+++ This bug was initially created as a clone of Bug #782697 +++

Problem here is that discoverer considers child streams the same based on the caps. If the caps intersect (after removing stream-format and alignment and parsed and framed fields), they are considered the same.

However streams can also be the same otherwise, e.g. when the width/height fields differ (demuxer had wrong info, parser gets correct), or when the codec_data differs (which is the case here, h265parse creates different but equivalent codec_data).

Just looking at the caps name is not enough though, as video/mpeg can be container format or elementary stream.


We could remove more fields, basically what copy_and_clean_caps() in missing-plugins.c does.