add ability to set suggestedPresentationDelay in DASH muxer
|Reproduced by developer:
|Analyzed by developer:
Description (last modified by )
Summary of the bug: It is currently not possible to set the
suggestedPresentationDelay in generated mpd files in all cases in the ffmpeg DASH muxer. The default value chosen (1 segment length depending on the situation) results in unusable playback in many situations if using a player that tries to respect ffmpeg's chosen delay.
If unwilling to provide a knob, defaulting it to a small multiple of the segment duration is a saner default that won't break players that try to respect it. See https://dashif.org/docs/DASH-IF-IOP-v4.2-clean.htm e.g.