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inputselector: Never reset active pad set from the user

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This was leading to interesting races in a GES test.
Related to: https://gitlab.freedesktop.org/gstreamer/gst-editing-services/-/issues/108

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/481>
This commit is contained in:
Thibault Saunier 2020-05-13 17:07:43 -04:00 committed by GStreamer Merge Bot
parent 8076051a19
commit 9f2e9ccd7e
2 changed files with 5 additions and 2 deletions
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4
plugins/elements/gstinputselector.c
View file

@ -1427,6 +1427,7 @@ gst_input_selector_set_property (GObject * object, guint prop_id,
GST_INPUT_SELECTOR_LOCK (sel);
sel->active_sinkpad_from_user = ! !pad;
#if DEBUG_CACHED_BUFFERS
gst_input_selector_debug_cached_buffers (sel);
#endif
@ -1814,6 +1815,7 @@ gst_input_selector_release_pad (GstElement * element, GstPad * pad)
GST_DEBUG_OBJECT (sel, "Deactivating pad %s:%s", GST_DEBUG_PAD_NAME (pad));
gst_object_unref (sel->active_sinkpad);
sel->active_sinkpad = NULL;
sel->active_sinkpad_from_user = FALSE;
}
sel->n_pads--;
GST_INPUT_SELECTOR_UNLOCK (sel);
@ -1829,7 +1831,7 @@ gst_input_selector_reset (GstInputSelector * sel)
GST_INPUT_SELECTOR_LOCK (sel);
/* clear active pad */
if (sel->active_sinkpad) {
if (sel->active_sinkpad && !sel->active_sinkpad_from_user) {
gst_object_unref (sel->active_sinkpad);
sel->active_sinkpad = NULL;
}

3
plugins/elements/gstinputselector.h
View file

@ -65,7 +65,8 @@ struct _GstInputSelector {
GstPad *srcpad;
GstPad *active_sinkpad;
gboolean active_sinkpad_from_user;
GstPad* active_sinkpad;
guint n_pads; /* number of pads */
guint padcount; /* sequence number for pads */
gboolean sync_streams;