static int convert_file(struct arguments *args)
{
struct dvb_file *dvb_file = NULL;
int ret;
printf(_("Reading file %s\n"), args->input_file);
dvb_file = dvb_read_file_format(args->input_file, args->delsys,
args->input_format);
if (!dvb_file) {
fprintf(stderr, _("Error reading file %s\n"), args->input_file);
return -1;
}
printf(_("Writing file %s\n"), args->output_file);
ret = dvb_write_file_format(args->output_file, dvb_file,
args->delsys, args->output_format);
dvb_file_free(dvb_file);
return ret;
}
static int parse(struct arguments *args,
struct dvb_v5_fe_parms *parms,
char *channel,
int *vpid, int *apid, int *sid)
{
struct dvb_file *dvb_file;
struct dvb_entry *entry;
int i;
uint32_t sys;
/* This is used only when reading old formats */
switch (parms->current_sys) {
case SYS_DVBT:
case SYS_DVBS:
case SYS_DVBC_ANNEX_A:
case SYS_ATSC:
sys = parms->current_sys;
break;
case SYS_DVBC_ANNEX_C:
sys = SYS_DVBC_ANNEX_A;
break;
case SYS_DVBC_ANNEX_B:
sys = SYS_ATSC;
break;
case SYS_ISDBT:
sys = SYS_DVBT;
break;
default:
sys = SYS_UNDEFINED;
break;
}
dvb_file = read_file_format(args->confname, sys,
args->input_format);
if (!dvb_file)
return -2;
for (entry = dvb_file->first_entry; entry != NULL; entry = entry->next) {
if (!strcmp(entry->channel, channel))
break;
if (entry->vchannel && !strcmp(entry->vchannel, channel))
break;
}
/*
* Give a second shot, using a case insensitive seek
*/
if (!entry) {
for (entry = dvb_file->first_entry; entry != NULL;
entry = entry->next) {
if (!strcasecmp(entry->channel, channel))
break;
}
}
if (!entry) {
ERROR("Can't find channel");
return -3;
}
if (entry->video_pid) {
if (args->n_vpid < entry->video_pid_len)
*vpid = entry->video_pid[args->n_vpid];
else
*vpid = entry->video_pid[0];
}
if (entry->audio_pid) {
if (args->n_apid < entry->audio_pid_len)
*apid = entry->audio_pid[args->n_apid];
else
*apid = entry->audio_pid[0];
}
if (entry->other_el_pid) {
int i, type = -1;
for (i = 0; i < entry->other_el_pid_len; i++) {
if (type != entry->other_el_pid[i].type) {
type = entry->other_el_pid[i].type;
if (i)
printf("\n");
printf("service has pid type %02x: ", type);
}
printf(" %d", entry->other_el_pid[i].pid);
}
printf("\n");
}
*sid = entry->service_id;
/* First of all, set the delivery system */
for (i = 0; i < entry->n_props; i++)
if (entry->props[i].cmd == DTV_DELIVERY_SYSTEM)
dvb_set_compat_delivery_system(parms,
entry->props[i].u.data);
/* Copy data into parms */
for (i = 0; i < entry->n_props; i++) {
uint32_t data = entry->props[i].u.data;
/* Don't change the delivery system */
if (entry->props[i].cmd == DTV_DELIVERY_SYSTEM)
continue;
dvb_fe_store_parm(parms, entry->props[i].cmd, data);
if (parms->current_sys == SYS_ISDBT) {
dvb_fe_store_parm(parms, DTV_ISDBT_PARTIAL_RECEPTION, 0);
dvb_fe_store_parm(parms, DTV_ISDBT_SOUND_BROADCASTING, 0);
dvb_fe_store_parm(parms, DTV_ISDBT_LAYER_ENABLED, 0x07);
if (entry->props[i].cmd == DTV_CODE_RATE_HP) {
dvb_fe_store_parm(parms, DTV_ISDBT_LAYERA_FEC,
data);
