1/*
2 * Copyright (C) 2017-2019 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 *
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer
12 * in the documentation and/or other materials provided with the
13 * distribution.
14 * 3. Neither the name of Google Inc. nor the names of its contributors
15 * may be used to endorse or promote products derived from this
16 * software without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 */
30
31#include "config.h"
32#include "RealtimeIncomingAudioSource.h"
33
34#if USE(LIBWEBRTC)
35
36#include "LibWebRTCAudioFormat.h"
37#include "Logging.h"
38
39namespace WebCore {
40
41RealtimeIncomingAudioSource::RealtimeIncomingAudioSource(rtc::scoped_refptr<webrtc::AudioTrackInterface>&& audioTrack, String&& audioTrackId)
42 : RealtimeMediaSource(RealtimeMediaSource::Type::Audio, "remote audio"_s, WTFMove(audioTrackId))
43 , m_audioTrack(WTFMove(audioTrack))
44{
45 notifyMutedChange(!m_audioTrack);
46}
47
48RealtimeIncomingAudioSource::~RealtimeIncomingAudioSource()
49{
50 stop();
51}
52
53void RealtimeIncomingAudioSource::startProducingData()
54{
55 if (m_audioTrack)
56 m_audioTrack->AddSink(this);
57}
58
59void RealtimeIncomingAudioSource::stopProducingData()
60{
61 if (m_audioTrack)
62 m_audioTrack->RemoveSink(this);
63}
64
65void RealtimeIncomingAudioSource::setSourceTrack(rtc::scoped_refptr<webrtc::AudioTrackInterface>&& track)
66{
67 ASSERT(track);
68
69 if (m_audioTrack && isProducingData())
70 m_audioTrack->RemoveSink(this);
71
72 m_audioTrack = WTFMove(track);
73 notifyMutedChange(!m_audioTrack);
74 if (isProducingData())
75 m_audioTrack->AddSink(this);
76}
77
78const RealtimeMediaSourceCapabilities& RealtimeIncomingAudioSource::capabilities()
79{
80 return RealtimeMediaSourceCapabilities::emptyCapabilities();
81}
82
83const RealtimeMediaSourceSettings& RealtimeIncomingAudioSource::settings()
84{
85 return m_currentSettings;
86}
87
88}
89
90#endif // USE(LIBWEBRTC)
91