[FFmpeg-user] ffmpeg "stretches" encoding

[Gabri Nurtinaz Shally]

On Jun 18, 2012 12:10 AM, <tte at cs.fau.de> wrote:
>
> b) If i use "-async 5000", audio and video are in sync, but both audio
>   and video are now at 58 min 19 sec. Which i guess is to be expected.
>   And because they are both out of sync with the .srt, this is not
>   really useful for me. Besides, even if i could stretch the .srt, why
>   would i want to.
>
afaik, mkvmerge gui for windows has a strecth option, maybe you can try
that.

> Each of these trial encodings takes 6 hours, so it's not really fun
> experimenting around with these type of paramerers *sigh*.
>
if you just trying out, you can reduce resolution and quality to speed up
encoding.

@carl:
what he means is strecth in time plane, not spatial.