dvb_fe_store_parm(parms, DTV_ISDBT_LAYERB_FEC,
data);
dvb_fe_store_parm(parms, DTV_ISDBT_LAYERC_FEC,
data);
} else if (entry->props[i].cmd == DTV_MODULATION) {
dvb_fe_store_parm(parms,
DTV_ISDBT_LAYERA_MODULATION,
data);
dvb_fe_store_parm(parms,
DTV_ISDBT_LAYERB_MODULATION,
data);
dvb_fe_store_parm(parms,
DTV_ISDBT_LAYERC_MODULATION,
data);
}
}
if (parms->current_sys == SYS_ATSC &&
entry->props[i].cmd == DTV_MODULATION) {
if (data != VSB_8 && data != VSB_16)
dvb_fe_store_parm(parms,
DTV_DELIVERY_SYSTEM,
SYS_DVBC_ANNEX_B);
}
}
#if 0
/* HACK to test the write file function */
write_dvb_file("dvb_channels.conf", dvb_file);
#endif
dvb_file_free(dvb_file);
return 0;
}
static int run_scan(struct arguments *args,
struct dvb_v5_fe_parms *parms)
{
struct dvb_file *dvb_file = NULL, *dvb_file_new = NULL;
struct dvb_entry *entry;
int i, rc, count = 0, dmx_fd, shift;
uint32_t freq, sys;
/* This is used only when reading old formats */
switch (parms->current_sys) {
case SYS_DVBT:
case SYS_DVBS:
case SYS_DVBC_ANNEX_A:
case SYS_ATSC:
sys = parms->current_sys;
break;
case SYS_DVBC_ANNEX_C:
sys = SYS_DVBC_ANNEX_A;
break;
case SYS_DVBC_ANNEX_B:
sys = SYS_ATSC;
break;
case SYS_ISDBT:
sys = SYS_DVBT;
break;
default:
sys = SYS_UNDEFINED;
break;
}
dvb_file = dvb_read_file_format(args->confname, sys,
args->input_format);
if (!dvb_file)
return -2;
dmx_fd = open(args->demux_dev, O_RDWR);
if (dmx_fd < 0) {
perror("openening pat demux failed");
return -3;
}
for (entry = dvb_file->first_entry; entry != NULL; entry = entry->next) {
struct dvb_v5_descriptors *dvb_desc = NULL;
/* First of all, set the delivery system */
for (i = 0; i < entry->n_props; i++)
if (entry->props[i].cmd == DTV_DELIVERY_SYSTEM)
dvb_set_compat_delivery_system(parms,
entry->props[i].u.data);
/* Copy data into parms */
for (i = 0; i < entry->n_props; i++) {
uint32_t data = entry->props[i].u.data;
/* Don't change the delivery system */
if (entry->props[i].cmd == DTV_DELIVERY_SYSTEM)
continue;
dvb_fe_store_parm(parms, entry->props[i].cmd, data);
if (parms->current_sys == SYS_ISDBT) {
dvb_fe_store_parm(parms, DTV_ISDBT_PARTIAL_RECEPTION, 0);
dvb_fe_store_parm(parms, DTV_ISDBT_SOUND_BROADCASTING, 0);
dvb_fe_store_parm(parms, DTV_ISDBT_LAYER_ENABLED, 0x07);
if (entry->props[i].cmd == DTV_CODE_RATE_HP) {
dvb_fe_store_parm(parms, DTV_ISDBT_LAYERA_FEC,
data);
dvb_fe_store_parm(parms, DTV_ISDBT_LAYERB_FEC,
data);
dvb_fe_store_parm(parms, DTV_ISDBT_LAYERC_FEC,
data);
} else if (entry->props[i].cmd == DTV_MODULATION) {
dvb_fe_store_parm(parms,
DTV_ISDBT_LAYERA_MODULATION,
data);
dvb_fe_store_parm(parms,
DTV_ISDBT_LAYERB_MODULATION,
data);
dvb_fe_store_parm(parms,
DTV_ISDBT_LAYERC_MODULATION,
data);
}
}
if (parms->current_sys == SYS_ATSC &&
entry->props[i].cmd == DTV_MODULATION) {
if (data != VSB_8 && data != VSB_16)
dvb_fe_store_parm(parms,
DTV_DELIVERY_SYSTEM,
SYS_DVBC_ANNEX_B);
}
}
/*
* If the channel file has duplicated frequencies, or some
* entries without any frequency at all, discard.
