/* * 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)