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;
}
bool Frontend::Tune( Transponder &t )
{
if( !IsPresent( ))
{
LogWarn( "device not present '%s'", name.c_str( ));
return false;
}
Lock( );
if( transponder )
{
if( transponder == &t )
{
usecount++;
Unlock( );
return true;
}
Log( "Frontend busy" );
Unlock( );
return false;
}
if( !Open( ))
{
Unlock( );
return false;
}
state = State_Tuning;
transponder = &t;
usecount++;
Unlock( );
t.SetState( Transponder::State_Tuning );
Log( "Tuning %s", t.toString( ).c_str( ));
uint8_t signal, noise;
LogWarn( "dvb_set_compat_delivery_system %d", t.GetDelSys( ));
int r = dvb_set_compat_delivery_system( fe, t.GetDelSys( ));
if( r != 0 )
{
LogError( "dvb_set_compat_delivery_system return %d", r );
goto fail;
}
SetTuneParams( t );
t.GetParams( fe );
LogWarn( "dvb_estimate_freq_shift");
dvb_estimate_freq_shift( fe );
r = dvb_fe_set_parms( fe );
if( r != 0 )
{
LogError( "dvb_fe_set_parms failed with %d.", r );
dvb_fe_prt_parms( fe );
goto fail;
}
dvb_fe_prt_parms( fe );
/* As the DVB core emulates it, better to always use auto */
dvb_fe_store_parm(fe, DTV_INVERSION, INVERSION_AUTO);
uint32_t freq;
dvb_fe_retrieve_parm(fe, DTV_FREQUENCY, &freq);
dvb_fe_prt_parms(fe);
if( !GetLockStatus( signal, noise, tune_timeout ))
{
LogError( "Tuning failed" );
goto fail;
}
t.SetState( Transponder::State_Tuned );
t.SetSignal( signal, noise );
return true;
fail:
t.SetState( Transponder::State_TuningFailed );
t.SaveConfig( );
Release( );
return false;
}
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 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;
}
