[MEncoder-users] compression: 1080i versus 720p

[Jarred Nicholls]

On Thu, Dec 24, 2009 at 12:29 AM, RC <cooleyr at gmail.com> wrote:

> On Thu, 24 Dec 2009 00:04:15 -0500
> Jarred Nicholls <jarred.nicholls at gmail.com> wrote:
>
> > I think he's saying that though it's 60 fields per second, that they
> > are being played back (viewed) at 30 frames per second (perception)
> > when it is interlaced...and deinterlacing the fields turns the 60
> > fields into 30 full frames and still is played back at 30 frames per
> > second.  At least such is the case with any software video player such
> > as Mplayer.
>
> MPlayer is quite capable of playing interlaced videos properly.
>

Sure it does, but it translates (for example) 59.94 (60000/1001) into 29.97
(30000/1001), which is what I was saying.

If you playback an interlaced movie and then play it back deinterlaced,
between any given second you will see 30 frames in both instances.

Jarred


>
> --
> Ha. I'm the idiot.
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