@@ -69,7 +69,7 @@ static int query_formats(AVFilterContext *ctx)

 #define ABS(a) (((a) ^ ((a) >> 31)) - ((a) >> 31))

-static int diff_c(const uint8_t *a, const uint8_t *b, int s)

+static int diff_c(const uint8_t *a, const uint8_t *b, ptrdiff_t s)

 {

     int i, j, diff = 0;

@@ -83,7 +83,7 @@ static int diff_c(const uint8_t *a, const uint8_t *b, int s)

     return diff;

 }

-static int comb_c(const uint8_t *a, const uint8_t *b, int s)

+static int comb_c(const uint8_t *a, const uint8_t *b, ptrdiff_t s)

 {

     int i, j, comb = 0;

@@ -98,7 +98,7 @@ static int comb_c(const uint8_t *a, const uint8_t *b, int s)

     return comb;

 }

-static int var_c(const uint8_t *a, const uint8_t *b, int s)

+static int var_c(const uint8_t *a, const uint8_t *b, ptrdiff_t s)

 {

     int i, j, var = 0;

@@ -531,7 +531,7 @@ static void pullup_release_frame(PullupFrame *f)

 static void compute_metric(PullupContext *s, int *dest,

                            PullupField *fa, int pa, PullupField *fb, int pb,

-                           int (*func)(const uint8_t *, const uint8_t *, int))

+                           int (*func)(const uint8_t *, const uint8_t *, ptrdiff_t))

 {

     int mp = s->metric_plane;

     int xstep = 8;

@@ -61,9 +61,9 @@ typedef struct PullupContext {

     PullupBuffer buffers[10];

     PullupFrame frame;

-    int (*diff)(const uint8_t *a, const uint8_t *b, int s);

-    int (*comb)(const uint8_t *a, const uint8_t *b, int s);

-    int (*var )(const uint8_t *a, const uint8_t *b, int s);

+    int (*diff)(const uint8_t *a, const uint8_t *b, ptrdiff_t s);

+    int (*comb)(const uint8_t *a, const uint8_t *b, ptrdiff_t s);

+    int (*var )(const uint8_t *a, const uint8_t *b, ptrdiff_t s);

 } PullupContext;

 void ff_pullup_init_x86(PullupContext *s);

@@ -23,9 +23,9 @@

 #include "libavutil/x86/cpu.h"

 #include "libavfilter/vf_pullup.h"

-int ff_pullup_filter_diff_mmx(const uint8_t *a, const uint8_t *b, int s);

-int ff_pullup_filter_comb_mmx(const uint8_t *a, const uint8_t *b, int s);

-int ff_pullup_filter_var_mmx (const uint8_t *a, const uint8_t *b, int s);

+int ff_pullup_filter_diff_mmx(const uint8_t *a, const uint8_t *b, ptrdiff_t s);

+int ff_pullup_filter_comb_mmx(const uint8_t *a, const uint8_t *b, ptrdiff_t s);

+int ff_pullup_filter_var_mmx (const uint8_t *a, const uint8_t *b, ptrdiff_t s);

 av_cold void ff_pullup_init_x86(PullupContext *s)

 {