/* * Copyright (C) 2012, 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 "WebKitOfflineAudioContext.h" #include "AudioBuffer.h" #include "Document.h" #include <wtf/IsoMallocInlines.h> namespace WebCore { WTF_MAKE_ISO_ALLOCATED_IMPL(WebKitOfflineAudioContext); inline WebKitOfflineAudioContext::WebKitOfflineAudioContext(Document& document, AudioBuffer* renderTarget) : WebKitAudioContext(document, renderTarget) { } ExceptionOr<Ref<WebKitOfflineAudioContext>> WebKitOfflineAudioContext::create(ScriptExecutionContext& context, unsigned numberOfChannels, size_t numberOfFrames, float sampleRate) { // FIXME: Add support for workers. if (!is<Document>(context)) return Exception { NotSupportedError }; if (!numberOfChannels || numberOfChannels > 10 || !numberOfFrames || !isSupportedSampleRate(sampleRate)) return Exception { SyntaxError }; auto renderTarget = AudioBuffer::create(numberOfChannels, numberOfFrames, sampleRate); if (!renderTarget) return Exception { SyntaxError }; auto audioContext = adoptRef(*new WebKitOfflineAudioContext(downcast<Document>(context), renderTarget.get())); audioContext->suspendIfNeeded(); return audioContext; } } // namespace WebCore #endif // ENABLE(WEB_AUDIO)