[MPlayer-dev-eng] [PATCH] Add -va for video acceleration

[Gwenole Beauchesne]

On Tue, 16 Feb 2010, Benjamin Zores wrote:

> 2010/2/16 Gwenole Beauchesne <gbeauchesne at splitted-desktop.com>:
>> Hi,
>>
>> I would like to add a -va option to MPlayer. This is intended for enabling
>> video acceleration. Sample usage:
>> $ mplayer -vo vaapi -va vaapi
>> $ mplayer -vo xv -va crystalhd
>
> Hey,
>
> Did you manage to make crystalhd work already ? Need help for that or
> is it just an example ?

It's just an example to show that video acceleration is not implied by a 
VO and an existing VO can benefit from some pure video accelerator. ;-)

>> We need a way to identify the video accelerator because this can't always be
>> implied from the VO. WDYT?
>
> Agree with that but I'd expect the option to support multiple va to be
> passed "same as for vo and vc, i.e. appended with ",".
>
> E.g. -va crystalhd,vaapi,
>
> To try cystalhd then vaapi then none.
> That's much easier to handle for distributions and other automatic scripts.

The problem is I don't see how we can integrate this list with the current 
vd_ffmpeg.c.