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#include "config.h"
#include "AL/al.h"
#include "AL/efx.h"
#include "alc/effects/base.h"
#include "effects.h"
#ifdef ALSOFT_EAX
#include "alnumeric.h"
#include "al/eax/exception.h"
#include "al/eax/utils.h"
#endif // ALSOFT_EAX
namespace {
EffectProps genDefaultProps() noexcept
{
DistortionProps props{};
props.Edge = AL_DISTORTION_DEFAULT_EDGE;
props.Gain = AL_DISTORTION_DEFAULT_GAIN;
props.LowpassCutoff = AL_DISTORTION_DEFAULT_LOWPASS_CUTOFF;
props.EQCenter = AL_DISTORTION_DEFAULT_EQCENTER;
props.EQBandwidth = AL_DISTORTION_DEFAULT_EQBANDWIDTH;
return props;
}
} // namespace
const EffectProps DistortionEffectProps{genDefaultProps()};
void EffectHandler::SetParami(DistortionProps&, ALenum param, int)
{ throw effect_exception{AL_INVALID_ENUM, "Invalid distortion integer property 0x%04x", param}; }
void EffectHandler::SetParamiv(DistortionProps&, ALenum param, const int*)
{
throw effect_exception{AL_INVALID_ENUM, "Invalid distortion integer-vector property 0x%04x",
param};
}
void EffectHandler::SetParamf(DistortionProps &props, ALenum param, float val)
{
switch(param)
{
case AL_DISTORTION_EDGE:
if(!(val >= AL_DISTORTION_MIN_EDGE && val <= AL_DISTORTION_MAX_EDGE))
throw effect_exception{AL_INVALID_VALUE, "Distortion edge out of range"};
props.Edge = val;
break;
case AL_DISTORTION_GAIN:
if(!(val >= AL_DISTORTION_MIN_GAIN && val <= AL_DISTORTION_MAX_GAIN))
throw effect_exception{AL_INVALID_VALUE, "Distortion gain out of range"};
props.Gain = val;
break;
case AL_DISTORTION_LOWPASS_CUTOFF:
if(!(val >= AL_DISTORTION_MIN_LOWPASS_CUTOFF && val <= AL_DISTORTION_MAX_LOWPASS_CUTOFF))
throw effect_exception{AL_INVALID_VALUE, "Distortion low-pass cutoff out of range"};
props.LowpassCutoff = val;
break;
case AL_DISTORTION_EQCENTER:
if(!(val >= AL_DISTORTION_MIN_EQCENTER && val <= AL_DISTORTION_MAX_EQCENTER))
throw effect_exception{AL_INVALID_VALUE, "Distortion EQ center out of range"};
props.EQCenter = val;
break;
case AL_DISTORTION_EQBANDWIDTH:
if(!(val >= AL_DISTORTION_MIN_EQBANDWIDTH && val <= AL_DISTORTION_MAX_EQBANDWIDTH))
throw effect_exception{AL_INVALID_VALUE, "Distortion EQ bandwidth out of range"};
props.EQBandwidth = val;
break;
default:
throw effect_exception{AL_INVALID_ENUM, "Invalid distortion float property 0x%04x", param};
}
}
void EffectHandler::SetParamfv(DistortionProps &props, ALenum param, const float *vals)
{ SetParamf(props, param, vals[0]); }
void EffectHandler::GetParami(const DistortionProps&, ALenum param, int*)
{ throw effect_exception{AL_INVALID_ENUM, "Invalid distortion integer property 0x%04x", param}; }
void EffectHandler::GetParamiv(const DistortionProps&, ALenum param, int*)
{
throw effect_exception{AL_INVALID_ENUM, "Invalid distortion integer-vector property 0x%04x",
param};
}
void EffectHandler::GetParamf(const DistortionProps &props, ALenum param, float *val)
{
switch(param)
{
case AL_DISTORTION_EDGE: *val = props.Edge; break;
case AL_DISTORTION_GAIN: *val = props.Gain; break;
case AL_DISTORTION_LOWPASS_CUTOFF: *val = props.LowpassCutoff; break;
case AL_DISTORTION_EQCENTER: *val = props.EQCenter; break;
case AL_DISTORTION_EQBANDWIDTH: *val = props.EQBandwidth; break;
default:
throw effect_exception{AL_INVALID_ENUM, "Invalid distortion float property 0x%04x", param};
}
}
void EffectHandler::GetParamfv(const DistortionProps &props, ALenum param, float *vals)
{ GetParamf(props, param, vals); }
#ifdef ALSOFT_EAX
namespace {
using DistortionCommitter = EaxCommitter<EaxDistortionCommitter>;
struct EdgeValidator {
void operator()(float flEdge) const
{
eax_validate_range<DistortionCommitter::Exception>(
"Edge",
flEdge,
EAXDISTORTION_MINEDGE,
EAXDISTORTION_MAXEDGE);
}
}; // EdgeValidator
struct GainValidator {
void operator()(long lGain) const
{
