[FFmpeg-cvslog] vf_unsharp: Mark readonly variable as const.

[Diego Biurrun]

ffmpeg | branch: master | Diego Biurrun <diego at biurrun.de> | Wed Apr  4 10:08:37 2012 +0200| [1f068e4450620f4f6e20f024e442e3fd47876e37] | committer: Diego Biurrun

vf_unsharp: Mark readonly variable as const.

This fixes the following warning:
libavfilter/vf_unsharp.c:106: warning: initialization discards qualifiers from pointer target type

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=1f068e4450620f4f6e20f024e442e3fd47876e37
---

 libavfilter/vf_unsharp.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/libavfilter/vf_unsharp.c b/libavfilter/vf_unsharp.c
index a40df13..7aca2cf 100644
--- a/libavfilter/vf_unsharp.c
+++ b/libavfilter/vf_unsharp.c
@@ -103,8 +103,8 @@ static void apply_unsharp(      uint8_t *dst, int dst_stride,
                 tmp1 = sc[z + 1][x + fp->steps_x] + tmp2; sc[z + 1][x + fp->steps_x] = tmp2;
             }
             if (x >= fp->steps_x && y >= fp->steps_y) {
-                uint8_t* srx = src - fp->steps_y * src_stride + x - fp->steps_x;
-                uint8_t* dsx = dst - fp->steps_y * dst_stride + x - fp->steps_x;
+                const uint8_t *srx = src - fp->steps_y * src_stride + x - fp->steps_x;
+                uint8_t *dsx       = dst - fp->steps_y * dst_stride + x - fp->steps_x;
 
                 res = (int32_t)*srx + ((((int32_t) * srx - (int32_t)((tmp1 + fp->halfscale) >> fp->scalebits)) * fp->amount) >> 16);
                 *dsx = av_clip_uint8(res);