[Bug 796169] vaapidec: Sample video that renders fine with FFMPEG but not in GStreamer

GStreamer (GNOME Bugzilla) bugzilla at gnome.org
Wed May 30 12:45:33 UTC 2018


https://bugzilla.gnome.org/show_bug.cgi?id=796169

--- Comment #29 from Nicolas Dufresne (ndufresne) <nicolas at ndufresne.ca> ---
It's flawed, because it does not adhere to the spec. No other decoder I've read
seems to do that. It's also flawed because if you have two frames, placed like
this t0 b0 t1 b1 and loose b0 and t1, it will gently create one mixed frame t0
b1.

The frame num check would solve this (JM does check this). But then we need
late concealment, as this decode call will produce two pictures.

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