| // Copyright 2014 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/client_video_dispatcher.h" |
| |
| #include "base/bind.h" |
| #include "base/callback_helpers.h" |
| #include "net/socket/stream_socket.h" |
| #include "remoting/base/constants.h" |
| #include "remoting/proto/video.pb.h" |
| #include "remoting/protocol/message_serialization.h" |
| #include "remoting/protocol/video_stub.h" |
| |
| namespace remoting { |
| namespace protocol { |
| |
| struct ClientVideoDispatcher::PendingFrame { |
| PendingFrame(int frame_id) |
| : frame_id(frame_id), |
| done(false) {} |
| int frame_id; |
| bool done; |
| }; |
| |
| ClientVideoDispatcher::ClientVideoDispatcher(VideoStub* video_stub) |
| : ChannelDispatcherBase(kVideoChannelName), |
| video_stub_(video_stub), |
| parser_(base::Bind(&ClientVideoDispatcher::ProcessVideoPacket, |
| base::Unretained(this)), |
| reader()), |
| weak_factory_(this) { |
| } |
| |
| ClientVideoDispatcher::~ClientVideoDispatcher() { |
| } |
| |
| void ClientVideoDispatcher::ProcessVideoPacket( |
| scoped_ptr<VideoPacket> video_packet, |
| const base::Closure& done) { |
| base::ScopedClosureRunner done_runner(done); |
| |
| int frame_id = video_packet->frame_id(); |
| |
| if (!video_packet->has_frame_id()) { |
| video_stub_->ProcessVideoPacket(video_packet.Pass(), done_runner.Release()); |
| return; |
| } |
| |
| PendingFramesList::iterator pending_frame = |
| pending_frames_.insert(pending_frames_.end(), PendingFrame(frame_id)); |
| |
| video_stub_->ProcessVideoPacket( |
| video_packet.Pass(), |
| base::Bind(&ClientVideoDispatcher::OnPacketDone, |
| weak_factory_.GetWeakPtr(), pending_frame)); |
| } |
| |
| void ClientVideoDispatcher::OnPacketDone( |
| PendingFramesList::iterator pending_frame) { |
| // Mark the frame as done. |
| DCHECK(!pending_frame->done); |
| pending_frame->done = true; |
| |
| // Send VideoAck for all packets in the head of the queue that have finished |
| // rendering. |
| while (!pending_frames_.empty() && pending_frames_.front().done) { |
| VideoAck ack_message; |
| ack_message.set_frame_id(pending_frames_.front().frame_id); |
| writer()->Write(SerializeAndFrameMessage(ack_message), base::Closure()); |
| pending_frames_.pop_front(); |
| } |
| } |
| |
| } // namespace protocol |
| } // namespace remoting |