[linux-dvb] Re: GOP to I-frame converter?

[MK <amk@befree.ch>]

On Tuesday 26 December 2000 12:09, you wrote:
> Does anybody know of a (freely available) algorithm to convert
> an MPEG2 Group Of Pictures (GOP) which usually consists of an
> I-frame followed by several P- and B-frames into a GOP that
> consists only of I-frames?
>
> Background: I am currently implementing an editing function into VDR
> and the solution I have so far can only cut at I-frame borders (i.e.
> about every half second). If there is a way to convert all frames of
> a GOP into I-frames I believe it should be possible to implement a
> frame besed editing function.
>
> Greetings
> Klaus

I-frames only mpegs have a seemingly justified reputation for lousy quality.
(as well as the first generaion of "frame-accurate" editors, none free AFAIK 
alas)
Don't you think this kind of transformation on a whole GOP would be quite 
visible?

Max


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