#1029: first keyframe is missed in h264 mpegts stream
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Reporter: DonMoir | Owner:
Type: defect | Status: open
Priority: normal | Component:
Version: git-master | undetermined
Keywords: mpegts h264 | Resolution:
Blocking: | Blocked By:
Analyzed by developer: 0 | Reproduced by developer: 1
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Comment (by DonMoir):
Thanks for getting this opened Carl. This file represents the most in the
way of playback / seek problems I see currently. Still, it is just a few
mpegts-h264 files that are this bad, but there are indications that all
mpegts-h264 have a problem when seeking. In most cases this is very minor
and barely noticeable.
If it can be found why the first frames are skipped, it may lead to
reasons why seeking can also be bad for mpegts-h264 files. It is likely
that seek problems are related to the way key entries are being managed.
Again, apparently the mpegts_problem_file.ts file is not a bad file, but
various players have problems with it. ffdshow in WMP got it perfect.
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Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/1029#comment:4>
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