vf_aspect: switch to filter_frame

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

libavfilter/vf_aspect.c

@@ -80,13 +80,12 @@ static av_cold int init(AVFilterContext *ctx, const char *args, const AVClass *c
     return 0;
 }
 
-static int start_frame(AVFilterLink *link, AVFilterBufferRef *picref)
+static int filter_frame(AVFilterLink *link, AVFilterBufferRef *frame)
 {
     AspectContext *aspect = link->dst->priv;
 
-    picref->video->sample_aspect_ratio = aspect->ratio;
-    link->cur_buf = NULL;
-    return ff_start_frame(link->dst->outputs[0], picref);
+    frame->video->sample_aspect_ratio = aspect->ratio;
+    return ff_filter_frame(link->dst->outputs[0], frame);
 }
 
 static av_cold void uninit(AVFilterContext *ctx)
@@ -129,8 +128,7 @@ static const AVFilterPad avfilter_vf_setdar_inputs[] = {
         .type             = AVMEDIA_TYPE_VIDEO,
         .config_props     = setdar_config_props,
         .get_video_buffer = ff_null_get_video_buffer,
-        .start_frame      = start_frame,
-        .end_frame        = ff_null_end_frame
+        .filter_frame     = filter_frame,
     },
     { NULL }
 };
@@ -185,8 +183,7 @@ static const AVFilterPad avfilter_vf_setsar_inputs[] = {
         .type             = AVMEDIA_TYPE_VIDEO,
         .config_props     = setsar_config_props,
         .get_video_buffer = ff_null_get_video_buffer,
-        .start_frame      = start_frame,
-        .end_frame        = ff_null_end_frame
+        .filter_frame     = filter_frame,
     },
     { NULL }
 };