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#ifndef DefaultAudioDestinationNode_h
26#define DefaultAudioDestinationNode_h
27
28#include "AudioDestination.h"
29#include "AudioDestinationNode.h"
30#include <wtf/OwnPtr.h>
31
32namespace WebCore {
33
34class AudioContext;
35
36class DefaultAudioDestinationNode : public AudioDestinationNode {
37public:
38    static PassRefPtr<DefaultAudioDestinationNode> create(AudioContext* context)
39    {
40        return adoptRef(new DefaultAudioDestinationNode(context));
41    }
42
43    virtual ~DefaultAudioDestinationNode();
44
45    // AudioNode
46    virtual void initialize() OVERRIDE;
47    virtual void uninitialize() OVERRIDE;
48    virtual void setChannelCount(unsigned long, ExceptionCode&) OVERRIDE;
49
50    // AudioDestinationNode
51    virtual void enableInput(const String& inputDeviceId) OVERRIDE;
52    virtual void startRendering() OVERRIDE;
53    virtual unsigned long maxChannelCount() const OVERRIDE;
54
55private:
56    explicit DefaultAudioDestinationNode(AudioContext*);
57    void createDestination();
58
59    OwnPtr<AudioDestination> m_destination;
60    String m_inputDeviceId;
61    unsigned m_numberOfInputChannels;
62};
63
64} // namespace WebCore
65
66#endif // DefaultAudioDestinationNode_h
67