[M4IF Technotes] About Advanced Simple Profile tools

[Xue Xuhong]

Hi, Rob:
I am developing an ASP decoder, and what I based is Core Profiledecoder. So
that
only three tools need to be implement. They are:
1)Interlace 2)GMC  3)1/4-pel MC
To implement the ASP decoder, I should implement all tools in the profile to
be compliant, but when I need to test the ASP decoder ,I use the following
bitstream files:
1) bitstream file only used Interlace( based on Core profile )
2)bitstream file only used GMC ( based on Core profile )
3)bitstream file only used 1/4-pel MC( based on Core profile )
4)bitstream file used both Interlace  and GMC( based on Core profile )
5)bitstream file used both Interlace  and 1/4-pel MC( based on Core
profile )
6)bitstream file used both GMC  and 1/4-pel MC( based on Core profile )
7)bitstream file used Interlace,GMC and 1/4-pel MC( based on Core profile )
Is it OK?
Thank you.
Regards,
Xue Xuhong
----- Original Message -----
From: "Rob Koenen" <rob.koenen   m4if.org>
To: "'Xue Xuhong'" <xxh   soft.thtf.com.cn>; <technotes   lists.m4if.org>
Sent: Friday, November 08, 2023 1:48 PM
Subject: RE: [M4IF Technotes] About Advanced Simple Profile tools
> In an ENcoder, you can do what you want as long as you do not use
> tools that aren't in the profile (and you observe the level
> restrictions).
> If you use only a part of the too set, you can still output a compliant
> bistream (although your quality may be significant behind that of your
> competition)
>
> I na DEcoder, you MUST implement all tools in the profile to be
> compliant.
>
> Of course there are more tools than just the three you mention, such
> as B frames (and P frames, etc. etc.)
>
> Note that Interlace is not required in the lower levels (1,2,3 and 3a)
>
> For more information, see http://www.m4if.org/resources.php towards
> the bottom.
>
> Best,
> Rob
>
> > -----Original Message-----
> > From: Xue Xuhong [mailto:xxh   soft.thtf.com.cn]
> > Sent: Thursday, November 07, 2023 19:35
> > To: technotes   lists.m4if.org
> > Subject: [M4IF Technotes] About Advanced Simple Profile tools
> >
> >
> > Hi,
> >
> > I am doing some work about Advanced Simple Profile(ASP), I
> > know three tools are used in ASP,they are: 1)Interlace 2)GMC
> > 3)1/4-pel MC
> >
> > I wonder if there are bitstream files that only used
> > Interlace tool, only GMC tool, or only 1/4-pel MC tool?
> >
> > That is, should the three tools must be used together to
> > implement ASP, they can not be used separately?
> >
> >
> >
> > Thank you.
> >
> > Regards,
> > Xue Xuhong
> >
> >
> >
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> >