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717 lines
22 KiB
717 lines
22 KiB
/**
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* OpenAL cross platform audio library
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* Copyright (C) 1999-2007 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 "filter.h"
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#include <algorithm>
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#include <cstdarg>
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#include <cstdint>
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#include <cstdio>
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#include <iterator>
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#include <memory>
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#include <mutex>
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#include <new>
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#include <numeric>
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#include "AL/al.h"
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#include "AL/alc.h"
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#include "AL/efx.h"
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#include "albit.h"
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#include "alc/context.h"
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#include "alc/device.h"
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#include "almalloc.h"
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#include "alnumeric.h"
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#include "core/except.h"
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#include "opthelpers.h"
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#include "vector.h"
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namespace {
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class filter_exception final : public al::base_exception {
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ALenum mErrorCode;
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public:
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#ifdef __USE_MINGW_ANSI_STDIO
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[[gnu::format(gnu_printf, 3, 4)]]
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#else
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[[gnu::format(printf, 3, 4)]]
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#endif
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filter_exception(ALenum code, const char *msg, ...) : mErrorCode{code}
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{
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std::va_list args;
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va_start(args, msg);
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setMessage(msg, args);
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va_end(args);
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}
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ALenum errorCode() const noexcept { return mErrorCode; }
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};
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#define DEFINE_ALFILTER_VTABLE(T) \
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const ALfilter::Vtable T##_vtable = { \
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T##_setParami, T##_setParamiv, T##_setParamf, T##_setParamfv, \
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T##_getParami, T##_getParamiv, T##_getParamf, T##_getParamfv, \
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}
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void ALlowpass_setParami(ALfilter*, ALenum param, int)
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{ throw filter_exception{AL_INVALID_ENUM, "Invalid low-pass integer property 0x%04x", param}; }
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void ALlowpass_setParamiv(ALfilter*, ALenum param, const int*)
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{
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throw filter_exception{AL_INVALID_ENUM, "Invalid low-pass integer-vector property 0x%04x",
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param};
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}
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void ALlowpass_setParamf(ALfilter *filter, ALenum param, float val)
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{
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switch(param)
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{
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case AL_LOWPASS_GAIN:
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if(!(val >= AL_LOWPASS_MIN_GAIN && val <= AL_LOWPASS_MAX_GAIN))
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throw filter_exception{AL_INVALID_VALUE, "Low-pass gain %f out of range", val};
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filter->Gain = val;
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break;
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case AL_LOWPASS_GAINHF:
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if(!(val >= AL_LOWPASS_MIN_GAINHF && val <= AL_LOWPASS_MAX_GAINHF))
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throw filter_exception{AL_INVALID_VALUE, "Low-pass gainhf %f out of range", val};
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filter->GainHF = val;
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break;
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default:
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throw filter_exception{AL_INVALID_ENUM, "Invalid low-pass float property 0x%04x", param};
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}
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}
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void ALlowpass_setParamfv(ALfilter *filter, ALenum param, const float *vals)
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{ ALlowpass_setParamf(filter, param, vals[0]); }
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void ALlowpass_getParami(const ALfilter*, ALenum param, int*)
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{ throw filter_exception{AL_INVALID_ENUM, "Invalid low-pass integer property 0x%04x", param}; }
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void ALlowpass_getParamiv(const ALfilter*, ALenum param, int*)
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{
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throw filter_exception{AL_INVALID_ENUM, "Invalid low-pass integer-vector property 0x%04x",
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param};
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}
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void ALlowpass_getParamf(const ALfilter *filter, ALenum param, float *val)
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{
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switch(param)
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{
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case AL_LOWPASS_GAIN:
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*val = filter->Gain;
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break;
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case AL_LOWPASS_GAINHF:
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*val = filter->GainHF;
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break;
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default:
