties, DSPROPERTY_EAXLISTENER_ALLPARAMETERS, &finalProps, sizeof( finalProps )))
{
IFail( false );
}
#endif /* EAX_SDK_AVAILABLE */
}
//////////////////////////////////////////////////////////////////////////////
//// Source Settings /////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////
//// Constructor/Destructor //////////////////////////////////////////////////
plEAXSourceSettings::plEAXSourceSettings()
{
fDirtyParams = kAll;
Enable( false );
}
plEAXSourceSettings::~plEAXSourceSettings()
{
}
//// Read/Write/Set //////////////////////////////////////////////////////////
void plEAXSourceSettings::Read( hsStream *s )
{
fEnabled = s->ReadBool();
if( fEnabled )
{
fRoom = s->ReadSwap16();
fRoomHF = s->ReadSwap16();
fRoomAuto = s->ReadBool();
fRoomHFAuto = s->ReadBool();
fOutsideVolHF = s->ReadSwap16();
fAirAbsorptionFactor = s->ReadSwapFloat();
fRoomRolloffFactor = s->ReadSwapFloat();
fDopplerFactor = s->ReadSwapFloat();
fRolloffFactor = s->ReadSwapFloat();
fSoftStarts.Read( s );
fSoftEnds.Read( s );
fOcclusionSoftValue = -1.f;
SetOcclusionSoftValue( s->ReadSwapFloat() );
fDirtyParams = kAll;
}
else
Enable( false ); // Force init of params
}
void plEAXSourceSettings::Write( hsStream *s )
{
s->WriteBool( fEnabled );
if( fEnabled )
{
s->WriteSwap16( fRoom );
s->WriteSwap16( fRoomHF );
s->WriteBool( fRoomAuto );
s->WriteBool( fRoomHFAuto );
s->WriteSwap16( fOutsideVolHF );
s->WriteSwapFloat( fAirAbsorptionFactor );
s->WriteSwapFloat( fRoomRolloffFactor );
s->WriteSwapFloat( fDopplerFactor );
s->WriteSwapFloat( fRolloffFactor );
fSoftStarts.Write( s );
fSoftEnds.Write( s );
s->WriteSwapFloat( fOcclusionSoftValue );
}
}
void plEAXSourceSettings::SetRoomParams( Int16 room, Int16 roomHF, hsBool roomAuto, hsBool roomHFAuto )
{
fRoom = room;
fRoomHF = roomHF;
fRoomAuto = roomAuto;
fRoomHFAuto = roomHFAuto;
fDirtyParams |= kRoom;
}
void plEAXSourceSettings::Enable( hsBool e )
{
fEnabled = e;
if( !e )
{
#ifdef EAX_SDK_AVAILABLE
fRoom = EAXBUFFER_MINROOM;
fRoomHF = EAXBUFFER_MINROOMHF;
#else
fRoom = 0;
fRoomHF = 0;
#endif
fRoomAuto = true;
fRoomHFAuto = true;
fOutsideVolHF = 0;
fAirAbsorptionFactor = 1.f;
fRoomRolloffFactor = 0.f;
fDopplerFactor = 0.f;
fRolloffFactor = 0.f;
fOcclusionSoftValue = 0.f;
fSoftStarts.Reset();
fSoftEnds.Reset();
fCurrSoftValues.Reset();
fDirtyParams = kAll;
}
}
void plEAXSourceSettings::SetOutsideVolHF( Int16 vol )
{
fOutsideVolHF = vol;
fDirtyParams |= kOutsideVolHF;
}
void plEAXSourceSettings::SetFactors( hsScalar airAbsorption, hsScalar roomRolloff, hsScalar doppler, hsScalar rolloff )
{
fAirAbsorptionFactor = airAbsorption;
fRoomRolloffFactor = roomRolloff;
fDopplerFactor = doppler;
fRolloffFactor = rolloff;
fDirtyParams |= kFactors;
}
void plEAXSourceSettings::SetOcclusionSoftValue( hsScalar value )
{
if( fOcclusionSoftValue != value )
