1/*
2 * Copyright (C) 2011, Google Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
15 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
16 * DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY
17 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
18 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
19 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
20 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
21 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
22 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
23 */
24
25#pragma once
26
27#include "AudioDestinationNode.h"
28
29namespace WebCore {
30
31class AudioDestination;
32
33class DefaultAudioDestinationNode final : public AudioDestinationNode {
34 WTF_MAKE_ISO_ALLOCATED(DefaultAudioDestinationNode);
35public:
36 static Ref<DefaultAudioDestinationNode> create(AudioContext& context)
37 {
38 return adoptRef(*new DefaultAudioDestinationNode(context));
39 }
40
41 virtual ~DefaultAudioDestinationNode();
42
43private:
44 explicit DefaultAudioDestinationNode(AudioContext&);
45 void createDestination();
46
47 void initialize() final;
48 void uninitialize() final;
49 ExceptionOr<void> setChannelCount(unsigned) final;
50
51 void enableInput(const String& inputDeviceId) final;
52 void startRendering() final;
53 void resume(Function<void ()>&&) final;
54 void suspend(Function<void ()>&&) final;
55 void close(Function<void ()>&&) final;
56 unsigned maxChannelCount() const final;
57 bool isPlaying() final;
58
59 std::unique_ptr<AudioDestination> m_destination;
60 String m_inputDeviceId;
61 unsigned m_numberOfInputChannels { 0 };
62};
63
64} // namespace WebCore
65