732 lines
16 KiB
C
732 lines
16 KiB
C
/**
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* OpenAL cross platform audio library
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* Copyright (C) 1999-2000 by authors.
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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* Or go to http://www.gnu.org/copyleft/lgpl.html
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*/
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#include "config.h"
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#include <stdlib.h>
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#include "alMain.h"
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#include "AL/alc.h"
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#include "AL/al.h"
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#include "AL/alext.h"
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#include "alError.h"
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#include "alSource.h"
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#include "alAuxEffectSlot.h"
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#include "alMidi.h"
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#include "backends/base.h"
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#include "midi/base.h"
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static const ALchar alVendor[] = "OpenAL Community";
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static const ALchar alVersion[] = "1.1 ALSOFT "ALSOFT_VERSION;
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static const ALchar alRenderer[] = "OpenAL Soft";
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// Error Messages
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static const ALchar alNoError[] = "No Error";
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static const ALchar alErrInvalidName[] = "Invalid Name";
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static const ALchar alErrInvalidEnum[] = "Invalid Enum";
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static const ALchar alErrInvalidValue[] = "Invalid Value";
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static const ALchar alErrInvalidOp[] = "Invalid Operation";
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static const ALchar alErrOutOfMemory[] = "Out of Memory";
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AL_API ALvoid AL_APIENTRY alEnable(ALenum capability)
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{
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ALCcontext *context;
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context = GetContextRef();
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if(!context) return;
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switch(capability)
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{
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case AL_SOURCE_DISTANCE_MODEL:
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context->SourceDistanceModel = AL_TRUE;
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ATOMIC_STORE(&context->UpdateSources, AL_TRUE);
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break;
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default:
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SET_ERROR_AND_GOTO(context, AL_INVALID_ENUM, done);
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}
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done:
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ALCcontext_DecRef(context);
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}
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AL_API ALvoid AL_APIENTRY alDisable(ALenum capability)
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{
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ALCcontext *context;
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context = GetContextRef();
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if(!context) return;
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switch(capability)
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{
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case AL_SOURCE_DISTANCE_MODEL:
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context->SourceDistanceModel = AL_FALSE;
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ATOMIC_STORE(&context->UpdateSources, AL_TRUE);
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break;
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default:
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SET_ERROR_AND_GOTO(context, AL_INVALID_ENUM, done);
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}
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done:
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ALCcontext_DecRef(context);
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}
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AL_API ALboolean AL_APIENTRY alIsEnabled(ALenum capability)
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{
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ALCcontext *context;
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ALboolean value=AL_FALSE;
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context = GetContextRef();
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if(!context) return AL_FALSE;
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switch(capability)
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{
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case AL_SOURCE_DISTANCE_MODEL:
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value = context->SourceDistanceModel;
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break;
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default:
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SET_ERROR_AND_GOTO(context, AL_INVALID_ENUM, done);
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}
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done:
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ALCcontext_DecRef(context);
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return value;
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}
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AL_API ALboolean AL_APIENTRY alGetBoolean(ALenum pname)
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{
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ALCcontext *context;
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ALboolean value=AL_FALSE;
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context = GetContextRef();
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if(!context) return AL_FALSE;
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switch(pname)
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{
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case AL_DOPPLER_FACTOR:
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if(context->DopplerFactor != 0.0f)
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value = AL_TRUE;
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break;
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case AL_DOPPLER_VELOCITY:
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if(context->DopplerVelocity != 0.0f)
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value = AL_TRUE;
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break;
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case AL_DISTANCE_MODEL:
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if(context->DistanceModel == AL_INVERSE_DISTANCE_CLAMPED)
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value = AL_TRUE;
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break;
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case AL_SPEED_OF_SOUND:
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if(context->SpeedOfSound != 0.0f)
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value = AL_TRUE;
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break;
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case AL_DEFERRED_UPDATES_SOFT:
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value = context->DeferUpdates;
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break;
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default:
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SET_ERROR_AND_GOTO(context, AL_INVALID_ENUM, done);
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}
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done:
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ALCcontext_DecRef(context);
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return value;
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}
