diff options
Diffstat (limited to 'OpenAL32/alFilter.c')
| -rw-r--r-- | OpenAL32/alFilter.c | 671 |
1 files changed, 0 insertions, 671 deletions
diff --git a/OpenAL32/alFilter.c b/OpenAL32/alFilter.c deleted file mode 100644 index e57653e0..00000000 --- a/OpenAL32/alFilter.c +++ /dev/null @@ -1,671 +0,0 @@ -/** - * 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" - - -#define FILTER_MIN_GAIN 0.0f -#define FILTER_MAX_GAIN 4.0f /* +12dB */ - -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 >= FILTER_MIN_GAIN && val <= FILTER_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 >= FILTER_MIN_GAIN && val <= FILTER_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 >= FILTER_MIN_GAIN && val <= FILTER_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; -} |