idct: Change type of array stride parameters to ptrdiff_t

ptrdiff_t is the correct type for array strides and similar.

1 files changed, 6 insertions, 6 deletions

diff --git a/libavcodec/simple_idct.c b/libavcodec/simple_idct.c
index 6ee1320394..9823a6b7e5 100644
--- a/libavcodec/simple_idct.c
+++ b/libavcodec/simple_idct.c
@@ -49,7 +49,7 @@
    and the butterfly must be multiplied by 0.5 * sqrt(2.0) */
 #define C_SHIFT (4+1+12)
 
-static inline void idct4col_put(uint8_t *dest, int line_size, const int16_t *col)
+static inline void idct4col_put(uint8_t *dest, ptrdiff_t line_size, const int16_t *col)
 {
     int c0, c1, c2, c3, a0, a1, a2, a3;
 
@@ -85,7 +85,7 @@ static inline void idct4col_put(uint8_t *dest, int line_size, const int16_t *col
 /* XXX: I think a 1.0/sqrt(2) normalization should be needed to
    compensate the extra butterfly stage - I don't have the full DV
    specification */
-void ff_simple_idct248_put(uint8_t *dest, int line_size, int16_t *block)
+void ff_simple_idct248_put(uint8_t *dest, ptrdiff_t line_size, int16_t *block)
 {
     int i;
     int16_t *ptr;
@@ -128,7 +128,7 @@ void ff_simple_idct248_put(uint8_t *dest, int line_size, int16_t *block)
 #define C2 C_FIX(0.2705980501)
 #define C3 C_FIX(0.5)
 #define C_SHIFT (4+1+12)
-static inline void idct4col_add(uint8_t *dest, int line_size, const int16_t *col)
+static inline void idct4col_add(uint8_t *dest, ptrdiff_t line_size, const int16_t *col)
 {
     int c0, c1, c2, c3, a0, a1, a2, a3;
 
@@ -173,7 +173,7 @@ static inline void idct4row(int16_t *row)
     row[3]= (c0 - c1) >> R_SHIFT;
 }
 
-void ff_simple_idct84_add(uint8_t *dest, int line_size, int16_t *block)
+void ff_simple_idct84_add(uint8_t *dest, ptrdiff_t line_size, int16_t *block)
 {
     int i;
 
@@ -188,7 +188,7 @@ void ff_simple_idct84_add(uint8_t *dest, int line_size, int16_t *block)
     }
 }
 
-void ff_simple_idct48_add(uint8_t *dest, int line_size, int16_t *block)
+void ff_simple_idct48_add(uint8_t *dest, ptrdiff_t line_size, int16_t *block)
 {
     int i;
 
@@ -203,7 +203,7 @@ void ff_simple_idct48_add(uint8_t *dest, int line_size, int16_t *block)
     }
 }
 
-void ff_simple_idct44_add(uint8_t *dest, int line_size, int16_t *block)
+void ff_simple_idct44_add(uint8_t *dest, ptrdiff_t line_size, int16_t *block)
 {
     int i;