1/*
2 * Copyright (C) 2018 Apple Inc.
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#include "config.h"
26#include "LibWebRTCRtpReceiverBackend.h"
27
28#include "LibWebRTCUtils.h"
29
30#if ENABLE(WEB_RTC) && USE(LIBWEBRTC)
31
32namespace WebCore {
33
34RTCRtpParameters LibWebRTCRtpReceiverBackend::getParameters()
35{
36 return toRTCRtpParameters(m_rtcReceiver->GetParameters());
37}
38
39static inline void fillRTCRtpContributingSource(RTCRtpContributingSource& source, const webrtc::RtpSource& rtcSource)
40{
41 source.timestamp = rtcSource.timestamp_ms();
42 source.source = rtcSource.source_id();
43 if (rtcSource.audio_level())
44 source.audioLevel = (*rtcSource.audio_level() == 127) ? 0 : pow(10, -*rtcSource.audio_level() / 20);
45}
46
47static inline RTCRtpContributingSource toRTCRtpContributingSource(const webrtc::RtpSource& rtcSource)
48{
49 RTCRtpContributingSource source;
50 fillRTCRtpContributingSource(source, rtcSource);
51 return source;
52}
53
54static inline RTCRtpSynchronizationSource toRTCRtpSynchronizationSource(const webrtc::RtpSource& rtcSource)
55{
56 RTCRtpSynchronizationSource source;
57 fillRTCRtpContributingSource(source, rtcSource);
58 return source;
59}
60
61Vector<RTCRtpContributingSource> LibWebRTCRtpReceiverBackend::getContributingSources() const
62{
63 Vector<RTCRtpContributingSource> sources;
64 for (auto& rtcSource : m_rtcReceiver->GetSources()) {
65 if (rtcSource.source_type() == webrtc::RtpSourceType::CSRC)
66 sources.append(toRTCRtpContributingSource(rtcSource));
67 }
68 return sources;
69}
70
71Vector<RTCRtpSynchronizationSource> LibWebRTCRtpReceiverBackend::getSynchronizationSources() const
72{
73 Vector<RTCRtpSynchronizationSource> sources;
74 for (auto& rtcSource : m_rtcReceiver->GetSources()) {
75 if (rtcSource.source_type() == webrtc::RtpSourceType::SSRC)
76 sources.append(toRTCRtpSynchronizationSource(rtcSource));
77 }
78 return sources;
79}
80
81} // namespace WebCore
82
83#endif // ENABLE(WEB_RTC) && USE(LIBWEBRTC)
84