876574 - Construct fixed pipeline in gstreamer backend

Status: RESOLVED WONTFIX

(Core :: Audio/Video, defect)

Description

[Edwin Flores [inactive from 2016-12-01] [:eflores] [:edwin]]

The gstreamer backend currently uses playbin to automatically construct a pipeline.

For security, we should construct known-good pipelines manually.

Comment 1

[Alessandro Decina]

If we really want to do this, there's a way to tap in in the autoplug mechanism and whitelist/blacklist things. playbin does a bunch of useful things that would be pointless to duplicate.

Comment 2

[Chris Pearce [:cpearce (Not reading bugmail)]]

If we can reliably blacklist *everything* except the specific nodes that we need, that should be sufficient. We do this in the Windows Media Foundation backend.

Comment 3

[Edwin Flores [inactive from 2016-12-01] [:eflores] [:edwin]]

Attachment: Whitelist elements

Comment 4

[Edwin Flores [inactive from 2016-12-01] [:eflores] [:edwin]]

After talking on IRC, Alessandro and I concluded that there's no real way of doing this, as there is no way to uniquely identify plugins. Resolving WONTFIX.