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 | |
29 | namespace WebCore { |
30 | |
31 | class AudioDestination; |
32 | |
33 | class DefaultAudioDestinationNode final : public AudioDestinationNode { |
34 | WTF_MAKE_ISO_ALLOCATED(DefaultAudioDestinationNode); |
35 | public: |
36 | static Ref<DefaultAudioDestinationNode> create(AudioContext& context) |
37 | { |
38 | return adoptRef(*new DefaultAudioDestinationNode(context)); |
39 | } |
40 | |
41 | virtual ~DefaultAudioDestinationNode(); |
42 | |
43 | private: |
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 | |