669 lines
22 KiB
C
669 lines
22 KiB
C
/**
|
|
* OpenAL cross platform audio library
|
|
* Copyright (C) 1999-2007 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.,
|
|
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
|
|
* Or go to http://www.gnu.org/copyleft/lgpl.html
|
|
*/
|
|
|
|
#include "config.h"
|
|
|
|
#include <stdlib.h>
|
|
|
|
#include "alMain.h"
|
|
#include "alu.h"
|
|
#include "alFilter.h"
|
|
#include "alError.h"
|
|
|
|
|
|
extern inline void LockFilterList(ALCdevice *device);
|
|
extern inline void UnlockFilterList(ALCdevice *device);
|
|
|
|
static ALfilter *AllocFilter(ALCcontext *context);
|
|
static void FreeFilter(ALCdevice *device, ALfilter *filter);
|
|
static void InitFilterParams(ALfilter *filter, ALenum type);
|
|
|
|
static inline ALfilter *LookupFilter(ALCdevice *device, ALuint id)
|
|
{
|
|
FilterSubList *sublist;
|
|
ALuint lidx = (id-1) >> 6;
|
|
ALsizei slidx = (id-1) & 0x3f;
|
|
|
|
if(UNLIKELY(lidx >= VECTOR_SIZE(device->FilterList)))
|
|
return NULL;
|
|
sublist = &VECTOR_ELEM(device->FilterList, lidx);
|
|
if(UNLIKELY(sublist->FreeMask & (U64(1)<<slidx)))
|
|
return NULL;
|
|
return sublist->Filters + slidx;
|
|
}
|
|
|
|
|
|
AL_API ALvoid AL_APIENTRY alGenFilters(ALsizei n, ALuint *filters)
|
|
{
|
|
ALCcontext *context;
|
|
ALsizei cur = 0;
|
|
|
|
context = GetContextRef();
|
|
if(!context) return;
|
|
|
|
if(!(n >= 0))
|
|
alSetError(context, AL_INVALID_VALUE, "Generating %d filters", n);
|
|
else for(cur = 0;cur < n;cur++)
|
|
{
|
|
ALfilter *filter = AllocFilter(context);
|
|
if(!filter)
|
|
{
|
|
alDeleteFilters(cur, filters);
|
|
break;
|
|
}
|
|
|
|
filters[cur] = filter->id;
|
|
}
|
|
|
|
ALCcontext_DecRef(context);
|
|
}
|
|
|
|
AL_API ALvoid AL_APIENTRY alDeleteFilters(ALsizei n, const ALuint *filters)
|
|
{
|
|
ALCdevice *device;
|
|
ALCcontext *context;
|
|
ALfilter *filter;
|
|
ALsizei i;
|
|
|
|
context = GetContextRef();
|
|
if(!context) return;
|
|
|
|
device = context->Device;
|
|
LockFilterList(device);
|
|
if(!(n >= 0))
|
|
SETERR_GOTO(context, AL_INVALID_VALUE, done, "Deleting %d filters", n);
|
|
for(i = 0;i < n;i++)
|
|
{
|
|
if(filters[i] && LookupFilter(device, filters[i]) == NULL)
|
|
SETERR_GOTO(context, AL_INVALID_NAME, done, "Invalid filter ID %u", filters[i]);
|
|
}
|
|
for(i = 0;i < n;i++)
|
|
{
|
|
if((filter=LookupFilter(device, filters[i])) != NULL)
|
|
FreeFilter(device, filter);
|
|
}
|
|
|
|
done:
|
|
UnlockFilterList(device);
|
|
ALCcontext_DecRef(context);
|
|
}
|
|
|
|
AL_API ALboolean AL_APIENTRY alIsFilter(ALuint filter)
|
|
{
|
|
ALCcontext *Context;
|
|
ALboolean result;
|
|
|
|
Context = GetContextRef();
|
|
if(!Context) return AL_FALSE;
|
|
|
|
LockFilterList(Context->Device);
|
|
result = ((!filter || LookupFilter(Context->Device, filter)) ?
