[Bug 25998] ImmutableStreams is unsufficient, also need "AlwaysSend"

[bugzilla-daemon at freedesktop.org]

http://bugs.freedesktop.org/show_bug.cgi?id=25998





--- Comment #4 from Mikhail Zabaluev <mikhail.zabaluev at nokia.com>  2010-01-13 07:29:21 PST ---
Yes, it seems useful to have a way to tell the client not to change the
direction even if it would do normally, and resort to other means of reducing
resource usage. For example, when the video call application was made invisible
on the desktop, running the full video playback stack is wasteful (think of
mobile devices here), and sending captured video may even be considered a
privacy issue. If directionality can't be renegotiated, the client/stream
engine should know to stop running the full pipelines, switching to sending
trickle packets.

I can't tell if there are many real-world cases for ImmutableStreams and
ImmutableDirection to be separate flags, but it's possible.


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