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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 {
void Distortion_setParami(EffectProps*, ALenum param, int)
{ throw effect_exception{AL_INVALID_ENUM, "Invalid distortion integer property 0x%04x", param}; }
void Distortion_setParamiv(EffectProps*, ALenum param, const int*)
{
throw effect_exception{AL_INVALID_ENUM, "Invalid distortion integer-vector property 0x%04x",
param};
}
void Distortion_setParamf(EffectProps *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->Distortion.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->Distortion.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->Distortion.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->Distortion.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->Distortion.EQBandwidth = val;
break;
default:
throw effect_exception{AL_INVALID_ENUM, "Invalid distortion float property 0x%04x", param};
}
}
void Distortion_setParamfv(EffectProps *props, ALenum param, const float *vals)
{ Distortion_setParamf(props, param, vals[0]); }
void Distortion_getParami(const EffectProps*, ALenum param, int*)
{ throw effect_exception{AL_INVALID_ENUM, "Invalid distortion integer property 0x%04x", param}; }
void Distortion_getParamiv(const EffectProps*, ALenum param, int*)
{
throw effect_exception{AL_INVALID_ENUM, "Invalid distortion integer-vector property 0x%04x",
param};
}
void Distortion_getParamf(const EffectProps *props, ALenum param, float *val)
{
switch(param)
{
case AL_DISTORTION_EDGE:
*val = props->Distortion.Edge;
break;
case AL_DISTORTION_GAIN:
*val = props->Distortion.Gain;
break;
case AL_DISTORTION_LOWPASS_CUTOFF:
*val = props->Distortion.LowpassCutoff;
break;
case AL_DISTORTION_EQCENTER:
*val = props->Distortion.EQCenter;
break;
case AL_DISTORTION_EQBANDWIDTH:
*val = props->Distortion.EQBandwidth;
break;
default:
throw effect_exception{AL_INVALID_ENUM, "Invalid distortion float property 0x%04x", param};
}
}
void Distortion_getParamfv(const EffectProps *props, ALenum param, float *vals)
{ Distortion_getParamf(props, param, vals); }
EffectProps genDefaultProps() noexcept
{
EffectProps props{};
props.Distortion.Edge = AL_DISTORTION_DEFAULT_EDGE;
props.Distortion.Gain = AL_DISTORTION_DEFAULT_GAIN;
props.Distortion.LowpassCutoff = AL_DISTORTION_DEFAULT_LOWPASS_CUTOFF;
props.Distortion.EQCenter = AL_DISTORTION_DEFAULT_EQCENTER;
props.Distortion.EQBandwidth = AL_DISTORTION_DEFAULT_EQBANDWIDTH;
return props;
}
} // namespace
DEFINE_ALEFFECT_VTABLE(Distortion);
const EffectProps DistortionEffectProps{genDefaultProps()};
#ifdef ALSOFT_EAX
namespace {
using EaxDistortionEffectDirtyFlagsValue = std::uint_least8_t;
struct EaxDistortionEffectDirtyFlags
{
using EaxIsBitFieldStruct = bool;
EaxDistortionEffectDirtyFlagsValue flEdge : 1;
EaxDistortionEffectDirtyFlagsValue lGain : 1;
EaxDistortionEffectDirtyFlagsValue flLowPassCutOff : 1;
EaxDistortionEffectDirtyFlagsValue flEQCenter : 1;
EaxDistortionEffectDirtyFlagsValue flEQBandwidth : 1;
}; // EaxDistortionEffectDirtyFlags
class EaxDistortionEffect final :
public EaxEffect
