From: Akihiro Tsukada <tsk...@gmail.com>
include stream id to duplication check
---
lib/include/libdvbv5/dvb-scan.h | 11 ++--
lib/libdvbv5/dvb-scan.c | 132 ++++++++++++----------------------------
utils/dvb/dvbv5-scan.c | 16 ++---
3 files changed, 49 insertions(+), 110 deletions(-)
diff --git a/lib/include/libdvbv5/dvb-scan.h b/lib/include/libdvbv5/dvb-scan.h
index e3a0d24..aad6d01 100644
--- a/lib/include/libdvbv5/dvb-scan.h
+++ b/lib/include/libdvbv5/dvb-scan.h
@@ -385,16 +385,17 @@ void dvb_add_scaned_transponders(struct dvb_v5_fe_parms
*parms,
*/
int dvb_estimate_freq_shift(struct dvb_v5_fe_parms *parms);
-int dvb_new_freq_is_needed(struct dvb_entry *entry, struct dvb_entry
*last_entry,
- uint32_t freq, enum dvb_sat_polarization pol, int
shift);
-int dvb_new_ts_is_needed(struct dvb_entry *entry, struct dvb_entry *last_entry,
- uint32_t freq, int shift, uint32_t ts_id);
+int dvb_new_entry_is_needed(struct dvb_entry *entry,
+ struct dvb_entry *last_entry,
+ uint32_t freq, int shift,
+ enum dvb_sat_polarization pol, uint32_t stream_id);
struct dvb_entry *dvb_scan_add_entry(struct dvb_v5_fe_parms *parms,
struct dvb_entry *first_entry,
struct dvb_entry *entry,
uint32_t freq, uint32_t shift,
- enum dvb_sat_polarization pol);
+ enum dvb_sat_polarization pol,
+ uint32_t stream_id);
void dvb_update_transponders(struct dvb_v5_fe_parms *parms,
struct dvb_v5_descriptors *dvb_scan_handler,
diff --git a/lib/libdvbv5/dvb-scan.c b/lib/libdvbv5/dvb-scan.c
index f265f97..e11a915 100644
--- a/lib/libdvbv5/dvb-scan.c
+++ b/lib/libdvbv5/dvb-scan.c
@@ -693,93 +693,32 @@ int dvb_estimate_freq_shift(struct dvb_v5_fe_parms *__p)
return shift;
}
-int dvb_new_freq_is_needed(struct dvb_entry *entry, struct dvb_entry
*last_entry,
- uint32_t freq, enum dvb_sat_polarization pol, int
shift)
+int dvb_new_entry_is_needed(struct dvb_entry *entry,
+ struct dvb_entry *last_entry,
+ uint32_t freq, int shift,
+ enum dvb_sat_polarization pol, uint32_t stream_id)
{
- int i;
- uint32_t data;
-
for (; entry != last_entry; entry = entry->next) {
- for (i = 0; i < entry->n_props; i++) {
- data = entry->props[i].u.data;
- if (entry->props[i].cmd == DTV_POLARIZATION) {
- if (data != pol)
- continue;
- }
- if (entry->props[i].cmd == DTV_FREQUENCY) {
- if (( freq >= data - shift) && (freq <= data +
shift))
- return 0;
- }
- }
- }
-
- return 1;
-}
-
-struct dvb_entry *dvb_scan_add_entry(struct dvb_v5_fe_parms *__p,
- struct dvb_entry *first_entry,
- struct dvb_entry *entry,
- uint32_t freq, uint32_t shift,
- enum dvb_sat_polarization pol)
-{
- struct dvb_v5_fe_parms_priv *parms = (void *)__p;
- struct dvb_entry *new_entry;
- int i, n = 2;
-
- if (!dvb_new_freq_is_needed(first_entry, NULL, freq, pol, shift))
- return NULL;
-
- /* Clone the current entry into a new entry */
- new_entry = calloc(sizeof(*new_entry), 1);
- if (!new_entry) {
- dvb_perror("not enough memory for a new scanning frequency");
- return NULL;
- }
+ int i;
- memcpy(new_entry, entry, sizeof(*entry));
+ for (i = 0; i < entry->n_props; i++) {
+ uint32_t data = entry->props[i].u.data;
- /*
- * The frequency should change to the new one. Seek for it and
- * replace its value to the desired one.
- */
- for (i = 0; i < new_entry->n_props; i++) {
- if (new_entry->props[i].cmd == DTV_FREQUENCY) {
- new_entry->props[i].u.data = freq;
- /* Navigate to the end of the entry list */
- while (entry->next) {
- entry = entry->next;
- n++;
+ if (entry->props[i].cmd == DTV_FREQUENCY) {
+ if (freq < data - shift || freq > data + shift)
+ break;
}
- dvb_log("New transponder/channel found: #%d: %d",
- n, freq);
- entry->next = new_entry;
- new_entry->next = NULL;
- return new_entry;
- }
- }
-
- /* This should never happen */
- dvb_logerr("BUG: Couldn't add %d to the scan frequency list.", freq);
- free(new_entry);
-
- return NULL;
-}
-
-int dvb_new_ts_is_needed(struct dvb_entry *entry, struct dvb_entry *last_entry,
- uint32_t freq, int shift, uint32_t ts_id)
-{
- int i;
- uint32_t data;
-
- for (; entry != last_entry; entry = entry->next) {
- for (i = 0; i < entry->n_props; i++) {
- data = entry->props[i].u.data;
- if (entry->props[i].cmd == DTV_STREAM_ID) {
- if (data != ts_id)
+ if (pol != POLARIZATION_OFF
+ && entry->props[i].cmd == DTV_POLARIZATION) {
+ if (data != pol)
break;
}
- if (entry->props[i].cmd == DTV_FREQUENCY) {
- if (freq < data - shift || freq > data + shift)
+ /* NO_STREAM_ID_FILTER: stream_id is not used.
