# Kabel TV-Imst (CNI)/at-CNI # 2017-09-13 # freq sr fec mod [CHANNEL] DELIVERY_SYSTEM = DVBC/ANNEX_A FREQUENCY = 330000000 SYMBOL_RATE = 6900000 INNER_FEC = NONE MODULATION = QAM/256 INVERSION = AUTO [CHANNEL] DELIVERY_SYSTEM = DVBC/ANNEX_A FREQUENCY = 338000000 SYMBOL_RATE = 6900000 INNER_FEC = NONE MODULATION = QAM/256 INVERSION = AUTO [CHANNEL] DELIVERY_SYSTEM = DVBC/ANNEX_A FREQUENCY = 346000000 SYMBOL_RATE = 6900000 INNER_FEC = NONE MODULATION = QAM/256 INVERSION = AUTO [CHANNEL] DELIVERY_SYSTEM = DVBC/ANNEX_A FREQUENCY = 354000000 SYMBOL_RATE = 6900000 INNER_FEC = NONE MODULATION = QAM/256 INVERSION = AUTO [CHANNEL] DELIVERY_SYSTEM = DVBC/ANNEX_A FREQUENCY = 362000000 SYMBOL_RATE = 6900000 INNER_FEC = NONE MODULATION = QAM/256 INVERSION = AUTO [CHANNEL] DELIVERY_SYSTEM = DVBC/ANNEX_A FREQUENCY = 370000000 SYMBOL_RATE = 6900000 INNER_FEC = NONE MODULATION = QAM/256 INVERSION = AUTO [CHANNEL] DELIVERY_SYSTEM = DVBC/ANNEX_A FREQUENCY = 378000000 SYMBOL_RATE = 6900000 INNER_FEC = NONE MODULATION = QAM/256 INVERSION = AUTO [CHANNEL] DELIVERY_SYSTEM = DVBC/ANNEX_A FREQUENCY = 386000000 SYMBOL_RATE = 6900000 INNER_FEC = NONE MODULATION = QAM/256 INVERSION = AUTO [CHANNEL] DELIVERY_SYSTEM = DVBC/ANNEX_A FREQUENCY = 394000000 SYMBOL_RATE = 6900000 INNER_FEC = NONE MODULATION = QAM/256 INVERSION = AUTO [CHANNEL] DELIVERY_SYSTEM = DVBC/ANNEX_A FREQUENCY = 402000000 SYMBOL_RATE = 6900000 INNER_FEC = NONE MODULATION = QAM/256 INVERSION = AUTO [CHANNEL] DELIVERY_SYSTEM = DVBC/ANNEX_A FREQUENCY = 410000000 SYMBOL_RATE = 6900000 INNER_FEC = NONE MODULATION = QAM/256 INVERSION = AUTO [CHANNEL] DELIVERY_SYSTEM = DVBC/ANNEX_A FREQUENCY = 418000000 SYMBOL_RATE = 6900000 INNER_FEC = NONE MODULATION = QAM/256 INVERSION = AUTO [CHANNEL] DELIVERY_SYSTEM = DVBC/ANNEX_A FREQUENCY = 426000000 SYMBOL_RATE = 6900000 INNER_FEC = NONE MODULATION = QAM/256 INVERSION = AUTO [CHANNEL] DELIVERY_SYSTEM = DVBC/ANNEX_A FREQUENCY = 434000000 SYMBOL_RATE = 6900000 INNER_FEC = NONE MODULATION = QAM/256 INVERSION = AUTO [CHANNEL] DELIVERY_SYSTEM = DVBC/ANNEX_A FREQUENCY = 442000000 SYMBOL_RATE = 6900000 INNER_FEC = NONE MODULATION = QAM/256 INVERSION = AUTO [CHANNEL] DELIVERY_SYSTEM = DVBC/ANNEX_A FREQUENCY = 450000000 SYMBOL_RATE = 6900000 INNER_FEC = NONE MODULATION = QAM/256 INVERSION = AUTO [CHANNEL] DELIVERY_SYSTEM = DVBC/ANNEX_A FREQUENCY = 458000000 SYMBOL_RATE = 6900000 INNER_FEC = NONE MODULATION = QAM/256 