void dvb_desc_event_short_print(struct dvb_v5_fe_parms *parms, const struct dvb_desc *desc)
{
const struct dvb_desc_event_short *event = (const struct dvb_desc_event_short *) desc;
dvb_log("| Name '%s'", event->name);
dvb_log("| Language '%s'", event->language);
dvb_log("| Description '%s'", event->text);
}
void dvb_fe_prt_parms(const struct dvb_v5_fe_parms *p)
{
struct dvb_v5_fe_parms_priv *parms = (void *)p;
int i;
for (i = 0; i < parms->n_props; i++) {
const char * const *attr_name = dvb_attr_names(parms->dvb_prop[i].cmd);
if (attr_name) {
int j;
for (j = 0; j < parms->dvb_prop[i].u.data; j++) {
if (!*attr_name)
break;
attr_name++;
}
}
if (!attr_name || !*attr_name)
dvb_log("%s = %u",
dvb_cmd_name(parms->dvb_prop[i].cmd),
parms->dvb_prop[i].u.data);
else
dvb_log("%s = %s",
dvb_cmd_name(parms->dvb_prop[i].cmd),
*attr_name);
}
};
int dvb_fe_get_event(struct dvb_v5_fe_parms *p)
{
struct dvb_v5_fe_parms_priv *parms = (void *)p;
struct dvb_frontend_event event;
fe_status_t status;
int i;
if (!parms->p.legacy_fe) {
dvb_fe_get_parms(&parms->p);
return dvb_fe_get_stats(&parms->p);
}
if (xioctl(parms->fd, FE_GET_EVENT, &event) == -1) {
dvb_perror("FE_GET_EVENT");
return errno;
}
status = event.status;
if (parms->p.verbose > 1) {
dvb_log(_("Status: "));
for (i = 0; i < ARRAY_SIZE(fe_status_name); i++) {
if (status & fe_status_name[i].idx)
dvb_log (" %s", fe_status_name[i].name);
}
}
dvb_fe_store_stats(parms, DTV_STATUS, FE_SCALE_RELATIVE, 0, status);
dvb_fe_retrieve_parm(&parms->p, DTV_FREQUENCY, &event.parameters.frequency);
dvb_fe_retrieve_parm(&parms->p, DTV_INVERSION, &event.parameters.inversion);
switch (parms->p.current_sys) {
case SYS_DVBS:
dvb_fe_retrieve_parm(&parms->p, DTV_SYMBOL_RATE, &event.parameters.u.qpsk.symbol_rate);
dvb_fe_retrieve_parm(&parms->p, DTV_INNER_FEC, &event.parameters.u.qpsk.fec_inner);
break;
case SYS_DVBC_ANNEX_AC:
dvb_fe_retrieve_parm(&parms->p, DTV_SYMBOL_RATE, &event.parameters.u.qam.symbol_rate);
dvb_fe_retrieve_parm(&parms->p, DTV_INNER_FEC, &event.parameters.u.qam.fec_inner);
dvb_fe_retrieve_parm(&parms->p, DTV_MODULATION, &event.parameters.u.qam.modulation);
break;
case SYS_ATSC:
case SYS_ATSCMH:
case SYS_DVBC_ANNEX_B:
dvb_fe_retrieve_parm(&parms->p, DTV_MODULATION, &event.parameters.u.vsb.modulation);
break;
case SYS_DVBT:
dvb_fe_retrieve_parm(&parms->p, DTV_BANDWIDTH_HZ, &event.parameters.u.ofdm.bandwidth);
dvb_fe_retrieve_parm(&parms->p, DTV_CODE_RATE_HP, &event.parameters.u.ofdm.code_rate_HP);
dvb_fe_retrieve_parm(&parms->p, DTV_CODE_RATE_LP, &event.parameters.u.ofdm.code_rate_LP);
dvb_fe_retrieve_parm(&parms->p, DTV_MODULATION, &event.parameters.u.ofdm.constellation);
dvb_fe_retrieve_parm(&parms->p, DTV_TRANSMISSION_MODE, &event.parameters.u.ofdm.transmission_mode);
dvb_fe_retrieve_parm(&parms->p, DTV_GUARD_INTERVAL, &event.parameters.u.ofdm.guard_interval);
dvb_fe_retrieve_parm(&parms->p, DTV_HIERARCHY, &event.parameters.u.ofdm.hierarchy_information);
break;
default:
return EINVAL;
}
return dvb_fe_get_stats(&parms->p);
}
void dvb_desc_hierarchy_print(struct dvb_v5_fe_parms *parms, const struct dvb_desc *desc)
{
const struct dvb_desc_hierarchy *hierarchy = (const struct dvb_desc_hierarchy *) desc;
dvb_log("| Hierarchy");
dvb_log("| type %d", hierarchy->hierarchy_type);
dvb_log("| layer %d", hierarchy->layer);
