Add const to some pointer parameters.

Patch by Eli Friedman,  eli D friedman A gmail

Originally committed as revision 23826 to svn://svn.ffmpeg.org/ffmpeg/trunk

1 files changed, 2 insertions, 2 deletions

diff --git a/libavcodec/dsputil.h b/libavcodec/dsputil.h
index d943b84929..d67483679c 100644
--- a/libavcodec/dsputil.h
+++ b/libavcodec/dsputil.h
@@ -544,14 +544,14 @@ typedef struct DSPContext {
      * @param len length of vectors, should be multiple of 16
      * @param shift number of bits to discard from product
      */
-    int32_t (*scalarproduct_int16)(int16_t *v1, int16_t *v2/*align 16*/, int len, int shift);
+    int32_t (*scalarproduct_int16)(const int16_t *v1, const int16_t *v2/*align 16*/, int len, int shift);
     /* ape functions */
     /**
      * Calculate scalar product of v1 and v2,
      * and v1[i] += v3[i] * mul
      * @param len length of vectors, should be multiple of 16
      */
-    int32_t (*scalarproduct_and_madd_int16)(int16_t *v1/*align 16*/, int16_t *v2, int16_t *v3, int len, int mul);
+    int32_t (*scalarproduct_and_madd_int16)(int16_t *v1/*align 16*/, const int16_t *v2, const int16_t *v3, int len, int mul);
 
     /* rv30 functions */
     qpel_mc_func put_rv30_tpel_pixels_tab[4][16];