*/
freq = 0;
for (i = 0; i < entry->n_props; i++) {
if (entry->props[i].cmd == DTV_FREQUENCY) {
freq = entry->props[i].u.data;
break;
}
}
if (!freq)
continue;
shift = estimate_freq_shift(parms);
if (dvb_desc && !new_freq_is_needed(dvb_file->first_entry, entry,
freq, dvb_desc->nit_table.pol, shift))
continue;
rc = dvb_fe_set_parms(parms);
if (rc < 0) {
PERROR("dvb_fe_set_parms failed");
return -1;
}
/* As the DVB core emulates it, better to always use auto */
dvb_fe_store_parm(parms, DTV_INVERSION, INVERSION_AUTO);
dvb_fe_retrieve_parm(parms, DTV_FREQUENCY, &freq);
count++;
dvb_log("Scanning frequency #%d %d", count, freq);
if (verbose)
dvb_fe_prt_parms(parms);
rc = check_frontend(args, parms);
if (rc < 0)
continue;
dvb_desc = dvb_get_ts_tables(parms, dmx_fd,
parms->current_sys,
args->other_nit,
args->timeout_multiply,
verbose);
if (!dvb_desc)
continue;
for (i = 0; i < dvb_desc->sdt_table.service_table_len; i++) {
struct service_table *service_table = &dvb_desc->sdt_table.service_table[i];
entry->vchannel = dvb_vchannel(dvb_desc, i);
printf("Service #%d (%d)", i,
service_table->service_id);
if (service_table->service_name)
printf(" %s", service_table->service_name);
if (entry->vchannel)
printf(" channel %s", entry->vchannel);
printf("\n");
}
store_dvb_channel(&dvb_file_new, parms, dvb_desc,
args->get_detected, args->get_nit);
if (!args->dont_add_new_freqs)
add_other_freq_entries(dvb_file, parms, dvb_desc);
dvb_free_ts_tables(dvb_desc);
}
if (dvb_file_new)
write_file_format(args->output, dvb_file_new,
parms->current_sys, args->output_format);
dvb_file_free(dvb_file);
if (dvb_file_new)
dvb_file_free(dvb_file_new);
close(dmx_fd);
return 0;
}
static int run_scan(struct arguments *args,
struct dvb_v5_fe_parms *parms)
{
struct dvb_file *dvb_file = NULL, *dvb_file_new = NULL;
struct dvb_entry *entry;
int count = 0, dmx_fd, shift;
uint32_t freq, sys;
enum dvb_sat_polarization pol;
/* This is used only when reading old formats */
switch (parms->current_sys) {
case SYS_DVBT:
case SYS_DVBS:
case SYS_DVBC_ANNEX_A:
case SYS_ATSC:
sys = parms->current_sys;
break;
case SYS_DVBC_ANNEX_C:
sys = SYS_DVBC_ANNEX_A;
break;
case SYS_DVBC_ANNEX_B:
sys = SYS_ATSC;
break;
case SYS_ISDBT:
case SYS_DTMB:
sys = SYS_DVBT;
break;
default:
sys = SYS_UNDEFINED;
break;
}
dvb_file = dvb_read_file_format(args->confname, sys,
args->input_format);
if (!dvb_file)
return -2;
dmx_fd = open(args->demux_dev, O_RDWR);
if (dmx_fd < 0) {
perror(_("openening pat demux failed"));
return -3;
}
for (entry = dvb_file->first_entry; entry != NULL; entry = entry->next) {
struct dvb_v5_descriptors *dvb_scan_handler = NULL;
uint32_t stream_id;
/*
* If the channel file has duplicated frequencies, or some
* entries without any frequency at all, discard.
*/
if (dvb_retrieve_entry_prop(entry, DTV_FREQUENCY, &freq))
continue;
shift = dvb_estimate_freq_shift(parms);
if (dvb_retrieve_entry_prop(entry, DTV_POLARIZATION, &pol))
pol = POLARIZATION_OFF;
if (dvb_retrieve_entry_prop(entry, DTV_STREAM_ID, &stream_id))
stream_id = NO_STREAM_ID_FILTER;
if (!dvb_new_entry_is_needed(dvb_file->first_entry, entry,
freq, shift, pol, stream_id))
continue;
count++;
dvb_log(_("Scanning frequency #%d %d"), count, freq);
/*
* update params->lnb only if it differs from entry->lnb
* (and "--lnbf" option was not provided),
* to avoid linear search of LNB types for every entries.
