void scan_sdt() {
int fd_sdt;
int n,seclen;
int i,k;
int max_k;
unsigned char buf[4096];
struct dmx_sct_filter_params sctFilterParams;
int ca,service_id,loop_length;
int pmt_pid;
struct pollfd ufd;
int section_number,last_section_number;
if((fd_sdt = open(demuxdev[card],O_RDWR|O_NONBLOCK)) < 0) {
perror("fd_sdt DEVICE: ");
return;
}
sctFilterParams.pid=0x11;
memset(&sctFilterParams.filter,0,sizeof(sctFilterParams.filter));
sctFilterParams.timeout = 0;
sctFilterParams.flags = DMX_IMMEDIATE_START;
sctFilterParams.filter.filter[0]=0x42;
sctFilterParams.filter.mask[0]=0xff;
if (ioctl(fd_sdt,DMX_SET_FILTER,&sctFilterParams) < 0) {
perror("SDT - DMX_SET_FILTER:");
close(fd_sdt);
return;
}
max_k=1;
// printf("<sdt>\n");
for (k=0; k<max_k; k++) {
ufd.fd=fd_sdt;
ufd.events=POLLPRI;
if (poll(&ufd,1,20000) < 0 ) {
fprintf(stderr,"TIMEOUT on read from fd_sdt\n");
close(fd_sdt);
return;
}
if (read(fd_sdt,buf,3)==3) {
seclen=((buf[1] & 0x0f) << 8) | (buf[2] & 0xff);
n = read(fd_sdt,buf+3,seclen);
if (n==seclen) {
seclen+=3;
// printf("Read %d bytes\n",seclen);
// for (i=0;i<seclen+3;i++) { printf("%02x ",buf[i]); }
/* for (i=0;i< seclen;i++) {
printf("%02x ",buf[i]);
if ((i % 16)==15) {
printf(" ");
for (j=i-15;j<=i;j++) {
printf("%c",((buf[j]>31) && (buf[j]<=127)) ? buf[j] : '.');
}
printf("\n");
}
}
*/
section_number=buf[6];
last_section_number=buf[7];
fprintf(stderr,"Read SDT section - section_number=%d, last_section_number=%d\n",section_number,last_section_number);
max_k=buf[7]+1; // last_sec_num - read this many (+1) sections
i=11;
while (i < (seclen-4)) {
service_id=(buf[i]<<8)|buf[i+1];
i+=2;
i++; // Skip a field
ca=(buf[i]&0x10)>>4;
loop_length=((buf[i]&0x0f)<<8)|buf[i+1];
pmt_pid = get_pmt_pid(service_id);
printf("<service id=\"%d\" pmt_pid=\"%d\" ca=\"%d\">\n",service_id,pmt_pid,ca);
i+=2;
parse_descriptors(loop_length,&buf[i],&transponder,&transponders);
i+=loop_length;
scan_pmt(pmt_pid,service_id,(service_id==pnr));
printf("</service>\n");
}
} else {
int scan_nit(int x) {
int fd_nit;
int n,seclen;
int i;
struct pollfd ufd;
unsigned char buf[4096];
struct dmx_sct_filter_params sctFilterParams;
int info_len,network_id;
if((fd_nit = open(demuxdev[card],O_RDWR|O_NONBLOCK)) < 0) {
perror("fd_nit DEVICE: ");
return -1;
}
sctFilterParams.pid=0x10;
memset(&sctFilterParams.filter,0,sizeof(sctFilterParams.filter));
sctFilterParams.timeout = 0;
sctFilterParams.flags = DMX_IMMEDIATE_START;
sctFilterParams.filter.filter[0]=x;
sctFilterParams.filter.mask[0]=0xff;
if (ioctl(fd_nit,DMX_SET_FILTER,&sctFilterParams) < 0) {
perror("NIT - DMX_SET_FILTER:");
close(fd_nit);
return -1;
}
ufd.fd=fd_nit;
ufd.events=POLLPRI;
if (poll(&ufd,1,10000) < 0 ) {
fprintf(stderr,"TIMEOUT on read from fd_nit\n");
close(fd_nit);
return -1;
}
if (read(fd_nit,buf,3)==3) {
seclen=((buf[1] & 0x0f) << 8) | (buf[2] & 0xff);
n = read(fd_nit,buf+3,seclen);
if (n==seclen) {
seclen+=3;
// dump("nit.dat",seclen,buf);
// printf("<nit>\n");
network_id=(buf[3]<<8)|buf[4];
// printf("<network id=\"%d\">\n",network_id);
info_len=((buf[8]&0x0f)<<8)|buf[9];
i=10;
parse_descriptors(info_len,&buf[i],&transponder,&transponders);
i+=info_len;
i+=2;
while (i < (seclen-4)) {
transponder.id=(buf[i]<<8)|buf[i+1];
i+=2;
transponder.onid=(buf[i]<<8)|buf[i+1];
i+=2;
// printf("<transponder id=\"%d\" onid=\"%d\">\n",transponder.id,transponder.onid);
info_len=((buf[i]&0x0f)<<8)|buf[i+1];
i+=2;
parse_descriptors(info_len,&buf[i],&transponder,&transponders);
// printf("</transponder>\n");
i+=info_len;
}
// printf("</network>\n");
// printf("</nit>\n");
} else {
fprintf(stderr,"Under-read bytes for NIT - wanted %d, got %d\n",seclen,n);
}
} else {
fprintf(stderr,"Nothing to read from fd_nit\n");
}
close(fd_nit);
return(0);
}
void scan_pmt(int pid,int sid,int change) {
int fd_pmt;
int n,seclen;
int i;
unsigned char buf[4096];
struct dmx_sct_filter_params sctFilterParams;
int service_id;