{
public:
EaxDistortionEffect();
void dispatch(const EaxEaxCall& eax_call) override;
// [[nodiscard]]
bool apply_deferred() override;
private:
EAXDISTORTIONPROPERTIES eax_{};
EAXDISTORTIONPROPERTIES eax_d_{};
EaxDistortionEffectDirtyFlags eax_dirty_flags_{};
void set_eax_defaults();
void set_efx_edge();
void set_efx_gain();
void set_efx_lowpass_cutoff();
void set_efx_eq_center();
void set_efx_eq_bandwidth();
void set_efx_defaults();
void get(const EaxEaxCall& eax_call);
void validate_edge(float flEdge);
void validate_gain(long lGain);
void validate_lowpass_cutoff(float flLowPassCutOff);
void validate_eq_center(float flEQCenter);
void validate_eq_bandwidth(float flEQBandwidth);
void validate_all(const EAXDISTORTIONPROPERTIES& eax_all);
void defer_edge(float flEdge);
void defer_gain(long lGain);
void defer_low_pass_cutoff(float flLowPassCutOff);
void defer_eq_center(float flEQCenter);
void defer_eq_bandwidth(float flEQBandwidth);
void defer_all(const EAXDISTORTIONPROPERTIES& eax_all);
void defer_edge(const EaxEaxCall& eax_call);
void defer_gain(const EaxEaxCall& eax_call);
void defer_low_pass_cutoff(const EaxEaxCall& eax_call);
void defer_eq_center(const EaxEaxCall& eax_call);
void defer_eq_bandwidth(const EaxEaxCall& eax_call);
void defer_all(const EaxEaxCall& eax_call);
void set(const EaxEaxCall& eax_call);
}; // EaxDistortionEffect
class EaxDistortionEffectException :
public EaxException
{
public:
explicit EaxDistortionEffectException(
const char* message)
:
EaxException{"EAX_DISTORTION_EFFECT", message}
{
}
}; // EaxDistortionEffectException
EaxDistortionEffect::EaxDistortionEffect()
: EaxEffect{AL_EFFECT_DISTORTION}
{
set_eax_defaults();
set_efx_defaults();
}
void EaxDistortionEffect::dispatch(const EaxEaxCall& eax_call)
{
eax_call.is_get() ? get(eax_call) : set(eax_call);
}
void EaxDistortionEffect::set_eax_defaults()
{
eax_.flEdge = EAXDISTORTION_DEFAULTEDGE;
eax_.lGain = EAXDISTORTION_DEFAULTGAIN;
eax_.flLowPassCutOff = EAXDISTORTION_DEFAULTLOWPASSCUTOFF;
eax_.flEQCenter = EAXDISTORTION_DEFAULTEQCENTER;
eax_.flEQBandwidth = EAXDISTORTION_DEFAULTEQBANDWIDTH;
eax_d_ = eax_;
}
void EaxDistortionEffect::set_efx_edge()
{
const auto edge = clamp(
eax_.flEdge,
AL_DISTORTION_MIN_EDGE,
AL_DISTORTION_MAX_EDGE);
al_effect_props_.Distortion.Edge = edge;
}
void EaxDistortionEffect::set_efx_gain()
{
const auto gain = clamp(
level_mb_to_gain(static_cast<float>(eax_.lGain)),
AL_DISTORTION_MIN_GAIN,
AL_DISTORTION_MAX_GAIN);
al_effect_props_.Distortion.Gain = gain;
}
void EaxDistortionEffect::set_efx_lowpass_cutoff()
{
const auto lowpass_cutoff = clamp(
eax_.flLowPassCutOff,
AL_DISTORTION_MIN_LOWPASS_CUTOFF,
AL_DISTORTION_MAX_LOWPASS_CUTOFF);
al_effect_props_.Distortion.LowpassCutoff = lowpass_cutoff;
}
void EaxDistortionEffect::set_efx_eq_center()
{
const auto eq_center = clamp(
eax_.flEQCenter,
AL_DISTORTION_MIN_EQCENTER,
AL_DISTORTION_MAX_EQCENTER);
al_effect_props_.Distortion.EQCenter = eq_center;
}
void EaxDistortionEffect::set_efx_eq_bandwidth()
{
const auto eq_bandwidth = clamp(
eax_.flEdge,
AL_DISTORTION_MIN_EQBANDWIDTH,
