1// Copyright 2014 The Chromium Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#include "remoting/protocol/monitored_video_stub.h"
6
7#include "base/bind.h"
8#include "base/logging.h"
9#include "remoting/codec/video_decoder.h"
10#include "remoting/codec/video_decoder_verbatim.h"
11#include "remoting/codec/video_decoder_vpx.h"
12
13namespace remoting {
14namespace protocol {
15
16MonitoredVideoStub::MonitoredVideoStub(VideoStub* video_stub,
17                                       base::TimeDelta connectivity_check_delay,
18                                       const ChannelStateCallback& callback)
19    : video_stub_(video_stub),
20      callback_(callback),
21      is_connected_(false),
22      connectivity_check_timer_(
23          FROM_HERE,
24          connectivity_check_delay,
25          this,
26          &MonitoredVideoStub::OnConnectivityCheckTimeout) {
27}
28
29MonitoredVideoStub::~MonitoredVideoStub() {
30}
31
32void MonitoredVideoStub::ProcessVideoPacket(scoped_ptr<VideoPacket> packet,
33                                            const base::Closure& done) {
34  DCHECK(thread_checker_.CalledOnValidThread());
35
36  connectivity_check_timer_.Reset();
37
38  NotifyChannelState(true);
39
40  video_stub_->ProcessVideoPacket(packet.Pass(), done);
41}
42
43void MonitoredVideoStub::OnConnectivityCheckTimeout() {
44  DCHECK(thread_checker_.CalledOnValidThread());
45  NotifyChannelState(false);
46}
47
48void MonitoredVideoStub::NotifyChannelState(bool connected) {
49  if (is_connected_ != connected) {
50    is_connected_ = connected;
51    callback_.Run(is_connected_);
52  }
53}
54
55}  // namespace protocol
56}  // namespace remoting
57