1/*
2 *  Copyright (c) 2013 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_MODULES_RTP_RTCP_INCLUDE_FEC_RECEIVER_H_
12#define WEBRTC_MODULES_RTP_RTCP_INCLUDE_FEC_RECEIVER_H_
13
14#include "webrtc/modules/rtp_rtcp/include/rtp_rtcp_defines.h"
15#include "webrtc/typedefs.h"
16
17namespace webrtc {
18
19struct FecPacketCounter {
20  FecPacketCounter()
21      : num_packets(0),
22        num_fec_packets(0),
23        num_recovered_packets(0) {}
24
25  size_t num_packets;            // Number of received packets.
26  size_t num_fec_packets;        // Number of received FEC packets.
27  size_t num_recovered_packets;  // Number of recovered media packets using FEC.
28};
29
30class FecReceiver {
31 public:
32  static FecReceiver* Create(RtpData* callback);
33
34  virtual ~FecReceiver() {}
35
36  virtual int32_t AddReceivedRedPacket(const RTPHeader& rtp_header,
37                                       const uint8_t* incoming_rtp_packet,
38                                       size_t packet_length,
39                                       uint8_t ulpfec_payload_type) = 0;
40
41  virtual int32_t ProcessReceivedFec() = 0;
42
43  virtual FecPacketCounter GetPacketCounter() const = 0;
44};
45}  // namespace webrtc
46#endif  // WEBRTC_MODULES_RTP_RTCP_INCLUDE_FEC_RECEIVER_H_
47