{
fOcclusionSoftValue = value;
IRecalcSofts( kOcclusion );
fDirtyParams |= kOcclusion;
}
}
void plEAXSourceSettings::IRecalcSofts( UInt8 whichOnes )
{
hsScalar percent, invPercent;
if( whichOnes & kOcclusion )
{
percent = fOcclusionSoftValue;
invPercent = 1.f - percent;
Int16 occ = (Int16)( ( (float)fSoftStarts.GetOcclusion() * invPercent ) + ( (float)fSoftEnds.GetOcclusion() * percent ) );
hsScalar lfRatio = (hsScalar)( ( fSoftStarts.GetOcclusionLFRatio() * invPercent ) + ( fSoftEnds.GetOcclusionLFRatio() * percent ) );
hsScalar roomRatio = (hsScalar)( ( fSoftStarts.GetOcclusionRoomRatio() * invPercent ) + ( fSoftEnds.GetOcclusionRoomRatio() * percent ) );
hsScalar directRatio = (hsScalar)( ( fSoftStarts.GetOcclusionDirectRatio() * invPercent ) + ( fSoftEnds.GetOcclusionDirectRatio() * percent ) );
fCurrSoftValues.SetOcclusion( occ, lfRatio, roomRatio, directRatio );
}
}
//////////////////////////////////////////////////////////////////////////////
//// Source Soft Settings ////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////
void plEAXSourceSoftSettings::Reset( void )
{
fOcclusion = 0;
fOcclusionLFRatio = 0.25f;
fOcclusionRoomRatio = 1.5f;
fOcclusionDirectRatio = 1.f;
}
void plEAXSourceSoftSettings::Read( hsStream *s )
{
s->ReadSwap( &fOcclusion );
s->ReadSwap( &fOcclusionLFRatio );
s->ReadSwap( &fOcclusionRoomRatio );
s->ReadSwap( &fOcclusionDirectRatio );
}
void plEAXSourceSoftSettings::Write( hsStream *s )
{
s->WriteSwap( fOcclusion );
s->WriteSwap( fOcclusionLFRatio );
s->WriteSwap( fOcclusionRoomRatio );
s->WriteSwap( fOcclusionDirectRatio );
}
void plEAXSourceSoftSettings::SetOcclusion( Int16 occ, hsScalar lfRatio, hsScalar roomRatio, hsScalar directRatio )
{
fOcclusion = occ;
fOcclusionLFRatio = lfRatio;
fOcclusionRoomRatio = roomRatio;
fOcclusionDirectRatio = directRatio;
}
//// Constructor/Destructor //////////////////////////////////////////////////
plEAXSource::plEAXSource()
{
fInit = false;
}
plEAXSource::~plEAXSource()
{
Release();
}
//// Init/Release ////////////////////////////////////////////////////////////
void plEAXSource::Init( plDSoundBuffer *parent )
{
fInit = true;
// Init some default params
plEAXSourceSettings defaultParams;
SetFrom( &defaultParams, parent->GetSource() );
}
void plEAXSource::Release( void )
{
fInit = false;
}
hsBool plEAXSource::IsValid( void ) const
{
return true;
}
//// SetFrom /////////////////////////////////////////////////////////////////
void plEAXSource::SetFrom( plEAXSourceSettings *settings, unsigned source, hsBool force )
{
UInt32 dirtyParams;
if(source == 0 || !fInit)
return;
if( force )
dirtyParams = plEAXSourceSettings::kAll;
else
dirtyParams = settings->fDirtyParams;
// Do the params
#ifdef EAX_SDK_AVAILABLE
if( dirtyParams & plEAXSourceSettings::kRoom )
{