dvb_log("| embedded_layer %d", hierarchy->embedded_layer);
dvb_log("| channel %d", hierarchy->channel);
}
void dvb_desc_service_location_print(struct dvb_v5_fe_parms *parms, const struct dvb_desc *desc)
{
const struct dvb_desc_service_location *service_location = (const struct dvb_desc_service_location *) desc;
struct dvb_desc_service_location_element *element = service_location->element;
int i;
dvb_log("| pcr pid %d", service_location->pcr_pid);
dvb_log("| streams:");
for (i = 0; i < service_location->elements; i++)
dvb_log("| pid %d, type %d: %s", element[i].elementary_pid, element[i].stream_type, element[i].language);
dvb_log("| %d elements", service_location->elements);
}
int dvb_fe_diseqc_reply(struct dvb_v5_fe_parms *p, unsigned *len, char *buf,
int timeout)
{
struct dvb_v5_fe_parms_priv *parms = (void *)p;
struct dvb_diseqc_slave_reply reply;
int rc;
if (*len > 4)
*len = 4;
reply.timeout = timeout;
reply.msg_len = *len;
if (parms->p.verbose)
dvb_log("DiSEqC FE_DISEQC_RECV_SLAVE_REPLY");
rc = xioctl(parms->fd, FE_DISEQC_RECV_SLAVE_REPLY, reply);
if (rc == -1) {
dvb_perror("FE_DISEQC_RECV_SLAVE_REPLY");
return rc;
}
*len = reply.msg_len;
memcpy(buf, reply.msg, reply.msg_len);
return 0;
}
int dvb_fe_diseqc_cmd(struct dvb_v5_fe_parms *p, const unsigned len,
const unsigned char *buf)
{
struct dvb_v5_fe_parms_priv *parms = (void *)p;
struct dvb_diseqc_master_cmd msg;
int rc;
if (len > 6)
return -EINVAL;
msg.msg_len = len;
memcpy(msg.msg, buf, len);
if (parms->p.verbose) {
int i;
char log[len * 3 + 20], *p = log;
p += sprintf(p, _("DiSEqC command: "));
for (i = 0; i < len; i++)
p += sprintf (p, "%02x ", buf[i]);
dvb_log("%s", log);
}
rc = xioctl(parms->fd, FE_DISEQC_SEND_MASTER_CMD, &msg);
if (rc == -1)
dvb_perror("FE_DISEQC_SEND_MASTER_CMD");
return rc;
}
void dvb_desc_sat_print(struct dvb_v5_fe_parms *parms, const struct dvb_desc *desc)
{
const struct dvb_desc_sat *sat = (const struct dvb_desc_sat *) desc;
char pol;
switch(sat->polarization) {
case 0:
pol = 'H';
break;
case 1:
pol = 'V';
break;
case 2:
pol = 'L';
break;
case 3:
pol = 'R';
break;
}
dvb_log("| modulation_system %s", sat->modulation_system ? "DVB-S2" : "DVB-S");
dvb_log("| frequency %d %c", sat->frequency, pol);
dvb_log("| symbol_rate %d", sat->symbol_rate);
dvb_log("| fec %d", sat->fec);
dvb_log("| modulation_type %d", sat->modulation_type);
dvb_log("| roll_off %d", sat->roll_off);
dvb_log("| orbit %.1f %c", (float) sat->orbit / 10.0, sat->west_east ? 'E' : 'W');
}
int dvb_fe_set_default_country(struct dvb_v5_fe_parms *p, const char *cc)
{
struct dvb_v5_fe_parms_priv *parms = (void *)p;
if (!cc) {
parms->country = dvb_guess_user_country();
if (parms->p.verbose) {
if (parms->country != COUNTRY_UNKNOWN)
dvb_log(_("Assuming you're in %s.\n"),
dvb_country_to_2letters(parms->country));
else
dvb_log(_("Failed to guess country from the current locale setting.\n"));
}
return 0;
}
parms->country = dvb_country_a2_to_id(cc);
return (parms->country == COUNTRY_UNKNOWN) ? -EINVAL : 0;
}
int dvb_fe_sec_tone(struct dvb_v5_fe_parms *p, fe_sec_tone_mode_t tone)
{
struct dvb_v5_fe_parms_priv *parms = (void *)p;
int rc;
if (parms->p.verbose)
dvb_log( _("DiSEqC TONE: %s"), fe_tone_name[tone] );
rc = xioctl(parms->fd, FE_SET_TONE, tone);
if (rc == -1)
dvb_perror("FE_SET_TONE");
return rc;
}
int dvb_fe_sec_voltage(struct dvb_v5_fe_parms *p, int on, int v18)
