Philippe Normand 9a5ca61f87 vp9parse: Fix critical warning during caps negotiation
`gst_pad_get_allowed_caps()` returns a non-writable caps, so we need to make it
writable, otherwise the `gst_caps_remove_structure()` call below might trigger a
critical warning.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/5975>
2024-01-25 00:01:14 +00:00
..
2024-01-15 21:53:11 +00:00