|
|
AL_TRUE : AL_FALSE);
|
|
UnlockFilterList(Context->Device);
|
|
|
|
ALCcontext_DecRef(Context);
|
|
|
|
return result;
|
|
}
|
|
|
|
AL_API ALvoid AL_APIENTRY alFilteri(ALuint filter, ALenum param, ALint value)
|
|
{
|
|
ALCcontext *Context;
|
|
ALCdevice *Device;
|
|
ALfilter *ALFilter;
|
|
|
|
Context = GetContextRef();
|
|
if(!Context) return;
|
|
|
|
Device = Context->Device;
|
|
LockFilterList(Device);
|
|
if((ALFilter=LookupFilter(Device, filter)) == NULL)
|
|
alSetError(Context, AL_INVALID_NAME, "Invalid filter ID %u", filter);
|
|
else
|
|
{
|
|
if(param == AL_FILTER_TYPE)
|
|
{
|
|
if(value == AL_FILTER_NULL || value == AL_FILTER_LOWPASS ||
|
|
value == AL_FILTER_HIGHPASS || value == AL_FILTER_BANDPASS)
|
|
InitFilterParams(ALFilter, value);
|
|
else
|
|
alSetError(Context, AL_INVALID_VALUE, "Invalid filter type 0x%04x", value);
|
|
}
|
|
else
|
|
{
|
|
/* Call the appropriate handler */
|
|
ALfilter_setParami(ALFilter, Context, param, value);
|
|
}
|
|
}
|
|
UnlockFilterList(Device);
|
|
|
|
ALCcontext_DecRef(Context);
|
|
}
|
|
|
|
AL_API ALvoid AL_APIENTRY alFilteriv(ALuint filter, ALenum param, const ALint *values)
|
|
{
|
|
ALCcontext *Context;
|
|
ALCdevice *Device;
|
|
ALfilter *ALFilter;
|
|
|
|
switch(param)
|
|
{
|
|
case AL_FILTER_TYPE:
|
|
alFilteri(filter, param, values[0]);
|
|
return;
|
|
}
|
|
|
|
Context = GetContextRef();
|
|
if(!Context) return;
|
|
|
|
Device = Context->Device;
|
|
LockFilterList(Device);
|
|
if((ALFilter=LookupFilter(Device, filter)) == NULL)
|
|
alSetError(Context, AL_INVALID_NAME, "Invalid filter ID %u", filter);
|
|
else
|
|
{
|
|
/* Call the appropriate handler */
|
|
ALfilter_setParamiv(ALFilter, Context, param, values);
|
|
}
|
|
UnlockFilterList(Device);
|
|
|
|
ALCcontext_DecRef(Context);
|
|
}
|
|
|
|
AL_API ALvoid AL_APIENTRY alFilterf(ALuint filter, ALenum param, ALfloat value)
|
|
{
|
|
ALCcontext *Context;
|
|
ALCdevice *Device;
|
|
ALfilter *ALFilter;
|
|
|
|
Context = GetContextRef();
|
|
if(!Context) return;
|
|
|
|
Device = Context->Device;
|
|
LockFilterList(Device);
|
|
if((ALFilter=LookupFilter(Device, filter)) == NULL)
|
|
alSetError(Context, AL_INVALID_NAME, "Invalid filter ID %u", filter);
|
|
else
|
|
{
|
|
/* Call the appropriate handler */
|
|
ALfilter_setParamf(ALFilter, Context, param, value);
|
|
}
|
|
UnlockFilterList(Device);
|
|
|
|
ALCcontext_DecRef(Context);
|
|
}
|
|
|
|
AL_API ALvoid AL_APIENTRY alFilterfv(ALuint filter, ALenum param, const ALfloat *values)
|
|
{
|
|
ALCcontext *Context;
|
|
ALCdevice *Device;
|
|
ALfilter *ALFilter;
|
|
|
|
Context = GetContextRef();
|
|
if(!Context) return;
|
|
|
|
Device = Context->Device;
|
|
