@@ -36,6 +36,7 @@ typedef struct {

      *  -1 = keep original aspect

      */

     int w, h;

+    unsigned int flags;         ///sws flags

     int hsub, vsub;             ///< chroma subsampling

     int slice_y;                ///< top of current output slice

@@ -46,8 +47,11 @@ static av_cold int init(AVFilterContext *ctx, const char *args, void *opaque)

 {

     ScaleContext *scale = ctx->priv;

-    if (args)

+    scale->flags = SWS_BILINEAR;

+    if (args){

         sscanf(args, "%d:%d", &scale->w, &scale->h);

+        sscanf(strstr(args,"flags="), "flags=%i", &scale->flags);

+    }

     /* sanity check params */

     if (scale->w <  -1 || scale->h <  -1) {

@@ -124,7 +128,7 @@ static int config_props(AVFilterLink *outlink)

     /* TODO: make algorithm configurable */

     scale->sws = sws_getContext(inlink ->w, inlink ->h, inlink ->format,

                                 outlink->w, outlink->h, outlink->format,

-                                SWS_BILINEAR, NULL, NULL, NULL);

+                                scale->flags, NULL, NULL, NULL);

     av_log(ctx, AV_LOG_INFO, "w:%d h:%d fmt:%s\n",

            outlink->w, outlink->h, av_pix_fmt_descriptors[outlink->format].name);