lcd4linux.git - lcd4linux

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Diffstat (limited to 'contrib/picoLCD/rsstimer.py')

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/* dvbscan utility Copyright (C) 2006 Andrew de Quincey (adq_dvb@lidskialf.net) This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ #include <stdlib.h> #include <unistd.h> #include <stdio.h> #include <string.h> #include <time.h> #include <libdvbsec/dvbsec_cfg.h> #include <libdvbcfg/dvbcfg_scanfile.h> #include <libdvbapi/dvbdemux.h> #include "dvbscan.h" #define OUTPUT_TYPE_RAW 1 #define OUTPUT_TYPE_CHANNELS 2 #define OUTPUT_TYPE_VDR12 3 #define OUTPUT_TYPE_VDR13 4 #define SERVICE_FILTER_TV 1 #define SERVICE_FILTER_RADIO 2 #define SERVICE_FILTER_OTHER 4 #define SERVICE_FILTER_ENCRYPTED 8 #define TIMEOUT_WAIT_LOCK 2 // transponders we have yet to scan static struct transponder *toscan = NULL; static struct transponder *toscan_end = NULL; // transponders we have scanned static struct transponder *scanned = NULL; static struct transponder *scanned_end = NULL; static void usage(void) { static const char *_usage = "\n" " dvbscan: A digital tv channel scanning utility\n" " Copyright (C) 2006 Andrew de Quincey (adq_dvb@lidskialf.net)\n\n" " usage: dvbscan <options> as follows:\n" " -h help\n" " -adapter <id> adapter to use (default 0)\n" " -frontend <id> frontend to use (default 0)\n" " -demux <id> demux to use (default 0)\n" " -secfile <filename> Optional sec.conf file.\n" " -secid <secid> ID of the SEC configuration to use, one of:\n" " * UNIVERSAL (default) - Europe, 10800 to 11800 MHz and 11600 to 12700 Mhz,\n" " Dual LO, loband 9750, hiband 10600 MHz.\n" " * DBS - Expressvu, North America, 12200 to 12700 MHz, Single LO, 11250 MHz.\n" " * STANDARD - 10945 to 11450 Mhz, Single LO, 10000 Mhz.\n" " * ENHANCED - Astra, 10700 to 11700 MHz, Single LO, 9750 MHz.\n" " * C-BAND - Big Dish, 3700 to 4200 MHz, Single LO, 5150 Mhz.\n" " * C-MULTI - Big Dish - Multipoint LNBf, 3700 to 4200 MHz,\n" " Dual LO, H:5150MHz, V:5750MHz.\n" " * One of the sec definitions from the secfile if supplied\n" " -satpos <position> Specify DISEQC switch position for DVB-S.\n" " -inversion <on|off|auto> Specify inversion (default: auto).\n" " -uk-ordering Use UK DVB-T channel ordering if present.\n" " -timeout <secs> Specify filter timeout to use (standard specced values will be used by default)\n" " -filter <filter> Specify service filter, a comma seperated list of the following tokens:\n" " (If no filter is supplied, all services will be output)\n" " * tv - Output TV channels\n" " * radio - Output radio channels\n" " * other - Output other channels\n" " * encrypted - Output encrypted channels\n" " -out raw <filename>|- Output in raw format to <filename> or stdout\n" " channels <filename>|- Output in channels.conf format to <filename> or stdout.\n" " vdr12 <filename>|- Output in vdr 1.2.x format to <filename> or stdout.\n" " vdr13 <filename>|- Output in vdr 1.3.x format to <filename> or stdout.