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media_build/szap-s2/szap-s2.c
CrazyCat d81fa6a944 Compilation fixes for szap-s2, tzap-t2.
2024-08-02 18:45:23 +03:00

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/* szap-s2 -- simple zapping tool for the Linux DVB S2 API
*
* Copyright (C) 2008 Igor M. Liplianin (liplianin@me.by)
* Copyright (C) 2013 CrazyCat (crazycat69@narod.ru)
*
* 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 <stdio.h>
#include <stdlib.h>
#include <limits.h>
#include <string.h>
#include <errno.h>
#include <signal.h>
#include <sys/ioctl.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/poll.h>
#include <sys/param.h>
#include <fcntl.h>
#include <time.h>
#include <unistd.h>
#include <ctype.h>
#include <stdint.h>
#include <sys/time.h>
#include <linux/dvb/frontend.h>
#include <linux/dvb/dmx.h>
#include <linux/dvb/audio.h>
#include <linux/dvb/version.h>
#include "lnb.h"
#if DVB_API_VERSION < 5 || DVB_API_VERSION_MINOR < 2
#error szap-s2 requires Linux DVB driver API version 5.2 and newer!
#endif
#if 0
#ifndef DTV_STREAM_ID
#define DTV_STREAM_ID 42
#endif
#ifndef DTV_MODCODE
#define DTV_MODCODE 43
#endif
#ifndef NO_STREAM_ID_FILTER
#define NO_STREAM_ID_FILTER (~0U)
#endif
#ifndef MODCODE_ALL
#define MODCODE_ALL (~0U)
#endif
#endif
#ifndef TRUE
#define TRUE (1==1)
#endif
#ifndef FALSE
#define FALSE (1==0)
#endif
/* location of channel list file */
#define CHANNEL_FILE "channels.conf"
/* one line of the szap channel file has the following format:
* ^name:frequency_MHz:polarization:sat_no:symbolrate:vpid:apid:service_id$
* one line of the VDR channel file has the following format:
* ^name:frequency_MHz:polarization[coderate][delivery][modulation][rolloff]:sat_no:symbolrate:vpid:apid:?:?:service_id:?:?:?$
*/
#define FRONTENDDEVICE "/dev/dvb/adapter%d/frontend%d"
#define DEMUXDEVICE "/dev/dvb/adapter%d/demux%d"
#define AUDIODEVICE "/dev/dvb/adapter%d/audio%d"
struct t_channel_parameter_map {
int user_value;
int driver_value;
const char *user_string;
};
/* --- Channel Parameter Maps From VDR---*/
static struct t_channel_parameter_map inversion_values[] = {
{ 0, INVERSION_OFF, "off" },
{ 1, INVERSION_ON, "on" },
{ 999, INVERSION_AUTO },
{ -1 }
};
static struct t_channel_parameter_map coderate_values[] = {
{ 0, FEC_NONE, "none" },
{ 12, FEC_1_2, "1/2" },
// { 13, FEC_1_3, "1/3" },
// { 14, FEC_1_4, "1/4" },
{ 23, FEC_2_3, "2/3" },
// { 25, FEC_2_5, "2/5" },
{ 34, FEC_3_4, "3/4" },
{ 35, FEC_3_5, "3/5" },
{ 45, FEC_4_5, "4/5" },
{ 56, FEC_5_6, "5/6" },
{ 67, FEC_6_7, "6/7" },
{ 78, FEC_7_8, "7/8" },
{ 89, FEC_8_9, "8/9" },
{ 910, FEC_9_10, "9/10" },
{ 999, FEC_AUTO, "auto" },
{ -1 }
};
static struct t_channel_parameter_map modulation_values[] = {
// { 0, NONE, "none" },
// { 4, QAM_4, "QAM4" },
{ 16, QAM_16, "QAM16" },
{ 32, QAM_32, "QAM32" },
{ 64, QAM_64, "QAM64" },
{ 128, QAM_128, "QAM128" },
{ 256, QAM_256, "QAM256" },
// { 512, QAM_512, "QAM512" },
// {1024, QAM_1024, "QAM1024" },
// { 1, BPSK, "BPSK" },
{ 2, QPSK, "QPSK" },
// { 3, OQPSK, "OQPSK" },
{ 5, PSK_8, "8PSK" },
{ 6, APSK_16, "16APSK" },
{ 7, APSK_32, "32APSK" },
