[M4IF Technotes] max size in simple profile

[Ramkishor Korada]

Hi,
----- Original Message -----
From: "anuradha" <anuradha   smartyantra.com>
To: <technotes   lists.m4if.org>
Sent: Saturday, September 29, 2023 4:59 PM
Subject: RE: [M4IF Technotes] max size in simple profile
> Hi,
>
> I am trying to encode a frame of arbitrary size, greater than CIF using
> Simple Profile. Short Video Header format
> doesn't allow me to use arbitary sizes( Table 6.25 in visual standard ).

    Arbitrary sizes can be used, but not greater than CIF size.
>      Can I achieve this by using 4 Vidoe Objects each of size less than or
> equal to CIF?

    Yes. it is possible.
> In simple Profile L3, if I use 4 Video Objects, then what is the Maximun
> total area of 4 Video Object Planes? Is it 396x4
> macroblocks or just 396 macroblocks ?

 The max. no. macroblocks for all the four video objects is 396.
>
> Thanks
>
> Regards
> Anuradha
>
> Subject: RE: [M4IF Technotes] max size in simple profile
> Hi
>
> If you are decoding a dingle VO in simple profile level-3, then you can
> decode any frame, which has total number of macroblocks <= 396 (e.g., a
> frame of size 640x144).
> Furthermore, Max. VMV buffer size of 792 and VCV decoder rate of 11880
have
> to be satisfied.
>
> Regards,
> Prabhu
> ObjectVideo
>
> -----Original Message-----
> From: technotes-admin   lists.m4if.org
> [mailto:technotes-admin   lists.m4if.org]On Behalf Of anuradha
> Sent: Friday, September 28, 2023 8:02 AM
> To: technotes   lists.m4if.org
> Subject: [M4IF Technotes] max size in simple profile
>
> Hi,
> Can someone help me with the maximum frame size supported by simple
profile?
> The standard says, "typical session size" as
> CIF for level3. Does it mean I cant encode any frame larger than CIF( 352
x
> 288 x 30 ) using simple profile?
>
> Regards
> Anuradha
>
>
>
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