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throw filter_exception{AL_INVALID_ENUM, "Invalid low-pass float property 0x%04x", param};
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}
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}
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void ALlowpass_getParamfv(const ALfilter *filter, ALenum param, float *vals)
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{ ALlowpass_getParamf(filter, param, vals); }
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DEFINE_ALFILTER_VTABLE(ALlowpass);
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void ALhighpass_setParami(ALfilter*, ALenum param, int)
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{ throw filter_exception{AL_INVALID_ENUM, "Invalid high-pass integer property 0x%04x", param}; }
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void ALhighpass_setParamiv(ALfilter*, ALenum param, const int*)
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{
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throw filter_exception{AL_INVALID_ENUM, "Invalid high-pass integer-vector property 0x%04x",
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param};
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}
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void ALhighpass_setParamf(ALfilter *filter, ALenum param, float val)
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{
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switch(param)
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{
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case AL_HIGHPASS_GAIN:
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if(!(val >= AL_HIGHPASS_MIN_GAIN && val <= AL_HIGHPASS_MAX_GAIN))
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throw filter_exception{AL_INVALID_VALUE, "High-pass gain %f out of range", val};
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filter->Gain = val;
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break;
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case AL_HIGHPASS_GAINLF:
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if(!(val >= AL_HIGHPASS_MIN_GAINLF && val <= AL_HIGHPASS_MAX_GAINLF))
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throw filter_exception{AL_INVALID_VALUE, "High-pass gainlf %f out of range", val};
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filter->GainLF = val;
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break;
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default:
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throw filter_exception{AL_INVALID_ENUM, "Invalid high-pass float property 0x%04x", param};
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}
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}
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void ALhighpass_setParamfv(ALfilter *filter, ALenum param, const float *vals)
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{ ALhighpass_setParamf(filter, param, vals[0]); }
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void ALhighpass_getParami(const ALfilter*, ALenum param, int*)
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{ throw filter_exception{AL_INVALID_ENUM, "Invalid high-pass integer property 0x%04x", param}; }
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void ALhighpass_getParamiv(const ALfilter*, ALenum param, int*)
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{
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throw filter_exception{AL_INVALID_ENUM, "Invalid high-pass integer-vector property 0x%04x",
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param};
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}
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void ALhighpass_getParamf(const ALfilter *filter, ALenum param, float *val)
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{
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switch(param)
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{
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case AL_HIGHPASS_GAIN:
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*val = filter->Gain;
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break;
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case AL_HIGHPASS_GAINLF:
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*val = filter->GainLF;
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break;
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default:
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throw filter_exception{AL_INVALID_ENUM, "Invalid high-pass float property 0x%04x", param};
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}
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}
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void ALhighpass_getParamfv(const ALfilter *filter, ALenum param, float *vals)
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{ ALhighpass_getParamf(filter, param, vals); }
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DEFINE_ALFILTER_VTABLE(ALhighpass);
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void ALbandpass_setParami(ALfilter*, ALenum param, int)
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{ throw filter_exception{AL_INVALID_ENUM, "Invalid band-pass integer property 0x%04x", param}; }
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void ALbandpass_setParamiv(ALfilter*, ALenum param, const int*)
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{
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throw filter_exception{AL_INVALID_ENUM, "Invalid band-pass integer-vector property 0x%04x",
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param};
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}
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void ALbandpass_setParamf(ALfilter *filter, ALenum param, float val)
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{
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switch(param)
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{
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case AL_BANDPASS_GAIN:
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if(!(val >= AL_BANDPASS_MIN_GAIN && val <= AL_BANDPASS_MAX_GAIN))
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throw filter_exception{AL_INVALID_VALUE, "Band-pass gain %f out of range", val};
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filter->Gain = val;
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break;
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case AL_BANDPASS_GAINHF:
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if(!(val >= AL_BANDPASS_MIN_GAINHF && val <= AL_BANDPASS_MAX_GAINHF))
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throw filter_exception{AL_INVALID_VALUE, "Band-pass gainhf %f out of range", val};
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filter->GainHF = val;
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break;
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case AL_BANDPASS_GAINLF:
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if(!(val >= AL_BANDPASS_MIN_GAINLF && val <= AL_BANDPASS_MAX_GAINLF))
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throw filter_exception{AL_INVALID_VALUE, "Band-pass gainlf %f out of range", val};
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filter->GainLF = val;
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break;
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default:
