[FFmpeg-devel] H.264 + PAFF: BBC HD recording shows extreme interlacing artefacts

Loren Merritt lorenm
Mon Nov 5 22:24:13 CET 2007


On Mon, 5 Nov 2007, Jeff Downs wrote:

> I'm not sure I understand this. cur->poc is the lesser of the two field
> pocs.
>
> To me, when FIELD_PICTURE is true, the patch says:
>
> top_field_first = MIN(top_poc, bottom_poc) == bottom_poc
>
> or, more simply:
>
> top_field_first = bottom_poc <= top_poc

That's backwards. POC = "picture order count". Like any order, lower 
numbers come first. so:
top_field_first = top_poc <= bottom_poc

--Loren Merritt




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