[FFmpeg-user] Starting to copy takes long

Cecil Westerhof Cecil at decebal.nl
Wed Mar 29 05:12:17 EEST 2017


On Wednesday 29 Mar 2017 02:04 CEST, Cley Faye wrote:

> 2017-03-29 1:54 GMT+02:00 Cecil Westerhof <Cecil at decebal.nl>:
>
>> I want to copy a little bit of a video. I do this with:
>> ffmpeg -i input.mov -ss 16:28 -t 5 output.mov
>>
>> But it takes about 2:20 before the copying starts. Is this normal?
>>
>
> ‚ÄčTry moving the -ss part before your input. -ss before an input use
> forward (if possible fast forward) on your source, while before an
> output it means processing everything before, then start using the
> output after the given time.

That was the problem. Thanks.

-- 
Cecil Westerhof
Senior Software Engineer
LinkedIn: http://www.linkedin.com/in/cecilwesterhof


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