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/*
* Copyright (C) 2010 Google Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of
* its contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef THIRD_PARTY_BLINK_RENDERER_PLATFORM_AUDIO_CONE_EFFECT_H_
#define THIRD_PARTY_BLINK_RENDERER_PLATFORM_AUDIO_CONE_EFFECT_H_
#include "third_party/blink/renderer/platform/geometry/float_point_3d.h"
#include "third_party/blink/renderer/platform/platform_export.h"
#include "third_party/blink/renderer/platform/wtf/allocator.h"
namespace blink {
// Cone gain is defined according to the OpenAL specification
class PLATFORM_EXPORT ConeEffect {
DISALLOW_NEW();
public:
ConeEffect();
// Returns scalar gain for the given source/listener positions/orientations
double Gain(FloatPoint3D source_position,
FloatPoint3D source_orientation,
FloatPoint3D listener_position);
// Angles in degrees
void SetInnerAngle(double inner_angle) { inner_angle_ = inner_angle; }
double InnerAngle() const { return inner_angle_; }
void SetOuterAngle(double outer_angle) { outer_angle_ = outer_angle; }
double OuterAngle() const { return outer_angle_; }
void SetOuterGain(double outer_gain) { outer_gain_ = outer_gain; }
double OuterGain() const { return outer_gain_; }
protected:
double inner_angle_;
double outer_angle_;
double outer_gain_;
};
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_PLATFORM_AUDIO_CONE_EFFECT_H_