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#include "config.h"
#include <stdexcept>
#include "AL/al.h"
#include "AL/efx.h"
#include "alc/effects/base.h"
#include "aloptional.h"
#include "core/logging.h"
#include "effects.h"
namespace {
static_assert(ChorusMaxDelay >= AL_CHORUS_MAX_DELAY, "Chorus max delay too small");
static_assert(FlangerMaxDelay >= AL_FLANGER_MAX_DELAY, "Flanger max delay too small");
static_assert(AL_CHORUS_WAVEFORM_SINUSOID == AL_FLANGER_WAVEFORM_SINUSOID, "Chorus/Flanger waveform value mismatch");
static_assert(AL_CHORUS_WAVEFORM_TRIANGLE == AL_FLANGER_WAVEFORM_TRIANGLE, "Chorus/Flanger waveform value mismatch");
inline al::optional<ChorusWaveform> WaveformFromEnum(ALenum type)
{
switch(type)
{
case AL_CHORUS_WAVEFORM_SINUSOID: return al::make_optional(ChorusWaveform::Sinusoid);
case AL_CHORUS_WAVEFORM_TRIANGLE: return al::make_optional(ChorusWaveform::Triangle);
}
return al::nullopt;
}
inline ALenum EnumFromWaveform(ChorusWaveform type)
{
switch(type)
{
case ChorusWaveform::Sinusoid: return AL_CHORUS_WAVEFORM_SINUSOID;
case ChorusWaveform::Triangle: return AL_CHORUS_WAVEFORM_TRIANGLE;
}
throw std::runtime_error{"Invalid chorus waveform: "+std::to_string(static_cast<int>(type))};
}
void Chorus_setParami(EffectProps *props, ALenum param, int val)
{
switch(param)
{
case AL_CHORUS_WAVEFORM:
if(auto formopt = WaveformFromEnum(val))
props->Chorus.Waveform = *formopt;
else
throw effect_exception{AL_INVALID_VALUE, "Invalid chorus waveform: 0x%04x", val};
break;
case AL_CHORUS_PHASE:
if(!(val >= AL_CHORUS_MIN_PHASE && val <= AL_CHORUS_MAX_PHASE))
throw effect_exception{AL_INVALID_VALUE, "Chorus phase out of range: %d", val};
props->Chorus.Phase = val;
break;
default:
throw effect_exception{AL_INVALID_ENUM, "Invalid chorus integer property 0x%04x", param};
}
}
void Chorus_setParamiv(EffectProps *props, ALenum param, const int *vals)
{ Chorus_setParami(props, param, vals[0]); }
void Chorus_setParamf(EffectProps *props, ALenum param, float val)
{
switch(param)
{
case AL_CHORUS_RATE:
if(!(val >= AL_CHORUS_MIN_RATE && val <= AL_CHORUS_MAX_RATE))
throw effect_exception{AL_INVALID_VALUE, "Chorus rate out of range: %f", val};
props->Chorus.Rate = val;
break;
case AL_CHORUS_DEPTH:
if(!(val >= AL_CHORUS_MIN_DEPTH && val <= AL_CHORUS_MAX_DEPTH))
throw effect_exception{AL_INVALID_VALUE, "Chorus depth out of range: %f", val};
props->Chorus.Depth = val;
break;
case AL_CHORUS_FEEDBACK:
if(!(val >= AL_CHORUS_MIN_FEEDBACK && val <= AL_CHORUS_MAX_FEEDBACK))
throw effect_exception{AL_INVALID_VALUE, "Chorus feedback out of range: %f", val};
props->Chorus.Feedback = val;
break;
case AL_CHORUS_DELAY:
if(!(val >= AL_CHORUS_MIN_DELAY && val <= AL_CHORUS_MAX_DELAY))
throw effect_exception{AL_INVALID_VALUE, "Chorus delay out of range: %f", val};
props->Chorus.Delay = val;
break;
default:
throw effect_exception{AL_INVALID_ENUM, "Invalid chorus float property 0x%04x", param};
}
}
void Chorus_setParamfv(EffectProps *props, ALenum param, const float *vals)
{ Chorus_setParamf(props, param, vals[0]); }
void Chorus_getParami(const EffectProps *props, ALenum param, int *val)
{
switch(param)
{
case AL_CHORUS_WAVEFORM:
*val = EnumFromWaveform(props->Chorus.Waveform);
break;
case AL_CHORUS_PHASE:
*val = props->Chorus.Phase;
break;
default:
throw effect_exception{AL_INVALID_ENUM, "Invalid chorus integer property 0x%04x", param};
}
}
void Chorus_getParamiv(const EffectProps *props, ALenum param, int *vals)
{ Chorus_getParami(props, param, vals); }
void Chorus_getParamf(const EffectProps *props, ALenum param, float *val)
{
switch(param)
{
case AL_CHORUS_RATE:
*val = props->Chorus.Rate;
break;
case AL_CHORUS_DEPTH:
*val = props->Chorus.Depth;
break;
case AL_CHORUS_FEEDBACK:
*val = props->Chorus.Feedback;
break;
case AL_CHORUS_DELAY:
*val = props->Chorus.Delay;
break;
default:
throw effect_exception{AL_INVALID_ENUM, "Invalid chorus float property 0x%04x", param};
}
}
void Chorus_getParamfv(const EffectProps *props, ALenum param, float *vals)
