void dvb_desc_service_location_init(struct dvb_v5_fe_parms *parms, const uint8_t *buf, struct dvb_desc *desc)
{
struct dvb_desc_service_location *service_location = (struct dvb_desc_service_location *) desc;
uint8_t *endbuf = buf + desc->length;
ssize_t size = sizeof(struct dvb_desc_service_location) - sizeof(struct dvb_desc);
struct dvb_desc_service_location_element *element;
int i;
if (buf + size > endbuf) {
dvb_logerr("%s: short read %d/%zd bytes", __FUNCTION__, endbuf - buf, size);
return;
}
memcpy(desc->data, buf, size);
bswap16(service_location->bitfield);
buf += size;
if (service_location->elements == 0)
return;
size = service_location->elements * sizeof(struct dvb_desc_service_location_element);
if (buf + size > endbuf) {
dvb_logerr("%s: short read %d/%zd bytes", __FUNCTION__, endbuf - buf, size);
return;
}
service_location->element = malloc(size);
element = service_location->element;
for (i = 0; i < service_location->elements; i++) {
memcpy(element, buf, sizeof(struct dvb_desc_service_location_element) - 1); /* no \0 in lang */
buf += sizeof(struct dvb_desc_service_location_element) - 1;
element->language[3] = '\0';
bswap16(element->bitfield);
element++;
}
}
void dvb_table_sdt_init(struct dvb_v5_fe_parms *parms, const uint8_t *buf,
ssize_t buflen, uint8_t *table, ssize_t *table_length)
{
const uint8_t *p = buf, *endbuf = buf + buflen - 4;
struct dvb_table_sdt *sdt = (void *)table;
struct dvb_table_sdt_service **head = &sdt->service;
size_t size = offsetof(struct dvb_table_sdt, service);
if (*table_length > 0) {
/* find end of curent list */
while (*head != NULL)
head = &(*head)->next;
} else {
if (p + size > endbuf) {
dvb_logerr("SDT table was truncated. Need %zu bytes, but has only %zu.",
size, buflen);
return;
}
memcpy(sdt, p, size);
*table_length = sizeof(struct dvb_table_sdt);
bswap16(sdt->network_id);
sdt->service = NULL;
}
p += size;
size = offsetof(struct dvb_table_sdt_service, descriptor);
while (p + size <= endbuf) {
struct dvb_table_sdt_service *service;
service = malloc(sizeof(struct dvb_table_sdt_service));
memcpy(service, p, size);
p += size;
bswap16(service->service_id);
bswap16(service->bitfield);
service->descriptor = NULL;
service->next = NULL;
*head = service;
head = &(*head)->next;
/* get the descriptors for each program */
dvb_parse_descriptors(parms, p, service->section_length,
&service->descriptor);
p += service->section_length;
}
if (endbuf - p)
dvb_logerr("PAT table has %zu spurious bytes at the end.",
endbuf - p);
}
ssize_t dvb_mpeg_ts_init(struct dvb_v5_fe_parms *parms, const uint8_t *buf, ssize_t buflen, uint8_t *table, ssize_t *table_length)
{
struct dvb_mpeg_ts *ts = (struct dvb_mpeg_ts *) table;
const uint8_t *p = buf;
if (buf[0] != DVB_MPEG_TS) {
dvb_logerr("mpeg ts invalid marker 0x%02x, sould be 0x%02x", buf[0], DVB_MPEG_TS);
*table_length = 0;
return -1;
}
memcpy(table, p, sizeof(struct dvb_mpeg_ts));
p += sizeof(struct dvb_mpeg_ts);
bswap16(ts->bitfield);
if (ts->adaptation_field) {
memcpy(ts->adaption, p, sizeof(struct dvb_mpeg_ts_adaption));
p += ts->adaption->length + 1;
/* FIXME: copy adaption->lenght bytes */
}
*table_length = p - buf;