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throw filter_exception{AL_INVALID_ENUM, "Invalid band-pass float property 0x%04x", param};
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}
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}
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void ALbandpass_setParamfv(ALfilter *filter, ALenum param, const float *vals)
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{ ALbandpass_setParamf(filter, param, vals[0]); }
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void ALbandpass_getParami(const ALfilter*, ALenum param, int*)
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{ throw filter_exception{AL_INVALID_ENUM, "Invalid band-pass integer property 0x%04x", param}; }
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void ALbandpass_getParamiv(const ALfilter*, ALenum param, int*)
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{
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throw filter_exception{AL_INVALID_ENUM, "Invalid band-pass integer-vector property 0x%04x",
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param};
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}
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void ALbandpass_getParamf(const ALfilter *filter, ALenum param, float *val)
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{
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switch(param)
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{
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case AL_BANDPASS_GAIN:
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*val = filter->Gain;
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break;
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case AL_BANDPASS_GAINHF:
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*val = filter->GainHF;
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break;
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case AL_BANDPASS_GAINLF:
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*val = filter->GainLF;
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break;
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default:
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throw filter_exception{AL_INVALID_ENUM, "Invalid band-pass float property 0x%04x", param};
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}
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}
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void ALbandpass_getParamfv(const ALfilter *filter, ALenum param, float *vals)
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{ ALbandpass_getParamf(filter, param, vals); }
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DEFINE_ALFILTER_VTABLE(ALbandpass);
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void ALnullfilter_setParami(ALfilter*, ALenum param, int)
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{ throw filter_exception{AL_INVALID_ENUM, "Invalid null filter property 0x%04x", param}; }
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void ALnullfilter_setParamiv(ALfilter*, ALenum param, const int*)
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{ throw filter_exception{AL_INVALID_ENUM, "Invalid null filter property 0x%04x", param}; }
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void ALnullfilter_setParamf(ALfilter*, ALenum param, float)
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{ throw filter_exception{AL_INVALID_ENUM, "Invalid null filter property 0x%04x", param}; }
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void ALnullfilter_setParamfv(ALfilter*, ALenum param, const float*)
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{ throw filter_exception{AL_INVALID_ENUM, "Invalid null filter property 0x%04x", param}; }
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void ALnullfilter_getParami(const ALfilter*, ALenum param, int*)
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{ throw filter_exception{AL_INVALID_ENUM, "Invalid null filter property 0x%04x", param}; }
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void ALnullfilter_getParamiv(const ALfilter*, ALenum param, int*)
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{ throw filter_exception{AL_INVALID_ENUM, "Invalid null filter property 0x%04x", param}; }
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void ALnullfilter_getParamf(const ALfilter*, ALenum param, float*)
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{ throw filter_exception{AL_INVALID_ENUM, "Invalid null filter property 0x%04x", param}; }
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void ALnullfilter_getParamfv(const ALfilter*, ALenum param, float*)
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{ throw filter_exception{AL_INVALID_ENUM, "Invalid null filter property 0x%04x", param}; }
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DEFINE_ALFILTER_VTABLE(ALnullfilter);
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void InitFilterParams(ALfilter *filter, ALenum type)
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{
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if(type == AL_FILTER_LOWPASS)
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{
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filter->Gain = AL_LOWPASS_DEFAULT_GAIN;
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filter->GainHF = AL_LOWPASS_DEFAULT_GAINHF;
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filter->HFReference = LOWPASSFREQREF;
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filter->GainLF = 1.0f;
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filter->LFReference = HIGHPASSFREQREF;
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filter->vtab = &ALlowpass_vtable;
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}
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else if(type == AL_FILTER_HIGHPASS)
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{
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filter->Gain = AL_HIGHPASS_DEFAULT_GAIN;
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filter->GainHF = 1.0f;
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filter->HFReference = LOWPASSFREQREF;
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filter->GainLF = AL_HIGHPASS_DEFAULT_GAINLF;
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filter->LFReference = HIGHPASSFREQREF;
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filter->vtab = &ALhighpass_vtable;
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}
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else if(type == AL_FILTER_BANDPASS)
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{
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filter->Gain = AL_BANDPASS_DEFAULT_GAIN;
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filter->GainHF = AL_BANDPASS_DEFAULT_GAINHF;
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filter->HFReference = LOWPASSFREQREF;
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filter->GainLF = AL_BANDPASS_DEFAULT_GAINLF;
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filter->LFReference = HIGHPASSFREQREF;
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filter->vtab = &ALbandpass_vtable;
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}
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else
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{
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filter->Gain = 1.0f;
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filter->GainHF = 1.0f;
