#1516: Possible dead loop while making snapshot from a MP4
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Reporter: tewilove | Owner:
Type: defect | Status: new
Priority: normal | Component:
Version: unspecified | undetermined
Keywords: | Resolution:
Blocking: | Blocked By:
Analyzed by developer: 0 | Reproduced by developer: 0
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Comment (by Cigaes):
Them measure the time it took for 20, multiply it by 24, and wait that
amount of time for your original 479.342, because that is the time
necessary to decode and skip 479 seconds of HD video.
You can add a kind of progress indication if you add this to the end of
your command line: {{{-f framecrc -r 1 -an -sn -t 480 -}}}
You could also speed-up things by putting {{{-ss}}} as an input option,
but the time would be much less accurate as it would only jump to
keyframes.
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Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/1516#comment:4>
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