[Ffmpeg-devel] [Ffmpeg-devel-old] Softcut?

Jindrich Makovicka makovick
Tue Mar 28 15:52:51 CEST 2006


On 3/28/06, Patrick Fischer <patrick_fischer at gmx.de> wrote:
> Hello
> Its a long time ago i have postet my last post on this list....
>
> A friend and me talked about mpeg cutting.
> We both heard about a way to cut mpeg not at the I-Frame but without
> reencode.
> Im not sure which is the rigth name of this method.
> We call it "softcut". Maybe you can tell me the rigth name.
>
> It works like this
>
> I-----------I-----------I-----------I-----------I.......
>
> Now I want to cut at this parts
> I-------|---I-----------I-----------I---|-------I.......
>
> To fake the I-Fameless Cut we want to fill the Frames with "Black
> Frames" and cut at the I-Frame
>
> I#######|---I-----------I-----------I---|#######I.......
>
> I know there are lots of problems by this way(audio, sync,..), but maybe
> you can tell me if there is any projekt(maybe ffmpeg) which can do the job.

AFAIK, avidemux can do this - it only reencodes the GOPs which contain
a frame refering to a frame being cut out.

--
Jindrich Makovicka





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