// { 8, OFDM, "OFDM" },
// { 9, COFDM, "COFDM" },
{ 10, VSB_8, "VSB8" },
{ 11, VSB_16, "VSB16" },
{ 998, QAM_AUTO, "QAMAUTO" },
// { 999, AUTO },
{ -1 }
};
static struct t_channel_parameter_map system_values[] = {
{ 0, SYS_DVBS, "DVB-S" },
{ 1, SYS_DVBS2, "DVB-S2" },
{ -1 }
};
static struct t_channel_parameter_map rolloff_values[] = {
// { 0, ROLLOFF_AUTO, "auto"},
{ 20, ROLLOFF_20, "0.20" },
{ 25, ROLLOFF_25, "0.25" },
{ 35, ROLLOFF_35, "0.35" },
{ -1 }
};
static int user_index(int value, const struct t_channel_parameter_map * map)
{
const struct t_channel_parameter_map *umap = map;
while (umap && umap->user_value != -1) {
if (umap->user_value == value)
return umap - map;
umap++;
}
return -1;
};
static int driver_index(int value, const struct t_channel_parameter_map *map)
{
const struct t_channel_parameter_map *umap = map;
while (umap && umap->user_value != -1) {
if (umap->driver_value == value)
return umap - map;
umap++;
}
return -1;
};
static int map_to_user(int value, const struct t_channel_parameter_map *map, char **string)
{
int n = driver_index(value, map);
if (n >= 0) {
if (string)
*string = (char *)map[n].user_string;
return map[n].user_value;
}
return -1;
}
static int map_to_driver(int value, const struct t_channel_parameter_map *map)
{
int n = user_index(value, map);
if (n >= 0)
return map[n].driver_value;
return -1;
}
static struct lnb_types_st lnb_type;
static int exit_after_tuning;
static int interactive;
static int quiet;
static char *usage_str =
"\nusage: szap-s2 -q\n"
" list known channels\n"
" szap-s2 [options] {-n channel-number|channel_name}\n"
" zap to channel via number or full name (case insensitive)\n"
" -a number : use given adapter (default 0)\n"
" -f number : use given frontend (default 0)\n"
" -d number : use given demux (default 0)\n"
" -c file : read channels list from 'file'\n"
" -V : use VDR channels list file format (default zap)\n"
" -b : enable Audio Bypass (default no)\n"
" -x : exit after tuning\n"
" -H : human readable output\n"
" -D : params debug\n"
" -r : set up /dev/dvb/adapterX/dvr0 for TS recording\n"
" -l lnb-type (DVB-S Only) (use -l help to print types) or \n"
" -l low[,high[,switch]] in Mhz\n"
" -i : run interactively, allowing you to type in channel names\n"
" -Q : query signal statistic once\n"
" -p : add pat and pmt to TS recording (implies -r)\n"
" or -n numbers for zapping\n"
" -t : add teletext to TS recording (needs -V)\n"
" -S : delivery system type DVB-S=0, DVB-S2=1\n"
" -M : modulation 1=BPSK 2=QPSK 5=8PSK\n"
" -C : fec 0=NONE 12=1/2 23=2/3 34=3/4 35=3/5 45=4/5 56=5/6 67=6/7 89=8/9 910=9/10 999=AUTO\n"
" -O : rolloff 35=0.35 25=0.25 20=0.20 0=UNKNOWN\n"
" -m : DVB-S2 modcode mask 0 - 1fffffff\n"
" -s : DVB-S2 input stream 0-255\n";
static int set_demux(int dmxfd, int pid, int pes_type, int dvr)
{
struct dmx_pes_filter_params pesfilter;
if (pid < 0 || pid >= 0x1fff) /* ignore this pid to allow radio services */
return TRUE;
if (dvr) {
int buffersize = 64 * 1024;
if (ioctl(dmxfd, DMX_SET_BUFFER_SIZE, buffersize) == -1)
perror("DMX_SET_BUFFER_SIZE failed");
}
pesfilter.pid = pid;
pesfilter.input = DMX_IN_FRONTEND;