AL_DISTORTION_MAX_EQBANDWIDTH);
al_effect_props_.Distortion.EQBandwidth = eq_bandwidth;
}
void EaxDistortionEffect::set_efx_defaults()
{
set_efx_edge();
set_efx_gain();
set_efx_lowpass_cutoff();
set_efx_eq_center();
set_efx_eq_bandwidth();
}
void EaxDistortionEffect::get(const EaxEaxCall& eax_call)
{
switch(eax_call.get_property_id())
{
case EAXDISTORTION_NONE:
break;
case EAXDISTORTION_ALLPARAMETERS:
eax_call.set_value<EaxDistortionEffectException>(eax_);
break;
case EAXDISTORTION_EDGE:
eax_call.set_value<EaxDistortionEffectException>(eax_.flEdge);
break;
case EAXDISTORTION_GAIN:
eax_call.set_value<EaxDistortionEffectException>(eax_.lGain);
break;
case EAXDISTORTION_LOWPASSCUTOFF:
eax_call.set_value<EaxDistortionEffectException>(eax_.flLowPassCutOff);
break;
case EAXDISTORTION_EQCENTER:
eax_call.set_value<EaxDistortionEffectException>(eax_.flEQCenter);
break;
case EAXDISTORTION_EQBANDWIDTH:
eax_call.set_value<EaxDistortionEffectException>(eax_.flEQBandwidth);
break;
default:
throw EaxDistortionEffectException{"Unsupported property id."};
}
}
void EaxDistortionEffect::validate_edge(
float flEdge)
{
eax_validate_range<EaxDistortionEffectException>(
"Edge",
flEdge,
EAXDISTORTION_MINEDGE,
EAXDISTORTION_MAXEDGE);
}
void EaxDistortionEffect::validate_gain(
long lGain)
{
eax_validate_range<EaxDistortionEffectException>(
"Gain",
lGain,
EAXDISTORTION_MINGAIN,
EAXDISTORTION_MAXGAIN);
}
void EaxDistortionEffect::validate_lowpass_cutoff(
float flLowPassCutOff)
{
eax_validate_range<EaxDistortionEffectException>(
"Low-pass Cut-off",
flLowPassCutOff,
EAXDISTORTION_MINLOWPASSCUTOFF,
EAXDISTORTION_MAXLOWPASSCUTOFF);
}
void EaxDistortionEffect::validate_eq_center(
float flEQCenter)
{
eax_validate_range<EaxDistortionEffectException>(
"EQ Center",
flEQCenter,
EAXDISTORTION_MINEQCENTER,
EAXDISTORTION_MAXEQCENTER);
}
void EaxDistortionEffect::validate_eq_bandwidth(
float flEQBandwidth)
{
eax_validate_range<EaxDistortionEffectException>(
"EQ Bandwidth",
flEQBandwidth,
EAXDISTORTION_MINEQBANDWIDTH,
EAXDISTORTION_MAXEQBANDWIDTH);
}
void EaxDistortionEffect::validate_all(
const EAXDISTORTIONPROPERTIES& eax_all)
{
validate_edge(eax_all.flEdge);
validate_gain(eax_all.lGain);
validate_lowpass_cutoff(eax_all.flLowPassCutOff);
validate_eq_center(eax_all.flEQCenter);
validate_eq_bandwidth(eax_all.flEQBandwidth);
}
void EaxDistortionEffect::defer_edge(
float flEdge)
{
eax_d_.flEdge = flEdge;
eax_dirty_flags_.flEdge = (eax_.flEdge != eax_d_.flEdge);
}
void EaxDistortionEffect::defer_gain(
long lGain)
{
eax_d_.lGain = lGain;
eax_dirty_flags_.lGain = (eax_.lGain != eax_d_.lGain);
}
void EaxDistortionEffect::defer_low_pass_cutoff(
float flLowPassCutOff)
{
eax_d_.flLowPassCutOff = flLowPassCutOff;
eax_dirty_flags_.flLowPassCutOff = (eax_.flLowPassCutOff != eax_d_.flLowPassCutOff);
}
void EaxDistortionEffect::defer_eq_center(
float flEQCenter)
{
eax_d_.flEQCenter = flEQCenter;
eax_dirty_flags_.flEQCenter = (eax_.flEQCenter != eax_d_.flEQCenter);
}
void EaxDistortionEffect::defer_eq_bandwidth(
float flEQBandwidth)
{
eax_d_.flEQBandwidth = flEQBandwidth;
