If we identified that a station is an artifact of the SDR, we dont
want to timeout that to avoid it being redetected as station
Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc>
---
libavradio/sdrdemux.c | 12 ++++++++++--
1 file changed, 10 insertions(+), 2 deletions(-)
diff --git a/libavradio/sdrdemux.c b/libavradio/sdrdemux.c
index 13cec10505..39eaa0c094 100644
--- a/libavradio/sdrdemux.c
+++ b/libavradio/sdrdemux.c
@@ -347,6 +347,7 @@ static void decay_stations(SDRContext *sdr)
for (int i=0; i<nb_stations; i++) {
Station *station = station_list[i];
+ int hs;
if (station->frequency - station->bandwidth/2 < sdr->block_center_freq
- sdr->bandwidth/2 ||
station->frequency + station->bandwidth/2 > sdr->block_center_freq
+ sdr->bandwidth/2)
@@ -355,9 +356,10 @@ static void decay_stations(SDRContext *sdr)
if (station->timeout)
station->non_detection_per_mix_frequency[histogram_index(sdr,
station->frequency)] ++;
+ hs = histogram_score(station);
+
if (station->in_station_list) {
int station_timeout = STATION_TIMEOUT;
- int hs = histogram_score(station);
if (hs == 0) {
station_timeout = 5; //give the station a moment to be
properly detected and then discard it
@@ -370,7 +372,13 @@ static void decay_stations(SDRContext *sdr)
station->in_station_list = 0;
}
} else {
- if (station->timeout++ > CANDIDATE_STATION_TIMEOUT) {
+ int station_timeout = CANDIDATE_STATION_TIMEOUT;
+
+ //We do not want to drop "negative" stations to avoid them being
redetected
+ if (hs <= 0)
+ station_timeout = INT_MAX;
+
+ if (station->timeout++ > station_timeout) {
struct AVTreeNode *next = NULL;
tree_remove(&sdr->station_root, station, station_cmp, &next);
av_freep(&next);
--
2.31.1
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