{
struct dvb_v5_fe_parms_priv *parms = (void *)p;
fe_sec_voltage_t v;
int rc;
if (!on) {
v = SEC_VOLTAGE_OFF;
if (parms->p.verbose)
dvb_log(_("DiSEqC VOLTAGE: OFF"));
} else {
v = v18 ? SEC_VOLTAGE_18 : SEC_VOLTAGE_13;
if (parms->p.verbose)
dvb_log(_("DiSEqC VOLTAGE: %s"), v18 ? "18" : "13");
}
rc = xioctl(parms->fd, FE_SET_VOLTAGE, v);
if (rc == -1)
dvb_perror("FE_SET_VOLTAGE");
return rc;
}
void isdb_desc_partial_reception_print(struct dvb_v5_fe_parms *parms, const struct dvb_desc *desc)
{
struct isdb_desc_partial_reception *d = (void *)desc;
int i;
size_t len;
len = d->length / sizeof(d->partial_reception);
for (i = 0; i < len; i++) {
dvb_log("| service ID[%d] %d", i, d->partial_reception[i].service_id);
}
}
void dvb_desc_cable_delivery_print(struct dvb_v5_fe_parms *parms, const struct dvb_desc *desc)
{
const struct dvb_desc_cable_delivery *cable = (const struct dvb_desc_cable_delivery *) desc;
dvb_log("| cable delivery");
dvb_log("| length %d", cable->length);
dvb_log("| frequency %d", cable->frequency);
dvb_log("| fec outer %d", cable->fec_outer);
dvb_log("| modulation %d", cable->modulation);
dvb_log("| symbol_rate %d", cable->symbol_rate);
dvb_log("| fec inner %d", cable->fec_inner);
}
int dvb_fe_lnb_high_voltage(struct dvb_v5_fe_parms *p, int on)
{
struct dvb_v5_fe_parms_priv *parms = (void *)p;
int rc;
if (on) on = 1;
if (parms->p.verbose)
dvb_log( _("DiSEqC HIGH LNB VOLTAGE: %s"), on ? _("ON") : _("OFF") );
rc = xioctl(parms->fd, FE_ENABLE_HIGH_LNB_VOLTAGE, on);
if (rc == -1)
dvb_perror("FE_ENABLE_HIGH_LNB_VOLTAGE");
return rc;
}
void dvb_table_sdt_print(struct dvb_v5_fe_parms *parms, struct dvb_table_sdt *sdt)
{
dvb_log("SDT");
dvb_table_header_print(parms, &sdt->header);
dvb_log("|- network_id %d", sdt->network_id);
dvb_log("|\\ service_id");
const struct dvb_table_sdt_service *service = sdt->service;
uint16_t services = 0;
while(service) {
dvb_log("|- %7d", service->service_id);
dvb_log("| EIT schedule %d", service->EIT_schedule);
dvb_log("| EIT present following %d", service->EIT_present_following);
dvb_log("| free CA mode %d", service->free_CA_mode);
dvb_log("| running status %d", service->running_status);
dvb_print_descriptors(parms, service->descriptor);
service = service->next;
services++;
}
dvb_log("|_ %d services", services);
}
int dvb_fe_diseqc_burst(struct dvb_v5_fe_parms *p, int mini_b)
{
struct dvb_v5_fe_parms_priv *parms = (void *)p;
fe_sec_mini_cmd_t mini;
int rc;
mini = mini_b ? SEC_MINI_B : SEC_MINI_A;
if (parms->p.verbose)
dvb_log( _("DiSEqC BURST: %s"), mini_b ? "SEC_MINI_B" : "SEC_MINI_A" );
rc = xioctl(parms->fd, FE_DISEQC_SEND_BURST, mini);
if (rc == -1)
dvb_perror("FE_DISEQC_SEND_BURST");
return rc;
}
struct dvb_v5_fe_parms *dvb_fe_open_flags(int adapter, int frontend,
unsigned verbose,
unsigned use_legacy_call,
dvb_logfunc logfunc,
int flags)
{
int fd, i, r;
char *fname;
struct dtv_properties dtv_prop;
struct dvb_v5_fe_parms_priv *parms = NULL;
libdvbv5_initialize();
if (logfunc == NULL)
logfunc = dvb_default_log;
r = asprintf(&fname, "/dev/dvb/adapter%i/frontend%i", adapter, frontend);
if (r < 0) {
logfunc(LOG_ERR, _("asprintf error"));
return NULL;
}
if (!fname) {
logfunc(LOG_ERR, _("fname calloc: %s"), strerror(errno));
return NULL;
}
fd = open(fname, flags, 0);
if (fd == -1) {
logfunc(LOG_ERR, _("%s while opening %s"), strerror(errno), fname);
