[FFmpeg-cvslog] r11982 - trunk/libavfilter/avfilter.c

[vitor]

Author: vitor
Date: Fri Feb 15 22:36:13 2008
New Revision: 11982

Log:
Adjust the default start_frame() and end_frame() implementations to simplify
the implementation of simple filters.

Commited in SoC by Bobby Bingham on 2007-07-08 16:48:15


Modified:
   trunk/libavfilter/avfilter.c

Modified: trunk/libavfilter/avfilter.c
==============================================================================
--- trunk/libavfilter/avfilter.c	(original)
+++ trunk/libavfilter/avfilter.c	Fri Feb 15 22:36:13 2008
@@ -64,13 +64,28 @@ AVFilterPicRef *avfilter_default_get_vid
 
 void avfilter_default_start_frame(AVFilterLink *link, AVFilterPicRef *picref)
 {
+    AVFilterLink *out = link->dst->outputs[0];
+
     link->cur_pic = picref;
+
+    if(out) {
+        out->outpic  = avfilter_get_video_buffer(out, AV_PERM_WRITE);
+        avfilter_start_frame(out, avfilter_ref_pic(out->outpic, ~0));
+    }
 }
 
 void avfilter_default_end_frame(AVFilterLink *link)
 {
+    AVFilterLink *out = link->dst->outputs[0];
+
     avfilter_unref_pic(link->cur_pic);
     link->cur_pic = NULL;
+
+    if(out) {
+        avfilter_unref_pic(out->outpic);
+        out->outpic = NULL;
+        avfilter_end_frame(out);
+    }
 }
 
 AVFilterPicRef *avfilter_ref_pic(AVFilterPicRef *ref, int pmask)