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_UTILITY_SOURCE_RTP_DUMP_IMPL_H_
12#define WEBRTC_MODULES_UTILITY_SOURCE_RTP_DUMP_IMPL_H_
13
14#include "webrtc/modules/utility/interface/rtp_dump.h"
15
16namespace webrtc {
17class CriticalSectionWrapper;
18class FileWrapper;
19class RtpDumpImpl : public RtpDump
20{
21public:
22    RtpDumpImpl();
23    virtual ~RtpDumpImpl();
24
25    virtual int32_t Start(const char* fileNameUTF8) OVERRIDE;
26    virtual int32_t Stop() OVERRIDE;
27    virtual bool IsActive() const OVERRIDE;
28    virtual int32_t DumpPacket(const uint8_t* packet,
29                               uint16_t packetLength) OVERRIDE;
30private:
31    // Return the system time in ms.
32    inline uint32_t GetTimeInMS() const;
33    // Return x in network byte order (big endian).
34    inline uint32_t RtpDumpHtonl(uint32_t x) const;
35    // Return x in network byte order (big endian).
36    inline uint16_t RtpDumpHtons(uint16_t x) const;
37
38    // Return true if the packet starts with a valid RTCP header.
39    // Note: See RtpUtility::RtpHeaderParser::RTCP() for details on how
40    //       to determine if the packet is an RTCP packet.
41    bool RTCP(const uint8_t* packet) const;
42
43private:
44    CriticalSectionWrapper* _critSect;
45    FileWrapper& _file;
46    uint32_t _startTime;
47};
48}  // namespace webrtc
49#endif // WEBRTC_MODULES_UTILITY_SOURCE_RTP_DUMP_IMPL_H_
50