#pragma once
#if ENABLE(WEB_AUDIO)
#include "AudioContext.h"
#include "AudioListener.h"
#include "AudioNode.h"
#include "AudioParam.h"
#include "Cone.h"
#include "Distance.h"
#include "FloatPoint3D.h"
#include "Panner.h"
#include "PannerOptions.h"
#include <memory>
#include <wtf/HashSet.h>
#include <wtf/Lock.h>
namespace WebCore {
class HRTFDatabaseLoader;
class BaseAudioContext;
class PannerNodeBase : public AudioNode {
public:
virtual ~PannerNodeBase() = default;
virtual float dopplerRate() = 0;
protected:
PannerNodeBase(BaseAudioContext&);
};
class PannerNode final : public PannerNodeBase {
WTF_MAKE_ISO_ALLOCATED(PannerNode);
public:
static ExceptionOr<Ref<PannerNode>> create(BaseAudioContext&, const PannerOptions& = { });
virtual ~PannerNode();
void process(size_t framesToProcess) override;
void pullInputs(size_t framesToProcess) override;
void reset() override;
void initialize() override;
void uninitialize() override;
AudioListener& listener();
PanningModelType panningModel() const { return m_panningModel; }
void setPanningModel(PanningModelType);
FloatPoint3D position() const;
void setPosition(float x, float y, float z);
AudioParam& positionX() { return m_positionX.get(); }
AudioParam& positionY() { return m_positionY.get(); }
AudioParam& positionZ() { return m_positionZ.get(); }
FloatPoint3D orientation() const;
void setOrientation(float x, float y, float z);
AudioParam& orientationX() { return m_orientationX.get(); }
AudioParam& orientationY() { return m_orientationY.get(); }
AudioParam& orientationZ() { return m_orientationZ.get(); }
DistanceModelType distanceModel() const;
void setDistanceModel(DistanceModelType);
double refDistance() const { return m_distanceEffect.refDistance(); }
ExceptionOr<void> setRefDistance(double);
double maxDistance() const { return m_distanceEffect.maxDistance(); }
ExceptionOr<void> setMaxDistance(double);
double rolloffFactor() const { return m_distanceEffect.rolloffFactor(); }
ExceptionOr<void> setRolloffFactor(double);
double coneInnerAngle() const { return m_coneEffect.innerAngle(); }
void setConeInnerAngle(double angle) { m_coneEffect.setInnerAngle(angle); }
double coneOuterAngle() const { return m_coneEffect.outerAngle(); }
void setConeOuterAngle(double angle) { m_coneEffect.setOuterAngle(angle); }
double coneOuterGain() const { return m_coneEffect.outerGain(); }
ExceptionOr<void> setConeOuterGain(double);
ExceptionOr<void> setChannelCount(unsigned) final;
ExceptionOr<void> setChannelCountMode(ChannelCountMode) final;
void getAzimuthElevation(double* outAzimuth, double* outElevation);
float dopplerRate() final;
double tailTime() const override { return m_panner ? m_panner->tailTime() : 0; }
double latencyTime() const override { return m_panner ? m_panner->latencyTime() : 0; }
private:
PannerNode(BaseAudioContext&, const PannerOptions&);
float distanceConeGain();
void notifyAudioSourcesConnectedToNode(AudioNode*, HashSet<AudioNode*>& visitedNodes);
std::unique_ptr<Panner> m_panner;
PanningModelType m_panningModel;
DistanceEffect m_distanceEffect;
ConeEffect m_coneEffect;
float m_lastGain { -1.0 };
Ref<AudioParam> m_positionX;
Ref<AudioParam> m_positionY;
Ref<AudioParam> m_positionZ;
Ref<AudioParam> m_orientationX;
Ref<AudioParam> m_orientationY;
Ref<AudioParam> m_orientationZ;
RefPtr<HRTFDatabaseLoader> m_hrtfDatabaseLoader;
unsigned m_connectionCount { 0 };
mutable Lock m_pannerMutex;
};
}
#endif