discoverer: Check sinkpad existence before retrieving caps
authorSebastian Dröge <sebastian@centricular.com>
Wed, 6 May 2020 08:52:20 +0000 (11:52 +0300)
committerSebastian Dröge <sebastian@centricular.com>
Wed, 6 May 2020 08:52:20 +0000 (11:52 +0300)
commit47e2c4cc10ad6d8059be227a67822afd77a1a178
treee3062a3f3d068edad1a5f7ef09a30cc7d06ac1be
parentceb705837d0f67760b38b72d3981d1bfeb1df69d
discoverer: Check sinkpad existence before retrieving caps

Otherwise we would error out without releasing the caps first.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-base/-/merge_requests/655>
gst-libs/gst/pbutils/gstdiscoverer.c