| /* |
| * libjingle |
| * Copyright 2004--2010, Google Inc. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are met: |
| * |
| * 1. Redistributions of source code must retain the above copyright notice, |
| * this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright notice, |
| * this list of conditions and the following disclaimer in the documentation |
| * and/or other materials provided with the distribution. |
| * 3. The name of the author may not be used to endorse or promote products |
| * derived from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED |
| * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF |
| * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO |
| * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; |
| * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
| * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR |
| * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF |
| * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #ifndef TALK_SOUND_LINUXSOUNDSYSTEM_H_ |
| #define TALK_SOUND_LINUXSOUNDSYSTEM_H_ |
| |
| #include "talk/sound/automaticallychosensoundsystem.h" |
| |
| namespace cricket { |
| |
| extern const SoundSystemCreator kLinuxSoundSystemCreators[ |
| #ifdef HAVE_LIBPULSE |
| 2 |
| #else |
| 1 |
| #endif |
| ]; |
| |
| // The vast majority of Linux systems use ALSA for the device-level sound API, |
| // but an increasing number are using PulseAudio for the application API and |
| // only using ALSA internally in PulseAudio itself. But like everything on |
| // Linux this is user-configurable, so we need to support both and choose the |
| // right one at run-time. |
| // PulseAudioSoundSystem is designed to only successfully initialize if |
| // PulseAudio is installed and running, and if it is running then direct device |
| // access using ALSA typically won't work, so if PulseAudioSoundSystem |
| // initializes then we choose that. Otherwise we choose ALSA. |
| typedef AutomaticallyChosenSoundSystem< |
| kLinuxSoundSystemCreators, |
| ARRAY_SIZE(kLinuxSoundSystemCreators)> LinuxSoundSystem; |
| |
| } // namespace cricket |
| |
| #endif // TALK_SOUND_LINUXSOUNDSYSTEM_H_ |
