Modifies AudioInputCallback::OnData and use media::AudioBus instead of plain byte vector

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 22 matching lines @@
 using pulse::WaitForOperationCompletion;
 
 // Maximum number of output streams that can be open simultaneously.
 static const int kMaxOutputStreams = 50;
 
 // Define bounds for the output buffer size.
 static const int kMinimumOutputBufferSize = 512;
 static const int kMaximumOutputBufferSize = 8192;
 
 // Default input buffer size.
-static const int kDefaultInputBufferSize = 1024;
+static const int kDefaultInputBufferSize = 512;
 
 static const base::FilePath::CharType kPulseLib[] =
     FILE_PATH_LITERAL("libpulse.so.0");
 
 // static
 AudioManager* AudioManagerPulse::Create(AudioLogFactory* audio_log_factory) {
   scoped_ptr<AudioManagerPulse> ret(new AudioManagerPulse(audio_log_factory));
   if (ret->Init())
     return ret.release();
 
@@ skipping 282 matching lines @@
 void AudioManagerPulse::SampleRateInfoCallback(pa_context* context,
                                                const pa_server_info* info,
                                                void* user_data) {
   AudioManagerPulse* manager = reinterpret_cast<AudioManagerPulse*>(user_data);
 
   manager->native_input_sample_rate_ = info->sample_spec.rate;
   pa_threaded_mainloop_signal(manager->input_mainloop_, 0);
 }
 
 }  // namespace media