pesfilter.output = dvr ? DMX_OUT_TS_TAP : DMX_OUT_DECODER;
pesfilter.pes_type = pes_type;
pesfilter.flags = DMX_IMMEDIATE_START;
if (ioctl(dmxfd, DMX_SET_PES_FILTER, &pesfilter) == -1) {
fprintf(stderr, "DMX_SET_PES_FILTER failed "
"(PID = 0x%04x): %d %m\n", pid, errno);
return FALSE;
}
return TRUE;
}
int get_pmt_pid(char *dmxdev, int sid)
{
int patfd, count;
int pmt_pid = 0;
int patread = 0;
int section_length;
unsigned char buft[4096];
unsigned char *buf = buft;
struct dmx_sct_filter_params f;
memset(&f, 0, sizeof(f));
f.pid = 0;
f.filter.filter[0] = 0x00;
f.filter.mask[0] = 0xff;
f.timeout = 0;
f.flags = DMX_IMMEDIATE_START | DMX_CHECK_CRC;
if ((patfd = open(dmxdev, O_RDWR)) < 0) {
perror("openening pat demux failed");
return -1;
}
if (ioctl(patfd, DMX_SET_FILTER, &f) == -1) {
perror("ioctl DMX_SET_FILTER failed");
close(patfd);
return -1;
}
while (!patread) {
if (((count = read(patfd, buf, sizeof(buft))) < 0) && errno == EOVERFLOW)
count = read(patfd, buf, sizeof(buft));
if (count < 0) {
perror("read_sections: read error");
close(patfd);
return -1;
}
section_length = ((buf[1] & 0x0f) << 8) | buf[2];
if (count != section_length + 3)
continue;
buf += 8;
section_length -= 8;
patread = 1; /* assumes one section contains the whole pat */
while (section_length > 0) {
int service_id = (buf[0] << 8) | buf[1];
if (service_id == sid) {
pmt_pid = ((buf[2] & 0x1f) << 8) | buf[3];
section_length = 0;
}
buf += 4;
section_length -= 4;
}
}
close(patfd);
return pmt_pid;
}
struct diseqc_cmd {
struct dvb_diseqc_master_cmd cmd;
uint32_t wait;
};
void diseqc_send_msg(int fd, fe_sec_voltage_t v, struct diseqc_cmd *cmd,
fe_sec_tone_mode_t t, fe_sec_mini_cmd_t b)
{
if (ioctl(fd, FE_SET_TONE, SEC_TONE_OFF) == -1)
perror("FE_SET_TONE failed");
if (ioctl(fd, FE_SET_VOLTAGE, v) == -1)
perror("FE_SET_VOLTAGE failed");
usleep(15 * 1000);
if (ioctl(fd, FE_DISEQC_SEND_MASTER_CMD, &cmd->cmd) == -1)
perror("FE_DISEQC_SEND_MASTER_CMD failed");
usleep(cmd->wait * 1000);
usleep(15 * 1000);
if (ioctl(fd, FE_DISEQC_SEND_BURST, b) == -1)
perror("FE_DISEQC_SEND_BURST failed");
usleep(15 * 1000);
if (ioctl(fd, FE_SET_TONE, t) == -1)
perror("FE_SET_TONE failed");
}
/* digital satellite equipment control,
* specification is available from http://www.eutelsat.com/
*/
static int diseqc(int secfd, int sat_no, int pol_vert, int hi_band)
{
struct diseqc_cmd cmd =
{ {{0xe0, 0x10, 0x38, 0xf0, 0x00, 0x00}, 4}, 0 };
/**
* param: high nibble: reset bits, low nibble set bits,
* bits are: option, position, polarizaion, band
*/
cmd.cmd.msg[3] =
0xf0 | (((sat_no * 4) & 0x0f) | (hi_band ? 1 : 0) | (pol_vert ? 0 : 2));
diseqc_send_msg(secfd, pol_vert ? SEC_VOLTAGE_13 : SEC_VOLTAGE_18,
&cmd, hi_band ? SEC_TONE_ON : SEC_TONE_OFF,
(sat_no / 4) % 2 ? SEC_MINI_B : SEC_MINI_A);
return TRUE;
}
static int do_tune(int fefd, unsigned int ifreq, unsigned int sr, enum fe_delivery_system delsys,
int modulation, int fec, int rolloff, int stream_id, unsigned int modcode)
{
struct dvb_frontend_event ev;
struct dtv_property p[] = {
{ .cmd = DTV_DELIVERY_SYSTEM, .u.data = delsys },
{ .cmd = DTV_FREQUENCY, .u.data = ifreq },
{ .cmd = DTV_MODULATION, .u.data = modulation },
