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1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2011 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 "media/audio/linux/audio_manager_linux.h" | 5 #include "media/audio/linux/audio_manager_linux.h" |
6 | 6 |
7 #include "base/command_line.h" | 7 #include "base/command_line.h" |
8 #include "base/environment.h" | 8 #include "base/environment.h" |
9 #include "base/logging.h" | 9 #include "base/logging.h" |
10 #include "base/nix/xdg_util.h" | 10 #include "base/nix/xdg_util.h" |
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42 bool AudioManagerLinux::HasAudioOutputDevices() { | 42 bool AudioManagerLinux::HasAudioOutputDevices() { |
43 return HasAnyAlsaAudioDevice(kStreamPlayback); | 43 return HasAnyAlsaAudioDevice(kStreamPlayback); |
44 } | 44 } |
45 | 45 |
46 bool AudioManagerLinux::HasAudioInputDevices() { | 46 bool AudioManagerLinux::HasAudioInputDevices() { |
47 return HasAnyAlsaAudioDevice(kStreamCapture); | 47 return HasAnyAlsaAudioDevice(kStreamCapture); |
48 } | 48 } |
49 | 49 |
50 AudioOutputStream* AudioManagerLinux::MakeAudioOutputStream( | 50 AudioOutputStream* AudioManagerLinux::MakeAudioOutputStream( |
51 const AudioParameters& params) { | 51 const AudioParameters& params) { |
52 // Early return for testing hook. Do this before checking for | 52 // Early return for testing hook. |
53 // |initialized_|. | 53 if (params.format == AudioParameters::AUDIO_MOCK) |
54 if (params.format == AudioParameters::AUDIO_MOCK) { | |
55 return FakeAudioOutputStream::MakeFakeStream(params); | 54 return FakeAudioOutputStream::MakeFakeStream(params); |
56 } | |
57 | |
58 if (!initialized()) { | |
59 // We should never get here since this method is called on the audio thread. | |
60 NOTREACHED(); | |
61 return NULL; | |
62 } | |
63 | 55 |
64 // Don't allow opening more than |kMaxOutputStreams| streams. | 56 // Don't allow opening more than |kMaxOutputStreams| streams. |
65 if (active_output_stream_count_ >= kMaxOutputStreams) | 57 if (active_output_stream_count_ >= kMaxOutputStreams) |
66 return NULL; | 58 return NULL; |
67 | 59 |
68 AudioOutputStream* stream = NULL; | 60 AudioOutputStream* stream = NULL; |
69 #if defined(USE_PULSEAUDIO) | 61 #if defined(USE_PULSEAUDIO) |
70 if (CommandLine::ForCurrentProcess()->HasSwitch(switches::kUsePulseAudio)) { | 62 if (CommandLine::ForCurrentProcess()->HasSwitch(switches::kUsePulseAudio)) { |
71 stream = new PulseAudioOutputStream(params, this); | 63 stream = new PulseAudioOutputStream(params, this); |
72 } else { | 64 } else { |
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90 const AudioParameters& params, const std::string& device_id) { | 82 const AudioParameters& params, const std::string& device_id) { |
91 if (!params.IsValid() || params.channels > kMaxInputChannels || | 83 if (!params.IsValid() || params.channels > kMaxInputChannels || |
92 device_id.empty()) { | 84 device_id.empty()) { |
93 return NULL; | 85 return NULL; |
94 } | 86 } |
95 | 87 |
96 if (params.format == AudioParameters::AUDIO_MOCK) { | 88 if (params.format == AudioParameters::AUDIO_MOCK) { |
97 return FakeAudioInputStream::MakeFakeStream(params); | 89 return FakeAudioInputStream::MakeFakeStream(params); |
98 } | 90 } |
99 | 91 |
100 if (!initialized()) | |
101 return NULL; | |
102 | |
103 std::string device_name = (device_id == AudioManagerBase::kDefaultDeviceId) ? | 92 std::string device_name = (device_id == AudioManagerBase::kDefaultDeviceId) ? |
104 AlsaPcmInputStream::kAutoSelectDevice : device_id; | 93 AlsaPcmInputStream::kAutoSelectDevice : device_id; |
105 if (CommandLine::ForCurrentProcess()->HasSwitch(switches::kAlsaInputDevice)) { | 94 if (CommandLine::ForCurrentProcess()->HasSwitch(switches::kAlsaInputDevice)) { |
106 device_name = CommandLine::ForCurrentProcess()->GetSwitchValueASCII( | 95 device_name = CommandLine::ForCurrentProcess()->GetSwitchValueASCII( |
107 switches::kAlsaInputDevice); | 96 switches::kAlsaInputDevice); |
108 } | 97 } |
109 | 98 |
110 AlsaPcmInputStream* stream = new AlsaPcmInputStream(this, | 99 AlsaPcmInputStream* stream = new AlsaPcmInputStream(this, |
111 device_name, params, wrapper_.get()); | 100 device_name, params, wrapper_.get()); |
112 | 101 |
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310 << wrapper_->StrError(error); | 299 << wrapper_->StrError(error); |
311 } | 300 } |
312 } | 301 } |
313 | 302 |
314 return has_device; | 303 return has_device; |
315 } | 304 } |
316 | 305 |
317 AudioManager* CreateAudioManager() { | 306 AudioManager* CreateAudioManager() { |
318 return new AudioManagerLinux(); | 307 return new AudioManagerLinux(); |
319 } | 308 } |
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