return p - buf;
}
void dvb_parse_descriptors(struct dvb_v5_fe_parms *parms, const uint8_t *buf, uint16_t section_length, struct dvb_desc **head_desc)
{
const uint8_t *ptr = buf;
struct dvb_desc *current = NULL;
struct dvb_desc *last = NULL;
while (ptr < buf + section_length) {
int desc_type = ptr[0];
int desc_len = ptr[1];
size_t size;
dvb_desc_init_func init = dvb_descriptors[desc_type].init;
if (!init) {
init = dvb_desc_default_init;
size = sizeof(struct dvb_desc) + desc_len;
} else {
size = dvb_descriptors[desc_type].size;
}
if (!size) {
dvb_logerr("descriptor type %d has no size defined", current->type);
size = 4096;
}
current = (struct dvb_desc *) malloc(size);
ptr += dvb_desc_init(ptr, current); /* the standard header was read */
init(parms, ptr, current);
if(!*head_desc)
*head_desc = current;
if (last)
last->next = current;
last = current;
ptr += current->length; /* standard descriptor header plus descriptor length */
}
}
int dvb_fe_store_parm(struct dvb_v5_fe_parms *p,
unsigned cmd, uint32_t value)
{
struct dvb_v5_fe_parms_priv *parms = (void *)p;
int i;
for (i = 0; i < parms->n_props; i++) {
if (parms->dvb_prop[i].cmd != cmd)
continue;
parms->dvb_prop[i].u.data = value;
return 0;
}
dvb_logerr(_("command %s (%d) not found during store"),
dvb_cmd_name(cmd), cmd);
return EINVAL;
}
struct dtv_stats *dvb_fe_retrieve_stats_layer(struct dvb_v5_fe_parms *p,
unsigned cmd, unsigned layer)
{
struct dvb_v5_fe_parms_priv *parms = (void *)p;
int i;
if (cmd == DTV_BER && parms->p.has_v5_stats)
return dvb_fe_retrieve_v5_BER(parms, layer);
for (i = 0; i < DTV_NUM_STATS_PROPS; i++) {
if (parms->stats.prop[i].cmd != cmd)
continue;
if (layer >= parms->stats.prop[i].u.st.len)
return NULL;
return &parms->stats.prop[i].u.st.stat[layer];
}
dvb_logerr(_("%s not found on retrieve"), dvb_cmd_name(cmd));
return NULL;
}
static struct dtv_stats *dvb_fe_store_stats(struct dvb_v5_fe_parms_priv *parms,
unsigned cmd,
enum fecap_scale_params scale,
unsigned layer,
uint32_t value)
{
int i;
for (i = 0; i < DTV_NUM_STATS_PROPS; i++) {
if (parms->stats.prop[i].cmd != cmd)
continue;
parms->stats.prop[i].u.st.stat[layer].scale = scale;
parms->stats.prop[i].u.st.stat[layer].uvalue = value;
if (parms->stats.prop[i].u.st.len < layer + 1)
parms->stats.prop[i].u.st.len = layer + 1;
return &parms->stats.prop[i].u.st.stat[layer];
}
dvb_logerr(_("%s not found on store"), dvb_cmd_name(cmd));
return NULL;
}
int isdb_desc_partial_reception_init(struct dvb_v5_fe_parms *parms,
const uint8_t *buf, struct dvb_desc *desc)
{
struct isdb_desc_partial_reception *d = (void *)desc;
unsigned char *p = (unsigned char *)buf;
size_t len;
int i;
d->partial_reception = malloc(d->length);
if (!d->partial_reception) {
dvb_logerr("%s: out of memory", __func__);
return -1;
}
memcpy(d->partial_reception, p, d->length);
len = d->length / sizeof(*d->partial_reception);
for (i = 0; i < len; i++)
bswap16(d->partial_reception[i].service_id);
return 0;
}
int dvb_desc_logical_channel_init(struct dvb_v5_fe_parms *parms,
const uint8_t *buf, struct dvb_desc *desc)
{
struct dvb_desc_logical_channel *d = (void *)desc;