*/
if (!args->lnb_name && entry->lnb &&
(!parms->lnb || strcasecmp(entry->lnb, parms->lnb->alias)))
parms->lnb = dvb_sat_get_lnb(dvb_sat_search_lnb(entry->lnb));
/*
* Run the scanning logic
*/
dvb_scan_handler = dvb_scan_transponder(parms, entry, dmx_fd,
&check_frontend, args,
args->other_nit,
args->timeout_multiply);
if (parms->abort) {
dvb_scan_free_handler_table(dvb_scan_handler);
break;
}
if (!dvb_scan_handler)
continue;
/*
* Store the service entry
*/
dvb_store_channel(&dvb_file_new, parms, dvb_scan_handler,
args->get_detected, args->get_nit);
/*
* Add new transponders based on NIT table information
*/
if (!args->dont_add_new_freqs)
dvb_add_scaned_transponders(parms, dvb_scan_handler,
dvb_file->first_entry, entry);
/*
* Free the scan handler associated with the transponder
*/
dvb_scan_free_handler_table(dvb_scan_handler);
}
if (dvb_file_new)
dvb_write_file_format(args->output, dvb_file_new,
parms->current_sys, args->output_format);
dvb_file_free(dvb_file);
if (dvb_file_new)
dvb_file_free(dvb_file_new);
close(dmx_fd);
return 0;
}
static int run_scan(struct arguments *args,
struct dvb_v5_fe_parms *parms)
{
struct dvb_file *dvb_file = NULL, *dvb_file_new = NULL;
struct dvb_entry *entry;
int count = 0, dmx_fd, shift;
uint32_t freq, sys;
enum dvb_sat_polarization pol;
/* This is used only when reading old formats */
switch (parms->current_sys) {
case SYS_DVBT:
case SYS_DVBS:
case SYS_DVBC_ANNEX_A:
case SYS_ATSC:
sys = parms->current_sys;
break;
case SYS_DVBC_ANNEX_C:
sys = SYS_DVBC_ANNEX_A;
break;
case SYS_DVBC_ANNEX_B:
sys = SYS_ATSC;
break;
case SYS_ISDBT:
sys = SYS_DVBT;
break;
default:
sys = SYS_UNDEFINED;
break;
}
dvb_file = dvb_read_file_format(args->confname, sys,
args->input_format);
if (!dvb_file)
return -2;
dmx_fd = open(args->demux_dev, O_RDWR);
if (dmx_fd < 0) {
perror("openening pat demux failed");
return -3;
}
for (entry = dvb_file->first_entry; entry != NULL; entry = entry->next) {
struct dvb_v5_descriptors *dvb_scan_handler = NULL;
/*
* If the channel file has duplicated frequencies, or some
* entries without any frequency at all, discard.
*/
if (retrieve_entry_prop(entry, DTV_FREQUENCY, &freq))
continue;
shift = estimate_freq_shift(parms);
if (retrieve_entry_prop(entry, DTV_POLARIZATION, &pol))
pol = POLARIZATION_OFF;
if (!new_freq_is_needed(dvb_file->first_entry, entry,
freq, pol, shift))
continue;
count++;
dvb_log("Scanning frequency #%d %d", count, freq);
/*
* Run the scanning logic
*/
dvb_scan_handler = dvb_scan_transponder(parms, entry, dmx_fd,
&check_frontend, args,
args->other_nit,
args->timeout_multiply);
if (parms->abort) {
dvb_scan_free_handler_table(dvb_scan_handler);
break;
}
if (!dvb_scan_handler)
continue;
/*
* Store the service entry
*/
store_dvb_channel(&dvb_file_new, parms, dvb_scan_handler,
args->get_detected, args->get_nit);
/*
* Add new transponders based on NIT table information
*/
if (!args->dont_add_new_freqs)
dvb_add_scaned_transponders(parms, dvb_scan_handler,
dvb_file->first_entry, entry);
/*
* Free the scan handler associated with the transponder
*/
dvb_scan_free_handler_table(dvb_scan_handler);
}
if (dvb_file_new)
write_file_format(args->output, dvb_file_new,
