/**
* @brief Open filters for the pids in asked_pid. This function update the asked_pid array and
* can be called more than one time if new pids are added (typical case autoconf)
* Ie it asks the card for the pid list by calling set_ts_filt
* @param asked_pid the array of asked pids
* @param fds the structure with the file descriptors
*/
void set_filters(uint8_t *asked_pid, fds_t *fds)
{
int curr_pid = 0;
for(curr_pid=0;curr_pid<8193;curr_pid++)
if ((asked_pid[curr_pid] == PID_ASKED) )
{
set_ts_filt (fds->fd_demuxer[curr_pid], curr_pid);
asked_pid[curr_pid] = PID_FILTERED;
}
}
int main(int argc, char *argv[]) {
// filedescriptors for video, audio and dvr-device
int fda,fdv;
int fd_dvr;
// pids for video and audio stream
uint16_t vpid = 0;
uint16_t apid = 0;
struct sockaddr_in si;
int socketIn;
char *ip = "224.0.1.2";
int port = 5004;
// process command-line arguments
static struct option long_options[]={
{"group", required_argument, NULL, 'g'},
{"port", required_argument, NULL, 'p'},
{"vpid", required_argument, NULL, 'v'},
{"apid", required_argument, NULL, 'a'},
{"help", no_argument, NULL, 'h'},
{0}
};
int c;
int option_index = 0;
fprintf(stderr,"*** rtpfeed 0.1 ***\n");
while((c = getopt_long(argc, argv, "g:p:v:a:h",long_options, &option_index))!=-1)
{
switch(c)
{
case 'g':
ip = optarg;
break;
case 'p':
port = atoi(optarg);
break;
case 'v':
vpid = atoi(optarg);
break;
case 'a':
apid = atoi(optarg);
break;
case 'h':
fprintf(stderr,"Usage: %s [-g group] [-p port] [-v video PID] [-a audio PID] \n",argv[0]);
exit(1);
}// end switch
}// end while
// open dvr device for output
if((fd_dvr = open("/dev/ost/dvr",O_WRONLY)) < 0){
perror("DVR DEVICE: ");
return -1;
}
// open video device, set filters
if(vpid!=0){
if((fdv = open("/dev/ost/demux",O_RDWR|O_NONBLOCK)) < 0){
perror("DEMUX DEVICE: ");
return -1;
}// end if
set_ts_filt(fdv, vpid, 1);
}// end if
// open audio device, set filters
if(apid!=0){
if((fda = open("/dev/ost/demux",O_RDWR|O_NONBLOCK)) < 0){
perror("DEMUX DEVICE: ");
return -1;
}// end if
set_ts_filt(fda, apid, 2);
}// end if
socketIn = makeclientsocket(ip,port,2,&si);
dumprtp(socketIn, fd_dvr);
close(socketIn);
return(0);
}
int process_telnet() {
char cmd[1024];
int cmd_i=0;
int i;
char* ch;
dmx_pes_type_t pestype;
unsigned long freq=0;
unsigned long srate=0;
/* Open a new telnet session if a client is trying to connect */
if (ns==-1) {
if ((ns = accept(socketIn, (struct sockaddr *)&fsin, &fromlen)) > 0) {
make_nonblock(ns);
cmd_i=0;
cmd[0]=0;
printf("Opened connection\n");
writes(ns,"220-DVBSTREAM - ");
writes(ns,hostname);
writes(ns,"\r\nDONE\r\n");
connectionOpen=1;
}
}
/* If a telnet session is open, receive and process any input */
if (connectionOpen) {
/* Read in at most a line of text - any ctrl character ends the line */
while (read(ns,&in_ch,1)>0) {
if (in_ch < 32) break;
/* Prevent buffer overflows */
if (cmd_i < 1024-1) {
cmd[cmd_i++]=in_ch;
cmd[cmd_i]=0;
}
}
if (in_ch > 0) {
if (cmd_i > 0) {
printf("CMD: \"%s\"\n",cmd);
if (strcasecmp(cmd,"QUIT")==0) {
writes(ns,"DONE\r\n");
close(ns);
ns=-1;
connectionOpen=0;
printf("Closed connection\n");
} else if (strcasecmp(cmd,"STOP")==0) {
writes(ns,"STOP\n");
for (i=0;i<npids;i++) {
if (ioctl(fd[i], DMX_STOP) < 0) {
perror("DMX_STOP");
}
}
for (i=0;i<8192;i++) {
hi_mappids[i]=(i >> 8);
lo_mappids[i]=(i&0xff);
}
writes(ns,"DONE\r\n");
} else if (strncasecmp(cmd,"ADD",3)==0) {
i=4;
if ((cmd[3]=='V') || (cmd[3]=='v')) pestype=DMX_PES_VIDEO;
else if ((cmd[3]=='A') || (cmd[3]=='a')) pestype=DMX_PES_AUDIO;
else if ((cmd[3]=='T') || (cmd[3]=='t')) pestype=DMX_PES_TELETEXT;
else { pestype=DMX_PES_OTHER; i=3; }
while (cmd[i]==' ') i++;
if ((ch=(char*)strstr(&cmd[i],":"))!=NULL) {
pid2=atoi(&ch[1]);
ch[0]=0;
} else {
pid2=-1;
}
pid=atoi(&cmd[i]);
if (pid) {
if (npids == MAX_CHANNELS) {
fprintf(stderr,"\nsorry, you can only set up to 8 filters.\n\n");
return(-1);
} else {
pestypes[npids]=pestype;
pestype=DMX_PES_OTHER;
pids[npids]=pid;
if (pid2!=-1) {
hi_mappids[pid]=pid2>>8;
lo_mappids[pid]=pid2&0xff;
fprintf(stderr,"Mapping %d to %d\n",pid,pid2);
}
if((fd[npids] = open(demuxdev[card],O_RDWR|O_NONBLOCK)) < 0){
fprintf(stderr,"FD %i: ",i);
perror("DEMUX DEVICE: ");
} else {
set_ts_filt(fd[npids],pids[npids],pestypes[npids]);
npids++;
}
}
}