SetSourceEAXProperty(source, DSPROPSETID_EAX_BufferProperties, DSPROPERTY_EAXBUFFER_ROOM, &settings->fRoom, sizeof(settings->fRoom));
SetSourceEAXProperty(source, DSPROPSETID_EAX_BufferProperties, DSPROPERTY_EAXBUFFER_ROOMHF, &settings->fRoomHF, sizeof(settings->fRoomHF));
}
if( dirtyParams & plEAXSourceSettings::kOutsideVolHF )
{
SetSourceEAXProperty(source, DSPROPSETID_EAX_BufferProperties, DSPROPERTY_EAXBUFFER_OUTSIDEVOLUMEHF, &settings->fOutsideVolHF, sizeof(settings->fOutsideVolHF));
}
if( dirtyParams & plEAXSourceSettings::kFactors )
{
SetSourceEAXProperty(source, DSPROPSETID_EAX_BufferProperties, DSPROPERTY_EAXBUFFER_DOPPLERFACTOR, &settings->fDopplerFactor, sizeof(settings->fDopplerFactor));
SetSourceEAXProperty(source, DSPROPSETID_EAX_BufferProperties, DSPROPERTY_EAXBUFFER_ROLLOFFFACTOR, &settings->fRolloffFactor, sizeof(settings->fRolloffFactor));
SetSourceEAXProperty(source, DSPROPSETID_EAX_BufferProperties, DSPROPERTY_EAXBUFFER_ROOMROLLOFFFACTOR, &settings->fRoomRolloffFactor, sizeof(settings->fRoomRolloffFactor));
SetSourceEAXProperty(source, DSPROPSETID_EAX_BufferProperties, DSPROPERTY_EAXBUFFER_AIRABSORPTIONFACTOR, &settings->fAirAbsorptionFactor, sizeof(settings->fAirAbsorptionFactor));
}
if( dirtyParams & plEAXSourceSettings::kOcclusion )
{
SetSourceEAXProperty(source, DSPROPSETID_EAX_BufferProperties, DSPROPERTY_EAXBUFFER_OCCLUSION, &settings->GetCurrSofts().fOcclusion, sizeof(settings->GetCurrSofts().fOcclusion));
SetSourceEAXProperty(source, DSPROPSETID_EAX_BufferProperties, DSPROPERTY_EAXBUFFER_OCCLUSIONLFRATIO, &settings->GetCurrSofts().fOcclusionLFRatio, sizeof(settings->GetCurrSofts().fOcclusionLFRatio));
SetSourceEAXProperty(source, DSPROPSETID_EAX_BufferProperties, DSPROPERTY_EAXBUFFER_OCCLUSIONROOMRATIO, &settings->GetCurrSofts().fOcclusionRoomRatio, sizeof(settings->GetCurrSofts().fOcclusionRoomRatio));
SetSourceEAXProperty(source, DSPROPSETID_EAX_BufferProperties, DSPROPERTY_EAXBUFFER_OCCLUSIONDIRECTRATIO, &settings->GetCurrSofts().fOcclusionDirectRatio, sizeof(settings->GetCurrSofts().fOcclusionDirectRatio));
}
#endif /* EAX_SDK_AVAILABLE */
settings->ClearDirtyParams();
// Do all the flags in one pass
#ifdef EAX_SDK_AVAILABLE
DWORD flags;
if( GetSourceEAXProperty( source, DSPROPSETID_EAX_BufferProperties, DSPROPERTY_EAXBUFFER_FLAGS, &flags, sizeof( DWORD )) )
{
if( settings->GetRoomAuto() )
flags |= EAXBUFFERFLAGS_ROOMAUTO;
else
flags &= ~EAXBUFFERFLAGS_ROOMAUTO;
if( settings->GetRoomHFAuto() )
flags |= EAXBUFFERFLAGS_ROOMHFAUTO;
else
flags &= ~EAXBUFFERFLAGS_ROOMHFAUTO;
if( SetSourceEAXProperty( source, DSPROPSETID_EAX_BufferProperties, DSPROPERTY_EAXBUFFER_FLAGS, &flags, sizeof( DWORD ) ) )
{
return; // All worked, return here
}
// Flag setting failed somehow
hsAssert( false, "Unable to set EAX buffer flags" );
}
#endif /* EAX_SDK_AVAILABLE */
}