LockFilterList(Device);
|
|
if((ALFilter=LookupFilter(Device, filter)) == NULL)
|
|
alSetError(Context, AL_INVALID_NAME, "Invalid filter ID %u", filter);
|
|
else
|
|
{
|
|
/* Call the appropriate handler */
|
|
ALfilter_setParamfv(ALFilter, Context, param, values);
|
|
}
|
|
UnlockFilterList(Device);
|
|
|
|
ALCcontext_DecRef(Context);
|
|
}
|
|
|
|
AL_API ALvoid AL_APIENTRY alGetFilteri(ALuint filter, ALenum param, ALint *value)
|
|
{
|
|
ALCcontext *Context;
|
|
ALCdevice *Device;
|
|
ALfilter *ALFilter;
|
|
|
|
Context = GetContextRef();
|
|
if(!Context) return;
|
|
|
|
Device = Context->Device;
|
|
LockFilterList(Device);
|
|
if((ALFilter=LookupFilter(Device, filter)) == NULL)
|
|
alSetError(Context, AL_INVALID_NAME, "Invalid filter ID %u", filter);
|
|
else
|
|
{
|
|
if(param == AL_FILTER_TYPE)
|
|
*value = ALFilter->type;
|
|
else
|
|
{
|
|
/* Call the appropriate handler */
|
|
ALfilter_getParami(ALFilter, Context, param, value);
|
|
}
|
|
}
|
|
UnlockFilterList(Device);
|
|
|
|
ALCcontext_DecRef(Context);
|
|
}
|
|
|
|
AL_API ALvoid AL_APIENTRY alGetFilteriv(ALuint filter, ALenum param, ALint *values)
|
|
{
|
|
ALCcontext *Context;
|
|
ALCdevice *Device;
|
|
ALfilter *ALFilter;
|
|
|
|
switch(param)
|
|
{
|
|
case AL_FILTER_TYPE:
|
|
alGetFilteri(filter, param, values);
|
|
return;
|
|
}
|
|
|
|
Context = GetContextRef();
|
|
if(!Context) return;
|
|
|
|
Device = Context->Device;
|
|
LockFilterList(Device);
|
|
if((ALFilter=LookupFilter(Device, filter)) == NULL)
|
|
alSetError(Context, AL_INVALID_NAME, "Invalid filter ID %u", filter);
|
|
else
|
|
{
|
|
/* Call the appropriate handler */
|
|
ALfilter_getParamiv(ALFilter, Context, param, values);
|
|
}
|
|
UnlockFilterList(Device);
|
|
|
|
ALCcontext_DecRef(Context);
|
|
}
|
|
|
|
AL_API ALvoid AL_APIENTRY alGetFilterf(ALuint filter, ALenum param, ALfloat *value)
|
|
{
|
|
ALCcontext *Context;
|
|
ALCdevice *Device;
|
|
ALfilter *ALFilter;
|
|
|
|
Context = GetContextRef();
|
|
if(!Context) return;
|
|
|
|
Device = Context->Device;
|
|
LockFilterList(Device);
|
|
if((ALFilter=LookupFilter(Device, filter)) == NULL)
|
|
alSetError(Context, AL_INVALID_NAME, "Invalid filter ID %u", filter);
|
|
else
|
|
{
|
|
/* Call the appropriate handler */
|
|
ALfilter_getParamf(ALFilter, Context, param, value);
|
|
}
|
|
UnlockFilterList(Device);
|
|
|
|
ALCcontext_DecRef(Context);
|
|
}
|
|
|
|
AL_API ALvoid AL_APIENTRY alGetFilterfv(ALuint filter, ALenum param, ALfloat *values)
|
|
{
|
|
ALCcontext *Context;
|
|
ALCdevice *Device;
|
|
ALfilter *ALFilter;
|
|
|
|
Context = GetContextRef();
|
|
if(!Context) return;
|
|
|
|
Device = Context->Device;
|
|
LockFilterList(Device);
|
|
