webrtc: Reset received_caps when releasing pad
This is to work around a race where the pad is accessed in the webrtc main thread while being released. Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-bad/-/merge_requests/2104>
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@ -6268,6 +6268,7 @@ gst_webrtc_bin_release_pad (GstElement * element, GstPad * pad)
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if (webrtc_pad->trans)
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gst_object_unref (webrtc_pad->trans);
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webrtc_pad->trans = NULL;
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gst_caps_replace (&webrtc_pad->received_caps, NULL);
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PC_UNLOCK (webrtc);
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_remove_pad (webrtc, webrtc_pad);
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