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compositor: Don't crash in prepare_frame() if the pad was just removed

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Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-base/-/merge_requests/950>
This commit is contained in:
Sebastian Dröge 2020-12-01 13:13:40 +02:00
parent 3ab2023ed8
commit 831199a808
1 changed files with 4 additions and 1 deletions
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5
gst/compositor/compositor.c
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@ -433,7 +433,10 @@ gst_compositor_pad_prepare_frame (GstVideoAggregatorPad * pad,
/* Check if this frame is obscured by a higher-zorder frame /* Check if this frame is obscured by a higher-zorder frame
* TODO: Also skip a frame if it's obscured by a combination of * TODO: Also skip a frame if it's obscured by a combination of
* higher-zorder frames */ * higher-zorder frames */
l = g_list_find (GST_ELEMENT (vagg)->sinkpads, pad)->next; l = g_list_find (GST_ELEMENT (vagg)->sinkpads, pad);
/* The pad might've just been removed */
if (l)
l = l->next;
for (; l; l = l->next) { for (; l; l = l->next) {
if (_pad_obscures_rectangle (vagg, l->data, frame_rect)) { if (_pad_obscures_rectangle (vagg, l->data, frame_rect)) {
frame_obscured = TRUE; frame_obscured = TRUE;