On Sat, 7 Mar 2020 at 12:08 Ted Park <kumowoon1...@gmail.com> wrote:

> Hi,
>
> >> Yes, the audio and video have different start times:
> >>    ffprobe -i test.mp4 -show_entries stream
> >> video:
> >> start_pts=116370
> >> start_time=1.293000
> >> audio:
> >> start_pts=0
> >> start_time=0.000000
> >>
> >
> > Greetings sir,
> >
> > Was just wandering. With this knowledge as you have elucidated, is there
> a
> > way that one can use ffmpeg to  correct this difference Prior to running
> > the commands?
>
> > 32 frames was added after the transform, and I saw some static picture
> > within the first second.
>
> I think that the added frames might be the correction you are seeing,
> 1.293 seconds counts about 32 frames at 25fps. The other possibility would
> be omitting the first ~1.293 seconds of audio.
>
> Regards,
> Ted Park


> Bingo. I just sorted myself .
Common sense is really not common.

Thanks a million.


>
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