AuroraMiddleware/AuroraOpenALSoft
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AuroraOpenALSoft/OpenAL32/alState.c

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/**
* OpenAL cross platform audio library
* Copyright (C) 1999-2000 by authors.
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
* Or go to http://www.gnu.org/copyleft/lgpl.html
*/
#include "config.h"
#include <stdlib.h>
#include "alMain.h"
#include "AL/alc.h"
#include "AL/al.h"
#include "AL/alext.h"
#include "alError.h"
#include "alSource.h"
#include "alAuxEffectSlot.h"
#include "alMidi.h"
#include "midi/base.h"
static const ALchar alVendor[] = "OpenAL Community";
static const ALchar alVersion[] = "1.1 ALSOFT "ALSOFT_VERSION;
static const ALchar alRenderer[] = "OpenAL Soft";
// Error Messages
static const ALchar alNoError[] = "No Error";
static const ALchar alErrInvalidName[] = "Invalid Name";
static const ALchar alErrInvalidEnum[] = "Invalid Enum";
static const ALchar alErrInvalidValue[] = "Invalid Value";
static const ALchar alErrInvalidOp[] = "Invalid Operation";
static const ALchar alErrOutOfMemory[] = "Out of Memory";
AL_API ALvoid AL_APIENTRY alEnable(ALenum capability)
{
ALCcontext *context;
context = GetContextRef();
if(!context) return;
switch(capability)
{
case AL_SOURCE_DISTANCE_MODEL:
context->SourceDistanceModel = AL_TRUE;
ATOMIC_STORE(&context->UpdateSources, AL_TRUE);
break;
default:
SET_ERROR_AND_GOTO(context, AL_INVALID_ENUM, done);
}
done:
ALCcontext_DecRef(context);
}
AL_API ALvoid AL_APIENTRY alDisable(ALenum capability)
{
ALCcontext *context;
context = GetContextRef();
if(!context) return;
switch(capability)
{
case AL_SOURCE_DISTANCE_MODEL:
context->SourceDistanceModel = AL_FALSE;
ATOMIC_STORE(&context->UpdateSources, AL_TRUE);
break;
default:
SET_ERROR_AND_GOTO(context, AL_INVALID_ENUM, done);
}
done:
ALCcontext_DecRef(context);
}
AL_API ALboolean AL_APIENTRY alIsEnabled(ALenum capability)
{
ALCcontext *context;
ALboolean value=AL_FALSE;
context = GetContextRef();
if(!context) return AL_FALSE;
switch(capability)
{
case AL_SOURCE_DISTANCE_MODEL:
value = context->SourceDistanceModel;
break;
default:
SET_ERROR_AND_GOTO(context, AL_INVALID_ENUM, done);
}
done:
ALCcontext_DecRef(context);
return value;
}
AL_API ALboolean AL_APIENTRY alGetBoolean(ALenum pname)
{
ALCcontext *context;
ALboolean value=AL_FALSE;
context = GetContextRef();
if(!context) return AL_FALSE;
switch(pname)
{
case AL_DOPPLER_FACTOR:
if(context->DopplerFactor != 0.0f)
value = AL_TRUE;
break;
case AL_DOPPLER_VELOCITY:
if(context->DopplerVelocity != 0.0f)
value = AL_TRUE;
break;
case AL_DISTANCE_MODEL:
if(context->DistanceModel == AL_INVERSE_DISTANCE_CLAMPED)
value = AL_TRUE;
break;
case AL_SPEED_OF_SOUND:
if(context->SpeedOfSound != 0.0f)
value = AL_TRUE;
break;
case AL_DEFERRED_UPDATES_SOFT:
value = context->DeferUpdates;
break;
default:
SET_ERROR_AND_GOTO(context, AL_INVALID_ENUM, done);