if((ALFilter=LookupFilter(Device, filter)) == NULL)
|
|
alSetError(Context, AL_INVALID_NAME, "Invalid filter ID %u", filter);
|
|
else
|
|
{
|
|
/* Call the appropriate handler */
|
|
ALfilter_getParamfv(ALFilter, Context, param, values);
|
|
}
|
|
UnlockFilterList(Device);
|
|
|
|
ALCcontext_DecRef(Context);
|
|
}
|
|
|
|
|
|
static void ALlowpass_setParami(ALfilter *UNUSED(filter), ALCcontext *context, ALenum param, ALint UNUSED(val))
|
|
{ alSetError(context, AL_INVALID_ENUM, "Invalid low-pass integer property 0x%04x", param); }
|
|
static void ALlowpass_setParamiv(ALfilter *UNUSED(filter), ALCcontext *context, ALenum param, const ALint *UNUSED(vals))
|
|
{ alSetError(context, AL_INVALID_ENUM, "Invalid low-pass integer-vector property 0x%04x", param); }
|
|
static void ALlowpass_setParamf(ALfilter *filter, ALCcontext *context, ALenum param, ALfloat val)
|
|
{
|
|
switch(param)
|
|
{
|
|
case AL_LOWPASS_GAIN:
|
|
if(!(val >= AL_LOWPASS_MIN_GAIN && val <= AL_LOWPASS_MAX_GAIN))
|
|
SETERR_RETURN(context, AL_INVALID_VALUE,, "Low-pass gain %f out of range", val);
|
|
filter->Gain = val;
|
|
break;
|
|
|
|
case AL_LOWPASS_GAINHF:
|
|
if(!(val >= AL_LOWPASS_MIN_GAINHF && val <= AL_LOWPASS_MAX_GAINHF))
|
|
SETERR_RETURN(context, AL_INVALID_VALUE,, "Low-pass gainhf %f out of range", val);
|
|
filter->GainHF = val;
|
|
break;
|
|
|
|
default:
|
|
alSetError(context, AL_INVALID_ENUM, "Invalid low-pass float property 0x%04x", param);
|
|
}
|
|
}
|
|
static void ALlowpass_setParamfv(ALfilter *filter, ALCcontext *context, ALenum param, const ALfloat *vals)
|
|
{ ALlowpass_setParamf(filter, context, param, vals[0]); }
|
|
|
|
static void ALlowpass_getParami(ALfilter *UNUSED(filter), ALCcontext *context, ALenum param, ALint *UNUSED(val))
|
|
{ alSetError(context, AL_INVALID_ENUM, "Invalid low-pass integer property 0x%04x", param); }
|
|
static void ALlowpass_getParamiv(ALfilter *UNUSED(filter), ALCcontext *context, ALenum param, ALint *UNUSED(vals))
|
|
{ alSetError(context, AL_INVALID_ENUM, "Invalid low-pass integer-vector property 0x%04x", param); }
|
|
static void ALlowpass_getParamf(ALfilter *filter, ALCcontext *context, ALenum param, ALfloat *val)
|
|
{
|
|
switch(param)
|
|
{
|
|
case AL_LOWPASS_GAIN:
|
|
*val = filter->Gain;
|
|
break;
|
|
|
|
case AL_LOWPASS_GAINHF:
|
|
*val = filter->GainHF;
|
|
break;
|
|
|
|
default:
|
|
alSetError(context, AL_INVALID_ENUM, "Invalid low-pass float property 0x%04x", param);
|
|
}
|
|
}
|
|
static void ALlowpass_getParamfv(ALfilter *filter, ALCcontext *context, ALenum param, ALfloat *vals)
|
|
{ ALlowpass_getParamf(filter, context, param, vals); }
|
|
|
|
DEFINE_ALFILTER_VTABLE(ALlowpass);
|
|
|
|
|
|
