Improve some uses of ff_cropTbl with constant offset

Originally committed as revision 23728 to svn://svn.ffmpeg.org/ffmpeg/trunk

1 files changed, 9 insertions, 9 deletions

diff --git a/libavcodec/vp3dsp.c b/libavcodec/vp3dsp.c
index b7cff788ea..94efa3b1d2 100644
--- a/libavcodec/vp3dsp.c
+++ b/libavcodec/vp3dsp.c
@@ -224,18 +224,18 @@ void ff_vp3_idct_add_c(uint8_t *dest/*align 8*/, int line_size, DCTELEM *block/*
 }
 
 void ff_vp3_idct_dc_add_c(uint8_t *dest/*align 8*/, int line_size, const DCTELEM *block/*align 16*/){
-    const uint8_t *cm = ff_cropTbl + MAX_NEG_CROP;
     int i, dc = (block[0] + 15) >> 5;
+    const uint8_t *cm = ff_cropTbl + MAX_NEG_CROP + dc;
 
     for(i = 0; i < 8; i++){
-        dest[0] = cm[dest[0]+dc];
-        dest[1] = cm[dest[1]+dc];
-        dest[2] = cm[dest[2]+dc];
-        dest[3] = cm[dest[3]+dc];
-        dest[4] = cm[dest[4]+dc];
-        dest[5] = cm[dest[5]+dc];
-        dest[6] = cm[dest[6]+dc];
-        dest[7] = cm[dest[7]+dc];
+        dest[0] = cm[dest[0]];
+        dest[1] = cm[dest[1]];
+        dest[2] = cm[dest[2]];
+        dest[3] = cm[dest[3]];
+        dest[4] = cm[dest[4]];
+        dest[5] = cm[dest[5]];
+        dest[6] = cm[dest[6]];
+        dest[7] = cm[dest[7]];
         dest += line_size;
     }
 }