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 Ericsson 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#pragma once
32
33#if USE(LIBWEBRTC)
34
35#include "LibWebRTCMacros.h"
36#include "RealtimeMediaSource.h"
37
38ALLOW_UNUSED_PARAMETERS_BEGIN
39
40#include <webrtc/api/mediastreaminterface.h>
41
42ALLOW_UNUSED_PARAMETERS_END
43
44#include <wtf/RetainPtr.h>
45
46namespace WebCore {
47
48class RealtimeIncomingAudioSource
49 : public RealtimeMediaSource
50 , private webrtc::AudioTrackSinkInterface
51{
52public:
53 static Ref<RealtimeIncomingAudioSource> create(rtc::scoped_refptr<webrtc::AudioTrackInterface>&&, String&&);
54
55 void setSourceTrack(rtc::scoped_refptr<webrtc::AudioTrackInterface>&&);
56
57protected:
58 RealtimeIncomingAudioSource(rtc::scoped_refptr<webrtc::AudioTrackInterface>&&, String&&);
59 ~RealtimeIncomingAudioSource();
60
61#if !RELEASE_LOG_DISABLED
62 const char* logClassName() const final { return "RealtimeIncomingAudioSource"; }
63#endif
64
65private:
66 // webrtc::AudioTrackSinkInterface API
67 virtual void OnData(const void* /* audioData */, int /* bitsPerSample */, int /* sampleRate */, size_t /* numberOfChannels */, size_t /* numberOfFrames */) { };
68
69 // RealtimeMediaSource API
70 void startProducingData() final;
71 void stopProducingData() final;
72
73 const RealtimeMediaSourceCapabilities& capabilities() final;
74 const RealtimeMediaSourceSettings& settings() final;
75
76 bool isIncomingAudioSource() const final { return true; }
77
78 RealtimeMediaSourceSettings m_currentSettings;
79 rtc::scoped_refptr<webrtc::AudioTrackInterface> m_audioTrack;
80
81#if !RELEASE_LOG_DISABLED
82 mutable RefPtr<const Logger> m_logger;
83 const void* m_logIdentifier;
84#endif
85};
86
87} // namespace WebCore
88
89SPECIALIZE_TYPE_TRAITS_BEGIN(WebCore::RealtimeIncomingAudioSource)
90 static bool isType(const WebCore::RealtimeMediaSource& source) { return source.isIncomingAudioSource(); }
91SPECIALIZE_TYPE_TRAITS_END()
92
93#endif // USE(LIBWEBRTC)
94