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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/protobuf_video_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/protocol/channel_factory.h"
#include "remoting/protocol/session.h"
#include "remoting/protocol/util.h"
namespace remoting {
namespace protocol {
ProtobufVideoWriter::ProtobufVideoWriter()
: channel_factory_(NULL) {
}
ProtobufVideoWriter::~ProtobufVideoWriter() {
Close();
}
void ProtobufVideoWriter::Init(protocol::Session* session,
const InitializedCallback& callback) {
channel_factory_ = session->GetTransportChannelFactory();
initialized_callback_ = callback;
channel_factory_->CreateStreamChannel(
kVideoChannelName,
base::Bind(&ProtobufVideoWriter::OnChannelReady, base::Unretained(this)));
}
void ProtobufVideoWriter::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 ProtobufVideoWriter::Close() {
buffered_writer_.Close();
channel_.reset();
if (channel_factory_) {
channel_factory_->CancelChannelCreation(kVideoChannelName);
channel_factory_ = NULL;
}
}
bool ProtobufVideoWriter::is_connected() {
return channel_.get() != NULL;
}
void ProtobufVideoWriter::ProcessVideoPacket(scoped_ptr<VideoPacket> packet,
const base::Closure& done) {
// Older clients may expect deprecated flags field. Always set it to 7.
//
// TODO(sergeyu): Remove this field after M31 is released.
packet->set_deprecated_flags(7);
buffered_writer_.Write(SerializeAndFrameMessage(*packet), done);
}
} // namespace protocol
} // namespace remoting
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