unsigned char *p = (unsigned char *)buf;
size_t len;
int i;
d->lcn = malloc(d->length);
if (!d->lcn) {
dvb_logerr("%s: out of memory", __func__);
return -1;
}
memcpy(d->lcn, p, d->length);
len = d->length / sizeof(d->lcn);
for (i = 0; i < len; i++) {
bswap16(d->lcn[i].service_id);
bswap16(d->lcn[i].bitfield);
}
return 0;
}
ssize_t atsc_table_eit_init(struct dvb_v5_fe_parms *parms, const uint8_t *buf,
ssize_t buflen, struct atsc_table_eit **table)
{
const uint8_t *p = buf, *endbuf = buf + buflen;
struct atsc_table_eit *eit;
struct atsc_table_eit_event **head;
size_t size;
int i = 0;
size = offsetof(struct atsc_table_eit, event);
if (p + size > endbuf) {
dvb_logerr("%s: short read %zd/%zd bytes", __func__,
endbuf - p, size);
return -1;
}
if (buf[0] != ATSC_TABLE_EIT) {
dvb_logerr("%s: invalid marker 0x%02x, sould be 0x%02x",
__func__, buf[0], ATSC_TABLE_EIT);
return -2;
}
if (!*table) {
*table = calloc(sizeof(struct atsc_table_eit), 1);
if (!*table) {
dvb_logerr("%s: out of memory", __func__);
return -3;
}
}
eit = *table;
memcpy(eit, p, size);
p += size;
dvb_table_header_init(&eit->header);
/* find end of curent list */
head = &eit->event;
while (*head != NULL)
head = &(*head)->next;
while (i++ < eit->events && p < endbuf) {
struct atsc_table_eit_event *event;
union atsc_table_eit_desc_length dl;
size = offsetof(struct atsc_table_eit_event, descriptor);
if (p + size > endbuf) {
dvb_logerr("%s: short read %zd/%zd bytes", __func__,
endbuf - p, size);
return -4;
}
event = (struct atsc_table_eit_event *) malloc(sizeof(struct atsc_table_eit_event));
if (!event) {
dvb_logerr("%s: out of memory", __func__);
return -5;
}
memcpy(event, p, size);
p += size;
bswap16(event->bitfield);
bswap32(event->start_time);
bswap32(event->bitfield2);
event->descriptor = NULL;
event->next = NULL;
atsc_time(event->start_time, &event->start);
event->source_id = eit->header.id;
*head = event;
head = &(*head)->next;
size = event->title_length - 1;
if (p + size > endbuf) {
dvb_logerr("%s: short read %zd/%zd bytes", __func__,
endbuf - p, size);
return -6;
}
/* TODO: parse title */
p += size;
/* get the descriptors for each program */
size = sizeof(union atsc_table_eit_desc_length);
if (p + size > endbuf) {
dvb_logerr("%s: short read %zd/%zd bytes", __func__,
endbuf - p, size);
return -7;
}
memcpy(&dl, p, size);
p += size;
bswap16(dl.bitfield);
size = dl.desc_length;
if (p + size > endbuf) {
dvb_logerr("%s: short read %zd/%zd bytes", __func__,
endbuf - p, size);
return -8;
}
if (dvb_desc_parse(parms, p, size,
&event->descriptor) != 0 ) {
return -9;
}
p += size;
}
return p - buf;
}
void atsc_table_vct_init(struct dvb_v5_fe_parms *parms, const uint8_t *buf,
ssize_t buflen, uint8_t *table, ssize_t *table_length)
{
const uint8_t *p = buf, *endbuf = buf + buflen - 4;
struct atsc_table_vct *vct = (void *)table;
struct atsc_table_vct_channel **head = &vct->channel;
int i, n;
size_t size = offsetof(struct atsc_table_vct, channel);
if (p + size > endbuf) {
dvb_logerr("VCT table was truncated. Need %zu bytes, but has only %zu.",
size, buflen);
return;
}
if (*table_length > 0) {
/* find end of curent list */
while (*head != NULL)