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AL_API ALdouble AL_APIENTRY alGetDouble(ALenum pname)
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{
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ALCdevice *device;
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ALCcontext *context;
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ALdouble value = 0.0;
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context = GetContextRef();
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if(!context) return 0.0;
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switch(pname)
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{
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case AL_DOPPLER_FACTOR:
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value = (ALdouble)context->DopplerFactor;
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break;
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case AL_DOPPLER_VELOCITY:
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value = (ALdouble)context->DopplerVelocity;
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break;
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case AL_DISTANCE_MODEL:
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value = (ALdouble)context->DistanceModel;
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break;
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case AL_SPEED_OF_SOUND:
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value = (ALdouble)context->SpeedOfSound;
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break;
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case AL_DEFERRED_UPDATES_SOFT:
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value = (ALdouble)context->DeferUpdates;
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break;
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case AL_MIDI_GAIN_SOFT:
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device = context->Device;
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value = (ALdouble)MidiSynth_getGain(device->Synth);
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break;
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case AL_MIDI_STATE_SOFT:
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device = context->Device;
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value = (ALdouble)MidiSynth_getState(device->Synth);
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break;
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default:
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SET_ERROR_AND_GOTO(context, AL_INVALID_ENUM, done);
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}
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done:
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ALCcontext_DecRef(context);
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return value;
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}
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AL_API ALfloat AL_APIENTRY alGetFloat(ALenum pname)
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{
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ALCdevice *device;
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ALCcontext *context;
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ALfloat value = 0.0f;
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context = GetContextRef();
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if(!context) return 0.0f;
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switch(pname)
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{
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case AL_DOPPLER_FACTOR:
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value = context->DopplerFactor;
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break;
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case AL_DOPPLER_VELOCITY:
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value = context->DopplerVelocity;
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break;
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case AL_DISTANCE_MODEL:
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value = (ALfloat)context->DistanceModel;
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break;
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case AL_SPEED_OF_SOUND:
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value = context->SpeedOfSound;
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break;
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case AL_DEFERRED_UPDATES_SOFT:
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value = (ALfloat)context->DeferUpdates;
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break;
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case AL_MIDI_GAIN_SOFT:
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device = context->Device;
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value = MidiSynth_getGain(device->Synth);
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break;
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case AL_MIDI_STATE_SOFT:
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device = context->Device;
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value = (ALfloat)MidiSynth_getState(device->Synth);
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break;
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default:
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SET_ERROR_AND_GOTO(context, AL_INVALID_ENUM, done);
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}
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done:
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ALCcontext_DecRef(context);
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return value;
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}
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AL_API ALint AL_APIENTRY alGetInteger(ALenum pname)
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{
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ALCcontext *context;
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ALCdevice *device;
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MidiSynth *synth;
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ALint value = 0;
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context = GetContextRef();
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if(!context) return 0;
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switch(pname)
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{
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case AL_DOPPLER_FACTOR:
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value = (ALint)context->DopplerFactor;
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break;
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case AL_DOPPLER_VELOCITY:
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value = (ALint)context->DopplerVelocity;
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break;
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case AL_DISTANCE_MODEL:
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value = (ALint)context->DistanceModel;
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break;
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case AL_SPEED_OF_SOUND:
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value = (ALint)context->SpeedOfSound;
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break;
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case AL_DEFERRED_UPDATES_SOFT:
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value = (ALint)context->DeferUpdates;
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break;
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case AL_SOUNDFONTS_SIZE_SOFT:
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device = context->Device;
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synth = device->Synth;
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value = synth->NumSoundfonts;
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break;
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case AL_MIDI_STATE_SOFT:
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device = context->Device;
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value = MidiSynth_getState(device->Synth);
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break;
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default:
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SET_ERROR_AND_GOTO(context, AL_INVALID_ENUM, done);
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}
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done:
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ALCcontext_DecRef(context);
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return value;
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}
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AL_API ALint64SOFT AL_APIENTRY alGetInteger64SOFT(ALenum pname)
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{
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ALCcontext *context;
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ALCdevice *device;
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MidiSynth *synth;
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ALint64SOFT value = 0;
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context = GetContextRef();
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if(!context) return 0;
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switch(pname)
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{
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case AL_DOPPLER_FACTOR:
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value = (ALint64SOFT)context->DopplerFactor;
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break;
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case AL_DOPPLER_VELOCITY:
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value = (ALint64SOFT)context->DopplerVelocity;
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break;
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case AL_DISTANCE_MODEL:
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value = (ALint64SOFT)context->DistanceModel;
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break;
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case AL_SPEED_OF_SOUND:
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value = (ALint64SOFT)context->SpeedOfSound;
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break;
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case AL_DEFERRED_UPDATES_SOFT:
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value = (ALint64SOFT)context->DeferUpdates;
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break;
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case AL_MIDI_CLOCK_SOFT:
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device = context->Device;
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V0(device->Backend,lock)();
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value = MidiSynth_getTime(device->Synth);
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V0(device->Backend,unlock)();
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break;
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case AL_SOUNDFONTS_SIZE_SOFT:
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device = context->Device;
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synth = device->Synth;
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value = (ALint64SOFT)synth->NumSoundfonts;
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break;
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case AL_MIDI_STATE_SOFT:
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device = context->Device;
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value = (ALint64SOFT)MidiSynth_getState(device->Synth);
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break;
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default:
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SET_ERROR_AND_GOTO(context, AL_INVALID_ENUM, done);
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}
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done:
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ALCcontext_DecRef(context);
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return value;
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}
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AL_API ALvoid AL_APIENTRY alGetBooleanv(ALenum pname, ALboolean *values)
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{
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ALCcontext *context;
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if(values)
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{
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switch(pname)
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{
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case AL_DOPPLER_FACTOR:
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case AL_DOPPLER_VELOCITY:
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case AL_DISTANCE_MODEL:
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case AL_SPEED_OF_SOUND:
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case AL_DEFERRED_UPDATES_SOFT:
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values[0] = alGetBoolean(pname);
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return;
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}
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}
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context = GetContextRef();
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if(!context) return;
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if(!(values))
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SET_ERROR_AND_GOTO(context, AL_INVALID_VALUE, done);
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switch(pname)
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{
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default:
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SET_ERROR_AND_GOTO(context, AL_INVALID_ENUM, done);
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}
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done:
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ALCcontext_DecRef(context);
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}
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AL_API ALvoid AL_APIENTRY alGetDoublev(ALenum pname, ALdouble *values)
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{
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ALCcontext *context;
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if(values)
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{
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switch(pname)
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{
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case AL_DOPPLER_FACTOR:
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case AL_DOPPLER_VELOCITY:
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case AL_DISTANCE_MODEL:
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case AL_SPEED_OF_SOUND:
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case AL_DEFERRED_UPDATES_SOFT:
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case AL_MIDI_GAIN_SOFT:
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case AL_MIDI_STATE_SOFT:
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values[0] = alGetDouble(pname);
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return;
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}
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}
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context = GetContextRef();
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if(!context) return;
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if(!(values))
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SET_ERROR_AND_GOTO(context, AL_INVALID_VALUE, done);
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switch(pname)
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{
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default:
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SET_ERROR_AND_GOTO(context, AL_INVALID_ENUM, done);
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}
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done:
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ALCcontext_DecRef(context);
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}
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AL_API ALvoid AL_APIENTRY alGetFloatv(ALenum pname, ALfloat *values)
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{
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ALCcontext *context;
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if(values)
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{
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switch(pname)
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{
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case AL_DOPPLER_FACTOR:
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case AL_DOPPLER_VELOCITY:
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case AL_DISTANCE_MODEL:
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case AL_SPEED_OF_SOUND:
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case AL_DEFERRED_UPDATES_SOFT:
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case AL_MIDI_GAIN_SOFT:
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case AL_MIDI_STATE_SOFT:
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values[0] = alGetFloat(pname);
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return;
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}
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}
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context = GetContextRef();
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if(!context) return;
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if(!(values))
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SET_ERROR_AND_GOTO(context, AL_INVALID_VALUE, done);
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switch(pname)
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{
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default:
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SET_ERROR_AND_GOTO(context, AL_INVALID_ENUM, done);
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}
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done:
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ALCcontext_DecRef(context);
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}
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AL_API ALvoid AL_APIENTRY alGetIntegerv(ALenum pname, ALint *values)
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{
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ALCcontext *context;
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ALCdevice *device;
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MidiSynth *synth;
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ALsizei i;
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if(values)
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{
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switch(pname)
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{
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case AL_DOPPLER_FACTOR:
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case AL_DOPPLER_VELOCITY:
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case AL_DISTANCE_MODEL:
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case AL_SPEED_OF_SOUND:
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case AL_DEFERRED_UPDATES_SOFT:
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case AL_SOUNDFONTS_SIZE_SOFT:
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case AL_MIDI_STATE_SOFT:
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values[0] = alGetInteger(pname);
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return;
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}
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}
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context = GetContextRef();
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if(!context) return;
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switch(pname)
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{
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case AL_SOUNDFONTS_SOFT:
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device = context->Device;
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synth = device->Synth;
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if(synth->NumSoundfonts > 0)
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{
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if(!(values))
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SET_ERROR_AND_GOTO(context, AL_INVALID_VALUE, done);
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for(i = 0;i < synth->NumSoundfonts;i++)
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values[i] = synth->Soundfonts[i]->id;
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}
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break;
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default:
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SET_ERROR_AND_GOTO(context, AL_INVALID_ENUM, done);
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}
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done:
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ALCcontext_DecRef(context);
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}
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AL_API void AL_APIENTRY alGetInteger64vSOFT(ALenum pname, ALint64SOFT *values)
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{
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ALCcontext *context;
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ALCdevice *device;
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MidiSynth *synth;
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ALsizei i;
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if(values)
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{
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switch(pname)
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{
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case AL_DOPPLER_FACTOR:
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case AL_DOPPLER_VELOCITY:
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case AL_DISTANCE_MODEL:
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case AL_SPEED_OF_SOUND:
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case AL_DEFERRED_UPDATES_SOFT:
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case AL_MIDI_CLOCK_SOFT:
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case AL_SOUNDFONTS_SIZE_SOFT:
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case AL_MIDI_STATE_SOFT:
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values[0] = alGetInteger64SOFT(pname);
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return;
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}
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}
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context = GetContextRef();
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if(!context) return;
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switch(pname)
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{
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case AL_SOUNDFONTS_SOFT:
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device = context->Device;
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synth = device->Synth;
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if(synth->NumSoundfonts > 0)
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{
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if(!(values))
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SET_ERROR_AND_GOTO(context, AL_INVALID_VALUE, done);
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for(i = 0;i < synth->NumSoundfonts;i++)
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values[i] = (ALint64SOFT)synth->Soundfonts[i]->id;
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}
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break;
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default:
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SET_ERROR_AND_GOTO(context, AL_INVALID_ENUM, done);
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}
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done:
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ALCcontext_DecRef(context);
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}
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AL_API const ALchar* AL_APIENTRY alGetString(ALenum pname)
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{
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const ALchar *value = NULL;
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ALCcontext *context;
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context = GetContextRef();
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if(!context) return NULL;
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switch(pname)
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{
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case AL_VENDOR:
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value = alVendor;
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break;
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|
|
|
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;
|
|
|
|
ALCcontext_DeferUpdates(context);
|
|
|
|
ALCcontext_DecRef(context);
|
|
}
|
|
|
|
AL_API ALvoid AL_APIENTRY alProcessUpdatesSOFT(void)
|
|
{
|
|
ALCcontext *context;
|
|
|
|
context = GetContextRef();
|
|
if(!context) return;
|
|
|
|
ALCcontext_ProcessUpdates(context);
|
|
|
|
ALCcontext_DecRef(context);
|
|
}
|