#include "config.h"
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#include <cstdlib>
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#include "AL/al.h"
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#include "AL/alc.h"
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#include "alMain.h"
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#include "alcontext.h"
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#include "alAuxEffectSlot.h"
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#include "alError.h"
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namespace {
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struct NullState final : public EffectState {
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NullState();
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~NullState() override;
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ALboolean deviceUpdate(const ALCdevice *device) override;
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void update(const ALCcontext *context, const ALeffectslot *slot, const EffectProps *props, const EffectTarget target) override;
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void process(ALsizei samplesToDo, const ALfloat (*RESTRICT samplesIn)[BUFFERSIZE], const ALsizei numInput, ALfloat (*RESTRICT samplesOut)[BUFFERSIZE], const ALsizei numOutput) override;
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DEF_NEWDEL(NullState)
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};
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/* This constructs the effect state. It's called when the object is first
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* created.
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*/
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NullState::NullState() = default;
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/* This destructs the effect state. It's called only when the effect instance
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* is no longer used.
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*/
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NullState::~NullState() = default;
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/* This updates the device-dependant effect state. This is called on
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* initialization and any time the device parameters (e.g. playback frequency,
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* format) have been changed. Will always be followed by a call to the update
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* method, if successful.
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*/
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ALboolean NullState::deviceUpdate(const ALCdevice* UNUSED(device))
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{
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return AL_TRUE;
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}
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/* This updates the effect state. This is called any time the effect is
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* (re)loaded into a slot.
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*/
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void NullState::update(const ALCcontext* UNUSED(context), const ALeffectslot* UNUSED(slot), const EffectProps* UNUSED(props), const EffectTarget UNUSED(target))
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{
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}
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/* This processes the effect state, for the given number of samples from the
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* input to the output buffer. The result should be added to the output buffer,
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* not replace it.
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*/
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void NullState::process(ALsizei /*samplesToDo*/, const ALfloat (*RESTRICT /*samplesIn*/)[BUFFERSIZE], const ALsizei /*numInput*/, ALfloat (*RESTRICT /*samplesOut*/)[BUFFERSIZE], const ALsizei /*numOutput*/)
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{
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}
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void NullEffect_setParami(EffectProps *UNUSED(props), ALCcontext *context, ALenum param, ALint UNUSED(val))
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{
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switch(param)
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{
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default:
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alSetError(context, AL_INVALID_ENUM, "Invalid null effect integer property 0x%04x", param);
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}
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}
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void NullEffect_setParamiv(EffectProps *props, ALCcontext *context, ALenum param, const ALint *vals)
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{
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switch(param)
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{
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default:
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NullEffect_setParami(props, context, param, vals[0]);
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}
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}
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void NullEffect_setParamf(EffectProps *UNUSED(props), ALCcontext *context, ALenum param, ALfloat UNUSED(val))
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{
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switch(param)
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{
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default:
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alSetError(context, AL_INVALID_ENUM, "Invalid null effect float property 0x%04x", param);
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}
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}
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void NullEffect_setParamfv(EffectProps *props, ALCcontext *context, ALenum param, const ALfloat *vals)
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{
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switch(param)
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{
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default:
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NullEffect_setParamf(props, context, param, vals[0]);
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}
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}
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void NullEffect_getParami(const EffectProps *UNUSED(props), ALCcontext *context, ALenum param, ALint* UNUSED(val))
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{
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switch(param)
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{
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default:
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alSetError(context, AL_INVALID_ENUM, "Invalid null effect integer property 0x%04x", param);
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}
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}
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void NullEffect_getParamiv(const EffectProps *props, ALCcontext *context, ALenum param, ALint *vals)
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{
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switch(param)
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{
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default:
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NullEffect_getParami(props, context, param, vals);
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}
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}
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void NullEffect_getParamf(const EffectProps *UNUSED(props), ALCcontext *context, ALenum param, ALfloat* UNUSED(val))
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{
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switch(param)
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{
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default:
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alSetError(context, AL_INVALID_ENUM, "Invalid null effect float property 0x%04x", param);
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}
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}
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void NullEffect_getParamfv(const EffectProps *props, ALCcontext *context, ALenum param, ALfloat *vals)
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{
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switch(param)
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{
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default:
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NullEffect_getParamf(props, context, param, vals);
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}
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}
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DEFINE_ALEFFECT_VTABLE(NullEffect);
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struct NullStateFactory final : public EffectStateFactory {
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EffectState *create() override;
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EffectProps getDefaultProps() const noexcept override;
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const EffectVtable *getEffectVtable() const noexcept override;
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};
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/* Creates EffectState objects of the appropriate type. */
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EffectState *NullStateFactory::create()
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{ return new NullState{}; }
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/* Returns an ALeffectProps initialized with this effect type's default
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* property values.
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*/
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EffectProps NullStateFactory::getDefaultProps() const noexcept
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{
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EffectProps props{};
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return props;
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}
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/* Returns a pointer to this effect type's global set/get vtable. */
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const EffectVtable *NullStateFactory::getEffectVtable() const noexcept
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{ return &NullEffect_vtable; }
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} // namespace
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EffectStateFactory *NullStateFactory_getFactory()
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{
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static NullStateFactory NullFactory{};
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return &NullFactory;
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}
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