head = &(*head)->next;
} else {
memcpy(vct, p, size);
*table_length = sizeof(struct atsc_table_vct);
vct->channel = NULL;
vct->descriptor = NULL;
}
p += size;
size = offsetof(struct atsc_table_vct_channel, descriptor);
for (n = 0; n < vct->num_channels_in_section; n++) {
struct atsc_table_vct_channel *channel;
if (p + size > endbuf) {
dvb_logerr("VCT channel table is missing %d elements",
vct->num_channels_in_section - n + 1);
vct->num_channels_in_section = n;
break;
}
channel = malloc(sizeof(struct atsc_table_vct_channel));
memcpy(channel, p, size);
p += size;
/* Fix endiannes of the copied fields */
for (i = 0; i < ARRAY_SIZE(channel->__short_name); i++)
bswap16(channel->__short_name[i]);
bswap32(channel->carrier_frequency);
bswap16(channel->channel_tsid);
bswap16(channel->program_number);
bswap32(channel->bitfield1);
bswap16(channel->bitfield2);
bswap16(channel->source_id);
bswap16(channel->bitfield3);
/* Short name is always UTF-16 */
iconv_to_charset(parms, channel->short_name,
sizeof(channel->short_name),
(const unsigned char *)channel->__short_name,
sizeof(channel->__short_name),
"UTF-16",
output_charset);
/* Fill descriptors */
channel->descriptor = NULL;
channel->next = NULL;
*head = channel;
head = &(*head)->next;
/* get the descriptors for each program */
dvb_parse_descriptors(parms, p, channel->descriptors_length,
&channel->descriptor);
p += channel->descriptors_length;
}
/* Get extra descriptors */
size = sizeof(union atsc_table_vct_descriptor_length);
while (p + size <= endbuf) {
union atsc_table_vct_descriptor_length *d = (void *)p;
bswap16(d->descriptor_length);
p += size;
dvb_parse_descriptors(parms, p, d->descriptor_length,
&vct->descriptor);
}
if (endbuf - p)
dvb_logerr("VCT table has %zu spurious bytes at the end.",
endbuf - p);
}
static int dev_set_parms(uint32_t seq, char *cmd, int fd,
char *buf, ssize_t size)
{
struct dvb_v5_fe_parms_priv *parms = (void *)dvb->fe_parms;
struct dvb_v5_fe_parms *par = (void *)parms;
int ret, i;
char *p = buf;
const char *old_lnb = "";
char new_lnb[256];
if (verbose)
dbg("dev_set_parms called");
/* first the public params that aren't read only */
/* Get current LNB name */
if (par->lnb)
old_lnb = par->lnb->name;
ret = scan_data(p, size, "%i%i%s%i%i%i%i%s%s",
&par->abort, &par->lna, new_lnb,
&par->sat_number, &par->freq_bpf, &par->diseqc_wait,
&par->verbose, default_charset, output_charset);
if (ret < 0)
goto error;
p += ret;
size -= ret;
/* Now, the private ones */
ret = scan_data(p, size, "%i", &i);
if (ret < 0)
goto error;
parms->country = i;
p += ret;
size -= ret;
for (i = 0; i < parms->n_props; i++) {
ret = scan_data(p, size, "%i%i",
&parms->dvb_prop[i].cmd,
&parms->dvb_prop[i].u.data);
if (ret < 0)
goto error;
p += ret;
size -= ret;
}
if (!*new_lnb) {
par->lnb = NULL;
} else if (strcmp(old_lnb, new_lnb)) {
int lnb = dvb_sat_search_lnb(new_lnb);
if (lnb < 0) {
dvb_logerr("Invalid lnb: %s", new_lnb);
ret = -1;
goto error;
}
par->lnb = dvb_sat_get_lnb(lnb);
}
par->output_charset = output_charset;
par->default_charset = default_charset;
ret = __dvb_fe_set_parms(par);
error:
return send_data(fd, "%i%s%i", seq, cmd, ret);
}