static void ALhighpass_setParami(ALfilter *UNUSED(filter), ALCcontext *context, ALenum param, ALint UNUSED(val))
|
|
{ alSetError(context, AL_INVALID_ENUM, "Invalid high-pass integer property 0x%04x", param); }
|
|
static void ALhighpass_setParamiv(ALfilter *UNUSED(filter), ALCcontext *context, ALenum param, const ALint *UNUSED(vals))
|
|
{ alSetError(context, AL_INVALID_ENUM, "Invalid high-pass integer-vector property 0x%04x", param); }
|
|
static void ALhighpass_setParamf(ALfilter *filter, ALCcontext *context, ALenum param, ALfloat val)
|
|
{
|
|
switch(param)
|
|
{
|
|
case AL_HIGHPASS_GAIN:
|
|
if(!(val >= AL_HIGHPASS_MIN_GAIN && val <= AL_HIGHPASS_MAX_GAIN))
|
|
SETERR_RETURN(context, AL_INVALID_VALUE,, "High-pass gain out of range");
|
|
filter->Gain = val;
|
|
break;
|
|
|
|
case AL_HIGHPASS_GAINLF:
|
|
if(!(val >= AL_HIGHPASS_MIN_GAINLF && val <= AL_HIGHPASS_MAX_GAINLF))
|
|
SETERR_RETURN(context, AL_INVALID_VALUE,, "High-pass gainlf out of range");
|
|
filter->GainLF = val;
|
|
break;
|
|
|
|
default:
|
|
alSetError(context, AL_INVALID_ENUM, "Invalid high-pass float property 0x%04x", param);
|
|
}
|
|
}
|
|
static void ALhighpass_setParamfv(ALfilter *filter, ALCcontext *context, ALenum param, const ALfloat *vals)
|
|
{ ALhighpass_setParamf(filter, context, param, vals[0]); }
|
|
|
|
static void ALhighpass_getParami(ALfilter *UNUSED(filter), ALCcontext *context, ALenum param, ALint *UNUSED(val))
|
|
{ alSetError(context, AL_INVALID_ENUM, "Invalid high-pass integer property 0x%04x", param); }
|
|
static void ALhighpass_getParamiv(ALfilter *UNUSED(filter), ALCcontext *context, ALenum param, ALint *UNUSED(vals))
|
|
{ alSetError(context, AL_INVALID_ENUM, "Invalid high-pass integer-vector property 0x%04x", param); }
|
|
static void ALhighpass_getParamf(ALfilter *filter, ALCcontext *context, ALenum param, ALfloat *val)
|
|
{
|
|
switch(param)
|
|
{
|
|
case AL_HIGHPASS_GAIN:
|
|
*val = filter->Gain;
|
|
break;
|
|
|
|
case AL_HIGHPASS_GAINLF:
|
|
*val = filter->GainLF;
|
|
break;
|
|
|
|
default:
|
|
alSetError(context, AL_INVALID_ENUM, "Invalid high-pass float property 0x%04x", param);
|
|
}
|
|
}
|
|
static void ALhighpass_getParamfv(ALfilter *filter, ALCcontext *context, ALenum param, ALfloat *vals)
|
|
{ ALhighpass_getParamf(filter, context, param, vals); }
|
|
|
|
DEFINE_ALFILTER_VTABLE(ALhighpass);
|
|
|
|
|
|
static void ALbandpass_setParami(ALfilter *UNUSED(filter), ALCcontext *context, ALenum param, ALint UNUSED(val))
|
|
{ alSetError(context, AL_INVALID_ENUM, "Invalid band-pass integer property 0x%04x", param); }
|
|
static void ALbandpass_setParamiv(ALfilter *UNUSED(filter), ALCcontext *context, ALenum param, const ALint *UNUSED(vals))
