[MPlayer-dev-eng] runtime VIDIX driver directory

[Ulion]

14 Dec 2007 04:25:37 +0000, Bryan Henderson <bryanh at giraffe-data.com>:
> This patch lets the environment variable MP_VIDIX_PFX override the built-in
> prefix (directory) for VIDIX drivers.  So an MPlayer executable is portable.
>
> --- MPlayer/libvo/vosub_vidix.c 2007-11-25 22:32:26.000000000 +0000
> +++ MPlayer/libvo/vosub_vidix.c 2007-11-26 08:46:49.000000000 +0000
> @@ -706,6 +706,22 @@
>  //  return server_control(request,data); //VO_NOTIMPL;
>  }
>
> +static char *
> +vidix_driver_pfx(void) {
> +
> +    char * path;
> +
> +    path = getenv("MP_VIDIX_PFX");
> +    if (!path) {
> +#ifndef __MINGW32__
> +        path = MP_VIDIX_PFX;
> +#else
> +        path = get_path("vidix/");
> +#endif
> +    }
> +    return path;
> +}
> +
>  int vidix_preinit(const char *drvname,void *server)
>  {
>    int err;
> @@ -716,17 +732,11 @@
>           mp_msg(MSGT_VO,MSGL_ERR, MSGTR_LIBVO_SUB_VIDIX_YouHaveWrongVersionOfVidixLibrary);
>           return -1;
>         }
> -#ifndef __MINGW32__
> -       vidix_handler = vdlOpen(MP_VIDIX_PFX,
> -                               drvname ? drvname[0] == ':' ? &drvname[1] : drvname[0] ? drvname : NULL : NULL,
> -                               TYPE_OUTPUT,
> -                               verbose);
> -#else
> -       vidix_handler = vdlOpen(get_path("vidix/"),
> +
> +       vidix_handler = vdlOpen(vidix_driver_pfx(),
>                                 drvname ? drvname[0] == ':' ? &drvname[1] : drvname[0] ? drvname : NULL : NULL,
>                                 TYPE_OUTPUT,
>                                 verbose);
> -#endif
>
>         if(vidix_handler == NULL)
>         {

Check the implement code of 'vdlOpen' in vidix/vidixlib.c, the path
never get used.

-- 
Ulion