[FFmpeg-user] Starting to copy takes long
james.darnley at gmail.com
Wed Mar 29 03:32:20 EEST 2017
On 2017-03-29 02:04, 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?
> Try 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
Furthermore ffmpeg is not copying anything there. You did not tell
ffmpeg to copy. It is encoding with (probably rubbish) defaults.
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