pixblockdsp: Change type of stride parameters to ptrdiff_t

This avoids SIMD-optimized functions having to sign-extend their
line size argument manually to be able to do pointer arithmetic.

Also adjust parameter names to be "stride" everywhere.

1 files changed, 2 insertions, 2 deletions

diff --git a/libavcodec/pixblockdsp.h b/libavcodec/pixblockdsp.h
index 8094d14b68..a9d5473665 100644
--- a/libavcodec/pixblockdsp.h
+++ b/libavcodec/pixblockdsp.h
@@ -26,11 +26,11 @@
 typedef struct PixblockDSPContext {
     void (*get_pixels)(int16_t *block /* align 16 */,
                        const uint8_t *pixels /* align 8 */,
-                       int line_size);
+                       ptrdiff_t stride);
     void (*diff_pixels)(int16_t *block /* align 16 */,
                         const uint8_t *s1 /* align 8 */,
                         const uint8_t *s2 /* align 8 */,
-                        int stride);
+                        ptrdiff_t stride);
 } PixblockDSPContext;
 
 void ff_pixblockdsp_init(PixblockDSPContext *c, AVCodecContext *avctx);