Added files for audio writers.

remoting/protocol/audio_writer.cc

Index: remoting/protocol/audio_writer.cc
diff --git a/remoting/protocol/protobuf_video_writer.cc b/remoting/protocol/audio_writer.cc
similarity index 62%
copy from remoting/protocol/protobuf_video_writer.cc
copy to remoting/protocol/audio_writer.cc
index a0ca271d21ec3383ee2f2698a7c892fcce8dca2b..dc8a939e587078dc89e9f90bda6ec2a26931a189 100644
--- a/remoting/protocol/protobuf_video_writer.cc
+++ b/remoting/protocol/audio_writer.cc
@@ -2,37 +2,38 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#include "remoting/protocol/protobuf_video_writer.h"
+#include "remoting/protocol/audio_writer.h"
 
 #include "base/bind.h"
 #include "net/socket/stream_socket.h"
 #include "remoting/base/constants.h"
-#include "remoting/proto/video.pb.h"
+#include "remoting/proto/audio.pb.h"
 #include "remoting/protocol/session.h"
+#include "remoting/protocol/session_config.h"
 #include "remoting/protocol/util.h"
 
 namespace remoting {
 namespace protocol {
 
-ProtobufVideoWriter::ProtobufVideoWriter()
+AudioWriter::AudioWriter()
     : session_(NULL) {
 }
 
-ProtobufVideoWriter::~ProtobufVideoWriter() {
+AudioWriter::~AudioWriter() {
   Close();
 }
 
-void ProtobufVideoWriter::Init(protocol::Session* session,
+void AudioWriter::Init(protocol::Session* session,
                                const InitializedCallback& callback) {
   session_ = session;
   initialized_callback_ = callback;
 
   session_->CreateStreamChannel(
-      kVideoChannelName,
-      base::Bind(&ProtobufVideoWriter::OnChannelReady, base::Unretained(this)));
+      kAudioChannelName,
+      base::Bind(&AudioWriter::OnChannelReady, base::Unretained(this)));
 }
 
-void ProtobufVideoWriter::OnChannelReady(scoped_ptr<net::StreamSocket> socket) {
+void AudioWriter::OnChannelReady(scoped_ptr<net::StreamSocket> socket) {
   if (!socket.get()) {
     initialized_callback_.Run(false);
     return;
@@ -47,26 +48,28 @@ void ProtobufVideoWriter::OnChannelReady(scoped_ptr<net::StreamSocket> socket) {
   initialized_callback_.Run(true);
 }
 
-void ProtobufVideoWriter::Close() {
+void AudioWriter::Close() {
   buffered_writer_.Close();
   channel_.reset();
   if (session_) {
-    session_->CancelChannelCreation(kVideoChannelName);
+    session_->CancelChannelCreation(kAudioChannelName);
     session_ = NULL;
   }
 }
 
-bool ProtobufVideoWriter::is_connected() {
+bool AudioWriter::is_connected() {
   return channel_.get() != NULL;
 }
 
-void ProtobufVideoWriter::ProcessVideoPacket(scoped_ptr<VideoPacket> packet,
+void AudioWriter::ProcessAudioPacket(scoped_ptr<AudioPacket> packet,
                                              const base::Closure& done) {
   buffered_writer_.Write(SerializeAndFrameMessage(*packet), done);
 }
 
-int ProtobufVideoWriter::GetPendingPackets() {
-  return buffered_writer_.GetBufferChunks();
+// static
+AudioWriter* AudioWriter::Create(const SessionConfig& config) {
+  // TODO(kxing): Support different session configurations.
+  return new AudioWriter();
 }
 
 }  // namespace protocol