eax_dirty_flags_.flEQBandwidth = (eax_.flEQBandwidth != eax_d_.flEQBandwidth);
}
void EaxDistortionEffect::defer_all(
const EAXDISTORTIONPROPERTIES& eax_all)
{
defer_edge(eax_all.flEdge);
defer_gain(eax_all.lGain);
defer_low_pass_cutoff(eax_all.flLowPassCutOff);
defer_eq_center(eax_all.flEQCenter);
defer_eq_bandwidth(eax_all.flEQBandwidth);
}
void EaxDistortionEffect::defer_edge(
const EaxEaxCall& eax_call)
{
const auto& edge =
eax_call.get_value<EaxDistortionEffectException, const decltype(EAXDISTORTIONPROPERTIES::flEdge)>();
validate_edge(edge);
defer_edge(edge);
}
void EaxDistortionEffect::defer_gain(
const EaxEaxCall& eax_call)
{
const auto& gain =
eax_call.get_value<EaxDistortionEffectException, const decltype(EAXDISTORTIONPROPERTIES::lGain)>();
validate_gain(gain);
defer_gain(gain);
}
void EaxDistortionEffect::defer_low_pass_cutoff(
const EaxEaxCall& eax_call)
{
const auto& lowpass_cutoff =
eax_call.get_value<EaxDistortionEffectException, const decltype(EAXDISTORTIONPROPERTIES::flLowPassCutOff)>();
validate_lowpass_cutoff(lowpass_cutoff);
defer_low_pass_cutoff(lowpass_cutoff);
}
void EaxDistortionEffect::defer_eq_center(
const EaxEaxCall& eax_call)
{
const auto& eq_center =
eax_call.get_value<EaxDistortionEffectException, const decltype(EAXDISTORTIONPROPERTIES::flEQCenter)>();
validate_eq_center(eq_center);
defer_eq_center(eq_center);
}
void EaxDistortionEffect::defer_eq_bandwidth(
const EaxEaxCall& eax_call)
{
const auto& eq_bandwidth =
eax_call.get_value<EaxDistortionEffectException, const decltype(EAXDISTORTIONPROPERTIES::flEQBandwidth)>();
validate_eq_bandwidth(eq_bandwidth);
defer_eq_bandwidth(eq_bandwidth);
}
void EaxDistortionEffect::defer_all(
const EaxEaxCall& eax_call)
{
const auto& all =
eax_call.get_value<EaxDistortionEffectException, const EAXDISTORTIONPROPERTIES>();
validate_all(all);
defer_all(all);
}
// [[nodiscard]]
bool EaxDistortionEffect::apply_deferred()
{
if (eax_dirty_flags_ == EaxDistortionEffectDirtyFlags{})
{
return false;
}
eax_ = eax_d_;
if (eax_dirty_flags_.flEdge)
{
set_efx_edge();
}
if (eax_dirty_flags_.lGain)
{
set_efx_gain();
}
if (eax_dirty_flags_.flLowPassCutOff)
{
set_efx_lowpass_cutoff();
}
if (eax_dirty_flags_.flEQCenter)
{
set_efx_eq_center();
}
if (eax_dirty_flags_.flEQBandwidth)
{
set_efx_eq_bandwidth();
}
eax_dirty_flags_ = EaxDistortionEffectDirtyFlags{};
return true;
}
void EaxDistortionEffect::set(const EaxEaxCall& eax_call)
{
switch(eax_call.get_property_id())
{
case EAXDISTORTION_NONE:
break;
case EAXDISTORTION_ALLPARAMETERS:
defer_all(eax_call);
break;
case EAXDISTORTION_EDGE:
defer_edge(eax_call);
break;
case EAXDISTORTION_GAIN:
defer_gain(eax_call);
break;
case EAXDISTORTION_LOWPASSCUTOFF:
defer_low_pass_cutoff(eax_call);
break;
case EAXDISTORTION_EQCENTER:
defer_eq_center(eax_call);
break;
case EAXDISTORTION_EQBANDWIDTH:
defer_eq_bandwidth(eax_call);
break;
default:
throw EaxDistortionEffectException{"Unsupported property id."};
}
}
} // namespace
EaxEffectUPtr eax_create_eax_distortion_effect()
{
return std::make_unique<EaxDistortionEffect>();
}
#endif // ALSOFT_EAX