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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "remoting/host/audio_capturer_linux.h" | 5 #include "remoting/host/audio_capturer_linux.h" |
6 | 6 |
| 7 #include <stdint.h> |
| 8 |
7 #include "base/files/file_path.h" | 9 #include "base/files/file_path.h" |
8 #include "base/lazy_instance.h" | 10 #include "base/lazy_instance.h" |
9 #include "base/logging.h" | 11 #include "base/logging.h" |
10 #include "remoting/proto/audio.pb.h" | 12 #include "remoting/proto/audio.pb.h" |
11 | 13 |
12 namespace remoting { | 14 namespace remoting { |
13 | 15 |
14 namespace { | 16 namespace { |
15 | 17 |
16 base::LazyInstance<scoped_refptr<AudioPipeReader> >::Leaky | 18 base::LazyInstance<scoped_refptr<AudioPipeReader> >::Leaky |
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46 AudioPipeReader::kChannels); | 48 AudioPipeReader::kChannels); |
47 pipe_reader_->AddObserver(this); | 49 pipe_reader_->AddObserver(this); |
48 return true; | 50 return true; |
49 } | 51 } |
50 | 52 |
51 void AudioCapturerLinux::OnDataRead( | 53 void AudioCapturerLinux::OnDataRead( |
52 scoped_refptr<base::RefCountedString> data) { | 54 scoped_refptr<base::RefCountedString> data) { |
53 DCHECK(!callback_.is_null()); | 55 DCHECK(!callback_.is_null()); |
54 | 56 |
55 if (silence_detector_.IsSilence( | 57 if (silence_detector_.IsSilence( |
56 reinterpret_cast<const int16*>(data->data().data()), | 58 reinterpret_cast<const int16_t*>(data->data().data()), |
57 data->data().size() / sizeof(int16))) { | 59 data->data().size() / sizeof(int16_t))) { |
58 return; | 60 return; |
59 } | 61 } |
60 | 62 |
61 scoped_ptr<AudioPacket> packet(new AudioPacket()); | 63 scoped_ptr<AudioPacket> packet(new AudioPacket()); |
62 packet->add_data(data->data()); | 64 packet->add_data(data->data()); |
63 packet->set_encoding(AudioPacket::ENCODING_RAW); | 65 packet->set_encoding(AudioPacket::ENCODING_RAW); |
64 packet->set_sampling_rate(AudioPipeReader::kSamplingRate); | 66 packet->set_sampling_rate(AudioPipeReader::kSamplingRate); |
65 packet->set_bytes_per_sample(AudioPipeReader::kBytesPerSample); | 67 packet->set_bytes_per_sample(AudioPipeReader::kBytesPerSample); |
66 packet->set_channels(AudioPipeReader::kChannels); | 68 packet->set_channels(AudioPipeReader::kChannels); |
67 callback_.Run(packet.Pass()); | 69 callback_.Run(packet.Pass()); |
68 } | 70 } |
69 | 71 |
70 bool AudioCapturer::IsSupported() { | 72 bool AudioCapturer::IsSupported() { |
71 return g_pulseaudio_pipe_sink_reader.Get().get() != nullptr; | 73 return g_pulseaudio_pipe_sink_reader.Get().get() != nullptr; |
72 } | 74 } |
73 | 75 |
74 scoped_ptr<AudioCapturer> AudioCapturer::Create() { | 76 scoped_ptr<AudioCapturer> AudioCapturer::Create() { |
75 scoped_refptr<AudioPipeReader> reader = | 77 scoped_refptr<AudioPipeReader> reader = |
76 g_pulseaudio_pipe_sink_reader.Get(); | 78 g_pulseaudio_pipe_sink_reader.Get(); |
77 if (!reader.get()) | 79 if (!reader.get()) |
78 return nullptr; | 80 return nullptr; |
79 return make_scoped_ptr(new AudioCapturerLinux(reader)); | 81 return make_scoped_ptr(new AudioCapturerLinux(reader)); |
80 } | 82 } |
81 | 83 |
82 } // namespace remoting | 84 } // namespace remoting |
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