[vorbis] a few questions

[Andrew Voznytsa]

i've implemented some directshow-based mp4 mux/demux, etc and i want add
support for multiplexing/demultiplexing vorbis audio streams into/from mp4
file. so, my questions is: does anyone working on something like this ? if
yes, i'd like to know some specific things to be compatible with existing
implementation.

the same things with directshow, i can write directshow based vorbis decoder
in some short time, but i'd like be compatible with current implementations
if any.
and i'm interesting: is somewhere defined "standard" format types for
directshow-based vorbis decoder ?

AV

----- Original Message -----
From: "Erato" <erato at musemagic.com>
To: <vorbis at xiph.org>
Sent: Friday, September 14, 2001 1:50 PM
Subject: RE: [vorbis] a few questions

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