473 lines
12 KiB
C
473 lines
12 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., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, 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 "alMain.h"
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#include "AL/alc.h"
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#include "alError.h"
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#include "alListener.h"
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#include "alSource.h"
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AL_API ALvoid AL_APIENTRY alListenerf(ALenum param, ALfloat value)
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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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al_try
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{
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switch(param)
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{
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case AL_GAIN:
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CHECK_VALUE(Context, value >= 0.0f && isfinite(value));
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Context->Listener->Gain = value;
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Context->UpdateSources = AL_TRUE;
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break;
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case AL_METERS_PER_UNIT:
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CHECK_VALUE(Context, value >= 0.0f && isfinite(value));
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Context->Listener->MetersPerUnit = value;
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Context->UpdateSources = AL_TRUE;
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break;
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default:
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al_throwerr(Context, AL_INVALID_ENUM);
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}
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}
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al_endtry;
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ALCcontext_DecRef(Context);
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}
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AL_API ALvoid AL_APIENTRY alListener3f(ALenum param, ALfloat value1, ALfloat value2, ALfloat value3)
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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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al_try
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{
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switch(param)
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{
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case AL_POSITION:
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CHECK_VALUE(Context, isfinite(value1) && isfinite(value2) && isfinite(value3));
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LockContext(Context);
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Context->Listener->Position[0] = value1;
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Context->Listener->Position[1] = value2;
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Context->Listener->Position[2] = value3;
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Context->UpdateSources = AL_TRUE;
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UnlockContext(Context);
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break;
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case AL_VELOCITY:
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CHECK_VALUE(Context, isfinite(value1) && isfinite(value2) && isfinite(value3));
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LockContext(Context);
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Context->Listener->Velocity[0] = value1;
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Context->Listener->Velocity[1] = value2;
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Context->Listener->Velocity[2] = value3;
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Context->UpdateSources = AL_TRUE;
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UnlockContext(Context);
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break;
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default:
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al_throwerr(Context, AL_INVALID_ENUM);
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}
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}
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al_endtry;
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ALCcontext_DecRef(Context);
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}
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AL_API ALvoid AL_APIENTRY alListenerfv(ALenum param, const 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(param)
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{
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case AL_GAIN:
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case AL_METERS_PER_UNIT:
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alListenerf(param, values[0]);
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return;
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case AL_POSITION:
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case AL_VELOCITY:
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alListener3f(param, values[0], values[1], values[2]);
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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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al_try
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{
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CHECK_VALUE(Context, values);
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switch(param)
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{
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case AL_ORIENTATION:
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CHECK_VALUE(Context, isfinite(values[0]) && isfinite(values[1]) &&
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isfinite(values[2]) && isfinite(values[3]) &&
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isfinite(values[4]) && isfinite(values[5]));
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LockContext(Context);
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/* AT then UP */
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Context->Listener->Forward[0] = values[0];
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Context->Listener->Forward[1] = values[1];
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Context->Listener->Forward[2] = values[2];
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Context->Listener->Up[0] = values[3];
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Context->Listener->Up[1] = values[4];
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Context->Listener->Up[2] = values[5];
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Context->UpdateSources = AL_TRUE;
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UnlockContext(Context);
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break;
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default:
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al_throwerr(Context, AL_INVALID_ENUM);
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}
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}
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al_endtry;
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ALCcontext_DecRef(Context);
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}
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AL_API ALvoid AL_APIENTRY alListeneri(ALenum param, ALint value)
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{
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ALCcontext *Context;
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(void)value;
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Context = GetContextRef();
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if(!Context) return;
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al_try
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{
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switch(param)
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{
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default:
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al_throwerr(Context, AL_INVALID_ENUM);
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}
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}
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al_endtry;
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ALCcontext_DecRef(Context);
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}
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AL_API void AL_APIENTRY alListener3i(ALenum param, ALint value1, ALint value2, ALint value3)
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{
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ALCcontext *Context;
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switch(param)
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{
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case AL_POSITION:
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case AL_VELOCITY:
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alListener3f(param, (ALfloat)value1, (ALfloat)value2, (ALfloat)value3);
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return;
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}
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Context = GetContextRef();
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if(!Context) return;
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al_try
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{
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switch(param)
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{
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default:
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al_throwerr(Context, AL_INVALID_ENUM);
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}
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}
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al_endtry;
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ALCcontext_DecRef(Context);
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}
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AL_API void AL_APIENTRY alListeneriv(ALenum param, const ALint *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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ALfloat fvals[6];
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switch(param)
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{
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case AL_POSITION:
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case AL_VELOCITY:
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alListener3f(param, (ALfloat)values[0], (ALfloat)values[1], (ALfloat)values[2]);
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return;
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case AL_ORIENTATION:
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fvals[0] = (ALfloat)values[0];
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fvals[1] = (ALfloat)values[1];
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fvals[2] = (ALfloat)values[2];
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fvals[3] = (ALfloat)values[3];
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fvals[4] = (ALfloat)values[4];
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fvals[5] = (ALfloat)values[5];
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alListenerfv(param, fvals);
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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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al_try
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{
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CHECK_VALUE(Context, values);
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switch(param)
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{
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default:
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al_throwerr(Context, AL_INVALID_ENUM);
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}
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}
