[FFmpeg-devel] [PATCH 5/9] avcodec/h261: Use ptrdiff_t for stride
Andreas Rheinhardt
andreas.rheinhardt at outlook.com
Sun Oct 16 23:46:51 EEST 2022
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt at outlook.com>
---
libavcodec/h261.c | 16 ++++++++--------
1 file changed, 8 insertions(+), 8 deletions(-)
diff --git a/libavcodec/h261.c b/libavcodec/h261.c
index 7dfaee7dc4..8e0e13459a 100644
--- a/libavcodec/h261.c
+++ b/libavcodec/h261.c
@@ -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];
--
2.34.1
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