free(fname);
return NULL;
}
parms = calloc(sizeof(*parms), 1);
if (!parms) {
logfunc(LOG_ERR, _("parms calloc: %s"), strerror(errno));
close(fd);
free(fname);
return NULL;
}
parms->fname = fname;
parms->fd = fd;
parms->fe_flags = flags;
parms->p.verbose = verbose;
parms->p.default_charset = "iso-8859-1";
parms->p.output_charset = "utf-8";
parms->p.logfunc = logfunc;
parms->p.lna = LNA_AUTO;
parms->p.sat_number = -1;
parms->p.abort = 0;
parms->country = COUNTRY_UNKNOWN;
if (xioctl(fd, FE_GET_INFO, &parms->p.info) == -1) {
dvb_perror("FE_GET_INFO");
dvb_v5_free(parms);
close(fd);
free(fname);
return NULL;
}
if (verbose) {
fe_caps_t caps = parms->p.info.caps;
dvb_log(_("Device %s (%s) capabilities:"),
parms->p.info.name, fname);
for (i = 0; i < ARRAY_SIZE(fe_caps_name); i++) {
if (caps & fe_caps_name[i].idx)
dvb_log (" %s", fe_caps_name[i].name);
}
}
parms->dvb_prop[0].cmd = DTV_API_VERSION;
parms->dvb_prop[1].cmd = DTV_DELIVERY_SYSTEM;
dtv_prop.num = 2;
dtv_prop.props = parms->dvb_prop;
/* Detect a DVBv3 device */
if (xioctl(fd, FE_GET_PROPERTY, &dtv_prop) == -1) {
parms->dvb_prop[0].u.data = 0x300;
parms->dvb_prop[1].u.data = SYS_UNDEFINED;
}
parms->p.version = parms->dvb_prop[0].u.data;
parms->p.current_sys = parms->dvb_prop[1].u.data;
if (verbose)
dvb_log (_("DVB API Version %d.%d%s, Current v5 delivery system: %s"),
parms->p.version / 256,
parms->p.version % 256,
use_legacy_call ? _(" (forcing DVBv3 calls)") : "",
delivery_system_name[parms->p.current_sys]);
if (parms->p.version < 0x500)
use_legacy_call = 1;
if (parms->p.version >= 0x50a)
parms->p.has_v5_stats = 1;
else
parms->p.has_v5_stats = 0;
if (use_legacy_call || parms->p.version < 0x505) {
parms->p.legacy_fe = 1;
switch(parms->p.info.type) {
case FE_QPSK:
parms->p.current_sys = SYS_DVBS;
parms->p.systems[parms->p.num_systems++] = parms->p.current_sys;
if (parms->p.version < 0x0500)
break;
if (parms->p.info.caps & FE_CAN_2G_MODULATION)
parms->p.systems[parms->p.num_systems++] = SYS_DVBS2;
if (parms->p.info.caps & FE_CAN_TURBO_FEC)
parms->p.systems[parms->p.num_systems++] = SYS_TURBO;
break;
case FE_QAM:
parms->p.current_sys = SYS_DVBC_ANNEX_A;
parms->p.systems[parms->p.num_systems++] = parms->p.current_sys;
break;
case FE_OFDM:
parms->p.current_sys = SYS_DVBT;
parms->p.systems[parms->p.num_systems++] = parms->p.current_sys;
if (parms->p.version < 0x0500)
break;
if (parms->p.info.caps & FE_CAN_2G_MODULATION)
parms->p.systems[parms->p.num_systems++] = SYS_DVBT2;
break;
case FE_ATSC:
if (parms->p.info.caps & (FE_CAN_8VSB | FE_CAN_16VSB))
parms->p.systems[parms->p.num_systems++] = SYS_ATSC;
if (parms->p.info.caps & (FE_CAN_QAM_64 | FE_CAN_QAM_256 | FE_CAN_QAM_AUTO))
parms->p.systems[parms->p.num_systems++] = SYS_DVBC_ANNEX_B;
parms->p.current_sys = parms->p.systems[0];
break;
}
if (!parms->p.num_systems) {
dvb_logerr(_("delivery system not detected"));
dvb_v5_free(parms);
close(fd);
return NULL;
}
} else {
parms->dvb_prop[0].cmd = DTV_ENUM_DELSYS;
parms->n_props = 1;
dtv_prop.num = 1;
dtv_prop.props = parms->dvb_prop;
if (xioctl(fd, FE_GET_PROPERTY, &dtv_prop) == -1) {
dvb_perror("FE_GET_PROPERTY");
dvb_v5_free(parms);
close(fd);
return NULL;
}
parms->p.num_systems = parms->dvb_prop[0].u.buffer.len;
for (i = 0; i < parms->p.num_systems; i++)
parms->p.systems[i] = parms->dvb_prop[0].u.buffer.data[i];
