Backport of "webrtc: Add g_autoptr() support for public types" into 1.16
requested to merge tpm/gst-plugins-bad:backport-mr-329-into-1.16-wip-nielsdg-webrtc-autoptr into 1.16
Backport of !329 (merged) "webrtc: Add g_autoptr() support for public types".
Commits:
- 39c8c206 webrtc: Add g_autoptr() support for public types