The vflip filter does not need to keep ownership of a picture reference. Avoid creating and releasing useless extra picture references in the start_frame and end_frame callbacks.

Originally committed as revision 22596 to svn://svn.ffmpeg.org/ffmpeg/trunk

Bobby Bingham committed 16 years ago

Commit 15ba0151 parent d313e171 file · +5 −5Browse files

Showing the changes to libavfilter (1 of 1 file). Show all

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 static void start_frame(AVFilterLink *link, AVFilterPicRef *picref)
 {
     FlipContext *flip = link->dst->priv;
-    AVFilterPicRef *ref2 = avfilter_ref_pic(picref, ~0);
     int i;
     for (i = 0; i < 4; i ++) {
         int vsub = i == 1 || i == 2 ? flip->vsub : 0;
-        if (ref2->data[i]) {
+        if (picref->data[i]) {
-            ref2->data[i] += ((link->h >> vsub)-1) * ref2->linesize[i];
+            picref->data[i] += ((link->h >> vsub)-1) * picref->linesize[i];
-            ref2->linesize[i] = -ref2->linesize[i];
+            picref->linesize[i] = -picref->linesize[i];
         }
     }
-    avfilter_start_frame(link->dst->outputs[0], ref2);
+    avfilter_start_frame(link->dst->outputs[0], picref);
 }
 static void draw_slice(AVFilterLink *link, int y, int h, int slice_dir)
                                     .get_video_buffer = get_video_buffer,
                                     .start_frame      = start_frame,
                                     .draw_slice       = draw_slice,
+                                    .end_frame        = avfilter_null_end_frame,
                                     .config_props     = config_input, },
                                   { .name = NULL}},
     .outputs   = (AVFilterPad[]) {{ .name             = "default",

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