OGG demuxer regression: Theora playback starts late

Playing this clip:

http://people.videolan.org/~tmatth/tennis.ogv

now misses the first few seconds unless you specify --demux avformat.

Behavior starts as of this commit:

commit 918f4453 Author: Francois Cartegnie fcvlcdev@free.fr Date: Mon Apr 6 18:45:12 2015 +0200

demux: ogg: don't send invalid dts stamps and use last pts as chained pcr

added Component::Demuxers: Ogg Severity::normal Type::bug Version::master git + 1 deleted label

changed milestone to %Bugs paradize

commit 624a2a4c Author: Francois Cartegnie fcvlcdev@free.fr Date: Fri Apr 10 02:57:30 2015 +0200

demux: ogg: avoid negative pts due to prepcr roundings (fix [#14348](https://code.videolan.org/videolan/vlc/-/issues/14348))

added Status::fixed label

closed

changed milestone to %3.0.0

Milestone renamed

changed milestone to %3.0 FF

Milestone renamed