{ .cmd = DTV_SYMBOL_RATE, .u.data = sr },
{ .cmd = DTV_INNER_FEC, .u.data = fec },
{ .cmd = DTV_INVERSION, .u.data = INVERSION_AUTO },
{ .cmd = DTV_ROLLOFF, .u.data = rolloff },
{ .cmd = DTV_PILOT, .u.data = PILOT_AUTO },
{ .cmd = DTV_STREAM_ID, .u.data = stream_id },
{ .cmd = DTV_MODCODE, .u.data = modcode },
{ .cmd = DTV_TUNE },
};
struct dtv_properties cmdseq = {
.num = sizeof(p)/sizeof(p[0]),
.props = p
};
/* discard stale QPSK events */
while (1) {
if (ioctl(fefd, FE_GET_EVENT, &ev) == -1)
break;
}
if ((delsys != SYS_DVBS) && (delsys != SYS_DVBS2))
return -EINVAL;
if ((ioctl(fefd, FE_SET_PROPERTY, &cmdseq)) == -1) {
perror("FE_SET_PROPERTY failed");
return FALSE;
}
return TRUE;
}
static
int check_frontend (int fe_fd, int dvr, int human_readable, int params_debug,
int hiband)
{
(void)dvr;
fe_status_t status;
uint16_t snr, signal;
uint32_t ber, uncorrected_blocks;
int16_t temp;
int timeout = 0, signal_once = 0;
char *field;
struct dtv_property p[] = {
{ .cmd = DTV_DELIVERY_SYSTEM },
{ .cmd = DTV_MODULATION },
{ .cmd = DTV_INNER_FEC },
{ .cmd = DTV_ROLLOFF },
{ .cmd = DTV_FREQUENCY },
{ .cmd = DTV_SYMBOL_RATE },
};
struct dtv_properties cmdseq = {
.num = sizeof(p)/sizeof(p[0]),
.props = p
};
do {
usleep(1000000);
if (signal_once) continue;;
if (ioctl(fe_fd, FE_READ_STATUS, &status) == -1)
perror("FE_READ_STATUS failed");
/* some frontends might not support all these ioctls, thus we
* avoid printing errors
*/
if (ioctl(fe_fd, FE_READ_SIGNAL_STRENGTH, &signal) == -1)
signal = -2;
if (ioctl(fe_fd, FE_READ_SNR, &snr) == -1)
snr = -2;
if (ioctl(fe_fd, FE_READ_BER, &ber) == -1)
ber = -2;
if (ioctl(fe_fd, FE_READ_UNCORRECTED_BLOCKS, &uncorrected_blocks) == -1)
uncorrected_blocks = -2;
if (ioctl(fe_fd, FE_READ_TEMP, &temp) == -1)
temp = -2;
if (human_readable) {
printf ("status %02x | signal %3u%% | snr %3u%% | ber %d | unc %d | temp %d | ",
status, (signal * 100) / 0xffff, (snr * 100) / 0xffff, ber, uncorrected_blocks, temp);
} else {
printf ("status %02x | signal %04x | snr %04x | ber %08x | unc %08x | temp %d | ",
status, signal, snr, ber, uncorrected_blocks, temp);
}
if (status & FE_HAS_LOCK)
printf("FE_HAS_LOCK");
printf("\n");
if (exit_after_tuning && ((status & FE_HAS_LOCK) || (++timeout >= 10)))
break;
if(quiet && (status & FE_HAS_LOCK))
signal_once=1;
} while (1);
if ((status & FE_HAS_LOCK) == 0)
return 0;
if ((ioctl(fe_fd, FE_GET_PROPERTY, &cmdseq)) == -1) {
perror("FE_GET_PROPERTY failed");
return 0;
}
/* printout found parameters here */
if (params_debug){
printf("delivery 0x%x, ", p[0].u.data);
printf("modulation 0x%x\n", p[1].u.data);
printf("coderate 0x%x, ", p[2].u.data);
printf("rolloff 0x%x\n", p[3].u.data);
printf("intermediate frequency %d,", p[4].u.data);
} else {
field = NULL;
map_to_user(p[0].u.data, system_values, &field);
printf("delivery %s, ", field);
field = NULL;
map_to_user(p[1].u.data, modulation_values, &field);
printf("modulation %s\n", field);
field = NULL;
map_to_user(p[2].u.data, coderate_values, &field);
printf("coderate %s, ", field);
field = NULL;
map_to_user(p[3].u.data, rolloff_values, &field);