INVERSION = AUTO [CHANNEL] DELIVERY_SYSTEM = DVBC/ANNEX_A FREQUENCY = 466000000 SYMBOL_RATE = 6900000 INNER_FEC = NONE MODULATION = QAM/256 INVERSION = AUTO [CHANNEL] DELIVERY_SYSTEM = DVBC/ANNEX_A FREQUENCY = 474000000 SYMBOL_RATE = 6900000 INNER_FEC = NONE MODULATION = QAM/256 INVERSION = AUTO [CHANNEL] DELIVERY_SYSTEM = DVBC/ANNEX_A FREQUENCY = 482000000 SYMBOL_RATE = 6900000 INNER_FEC = NONE MODULATION = QAM/256 INVERSION = AUTO [CHANNEL] DELIVERY_SYSTEM = DVBC/ANNEX_A FREQUENCY = 490000000 SYMBOL_RATE = 6900000 INNER_FEC = NONE MODULATION = QAM/256 INVERSION = AUTO [CHANNEL] DELIVERY_SYSTEM = DVBC/ANNEX_A FREQUENCY = 498000000 SYMBOL_RATE = 6900000 INNER_FEC = NONE MODULATION = QAM/256 INVERSION = AUTO [CHANNEL] DELIVERY_SYSTEM = DVBC/ANNEX_A FREQUENCY = 506000000 SYMBOL_RATE = 6900000 INNER_FEC = NONE MODULATION = QAM/256 INVERSION = AUTO [CHANNEL] DELIVERY_SYSTEM = DVBC/ANNEX_A FREQUENCY = 514000000 SYMBOL_RATE = 6900000 INNER_FEC = NONE MODULATION = QAM/256 INVERSION = AUTO [CHANNEL] DELIVERY_SYSTEM = DVBC/ANNEX_A FREQUENCY = 522000000 SYMBOL_RATE = 6900000 INNER_FEC = NONE MODULATION = QAM/256 INVERSION = AUTO [CHANNEL] DELIVERY_SYSTEM = DVBC/ANNEX_A FREQUENCY = 530000000 SYMBOL_RATE = 6900000 INNER_FEC = NONE MODULATION = QAM/256 INVERSION = AUTO [CHANNEL] DELIVERY_SYSTEM = DVBC/ANNEX_A FREQUENCY = 538000000 SYMBOL_RATE = 6900000 INNER_FEC = NONE MODULATION = QAM/256 INVERSION = AUTO [CHANNEL] DELIVERY_SYSTEM = DVBC/ANNEX_A FREQUENCY = 546000000 SYMBOL_RATE = 6900000 INNER_FEC = NONE MODULATION = QAM/256 INVERSION = AUTO [CHANNEL] DELIVERY_SYSTEM = DVBC/ANNEX_A FREQUENCY = 554000000 SYMBOL_RATE = 6900000 INNER_FEC = NONE MODULATION = QAM/256 INVERSION = AUTO [CHANNEL] DELIVERY_SYSTEM = DVBC/ANNEX_A FREQUENCY = 562000000 SYMBOL_RATE = 6900000 INNER_FEC = NONE MODULATION = QAM/256 INVERSION = AUTO [CHANNEL] DELIVERY_SYSTEM = DVBC/ANNEX_A FREQUENCY = 570000000 SYMBOL_RATE = 6900000 INNER_FEC = NONE MODULATION = QAM/256 INVERSION = AUTO [CHANNEL] DELIVERY_SYSTEM = DVBC/ANNEX_A FREQUENCY = 578000000 SYMBOL_RATE = 6900000 INNER_FEC = NONE MODULATION = QAM/256 INVERSION = AUTO ' href='#n59'>59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 
#include <stdio.h>
#include <string.h>
#include <sys/time.h>
#include <time.h>
#include <stdlib.h>
#include <unistd.h>
#include <signal.h>
#include "os.h"
#include "vt.h"
#include "fdset.h"
#include "vbi.h"
#include "lang.h"
#include "misc.h"

