Log audio system used to WebRTC log.

media/audio/pulse/audio_manager_pulse.cc

 // Copyright 2013 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 "media/audio/pulse/audio_manager_pulse.h"
 
 #include "base/command_line.h"
 #include "base/environment.h"
 #include "base/files/file_path.h"
 #include "base/logging.h"
@@ skipping 30 matching lines @@
 static const int kMaximumOutputBufferSize = 8192;
 
 // Default input buffer size.
 static const int kDefaultInputBufferSize = 1024;
 
 #if defined(DLOPEN_PULSEAUDIO)
 static const base::FilePath::CharType kPulseLib[] =
     FILE_PATH_LITERAL("libpulse.so.0");
 #endif
 
+namespace {
+const char kAudioManagerName[] = "PulseAudio";
+}
+
 AudioManagerPulse::AudioManagerPulse(
     scoped_refptr<base::SingleThreadTaskRunner> task_runner,
     scoped_refptr<base::SingleThreadTaskRunner> worker_task_runner,
     AudioLogFactory* audio_log_factory)
     : AudioManagerBase(std::move(task_runner),
                        std::move(worker_task_runner),
                        audio_log_factory),
       input_mainloop_(NULL),
       input_context_(NULL),
       devices_(NULL),
@@ skipping 75 matching lines @@
   int buffer_size = user_buffer_size ?
       user_buffer_size : kDefaultInputBufferSize;
 
   // TODO(xians): add support for querying native channel layout for pulse.
   UpdateNativeAudioHardwareInfo();
   return AudioParameters(AudioParameters::AUDIO_PCM_LOW_LATENCY,
                          CHANNEL_LAYOUT_STEREO, native_input_sample_rate_, 16,
                          buffer_size);
 }
 
+const char* AudioManagerPulse::GetName() {
+  return kAudioManagerName;
+}
+
 AudioOutputStream* AudioManagerPulse::MakeLinearOutputStream(
     const AudioParameters& params,
     const LogCallback& log_callback) {
   DCHECK_EQ(AudioParameters::AUDIO_PCM_LINEAR, params.format());
   return MakeOutputStream(params, AudioDeviceDescription::kDefaultDeviceId);
 }
 
 AudioOutputStream* AudioManagerPulse::MakeLowLatencyOutputStream(
     const AudioParameters& params,
     const std::string& device_id,
@@ skipping 189 matching lines @@
                                                   const pa_server_info* info,
                                                   void* user_data) {
   AudioManagerPulse* manager = reinterpret_cast<AudioManagerPulse*>(user_data);
 
   manager->native_input_sample_rate_ = info->sample_spec.rate;
   manager->native_channel_count_ = info->sample_spec.channels;
   pa_threaded_mainloop_signal(manager->input_mainloop_, 0);
 }
 
 }  // namespace media