Commit d020c427 authored by Committed by Fiona Glaser
Allows B-frames immediately prior to keyframes (in display order). This helps reduce keyframe popping and improve compression with short keyframe intervals. Due to a staggering display of braindamage in the Blu-ray spec, two open-GOP modes are available. The two modes calculate keyframe interval differently: one based on coded distance and one based on display distance. The latter is superior compression-wise, but for no comprehensible reason, Blu-ray requires the former if open-GOP is used.
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