parms->current_sys, args->output_format);
dvb_file_free(dvb_file);
if (dvb_file_new)
dvb_file_free(dvb_file_new);
close(dmx_fd);
return 0;
}
static int parse(struct arguments *args,
struct dvb_v5_fe_parms *parms,
char *channel,
int *vpid, int *apid, int *sid)
{
struct dvb_file *dvb_file;
struct dvb_entry *entry;
int i;
uint32_t sys;
/* This is used only when reading old formats */
switch (parms->current_sys) {
case SYS_DVBT:
case SYS_DVBS:
case SYS_DVBC_ANNEX_A:
case SYS_ATSC:
sys = parms->current_sys;
break;
case SYS_DVBC_ANNEX_C:
sys = SYS_DVBC_ANNEX_A;
break;
case SYS_DVBC_ANNEX_B:
sys = SYS_ATSC;
break;
case SYS_ISDBT:
case SYS_DTMB:
sys = SYS_DVBT;
break;
default:
sys = SYS_UNDEFINED;
break;
}
dvb_file = dvb_read_file_format(args->confname, sys,
args->input_format);
if (!dvb_file)
return -2;
for (entry = dvb_file->first_entry; entry != NULL; entry = entry->next) {
if (entry->channel && !strcmp(entry->channel, channel))
break;
if (entry->vchannel && !strcmp(entry->vchannel, channel))
break;
}
/*
* Give a second shot, using a case insensitive seek
*/
if (!entry) {
for (entry = dvb_file->first_entry; entry != NULL;
entry = entry->next) {
if (entry->channel && !strcasecmp(entry->channel, channel))
break;
}
}
/*
* When this tool is used to just tune to a channel, to monitor it or
* to capture all PIDs, all it needs is a frequency.
* So, let the tool to accept a frequency as the tuning channel on those
* cases.
* This way, a file in "channel" format can be used instead of a zap file.
* It is also easier to use it for testing purposes.
*/
if (!entry && (args->traffic_monitor || args->all_pids || args->exit_after_tuning)) {
uint32_t f, freq = atoi(channel);
if (freq) {
for (entry = dvb_file->first_entry; entry != NULL;
entry = entry->next) {
dvb_retrieve_entry_prop(entry, DTV_FREQUENCY, &f);
if (f == freq)
break;
}
}
}
if (!entry) {
ERROR(_("Can't find channel"));
dvb_file_free(dvb_file);
return -3;
}
/*
* Both the DVBv5 format and the command line parameters may
* specify the LNBf. If both have the definition, use the one
* provided by the command line parameter, overriding the one
* stored in the channel file.
*/
if (entry->lnb && !parms->lnb) {
int lnb = dvb_sat_search_lnb(entry->lnb);
if (lnb == -1) {
PERROR(_("unknown LNB %s\n"), entry->lnb);
dvb_file_free(dvb_file);
return -1;
}
parms->lnb = dvb_sat_get_lnb(lnb);
}
if (entry->video_pid) {
if (args->n_vpid < entry->video_pid_len)
*vpid = entry->video_pid[args->n_vpid];
else
*vpid = entry->video_pid[0];
}
if (entry->audio_pid) {
if (args->n_apid < entry->audio_pid_len)
*apid = entry->audio_pid[args->n_apid];
else
*apid = entry->audio_pid[0];
}
if (entry->other_el_pid) {
int i, type = -1;
for (i = 0; i < entry->other_el_pid_len; i++) {
if (type != entry->other_el_pid[i].type) {
type = entry->other_el_pid[i].type;
if (i)
fprintf(stderr, "\n");
fprintf(stderr, _("service has pid type %02x: "), type);
}
fprintf(stderr, " %d", entry->other_el_pid[i].pid);
}
fprintf(stderr, "\n");
}
*sid = entry->service_id;
/* First of all, set the delivery system */
dvb_retrieve_entry_prop(entry, DTV_DELIVERY_SYSTEM, &sys);
dvb_set_compat_delivery_system(parms, sys);
