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/*
* 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 "OfflineAudioContext.h"
#include "Document.h"
#include "ExceptionCode.h"
#include "ScriptExecutionContext.h"
namespace WebCore {
RefPtr<OfflineAudioContext> OfflineAudioContext::create(ScriptExecutionContext& context, unsigned numberOfChannels, size_t numberOfFrames, float sampleRate, ExceptionCode& ec)
{
// FIXME: add support for workers.
if (!is<Document>(context)) {
ec = NOT_SUPPORTED_ERR;
return nullptr;
}
Document& document = downcast<Document>(context);
if (!numberOfChannels || numberOfChannels > 10 || !numberOfFrames || !isSampleRateRangeGood(sampleRate)) {
ec = SYNTAX_ERR;
return nullptr;
}
RefPtr<OfflineAudioContext> audioContext(adoptRef(new OfflineAudioContext(document, numberOfChannels, numberOfFrames, sampleRate)));
audioContext->suspendIfNeeded();
return audioContext;
}
OfflineAudioContext::OfflineAudioContext(Document& document, unsigned numberOfChannels, size_t numberOfFrames, float sampleRate)
: AudioContext(document, numberOfChannels, numberOfFrames, sampleRate)
{
}
OfflineAudioContext::~OfflineAudioContext()
{
}
} // namespace WebCore
#endif // ENABLE(WEB_AUDIO)
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