[FFmpeg-cvslog] lavfi/gradfun: remove check for AV_PERM_PRESERVE.

[Clément Bœsch]

ffmpeg | branch: master | Clément Bœsch <ubitux at gmail.com> | Mon Dec  3 20:38:27 2012 +0100| [d91388367fa64b98a09b45e2b7fb8435a62b7609] | committer: Clément Bœsch

lavfi/gradfun: remove check for AV_PERM_PRESERVE.

This check does not make sense in this context, see
doc/filter_design.txt for details about the usage of such flag.

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=d91388367fa64b98a09b45e2b7fb8435a62b7609
---

 libavfilter/vf_gradfun.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libavfilter/vf_gradfun.c b/libavfilter/vf_gradfun.c
index 260a44b..32d8796 100644
--- a/libavfilter/vf_gradfun.c
+++ b/libavfilter/vf_gradfun.c
@@ -189,7 +189,7 @@ static int filter_frame(AVFilterLink *inlink, AVFilterBufferRef *in)
     AVFilterBufferRef *out;
     int p, direct = 0;
 
-    if ((in->perms & AV_PERM_WRITE) && !(in->perms & AV_PERM_PRESERVE)) {
+    if (in->perms & AV_PERM_WRITE) {
         direct = 1;
         out = in;
     } else {