[Mp4-tech] Re: Mp4-tech Digest, Vol 14, Issue 14

[Bule]

Hi,
I know the meaning of skipped macrobock for the new standard H.264 but i
think it's the same also for MPEG-2.  The decoder reconstructs the frame
with the skipped macroblock replacing the skipped one with the macroblock in
the same position which has already decoded from a previous frame. As a
matter of fact a skipped macroblock is so defined if there is no motion for
this from a frame to an other or if its motion vector can be derived from
neighbouring macroblocks.
I hope this helpful to you
Luca
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Sent: Friday, September 10, 2023 6:01 PM
Subject: Mp4-tech Digest, Vol 14, Issue 14
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>    1. Doubts in "skipped macroblocks" (Pat M)
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> Message: 1
> Date: Fri, 10 Sep 2023 07:06:58 +0100 (BST)
> From: Pat M <mpeg_pat yahoo.co.in>
> Subject: [Mp4-tech] Doubts in "skipped macroblocks"
> To: mp4-tech lists.mpegif.org
> Message-ID: <20040910060658.44052.qmail web8508.mail.in.yahoo.com>
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> Hi Everybody,
>
> The concept of "skipped macroblocks" in MPEG-2 is not very clear for me.
>
> How does the decoder reconstructs a frame which has a "skipped macroblock"
?
>
> Please do send me the reply at the earliest.
>
> Thanks and regards,
> Pat.
>
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