\n" " <initial scan file>\n"; fprintf(stderr, "%s\n", _usage); exit(1); } static int scan_load_callback(struct dvbcfg_scanfile *channel, void *private_data) { struct dvbfe_info *feinfo = (struct dvbfe_info *) private_data; if (channel->fe_type != feinfo->type) return 0; struct transponder *t = new_transponder(); append_transponder(t, &toscan, &toscan_end); memcpy(&t->params, &channel->fe_params, sizeof(struct dvbfe_parameters)); add_frequency(t, t->params.frequency); t->params.frequency = 0; return 0; } int main(int argc, char *argv[]) { uint32_t i; int argpos = 1; int adapter_id = 0; int frontend_id = 0; int demux_id = 0; char *secfile = NULL; char *secid = NULL; int satpos = 0; enum dvbfe_spectral_inversion inversion = DVBFE_INVERSION_AUTO; int service_filter = -1; int uk_ordering = 0; int timeout = 5; int output_type = OUTPUT_TYPE_RAW; char *output_filename = NULL; char *scan_filename = NULL; struct dvbsec_config sec; int valid_sec = 0; while(argpos != argc) { if (!strcmp(argv[argpos], "-h")) { usage(); } else if (!strcmp(argv[argpos], "-adapter")) { if ((argc - argpos) < 2) usage(); if (sscanf(argv[argpos+1], "%i", &adapter_id) != 1) usage(); argpos+=2; } else if (!strcmp(argv[argpos], "-frontend")) { if ((argc - argpos) < 2) usage(); if (sscanf(argv[argpos+1], "%i", &frontend_id) != 1) usage(); argpos+=2; } else if (!strcmp(argv[argpos], "-demux")) { if ((argc - argpos) < 2) usage(); if (sscanf(argv[argpos+1], "%i", &demux_id) != 1) usage(); argpos+=2; } else if (!strcmp(argv[argpos], "-secfile")) { if ((argc - argpos) < 2) usage(); secfile = argv[argpos+1]; argpos+=2; } else if (!strcmp(argv[argpos], "-secid")) { if ((argc - argpos) < 2) usage(); secid = argv[argpos+1]; argpos+=2; } else if (!strcmp(argv[argpos], "-satpos")) { if ((argc - argpos) < 2) usage(); if (sscanf(argv[argpos+1], "%i", &satpos) != 1) usage(); argpos+=2; } else if (!strcmp(argv[argpos], "-inversion")) { if ((argc - argpos) < 2) usage(); if (!strcmp(argv[argpos+1], "off")) { inversion = DVBFE_INVERSION_OFF; } else if (!strcmp(argv[argpos+1], "on")) { inversion = DVBFE_INVERSION_ON; } else if (!strcmp(argv[argpos+1], "auto")) { inversion = DVBFE_INVERSION_AUTO; } else { usage(); } argpos+=2; } else if (!strcmp(argv[argpos], "-uk-ordering")) { if ((argc - argpos) < 1) usage(); uk_ordering = 1; } else if (!strcmp(argv[argpos], "-timeout")) { if ((argc - argpos) < 2) usage(); if (sscanf(argv[argpos+1], "%i", &timeout) != 1) usage(); argpos+=2; } else if (!strcmp(argv[argpos], "-filter")) { if ((argc - argpos) < 2) usage(); service_filter = 0; if (!strstr(argv[argpos+1], "tv")) { service_filter |= SERVICE_FILTER_TV; } if (!strstr(argv[argpos+1], "radio")) { service_filter |= SERVICE_FILTER_RADIO; } if (!strstr(argv[argpos+1], "other")) { service_filter |= SERVICE_FILTER_OTHER; } if (!strstr(argv[argpos+1], "encrypted")) { service_filter |= SERVICE_FILTER_ENCRYPTED; } argpos+=2; } else if (!strcmp(argv[argpos], "-out")) { if ((argc - argpos) < 3) usage(); if (!strcmp(argv[argpos+1], "raw")) { output_type = OUTPUT_TYPE_RAW; } else if (!strcmp(argv[argpos+1], "channels")) { output_type = OUTPUT_TYPE_CHANNELS; } else if (!strcmp(argv[argpos+1], "vdr12")) { output_type = OUTPUT_TYPE_VDR12; } else if (!strcmp(argv[argpos+1], "vdr13")) { output_type = OUTPUT_TYPE_VDR13; } else { usage(); } output_filename = argv[argpos+2]; if (!strcmp(output_filename, "-")) output_filename = NULL; } else { if ((argc - argpos) != 1) usage(); scan_filename = argv[argpos]; argpos++; } } // open the frontend & get its type struct dvbfe_handle *fe = dvbfe_open(adapter_id, frontend_id, 0); if (fe == NULL) { fprintf(stderr, "Failed to open frontend\n"); exit(1); } struct dvbfe_info feinfo; if (dvbfe_get_info(fe, 0, &feinfo, DVBFE_INFO_QUERYTYPE_IMMEDIATE, 0) != 0) { fprintf(stderr, "Failed to query frontend\n"); exit(1); } // default SEC with a DVBS card if ((secid == NULL) && (feinfo.type == DVBFE_TYPE_DVBS)) secid = "UNIVERSAL"; // look up SECID if one was supplied if (secid != NULL) { if (dvbsec_cfg_find(secfile, secid, &sec)) { fprintf(stderr, "Unable to find suitable sec/lnb configuration for channel\n"); exit(1); } valid_sec = 1; } // load the initial scan file FILE *scan_file = fopen(scan_filename, "r"); if (scan_file == NULL) { fprintf(stderr, "Could not open scan file %s\n", scan_filename); exit(1); } if (dvbcfg_scanfile_parse(scan_file, scan_load_callback, &feinfo) < 0) { fprintf(stderr, "Could not parse scan file %s\n", scan_filename); exit(1); } fclose(scan_file); // main scan loop while(toscan) { // get the first item on the toscan list struct transponder *tmp = first_transponder(&toscan, &toscan_end); // have we already seen this transponder? if (seen_transponder(tmp, scanned)) { free_transponder(tmp); continue; } // do we have a valid SEC configuration? struct dvbsec_config *psec = NULL; if (valid_sec) psec = &sec; // tune it int tuned_ok = 0; for(i=0; i < tmp->frequency_count; i++) { tmp->params.frequency = tmp->frequencies[i]; if (dvbsec_set(fe, psec, tmp->polarization, (satpos & 0x01) ? DISEQC_SWITCH_B : DISEQC_SWITCH_A, (satpos & 0x02) ? DISEQC_SWITCH_B : DISEQC_SWITCH_A, &tmp->params, 0)) { fprintf(stderr, "Failed to set frontend\n"); exit(1); } // wait for lock time_t starttime = time(NULL); while((time(NULL) - starttime) < TIMEOUT_WAIT_LOCK) { if (dvbfe_get_info(fe, DVBFE_INFO_LOCKSTATUS, &feinfo, DVBFE_INFO_QUERYTYPE_IMMEDIATE, 0) != DVBFE_INFO_QUERYTYPE_IMMEDIATE) { fprintf(stderr, "Unable to query frontend status\n"); exit(1); } if (feinfo.lock) { tuned_ok = 1; break; } usleep(100000); } } if (!tuned_ok) { free_transponder(tmp); continue; } // scan it switch(feinfo.type) { case DVBFE_TYPE_DVBS: case DVBFE_TYPE_DVBC: case DVBFE_TYPE_DVBT: dvbscan_scan_dvb(fe); break; case DVBFE_TYPE_ATSC: dvbscan_scan_atsc(fe); break; } // add to scanned list. append_transponder(tmp, &scanned, &scanned_end); } // FIXME: output the data return 0; } int create_section_filter(int adapter, int demux, uint16_t pid, uint8_t table_id) { int demux_fd = -1; uint8_t filter[18]; uint8_t mask[18]; // open the demuxer if ((demux_fd = dvbdemux_open_demux(adapter, demux, 0)) < 0) { return -1; } // create a section filter memset(filter, 0, sizeof(filter)); memset(mask, 0, sizeof(mask)); filter[0] = table_id; mask[0] = 0xFF; if (dvbdemux_set_section_filter(demux_fd, pid, filter, mask, 1, 1)) { close(demux_fd); return -1; } // done return demux_fd; }


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