printf("rolloff %s\n", field);
if (hiband)
printf("frequency %lu,",lnb_type.high_val + p[4].u.data);
else
printf("frequency %lu,",lnb_type.low_val + p[4].u.data);
}
printf("symbol_rate %d\n", p[5].u.data);
return 0;
}
static
int zap_to(unsigned int adapter, unsigned int frontend, unsigned int demux,
unsigned int sat_no, unsigned int freq, unsigned int pol,
unsigned int sr, unsigned int vpid, unsigned int apid,
unsigned int tpid, int sid,
int dvr, int rec_psi, int bypass, unsigned int delivery,
int modulation, int fec, int rolloff, int stream_id, unsigned int modcode,
int human_readable, int params_debug)
{
struct dtv_property p[] = {
{ .cmd = DTV_CLEAR },
};
struct dtv_properties cmdseq = {
.num = sizeof(p)/sizeof(p[0]),
.props = p
};
char fedev[128], dmxdev[128], auddev[128];
static int fefd, dmxfda, dmxfdv, dmxfdt = -1, audiofd = -1, patfd, pmtfd;
int pmtpid;
uint32_t ifreq;
int hiband, result;
if (!fefd) {
snprintf(fedev, sizeof(fedev), FRONTENDDEVICE, adapter, frontend);
snprintf(dmxdev, sizeof(dmxdev), DEMUXDEVICE, adapter, demux);
snprintf(auddev, sizeof(auddev), AUDIODEVICE, adapter, demux);
printf("using '%s' and '%s'\n", fedev, dmxdev);
if ((fefd = open(fedev, O_RDWR | O_NONBLOCK)) < 0) {
perror("opening frontend failed");
return FALSE;
}
if ((dmxfdv = open(dmxdev, O_RDWR)) < 0) {
perror("opening video demux failed");
close(fefd);
return FALSE;
}
if ((dmxfda = open(dmxdev, O_RDWR)) < 0) {
perror("opening audio demux failed");
close(fefd);
return FALSE;
}
if ((dmxfdt = open(dmxdev, O_RDWR)) < 0) {
perror("opening teletext demux failed");
close(fefd);
return FALSE;
}
if (dvr == 0) /* DMX_OUT_DECODER */
audiofd = open(auddev, O_RDWR);
if (rec_psi){
if ((patfd = open(dmxdev, O_RDWR)) < 0) {
perror("opening pat demux failed");
close(audiofd);
close(dmxfda);
close(dmxfdv);
close(dmxfdt);
close(fefd);
return FALSE;
}
if ((pmtfd = open(dmxdev, O_RDWR)) < 0) {
perror("opening pmt demux failed");
close(patfd);
close(audiofd);
close(dmxfda);
close(dmxfdv);
close(dmxfdt);
close(fefd);
return FALSE;
}
}
}
hiband = 0;
if (lnb_type.switch_val && lnb_type.high_val &&
freq >= lnb_type.switch_val)
hiband = 1;
if (hiband)
ifreq = freq - lnb_type.high_val;
else {
if (freq < lnb_type.low_val)
ifreq = lnb_type.low_val - freq;
else
ifreq = freq - lnb_type.low_val;
}
result = FALSE;
if ((ioctl(fefd, FE_SET_PROPERTY, &cmdseq)) == -1) {
perror("FE_SET_PROPERTY DTV_CLEAR failed");
return FALSE;
}
if (diseqc(fefd, sat_no, pol, hiband))
if (do_tune(fefd, ifreq, sr, delivery, modulation, fec, rolloff, stream_id, modcode))
if (set_demux(dmxfdv, vpid, DMX_PES_VIDEO, dvr))
if (audiofd >= 0)
(void)ioctl(audiofd, AUDIO_SET_BYPASS_MODE, bypass);
if (set_demux(dmxfda, apid, DMX_PES_AUDIO, dvr)) {
if (rec_psi) {
pmtpid = get_pmt_pid(dmxdev, sid);
if (pmtpid < 0) {
result = FALSE;
}
if (pmtpid == 0) {
fprintf(stderr,"couldn't find pmt-pid for sid %04x\n",sid);
result = FALSE;
}
if (set_demux(patfd, 0, DMX_PES_OTHER, dvr))
if (set_demux(pmtfd, pmtpid, DMX_PES_OTHER, dvr))
result = TRUE;
} else {
result = TRUE;
}
}
if (tpid != -1 && !set_demux(dmxfdt, tpid, DMX_PES_TELETEXT, dvr)) {
fprintf(stderr, "set_demux DMX_PES_TELETEXT failed\n");
