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compressor.cpp
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compressor.cpp
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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/effect.h"
#include "al/eax/exception.h"
#include "al/eax/utils.h"
#endif // ALSOFT_EAX
namespace {
constexpr EffectProps genDefaultProps() noexcept
{
CompressorProps props{};
props.OnOff = AL_COMPRESSOR_DEFAULT_ONOFF;
return props;
}
} // namespace
const EffectProps CompressorEffectProps{genDefaultProps()};
void CompressorEffectHandler::SetParami(CompressorProps &props, ALenum param, int val)
{
switch(param)
{
case AL_COMPRESSOR_ONOFF:
if(!(val >= AL_COMPRESSOR_MIN_ONOFF && val <= AL_COMPRESSOR_MAX_ONOFF))
throw effect_exception{AL_INVALID_VALUE, "Compressor state out of range"};
props.OnOff = (val != AL_FALSE);
break;
default:
throw effect_exception{AL_INVALID_ENUM, "Invalid compressor integer property 0x%04x",
param};
}
}
void CompressorEffectHandler::SetParamiv(CompressorProps &props, ALenum param, const int *vals)
{ SetParami(props, param, *vals); }
void CompressorEffectHandler::SetParamf(CompressorProps&, ALenum param, float)
{ throw effect_exception{AL_INVALID_ENUM, "Invalid compressor float property 0x%04x", param}; }
void CompressorEffectHandler::SetParamfv(CompressorProps&, ALenum param, const float*)
{
throw effect_exception{AL_INVALID_ENUM, "Invalid compressor float-vector property 0x%04x",
param};
}
void CompressorEffectHandler::GetParami(const CompressorProps &props, ALenum param, int *val)
{
switch(param)
{
case AL_COMPRESSOR_ONOFF: *val = props.OnOff; break;
default:
throw effect_exception{AL_INVALID_ENUM, "Invalid compressor integer property 0x%04x",
param};
}
}
void CompressorEffectHandler::GetParamiv(const CompressorProps &props, ALenum param, int *vals)
{ GetParami(props, param, vals); }
void CompressorEffectHandler::GetParamf(const CompressorProps&, ALenum param, float*)
{ throw effect_exception{AL_INVALID_ENUM, "Invalid compressor float property 0x%04x", param}; }
void CompressorEffectHandler::GetParamfv(const CompressorProps&, ALenum param, float*)
{
throw effect_exception{AL_INVALID_ENUM, "Invalid compressor float-vector property 0x%04x",
param};
}
#ifdef ALSOFT_EAX
namespace {
using CompressorCommitter = EaxCommitter<EaxCompressorCommitter>;
struct OnOffValidator {
void operator()(unsigned long ulOnOff) const
{
eax_validate_range<CompressorCommitter::Exception>(
"On-Off",
ulOnOff,
EAXAGCCOMPRESSOR_MINONOFF,
EAXAGCCOMPRESSOR_MAXONOFF);
}
}; // OnOffValidator
struct AllValidator {
void operator()(const EAXAGCCOMPRESSORPROPERTIES& all) const
{
OnOffValidator{}(all.ulOnOff);
}
}; // AllValidator
} // namespace
template<>
struct CompressorCommitter::Exception : public EaxException
{
explicit Exception(const char *message) : EaxException{"EAX_CHORUS_EFFECT", message}
{ }
};
template<>
[[noreturn]] void CompressorCommitter::fail(const char *message)
{
throw Exception{message};
}
bool EaxCompressorCommitter::commit(const EAXAGCCOMPRESSORPROPERTIES &props)
{
if(auto *cur = std::get_if<EAXAGCCOMPRESSORPROPERTIES>(&mEaxProps); cur && *cur == props)
return false;
mEaxProps = props;
mAlProps = CompressorProps{props.ulOnOff != 0};
return true;
}
void EaxCompressorCommitter::SetDefaults(EaxEffectProps &props)
{
props = EAXAGCCOMPRESSORPROPERTIES{EAXAGCCOMPRESSOR_DEFAULTONOFF};
}
void EaxCompressorCommitter::Get(const EaxCall &call, const EAXAGCCOMPRESSORPROPERTIES &props)
{
switch(call.get_property_id())
{
case EAXAGCCOMPRESSOR_NONE: break;
case EAXAGCCOMPRESSOR_ALLPARAMETERS: call.set_value<Exception>(props); break;
case EAXAGCCOMPRESSOR_ONOFF: call.set_value<Exception>(props.ulOnOff); break;
default: fail_unknown_property_id();
}
}
void EaxCompressorCommitter::Set(const EaxCall &call, EAXAGCCOMPRESSORPROPERTIES &props)
{
switch(call.get_property_id())
{
case EAXAGCCOMPRESSOR_NONE: break;
case EAXAGCCOMPRESSOR_ALLPARAMETERS: defer<AllValidator>(call, props); break;
case EAXAGCCOMPRESSOR_ONOFF: defer<OnOffValidator>(call, props.ulOnOff); break;
default: fail_unknown_property_id();
}
}
#endif // ALSOFT_EAX