| /* |
| * Copyright (C) 2014 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 "AudioHardwareListener.h" |
| |
| #include <wtf/Function.h> |
| #include <wtf/NeverDestroyed.h> |
| |
| #if PLATFORM(MAC) |
| #include "AudioHardwareListenerMac.h" |
| #endif |
| |
| namespace WebCore { |
| |
| static AudioHardwareListener::CreationFunction& audioHardwareListenerCreationFunction() |
| { |
| static NeverDestroyed<AudioHardwareListener::CreationFunction> creationFunction; |
| return creationFunction; |
| } |
| |
| void AudioHardwareListener::setCreationFunction(CreationFunction&& function) |
| { |
| audioHardwareListenerCreationFunction() = WTFMove(function); |
| } |
| |
| void AudioHardwareListener::resetCreationFunction() |
| { |
| audioHardwareListenerCreationFunction() = [] (AudioHardwareListener::Client& client) { |
| #if PLATFORM(MAC) |
| return AudioHardwareListenerMac::create(client); |
| #else |
| return adoptRef(*new AudioHardwareListener(client)); |
| #endif |
| }; |
| } |
| |
| Ref<AudioHardwareListener> AudioHardwareListener::create(Client& client) |
| { |
| if (!audioHardwareListenerCreationFunction()) |
| resetCreationFunction(); |
| |
| return audioHardwareListenerCreationFunction()(client); |
| } |
| |
| AudioHardwareListener::AudioHardwareListener(Client& client) |
| : m_client(client) |
| { |
| #if PLATFORM(IOS_FAMILY) |
| m_supportedBufferSizes = { 32, 4096 }; |
| #endif |
| } |
| |
| } |