| // Copyright (c) 2012 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 "remoting/protocol/audio_writer.h" |
| |
| #include "base/bind.h" |
| #include "net/socket/stream_socket.h" |
| #include "remoting/base/constants.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 { |
| |
| AudioWriter::AudioWriter() |
| : session_(NULL) { |
| } |
| |
| AudioWriter::~AudioWriter() { |
| Close(); |
| } |
| |
| void AudioWriter::Init(protocol::Session* session, |
| const InitializedCallback& callback) { |
| session_ = session; |
| initialized_callback_ = callback; |
| |
| session_->CreateStreamChannel( |
| kAudioChannelName, |
| base::Bind(&AudioWriter::OnChannelReady, base::Unretained(this))); |
| } |
| |
| void AudioWriter::OnChannelReady(scoped_ptr<net::StreamSocket> socket) { |
| if (!socket.get()) { |
| initialized_callback_.Run(false); |
| return; |
| } |
| |
| DCHECK(!channel_.get()); |
| channel_ = socket.Pass(); |
| // TODO(sergeyu): Provide WriteFailedCallback for the buffered writer. |
| buffered_writer_.Init( |
| channel_.get(), BufferedSocketWriter::WriteFailedCallback()); |
| |
| initialized_callback_.Run(true); |
| } |
| |
| void AudioWriter::Close() { |
| buffered_writer_.Close(); |
| channel_.reset(); |
| if (session_) { |
| session_->CancelChannelCreation(kAudioChannelName); |
| session_ = NULL; |
| } |
| } |
| |
| bool AudioWriter::is_connected() { |
| return channel_.get() != NULL; |
| } |
| |
| void AudioWriter::ProcessAudioPacket(scoped_ptr<AudioPacket> packet, |
| const base::Closure& done) { |
| buffered_writer_.Write(SerializeAndFrameMessage(*packet), done); |
| } |
| |
| // static |
| scoped_ptr<AudioWriter> AudioWriter::Create(const SessionConfig& config) { |
| if (!config.is_audio_enabled()) |
| return scoped_ptr<AudioWriter>(NULL); |
| // TODO(kxing): Support different session configurations. |
| return scoped_ptr<AudioWriter>(new AudioWriter()); |
| } |
| |
| } // namespace protocol |
| } // namespace remoting |