}
check_frontend (fefd, dvr, human_readable, params_debug, hiband);
if (!interactive) {
close(patfd);
close(pmtfd);
if (audiofd >= 0)
close(audiofd);
close(dmxfda);
close(dmxfdv);
close(dmxfdt);
close(fefd);
}
return result;
}
static char *parse_parameter(const char *s, int *value, const struct t_channel_parameter_map *map)
{
if (*++s) {
char *p = NULL;
errno = 0;
int n = strtol(s, &p, 10);
if (!errno && p != s) {
value[0] = map_to_driver(n, map);
if (value[0] >= 0)
return p;
}
}
fprintf(stderr, "ERROR: invalid value for parameter '%C'\n", *(s - 1));
return NULL;
}
static int read_channels(const char *filename, int list_channels,
uint32_t chan_no, const char *chan_name,
unsigned int adapter, unsigned int frontend,
unsigned int demux, int dvr, int rec_psi,
int bypass, unsigned int delsys,
int modulation, int fec, int rolloff, int stream_id, unsigned int modcode,
int human_readable, int params_debug,
int use_vdr_format, int use_tpid)
{
FILE *cfp;
char buf[4096];
char inp[256];
char *field, *tmp, *p;
unsigned int line;
unsigned int freq, pol, sat_no, sr, vpid, apid, tpid, sid;
int ret;
int trash;
again:
line = 0;
if (!(cfp = fopen(filename, "r"))) {
fprintf(stderr, "error opening channel list '%s': %d %m\n",
filename, errno);
return FALSE;
}
if (interactive) {
fprintf(stderr, "\n>>> ");
if (!fgets(inp, sizeof(inp), stdin)) {
printf("\n");
return -1;
}
if (inp[0] == '-' && inp[1] == 'n') {
chan_no = strtoul(inp+2, NULL, 0);
chan_name = NULL;
if (!chan_no) {
fprintf(stderr, "bad channel number\n");
goto again;
}
} else {
p = strchr(inp, '\n');
if (p)
*p = '\0';
chan_name = inp;
chan_no = 0;
}
}
while (!feof(cfp)) {
if (fgets(buf, sizeof(buf), cfp)) {
line++;
if (chan_no && chan_no != line)
continue;
tmp = buf;
field = strsep(&tmp, ":");
if (!field)
goto syntax_err;
if (list_channels) {
printf("%03u %s\n", line, field);
continue;
}
if (chan_name && strcasecmp(chan_name, field) != 0)
continue;
printf("zapping to %d '%s':\n", line, field);
if (!(field = strsep(&tmp, ":")))
goto syntax_err;
freq = strtoul(field, NULL, 0);
if (!(field = strsep(&tmp, ":")))
goto syntax_err;
while (field && *field) {
switch (toupper(*field)) {
case 'C':
if (fec == -1)
field = parse_parameter(field, &fec, coderate_values);
else
field = parse_parameter(field, &trash, coderate_values);
break;
case 'H':
pol = 0;
*field++;
break;
case 'I':/* ignore */
field = parse_parameter(field, &ret, inversion_values);
break;
case 'L':
pol = 0;
*field++;
break;
case 'M':
if (modulation == -1)
field = parse_parameter(field, &modulation, modulation_values);
else
field = parse_parameter(field, &trash, modulation_values);
break;
case 'Z':
case 'O':
if (rolloff == -1)
field = parse_parameter(field, &rolloff, rolloff_values);
else
field = parse_parameter(field, &trash, rolloff_values);
break;
case 'P':
stream_id = strtol(++field, &field, 10);
break;
case 'W':
modcode = strtoul(++field, &field, 16);
break;
case 'R':
pol = 1;
*field++;
break;
case 'S':
if (delsys == -1)
field = parse_parameter(field, &delsys, system_values);
else
field = parse_parameter(field, &trash, system_values);
break;
