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Diffstat (limited to 'util/zap/zap.c')
| -rw-r--r-- | util/zap/zap.c | 226 |
1 files changed, 226 insertions, 0 deletions
diff --git a/util/zap/zap.c b/util/zap/zap.c new file mode 100644 index 0000000..6f3df33 --- /dev/null +++ b/util/zap/zap.c @@ -0,0 +1,226 @@ +/* + ZAP utility + + Copyright (C) 2004, 2005 Manu Abraham <abraham.manu@gmail.com> + 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 Lesser General Public License as + published by the Free Software Foundation; either version 2.1 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 Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with this library; if not, write to the Free Software + Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA +*/ + +#include <stdio.h> +#include <unistd.h> +#include <limits.h> +#include <string.h> +#include <fcntl.h> +#include <signal.h> +#include <pthread.h> +#include <sys/poll.h> +#include <libdvbapi/dvbdemux.h> +#include <libdvbapi/dvbaudio.h> +#include <libdvbsec/dvbsec_cfg.h> +#include <libucsi/mpeg/section.h> +#include "zap_dvb.h" +#include "zap_ca.h" + + +static void signal_handler(int _signal); + +static int quit_app = 0; + +void usage(void) +{ + static const char *_usage = "\n" + " ZAP: A zapping application\n" + " Copyright (C) 2004, 2005, 2006 Manu Abraham (manu@kromtek.com)\n" + " Copyright (C) 2006 Andrew de Quincey (adq_dvb@lidskialf.net)\n\n" + " usage: zap <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" + " -caslotnum <id> ca slot number to use (default 0)\n" + " -channels <filename> channels.conf file.\n" + " -secfile <filename> Optional sec.conf file.\n" + " -secid <secid> ID of the SEC configuration to use, one of:\n" + " -nomoveca Do not attempt to move CA descriptors from stream to programme level\n" + " <channel name>\n"; + fprintf(stderr, "%s\n", _usage); + + exit(1); +} + +int find_channel(struct dvbcfg_zapchannel *channel, void *private_data) +{ + struct dvbcfg_zapchannel *tmpchannel = private_data; + + if (strcmp(channel->name, tmpchannel->name) == 0) { + memcpy(tmpchannel, channel, sizeof(struct dvbcfg_zapchannel)); + return 1; + } + + return 0; +} + +int main(int argc, char *argv[]) +{ + int adapter_id = 0; + int frontend_id = 0; + int demux_id = 0; + int caslot_num = 0; + char *chanfile = "/etc/channels.conf"; + char *secfile = NULL; + char *secid = NULL; + char *channel_name = NULL; + int moveca = 1; + int argpos = 1; + struct zap_dvb_params zap_dvb_params; + struct zap_ca_params zap_ca_params; + + 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], "-caslotnum")) { + if ((argc - argpos) < 2) + usage(); + if (sscanf(argv[argpos+1], "%i", &caslot_num) != 1) + usage(); + argpos+=2; + } else if (!strcmp(argv[argpos], "-channels")) { + if ((argc - argpos) < 2) + usage(); + chanfile = argv[argpos+1]; + 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], "-nomoveca")) { + moveca = 0; + argpos++; + } else { + if ((argc - argpos) != 1) + usage(); + channel_name = argv[argpos]; + argpos++; + } + } + + // the user didn't select anything! + if (channel_name == NULL) + usage(); + + // setup any signals + signal(SIGINT, signal_handler); + signal(SIGPIPE, SIG_IGN); + + // start the CA stuff + zap_ca_params.adapter_id = adapter_id; + zap_ca_params.caslot_num = caslot_num; + zap_ca_params.moveca = moveca; + zap_ca_start(&zap_ca_params); + + // find the requested channel + if (strlen(channel_name) >= sizeof(zap_dvb_params.channel.name)) { + fprintf(stderr, "Channel name is too long %s\n", channel_name); + exit(1); + } + FILE *channel_file = fopen(chanfile, "r"); + if (channel_file == NULL) { + fprintf(stderr, "Could open channel file %s\n", chanfile); + exit(1); + } + memcpy(zap_dvb_params.channel.name, channel_name, strlen(channel_name) + 1); + if (dvbcfg_zapchannel_parse(channel_file, find_channel, &zap_dvb_params.channel) != 1) { + fprintf(stderr, "Unable to find requested channel %s\n", channel_name); + exit(1); + } + fclose(channel_file); + + // default SEC with a DVBS card + if ((secid == NULL) && (zap_dvb_params.channel.fe_type == DVBFE_TYPE_DVBS)) + secid = "UNIVERSAL"; + + // look it up if one were supplied + zap_dvb_params.valid_sec = 0; + if (secid != NULL) { + if (dvbsec_cfg_find(secfile, secid, + &zap_dvb_params.sec)) { + fprintf(stderr, "Unable to find suitable sec/lnb configuration for channel\n"); + exit(1); + } + zap_dvb_params.valid_sec = 1; + } + + // open the frontend + zap_dvb_params.fe = dvbfe_open(adapter_id, frontend_id, 0); + if (zap_dvb_params.fe == NULL) { + fprintf(stderr, "Failed to open frontend\n"); + exit(1); + } + + // start the DVB stuff + zap_dvb_params.adapter_id = adapter_id; + zap_dvb_params.frontend_id = frontend_id; + zap_dvb_params.demux_id = demux_id; + zap_dvb_start(&zap_dvb_params); + + // the UI + while(!quit_app) { + sleep(1); + } + + // shutdown DVB stuff + if (channel_name != NULL) + zap_dvb_stop(); + + // shutdown CA stuff + zap_ca_stop(); + + // done + exit(0); +} + +static void signal_handler(int _signal) +{ + (void) _signal; + + if (!quit_app) { + quit_app = 1; + } +} |