[Libav-user] Reading field by field of an interlaced video

[Sampath Subasinghe]

> libavcodec does no de-interlacing by default ...
>
> ... but it usually outputs the two fields of interlaced
> video in one frame.
>
Thanks Carl for the valuable input. So I see that libavcodec does field 
combination to make up the full frame.
In this case, I can separate the two fields by going through the frame 
and grouping odd lines (each line is 1-pixel thick ?) and even lines 
separately. Is this assumption correct ?

thanks.