if (parms->p.num_systems == 0) {
dvb_logerr(_("driver returned 0 supported delivery systems!"));
dvb_v5_free(parms);
close(fd);
return NULL;
}
}
if (verbose) {
dvb_log(_("Supported delivery system%s: "),
(parms->p.num_systems > 1) ? "s" : "");
for (i = 0; i < parms->p.num_systems; i++) {
if (parms->p.systems[i] == parms->p.current_sys)
dvb_log (" [%s]",
delivery_system_name[parms->p.systems[i]]);
else
dvb_log (" %s",
delivery_system_name[parms->p.systems[i]]);
}
if (use_legacy_call || parms->p.version < 0x505)
dvb_log(_("Warning: new delivery systems like ISDB-T, ISDB-S, DMB-TH, DSS, ATSC-MH will be miss-detected by a DVBv5.4 or earlier API call"));
}
/*
* Fix a bug at some DVB drivers
*/
if (parms->p.current_sys == SYS_UNDEFINED)
parms->p.current_sys = parms->p.systems[0];
/* Prepare to use the delivery system */
parms->n_props = dvb_add_parms_for_sys(&parms->p, parms->p.current_sys);
if ((flags & O_ACCMODE) == O_RDWR)
dvb_set_sys(&parms->p, parms->p.current_sys);
/*
* Prepare the status struct - DVBv5.10 parameters should
* come first, as they'll be read together.
*/
parms->stats.prop[0].cmd = DTV_STAT_SIGNAL_STRENGTH;
parms->stats.prop[1].cmd = DTV_STAT_CNR;
parms->stats.prop[2].cmd = DTV_STAT_PRE_ERROR_BIT_COUNT;
parms->stats.prop[3].cmd = DTV_STAT_PRE_TOTAL_BIT_COUNT;
parms->stats.prop[4].cmd = DTV_STAT_POST_ERROR_BIT_COUNT;
parms->stats.prop[5].cmd = DTV_STAT_POST_TOTAL_BIT_COUNT;
parms->stats.prop[6].cmd = DTV_STAT_ERROR_BLOCK_COUNT;
parms->stats.prop[7].cmd = DTV_STAT_TOTAL_BLOCK_COUNT;
/* Now, status and the calculated stats */
parms->stats.prop[8].cmd = DTV_STATUS;
parms->stats.prop[9].cmd = DTV_BER;
parms->stats.prop[10].cmd = DTV_PER;
parms->stats.prop[11].cmd = DTV_QUALITY;
parms->stats.prop[12].cmd = DTV_PRE_BER;
return &parms->p;
}
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;
}
void dvb_desc_default_print(struct dvb_v5_fe_parms *parms, const struct dvb_desc *desc)
{
dvb_log("| %s (%d)", dvb_descriptors[desc->type].name, desc->type);
hexdump(parms, "| ", desc->data, desc->length);
}
void atsc_table_header_print(struct dvb_v5_fe_parms *parms, const struct atsc_table_header *t)
{
dvb_log("| table_id %02x", t->table_id);
dvb_log("| section_length %d", t->section_length);
dvb_log("| syntax %d", t->syntax);
dvb_log("| priv %d", t->priv);
dvb_log("| one %d", t->one);
dvb_log("| id %d", t->id);
dvb_log("| one2 %d", t->one2);
dvb_log("| version %d", t->version);
dvb_log("| current_next %d", t->current_next);
dvb_log("| section_id %d", t->section_id);
dvb_log("| last_section %d", t->last_section);
dvb_log("| protocol_version %d", t->protocol_version);
}
void dvb_desc_event_extended_print(struct dvb_v5_fe_parms *parms, const struct dvb_desc *desc)
{
const struct dvb_desc_event_extended *event = (const struct dvb_desc_event_extended *) desc;
dvb_log("| Description '%s'", event->text);
}
int dvb_set_compat_delivery_system(struct dvb_v5_fe_parms *p,
uint32_t desired_system)
{
struct dvb_v5_fe_parms_priv *parms = (void *)p;
int i;
uint32_t delsys = SYS_UNDEFINED;
enum dvbv3_emulation_type type;
/* Check if the desired delivery system is supported */
for (i = 0; i < parms->p.num_systems; i++) {
if (parms->p.systems[i] == desired_system) {
dvb_set_sys(&parms->p, desired_system);
return 0;
}
}
/*
* Find the closest DVBv3 system that matches the delivery
* system.
