[linux-sunxi] Re: Rotated video playback on A20

2015-12-08 Thread András Ács
Thanks!
It's actually the libvdpau-sunxi, I got confused by the naming (the 
libvdpau-sunxi github page links to https://linux-sunxi.org/Cedrus which 
refers to CedarX)

On Tuesday, December 8, 2015 at 2:16:17 PM UTC+1, Stefan Monnier wrote:
>
> > Can you give advice on how to approach this? Is it at all possible to do 
> > rotation with the CedarX driver? 
>
> I'd recommend you try it with the libvdpau-sunxi since it's at least 
> a code base that is amenable to improvements. 
>
>
> Stefan 
>
>

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Re: [linux-sunxi] Re: Rotated video playback on A20

2015-12-08 Thread András Ács
That's definite. Bummer.

Pre-rotation it is, then.

Thank you all!

Regards,
Andras

On Tuesday, December 8, 2015 at 4:03:02 PM UTC+1, Jens Kuske wrote:
>
> On 08/12/15 15:02, András Ács wrote: 
> > Thanks! 
> > It's actually the libvdpau-sunxi, I got confused by the naming (the 
> > libvdpau-sunxi github page links to https://linux-sunxi.org/Cedrus 
> which 
> > refers to CedarX) 
>
> Hi, 
>
> the video engine is able to rotate the video while decoding, but its not 
> possible to export this feature with vdpau. 
>
> vdpau doesn't provide the information that it needs a rotated video at 
> decoding time, but only later at render time. You would have to look 
> into the future to do rotate at decoding time. 
> G2D is the only other part that can do rotation afterwards, but g2d 
> can't read the tiled video engine output, so it can't be used too. 
>
> Regards, 
> Jens 
>
>
> > 
> > On Tuesday, December 8, 2015 at 2:16:17 PM UTC+1, Stefan Monnier wrote: 
> >> 
> >>> Can you give advice on how to approach this? Is it at all possible to 
> do 
> >>> rotation with the CedarX driver? 
> >> 
> >> I'd recommend you try it with the libvdpau-sunxi since it's at least 
> >> a code base that is amenable to improvements. 
> >> 
> >> 
> >> Stefan 
> >> 
> >> 
> > 
>

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