@@ -24,6 +24,7 @@

  */

 #include "avfilter.h"

+#include "internal.h"

 #include "video.h"

 enum SetFieldMode {

@@ -69,18 +70,17 @@ static av_cold int init(AVFilterContext *ctx, const char *args)

     return 0;

 }

-static int start_frame(AVFilterLink *inlink, AVFilterBufferRef *inpicref)

+static int filter_frame(AVFilterLink *inlink, AVFilterBufferRef *picref)

 {

     SetFieldContext *setfield = inlink->dst->priv;

-    AVFilterBufferRef *outpicref = avfilter_ref_buffer(inpicref, ~0);

     if (setfield->mode == MODE_PROG) {

-        outpicref->video->interlaced = 0;

+        picref->video->interlaced = 0;

     } else if (setfield->mode != MODE_AUTO) {

-        outpicref->video->interlaced = 1;

-        outpicref->video->top_field_first = setfield->mode;

+        picref->video->interlaced = 1;

+        picref->video->top_field_first = setfield->mode;

     }

-    return ff_start_frame(inlink->dst->outputs[0], outpicref);

+    return ff_filter_frame(inlink->dst->outputs[0], picref);

 }

 static const AVFilterPad setfield_inputs[] = {

@@ -88,7 +88,7 @@ static const AVFilterPad setfield_inputs[] = {

         .name             = "default",

         .type             = AVMEDIA_TYPE_VIDEO,

         .get_video_buffer = ff_null_get_video_buffer,

-        .start_frame      = start_frame,

+        .filter_frame     = filter_frame,

     },

     { NULL }

 };