vf_gradfun: don't store two pointers to one AVFilterBufferRef.

13 years ago · d19499c796
parent 0fe010a36f
commit d19499c796
1 changed files with 2 additions and 3 deletions
--- a/libavfilter/vf_gradfun.c
+++ b/libavfilter/vf_gradfun.c
@ -191,7 +191,7 @@ static void start_frame(AVFilterLink *inlink, AVFilterBufferRef *inpicref)
        outpicref->video->w = outlink->w;
        outpicref->video->h = outlink->h;
    } else
-        outpicref = inpicref;
+        outpicref = avfilter_ref_buffer(inpicref, ~0);

    outlink->out_buf = outpicref;
    ff_start_frame(outlink, avfilter_ref_buffer(outpicref, ~0));
@ -226,8 +226,7 @@ static void end_frame(AVFilterLink *inlink)
    ff_draw_slice(outlink, 0, inlink->h, 1);
    ff_end_frame(outlink);
    avfilter_unref_buffer(inpic);
-    if (outpic != inpic)
-        avfilter_unref_buffer(outpic);
+    avfilter_unref_buffer(outpic);
 }

 AVFilter avfilter_vf_gradfun = {