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/*
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;
}
}
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