}
done:
ALCcontext_DecRef(context);
return value;
}
AL_API ALdouble AL_APIENTRY alGetDouble(ALenum pname)
{
ALCdevice *device;
ALCcontext *context;
ALdouble value = 0.0;
context = GetContextRef();
if(!context) return 0.0;
switch(pname)
{
case AL_DOPPLER_FACTOR:
value = (ALdouble)context->DopplerFactor;
break;
case AL_DOPPLER_VELOCITY:
value = (ALdouble)context->DopplerVelocity;
break;
case AL_DISTANCE_MODEL:
value = (ALdouble)context->DistanceModel;
break;
case AL_SPEED_OF_SOUND:
value = (ALdouble)context->SpeedOfSound;
break;
case AL_DEFERRED_UPDATES_SOFT:
value = (ALdouble)context->DeferUpdates;
break;
case AL_MIDI_GAIN_SOFT:
device = context->Device;
value = (ALdouble)MidiSynth_getGain(device->Synth);
break;
case AL_MIDI_STATE_SOFT:
device = context->Device;
value = (ALdouble)MidiSynth_getState(device->Synth);
break;
default:
SET_ERROR_AND_GOTO(context, AL_INVALID_ENUM, done);
}
done:
ALCcontext_DecRef(context);
return value;
}
AL_API ALfloat AL_APIENTRY alGetFloat(ALenum pname)
{
ALCdevice *device;
ALCcontext *context;
ALfloat value = 0.0f;
context = GetContextRef();
if(!context) return 0.0f;
switch(pname)
{
case AL_DOPPLER_FACTOR:
value = context->DopplerFactor;
break;
case AL_DOPPLER_VELOCITY:
value = context->DopplerVelocity;
break;
case AL_DISTANCE_MODEL:
value = (ALfloat)context->DistanceModel;
break;
case AL_SPEED_OF_SOUND:
value = context->SpeedOfSound;
break;
case AL_DEFERRED_UPDATES_SOFT:
value = (ALfloat)context->DeferUpdates;
break;
case AL_MIDI_GAIN_SOFT:
device = context->Device;
value = MidiSynth_getGain(device->Synth);
break;
case AL_MIDI_STATE_SOFT:
device = context->Device;
value = (ALfloat)MidiSynth_getState(device->Synth);
break;
default:
SET_ERROR_AND_GOTO(context, AL_INVALID_ENUM, done);
}
done:
ALCcontext_DecRef(context);
return value;
}
AL_API ALint AL_APIENTRY alGetInteger(ALenum pname)
{
ALCcontext *context;
ALCdevice *device;
MidiSynth *synth;
ALint value = 0;
context = GetContextRef();
if(!context) return 0;
switch(pname)
{
case AL_DOPPLER_FACTOR:
value = (ALint)context->DopplerFactor;
break;
case AL_DOPPLER_VELOCITY:
value = (ALint)context->DopplerVelocity;
break;
case AL_DISTANCE_MODEL:
value = (ALint)context->DistanceModel;
break;
case AL_SPEED_OF_SOUND:
value = (ALint)context->SpeedOfSound;
break;
case AL_DEFERRED_UPDATES_SOFT:
value = (ALint)context->DeferUpdates;
break;
case AL_SOUNDFONTS_SIZE_SOFT:
device = context->Device;
synth = device->Synth;
value = synth->NumSoundfonts;
break;
case AL_MIDI_STATE_SOFT:
device = context->Device;
value = MidiSynth_getState(device->Synth);
break;
default:
SET_ERROR_AND_GOTO(context, AL_INVALID_ENUM, done);
}
done:
ALCcontext_DecRef(context);
return value;
}
AL_API ALint64SOFT AL_APIENTRY alGetInteger64SOFT(ALenum pname)
{
ALCcontext *context;
ALCdevice *device;
MidiSynth *synth;
ALint64SOFT value = 0;
context = GetContextRef();
if(!context) return 0;
switch(pname)
{