+ * 0: unspecified/auto. libdvbv5 default value.
+ */
+ if (stream_id != NO_STREAM_ID_FILTER && stream_id != 0
+ && entry->props[i].cmd == DTV_STREAM_ID) {
+ if (data != stream_id)
break;
}
}
@@ -790,16 +729,19 @@ int dvb_new_ts_is_needed(struct dvb_entry *entry, struct
dvb_entry *last_entry,
return 1;
}
-static struct dvb_entry *
-dvb_scan_add_entry_isdbs(struct dvb_v5_fe_parms *__p,
- struct dvb_entry *first_entry, struct dvb_entry *entry,
- uint32_t freq, uint32_t shift, uint32_t ts_id)
+struct dvb_entry *dvb_scan_add_entry(struct dvb_v5_fe_parms *__p,
+ struct dvb_entry *first_entry,
+ struct dvb_entry *entry,
+ uint32_t freq, uint32_t shift,
+ enum dvb_sat_polarization pol,
+ uint32_t stream_id)
{
struct dvb_v5_fe_parms_priv *parms = (void *)__p;
struct dvb_entry *new_entry;
int i, n = 2;
- if (!dvb_new_ts_is_needed(first_entry, NULL, freq, shift, ts_id))
+ if (!dvb_new_entry_is_needed(first_entry, NULL, freq, shift, pol,
+ stream_id))
return NULL;
/* Clone the current entry into a new entry */
@@ -874,7 +816,7 @@ static void add_update_nit_dvbc(struct dvb_table_nit *nit,
new = tr->entry;
} else {
new = dvb_scan_add_entry(tr->parms, tr->first_entry, tr->entry,
- d->frequency, tr->shift, tr->pol);
+ d->frequency, tr->shift, tr->pol, 0);
if (!new)
return;
}
@@ -908,7 +850,8 @@ static void add_update_nit_isdbt(struct dvb_table_nit *nit,
for (i = 0; i < d->num_freqs; i++) {
new = dvb_scan_add_entry(tr->parms, tr->first_entry, tr->entry,
- d->frequency[i], tr->shift, tr->pol);
+ d->frequency[i], tr->shift,
+ tr->pol, 0);
if (!new)
return;
}
@@ -984,9 +927,9 @@ static void add_update_nit_dvbt2(struct dvb_table_nit *nit,
for (i = 0; i < t2->frequency_loop_length; i++) {
new = dvb_scan_add_entry(tr->parms, tr->first_entry, tr->entry,
t2->centre_frequency[i] * 10,
- tr->shift, tr->pol);
+ tr->shift, tr->pol, t2->plp_id);
if (!new)
- return;
+ continue;
dvb_store_entry_prop(new, DTV_DELIVERY_SYSTEM,
SYS_DVBT2);
@@ -1014,7 +957,8 @@ static void add_update_nit_dvbt(struct dvb_table_nit *nit,
return;
new = dvb_scan_add_entry(tr->parms, tr->first_entry, tr->entry,
- d->centre_frequency * 10, tr->shift, tr->pol);
+ d->centre_frequency * 10, tr->shift,
+ tr->pol, 0);
if (!new)
return;
@@ -1053,7 +997,7 @@ static void add_update_nit_dvbs(struct dvb_table_nit *nit,
new = tr->entry;
} else {
new = dvb_scan_add_entry(tr->parms, tr->first_entry, tr->entry,
- d->frequency, tr->shift, tr->pol);
+ d->frequency, tr->shift, tr->pol, 0);
if (!new)
return;
}
@@ -1094,9 +1038,9 @@ static void add_update_nit_isdbs(struct dvb_table_nit
*nit,
if (tr->update)
return;
- ts_id = tran->transport_id;
- new = dvb_scan_add_entry_isdbs(tr->parms, tr->first_entry, tr->entry,
- d->frequency, tr->shift, ts_id);
+ ts_id = tran->transport_id;
+ new = dvb_scan_add_entry(tr->parms, tr->first_entry, tr->entry,
+ d->frequency, tr->shift, tr->pol, ts_id);
if (!new)
return;
diff --git a/utils/dvb/dvbv5-scan.c b/utils/dvb/dvbv5-scan.c
index e87c983..ef2b3ab 100644
--- a/utils/dvb/dvbv5-scan.c
+++ b/utils/dvb/dvbv5-scan.c
@@ -241,6 +241,7 @@ static int run_scan(struct arguments *args,
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
@@ -254,18 +255,11 @@ static int run_scan(struct arguments *args,
if (dvb_retrieve_entry_prop(entry, DTV_POLARIZATION, &pol))
pol = POLARIZATION_OFF;
- if (parms->current_sys == SYS_ISDBS) {
- uint32_t tsid = 0;
+ if (dvb_retrieve_entry_prop(entry, DTV_STREAM_ID, &stream_id))
+ stream_id = NO_STREAM_ID_FILTER;
- dvb_store_entry_prop(entry, DTV_POLARIZATION,
POLARIZATION_R);
-
- dvb_retrieve_entry_prop(entry, DTV_STREAM_ID, &tsid);
- if (!dvb_new_ts_is_needed(dvb_file->first_entry, entry,
- freq, shift, tsid))
- continue;
- } else
- if (!dvb_new_freq_is_needed(dvb_file->first_entry, entry,
- freq, pol, shift))
+ if (!dvb_new_entry_is_needed(dvb_file->first_entry, entry,
+ freq, shift, pol, stream_id))
continue;
count++;
--
2.1.2
--
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