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al_endtry;
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ALCcontext_DecRef(Context);
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}
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AL_API ALvoid AL_APIENTRY alGetListenerf(ALenum param, ALfloat *value)
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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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al_try
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{
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CHECK_VALUE(Context, value);
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switch(param)
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{
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case AL_GAIN:
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*value = Context->Listener->Gain;
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break;
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case AL_METERS_PER_UNIT:
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*value = Context->Listener->MetersPerUnit;
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break;
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default:
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al_throwerr(Context, AL_INVALID_ENUM);
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}
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}
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al_endtry;
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ALCcontext_DecRef(Context);
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}
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AL_API ALvoid AL_APIENTRY alGetListener3f(ALenum param, ALfloat *value1, ALfloat *value2, ALfloat *value3)
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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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al_try
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{
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CHECK_VALUE(Context, value1 && value2 && value3);
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switch(param)
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{
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case AL_POSITION:
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LockContext(Context);
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*value1 = Context->Listener->Position[0];
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*value2 = Context->Listener->Position[1];
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*value3 = Context->Listener->Position[2];
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UnlockContext(Context);
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break;
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case AL_VELOCITY:
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LockContext(Context);
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*value1 = Context->Listener->Velocity[0];
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*value2 = Context->Listener->Velocity[1];
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*value3 = Context->Listener->Velocity[2];
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UnlockContext(Context);
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break;
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default:
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al_throwerr(Context, AL_INVALID_ENUM);
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}
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}
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al_endtry;
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ALCcontext_DecRef(Context);
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}
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AL_API ALvoid AL_APIENTRY alGetListenerfv(ALenum param, ALfloat *values)
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{
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ALCcontext *Context;
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switch(param)
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{
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case AL_GAIN:
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case AL_METERS_PER_UNIT:
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alGetListenerf(param, values);
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return;
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case AL_POSITION:
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case AL_VELOCITY:
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alGetListener3f(param, values+0, values+1, values+2);
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return;
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}
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Context = GetContextRef();
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if(!Context) return;
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al_try
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{
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CHECK_VALUE(Context, values);
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switch(param)
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{
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case AL_ORIENTATION:
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LockContext(Context);
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// AT then UP
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values[0] = Context->Listener->Forward[0];
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values[1] = Context->Listener->Forward[1];
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values[2] = Context->Listener->Forward[2];
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values[3] = Context->Listener->Up[0];
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values[4] = Context->Listener->Up[1];
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values[5] = Context->Listener->Up[2];
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UnlockContext(Context);
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break;
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default:
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al_throwerr(Context, AL_INVALID_ENUM);
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}
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}
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al_endtry;
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ALCcontext_DecRef(Context);
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}
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AL_API ALvoid AL_APIENTRY alGetListeneri(ALenum param, ALint *value)
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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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al_try
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{
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CHECK_VALUE(Context, value);
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switch(param)
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{
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default:
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al_throwerr(Context, AL_INVALID_ENUM);
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}
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}
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al_endtry;
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ALCcontext_DecRef(Context);
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}
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AL_API void AL_APIENTRY alGetListener3i(ALenum param, ALint *value1, ALint *value2, ALint *value3)
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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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al_try
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{
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CHECK_VALUE(Context, value1 && value2 && value3);
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switch (param)
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{
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case AL_POSITION:
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LockContext(Context);
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*value1 = (ALint)Context->Listener->Position[0];
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*value2 = (ALint)Context->Listener->Position[1];
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*value3 = (ALint)Context->Listener->Position[2];
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UnlockContext(Context);
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break;
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case AL_VELOCITY:
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LockContext(Context);
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*value1 = (ALint)Context->Listener->Velocity[0];
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*value2 = (ALint)Context->Listener->Velocity[1];
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*value3 = (ALint)Context->Listener->Velocity[2];
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UnlockContext(Context);
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break;
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default:
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al_throwerr(Context, AL_INVALID_ENUM);
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}
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}
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al_endtry;
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ALCcontext_DecRef(Context);
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}
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AL_API void AL_APIENTRY alGetListeneriv(ALenum param, ALint* values)
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{
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ALCcontext *Context;
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switch(param)
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{
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case AL_POSITION:
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case AL_VELOCITY:
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alGetListener3i(param, values+0, values+1, values+2);
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return;
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}
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Context = GetContextRef();
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if(!Context) return;
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al_try
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{
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CHECK_VALUE(Context, values);
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switch(param)
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{
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case AL_ORIENTATION:
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LockContext(Context);
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// AT then UP
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values[0] = (ALint)Context->Listener->Forward[0];
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values[1] = (ALint)Context->Listener->Forward[1];
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values[2] = (ALint)Context->Listener->Forward[2];
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values[3] = (ALint)Context->Listener->Up[0];
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values[4] = (ALint)Context->Listener->Up[1];
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values[5] = (ALint)Context->Listener->Up[2];
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UnlockContext(Context);
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break;
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default:
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al_throwerr(Context, AL_INVALID_ENUM);
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}
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}
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al_endtry;
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ALCcontext_DecRef(Context);
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}
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