[FFmpeg-user] Cutting out part of a video does not work

[Bo Berglund]

On Sat, 27 Mar 2021 02:50:13 +0100, Peter White <peter.white at posteo.net> wrote:

>> I tested your command ona typical video file and found that the output looks
>> basically like this:
>> 
>> [FRAME]
>> best_effort_timestamp_time=3900.000000
>> [/FRAME]
>> [FRAME]
>> best_effort_timestamp_time=3905.000000
>> [/FRAME]
>> [FRAME]
>> best_effort_timestamp_time=3910.000000
>> [/FRAME]
>> [FRAME]
>> best_effort_timestamp_time=3915.000000
>> [/FRAME]
>> 
>> It seems like there are "frames" at every 5 seconds.
>
>Not to be picky, but there are certainly very many more frames. The
>distinction is between *keyframes* and everything else called a frame.
>
Of course this is not the entire output! It streams past at high speed so covers
many many pages.
But it all looks the same with the time incrementing at exactly 5 seconds...


-- 
Bo Berglund
Developer in Sweden