[Intel-gfx] 1080i content on 1080i shakes

[Peter Ross]

On Mon, Jun 11, 2012 at 09:32:05AM +0200, Daniel Vetter wrote:
> On Sun, Jun 10, 2012 at 10:50:46PM +0200, Angela wrote:
> > Hello
> > I have the interlaced patch running (kernel 3.3, not updated since February)
> > and is working perfect for up to 720p TV content. However with 1080i TV
> > content the picture shakes almost continuously. The shaking is also viewable
> > when the recording is paused. Only some 1080i channels are almost OK. Others
> > are not viewable. 
> > I have updated with xorg-edgers several times for the last three months
> > without any improvement.
> > 
> > While shooting a movie (25fp) I could not capture the shaking also not when
> > paused. So I paused a recording and shot continuously pictures (iso1600)
> > showing how the picture (shirt) shakes. The pictures can be downloaded
> > http://www.filedropper.com/1080iplayedon1080ipaused 10MB.
> 
> Hm, to me that just looks like interlaced being interlaced. We scan out a
> progressive framebuffer, so when you display interlaced content it first
> gets deinterlaced, then the hw again makes an interlaced stream out of it.
> Maybe we could improve things by picking a different
> progressive->interlaced mode in the hw, but otherwise I dunno.

Angela - Try turning on deinterlacing in your software player.

-- Peter
(A907 E02F A6E5 0CD2 34CD 20D2 6760 79C5 AC40 DD6B)
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