{ Chorus_getParamf(props, param, vals); }
const EffectProps genDefaultChorusProps() noexcept
{
EffectProps props{};
props.Chorus.Waveform = *WaveformFromEnum(AL_CHORUS_DEFAULT_WAVEFORM);
props.Chorus.Phase = AL_CHORUS_DEFAULT_PHASE;
props.Chorus.Rate = AL_CHORUS_DEFAULT_RATE;
props.Chorus.Depth = AL_CHORUS_DEFAULT_DEPTH;
props.Chorus.Feedback = AL_CHORUS_DEFAULT_FEEDBACK;
props.Chorus.Delay = AL_CHORUS_DEFAULT_DELAY;
return props;
}
void Flanger_setParami(EffectProps *props, ALenum param, int val)
{
switch(param)
{
case AL_FLANGER_WAVEFORM:
if(auto formopt = WaveformFromEnum(val))
props->Chorus.Waveform = *formopt;
else
throw effect_exception{AL_INVALID_VALUE, "Invalid flanger waveform: 0x%04x", val};
break;
case AL_FLANGER_PHASE:
if(!(val >= AL_FLANGER_MIN_PHASE && val <= AL_FLANGER_MAX_PHASE))
throw effect_exception{AL_INVALID_VALUE, "Flanger phase out of range: %d", val};
props->Chorus.Phase = val;
break;
default:
throw effect_exception{AL_INVALID_ENUM, "Invalid flanger integer property 0x%04x", param};
}
}
void Flanger_setParamiv(EffectProps *props, ALenum param, const int *vals)
{ Flanger_setParami(props, param, vals[0]); }
void Flanger_setParamf(EffectProps *props, ALenum param, float val)
{
switch(param)
{
case AL_FLANGER_RATE:
if(!(val >= AL_FLANGER_MIN_RATE && val <= AL_FLANGER_MAX_RATE))
throw effect_exception{AL_INVALID_VALUE, "Flanger rate out of range: %f", val};
props->Chorus.Rate = val;
break;
case AL_FLANGER_DEPTH:
if(!(val >= AL_FLANGER_MIN_DEPTH && val <= AL_FLANGER_MAX_DEPTH))
throw effect_exception{AL_INVALID_VALUE, "Flanger depth out of range: %f", val};
props->Chorus.Depth = val;
break;
case AL_FLANGER_FEEDBACK:
if(!(val >= AL_FLANGER_MIN_FEEDBACK && val <= AL_FLANGER_MAX_FEEDBACK))
throw effect_exception{AL_INVALID_VALUE, "Flanger feedback out of range: %f", val};
props->Chorus.Feedback = val;
break;
case AL_FLANGER_DELAY:
if(!(val >= AL_FLANGER_MIN_DELAY && val <= AL_FLANGER_MAX_DELAY))
throw effect_exception{AL_INVALID_VALUE, "Flanger delay out of range: %f", val};
props->Chorus.Delay = val;
break;
default:
throw effect_exception{AL_INVALID_ENUM, "Invalid flanger float property 0x%04x", param};
}
}
void Flanger_setParamfv(EffectProps *props, ALenum param, const float *vals)
{ Flanger_setParamf(props, param, vals[0]); }
void Flanger_getParami(const EffectProps *props, ALenum param, int *val)
{
switch(param)
{
case AL_FLANGER_WAVEFORM:
*val = EnumFromWaveform(props->Chorus.Waveform);
break;
case AL_FLANGER_PHASE:
*val = props->Chorus.Phase;
break;
default:
throw effect_exception{AL_INVALID_ENUM, "Invalid flanger integer property 0x%04x", param};
}
}
void Flanger_getParamiv(const EffectProps *props, ALenum param, int *vals)
{ Flanger_getParami(props, param, vals); }
void Flanger_getParamf(const EffectProps *props, ALenum param, float *val)
{
switch(param)
{
case AL_FLANGER_RATE:
*val = props->Chorus.Rate;
break;
case AL_FLANGER_DEPTH:
*val = props->Chorus.Depth;
break;
case AL_FLANGER_FEEDBACK:
*val = props->Chorus.Feedback;
break;
case AL_FLANGER_DELAY:
*val = props->Chorus.Delay;
break;
default:
throw effect_exception{AL_INVALID_ENUM, "Invalid flanger float property 0x%04x", param};
}
}
void Flanger_getParamfv(const EffectProps *props, ALenum param, float *vals)
{ Flanger_getParamf(props, param, vals); }
EffectProps genDefaultFlangerProps() noexcept
{
EffectProps props{};
props.Chorus.Waveform = *WaveformFromEnum(AL_FLANGER_DEFAULT_WAVEFORM);
props.Chorus.Phase = AL_FLANGER_DEFAULT_PHASE;
props.Chorus.Rate = AL_FLANGER_DEFAULT_RATE;
props.Chorus.Depth = AL_FLANGER_DEFAULT_DEPTH;
props.Chorus.Feedback = AL_FLANGER_DEFAULT_FEEDBACK;
props.Chorus.Delay = AL_FLANGER_DEFAULT_DELAY;
return props;
}
} // namespace
DEFINE_ALEFFECT_VTABLE(Chorus);
const EffectProps ChorusEffectProps{genDefaultChorusProps()};
DEFINE_ALEFFECT_VTABLE(Flanger);
const EffectProps FlangerEffectProps{genDefaultFlangerProps()};
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