case AL_DOPPLER_FACTOR:
value = (ALint64SOFT)context->DopplerFactor;
break;
case AL_DOPPLER_VELOCITY:
value = (ALint64SOFT)context->DopplerVelocity;
break;
case AL_DISTANCE_MODEL:
value = (ALint64SOFT)context->DistanceModel;
break;
case AL_SPEED_OF_SOUND:
value = (ALint64SOFT)context->SpeedOfSound;
break;
case AL_DEFERRED_UPDATES_SOFT:
value = (ALint64SOFT)context->DeferUpdates;
break;
case AL_MIDI_CLOCK_SOFT:
device = context->Device;
ALCdevice_Lock(device);
value = MidiSynth_getTime(device->Synth);
ALCdevice_Unlock(device);
break;
case AL_SOUNDFONTS_SIZE_SOFT:
device = context->Device;
synth = device->Synth;
value = (ALint64SOFT)synth->NumSoundfonts;
break;
case AL_MIDI_STATE_SOFT:
device = context->Device;
value = (ALint64SOFT)MidiSynth_getState(device->Synth);
break;
default:
SET_ERROR_AND_GOTO(context, AL_INVALID_ENUM, done);
}
done:
ALCcontext_DecRef(context);
return value;
}
AL_API ALvoid AL_APIENTRY alGetBooleanv(ALenum pname, ALboolean *values)
{
ALCcontext *context;
if(values)
{
switch(pname)
{
case AL_DOPPLER_FACTOR:
case AL_DOPPLER_VELOCITY:
case AL_DISTANCE_MODEL:
case AL_SPEED_OF_SOUND:
case AL_DEFERRED_UPDATES_SOFT:
values[0] = alGetBoolean(pname);
return;
}
}
context = GetContextRef();
if(!context) return;
if(!(values))
SET_ERROR_AND_GOTO(context, AL_INVALID_VALUE, done);
switch(pname)
{
default:
SET_ERROR_AND_GOTO(context, AL_INVALID_ENUM, done);
}
done:
ALCcontext_DecRef(context);
}
AL_API ALvoid AL_APIENTRY alGetDoublev(ALenum pname, ALdouble *values)
{
ALCcontext *context;
if(values)
{
switch(pname)
{
case AL_DOPPLER_FACTOR:
case AL_DOPPLER_VELOCITY:
case AL_DISTANCE_MODEL:
case AL_SPEED_OF_SOUND:
case AL_DEFERRED_UPDATES_SOFT:
case AL_MIDI_GAIN_SOFT:
case AL_MIDI_STATE_SOFT:
values[0] = alGetDouble(pname);
return;
}
}
context = GetContextRef();
if(!context) return;
if(!(values))
SET_ERROR_AND_GOTO(context, AL_INVALID_VALUE, done);
switch(pname)
{
default:
SET_ERROR_AND_GOTO(context, AL_INVALID_ENUM, done);
}
done:
ALCcontext_DecRef(context);
}
AL_API ALvoid AL_APIENTRY alGetFloatv(ALenum pname, ALfloat *values)
{
ALCcontext *context;
if(values)
{
switch(pname)
{
case AL_DOPPLER_FACTOR:
case AL_DOPPLER_VELOCITY:
case AL_DISTANCE_MODEL:
case AL_SPEED_OF_SOUND:
case AL_DEFERRED_UPDATES_SOFT:
case AL_MIDI_GAIN_SOFT:
case AL_MIDI_STATE_SOFT:
values[0] = alGetFloat(pname);
return;
}
}
context = GetContextRef();
if(!context) return;
if(!(values))
SET_ERROR_AND_GOTO(context, AL_INVALID_VALUE, done);
switch(pname)
{
default:
SET_ERROR_AND_GOTO(context, AL_INVALID_ENUM, done);
}
done:
ALCcontext_DecRef(context);
}
AL_API ALvoid AL_APIENTRY alGetIntegerv(ALenum pname, ALint *values)
{
ALCcontext *context;
ALCdevice *device;
MidiSynth *synth;
ALsizei i;
if(values)
{
switch(pname)
{
case AL_DOPPLER_FACTOR:
case AL_DOPPLER_VELOCITY:
case AL_DISTANCE_MODEL:
case AL_SPEED_OF_SOUND:
case AL_DEFERRED_UPDATES_SOFT:
case AL_SOUNDFONTS_SIZE_SOFT:
