/* * Copyright (C) 2011, 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. * * THIS SOFTWARE IS PROVIDED BY APPLE INC. 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 INC. 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 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include "config.h" #if ENABLE(WEB_AUDIO) #include "DefaultAudioDestinationNode.h" #ifndef NDEBUG #include <stdio.h> #endif namespace WebCore { DefaultAudioDestinationNode::DefaultAudioDestinationNode(AudioContext* context) : AudioDestinationNode(context, AudioDestination::hardwareSampleRate()) { initialize(); } DefaultAudioDestinationNode::~DefaultAudioDestinationNode() { uninitialize(); } void DefaultAudioDestinationNode::initialize() { if (isInitialized()) return; double hardwareSampleRate = AudioDestination::hardwareSampleRate(); #ifndef NDEBUG fprintf(stderr, ">>>> hardwareSampleRate = %f\n", hardwareSampleRate); #endif m_destination = AudioDestination::create(*this, hardwareSampleRate); AudioNode::initialize(); } void DefaultAudioDestinationNode::uninitialize() { if (!isInitialized()) return; m_destination->stop(); AudioNode::uninitialize(); } void DefaultAudioDestinationNode::startRendering() { ASSERT(isInitialized()); if (isInitialized()) m_destination->start(); } } // namespace WebCore #endif // ENABLE(WEB_AUDIO)