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filter->HFReference = LOWPASSFREQREF;
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filter->GainLF = 1.0f;
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filter->LFReference = HIGHPASSFREQREF;
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filter->vtab = &ALnullfilter_vtable;
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}
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filter->type = type;
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}
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bool EnsureFilters(ALCdevice *device, size_t needed)
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{
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size_t count{std::accumulate(device->FilterList.cbegin(), device->FilterList.cend(), size_t{0},
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[](size_t cur, const FilterSubList &sublist) noexcept -> size_t
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{ return cur + static_cast<ALuint>(al::popcount(sublist.FreeMask)); })};
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while(needed > count)
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{
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if UNLIKELY(device->FilterList.size() >= 1<<25)
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return false;
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device->FilterList.emplace_back();
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auto sublist = device->FilterList.end() - 1;
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sublist->FreeMask = ~0_u64;
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sublist->Filters = static_cast<ALfilter*>(al_calloc(alignof(ALfilter), sizeof(ALfilter)*64));
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if UNLIKELY(!sublist->Filters)
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{
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device->FilterList.pop_back();
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return false;
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}
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count += 64;
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}
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return true;
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}
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ALfilter *AllocFilter(ALCdevice *device)
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{
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auto sublist = std::find_if(device->FilterList.begin(), device->FilterList.end(),
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[](const FilterSubList &entry) noexcept -> bool
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{ return entry.FreeMask != 0; });
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auto lidx = static_cast<ALuint>(std::distance(device->FilterList.begin(), sublist));
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auto slidx = static_cast<ALuint>(al::countr_zero(sublist->FreeMask));
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ASSUME(slidx < 64);
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ALfilter *filter{al::construct_at(sublist->Filters + slidx)};
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InitFilterParams(filter, AL_FILTER_NULL);
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/* Add 1 to avoid filter ID 0. */
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filter->id = ((lidx<<6) | slidx) + 1;
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sublist->FreeMask &= ~(1_u64 << slidx);
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return filter;
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}
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void FreeFilter(ALCdevice *device, ALfilter *filter)
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{
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const ALuint id{filter->id - 1};
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const size_t lidx{id >> 6};
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const ALuint slidx{id & 0x3f};
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al::destroy_at(filter);
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device->FilterList[lidx].FreeMask |= 1_u64 << slidx;
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}
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inline ALfilter *LookupFilter(ALCdevice *device, ALuint id)
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{
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const size_t lidx{(id-1) >> 6};
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const ALuint slidx{(id-1) & 0x3f};
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if UNLIKELY(lidx >= device->FilterList.size())
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return nullptr;
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FilterSubList &sublist = device->FilterList[lidx];
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if UNLIKELY(sublist.FreeMask & (1_u64 << slidx))
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return nullptr;
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return sublist.Filters + slidx;
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}
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} // namespace
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AL_API void AL_APIENTRY alGenFilters(ALsizei n, ALuint *filters)
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START_API_FUNC
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{
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ContextRef context{GetContextRef()};
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if UNLIKELY(!context) return;
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if UNLIKELY(n < 0)
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context->setError(AL_INVALID_VALUE, "Generating %d filters", n);
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if UNLIKELY(n <= 0) return;
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ALCdevice *device{context->mALDevice.get()};
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std::lock_guard<std::mutex> _{device->FilterLock};
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if(!EnsureFilters(device, static_cast<ALuint>(n)))
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{
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context->setError(AL_OUT_OF_MEMORY, "Failed to allocate %d filter%s", n, (n==1)?"":"s");
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return;
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}
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if LIKELY(n == 1)
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{
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/* Special handling for the easy and normal case. */
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ALfilter *filter{AllocFilter(device)};
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if(filter) filters[0] = filter->id;
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}
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else
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{
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/* Store the allocated buffer IDs in a separate local list, to avoid
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* modifying the user storage in case of failure.
