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// 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
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