Moved AudioUtil static functions to AudioManager interfaces

media/audio/openbsd/audio_manager_openbsd.cc

Index: media/audio/openbsd/audio_manager_openbsd.cc
diff --git a/media/audio/openbsd/audio_manager_openbsd.cc b/media/audio/openbsd/audio_manager_openbsd.cc
index 84304a507f9238a89434008fb2381a67f2af5f92..ce9dc7d96d81426e265e3abed8ab646fd436e6c5 100644
--- a/media/audio/openbsd/audio_manager_openbsd.cc
+++ b/media/audio/openbsd/audio_manager_openbsd.cc
@@ -7,9 +7,11 @@
 #include "base/command_line.h"
 #include "base/stl_util.h"
 #include "media/audio/audio_output_dispatcher.h"
+#include "media/audio/audio_parameters.h"
 #if defined(USE_PULSEAUDIO)
 #include "media/audio/pulse/pulse_output.h"
 #endif
+#include "media/base/channel_layout.h"
 #include "media/base/limits.h"
 #include "media/base/media_switches.h"
 
@@ -20,6 +22,9 @@ namespace media {
 // Maximum number of output streams that can be open simultaneously.
 static const int kMaxOutputStreams = 50;
 
+// Default sample rate for input and output streams.
+static const int kDefaultSampleRate = 48000;
+
 // Implementation of AudioManager.
 static bool HasAudioHardware() {
   int fd;
@@ -43,6 +48,23 @@ bool AudioManagerOpenBSD::HasAudioInputDevices() {
   return HasAudioHardware();
 }
 
+AudioParameters AudioManagerOpenBSD::GetDefaultOutputStreamParameters() {
+  static const int kDefaultOutputBufferSize = 512;
+
+  return AudioParameters(
+      AudioParameters::AUDIO_PCM_LOW_LATENCY, CHANNEL_LAYOUT_STEREO,
+      kDefaultSampleRate, 16, kDefaultOutputBufferSize);
+}
+
+AudioParameters AudioManagerOpenBSD::GetDefaultInputStreamParameters(
+    const std::string& device_id) {
+  static const int kDefaultInputBufferSize = 1024;
+
+  return AudioParameters(
+      AudioParameters::AUDIO_PCM_LOW_LATENCY, CHANNEL_LAYOUT_STEREO,
+      kDefaultSampleRate, 16, kDefaultInputBufferSize);
+}
+
 AudioManagerOpenBSD::AudioManagerOpenBSD() {
   SetMaxOutputStreamsAllowed(kMaxOutputStreams);
 }
@@ -89,6 +111,7 @@ AudioOutputStream* AudioManagerOpenBSD::MakeOutputStream(
   return NULL;
 }
 
+// TODO(xians): Merge AudioManagerOpenBSD with AudioManagerPulse;
 // static
 AudioManager* CreateAudioManager() {
   return new AudioManagerOpenBSD();