[FFmpeg-cvslog] lavfi/pad: use FFSIGN

[Paul B Mahol]

ffmpeg | branch: master | Paul B Mahol <onemda at gmail.com> | Mon Jul  8 15:33:40 2013 +0000| [d2dd1e075cf92442883b1cfe7156cac277b0eaed] | committer: Paul B Mahol

lavfi/pad: use FFSIGN

Signed-off-by: Paul B Mahol <onemda at gmail.com>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=d2dd1e075cf92442883b1cfe7156cac277b0eaed
---

 libavfilter/vf_pad.c |    5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/libavfilter/vf_pad.c b/libavfilter/vf_pad.c
index 8090922..2e9aa56 100644
--- a/libavfilter/vf_pad.c
+++ b/libavfilter/vf_pad.c
@@ -260,7 +260,6 @@ static int buffer_needs_copy(PadContext *s, AVFrame *frame, AVBufferRef *buf)
             (buf->data + buf->size) - end < req_end)
             return 1;
 
-#define SIGN(x) ((x) > 0 ? 1 : -1)
         for (j = 0; j < FF_ARRAY_ELEMS(planes) && planes[j] >= 0; j++) {
             int vsub1 = s->draw.vsub[planes[j]];
             uint8_t *start1 = frame->data[planes[j]];
@@ -269,8 +268,8 @@ static int buffer_needs_copy(PadContext *s, AVFrame *frame, AVBufferRef *buf)
             if (i == j)
                 continue;
 
-            if (SIGN(start - end1) != SIGN(start - end1 - req_start) ||
-                SIGN(end - start1) != SIGN(end - start1 + req_end))
+            if (FFSIGN(start - end1) != FFSIGN(start - end1 - req_start) ||
+                FFSIGN(end - start1) != FFSIGN(end - start1 + req_end))
                 return 1;
         }
     }