[Bug 660770] videodecoder, videoencoder: support "partial" frames / slices for raw video

[GStreamer (GNOME Bugzilla)]

https://bugzilla.gnome.org/show_bug.cgi?id=660770

--- Comment #6 from boxerab at gmail.com <boxerab at gmail.com> ---
I am currently looking into Ultra Low Latency JPEG 2000.

This mode of J2K encodes and decodes video at the stripe level (a J2K strip has
a height of 4 pixels)

This can be used in broadcast, for example, to get sub-frame latency.

I think a case could be made to support partial frames, at least for 
JPEG 2000.

Also, there is a new low-latency ISO standard called JPEG-XS:

https://jpeg.org/items/20150709_press.html


I would be interested in working on this.

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