1 /*
2 * Copyright (C) 2020 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 #include "host/frontend/webrtc/libdevice/audio_track_source_impl.h"
18
19 #include <android-base/logging.h>
20
21 namespace cuttlefish {
22 namespace webrtc_streaming {
23
SetVolume(double volume)24 void AudioTrackSourceImpl::SetVolume(double volume) {
25 std::lock_guard<std::mutex> lock(observers_mutex_);
26 for (auto observer : audio_observers_) {
27 observer->OnSetVolume(volume);
28 }
29 }
30
RegisterAudioObserver(AudioObserver * observer)31 void AudioTrackSourceImpl::RegisterAudioObserver(AudioObserver* observer) {
32 std::lock_guard<std::mutex> lock(observers_mutex_);
33 audio_observers_.insert(observer);
34 }
UnregisterAudioObserver(AudioObserver * observer)35 void AudioTrackSourceImpl::UnregisterAudioObserver(AudioObserver* observer) {
36 std::lock_guard<std::mutex> lock(observers_mutex_);
37 audio_observers_.erase(observer);
38 }
39
AddSink(webrtc::AudioTrackSinkInterface * sink)40 void AudioTrackSourceImpl::AddSink(webrtc::AudioTrackSinkInterface* sink) {
41 std::lock_guard<std::mutex> lock(sinks_mutex_);
42 sinks_.insert(sink);
43 }
44
RemoveSink(webrtc::AudioTrackSinkInterface * sink)45 void AudioTrackSourceImpl::RemoveSink(webrtc::AudioTrackSinkInterface* sink) {
46 std::lock_guard<std::mutex> lock(sinks_mutex_);
47 sinks_.erase(sink);
48 }
49
options() const50 const cricket::AudioOptions AudioTrackSourceImpl::options() const {
51 return cricket::AudioOptions();
52 }
53
OnFrame(const AudioFrameBuffer & frame,int64_t timestamp_ms)54 void AudioTrackSourceImpl::OnFrame(const AudioFrameBuffer& frame,
55 int64_t timestamp_ms) {
56 std::lock_guard<std::mutex> lock(sinks_mutex_);
57 for (auto sink : sinks_) {
58 sink->OnData(frame.data(), frame.bits_per_sample(),
59 frame.sample_rate(), frame.channels(), frame.frames(),
60 timestamp_ms);
61 }
62 }
63
state() const64 AudioTrackSourceImpl::SourceState AudioTrackSourceImpl::state() const {
65 return SourceState::kLive;
66 }
67
remote() const68 bool AudioTrackSourceImpl::remote() const { return false; }
69
RegisterObserver(webrtc::ObserverInterface *)70 void AudioTrackSourceImpl::RegisterObserver(
71 webrtc::ObserverInterface* /*observer*/) {}
72
UnregisterObserver(webrtc::ObserverInterface *)73 void AudioTrackSourceImpl::UnregisterObserver(
74 webrtc::ObserverInterface* /*observer*/) {}
75
76 } // namespace webrtc_streaming
77 } // namespace cuttlefish
78