*/
type = dvbv3_type(desired_system);
/*
* Get the last non-DVBv3 delivery system that has the same type
* of the desired system
*/
for (i = 0; i < parms->p.num_systems; i++) {
if ((dvbv3_type(parms->p.systems[i]) == type) &&
!is_dvbv3_delsys(parms->p.systems[i]))
delsys = parms->p.systems[i];
}
if (delsys == SYS_UNDEFINED)
return EINVAL;
dvb_log(_("Using a DVBv3 compat file for %s"), delivery_system_name[delsys]);
dvb_set_sys(&parms->p, delsys);
/* Put ISDB-T into auto mode */
if (delsys == SYS_ISDBT) {
dvb_fe_store_parm(&parms->p, DTV_BANDWIDTH_HZ, 6000000);
dvb_fe_store_parm(&parms->p, DTV_ISDBT_PARTIAL_RECEPTION, 0);
dvb_fe_store_parm(&parms->p, DTV_ISDBT_SOUND_BROADCASTING, 0);
dvb_fe_store_parm(&parms->p, DTV_ISDBT_SB_SUBCHANNEL_ID, 0);
dvb_fe_store_parm(&parms->p, DTV_ISDBT_SB_SEGMENT_IDX, 0);
dvb_fe_store_parm(&parms->p, DTV_ISDBT_SB_SEGMENT_COUNT, 0);
dvb_fe_store_parm(&parms->p, DTV_ISDBT_LAYER_ENABLED, 7);
dvb_fe_store_parm(&parms->p, DTV_ISDBT_LAYERA_FEC, FEC_AUTO);
dvb_fe_store_parm(&parms->p, DTV_ISDBT_LAYERB_FEC, FEC_AUTO);
dvb_fe_store_parm(&parms->p, DTV_ISDBT_LAYERC_FEC, FEC_AUTO);
dvb_fe_store_parm(&parms->p, DTV_ISDBT_LAYERA_MODULATION, QAM_AUTO);
dvb_fe_store_parm(&parms->p, DTV_ISDBT_LAYERB_MODULATION, QAM_AUTO);
dvb_fe_store_parm(&parms->p, DTV_ISDBT_LAYERC_MODULATION, QAM_AUTO);
dvb_fe_store_parm(&parms->p, DTV_ISDBT_LAYERA_SEGMENT_COUNT, 0);
dvb_fe_store_parm(&parms->p, DTV_ISDBT_LAYERA_TIME_INTERLEAVING, 0);
dvb_fe_store_parm(&parms->p, DTV_ISDBT_LAYERB_SEGMENT_COUNT, 0);
dvb_fe_store_parm(&parms->p, DTV_ISDBT_LAYERB_TIME_INTERLEAVING, 0);
dvb_fe_store_parm(&parms->p, DTV_ISDBT_LAYERC_SEGMENT_COUNT, 0);
dvb_fe_store_parm(&parms->p, DTV_ISDBT_LAYERC_TIME_INTERLEAVING, 0);
}
return 0;
}
void atsc_table_vct_print(struct dvb_v5_fe_parms *parms, struct atsc_table_vct *vct)
{
if (vct->header.table_id == ATSC_TABLE_CVCT)
dvb_log("CVCT");
else
dvb_log("TVCT");
atsc_table_header_print(parms, &vct->header);
dvb_log("|- Protocol version %d", vct->ATSC_protocol_version);
dvb_log("|- #channels %d", vct->num_channels_in_section);
dvb_log("|\\ channel_id");
const struct atsc_table_vct_channel *channel = vct->channel;
uint16_t channels = 0;
while(channel) {
dvb_log("|- Channel %d.%d: %s",
channel->major_channel_number,
channel->minor_channel_number,
channel->short_name);
dvb_log("| modulation mode %d", channel->modulation_mode);
dvb_log("| carrier frequency %d", channel->carrier_frequency);
dvb_log("| TS ID %d", channel->channel_tsid);
dvb_log("| program number %d", channel->program_number);
dvb_log("| ETM location %d", channel->ETM_location);
dvb_log("| access controlled %d", channel->access_controlled);
dvb_log("| hidden %d", channel->hidden);
if (vct->header.table_id == ATSC_TABLE_CVCT) {
dvb_log("| path select %d", channel->path_select);
dvb_log("| out of band %d", channel->out_of_band);
}
dvb_log("| hide guide %d", channel->hide_guide);
dvb_log("| service type %d", channel->service_type);
dvb_log("| source id %d", channel->source_id);
dvb_print_descriptors(parms, channel->descriptor);
channel = channel->next;
channels++;
