[FFmpeg-devel] [RFC]Autodetect VA-API

[Michael Niedermayer]

On Fri, May 03, 2013 at 05:22:10PM +0200, Carl Eugen Hoyos wrote:
> Hi!
> 
> In FFmpeg revisions 0.6, 0.7, 0.8, 0.9, 0.10, 0.11, 1.0 and 1.1, VA-API was 
> autodetected by configure, default compilation always produced ffmpeg 
> executables that depend on libva and I do not remember any user protesting 
> about it.
> Since 1.2 (and without any documentation afaict), VA-API is not auto-detected 
> anymore, this was quickly reported by users (see also ticket #2368).
> 
> On my system, a default FFmpeg compilation (./configure && make ffmpeg) 
> produces a binary that depends, apart from the typical system libraries and 
> libz and libbz2, on libsdl, libasound and libjack (which depends on 
> libstdc++), libva has no further dependencies afaict.
> 
> I don't use VA-API (and I don't care much) but I suggest attached patch that I 
> would also backport to release/1.2.
> 
> Please comment, Carl Eugen

>  configure |    2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> b0d1a88ff2c6fc526eaa5673e0c6d30379ea46d3  patchvaapi.diff
> diff --git a/configure b/configure
> index f646d55..508e88c 100755
> --- a/configure
> +++ b/configure
> @@ -2247,7 +2247,7 @@ enable static
>  enable swscale_alpha
>  
>  # By default, enable only those hwaccels that have no external dependencies.
> -enable dxva2 vdpau
> +enable dxva2 vaapi vdpau
>  

have you tested dependancies ?
this is just reverting part of a patch that changed the default IIRC

[...]

-- 
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

While the State exists there can be no freedom; when there is freedom there
will be no State. -- Vladimir Lenin
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