[M4IF Technotes] Quick BIFS primer

Jean-Claude Dufourd Jean-Claude.Dufourd enst.fr
Wed Nov 27 18:23:59 EST 2002


Wesley De Neve wrote:
> For the other scenes a message box popped up saying "UNKNOWN DECODER
> TYPE". I think this has something to do with registering the necessary
> DLLs? I tried this already by doubleclicking on IM1.reg but after having
> looked at the values in the reg file, it seems that some paths are not 
> fully correct. I will have a look at this tomorrow.

Yes, that is it. You need to register the decoders.
> Regarding the samples that are supposed to be compiled with MP4Tool, I 
> think that some media files are missing, like cat3.{info, media} and 
> audio.media?

These files are all on the web site, either in the all.zip or in the 
directory directly. Beware, the streams directory is different in the 
mp4tool and in BIFSENC_MP4ENC directories...
> Would it also be possible to put a sample online that works with a visual 
> MPEG-4 elementary stream (sorry for nagging)?

cat3, in directory m4v, is one such sample.
Best regards
JC
--
Jean-Claude Dufourd       @======================================@
ENST, Dept COMELEC             The wing, over the big rock...
46, rue Barrault          @======================================@
75013 Paris                Tel: +33145817807    Fax: +33145804036


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