eax_validate_range<DistortionCommitter::Exception>(
"Gain",
lGain,
EAXDISTORTION_MINGAIN,
EAXDISTORTION_MAXGAIN);
}
}; // GainValidator
struct LowPassCutOffValidator {
void operator()(float flLowPassCutOff) const
{
eax_validate_range<DistortionCommitter::Exception>(
"Low-pass Cut-off",
flLowPassCutOff,
EAXDISTORTION_MINLOWPASSCUTOFF,
EAXDISTORTION_MAXLOWPASSCUTOFF);
}
}; // LowPassCutOffValidator
struct EqCenterValidator {
void operator()(float flEQCenter) const
{
eax_validate_range<DistortionCommitter::Exception>(
"EQ Center",
flEQCenter,
EAXDISTORTION_MINEQCENTER,
EAXDISTORTION_MAXEQCENTER);
}
}; // EqCenterValidator
struct EqBandwidthValidator {
void operator()(float flEQBandwidth) const
{
eax_validate_range<DistortionCommitter::Exception>(
"EQ Bandwidth",
flEQBandwidth,
EAXDISTORTION_MINEQBANDWIDTH,
EAXDISTORTION_MAXEQBANDWIDTH);
}
}; // EqBandwidthValidator
struct AllValidator {
void operator()(const EAXDISTORTIONPROPERTIES& all) const
{
EdgeValidator{}(all.flEdge);
GainValidator{}(all.lGain);
LowPassCutOffValidator{}(all.flLowPassCutOff);
EqCenterValidator{}(all.flEQCenter);
EqBandwidthValidator{}(all.flEQBandwidth);
}
}; // AllValidator
} // namespace
template<>
struct DistortionCommitter::Exception : public EaxException {
explicit Exception(const char *message) : EaxException{"EAX_DISTORTION_EFFECT", message}
{ }
};
template<>
[[noreturn]] void DistortionCommitter::fail(const char *message)
{
throw Exception{message};
}
bool EaxDistortionCommitter::commit(const EAXDISTORTIONPROPERTIES &props)
{
if(auto *cur = std::get_if<EAXDISTORTIONPROPERTIES>(&mEaxProps); cur && *cur == props)
return false;
mEaxProps = props;
mAlProps = [&]{
DistortionProps ret{};
ret.Edge = props.flEdge;
ret.Gain = level_mb_to_gain(static_cast<float>(props.lGain));
ret.LowpassCutoff = props.flLowPassCutOff;
ret.EQCenter = props.flEQCenter;
ret.EQBandwidth = props.flEdge;
return ret;
}();
return true;
}
void EaxDistortionCommitter::SetDefaults(EaxEffectProps &props)
{
static constexpr EAXDISTORTIONPROPERTIES defprops{[]
{
EAXDISTORTIONPROPERTIES ret{};
ret.flEdge = EAXDISTORTION_DEFAULTEDGE;
ret.lGain = EAXDISTORTION_DEFAULTGAIN;
ret.flLowPassCutOff = EAXDISTORTION_DEFAULTLOWPASSCUTOFF;
ret.flEQCenter = EAXDISTORTION_DEFAULTEQCENTER;
ret.flEQBandwidth = EAXDISTORTION_DEFAULTEQBANDWIDTH;
return ret;
}()};
props = defprops;
}
void EaxDistortionCommitter::Get(const EaxCall &call, const EAXDISTORTIONPROPERTIES &props)
{
switch(call.get_property_id())
{
case EAXDISTORTION_NONE: break;
case EAXDISTORTION_ALLPARAMETERS: call.set_value<Exception>(props); break;
case EAXDISTORTION_EDGE: call.set_value<Exception>(props.flEdge); break;
case EAXDISTORTION_GAIN: call.set_value<Exception>(props.lGain); break;
case EAXDISTORTION_LOWPASSCUTOFF: call.set_value<Exception>(props.flLowPassCutOff); break;
case EAXDISTORTION_EQCENTER: call.set_value<Exception>(props.flEQCenter); break;
case EAXDISTORTION_EQBANDWIDTH: call.set_value<Exception>(props.flEQBandwidth); break;
default: fail_unknown_property_id();
}
}
void EaxDistortionCommitter::Set(const EaxCall &call, EAXDISTORTIONPROPERTIES &props)
{
switch(call.get_property_id())
{
case EAXDISTORTION_NONE: break;
case EAXDISTORTION_ALLPARAMETERS: defer<AllValidator>(call, props); break;
case EAXDISTORTION_EDGE: defer<EdgeValidator>(call, props.flEdge); break;
case EAXDISTORTION_GAIN: defer<GainValidator>(call, props.lGain); break;
case EAXDISTORTION_LOWPASSCUTOFF: defer<LowPassCutOffValidator>(call, props.flLowPassCutOff); break;
case EAXDISTORTION_EQCENTER: defer<EqCenterValidator>(call, props.flEQCenter); break;
case EAXDISTORTION_EQBANDWIDTH: defer<EqBandwidthValidator>(call, props.flEQBandwidth); break;
default: fail_unknown_property_id();
}
}
#endif // ALSOFT_EAX
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