1/*
2 * Copyright (C) 2018 Apple 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. ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#include "config.h"
27#include "RealtimeMediaSourceFactory.h"
28
29#if ENABLE(MEDIA_STREAM)
30
31#include "CaptureDevice.h"
32#include "CaptureDeviceManager.h"
33#include "Logging.h"
34#include "MediaStreamPrivate.h"
35#include "RealtimeMediaSource.h"
36#include <wtf/SHA1.h>
37
38namespace WebCore {
39
40void SingleSourceFactory::setActiveSource(RealtimeMediaSource& source)
41{
42 if (m_activeSource == &source)
43 return;
44 if (m_activeSource && m_activeSource->isProducingData())
45 m_activeSource->setMuted(true);
46 m_activeSource = &source;
47}
48
49void SingleSourceFactory::unsetActiveSource(RealtimeMediaSource& source)
50{
51 if (m_activeSource == &source)
52 m_activeSource = nullptr;
53}
54
55} // namespace WebCore
56
57#endif // ENABLE(MEDIA_STREAM)
58