[FFmpeg-user] mp4 generate moov atom at beginning of recording
h.reindl at thelounge.net
Mon Aug 19 18:59:49 CEST 2013
Am 19.08.2013 18:53, schrieb simon mares:
>> Just use "-movflags faststart".
> I tried this, indeed ffmpeg did move moov atom in front of movie data (mdat) but when I open this video after 18
> seconds of recoding and video *is still being recorded* then duration is 18 seconds in player, but video is still
> recording. What I would need that I would predefine this headers for some hours ahead.
> Please note that I'm encoding from named pipe, so mp4 file is generated on-the-fly
you can't pre-define headers of a unknown output file
on which base do you want to guess the data?
maybe some luck with this because it does the same as "-movflags faststart"
with files which have the moov at the end - but not really sure if
it generates one on-the-fly to make the client happy while the
output file is still generated
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