| |
| /*! |
| ************************************************************************************* |
| * \file rtp.h |
| * |
| * \brief |
| * Prototypes for rtp.c |
| ************************************************************************************* |
| */ |
| |
| #ifndef _RTP_H_ |
| #define _RTP_H_ |
| |
| #include "nalucommon.h" |
| |
| #define MAXRTPPAYLOADLEN (65536 - 40) //!< Maximum payload size of an RTP packet */ |
| #define MAXRTPPACKETSIZE (65536 - 28) //!< Maximum size of an RTP packet incl. header */ |
| #define H264PAYLOADTYPE 105 //!< RTP paylaod type fixed here for simplicity*/ |
| #define H264SSRC 0x12345678 //!< SSRC, chosen to simplify debugging */ |
| #define RTP_TR_TIMESTAMP_MULT 1000 //!< should be something like 27 Mhz / 29.97 Hz */ |
| |
| typedef struct |
| { |
| unsigned int v; //!< Version, 2 bits, MUST be 0x2 |
| unsigned int p; //!< Padding bit, Padding MUST NOT be used |
| unsigned int x; //!< Extension, MUST be zero |
| unsigned int cc; /*!< CSRC count, normally 0 in the absence |
| of RTP mixers */ |
| unsigned int m; //!< Marker bit |
| unsigned int pt; //!< 7 bits, Payload Type, dynamically established |
| unsigned int seq; /*!< RTP sequence number, incremented by one for |
| each sent packet */ |
| unsigned int old_seq; //!< to detect wether packets were lost |
| unsigned int timestamp; //!< timestamp, 27 MHz for H.264 |
| unsigned int ssrc; //!< Synchronization Source, chosen randomly |
| byte * payload; //!< the payload including payload headers |
| unsigned int paylen; //!< length of payload in bytes |
| byte * packet; //!< complete packet including header and payload |
| unsigned int packlen; //!< length of packet, typically paylen+12 |
| } RTPpacket_t; |
| |
| void DumpRTPHeader (RTPpacket_t *p); |
| |
| int GetRTPNALU (NALU_t *nalu); |
| void OpenRTPFile (char *fn); |
| void CloseRTPFile(); |
| |
| #endif |
