1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
media / audio / linux / audio_manager_linux.cc [blame]
// Copyright 2012 The Chromium Authors
// 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"
#include "media/media_buildflags.h"
#if defined(USE_ALSA)
#include "media/audio/alsa/audio_manager_alsa.h"
#endif
#if BUILDFLAG(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 BUILDFLAG(USE_CRAS)
if (base::CommandLine::ForCurrentProcess()->HasSwitch(switches::kUseCras)) {
return std::make_unique<AudioManagerCras>(std::move(audio_thread),
audio_log_factory);
}
#endif // BUILDFLAG(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