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/*
* Copyright (C) 2013 Apple 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"
#include "AudioSessionManager.h"
#if USE(AUDIO_SESSION) && PLATFORM(MAC)
#include "Logging.h"
#include "Settings.h"
using namespace WebCore;
static const size_t kWebAudioBufferSize = 128;
static const size_t kLowPowerVideoBufferSize = 4096;
void AudioSessionManager::updateSessionState()
{
LOG(Media, "AudioSessionManager::updateSessionState() - types: Video(%d), Audio(%d), WebAudio(%d)", m_typeCount.count(Video), m_typeCount.count(Audio), m_typeCount.count(WebAudio));
if (has(WebAudio))
AudioSession::sharedSession().setPreferredBufferSize(kWebAudioBufferSize);
// FIXME: <http://webkit.org/b/116725> Figure out why enabling the code below
// causes media LayoutTests to fail on 10.8.
#if __MAC_OS_X_VERSION_MIN_REQUIRED >= 1090
else if ((has(Video) || has(Audio)) && Settings::lowPowerVideoAudioBufferSizeEnabled())
AudioSession::sharedSession().setPreferredBufferSize(kLowPowerVideoBufferSize);
#endif
}
#endif // USE(AUDIO_SESSION) && PLATFORM(MAC)
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