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*/
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al::vector<ALuint> ids;
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ids.reserve(static_cast<ALuint>(n));
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do {
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ALfilter *filter{AllocFilter(device)};
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ids.emplace_back(filter->id);
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} while(--n);
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std::copy(ids.begin(), ids.end(), filters);
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}
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}
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END_API_FUNC
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AL_API void AL_APIENTRY alDeleteFilters(ALsizei n, const ALuint *filters)
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START_API_FUNC
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{
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ContextRef context{GetContextRef()};
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if UNLIKELY(!context) return;
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if UNLIKELY(n < 0)
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context->setError(AL_INVALID_VALUE, "Deleting %d filters", n);
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if UNLIKELY(n <= 0) return;
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ALCdevice *device{context->mALDevice.get()};
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std::lock_guard<std::mutex> _{device->FilterLock};
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/* First try to find any filters that are invalid. */
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auto validate_filter = [device](const ALuint fid) -> bool
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{ return !fid || LookupFilter(device, fid) != nullptr; };
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const ALuint *filters_end = filters + n;
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auto invflt = std::find_if_not(filters, filters_end, validate_filter);
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if UNLIKELY(invflt != filters_end)
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{
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context->setError(AL_INVALID_NAME, "Invalid filter ID %u", *invflt);
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return;
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}
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/* All good. Delete non-0 filter IDs. */
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auto delete_filter = [device](const ALuint fid) -> void
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{
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ALfilter *filter{fid ? LookupFilter(device, fid) : nullptr};
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if(filter) FreeFilter(device, filter);
|
|
};
|
|
std::for_each(filters, filters_end, delete_filter);
|
|
}
|
|
END_API_FUNC
|
|
|
|
AL_API ALboolean AL_APIENTRY alIsFilter(ALuint filter)
