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- // Copyright (c) 2012 The Chromium Authors. All rights reserved.
- // Use of this source code is governed by a BSD-style license that can be
- // found in the LICENSE file.
- #include <memory>
- #include "base/command_line.h"
- #include "base/logging.h"
- #include "base/metrics/histogram_macros.h"
- #include "build/chromeos_buildflags.h"
- #include "media/audio/fake_audio_manager.h"
- #include "media/base/media_switches.h"
- #if defined(USE_ALSA)
- #include "media/audio/alsa/audio_manager_alsa.h"
- #endif
- #if defined(USE_CRAS) && BUILDFLAG(IS_CHROMEOS_ASH)
- #include "media/audio/cras/audio_manager_chromeos.h"
- #elif defined(USE_CRAS)
- #include "media/audio/cras/audio_manager_cras.h"
- #endif
- #if defined(USE_PULSEAUDIO)
- #include "media/audio/pulse/audio_manager_pulse.h"
- #include "media/audio/pulse/pulse_util.h"
- #endif
- namespace media {
- std::unique_ptr<media::AudioManager> CreateAudioManager(
- std::unique_ptr<AudioThread> audio_thread,
- AudioLogFactory* audio_log_factory) {
- // For testing allow audio output to be disabled.
- if (base::CommandLine::ForCurrentProcess()->HasSwitch(
- switches::kDisableAudioOutput)) {
- return std::make_unique<FakeAudioManager>(std::move(audio_thread),
- audio_log_factory);
- }
- #if defined(USE_CRAS)
- if (base::CommandLine::ForCurrentProcess()->HasSwitch(switches::kUseCras)) {
- #if BUILDFLAG(IS_CHROMEOS_ASH)
- return std::make_unique<AudioManagerChromeOS>(std::move(audio_thread),
- audio_log_factory);
- #else
- return std::make_unique<AudioManagerCras>(std::move(audio_thread),
- audio_log_factory);
- #endif
- }
- #endif // defined(USE_CRAS)
- #if defined(USE_PULSEAUDIO)
- pa_threaded_mainloop* pa_mainloop = nullptr;
- pa_context* pa_context = nullptr;
- if (pulse::InitPulse(&pa_mainloop, &pa_context)) {
- return std::make_unique<AudioManagerPulse>(
- std::move(audio_thread), audio_log_factory, pa_mainloop, pa_context);
- }
- LOG(WARNING) << "Falling back to ALSA for audio output. PulseAudio is not "
- "available or could not be initialized.";
- #endif
- #if defined(USE_ALSA)
- return std::make_unique<AudioManagerAlsa>(std::move(audio_thread),
- audio_log_factory);
- #else
- return std::make_unique<FakeAudioManager>(std::move(audio_thread),
- audio_log_factory);
- #endif
- }
- } // namespace media
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