[Bug 664256] Separate video decoding in another process

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=664256
  GStreamer | don't know | unspecified

--- Comment #2 from Bastien Nocera <hadess at hadess.net> 2011-12-01 22:53:05 UTC ---
How much is the overhead? Is the overhead mostly about copying data to and from
the SHM segment? I guess this could always be opt-in, but my idea was, roughly,
of a GstBin which would replicate the sinks/sources/pads of the element running
inside a separate process.

In some cases, the added security is probably more important than the
performance cost (web browser). It would also mean that which actual plugins
are running externally would be the decision of something like playbin2 (read
in process, demux out of process, decode audio out of process, but video in
hardware, etc.).

I think this is definitely something to investigate, even if it is a hard
problem.

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