[vdr] xine-lib and vaapi support

Theunis Potgieter theunis.potgieter at gmail.com
Tue Nov 9 09:47:50 CET 2010


On 8 November 2010 17:02, Tony Houghton <h at realh.co.uk> wrote:
> On 08/11/10 12:50, Theunis Potgieter wrote:
>>
>> On 8 November 2010 13:59, lucian orasanu<o_lucian at yahoo.com>  wrote:
>>>
>>> how about moving to mplayer instead of xine-lib, is not maintained
>>> very well any more?
>>>
>> My personal experience with mplayer is that it lacks proper aspect
>> ratio detection or guessing based on source that does not contain the
>> correct info. xine-lib seems to handle this much better. Also
>> automatic cropping is a nice feature that works quite well in the
>> vdr-xineliboutput plugin (even with vdpau). Most people doesn't seem
>> to mind that the output is stretched or squeezed incorrectly, but I
>> do. I prefer it that a circle appears to be that and not in the
>> elliptical form.
>
> What??! You can tell mplayer the exact ratio of your monitor and the
> exact ratio of the video on the command line and it correctly calculates
> how to display it. vdr-sxfe and vdr-fbfe have an equivalent of
> -monitoraspect but xine-ui and gxine don't, or didn't last time I
> looked. Instead they query the display's dimensions from the X server,
> which often gives bogus information, or xine doesn't use the information
> correctly. For example, X thinks my Sony TV (1366x768 physically, but
> uses a 1360x768 native resolution, connected by HDMI), measures 16m x 9m
> (yes, metres!) so I override it with:

I was referring to the source and not to my output display.

>
> Section "Monitor"
>        Identifier      "32in TV"
>        #DisplaySize    708 398 # real size
>        DisplaySize     320 180 # lie to avoid tiny fonts
>        Option          "UseEdiDpi"     "false"
>        Option          "DPI"           "96 x 96"
>        Option          "DPMS"          "false"
> EndSection
>
> But when I tried xine it was OK windowed, while in full-screen mode it
> scaled and applied letterboxing as if for a 4:3 display for some reason
> :-(.
>
> With xine you can override the aspect ratio of the video stream too. It
> has the advantage over mplayer that you can do it on the fly, but the
> disadvantage that it only has a few presets with names that don't
> indicate what the aspect ratio actually is in numbers.
>
> --
> TH * http://www.realh.co.uk
>
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