rtpsignaltable.h

/*
  The oRTP library is an RTP (Realtime Transport Protocol - rfc3550) stack.
  Copyright (C) 2001  Simon MORLAT simon.morlat@linphone.org
 
  This library is free software; you can redistribute it and/or
  modify it under the terms of the GNU Lesser General Public
  License as published by the Free Software Foundation; either
  version 2.1 of the License, or (at your option) any later version.
 
  This library is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  Lesser General Public License for more details.
 
  You should have received a copy of the GNU Lesser General Public
  License along with this library; if not, write to the Free Software
  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
*/
 
#ifndef rtpsignaltable_h
#define rtpsignaltable_h
 
#define RTP_CALLBACK_TABLE_MAX_ENTRIES 5
 
typedef void (*RtpCallback)(struct _RtpSession *, ...);
 
struct _RtpSignalTable {
  RtpCallback callback[RTP_CALLBACK_TABLE_MAX_ENTRIES];
  uintptr_t user_data[RTP_CALLBACK_TABLE_MAX_ENTRIES];
  struct _RtpSession *session;
  const char *signal_name;
  int count;
};
 
typedef struct _RtpSignalTable RtpSignalTable;
 
void rtp_signal_table_init(RtpSignalTable *table, struct _RtpSession *session, const char *signal_name);
 
int rtp_signal_table_add(RtpSignalTable *table, RtpCallback cb, uintptr_t user_data);
 
void rtp_signal_table_emit(RtpSignalTable *table);
 
/* emit but with a second arg */
void rtp_signal_table_emit2(RtpSignalTable *table, uintptr_t arg);
 
/* emit but with a third arg */
void rtp_signal_table_emit3(RtpSignalTable *table, uintptr_t arg1, uintptr_t arg2);
 
int rtp_signal_table_remove_by_callback(RtpSignalTable *table, RtpCallback cb);
 
#endif