[FFmpeg-user] How to download video stream starting at an earlier time?

DEF shaker.doc at gmail.com
Mon Aug 16 13:30:23 EEST 2021

On Mon, 16 Aug 2021 at 07:57, Bo Berglund <bo.berglund at gmail.com> wrote:
> Is it possible to download a live video stream on youtube using ffmpeg such that
> it starts *earlier* than current time and lasts for a set time?
> If I use a browser I can start the viewing at an earlier time by two ways:
> 1) I open the video URL and then I drag the right side of the progress bar left
> 2) I modify the video URL by adding ?t=3600 to the end and it will start playing
> 1 hour from the start of the stream.
> Example:
> I would like to be able to download a playing live stream section starting at
> 3650 seconds from the start and lasting for 600 seconds in mp4 format.
> What would the ffmpeg command to accomplish this look like?

then you add -ss 3600 before your input!!


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