[FFmpeg-user] Video in video not from start

[Cecil Westerhof]

Ferdi Scholten <ferdi at sttc-nlp.nl> writes:

> I want to play a video in a video from a certain point. I understood I
>> could do something like:
>>      ffmpeg              \
>>        -i input1.mp4     \
>>        -i input2.mp4     \
>>        -filter_complex "
>>          [0:v][1:v] overlay=25:25:
>>          enable='between(t,8,20)'
>>        "                 \
>>        -pix_fmt yuv420p  \
>>        -c:a copy         \
>>        output.mp4
>>
>> But this starts input2.mp4 from the start of input2.mp4 on the 8
>> second, for twelve seconds.
>> Is it possible to let input2.mp4 not start from second 0, but from
>> second 17?
>>
> Try putting -ss 17 between the two inputs.

I was thinking about that. But that means that if I want to use
input2.mp4 several times, I should use input2.mp4 several times with
the correct -ss. Not really a problem, but I had hoped for a more
efficient way. But I will use it like this for the moment then.
Thanks.

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