glmixer: ensure caps are writable after intersection

gst_caps_intersect () may return an increased reference of one of the
input caps.

Fixes critical in the simple-launch-lines test:

Unexpected critical/warning: gst_caps_set_features: assertion 'IS_WRITABLE (caps)' failed
This commit is contained in:
Matthew Waters 2017-01-18 15:03:48 +11:00
parent 17430e7b82
commit 7bcc44778a

View file

@ -224,6 +224,7 @@ _update_caps (GstVideoAggregator * vagg, GstCaps * caps, GstCaps * filter)
if (filter) {
tmp = gst_caps_intersect (caps, filter);
tmp = gst_caps_make_writable (tmp);
} else {
tmp = gst_caps_copy (caps);
}