idct: Change type of array stride parameters to ptrdiff_t

ptrdiff_t is the correct type for array strides and similar.

2 files changed, 4 insertions, 3 deletions

diff --git a/libavcodec/ppc/idctdsp.c b/libavcodec/ppc/idctdsp.c
index 690b08beb8..0aaaac0131 100644
--- a/libavcodec/ppc/idctdsp.c
+++ b/libavcodec/ppc/idctdsp.c
@@ -153,7 +153,7 @@ static const vec_s16 constants[5] = {
     { 19266, 26722, 25172, 22654,  19266,  22654, 25172, 26722 }
 };
 
-static void idct_put_altivec(uint8_t *dest, int stride, int16_t *blk)
+static void idct_put_altivec(uint8_t *dest, ptrdiff_t stride, int16_t *blk)
 {
     vec_s16 *block = (vec_s16 *) blk;
     vec_u8 tmp;
@@ -182,7 +182,7 @@ static void idct_put_altivec(uint8_t *dest, int stride, int16_t *blk)
     COPY(dest, vx7);
 }
 
-static void idct_add_altivec(uint8_t *dest, int stride, int16_t *blk)
+static void idct_add_altivec(uint8_t *dest, ptrdiff_t stride, int16_t *blk)
 {
     vec_s16 *block = (vec_s16 *) blk;
     vec_u8 tmp;
diff --git a/libavcodec/ppc/vc1dsp_altivec.c b/libavcodec/ppc/vc1dsp_altivec.c
index 0eec4751df..d252421560 100644
--- a/libavcodec/ppc/vc1dsp_altivec.c
+++ b/libavcodec/ppc/vc1dsp_altivec.c
@@ -229,7 +229,8 @@ static void vc1_inv_trans_8x8_altivec(int16_t block[64])
 
 /** Do inverse transform on 8x4 part of block
 */
-static void vc1_inv_trans_8x4_altivec(uint8_t *dest, int stride, int16_t *block)
+static void vc1_inv_trans_8x4_altivec(uint8_t *dest, ptrdiff_t stride,
+                                      int16_t *block)
 {
     vector signed short src0, src1, src2, src3, src4, src5, src6, src7;
     vector signed int s0, s1, s2, s3, s4, s5, s6, s7;