[vdr] Re: Howto get a picture sequence from an I-frame(GOP)

[Sven Goethel <sgoethel@jausoft.com>]

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On Thursday 23 October 2003 17:16, Dr. Werner Fink wrote:
> Hi,
>
>      just having this question: Is there an easy way to
> get an jpg picture sequence from an GOP with the _same_
> quality as each picture in the GOP?  Clearly if the GOP
> is not closed or not broken the previous GOP is required
> to generate the jpg's for some of the back referenced
> B frames.
>
> Nevertheless exists there lib or program which can be
> used for this?
>

you can also have a look into the dvd plugin !

there you will see the IFrameAssembler,
which assembles, or better just buffers, all incoming 
I_Frame type packages from the DVD ..

for example, fast forward and backward uses only I Frames 
for display, so it has a mark on when it starts and how many
packets/blocks are used for this IFrame ..

hope this helps ..


>
>       Werner
>
> PS: If this is poosible, then the only thing which is missed
>     then for a cutter: a program or lib for generating an
>     I-frame(GOP) out of a sequence of jpg pictures  ;^)

yes .. and mention our PTS thingy .. ;-)


sven
- -- 
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