MythTV: rtcp_from_spec.h Source File

00001 /* RTCP code taken directly from the most recent RTP specification:
00002  *     draft-ietf-avt-rtp-new-11.txt
00003  * C header
00004  */
00005 
00006 #ifndef _RTCP_FROM_SPEC_H
00007 #define _RTCP_FROM_SPEC_H
00008 
00009 #include <stdlib.h>
00010 
00011 /* Definitions of _ANSI_ARGS and EXTERN that will work in either
00012    C or C++ code:
00013  */
00014 #undef _ANSI_ARGS_
00015 #if ((defined(__STDC__) || defined(SABER)) && !defined(NO_PROTOTYPE)) || defined(__cplusplus) || defined(USE_PROTOTYPE)
00016 #   define _ANSI_ARGS_(x)       x
00017 #else
00018 #   define _ANSI_ARGS_(x)       ()
00019 #endif
00020 #ifdef __cplusplus
00021 #   define EXTERN extern "C"
00022 #else
00023 #   define EXTERN extern
00024 #endif
00025 
00026 /* The code from the spec assumes a type "event"; make this a void*: */
00027 typedef void* event;
00028 
00029 #define EVENT_UNKNOWN 0
00030 #define EVENT_REPORT 1
00031 #define EVENT_BYE 2
00032 
00033 /* The code from the spec assumes a type "time_tp"; make this a double: */
00034 typedef double time_tp;
00035 
00036 /* The code from the spec assumes a type "packet"; make this a void*: */
00037 typedef void* packet;
00038 
00039 #define PACKET_UNKNOWN_TYPE 0
00040 #define PACKET_RTP 1
00041 #define PACKET_RTCP_REPORT 2
00042 #define PACKET_BYE 3
00043 
00044 /* The code from the spec calls drand48(), but we have drand30() instead */
00045 #define drand48 drand30
00046 
00047 #ifndef FALSE
00048 #define FALSE 0
00049 #endif
00050 #ifndef TRUE
00051 #define TRUE 1
00052 #endif
00053 
00054 /* EXPORTS: */
00055 
00056 EXTERN void OnExpire _ANSI_ARGS_((event, int, int, double, int, double*, int*, time_tp, time_tp*, int*));
00057 
00058 EXTERN void OnReceive _ANSI_ARGS_((packet, event, int*, int*, int*, double*, double*, double, double));
00059 
00060 /* IMPORTS: */
00061 
00062 EXTERN void Schedule _ANSI_ARGS_((double,event));
00063 EXTERN void Reschedule _ANSI_ARGS_((double,event));
00064 EXTERN void SendRTCPReport _ANSI_ARGS_((event));
00065 EXTERN void SendBYEPacket _ANSI_ARGS_((event));
00066 EXTERN int TypeOfEvent _ANSI_ARGS_((event));
00067 EXTERN int SentPacketSize _ANSI_ARGS_((event));
00068 EXTERN int PacketType _ANSI_ARGS_((packet));
00069 EXTERN int ReceivedPacketSize _ANSI_ARGS_((packet));
00070 EXTERN int NewMember _ANSI_ARGS_((packet));
00071 EXTERN int NewSender _ANSI_ARGS_((packet));
00072 EXTERN void AddMember _ANSI_ARGS_((packet));
00073 EXTERN void AddSender _ANSI_ARGS_((packet));
00074 EXTERN void RemoveMember _ANSI_ARGS_((packet));
00075 EXTERN void RemoveSender _ANSI_ARGS_((packet));
00076 EXTERN double drand30 _ANSI_ARGS_((void));
00077 
00078 #endif