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

[Rich Felker]

On Tue, Mar 28, 2006 at 03:52:51PM +0200, Jindrich Makovicka wrote:
> 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.

In theory it's possible to reencode only a single frame..

Rich