}
dvb_log("|_ %d channels", channels);
}
void dvb_desc_terrestrial_delivery_print(struct dvb_v5_fe_parms *parms, const struct dvb_desc *desc)
{
const struct dvb_desc_terrestrial_delivery *tdel = (const struct dvb_desc_terrestrial_delivery *) desc;
dvb_log("| terrestrial delivery");
dvb_log("| length %d", tdel->length);
dvb_log("| centre frequency %d", tdel->centre_frequency * 10);
dvb_log("| mpe_fec_indicator %d", tdel->mpe_fec_indicator);
dvb_log("| time_slice_indicator %d", tdel->time_slice_indicator);
dvb_log("| priority %d", tdel->priority);
dvb_log("| bandwidth %d", tdel->bandwidth);
dvb_log("| code_rate_hp_stream %d", tdel->code_rate_hp_stream);
dvb_log("| hierarchy_information %d", tdel->hierarchy_information);
dvb_log("| constellation %d", tdel->constellation);
dvb_log("| other_frequency_flag %d", tdel->other_frequency_flag);
dvb_log("| transmission_mode %d", tdel->transmission_mode);
dvb_log("| guard_interval %d", tdel->guard_interval);
dvb_log("| code_rate_lp_stream %d", tdel->code_rate_lp_stream);
}
int dvb_fe_get_parms(struct dvb_v5_fe_parms *p)
{
struct dvb_v5_fe_parms_priv *parms = (void *)p;
int i, n = 0;
const unsigned int *sys_props;
struct dtv_properties prop;
struct dvb_frontend_parameters v3_parms;
uint32_t bw;
sys_props = dvb_v5_delivery_system[parms->p.current_sys];
if (!sys_props)
return EINVAL;
while (sys_props[n]) {
parms->dvb_prop[n].cmd = sys_props[n];
n++;
}
parms->dvb_prop[n].cmd = DTV_DELIVERY_SYSTEM;
parms->dvb_prop[n].u.data = parms->p.current_sys;
n++;
/* Keep it ready for set */
parms->dvb_prop[n].cmd = DTV_TUNE;
parms->n_props = n;
struct dtv_property fe_prop[DTV_MAX_COMMAND];
n = dvb_copy_fe_props(parms->dvb_prop, n, fe_prop);
prop.props = fe_prop;
prop.num = n;
if (!parms->p.legacy_fe) {
if (xioctl(parms->fd, FE_GET_PROPERTY, &prop) == -1) {
dvb_perror("FE_GET_PROPERTY");
return errno;
}
/* copy back params from temporary fe_prop */
for (i = 0; i < n; i++) {
if (dvb_fe_is_satellite(p->current_sys)
&& fe_prop[i].cmd == DTV_FREQUENCY)
fe_prop[i].u.data += parms->freq_offset;
dvb_fe_store_parm(&parms->p, fe_prop[i].cmd, fe_prop[i].u.data);
}
if (parms->p.verbose) {
dvb_log(_("Got parameters for %s:"),
delivery_system_name[parms->p.current_sys]);
dvb_fe_prt_parms(&parms->p);
}
return 0;
}
/* DVBv3 call */
if (xioctl(parms->fd, FE_GET_FRONTEND, &v3_parms) == -1) {
dvb_perror("FE_GET_FRONTEND");
return EINVAL;
}
dvb_fe_store_parm(&parms->p, DTV_FREQUENCY, v3_parms.frequency);
dvb_fe_store_parm(&parms->p, DTV_INVERSION, v3_parms.inversion);
switch (parms->p.current_sys) {
case SYS_DVBS:
dvb_fe_store_parm(&parms->p, DTV_SYMBOL_RATE, v3_parms.u.qpsk.symbol_rate);
dvb_fe_store_parm(&parms->p, DTV_INNER_FEC, v3_parms.u.qpsk.fec_inner);
break;
case SYS_DVBC_ANNEX_A:
dvb_fe_store_parm(&parms->p, DTV_SYMBOL_RATE, v3_parms.u.qam.symbol_rate);
dvb_fe_store_parm(&parms->p, DTV_INNER_FEC, v3_parms.u.qam.fec_inner);
dvb_fe_store_parm(&parms->p, DTV_MODULATION, v3_parms.u.qam.modulation);
break;
case SYS_ATSC:
case SYS_ATSCMH:
case SYS_DVBC_ANNEX_B:
dvb_fe_store_parm(&parms->p, DTV_MODULATION, v3_parms.u.vsb.modulation);