char *fmt = "%a %b %d %H:%M:%S %Z %Y";
int max_diff = 2*60*60; // default: 2 hours
int set_time = 0;
char *outfile = "";
static char *channel;
u_int16_t sid;


static void chk_time(int t)
{
    struct tm *tm;
    time_t sys_t;
    int dt;
    char buf[256];

    if (t < 0 || t > 235959 || t%100 > 59 || t/100%100 > 59)
    return;

    sys_t = time(0);
    tm = localtime(&sys_t);

    // Now convert to UTC seconds
    t = t/100/100 * 60*60 + t/100%100 * 60 + t%100;
#ifdef BSD
    t -= tm->tm_gmtoff; // dst already included...
#else
    t += timezone;
    if (tm->tm_isdst)
	t -= 60*60;
#endif

    dt = t - sys_t % (24*60*60);
    if (dt <= -12*60*60)
	dt += 24*60*60;

    if (dt <= -max_diff || dt >= max_diff)
	fatal("time diff too big (%2d:%02d:%02d)", dt/60/60, abs(dt)/60%60, abs(dt)%60);

    sys_t += dt;

    if (set_time)
    {
	struct timeval tv[1];

	tv->tv_sec = sys_t;
	tv->tv_usec = 500000;
	if (settimeofday(tv, 0) == -1)
	    ioerror("settimeofday");
    }
    if (*fmt)
    {
	tm = localtime(&sys_t);
	if (strftime(buf, sizeof(buf), fmt, tm))
	    puts(buf);
    }
    exit(0);
}


static void event(void *_, struct vt_event *ev)
{
    switch (ev->type)
    {
	/* vbi may generate EV_PAGE, EV_HEADER, EV_XPACKET */
	/* for event arguments see vt.h */

	case EV_HEADER: // a new title line (for running headers)
	{
	    static int last_t = -1;
	    u8 *s = ev->p1;
	    int i, t = 1;

	    if (ev->i2 & PG_OUTOFSEQ)
		break;

	    for (i = 32; i < 40; ++i)
		if (s[i] >= '0' && s[i] <= '9')
		    t = t * 10+ s[i] - '0';
	    if (t >= 1000000 && t <= 1235959)
		if (t == last_t || t - last_t == 1)
		    chk_time(t - 1000000);
	    last_t = t;
	    break;
	}
    }
}


static void usage(FILE *fp, int exit_val)
{
    fprintf(fp, "usage: %s [options]\n", prgname);
    fprintf(fp,
	    "\n"
	    "  Valid options:\t\tDefault:\n"
	    "    -d -delta <max_secs>\t7200 (2 hours)\n"
	    "    -f -format <fmtstr>\t\t%%c\n"
	    "    -h -help\n"
	    "    -s -set\t\t\toff\n"
	    "    -to -timeout <seconds>\t(none)\n"
	    "    -v -vbi <vbidev>\t\t/dev/vbi\n"
		"                 \t\t/dev/vbi0\n"
		"                 \t\t/dev/video0\n"
		"                 \t\t/dev/dvb/adapter0/demux0\n"
	    );
    exit(exit_val);
}


static int option(int argc, char **argv, int *ind, char **arg)
{
    static struct { char *nam, *altnam; int arg; } opts[] = {
	{ "-delta", "-d", 1 },
	{ "-format", "-f", 1 },
	{ "-help", "-h", 0 },
	{ "-set", "-s", 0 },
	{ "-timeout", "-to", 1 },
	{ "-vbi", "-v", 1 },
    };
    int i;

    if (*ind >= argc)
	return 0;

    *arg = argv[(*ind)++];
    for (i = 0; i < NELEM(opts); ++i)
	if (streq(*arg, opts[i].nam) || streq(*arg, opts[i].altnam))
	{
	    if (opts[i].arg)
		if (*ind < argc)
		    *arg = argv[(*ind)++];
		else
		    fatal("option %s requires an argument", *arg);
	    return i+1;
	}

    if (**arg == '-')
    {
	fatal("%s: invalid option", *arg);
	usage(stderr, 1);
    }

    return -1;
}


int main(int argc, char **argv)
{
    char *vbi_name = NULL;
    int timeout = 0;
    struct vbi *vbi;
    int opt, ind;
    char *arg;
    int ttpid = -1;

    setprgname(argv[0]);
    ind = 1;
    while (opt = option(argc, argv, &ind, &arg))
	switch (opt)
	{
	    case 1: // -delta
		max_diff = atoi(arg);
		if (max_diff < 1)
		    fatal("-delta: illegal value '%s'", arg);
		if (max_diff > 12*60*60)
		{
		    max_diff = 12*60*60;
		    error("-delta: %d too big. Assuming %d", arg, max_diff);
		}
		break;
	    case 2: // -format
		fmt = arg;
		break;
	    case 3: // help
		usage(stdout, 0);
		break;
	    case 4: // -set
		set_time = 1;
		break;
	    case 5: // -timeout
		timeout = atoi(arg);
		if (timeout < 1 || timeout > 60*60)
		    fatal("-timeout: illegal value '%s'", arg);
		break;
	    case 6: // -vbi
		vbi_name = arg;
		break;
	    case -1:
		usage(stderr, 1);
		break;
	}

    fdset_init(fds);

    if (timeout)
    {
	signal(SIGALRM, SIG_DFL); // kill me
	alarm(timeout);
    }
    vbi = vbi_open(vbi_name, 0, channel, outfile, sid, ttpid); // open device
    if (not vbi)
	fatal_ioerror(vbi_name);
    vbi_add_handler(vbi, event, 0); // register event handler

    for (;;)
	fdset_select(fds, -1); // call scheduler

    /* never reached */
    vbi_del_handler(vbi, event, 0);
    vbi_close(vbi);
    exit(0);
}