case AL_MIDI_STATE_SOFT:
values[0] = alGetInteger(pname);
return;
}
}
context = GetContextRef();
if(!context) return;
switch(pname)
{
case AL_SOUNDFONTS_SOFT:
device = context->Device;
synth = device->Synth;
if(synth->NumSoundfonts > 0)
{
if(!(values))
SET_ERROR_AND_GOTO(context, AL_INVALID_VALUE, done);
for(i = 0;i < synth->NumSoundfonts;i++)
values[i] = synth->Soundfonts[i]->id;
}
break;
default:
SET_ERROR_AND_GOTO(context, AL_INVALID_ENUM, done);
}
done:
ALCcontext_DecRef(context);
}
AL_API void AL_APIENTRY alGetInteger64vSOFT(ALenum pname, ALint64SOFT *values)
{
ALCcontext *context;
ALCdevice *device;
MidiSynth *synth;
ALsizei i;
if(values)
{
switch(pname)
{
case AL_DOPPLER_FACTOR:
case AL_DOPPLER_VELOCITY:
case AL_DISTANCE_MODEL:
case AL_SPEED_OF_SOUND:
case AL_DEFERRED_UPDATES_SOFT:
case AL_MIDI_CLOCK_SOFT:
case AL_SOUNDFONTS_SIZE_SOFT:
case AL_MIDI_STATE_SOFT:
values[0] = alGetInteger64SOFT(pname);
return;
}
}
context = GetContextRef();
if(!context) return;
switch(pname)
{
case AL_SOUNDFONTS_SOFT:
device = context->Device;
synth = device->Synth;
if(synth->NumSoundfonts > 0)
{
if(!(values))
SET_ERROR_AND_GOTO(context, AL_INVALID_VALUE, done);
for(i = 0;i < synth->NumSoundfonts;i++)
values[i] = (ALint64SOFT)synth->Soundfonts[i]->id;
}
break;
default:
SET_ERROR_AND_GOTO(context, AL_INVALID_ENUM, done);
}
done:
ALCcontext_DecRef(context);
}
AL_API const ALchar* AL_APIENTRY alGetString(ALenum pname)
{
const ALchar *value = NULL;
ALCcontext *context;
context = GetContextRef();
if(!context) return NULL;
switch(pname)
{
case AL_VENDOR:
value = alVendor;
break;
case AL_VERSION:
value = alVersion;
break;
case AL_RENDERER:
value = alRenderer;
break;
case AL_EXTENSIONS:
value = context->ExtensionList;
break;
case AL_NO_ERROR:
value = alNoError;
break;
case AL_INVALID_NAME:
value = alErrInvalidName;
break;
case AL_INVALID_ENUM:
value = alErrInvalidEnum;
break;
case AL_INVALID_VALUE:
value = alErrInvalidValue;
break;
case AL_INVALID_OPERATION:
value = alErrInvalidOp;
break;
case AL_OUT_OF_MEMORY:
value = alErrOutOfMemory;
break;
default:
SET_ERROR_AND_GOTO(context, AL_INVALID_ENUM, done);
}
done:
ALCcontext_DecRef(context);
return value;
}
AL_API ALvoid AL_APIENTRY alDopplerFactor(ALfloat value)
{
ALCcontext *context;
context = GetContextRef();
if(!context) return;
if(!(value >= 0.0f && isfinite(value)))
SET_ERROR_AND_GOTO(context, AL_INVALID_VALUE, done);
context->DopplerFactor = value;
ATOMIC_STORE(&context->UpdateSources, AL_TRUE);
done:
ALCcontext_DecRef(context);
}
AL_API ALvoid AL_APIENTRY alDopplerVelocity(ALfloat value)
{
ALCcontext *context;
context = GetContextRef();
if(!context) return;
if(!(value >= 0.0f && isfinite(value)))
SET_ERROR_AND_GOTO(context, AL_INVALID_VALUE, done);
context->DopplerVelocity = value;
ATOMIC_STORE(&context->UpdateSources, AL_TRUE);
done:
ALCcontext_DecRef(context);
}
AL_API ALvoid AL_APIENTRY alSpeedOfSound(ALfloat value)