case 'V':
pol = 1;
*field++;
break;
default:
goto syntax_err;
}
}
/* default values for empty parameters */
if (fec == -1)
fec = FEC_AUTO;
if (modulation == -1)
modulation = QPSK;
if (delsys == -1)
delsys = SYS_DVBS;
if (rolloff == -1)
rolloff = ROLLOFF_35;
#if 1
if (stream_id<0 || stream_id>255)
stream_id = NO_STREAM_ID_FILTER;
if (modcode > 0x1fffffff)
modcode = MODCODE_ALL;
#endif
if (!(field = strsep(&tmp, ":")))
goto syntax_err;
sat_no = strtoul(field, NULL, 0);
if (!(field = strsep(&tmp, ":")))
goto syntax_err;
sr = strtoul(field, NULL, 0) * 1000;
if (!(field = strsep(&tmp, ":")))
goto syntax_err;
vpid = strtoul(field, NULL, 0);
if (!vpid)
vpid = 0x1fff;
if (!(field = strsep(&tmp, ":")))
goto syntax_err;
p = strchr(field, ';');
if (p) {
*p = '\0';
p++;
if (bypass) {
if (!p || !*p)
goto syntax_err;
field = p;
}
}
apid = strtoul(field, NULL, 0);
if (!apid)
apid = 0x1fff;
tpid = -1;
if (use_vdr_format) {
if (!(field = strsep(&tmp, ":")))
goto syntax_err;
if (use_tpid)
tpid = strtoul(field, NULL, 0);
if (!(field = strsep(&tmp, ":")))
goto syntax_err;
strtoul(field, NULL, 0);
}
if (!(field = strsep(&tmp, ":")))
goto syntax_err;
sid = strtoul(field, NULL, 0);
fclose(cfp);
if (params_debug){
printf("delivery 0x%x, ", delsys);
} else {
field = NULL;
map_to_user(delsys, system_values, &field);
printf("delivery %s, ", field);
}
if (params_debug){
printf("modulation 0x%x\n", modulation);
} else {
field = NULL;
map_to_user(modulation, modulation_values, &field);
printf("modulation %s\n", field);
}
printf("sat %u, frequency %u MHz %c, symbolrate %u, ",
sat_no, freq, pol ? 'V' : 'H', sr);
if (params_debug){
printf("coderate 0x%x, ", fec);
} else {
field = NULL;
map_to_user(fec, coderate_values, &field);
printf("coderate %s, ", field);
}
if (params_debug){
printf("rolloff 0x%x stream_id %d modcode 0x%x\n"
"vpid 0x%04x, apid 0x%04x, sid 0x%04x\n", rolloff, stream_id, modcode, vpid, apid, sid);
} else {
field = NULL;
map_to_user(rolloff, rolloff_values, &field);
printf("rolloff %s stream_id %d modcode 0x%x\n"
"vpid 0x%04x, apid 0x%04x, sid 0x%04x\n", field, stream_id, modcode, vpid, apid, sid);
}
ret = zap_to(adapter, frontend, demux, sat_no, freq * 1000,
pol, sr, vpid, apid, tpid, sid, dvr, rec_psi, bypass,
delsys, modulation, fec, rolloff, stream_id, modcode, human_readable,
params_debug);
if (interactive)
goto again;
if (ret)
return TRUE;
return FALSE;
syntax_err:
fprintf(stderr, "syntax error in line %u: '%s'\n", line, buf);
} else if (ferror(cfp)) {
fprintf(stderr, "error reading channel list '%s': %d %m\n",
filename, errno);
fclose(cfp);
return FALSE;
} else
break;
}
fclose(cfp);
if (!list_channels) {
fprintf(stderr, "channel not found\n");
if (!interactive)
return FALSE;
}
if (interactive)
goto again;
return TRUE;
}
static void handle_sigint(int sig)
{
fprintf(stderr, "Interrupted by SIGINT!\n");
exit(2);
}
void
bad_usage(char *pname, int prlnb)
{
int i;
struct lnb_types_st *lnbp;
char **cp;
if (!prlnb) {
fprintf (stderr, usage_str, pname);
} else {
i = 0;
fprintf(stderr, "-l <lnb-type> or -l low[,high[,switch]] in Mhz\nwhere <lnb-type> is:\n");
while(NULL != (lnbp = lnb_enum(i))) {