int info_len,es_pid,stream_type;
struct pollfd ufd;
fprintf(stderr,"Scanning pmt: pid=%d, sid=%d\n",pid,sid);
if (pid==0) {
return;
}
if((fd_pmt = open(demuxdev[card],O_RDWR|O_NONBLOCK)) < 0) {
perror("fd_pmt DEVICE: ");
return;
}
sctFilterParams.pid=pid;
memset(&sctFilterParams.filter,0,sizeof(sctFilterParams.filter));
sctFilterParams.timeout = 0;
sctFilterParams.flags = DMX_IMMEDIATE_START;
sctFilterParams.filter.filter[0]=0x02;
sctFilterParams.filter.mask[0]=0xff;
if (ioctl(fd_pmt,DMX_SET_FILTER,&sctFilterParams) < 0) {
perror("PMT - DMX_SET_FILTER:");
close(fd_pmt);
return;
}
ufd.fd=fd_pmt;
ufd.events=POLLPRI;
if (poll(&ufd,1,10000) < 0) {
fprintf(stderr,"TIMEOUT reading from fd_pmt\n");
close(fd_pmt);
return;
}
if (read(fd_pmt,buf,3)==3) {
seclen=((buf[1] & 0x0f) << 8) | (buf[2] & 0xff);
n = read(fd_pmt,buf+3,seclen);
if (n==seclen) {
seclen+=3;
// printf("<pmt>\n");
service_id=(buf[3]<<8)|buf[4];
// printf("<service id=\"%d\" pmt_pid=\"%d\">\n",service_id,pid);
if (sid != service_id) {
close(fd_pmt);
scan_pmt(pid, sid, change);
return;
}
info_len=((buf[10]&0x0f)<<8)|buf[11];
i=12;
parse_descriptors(info_len,&buf[i],&transponder,&transponders);
i+=info_len;
while (i < (seclen-4)) {
stream_type=buf[i++];
es_pid=((buf[i]&0x1f)<<8)|buf[i+1];
printf("<stream type=\"%d\" pid=\"%d\">\n",stream_type,es_pid);
if (change) {
if ((vpid==0) && ((stream_type==1) || (stream_type==2))) {
vpid=es_pid;
}
if ((apid==0) && ((stream_type==3) || (stream_type==4))) {
apid=es_pid;
}
}
i+=2;
info_len=((buf[i]&0x0f)<<8)|buf[i+1];
i+=2;
parse_descriptors(info_len,&buf[i],&transponder,&transponders);
i+=info_len;
printf("</stream>\n");
}
// printf("</service>\n");
// printf("</pmt>\n");
} else {
printf("Under-read bytes for PMT - wanted %d, got %d\n",seclen,n);
}
} else {
fprintf(stderr,"Nothing to read from fd_pmt\n");
}
close(fd_pmt);
}
/* Return : None */
void insertion( struct usbd_connection *pConnection, usbd_device_instance_t *pInstance )
{
int rc;
struct usbd_device * pDevice;
pModule_data_t pModule, * ppModule;
if(verbosity)
printf("Try to inser device\n");
if( EOK != (rc = usbd_attach( pConnection, pInstance, sizeof(module_data_t **), &pDevice ) ))
{
char * pMsgTxt = "Error: cannot attach USB device #%i (error code is %i)\n";
fprintf(stderr, pMsgTxt, (int)(pInstance -> devno), rc);
slogf(_SLOG_SETCODE(_SLOGC_INPUT, 0), _SLOG_ERROR, pMsgTxt, (int)(pInstance -> devno), rc);
return;
}
ppModule = (pModule_data_t *)usbd_device_extra(pDevice);
// Try to find if somebody cares about keyboard reports
for(pModule = LIST_FIRST_ITEM(&modList); NULL != pModule; pModule = LIST_NEXT_ITEM(pModule, lst_conn))
{
// Check device number if specified
if( (USBD_CONNECT_WILDCARD != pModule -> nDev) && (pModule -> nDev != pInstance -> devno))
continue;
if( (USBD_CONNECT_WILDCARD != pModule -> nVendor) && (pModule -> nVendor != pInstance -> ident.vendor))
continue; // Wrong vendor - ignore
if((USBD_CONNECT_WILDCARD != pModule -> nClass) && (pModule -> nClass != pInstance -> ident.dclass))
continue;
if((USBD_CONNECT_WILDCARD != pModule -> nSubClass) && (pModule -> nSubClass != pInstance -> ident.subclass))
continue;
pModule -> pInstance = pInstance;
pModule -> pDevice = pDevice;
if( EOK == parse_descriptors( pModule) )
{
if( pModule -> ep_int_buf = usbd_alloc( pModule -> ep_int_size ) )
{
if( pModule -> urb = usbd_alloc_urb( NULL ) )
{
// Initialize request block
usbd_setup_interrupt( pModule -> urb,
URB_DIR_IN,
pModule -> ep_int_buf,
pModule->ep_int_size );
// Initialize Interrupt callback function
if( EOK == usbd_io( pModule -> urb,
pModule -> ep_int,
usb_dev_int,
pModule, USBD_TIME_INFINITY ) )
{
pModule -> flags |= USB_DEVICE_ON | USB_DEVICE_PRESENT;
*ppModule = pModule;
if(verbosity)
printf("Attach device\n");
return;
}
else
{
if(verbosity)
printf("Cannot attach device\n");
}
}
usbd_free( pModule -> ep_int_buf );
}
usbd_detach( pDevice );
}
}
}