|
|
{ alSetError(context, AL_INVALID_ENUM, "Invalid band-pass integer-vector property 0x%04x", param); }
|
|
static void ALbandpass_setParamf(ALfilter *filter, ALCcontext *context, ALenum param, ALfloat val)
|
|
{
|
|
switch(param)
|
|
{
|
|
case AL_BANDPASS_GAIN:
|
|
if(!(val >= AL_BANDPASS_MIN_GAIN && val <= AL_BANDPASS_MAX_GAIN))
|
|
SETERR_RETURN(context, AL_INVALID_VALUE,, "Band-pass gain out of range");
|
|
filter->Gain = val;
|
|
break;
|
|
|
|
case AL_BANDPASS_GAINHF:
|
|
if(!(val >= AL_BANDPASS_MIN_GAINHF && val <= AL_BANDPASS_MAX_GAINHF))
|
|
SETERR_RETURN(context, AL_INVALID_VALUE,, "Band-pass gainhf out of range");
|
|
filter->GainHF = val;
|
|
break;
|
|
|
|
case AL_BANDPASS_GAINLF:
|
|
if(!(val >= AL_BANDPASS_MIN_GAINLF && val <= AL_BANDPASS_MAX_GAINLF))
|
|
SETERR_RETURN(context, AL_INVALID_VALUE,, "Band-pass gainlf out of range");
|
|
filter->GainLF = val;
|
|
break;
|
|
|
|
default:
|
|
alSetError(context, AL_INVALID_ENUM, "Invalid band-pass float property 0x%04x", param);
|
|
}
|
|
}
|
|
static void ALbandpass_setParamfv(ALfilter *filter, ALCcontext *context, ALenum param, const ALfloat *vals)
|
|
{ ALbandpass_setParamf(filter, context, param, vals[0]); }
|
|
|
|
static void ALbandpass_getParami(ALfilter *UNUSED(filter), ALCcontext *context, ALenum param, ALint *UNUSED(val))
|
|
{ alSetError(context, AL_INVALID_ENUM, "Invalid band-pass integer property 0x%04x", param); }
|
|
static void ALbandpass_getParamiv(ALfilter *UNUSED(filter), ALCcontext *context, ALenum param, ALint *UNUSED(vals))
|
|
{ alSetError(context, AL_INVALID_ENUM, "Invalid band-pass integer-vector property 0x%04x", param); }
|
|
static void ALbandpass_getParamf(ALfilter *filter, ALCcontext *context, ALenum param, ALfloat *val)
|
|
{
|
|
switch(param)
|
|
{
|
|
case AL_BANDPASS_GAIN:
|
|
*val = filter->Gain;
|
|
break;
|
|
|
|
case AL_BANDPASS_GAINHF:
|
|
*val = filter->GainHF;
|
|
break;
|
|
|
|
case AL_BANDPASS_GAINLF:
|
|
*val = filter->GainLF;
|
|
break;
|
|
|
|
default:
|
|
alSetError(context, AL_INVALID_ENUM, "Invalid band-pass float property 0x%04x", param);
|
|
}
|
|
}
|
|
static void ALbandpass_getParamfv(ALfilter *filter, ALCcontext *context, ALenum param, ALfloat *vals)
|
|
{ ALbandpass_getParamf(filter, context, param, vals); }
|
|
|
|
DEFINE_ALFILTER_VTABLE(ALbandpass);
|
|
|
|
|
|
static void ALnullfilter_setParami(ALfilter *UNUSED(filter), ALCcontext *context, ALenum param, ALint UNUSED(val))
|
|
{ alSetError(context, AL_INVALID_ENUM, "Invalid null filter property 0x%04x", param); }
|
|
static void ALnullfilter_setParamiv(ALfilter *UNUSED(filter), ALCcontext *context, ALenum param, const ALint *UNUSED(vals))
|
|
