1 /*
2  *  Copyright (c) 2012 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_SOURCE_FEC_RECEIVER_IMPL_H_
12 #define WEBRTC_MODULES_RTP_RTCP_SOURCE_FEC_RECEIVER_IMPL_H_
13 
14 // This header is included to get the nested declaration of Packet structure.
15 
16 #include "webrtc/base/scoped_ptr.h"
17 #include "webrtc/modules/rtp_rtcp/include/fec_receiver.h"
18 #include "webrtc/modules/rtp_rtcp/include/rtp_rtcp_defines.h"
19 #include "webrtc/modules/rtp_rtcp/source/forward_error_correction.h"
20 #include "webrtc/typedefs.h"
21 
22 namespace webrtc {
23 
24 class CriticalSectionWrapper;
25 
26 class FecReceiverImpl : public FecReceiver {
27  public:
28   explicit FecReceiverImpl(RtpData* callback);
29   virtual ~FecReceiverImpl();
30 
31   int32_t AddReceivedRedPacket(const RTPHeader& rtp_header,
32                                const uint8_t* incoming_rtp_packet,
33                                size_t packet_length,
34                                uint8_t ulpfec_payload_type) override;
35 
36   int32_t ProcessReceivedFec() override;
37 
38   FecPacketCounter GetPacketCounter() const override;
39 
40  private:
41   rtc::scoped_ptr<CriticalSectionWrapper> crit_sect_;
42   RtpData* recovered_packet_callback_;
43   ForwardErrorCorrection* fec_;
44   // TODO(holmer): In the current version received_packet_list_ is never more
45   // than one packet, since we process FEC every time a new packet
46   // arrives. We should remove the list.
47   ForwardErrorCorrection::ReceivedPacketList received_packet_list_;
48   ForwardErrorCorrection::RecoveredPacketList recovered_packet_list_;
49   FecPacketCounter packet_counter_;
50 };
51 }  // namespace webrtc
52 
53 #endif  // WEBRTC_MODULES_RTP_RTCP_SOURCE_FEC_RECEIVER_IMPL_H_
54