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avcodec/h261: Use ptrdiff_t for stride 

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
This commit is contained in:
Andreas Rheinhardt 2022-10-16 21:53:27 +02:00
parent 10dfbb0502
commit 9e32f2ebfd
1 changed files with 8 additions and 8 deletions
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16
libavcodec/h261.c
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@ -30,9 +30,9 @@
#define IS_FIL(a) ((a) & MB_TYPE_H261_FIL)
static void h261_loop_filter(uint8_t *src, int stride)
static void h261_loop_filter(uint8_t *src, ptrdiff_t stride)
{
int x, y, xy, yz;
int x, y;
int temp[64];
for (x = 0; x < 8; x++) {
@ -41,8 +41,8 @@ static void h261_loop_filter(uint8_t *src, int stride)
}
for (y = 1; y < 7; y++) {
for (x = 0; x < 8; x++) {
xy = y * stride + x;
yz = y * 8 + x;
ptrdiff_t xy = y * stride + x;
ptrdiff_t yz = y * 8 + x;
temp[yz] = src[xy - stride] + 2 * src[xy] + src[xy + stride];
}
}
@ -51,8 +51,8 @@ static void h261_loop_filter(uint8_t *src, int stride)
src[y * stride] = (temp[y * 8] + 2) >> 2;
src[y * stride + 7] = (temp[y * 8 + 7] + 2) >> 2;
for (x = 1; x < 7; x++) {
xy = y * stride + x;
yz = y * 8 + x;
ptrdiff_t xy = y * stride + x;
ptrdiff_t yz = y * 8 + x;
src[xy] = (temp[yz - 1] + 2 * temp[yz] + temp[yz + 1] + 8) >> 4;
}
}
@ -61,8 +61,8 @@ static void h261_loop_filter(uint8_t *src, int stride)
void ff_h261_loop_filter(MpegEncContext *s)
{
H261Context *const h = s->private_ctx;
const int linesize = s->linesize;
const int uvlinesize = s->uvlinesize;
const ptrdiff_t linesize = s->linesize;
const ptrdiff_t uvlinesize = s->uvlinesize;
uint8_t *dest_y = s->dest[0];
uint8_t *dest_cb = s->dest[1];
uint8_t *dest_cr = s->dest[2];