include/ortp/rtpsignaltable.h

00001 /*
00002   The oRTP library is an RTP (Realtime Transport Protocol - rfc3550) stack.
00003   Copyright (C) 2001  Simon MORLAT simon.morlat@linphone.org
00004 
00005   This library is free software; you can redistribute it and/or
00006   modify it under the terms of the GNU Lesser General Public
00007   License as published by the Free Software Foundation; either
00008   version 2.1 of the License, or (at your option) any later version.
00009 
00010   This library is distributed in the hope that it will be useful,
00011   but WITHOUT ANY WARRANTY; without even the implied warranty of
00012   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00013   Lesser General Public License for more details.
00014 
00015   You should have received a copy of the GNU Lesser General Public
00016   License along with this library; if not, write to the Free Software
00017   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
00018 */
00019 
00020 #ifndef rtpsignaltable_h
00021 #define rtpsignaltable_h
00022 
00023 #define RTP_CALLBACK_TABLE_MAX_ENTRIES  5
00024 
00025 typedef void (*RtpCallback)(struct _RtpSession *, ...);
00026 
00027 struct _RtpSignalTable
00028 {
00029         RtpCallback callback[RTP_CALLBACK_TABLE_MAX_ENTRIES];
00030         unsigned long user_data[RTP_CALLBACK_TABLE_MAX_ENTRIES];
00031         struct _RtpSession *session;
00032         const char *signal_name;
00033         int count;
00034 };
00035 
00036 typedef struct _RtpSignalTable RtpSignalTable;
00037 
00038 void rtp_signal_table_init(RtpSignalTable *table,struct _RtpSession *session, const char *signal_name);
00039 
00040 int rtp_signal_table_add(RtpSignalTable *table,RtpCallback cb, unsigned long user_data);
00041 
00042 void rtp_signal_table_emit(RtpSignalTable *table);
00043 
00044 /* emit but with a second arg */
00045 void rtp_signal_table_emit2(RtpSignalTable *table, unsigned long arg);
00046 
00047 /* emit but with a third arg */
00048 void rtp_signal_table_emit3(RtpSignalTable *table, unsigned long arg1, unsigned long arg2);
00049 
00050 int rtp_signal_table_remove_by_callback(RtpSignalTable *table,RtpCallback cb);
00051 
00052 #endif
00053 

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