15c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)/* 25c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * Copyright (C) 2009 Google Inc. All rights reserved. 35c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * 45c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * Redistribution and use in source and binary forms, with or without 55c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * modification, are permitted provided that the following conditions 65c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * are met: 75c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * 85c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * 1. Redistributions of source code must retain the above copyright 95c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * notice, this list of conditions and the following disclaimer. 105c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * 2. Redistributions in binary form must reproduce the above copyright 115c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * notice, this list of conditions and the following disclaimer in the 125c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * documentation and/or other materials provided with the distribution. 135c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of 145c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * its contributors may be used to endorse or promote products derived 155c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * from this software without specific prior written permission. 165c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * 175c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY 185c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 195c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 205c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY 215c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 225c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 235c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 245c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 255c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 265c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 275c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) */ 285c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 295c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)#ifndef Panner_h 305c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)#define Panner_h 315c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 321e202183a5dc46166763171984b285173f8585e5Torne (Richard Coles)#include "platform/PlatformExport.h" 337242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci#include "platform/heap/Handle.h" 345c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 35c1847b1379d12d0e05df27436bf19a9b1bf12deaTorne (Richard Coles)namespace blink { 365c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 375c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)class AudioBus; 38e52495584422c5edb5b2944981473a2e208da323Torne (Richard Coles)class HRTFDatabaseLoader; 395c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 405c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)// Abstract base class for panning a mono or stereo source. 415c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 427242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucciclass PLATFORM_EXPORT Panner : public GarbageCollectedFinalized<Panner> { 435c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)public: 445c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) enum { 455c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) PanningModelEqualPower = 0, 46d5428f32f5d1719f774f62e19147104ca245a3abTorne (Richard Coles) PanningModelHRTF = 1 475c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) }; 4802772c6a72f1ee0b226341a4f4439970c29fc861Ben Murdoch 495c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) typedef unsigned PanningModel; 505c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 517242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci static Panner* create(PanningModel, float sampleRate, HRTFDatabaseLoader*); 525c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 535c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) virtual ~Panner() { }; 545c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 555c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) PanningModel panningModel() const { return m_panningModel; } 565c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 575c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) virtual void pan(double azimuth, double elevation, const AudioBus* inputBus, AudioBus* outputBus, size_t framesToProcess) = 0; 585c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 595c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) virtual void reset() = 0; 605c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 615c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) virtual double tailTime() const = 0; 625c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) virtual double latencyTime() const = 0; 635c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 647242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci virtual void trace(Visitor*) { } 657242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci 665c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)protected: 675c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) Panner(PanningModel model) : m_panningModel(model) { } 685c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 695c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) PanningModel m_panningModel; 705c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)}; 715c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 72c1847b1379d12d0e05df27436bf19a9b1bf12deaTorne (Richard Coles)} // namespace blink 735c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 745c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)#endif // Panner_h 75