@@ -226,6 +226,20 @@ static av_cold int init(AVFilterContext *ctx)

     return 0;

 }

+static int config_input(AVFilterLink *inlink)

+{

+    DelogoContext *s = inlink->dst->priv;

+

+    /* Check whether the logo area fits in the frame */

+    if (s->x + (s->band - 1) < 0 || s->x + s->w - (s->band*2 - 2) > inlink->w ||

+        s->y + (s->band - 1) < 0 || s->y + s->h - (s->band*2 - 2) > inlink->h) {

+        av_log(s, AV_LOG_ERROR, "Logo area is outside of the frame.\n");

+        return AVERROR(EINVAL);

+    }

+

+    return 0;

+}

+

 static int filter_frame(AVFilterLink *inlink, AVFrame *in)

 {

     DelogoContext *s = inlink->dst->priv;

@@ -284,6 +298,7 @@ static const AVFilterPad avfilter_vf_delogo_inputs[] = {

         .name         = "default",

         .type         = AVMEDIA_TYPE_VIDEO,

         .filter_frame = filter_frame,

+        .config_props = config_input,

     },

     { NULL }

 };