[M4IF Technotes] question on reference code

[Zvi Lifshitz]

Sorry I didn’t understand the question.
Regards,
z
soon the whole world will STREAM
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Zvi Lifshitz                      Phone +972(2)679-4788
zvil   optibase.com         Fax +972(2)679-4789
Optibase Ltd.                 GSM: +972(54)461-787  (+972-LI-IM1-RTP)
http://www.optibase.com   US voice mail/fax  +1(206) 888-4149
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-----Original Message-----
From: lcheng61   hotmail.com [mailto:lcheng61   hotmail.com]
Sent: Monday, November 26, 2023 1:42 AM
To: zvil   csi.com
Cc: technotes   lists.m4if.org
Subject: RE: [M4IF Technotes] question on reference code
Hi, Zvi:
It is amazing to receive the answer from the author of MPEG-1 system
software.   We are supposed to implement the natural video codec and
incorperate it into the system codec untill we get the SL-packets for the
convenience of transmission.  It seems 14496-1 has considered this and the
OCI(object content information) is incorperated in the syntax of system
layer.
What I concern most is the interoperability, which means we want our project
interoperable to most of other related works.  But now, it seems that the
incorperation of natural video codec and system
codec doesn't necessarily need us to consider the interoperability to othor
works, right?
Look forward to your reply!
Best Regards,
Liang Cheng
>From: "Zvi Lifshitz"
>To:
>CC: ,
>Subject: RE: [M4IF Technotes] question on reference code
>Date: Fri, 23 Nov 2023 00:06:06 +0200
>
>Liang,
>
>IM1 and the MS video codec are two different pieces of software that
>implement different parts of the MPEG-4 standard. IM1 is the Systems
>reference software while the MS codec is the Visual reference software.
With
>some effort, they can be integrated as complementary components of a single
>application. They are not interoperable, just like video and audio codecs
>are not interoperable. And then, wrong, IM1 is *not* supposed to cover the
>natural coding part, while MS codec is.
>
>Hope this clarifies the situation a bit.
>
>z
>soon the whole world will STREAM
>==================================================================
>Zvi Lifshitz Phone +972(2)679-4788
>zvil   optibase.com Fax +972(2)679-4789
>Optibase Ltd. GSM: +972(54)461-787
>http://www.optibase.com US voice mail/fax +1(206) 888-4149
>==================================================================
>Come see us at:
>DSL.con 2001, Conference & Exhibition, M.O.C Center, Munich Germany, Booth
#
>205, November 27- 29, 2001
>
>
>
>
> > -----Original Message-----
> > From: Liang Cheng [mailto:lcheng62   yahoo.com]
> > Sent: Wednesday, November 21, 2023 14:12
> > To: technotes   lists.m4if.org
> > Subject: [M4IF Technotes] question on reference code
> >
> >
> > Hello, everyone:
> >
> > I just got the 14496-5. Could anyone tell me what the
> > relatiohship between IM1(system part) and the
> > Microsoft work on natural video? How can I test the
> > interoperability of them? IM1 is supposed to cover
> > natural coding part(syntax at least), right?
> >
> > What I want to do is simply display a compressed
> > video, which can be decoded by Microsoft decoder, on
> > the IM1 decoder.
> >
> > Your help will be highly appreciated. thank you.
> >
> > Liang
> >
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