From cc8104b9086d2951a8c47601117275fadc70bc02 Mon Sep 17 00:00:00 2001
From: Nicolas George <nicolas.george@normalesup.org>
Date: Tue, 14 Aug 2012 18:52:43 +0200
Subject: [PATCH] lavfi: fix erroneous use of AV_PERM_PRESERVE in
 ff_inplace_start_frame.

ff_inplace_start_frame looks useless anyway.
---
 libavfilter/video.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libavfilter/video.c b/libavfilter/video.c
index 5a3bbb9ae6..86332bcfe2 100644
--- a/libavfilter/video.c
+++ b/libavfilter/video.c
@@ -173,7 +173,7 @@ int ff_inplace_start_frame(AVFilterLink *inlink, AVFilterBufferRef *inpicref)
     AVFilterBufferRef *outpicref = NULL, *for_next_filter;
     int ret = 0;
 
-    if ((inpicref->perms & AV_PERM_WRITE) && !(inpicref->perms & AV_PERM_PRESERVE)) {
+    if (inpicref->perms & AV_PERM_WRITE) {
         outpicref = avfilter_ref_buffer(inpicref, ~0);
         if (!outpicref)
             return AVERROR(ENOMEM);