[vorbis] a few questions

[Marshall Eubanks]

>http://www.m4if.org/resources.html
>

See also 
http://www.mpeg4ip.net/
which has a lot of open source and available MPEG-4
code available.

The licensing issue is still a mess, although they
hope to make it at least coherent "real soon now". Use
at your own risk.

BTW, there is no MP4. The equivalent audio codec is the 
Dolby AAC.

Regards
Marshall Eubanks

>appears it's not "legal" to just hand out the standard, you can order it via

>the above link...but reference
>software is available on the web...as far as I know though...it is in
>parts...
>Video at Microsoft, Audio at University of Hannover and Systems...I don't
>know.
>I know of nowhere where an integrated VM (verification model) of MPEG-4
>has ever existed.
>
>Directshow SDK I believe has tutorials on how to create plugins...last I
>heard,
>called filtergraphs, to add an algorithm.
>
> MuseMagic
> 1.240.209.7765 voicemail/fax
>  thalia at musemagic.com
>  www.musemagic.com
>
>
>
>-----Original Message-----
>From: owner-vorbis at xiph.org [mailto:owner-vorbis at xiph.org]On Behalf Of
>Andrew Voznytsa
>Sent: Friday, September 14, 2001 3:22 AM
>To: vorbis at xiph.org
>Subject: [vorbis] a few questions
>
>
>Hi all,
>
>i'm new here and i've next questions:
>
>  1. does anyone work on ingeration with mp4 file format ? if yes, where can

>i find specs ? i need DecoderSpecificInfo description, value of
>DecoderConfigDescriptor::ObjectTypeIndication, etc.
>  2. second, is somewhere specs/descriptions of "standardized" media
>types/sub types/format types for ogg/vorbis in DirectShow ?
>
>AV
>
>
>
>
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Marshall Eubanks

tme at 21rst-century.com

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