|
|
START_API_FUNC
|
|
{
|
|
ContextRef context{GetContextRef()};
|
|
if LIKELY(context)
|
|
{
|
|
ALCdevice *device{context->mALDevice.get()};
|
|
std::lock_guard<std::mutex> _{device->FilterLock};
|
|
if(!filter || LookupFilter(device, filter))
|
|
return AL_TRUE;
|
|
}
|
|
return AL_FALSE;
|
|
}
|
|
END_API_FUNC
|
|
|
|
|
|
AL_API void AL_APIENTRY alFilteri(ALuint filter, ALenum param, ALint value)
|
|
START_API_FUNC
|
|
{
|
|
ContextRef context{GetContextRef()};
|
|
if UNLIKELY(!context) return;
|
|
|
|
ALCdevice *device{context->mALDevice.get()};
|
|
std::lock_guard<std::mutex> _{device->FilterLock};
|
|
|
|
ALfilter *alfilt{LookupFilter(device, filter)};
|
|
if UNLIKELY(!alfilt)
|
|
context->setError(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(alfilt, value);
|
|
else
|
|
context->setError(AL_INVALID_VALUE, "Invalid filter type 0x%04x", value);
|
|
}
|
|
else try
|
|
{
|
|
/* Call the appropriate handler */
|
|
alfilt->setParami(param, value);
|
|
}
|
|
catch(filter_exception &e) {
|
|
context->setError(e.errorCode(), "%s", e.what());
|
|
}
|
|
}
|
|
}
|
|
END_API_FUNC
|
|
|
|
AL_API void AL_APIENTRY alFilteriv(ALuint filter, ALenum param, const ALint *values)
|
|
START_API_FUNC
|
|
{
|
|
switch(param)
|
|
{
|
|
case AL_FILTER_TYPE:
|
|
alFilteri(filter, param, values[0]);
|
|
return;
|
|
}
|
|
|
|
ContextRef context{GetContextRef()};
|
|
if UNLIKELY(!context) return;
|
|
|
|
ALCdevice *device{context->mALDevice.get()};
|
|
std::lock_guard<std::mutex> _{device->FilterLock};
|
|
|
|
ALfilter *alfilt{LookupFilter(device, filter)};
|
|
if UNLIKELY(!alfilt)
|
|
context->setError(AL_INVALID_NAME, "Invalid filter ID %u", filter);
|
|
else try
|
|
{
|
|
/* Call the appropriate handler */
|
|
alfilt->setParamiv(param, values);
|
|
}
|
|
catch(filter_exception &e) {
|
|
context->setError(e.errorCode(), "%s", e.what());
|
|
}
|
|
}
|
|
END_API_FUNC
|
|
|
|
AL_API void AL_APIENTRY alFilterf(ALuint filter, ALenum param, ALfloat value)
|
|
START_API_FUNC
|
|
{
|
|
ContextRef context{GetContextRef()};
|
|
if UNLIKELY(!context) return;
|
|
|
|
ALCdevice *device{context->mALDevice.get()};
|
|
std::lock_guard<std::mutex> _{device->FilterLock};
|
|
|
|
ALfilter *alfilt{LookupFilter(device, filter)};
|
|
if UNLIKELY(!alfilt)
|
|
context->setError(AL_INVALID_NAME, "Invalid filter ID %u", filter);
|
|
else try
|
|
{
|
|
/* Call the appropriate handler */
|
|
alfilt->setParamf(param, value);
|
|
}
|
|
catch(filter_exception &e) {
|
|
context->setError(e.errorCode(), "%s", e.what());
|
|
}
|
|
}
|
|
END_API_FUNC
|
|
|
|
AL_API void AL_APIENTRY alFilterfv(ALuint filter, ALenum param, const ALfloat *values)
|
|
START_API_FUNC
|
|
{
|
|
ContextRef context{GetContextRef()};
|
|
if UNLIKELY(!context) return;
|
|
|
|
ALCdevice *device{context->mALDevice.get()};
|
|
std::lock_guard<std::mutex> _{device->FilterLock};
|
|
|
|
ALfilter *alfilt{LookupFilter(device, filter)};
|
|
if UNLIKELY(!alfilt)
|
|
context->setError(AL_INVALID_NAME, "Invalid filter ID %u", filter);
|
|
else try
|
|
{
|
|
/* Call the appropriate handler */
|
|
alfilt->setParamfv(param, values);
|
|
}
|
|
catch(filter_exception &e) {
|
|
context->setError(e.errorCode(), "%s", e.what());
|
|
}