{
ALCcontext *context;
context = GetContextRef();
if(!context) return;
if(!(value > 0.0f && isfinite(value)))
SET_ERROR_AND_GOTO(context, AL_INVALID_VALUE, done);
context->SpeedOfSound = value;
ATOMIC_STORE(&context->UpdateSources, AL_TRUE);
done:
ALCcontext_DecRef(context);
}
AL_API ALvoid AL_APIENTRY alDistanceModel(ALenum value)
{
ALCcontext *context;
context = GetContextRef();
if(!context) return;
if(!(value == AL_INVERSE_DISTANCE || value == AL_INVERSE_DISTANCE_CLAMPED ||
value == AL_LINEAR_DISTANCE || value == AL_LINEAR_DISTANCE_CLAMPED ||
value == AL_EXPONENT_DISTANCE || value == AL_EXPONENT_DISTANCE_CLAMPED ||
value == AL_NONE))
SET_ERROR_AND_GOTO(context, AL_INVALID_VALUE, done);
context->DistanceModel = value;
if(!context->SourceDistanceModel)
ATOMIC_STORE(&context->UpdateSources, AL_TRUE);
done:
ALCcontext_DecRef(context);
}
AL_API ALvoid AL_APIENTRY alDeferUpdatesSOFT(void)
{
ALCcontext *context;
context = GetContextRef();
if(!context) return;
if(!context->DeferUpdates)
{
ALboolean UpdateSources;
ALactivesource **src, **src_end;
ALeffectslot **slot, **slot_end;
FPUCtl oldMode;
SetMixerFPUMode(&oldMode);
LockContext(context);
context->DeferUpdates = AL_TRUE;
/* Make sure all pending updates are performed */
UpdateSources = ATOMIC_EXCHANGE(ALenum, &context->UpdateSources, AL_FALSE);
src = context->ActiveSources;
src_end = src + context->ActiveSourceCount;
while(src != src_end)
{
ALsource *source = (*src)->Source;
if(source->state != AL_PLAYING && source->state != AL_PAUSED)
{
ALactivesource *temp = *(--src_end);
*src_end = *src;
*src = temp;
--(context->ActiveSourceCount);
continue;
}
if(ATOMIC_EXCHANGE(ALenum, &source->NeedsUpdate, AL_FALSE) || UpdateSources)
(*src)->Update(*src, context);
src++;
}
slot = VECTOR_ITER_BEGIN(context->ActiveAuxSlots);
slot_end = VECTOR_ITER_END(context->ActiveAuxSlots);
while(slot != slot_end)
{
if(ATOMIC_EXCHANGE(ALenum, &(*slot)->NeedsUpdate, AL_FALSE))
V((*slot)->EffectState,update)(context->Device, *slot);
slot++;
}
UnlockContext(context);
RestoreFPUMode(&oldMode);
}
ALCcontext_DecRef(context);
}
AL_API ALvoid AL_APIENTRY alProcessUpdatesSOFT(void)
{
ALCcontext *context;
context = GetContextRef();
if(!context) return;
if(ExchangeInt(&context->DeferUpdates, AL_FALSE))
{
ALsizei pos;
LockContext(context);
LockUIntMapRead(&context->SourceMap);
for(pos = 0;pos < context->SourceMap.size;pos++)
{
ALsource *Source = context->SourceMap.array[pos].value;
ALenum new_state;
if((Source->state == AL_PLAYING || Source->state == AL_PAUSED) &&
Source->Offset >= 0.0)
{
ReadLock(&Source->queue_lock);
ApplyOffset(Source);
ReadUnlock(&Source->queue_lock);
}
new_state = ExchangeInt(&Source->new_state, AL_NONE);
if(new_state)
SetSourceState(Source, context, new_state);
}
UnlockUIntMapRead(&context->SourceMap);
UnlockContext(context);
}
ALCcontext_DecRef(context);
}
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