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 3// found in the LICENSE file. 4 5#include "base/command_line.h" 6#include "base/metrics/histogram.h" 7#if defined(USE_ALSA) 8#include "media/audio/alsa/audio_manager_alsa.h" 9#else 10#include "media/audio/fake_audio_manager.h" 11#endif 12#if defined(USE_CRAS) 13#include "media/audio/cras/audio_manager_cras.h" 14#endif 15#if defined(USE_PULSEAUDIO) 16#include "media/audio/pulse/audio_manager_pulse.h" 17#endif 18#include "media/base/media_switches.h" 19 20namespace media { 21 22enum LinuxAudioIO { 23 kPulse, 24 kAlsa, 25 kCras, 26 kAudioIOMax = kCras // Must always be equal to largest logged entry. 27}; 28 29AudioManager* CreateAudioManager(AudioLogFactory* audio_log_factory) { 30#if defined(USE_CRAS) 31 if (CommandLine::ForCurrentProcess()->HasSwitch(switches::kUseCras)) { 32 UMA_HISTOGRAM_ENUMERATION("Media.LinuxAudioIO", kCras, kAudioIOMax + 1); 33 return new AudioManagerCras(audio_log_factory); 34 } 35#endif 36 37#if defined(USE_PULSEAUDIO) 38 AudioManager* manager = AudioManagerPulse::Create(audio_log_factory); 39 if (manager) { 40 UMA_HISTOGRAM_ENUMERATION("Media.LinuxAudioIO", kPulse, kAudioIOMax + 1); 41 return manager; 42 } 43#endif 44 45#if defined(USE_ALSA) 46 UMA_HISTOGRAM_ENUMERATION("Media.LinuxAudioIO", kAlsa, kAudioIOMax + 1); 47 return new AudioManagerAlsa(audio_log_factory); 48#else 49 return new FakeAudioManager(audio_log_factory); 50#endif 51} 52 53} // namespace media 54