fprintf (stderr, "%s\n", lnbp->name);
for (cp = lnbp->desc; *cp ; cp++) {
fprintf (stderr, " %s\n", *cp);
}
i++;
}
}
}
int main(int argc, char *argv[])
{
const char *home;
char chanfile[2 * PATH_MAX];
int list_channels = 0;
unsigned int chan_no = 0;
const char *chan_name = NULL;
unsigned int adapter = 0, frontend = 0, demux = 0, dvr = 0, rec_psi = 0;
int bypass = 0;
int opt, copt = 0;
int human_readable = 0;
int params_debug = 0;
int use_vdr_format = 0;
int use_tpid = 0;
int delsys = -1;
int modulation = -1;
int fec = -1;
int rolloff = -1;
int stream_id = NO_STREAM_ID_FILTER;
unsigned int modcode = MODCODE_ALL;
lnb_type = *lnb_enum(0);
while ((opt = getopt(argc, argv, "M:m:s:C:O:HDVhqrpn:a:f:d:S:c:l:xibQ")) != -1) {
switch (opt) {
case '?':
case 'h':
default:
bad_usage(argv[0], 0);
break;
case 'C':
parse_parameter(--optarg, &fec, coderate_values);
break;
case 'M':
parse_parameter(--optarg, &modulation, modulation_values);
break;
case 'Z':
case 'O':
parse_parameter(--optarg, &rolloff, rolloff_values);
break;
case 's':
stream_id = strtol(optarg, NULL, 0);
break;
case 'm':
modcode = strtoul(optarg, NULL, 16);
break;
case 'S':
parse_parameter(--optarg, &delsys, system_values);
break;
case 'b':
bypass = 1;
break;
case 'q':
list_channels = 1;
break;
case 'r':
dvr = 1;
break;
case 'n':
chan_no = strtoul(optarg, NULL, 0);
break;
case 'a':
adapter = strtoul(optarg, NULL, 0);
break;
case 'f':
frontend = strtoul(optarg, NULL, 0);
break;
case 'p':
rec_psi = 1;
break;
case 'd':
demux = strtoul(optarg, NULL, 0);
break;
case 'c':
copt = 1;
strncpy(chanfile, optarg, sizeof(chanfile));
break;
case 'l':
if (lnb_decode(optarg, &lnb_type) < 0) {
bad_usage(argv[0], 1);
return -1;
}
break;
case 'x':
exit_after_tuning = 1;
break;
case 'H':
human_readable = 1;
break;
case 'D':
params_debug = 1;
break;
case 'V':
use_vdr_format = 1;
break;
case 't':
use_tpid = 1;
break;
case 'i':
interactive = 1;
exit_after_tuning = 1;
break;
case 'Q':
quiet = 1;
}
}
lnb_type.low_val *= 1000; /* convert to kiloherz */
lnb_type.high_val *= 1000; /* convert to kiloherz */
lnb_type.switch_val *= 1000; /* convert to kiloherz */
if (optind < argc)
chan_name = argv[optind];
if (chan_name && chan_no) {
bad_usage(argv[0], 0);
return -1;
}
if (list_channels && (chan_name || chan_no)) {
bad_usage(argv[0], 0);
return -1;
}
if (!list_channels && !chan_name && !chan_no && !interactive) {
bad_usage(argv[0], 0);
return -1;
}
if (!copt) {
if (!(home = getenv("HOME"))) {
fprintf(stderr, "error: $HOME not set\n");
return TRUE;
}
snprintf(chanfile, sizeof(chanfile),
"%s/.szap/%i/%s", home, adapter, CHANNEL_FILE);
if (access(chanfile, R_OK))
snprintf(chanfile, sizeof(chanfile),
"%s/.szap/%s", home, CHANNEL_FILE);
}
printf("reading channels from file '%s'\n", chanfile);
if (rec_psi)
dvr=1;
signal(SIGINT, handle_sigint);
if (!read_channels(chanfile, list_channels, chan_no, chan_name,
adapter, frontend, demux, dvr, rec_psi, bypass, delsys,
modulation, fec, rolloff, stream_id, modcode, human_readable, params_debug,
use_vdr_format, use_tpid))
return TRUE;
return FALSE;
}
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