{ alSetError(context, AL_INVALID_ENUM, "Invalid null filter property 0x%04x", param); }
|
|
static void ALnullfilter_setParamf(ALfilter *UNUSED(filter), ALCcontext *context, ALenum param, ALfloat UNUSED(val))
|
|
{ alSetError(context, AL_INVALID_ENUM, "Invalid null filter property 0x%04x", param); }
|
|
static void ALnullfilter_setParamfv(ALfilter *UNUSED(filter), ALCcontext *context, ALenum param, const ALfloat *UNUSED(vals))
|
|
{ alSetError(context, AL_INVALID_ENUM, "Invalid null filter property 0x%04x", param); }
|
|
|
|
static void ALnullfilter_getParami(ALfilter *UNUSED(filter), ALCcontext *context, ALenum param, ALint *UNUSED(val))
|
|
{ alSetError(context, AL_INVALID_ENUM, "Invalid null filter property 0x%04x", param); }
|
|
static void ALnullfilter_getParamiv(ALfilter *UNUSED(filter), ALCcontext *context, ALenum param, ALint *UNUSED(vals))
|
|
{ alSetError(context, AL_INVALID_ENUM, "Invalid null filter property 0x%04x", param); }
|
|
static void ALnullfilter_getParamf(ALfilter *UNUSED(filter), ALCcontext *context, ALenum param, ALfloat *UNUSED(val))
|
|
{ alSetError(context, AL_INVALID_ENUM, "Invalid null filter property 0x%04x", param); }
|
|
static void ALnullfilter_getParamfv(ALfilter *UNUSED(filter), ALCcontext *context, ALenum param, ALfloat *UNUSED(vals))
|
|
{ alSetError(context, AL_INVALID_ENUM, "Invalid null filter property 0x%04x", param); }
|
|
|
|
DEFINE_ALFILTER_VTABLE(ALnullfilter);
|
|
|
|
|
|
static ALfilter *AllocFilter(ALCcontext *context)
|
|
{
|
|
ALCdevice *device = context->Device;
|
|
FilterSubList *sublist, *subend;
|
|
ALfilter *filter = NULL;
|
|
ALsizei lidx = 0;
|
|
ALsizei slidx;
|
|
|
|
almtx_lock(&device->FilterLock);
|
|
sublist = VECTOR_BEGIN(device->FilterList);
|
|
subend = VECTOR_END(device->FilterList);
|
|
for(;sublist != subend;++sublist)
|
|
{
|
|
if(sublist->FreeMask)
|
|
{
|
|
slidx = CTZ64(sublist->FreeMask);
|
|
filter = sublist->Filters + slidx;
|
|
break;
|
|
}
|
|
++lidx;
|
|
}
|
|
if(UNLIKELY(!filter))
|
|
{
|
|
const FilterSubList empty_sublist = { 0, NULL };
|
|
/* Don't allocate so many list entries that the 32-bit ID could
|
|
* overflow...
|
|
*/
|
|
if(UNLIKELY(VECTOR_SIZE(device->FilterList) >= 1<<25))
|
|
{
|
|
almtx_unlock(&device->FilterLock);
|
|
alSetError(context, AL_OUT_OF_MEMORY, "Too many filters allocated");
|
|
return NULL;
|
|
}
|
|
lidx = (ALsizei)VECTOR_SIZE(device->FilterList);
|
|
VECTOR_PUSH_BACK(device->FilterList, empty_sublist);
|
|
sublist = &VECTOR_BACK(device->FilterList);
|
|
sublist->FreeMask = ~U64(0);
|
|
sublist->Filters = al_calloc(16, sizeof(ALfilter)*64);
|
|
if(UNLIKELY(!sublist->Filters))
|
|
{
|
|
VECTOR_POP_BACK(device->FilterList);
