15c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)/* 293ac45cfc74041c8ae536ce58a9534d46db2024eTorne (Richard Coles) * Copyright (C) 2010 Google Inc. All rights reserved. 35c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * 493ac45cfc74041c8ae536ce58a9534d46db2024eTorne (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. 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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) 2993ac45cfc74041c8ae536ce58a9534d46db2024eTorne (Richard Coles)#ifndef WebAudioDevice_h 3093ac45cfc74041c8ae536ce58a9534d46db2024eTorne (Richard Coles)#define WebAudioDevice_h 3193ac45cfc74041c8ae536ce58a9534d46db2024eTorne (Richard Coles) 321e202183a5dc46166763171984b285173f8585e5Torne (Richard Coles)#include "WebCommon.h" 3393ac45cfc74041c8ae536ce58a9534d46db2024eTorne (Richard Coles)#include "WebVector.h" 3493ac45cfc74041c8ae536ce58a9534d46db2024eTorne (Richard Coles) 3551b2906e11752df6c18351cf520e30522d3b53a1Torne (Richard Coles)namespace blink { 3693ac45cfc74041c8ae536ce58a9534d46db2024eTorne (Richard Coles) 3793ac45cfc74041c8ae536ce58a9534d46db2024eTorne (Richard Coles)// Abstract interface to the Chromium audio system. 3893ac45cfc74041c8ae536ce58a9534d46db2024eTorne (Richard Coles) 3993ac45cfc74041c8ae536ce58a9534d46db2024eTorne (Richard Coles)class WebAudioDevice { 4093ac45cfc74041c8ae536ce58a9534d46db2024eTorne (Richard Coles)public: 411e202183a5dc46166763171984b285173f8585e5Torne (Richard Coles) class BLINK_PLATFORM_EXPORT RenderCallback { 4293ac45cfc74041c8ae536ce58a9534d46db2024eTorne (Richard Coles) public: 431e202183a5dc46166763171984b285173f8585e5Torne (Richard Coles) virtual void render(const WebVector<float*>& sourceData, const WebVector<float*>& destinationData, size_t numberOfFrames); 4493ac45cfc74041c8ae536ce58a9534d46db2024eTorne (Richard Coles) 4593ac45cfc74041c8ae536ce58a9534d46db2024eTorne (Richard Coles) protected: 461e202183a5dc46166763171984b285173f8585e5Torne (Richard Coles) virtual ~RenderCallback(); 4793ac45cfc74041c8ae536ce58a9534d46db2024eTorne (Richard Coles) }; 4802772c6a72f1ee0b226341a4f4439970c29fc861Ben Murdoch 4993ac45cfc74041c8ae536ce58a9534d46db2024eTorne (Richard Coles) virtual ~WebAudioDevice() { } 5093ac45cfc74041c8ae536ce58a9534d46db2024eTorne (Richard Coles) 5193ac45cfc74041c8ae536ce58a9534d46db2024eTorne (Richard Coles) virtual void start() = 0; 5293ac45cfc74041c8ae536ce58a9534d46db2024eTorne (Richard Coles) virtual void stop() = 0; 5393ac45cfc74041c8ae536ce58a9534d46db2024eTorne (Richard Coles) virtual double sampleRate() = 0; 545c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)}; 555c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 5651b2906e11752df6c18351cf520e30522d3b53a1Torne (Richard Coles)} // namespace blink 5793ac45cfc74041c8ae536ce58a9534d46db2024eTorne (Richard Coles) 5893ac45cfc74041c8ae536ce58a9534d46db2024eTorne (Richard Coles)#endif // WebAudioDevice_h 59