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1 /* | 1 /* |
2 * Copyright 2004 The WebRTC Project Authors. All rights reserved. | 2 * Copyright 2004 The WebRTC Project Authors. All rights reserved. |
3 * | 3 * |
4 * Use of this source code is governed by a BSD-style license | 4 * Use of this source code is governed by a BSD-style license |
5 * that can be found in the LICENSE file in the root of the source | 5 * that can be found in the LICENSE file in the root of the source |
6 * tree. An additional intellectual property rights grant can be found | 6 * tree. An additional intellectual property rights grant can be found |
7 * in the file PATENTS. All contributing project authors may | 7 * in the file PATENTS. All contributing project authors may |
8 * be found in the AUTHORS file in the root of the source tree. | 8 * be found in the AUTHORS file in the root of the source tree. |
9 */ | 9 */ |
10 | 10 |
11 #ifndef WEBRTC_SOUND_LINUXSOUNDSYSTEM_H_ | 11 #ifndef WEBRTC_SOUND_LINUXSOUNDSYSTEM_H_ |
12 #define WEBRTC_SOUND_LINUXSOUNDSYSTEM_H_ | 12 #define WEBRTC_SOUND_LINUXSOUNDSYSTEM_H_ |
13 | 13 |
| 14 #include "webrtc/base/arraysize.h" |
14 #include "webrtc/sound/automaticallychosensoundsystem.h" | 15 #include "webrtc/sound/automaticallychosensoundsystem.h" |
15 | 16 |
16 namespace rtc { | 17 namespace rtc { |
17 | 18 |
18 extern const SoundSystemCreator kLinuxSoundSystemCreators[ | 19 extern const SoundSystemCreator kLinuxSoundSystemCreators[ |
19 #ifdef HAVE_LIBPULSE | 20 #ifdef HAVE_LIBPULSE |
20 2 | 21 2 |
21 #else | 22 #else |
22 1 | 23 1 |
23 #endif | 24 #endif |
24 ]; | 25 ]; |
25 | 26 |
26 // The vast majority of Linux systems use ALSA for the device-level sound API, | 27 // The vast majority of Linux systems use ALSA for the device-level sound API, |
27 // but an increasing number are using PulseAudio for the application API and | 28 // but an increasing number are using PulseAudio for the application API and |
28 // only using ALSA internally in PulseAudio itself. But like everything on | 29 // only using ALSA internally in PulseAudio itself. But like everything on |
29 // Linux this is user-configurable, so we need to support both and choose the | 30 // Linux this is user-configurable, so we need to support both and choose the |
30 // right one at run-time. | 31 // right one at run-time. |
31 // PulseAudioSoundSystem is designed to only successfully initialize if | 32 // PulseAudioSoundSystem is designed to only successfully initialize if |
32 // PulseAudio is installed and running, and if it is running then direct device | 33 // PulseAudio is installed and running, and if it is running then direct device |
33 // access using ALSA typically won't work, so if PulseAudioSoundSystem | 34 // access using ALSA typically won't work, so if PulseAudioSoundSystem |
34 // initializes then we choose that. Otherwise we choose ALSA. | 35 // initializes then we choose that. Otherwise we choose ALSA. |
35 typedef AutomaticallyChosenSoundSystem< | 36 typedef AutomaticallyChosenSoundSystem< |
36 kLinuxSoundSystemCreators, | 37 kLinuxSoundSystemCreators, |
37 ARRAY_SIZE(kLinuxSoundSystemCreators)> LinuxSoundSystem; | 38 arraysize(kLinuxSoundSystemCreators)> LinuxSoundSystem; |
38 | 39 |
39 } // namespace rtc | 40 } // namespace rtc |
40 | 41 |
41 #endif // WEBRTC_SOUND_LINUXSOUNDSYSTEM_H_ | 42 #endif // WEBRTC_SOUND_LINUXSOUNDSYSTEM_H_ |
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