Subversion Repositories bluespec-h264

/*!

 *************************************************************************************

 * \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