1/*
2 *  Copyright (c) 2015 The WebRTC project authors. All Rights Reserved.
3 *
4 *  Use of this source code is governed by a BSD-style license
5 *  that can be found in the LICENSE file in the root of the source
6 *  tree. An additional intellectual property rights grant can be found
7 *  in the file PATENTS.  All contributing project authors may
8 *  be found in the AUTHORS file in the root of the source tree.
9 */
10
11#ifndef WEBRTC_VOICE_ENGINE_CHANNEL_PROXY_H_
12#define WEBRTC_VOICE_ENGINE_CHANNEL_PROXY_H_
13
14#include "webrtc/base/thread_checker.h"
15#include "webrtc/voice_engine/channel_manager.h"
16#include "webrtc/voice_engine/include/voe_rtp_rtcp.h"
17
18#include <string>
19#include <vector>
20
21namespace webrtc {
22
23class AudioSinkInterface;
24class PacketRouter;
25class RtpPacketSender;
26class TransportFeedbackObserver;
27
28namespace voe {
29
30class Channel;
31
32// This class provides the "view" of a voe::Channel that we need to implement
33// webrtc::AudioSendStream and webrtc::AudioReceiveStream. It serves two
34// purposes:
35//  1. Allow mocking just the interfaces used, instead of the entire
36//     voe::Channel class.
37//  2. Provide a refined interface for the stream classes, including assumptions
38//     on return values and input adaptation.
39class ChannelProxy {
40 public:
41  ChannelProxy();
42  explicit ChannelProxy(const ChannelOwner& channel_owner);
43  virtual ~ChannelProxy();
44
45  virtual void SetRTCPStatus(bool enable);
46  virtual void SetLocalSSRC(uint32_t ssrc);
47  virtual void SetRTCP_CNAME(const std::string& c_name);
48  virtual void SetSendAbsoluteSenderTimeStatus(bool enable, int id);
49  virtual void SetSendAudioLevelIndicationStatus(bool enable, int id);
50  virtual void EnableSendTransportSequenceNumber(int id);
51  virtual void SetReceiveAbsoluteSenderTimeStatus(bool enable, int id);
52  virtual void SetReceiveAudioLevelIndicationStatus(bool enable, int id);
53  virtual void SetCongestionControlObjects(
54      RtpPacketSender* rtp_packet_sender,
55      TransportFeedbackObserver* transport_feedback_observer,
56      PacketRouter* packet_router);
57
58  virtual CallStatistics GetRTCPStatistics() const;
59  virtual std::vector<ReportBlock> GetRemoteRTCPReportBlocks() const;
60  virtual NetworkStatistics GetNetworkStatistics() const;
61  virtual AudioDecodingCallStats GetDecodingCallStatistics() const;
62  virtual int32_t GetSpeechOutputLevelFullRange() const;
63  virtual uint32_t GetDelayEstimate() const;
64
65  virtual bool SetSendTelephoneEventPayloadType(int payload_type);
66  virtual bool SendTelephoneEventOutband(uint8_t event, uint32_t duration_ms);
67
68  virtual void SetSink(rtc::scoped_ptr<AudioSinkInterface> sink);
69
70 private:
71  Channel* channel() const;
72
73  rtc::ThreadChecker thread_checker_;
74  ChannelOwner channel_owner_;
75};
76}  // namespace voe
77}  // namespace webrtc
78
79#endif  // WEBRTC_VOICE_ENGINE_CHANNEL_PROXY_H_
80