|
|
}
|
|
END_API_FUNC
|
|
|
|
AL_API void AL_APIENTRY alGetFilteri(ALuint filter, ALenum param, ALint *value)
|
|
START_API_FUNC
|
|
{
|
|
ContextRef context{GetContextRef()};
|
|
if UNLIKELY(!context) return;
|
|
|
|
ALCdevice *device{context->mALDevice.get()};
|
|
std::lock_guard<std::mutex> _{device->FilterLock};
|
|
|
|
const ALfilter *alfilt{LookupFilter(device, filter)};
|
|
if UNLIKELY(!alfilt)
|
|
context->setError(AL_INVALID_NAME, "Invalid filter ID %u", filter);
|
|
else
|
|
{
|
|
if(param == AL_FILTER_TYPE)
|
|
*value = alfilt->type;
|
|
else try
|
|
{
|
|
/* Call the appropriate handler */
|
|
alfilt->getParami(param, value);
|
|
}
|
|
catch(filter_exception &e) {
|
|
context->setError(e.errorCode(), "%s", e.what());
|
|
}
|
|
}
|
|
}
|
|
END_API_FUNC
|
|
|
|
AL_API void AL_APIENTRY alGetFilteriv(ALuint filter, ALenum param, ALint *values)
|
|
START_API_FUNC
|
|
{
|
|
switch(param)
|
|
{
|
|
case AL_FILTER_TYPE:
|
|
alGetFilteri(filter, param, values);
|
|
return;
|
|
}
|
|
|
|
ContextRef context{GetContextRef()};
|
|
if UNLIKELY(!context) return;
|
|
|
|
ALCdevice *device{context->mALDevice.get()};
|
|
std::lock_guard<std::mutex> _{device->FilterLock};
|
|
|
|
const ALfilter *alfilt{LookupFilter(device, filter)};
|
|
if UNLIKELY(!alfilt)
|
|
context->setError(AL_INVALID_NAME, "Invalid filter ID %u", filter);
|
|
else try
|
|
{
|
|
/* Call the appropriate handler */
|
|
alfilt->getParamiv(param, values);
|
|
}
|
|
catch(filter_exception &e) {
|
|
context->setError(e.errorCode(), "%s", e.what());
|
|
}
|
|
}
|
|
END_API_FUNC
|
|
|
|
AL_API void AL_APIENTRY alGetFilterf(ALuint filter, ALenum param, ALfloat *value)
|
|
START_API_FUNC
|
|
{
|
|
ContextRef context{GetContextRef()};
|
|
if UNLIKELY(!context) return;
|
|
|
|
ALCdevice *device{context->mALDevice.get()};
|
|
std::lock_guard<std::mutex> _{device->FilterLock};
|
|
|
|
const ALfilter *alfilt{LookupFilter(device, filter)};
|
|
if UNLIKELY(!alfilt)
|
|
context->setError(AL_INVALID_NAME, "Invalid filter ID %u", filter);
|
|
else try
|
|
{
|
|
/* Call the appropriate handler */
|
|
alfilt->getParamf(param, value);
|
|
}
|
|
catch(filter_exception &e) {
|
|
context->setError(e.errorCode(), "%s", e.what());
|
|
}
|
|
}
|
|
END_API_FUNC
|
|
|
|
AL_API void AL_APIENTRY alGetFilterfv(ALuint filter, ALenum param, ALfloat *values)
|
|
START_API_FUNC
|
|
{
|
|
ContextRef context{GetContextRef()};
|
|
if UNLIKELY(!context) return;
|
|
|
|
ALCdevice *device{context->mALDevice.get()};
|
|
std::lock_guard<std::mutex> _{device->FilterLock};
|
|
|
|
const ALfilter *alfilt{LookupFilter(device, filter)};
|
|
if UNLIKELY(!alfilt)
|
|
context->setError(AL_INVALID_NAME, "Invalid filter ID %u", filter);
|
|
else try
|
|
{
|
|
/* Call the appropriate handler */
|
|
alfilt->getParamfv(param, values);
|
|
}
|
|
catch(filter_exception &e) {
|
|
context->setError(e.errorCode(), "%s", e.what());
|
|
}
|
|
}
|
|
END_API_FUNC
|
|
|
|
|
|
FilterSubList::~FilterSubList()
|
|
{
|
|
uint64_t usemask{~FreeMask};
|
|
while(usemask)
|
|
{
|
|
const int idx{al::countr_zero(usemask)};
|
|
al::destroy_at(Filters+idx);
|
|
usemask &= ~(1_u64 << idx);
|
|
}
|
|
FreeMask = ~usemask;
|
|
al_free(Filters);
|
|
Filters = nullptr;
|
|
}
|