int dvb_fe_snprintf_stat(struct dvb_v5_fe_parms *p, uint32_t cmd,
char *display_name, int layer,
char **buf, int *len, int *show_layer_name)
{
struct dvb_v5_fe_parms_priv *parms = (void *)p;
struct dtv_stats *stat = NULL;
enum dvb_quality qual = DVB_QUAL_UNKNOWN;
enum fecap_scale_params scale;
float val = -1;
int initial_len = *len;
int size, i;
/* Print status, if layer == 0, as there is only global status */
if (cmd == DTV_STATUS) {
fe_status_t status;
if (layer)
return 0;
if (dvb_fe_retrieve_stats(&parms->p, DTV_STATUS, &status)) {
dvb_logerr (_("Error: no adapter status"));
return -1;
}
if (display_name) {
size = snprintf(*buf, *len, " %s=", display_name);
*buf += size;
*len -= size;
}
/* Get the name of the highest status bit */
for (i = ARRAY_SIZE(sig_bits) - 1; i >= 0 ; i--) {
if ((1 << i) & status) {
size = snprintf(*buf, *len, _("%-7s"), _(sig_bits[i]));
*buf += size;
*len -= size;
break;
}
}
if (i < 0) {
size = snprintf(*buf, *len, _("%7s"), "");
*buf += size;
*len -= size;
}
/* Add the status bits */
size = snprintf(*buf, *len, "(0x%02x)", status);
*buf += size;
*len -= size;
return initial_len - *len;
}
/* Retrieve the statistics */
switch (cmd) {
case DTV_PRE_BER:
val = calculate_preBER(parms, layer);
if (val < 0)
return 0;
scale = FE_SCALE_COUNTER;
break;
case DTV_BER:
val = dvb_fe_retrieve_ber(&parms->p, layer, &scale);
if (scale == FE_SCALE_NOT_AVAILABLE)
return 0;
break;
case DTV_PER:
val = dvb_fe_retrieve_per(&parms->p, layer);
if (val < 0)
return 0;
scale = FE_SCALE_COUNTER;
break;
case DTV_QUALITY:
qual = dvb_fe_retrieve_quality(&parms->p, layer);
if (qual == DVB_QUAL_UNKNOWN)
return 0;
break;
default:
stat = dvb_fe_retrieve_stats_layer(&parms->p, cmd, layer);
if (!stat || stat->scale == FE_SCALE_NOT_AVAILABLE)
return 0;
}
/* If requested, prints the layer name */
if (*show_layer_name && layer) {
size = snprintf(*buf, *len, _(" Layer %c:"), 'A' + layer - 1);
*buf += size;
*len -= size;
*show_layer_name = 0;
}
if (display_name) {
size = snprintf(*buf, *len, " %s=", display_name);
*buf += size;
*len -= size;
}
/* Quality measure */
if (qual != DVB_QUAL_UNKNOWN) {
size = snprintf(*buf, *len, " %-4s", _(qual_name[qual]));
*buf += size;
*len -= size;
return initial_len - *len;
}
/* Special case: float point measures like BER/PER */
if (!stat) {
switch (scale) {
case FE_SCALE_RELATIVE:
size = snprintf(*buf, *len, " %u", (unsigned int)val);
break;
case FE_SCALE_COUNTER:
size = dvb_fe_snprintf_eng(*buf, *len, val);
break;
default:
size = 0;
}
*buf += size;
*len -= size;
return initial_len - *len;
}
/* Prints the scale */
switch (stat->scale) {
case FE_SCALE_DECIBEL:
if (cmd == DTV_STAT_SIGNAL_STRENGTH)
size = snprintf(*buf, *len, " %.2fdBm", stat->svalue / 1000.);
else
size = snprintf(*buf, *len, " %.2fdB", stat->svalue / 1000.);
break;
case FE_SCALE_RELATIVE:
size = snprintf(*buf, *len, " %3.2f%%", (100 * stat->uvalue) / 65535.);
break;
case FE_SCALE_COUNTER:
size = snprintf(*buf, *len, " %" PRIu64, (uint64_t)stat->uvalue);
break;
default:
size = 0;
}
*buf += size;
*len -= size;
return initial_len - *len;
}
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;
}
