@@ -178,16 +178,7 @@ static void push_frame(AVFilterContext *ctx, unsigned in_no,

         in->pts = av_rescale(in->pts, in->nb_frames, in->nb_frames - 1);

     buf->pts += cat->delta_ts;

-    switch (buf->type) {

-    case AVMEDIA_TYPE_VIDEO:

-        ff_start_frame(outlink, buf);

-        ff_draw_slice(outlink, 0, outlink->h, 1);

-        ff_end_frame(outlink);

-        break;

-    case AVMEDIA_TYPE_AUDIO:

-        ff_filter_frame(outlink, buf);

-        break;

-    }

+    ff_filter_frame(outlink, buf);

 }

 static void process_frame(AVFilterLink *inlink, AVFilterBufferRef *buf)

@@ -227,23 +218,6 @@ static AVFilterBufferRef *get_audio_buffer(AVFilterLink *inlink, int perms,

     return ff_get_audio_buffer(outlink, perms, nb_samples);

 }

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

-{

-    return 0;

-}

-

-static int draw_slice(AVFilterLink *inlink, int y, int h, int dir)

-{

-    return 0;

-}

-

-static int end_frame(AVFilterLink *inlink)

-{

-    process_frame(inlink, inlink->cur_buf);

-    inlink->cur_buf = NULL;

-    return 0;

-}

-

 static int filter_frame(AVFilterLink *inlink, AVFilterBufferRef *buf)

 {

     process_frame(inlink, buf);

@@ -389,16 +363,10 @@ static av_cold int init(AVFilterContext *ctx, const char *args)

                     .min_perms        = AV_PERM_READ | AV_PERM_PRESERVE,

                     .get_video_buffer = get_video_buffer,

                     .get_audio_buffer = get_audio_buffer,

+                    .filter_frame     = filter_frame,

                 };

                 snprintf(name, sizeof(name), "in%d:%c%d", seg, "va"[type], str);

                 pad.name = av_strdup(name);

-                if (type == AVMEDIA_TYPE_VIDEO) {

-                    pad.start_frame = start_frame;

-                    pad.draw_slice  = draw_slice;

-                    pad.end_frame   = end_frame;

-                } else {

-                    pad.filter_frame   = filter_frame;

-                }

                 ff_insert_inpad(ctx, ctx->nb_inputs, &pad);

             }

         }