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/*! 
 ************************************************************************************* 
 * \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 H26LPAYLOADTYPE 105               //!< RTP paylaod type fixed here for simplicity*/ 
#define H26LSSRC 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