/* Copy data into parms */
for (i = 0; i < entry->n_props; i++) {
uint32_t data = entry->props[i].u.data;
/* Don't change the delivery system */
if (entry->props[i].cmd == DTV_DELIVERY_SYSTEM)
continue;
dvb_fe_store_parm(parms, entry->props[i].cmd, data);
if (parms->current_sys == SYS_ISDBT) {
dvb_fe_store_parm(parms, DTV_ISDBT_PARTIAL_RECEPTION, 0);
dvb_fe_store_parm(parms, DTV_ISDBT_SOUND_BROADCASTING, 0);
dvb_fe_store_parm(parms, DTV_ISDBT_LAYER_ENABLED, 0x07);
if (entry->props[i].cmd == DTV_CODE_RATE_HP) {
dvb_fe_store_parm(parms, DTV_ISDBT_LAYERA_FEC,
data);
dvb_fe_store_parm(parms, DTV_ISDBT_LAYERB_FEC,
data);
dvb_fe_store_parm(parms, DTV_ISDBT_LAYERC_FEC,
data);
} else if (entry->props[i].cmd == DTV_MODULATION) {
dvb_fe_store_parm(parms,
DTV_ISDBT_LAYERA_MODULATION,
data);
dvb_fe_store_parm(parms,
DTV_ISDBT_LAYERB_MODULATION,
data);
dvb_fe_store_parm(parms,
DTV_ISDBT_LAYERC_MODULATION,
data);
}
}
if (parms->current_sys == SYS_ATSC &&
entry->props[i].cmd == DTV_MODULATION) {
if (data != VSB_8 && data != VSB_16)
dvb_fe_store_parm(parms,
DTV_DELIVERY_SYSTEM,
SYS_DVBC_ANNEX_B);
}
}
dvb_file_free(dvb_file);
return 0;
}
/*
* Generic parse function for all formats each channel is contained into
* just one line.
*/
struct dvb_file *parse_format_oneline(const char *fname,
uint32_t delsys,
const struct parse_file *parse_file)
{
const char *delimiter = parse_file->delimiter;
const struct parse_struct *formats = parse_file->formats;
char *buf = NULL, *p;
size_t size = 0;
int len = 0;
int i, j, line = 0;
struct dvb_file *dvb_file;
FILE *fd;
const struct parse_struct *fmt;
struct dvb_entry *entry = NULL;
const struct parse_table *table;
char err_msg[80];
int has_inversion;
dvb_file = calloc(sizeof(*dvb_file), 1);
if (!dvb_file) {
perror("Allocating memory for dvb_file");
return NULL;
}
fd = fopen(fname, "r");
if (!fd) {
perror(fname);
return NULL;
}
do {
len = getline(&buf, &size, fd);
if (len <= 0)
break;
line++;
p = buf;
while (*p == ' ')
p++;
if (*p == '\n' || *p == '#' || *p == '\a' || *p == '\0')
continue;
if (parse_file->has_delsys_id) {
p = strtok(p, delimiter);
if (!p) {
sprintf(err_msg, "unknown delivery system type for %s",
p);
goto error;
}
/* Parse the type of the delivery system */
for (i = 0; formats[i].id != NULL; i++) {
if (!strcmp(p, formats[i].id))
break;
}
} else {
/* Seek for the delivery system */
for (i = 0; formats[i].delsys != 0; i++) {
if (formats[i].delsys == delsys)
break;
}
}
if (i == ARRAY_SIZE(formats))
goto error;
fmt = &formats[i];
if (!entry) {
dvb_file->first_entry = calloc(sizeof(*entry), 1);
entry = dvb_file->first_entry;
} else {
entry->next = calloc(sizeof(*entry), 1);
entry = entry->next;
}
entry->sat_number = -1;
entry->props[entry->n_props].cmd = DTV_DELIVERY_SYSTEM;
entry->props[entry->n_props++].u.data = fmt->delsys;
has_inversion = 0;
for (i = 0; i < fmt->size; i++) {
table = &fmt->table[i];
if (delsys && !i) {
p = strtok(p, delimiter);
} else
p = strtok(NULL, delimiter);
if (!p) {
sprintf(err_msg, "parameter %i (%s) missing",
i, parm_name(table));
goto error;
}
if (table->size) {
for (j = 0; j < table->size; j++)
if (!strcasecmp(table->table[j], p))
break;
if (j == table->size) {
