int tune::start_scan(unsigned int mode, bool epg, scan_progress_callback progress_cb, void *progress_context)
{
scan_progress_cb = progress_cb;
scan_progress_context = progress_context;
if (mode != SCAN_QAM)
mode = SCAN_VSB;
scan_mode = mode;
scan_epg = epg;
int fd = open_fe();
if (fd < 0)
return fd;
scan_complete = false;
f_kill_thread = false;
int ret = pthread_create(&h_thread, NULL, scan_thread, this);
if (0 != ret) {
perror("pthread_create() failed");
close_fe();
}
return ret;
}
/** @brief : List the capabilities of one card
*
*
*/
void show_card_capabilities( int card, int tuner )
{
int frontend_fd;
int i_ret;
int display_sr;
int frequency_factor;
/** The path of the card */
char card_dev_path[256];
sprintf(card_dev_path,DVB_DEV_PATH,card);
//Open the frontend
if(!open_fe (&frontend_fd, card_dev_path, tuner))
return;
//if(ioctl(fd_frontend,FE_READ_STATUS,&festatus) >= 0)
//print_status(festatus);
//get frontend info
struct dvb_frontend_info fe_info;
if ( (i_ret = ioctl(frontend_fd,FE_GET_INFO, &fe_info) < 0)){
log_message( log_module, MSG_ERROR, "FE_GET_INFO: %s \n", strerror(errno));
return;
}
log_message( log_module, MSG_INFO, "=========== Card %d - Tuner %d ===========\n", card, tuner);
log_message( log_module, MSG_INFO, " Frontend : %s\n", fe_info.name);
display_sr=0;
switch(fe_info.type)
{
case FE_OFDM:
log_message( log_module, MSG_INFO, " Terrestrial (DVB-T) card\n");
break;
case FE_QPSK:
log_message( log_module, MSG_INFO, " Satellite (DVB-S) card\n");
display_sr=1;
break;
case FE_QAM:
log_message( log_module, MSG_INFO, " Cable (DVB-C) card\n");
display_sr=1;
break;
case FE_ATSC:
log_message( log_module, MSG_INFO, " ATSC card\n");
break;
}
if(fe_info.type==FE_QPSK)
frequency_factor=1000;
else
frequency_factor=1;
if (frequency_factor!=0)
log_message( log_module, MSG_INFO, " Frequency: %d kHz to %d kHz\n",(int) fe_info.frequency_min/1000*frequency_factor,(int) fe_info.frequency_max/1000*frequency_factor);
else
log_message( log_module, MSG_WARN, " frequency_factor=0\n");
if(display_sr)
log_message( log_module, MSG_INFO, " Symbol rate: %d k symbols/s to %d k symbols/s \n", (int)fe_info.symbol_rate_min/1000, (int)fe_info.symbol_rate_max/1000);
log_message( log_module, MSG_DETAIL, " == Card capabilities ==");
log_message( log_module, MSG_DEBUG, "caps 0x%x\n",fe_info.caps);
frontend_cap_t caps[]={
{0x1,"FE_CAN_INVERSION_AUTO"},
{0x2,"FE_CAN_FEC_1_2"},
{0x4,"FE_CAN_FEC_2_3"},
{0x8,"FE_CAN_FEC_3_4"},
{0x10,"FE_CAN_FEC_4_5"},
{0x20,"FE_CAN_FEC_5_6"},
{0x40,"FE_CAN_FEC_6_7"},
{0x80,"FE_CAN_FEC_7_8"},
{0x100,"FE_CAN_FEC_8_9"},
{0x200,"FE_CAN_FEC_AUTO"},
{0x400,"FE_CAN_QPSK"},
{0x800,"FE_CAN_QAM_16"},
{0x1000,"FE_CAN_QAM_32"},
{0x2000,"FE_CAN_QAM_64"},
{0x4000,"FE_CAN_QAM_128"},
{0x8000,"FE_CAN_QAM_256"},
{0x10000,"FE_CAN_QAM_AUTO"},
{0x20000,"FE_CAN_TRANSMISSION_MODE_AUTO"},
{0x40000,"FE_CAN_BANDWIDTH_AUTO"},
{0x80000,"FE_CAN_GUARD_INTERVAL_AUTO"},
{0x100000,"FE_CAN_HIERARCHY_AUTO"},
{0x200000,"FE_CAN_8VSB"},
{0x400000,"FE_CAN_16VSB"},
{0x800000,"FE_HAS_EXTENDED_CAPS /* We need more bitspace for newer APIs, indicate this. */"},
{0x10000000,"FE_CAN_2G_MODULATION /* frontend supports '2nd generation modulation' (DVB-S2) */"},
{0x20000000,"FE_NEEDS_BENDING /* not supported anymore */"},
{0x40000000,"FE_CAN_RECOVER /* frontend can recover from a cable unplug automatically */"},
{0x80000000,"FE_CAN_MUTE_TS /* frontend can stop spurious TS data output */"},
};
int numcaps=28;
int i;
//todo : do a loop on a structure which contains the capabilities
for(i=0;i<numcaps;i++)
if(fe_info.caps & caps[i].flag)
log_message( log_module, MSG_DETAIL, "%s\n", caps[i].descr);
close (frontend_fd);
log_message( log_module, MSG_INFO, "\n");
}