int main(int argc, char *argv[])
{
RtpSession *session;
unsigned char buffer[160];
int i;
FILE *infile;
char *ssrc;
uint32_t user_ts=0;
int tel=0;
if (argc<4){
printf(help);
return -1;
}
ortp_init();
ortp_scheduler_init();
/* set the telephony event payload type to 96 in the av profile.*/
rtp_profile_set_payload(&av_profile,96,&payload_type_telephone_event);
session=rtp_session_new(RTP_SESSION_SENDONLY);
rtp_session_set_scheduling_mode(session,1);
rtp_session_set_blocking_mode(session,1);
rtp_session_set_remote_addr(session,argv[2],atoi(argv[3]));
rtp_session_set_send_payload_type(session,0);
ssrc=getenv("SSRC");
if (ssrc!=NULL) {
printf("using SSRC=%i.\n",atoi(ssrc));
rtp_session_set_ssrc(session,atoi(ssrc));
}
infile=fopen(argv[1],"rb");
if (infile==NULL) {
perror("Cannot open file");
return -1;
}
signal(SIGINT,stophandler);
while( ((i=fread(buffer,1,160,infile))>0) && (runcond) )
{
//ortp_message("Sending packet.");
rtp_session_send_with_ts(session,buffer,i,user_ts);
user_ts+=160;
tel++;
if (tel==50){
tel=0;
ortp_message("Sending telephony event packet.");
rtp_session_send_dtmf(session,'*',user_ts);
user_ts+=160+160+160; /* the duration of the dtmf */
}
}
fclose(infile);
rtp_session_destroy(session);
ortp_exit();
ortp_global_stats_display();
return 0;
}
gint ms_rtp_send_dtmf(MSRtpSend *r, gchar dtmf)
{
gint res;
if (r->rtpsession==NULL) return -1;
if (rtp_session_telephone_events_supported(r->rtpsession)==-1){
g_warning("ERROR : telephone events not supported.\n");
return -1;
}
ms_filter_lock(MS_FILTER(r));
g_message("Sending DTMF.");
res=rtp_session_send_dtmf(r->rtpsession, dtmf, r->ts);
if (res==0){
/* //r->ts+=r->ts_inc; */
r->delay+=2;
}else g_warning("Could not send dtmf.");
ms_filter_unlock(MS_FILTER(r));
return res;
}
