[FFmpeg-cvslog] r25202 - trunk/libavfilter/vf_yadif.c

bcoudurier subversion
Sun Sep 26 02:56:27 CEST 2010


Author: bcoudurier
Date: Sun Sep 26 02:56:26 2010
New Revision: 25202

Log:
In yadif filter, use current frame when previous is missing,
better results for the first frame

Modified:
   trunk/libavfilter/vf_yadif.c

Modified: trunk/libavfilter/vf_yadif.c
==============================================================================
--- trunk/libavfilter/vf_yadif.c	Sun Sep 26 01:27:16 2010	(r25201)
+++ trunk/libavfilter/vf_yadif.c	Sun Sep 26 02:56:26 2010	(r25202)
@@ -197,13 +197,12 @@ static void start_frame(AVFilterLink *li
     yadif->cur  = yadif->next;
     yadif->next = picref;
 
-    if (!yadif->prev)
-        yadif->prev = avfilter_get_video_buffer(link, AV_PERM_WRITE | AV_PERM_PRESERVE |
-                                                AV_PERM_REUSE, link->w, link->h);
-
     if(!yadif->cur)
         return;
 
+    if (!yadif->prev)
+        yadif->prev = avfilter_ref_buffer(yadif->cur, AV_PERM_READ);
+
     yadif->out = avfilter_get_video_buffer(ctx->outputs[0], AV_PERM_WRITE | AV_PERM_PRESERVE |
                                        AV_PERM_REUSE, link->w, link->h);
 



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