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spanplc: Don't segfault when retrieving the stats property without a spanplc context

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For example when trying to get the property value in NULL state.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-bad/-/merge_requests/1258>
This commit is contained in:
Sebastian Dröge 2020-05-10 11:23:02 +03:00 committed by GStreamer Merge Bot
parent 2a2e48fd9e
commit d6f6c51f3c
1 changed files with 10 additions and 8 deletions
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18
ext/spandsp/gstspanplc.c
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@ -75,16 +75,18 @@ static gboolean gst_span_plc_event_sink (GstPad * pad, GstObject * parent,
static GstStructure *
gst_span_plc_create_stats (GstSpanPlc * self)
{
GstStructure *s;
GstStructure *s = NULL;
GST_OBJECT_LOCK (self);
s = gst_structure_new ("application/x-spanplc-stats",
"num-pushed", G_TYPE_UINT64, self->num_pushed,
"num-gap", G_TYPE_UINT64, self->num_gap,
"plc-num-samples", G_TYPE_UINT64, self->plc_num_samples,
"plc-duration", G_TYPE_UINT64, self->plc_duration,
"pitch", G_TYPE_INT, self->plc_state->pitch,
"pitch-offset", G_TYPE_INT, self->plc_state->pitch_offset, NULL);
if (self->plc_state) {
s = gst_structure_new ("application/x-spanplc-stats",
"num-pushed", G_TYPE_UINT64, self->num_pushed,
"num-gap", G_TYPE_UINT64, self->num_gap,
"plc-num-samples", G_TYPE_UINT64, self->plc_num_samples,
"plc-duration", G_TYPE_UINT64, self->plc_duration,
"pitch", G_TYPE_INT, self->plc_state->pitch,
"pitch-offset", G_TYPE_INT, self->plc_state->pitch_offset, NULL);
}
GST_OBJECT_UNLOCK (self);
return s;