|
|
almtx_unlock(&device->FilterLock);
|
|
alSetError(context, AL_OUT_OF_MEMORY, "Failed to allocate filter batch");
|
|
return NULL;
|
|
}
|
|
|
|
slidx = 0;
|
|
filter = sublist->Filters + slidx;
|
|
}
|
|
|
|
memset(filter, 0, sizeof(*filter));
|
|
InitFilterParams(filter, AL_FILTER_NULL);
|
|
|
|
/* Add 1 to avoid filter ID 0. */
|
|
filter->id = ((lidx<<6) | slidx) + 1;
|
|
|
|
sublist->FreeMask &= ~(U64(1)<<slidx);
|
|
almtx_unlock(&device->FilterLock);
|
|
|
|
return filter;
|
|
}
|
|
|
|
static void FreeFilter(ALCdevice *device, ALfilter *filter)
|
|
{
|
|
ALuint id = filter->id - 1;
|
|
ALsizei lidx = id >> 6;
|
|
ALsizei slidx = id & 0x3f;
|
|
|
|
memset(filter, 0, sizeof(*filter));
|
|
|
|
VECTOR_ELEM(device->FilterList, lidx).FreeMask |= U64(1) << slidx;
|
|
}
|
|
|
|
void ReleaseALFilters(ALCdevice *device)
|
|
{
|
|
FilterSubList *sublist = VECTOR_BEGIN(device->FilterList);
|
|
FilterSubList *subend = VECTOR_END(device->FilterList);
|
|
size_t leftover = 0;
|
|
for(;sublist != subend;++sublist)
|
|
{
|
|
ALuint64 usemask = ~sublist->FreeMask;
|
|
while(usemask)
|
|
{
|
|
ALsizei idx = CTZ64(usemask);
|
|
ALfilter *filter = sublist->Filters + idx;
|
|
|
|
memset(filter, 0, sizeof(*filter));
|
|
++leftover;
|
|
|
|
usemask &= ~(U64(1) << idx);
|
|
}
|
|
sublist->FreeMask = ~usemask;
|
|
}
|
|
if(leftover > 0)
|
|
WARN("(%p) Deleted "SZFMT" Filter%s\n", device, leftover, (leftover==1)?"":"s");
|
|
}
|
|
|
|
|
|
static void InitFilterParams(ALfilter *filter, ALenum type)
|
|
{
|
|
if(type == AL_FILTER_LOWPASS)
|
|
{
|
|
filter->Gain = AL_LOWPASS_DEFAULT_GAIN;
|
|
filter->GainHF = AL_LOWPASS_DEFAULT_GAINHF;
|
|
filter->HFReference = LOWPASSFREQREF;
|
|
filter->GainLF = 1.0f;
|
|
filter->LFReference = HIGHPASSFREQREF;
|
|
filter->vtab = &ALlowpass_vtable;
|
|
}
|
|
else if(type == AL_FILTER_HIGHPASS)
|
|
{
|
|
filter->Gain = AL_HIGHPASS_DEFAULT_GAIN;
|
|
filter->GainHF = 1.0f;
|
|
filter->HFReference = LOWPASSFREQREF;
|
|
filter->GainLF = AL_HIGHPASS_DEFAULT_GAINLF;
|
|
filter->LFReference = HIGHPASSFREQREF;
|
|
filter->vtab = &ALhighpass_vtable;
|
|
}
|
|
else if(type == AL_FILTER_BANDPASS)
|
|
{
|
|
filter->Gain = AL_BANDPASS_DEFAULT_GAIN;
|
|
filter->GainHF = AL_BANDPASS_DEFAULT_GAINHF;
|
|
filter->HFReference = LOWPASSFREQREF;
|
|
filter->GainLF = AL_BANDPASS_DEFAULT_GAINLF;
|
|
filter->LFReference = HIGHPASSFREQREF;
|
|
filter->vtab = &ALbandpass_vtable;
|
|
}
|
|
else
|
|
{
|
|
filter->Gain = 1.0f;
|
|
filter->GainHF = 1.0f;
|
|
filter->HFReference = LOWPASSFREQREF;
|
|
filter->GainLF = 1.0f;
|
|
filter->LFReference = HIGHPASSFREQREF;
|
|
filter->vtab = &ALnullfilter_vtable;
|
|
}
|
|
filter->type = type;
|
|
}
|