break;
case SYS_DVBT:
if (v3_parms.u.ofdm.bandwidth < ARRAY_SIZE(fe_bandwidth_name) -1)
bw = fe_bandwidth_name[v3_parms.u.ofdm.bandwidth];
else bw = 0;
dvb_fe_store_parm(&parms->p, DTV_BANDWIDTH_HZ, bw);
dvb_fe_store_parm(&parms->p, DTV_CODE_RATE_HP, v3_parms.u.ofdm.code_rate_HP);
dvb_fe_store_parm(&parms->p, DTV_CODE_RATE_LP, v3_parms.u.ofdm.code_rate_LP);
dvb_fe_store_parm(&parms->p, DTV_MODULATION, v3_parms.u.ofdm.constellation);
dvb_fe_store_parm(&parms->p, DTV_TRANSMISSION_MODE, v3_parms.u.ofdm.transmission_mode);
dvb_fe_store_parm(&parms->p, DTV_GUARD_INTERVAL, v3_parms.u.ofdm.guard_interval);
dvb_fe_store_parm(&parms->p, DTV_HIERARCHY, v3_parms.u.ofdm.hierarchy_information);
break;
default:
return EINVAL;
}
return 0;
}
int dvb_fe_get_stats(struct dvb_v5_fe_parms *p)
{
struct dvb_v5_fe_parms_priv *parms = (void *)p;
fe_status_t status = 0;
uint32_t ber= 0, ucb = 0;
uint16_t strength = 0, snr = 0;
int i;
enum fecap_scale_params scale;
if (xioctl(parms->fd, FE_READ_STATUS, &status) == -1) {
dvb_perror("FE_READ_STATUS");
return EINVAL;
}
dvb_fe_store_stats(parms, DTV_STATUS, FE_SCALE_RELATIVE, 0, status);
/* if lock has obtained, get DVB parameters */
if (status != parms->stats.prev_status) {
if ((status & FE_HAS_LOCK) &&
parms->stats.prev_status != status)
dvb_fe_get_parms(&parms->p);
parms->stats.prev_status = status;
}
if (parms->p.has_v5_stats) {
struct dtv_properties props;
props.num = DTV_NUM_KERNEL_STATS;
props.props = parms->stats.prop;
/* Do a DVBv5.10 stats call */
if (ioctl(parms->fd, FE_GET_PROPERTY, &props) == -1) {
if (errno == EAGAIN)
return 0;
goto dvbv3_fallback;
}
/*
* All props with len=0 mean that this device doesn't have any
* dvbv5 stats. Try the legacy stats instead.
*/
for (i = 0; i < props.num; i++)
if (parms->stats.prop[i].u.st.len)
break;
if (i == props.num)
goto dvbv3_fallback;
dvb_fe_update_counters(parms);
return 0;
}
dvbv3_fallback:
/* DVB v3 stats */
parms->p.has_v5_stats = 0;
if (ioctl(parms->fd, FE_READ_BER, &ber) == -1)
scale = FE_SCALE_NOT_AVAILABLE;
else
scale = FE_SCALE_RELATIVE;
/*
* BER scale on DVBv3 is not defined - different drivers use
* different scales, even weird ones, like multiples of 1/65280
*/
dvb_fe_store_stats(parms, DTV_BER, scale, 0, ber);
if (ioctl(parms->fd, FE_READ_SIGNAL_STRENGTH, &strength) == -1)
scale = FE_SCALE_NOT_AVAILABLE;
else
scale = FE_SCALE_RELATIVE;
dvb_fe_store_stats(parms, DTV_STAT_SIGNAL_STRENGTH, scale, 0, strength);
if (ioctl(parms->fd, FE_READ_SNR, &snr) == -1)
scale = FE_SCALE_NOT_AVAILABLE;
else
scale = FE_SCALE_RELATIVE;
dvb_fe_store_stats(parms, DTV_STAT_CNR, scale, 0, snr);
if (ioctl(parms->fd, FE_READ_UNCORRECTED_BLOCKS, &ucb) == -1)
scale = FE_SCALE_NOT_AVAILABLE;
else
scale = FE_SCALE_COUNTER;
dvb_fe_store_stats(parms, DTV_STAT_ERROR_BLOCK_COUNT, scale, 0, snr);
if (parms->p.verbose > 1) {
dvb_log(_("Status: "));
for (i = 0; i < ARRAY_SIZE(fe_status_name); i++) {
if (status & fe_status_name[i].idx)
dvb_log (" %s", fe_status_name[i].name);
}
dvb_log(_("BER: %d, Strength: %d, SNR: %d, UCB: %d"),
ber, strength, snr, ucb);
}
return 0;
}