sprintf(err_msg, "parameter %s invalid: %s",
parm_name(table), p);
goto error;
}
if (table->prop == DTV_BANDWIDTH_HZ)
j = fe_bandwidth_name[j];
if (table->prop == DTV_POLARIZATION) {
entry->pol = j;
} else {
entry->props[entry->n_props].cmd = table->prop;
entry->props[entry->n_props++].u.data = j;
}
} else {
long v = atol(p);
if (table->mult_factor)
v *= table->mult_factor;
switch (table->prop) {
case DTV_VIDEO_PID:
entry->video_pid = calloc(sizeof(*entry->video_pid), 1);
entry->video_pid_len = 1;
entry->video_pid[0] = v;
break;
case DTV_AUDIO_PID:
entry->audio_pid = calloc(sizeof(*entry->audio_pid), 1);
entry->audio_pid_len = 1;
entry->audio_pid[0] = v;
break;
case DTV_SERVICE_ID:
entry->service_id = v;
break;
case DTV_CH_NAME:
entry->channel = calloc(strlen(p) + 1, 1);
strcpy(entry->channel, p);
break;
default:
entry->props[entry->n_props].cmd = table->prop;
entry->props[entry->n_props++].u.data = v;
}
}
if (table->prop == DTV_INVERSION)
has_inversion = 1;
}
if (!has_inversion) {
entry->props[entry->n_props].cmd = DTV_INVERSION;
entry->props[entry->n_props++].u.data = INVERSION_AUTO;
}
} while (1);
fclose (fd);
return dvb_file;
error:
fprintf (stderr, "ERROR %s while parsing line %d of %s\n",
err_msg, line, fname);
dvb_file_free(dvb_file);
fclose(fd);
return NULL;
}
struct dvb_file *read_dvb_file(const char *fname)
{
char *buf = NULL, *p, *key, *value;
size_t size = 0;
int len = 0;
int line = 0, rc;
struct dvb_file *dvb_file;
FILE *fd;
struct dvb_entry *entry = NULL;
char err_msg[80];
dvb_file = calloc(sizeof(*dvb_file), 1);
if (!dvb_file) {
perror("Allocating memory for dvb_file");
return NULL;
}
fd = fopen(fname, "r");
if (!fd) {
perror(fname);
return NULL;
}
do {
len = getline(&buf, &size, fd);
if (len <= 0)
break;
line++;
p = buf;
while (*p == ' ' || *p == '\t')
p++;
if (*p == '\n' || *p == '#' || *p == '\a' || *p == '\0')
continue;
if (*p == '[') {
/* NEW Entry */
if (!entry) {
dvb_file->first_entry = calloc(sizeof(*entry), 1);
entry = dvb_file->first_entry;
} else {
entry->next = calloc(sizeof(*entry), 1);
entry = entry->next;
}
entry->sat_number = -1;
p++;
p = strtok(p, "]");
if (!p) {
sprintf(err_msg, "Missing channel group");
goto error;
}
if (!strcasecmp(p, CHANNEL))
p += strlen(CHANNEL);
while (*p == ' ' || *p == '\t')
p++;
if (*p) {
entry->channel = calloc(strlen(p) + 1, 1);
strcpy(entry->channel, p);
}
} else {
if (!entry) {
sprintf(err_msg, "key/value without a channel group");
goto error;
}
key = strtok(p, "=");
if (!key) {
sprintf(err_msg, "missing key");
goto error;
}
p = &key[strlen(key) - 1];
while ((p > key) && (*(p - 1) == ' ' || *(p - 1) == '\t'))
p--;
*p = 0;
value = strtok(NULL, "\n");
if (!value) {
sprintf(err_msg, "missing value");
goto error;
}
while (*value == ' ' || *value == '\t')
value++;
rc = fill_entry(entry, key, value);
if (rc == -2) {
sprintf(err_msg, "value %s is invalid for %s",
value, key);
goto error;
} else if (rc == -2) {
sprintf(err_msg, "key %s is unknown", key);
goto error;
}
}
} while (1);
fclose(fd);
return dvb_file;
error:
fprintf (stderr, "ERROR %s while parsing line %d of %s\n",
err_msg, line, fname);
dvb_file_free(dvb_file);
fclose(fd);
return NULL;
};
