First Commit

externals/openal-soft/al/effects/compressor.cpp

@@ -0,0 +1,162 @@
+
+#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 Compressor_setParami(EffectProps *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->Compressor.OnOff = (val != AL_FALSE);
+        break;
+
+    default:
+        throw effect_exception{AL_INVALID_ENUM, "Invalid compressor integer property 0x%04x",
+            param};
+    }
+}
+void Compressor_setParamiv(EffectProps *props, ALenum param, const int *vals)
+{ Compressor_setParami(props, param, vals[0]); }
+void Compressor_setParamf(EffectProps*, ALenum param, float)
+{ throw effect_exception{AL_INVALID_ENUM, "Invalid compressor float property 0x%04x", param}; }
+void Compressor_setParamfv(EffectProps*, ALenum param, const float*)
+{
+    throw effect_exception{AL_INVALID_ENUM, "Invalid compressor float-vector property 0x%04x",
+        param};
+}
+
+void Compressor_getParami(const EffectProps *props, ALenum param, int *val)
+{ 
+    switch(param)
+    {
+    case AL_COMPRESSOR_ONOFF:
+        *val = props->Compressor.OnOff;
+        break;
+
+    default:
+        throw effect_exception{AL_INVALID_ENUM, "Invalid compressor integer property 0x%04x",
+            param};
+    }
+}
+void Compressor_getParamiv(const EffectProps *props, ALenum param, int *vals)
+{ Compressor_getParami(props, param, vals); }
+void Compressor_getParamf(const EffectProps*, ALenum param, float*)
+{ throw effect_exception{AL_INVALID_ENUM, "Invalid compressor float property 0x%04x", param}; }
+void Compressor_getParamfv(const EffectProps*, ALenum param, float*)
+{
+    throw effect_exception{AL_INVALID_ENUM, "Invalid compressor float-vector property 0x%04x",
+        param};
+}
+
+EffectProps genDefaultProps() noexcept
+{
+    EffectProps props{};
+    props.Compressor.OnOff = AL_COMPRESSOR_DEFAULT_ONOFF;
+    return props;
+}
+
+} // namespace
+
+DEFINE_ALEFFECT_VTABLE(Compressor);
+
+const EffectProps CompressorEffectProps{genDefaultProps()};
+
+#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};
+}
+
+template<>
+bool CompressorCommitter::commit(const EaxEffectProps &props)
+{
+    if(props.mType == mEaxProps.mType
+        && props.mCompressor.ulOnOff == mEaxProps.mCompressor.ulOnOff)
+        return false;
+
+    mEaxProps = props;
+
+    mAlProps.Compressor.OnOff = (props.mCompressor.ulOnOff != 0);
+    return true;
+}
+
+template<>
+void CompressorCommitter::SetDefaults(EaxEffectProps &props)
+{
+    props.mType = EaxEffectType::Compressor;
+    props.mCompressor.ulOnOff = EAXAGCCOMPRESSOR_DEFAULTONOFF;
+}
+
+template<>
+void CompressorCommitter::Get(const EaxCall &call, const EaxEffectProps &props)
+{
+    switch(call.get_property_id())
+    {
+    case EAXAGCCOMPRESSOR_NONE: break;
+    case EAXAGCCOMPRESSOR_ALLPARAMETERS: call.set_value<Exception>(props.mCompressor); break;
+    case EAXAGCCOMPRESSOR_ONOFF: call.set_value<Exception>(props.mCompressor.ulOnOff); break;
+    default: fail_unknown_property_id();
+    }
+}
+
+template<>
+void CompressorCommitter::Set(const EaxCall &call, EaxEffectProps &props)
+{
+    switch(call.get_property_id())
+    {
+    case EAXAGCCOMPRESSOR_NONE: break;
+    case EAXAGCCOMPRESSOR_ALLPARAMETERS: defer<AllValidator>(call, props.mCompressor); break;
+    case EAXAGCCOMPRESSOR_ONOFF: defer<OnOffValidator>(call, props.mCompressor.ulOnOff); break;
+    default: fail_unknown_property_id();
+    }
+}
+
+#endif // ALSOFT_EAX