[FFmpeg-user] cut at keyframes

Pawel Por porparek at gmail.com
Wed Apr 2 09:16:43 CEST 2014


Thaks for reply. I've uploaded test.mp4 (10MB) file into the following
location:
http://www.sendspace.pl/en/file/3e79185144b8a84429197cd


On Tue, Apr 1, 2014 at 11:28 AM, Pawel Por <porparek at gmail.com> wrote:

> Hi
> I'm a great fan of ffmpeg. I've been using the version 1.0.7 of ffmpeg and
> it was cutting my mp4 movies at closest keyframes.
> It was exactly what I wanted.
> It was very useful to me. I was using the following command:
> ffmpeg -noaccurate_seek -i input.mp4 -ss 1 -t 3 -acodec copy -vcodec copy
> -y out.mp4
>
> I've upgraded to the newer version of ffmpeg 2.2 and I found that now when
> I use the above command it cuts my movies not at closest keyframes.
> I tried "-noaccurate_seek" option (as follows) but it still cuts my movies
> not at a closest keyframes.
> ffmpeg -noaccurate_seek -i input.mp4 -ss 1 -t 3 -acodec copy -vcodec copy
> -y out.mp4
>
> I believe that there must be some ffmpeg option to accomplish it (I cannot
> find it in "man page").
>
> Please, write me how I can do that.
>
> thanks in advance
>
>


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