better results for the first frame
Originally committed as revision 25202 to svn://svn.ffmpeg.org/ffmpeg/trunk
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);