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-rw-r--r--libavcodec/dsputil.h8
1 files changed, 4 insertions, 4 deletions
diff --git a/libavcodec/dsputil.h b/libavcodec/dsputil.h
index b94c2f910a..6cb5af2cc5 100644
--- a/libavcodec/dsputil.h
+++ b/libavcodec/dsputil.h
@@ -347,10 +347,10 @@ typedef struct DSPContext {
* subtract huffyuv's variant of median prediction
* note, this might read from src1[-1], src2[-1]
*/
- void (*sub_hfyu_median_prediction)(uint8_t *dst, uint8_t *src1, uint8_t *src2, int w, int *left, int *left_top);
- void (*add_hfyu_median_prediction)(uint8_t *dst, uint8_t *top, uint8_t *diff, int w, int *left, int *left_top);
- int (*add_hfyu_left_prediction)(uint8_t *dst, uint8_t *src, int w, int acc);
- void (*add_hfyu_left_prediction_bgr32)(uint8_t *dst, uint8_t *src, int w, int *red, int *green, int *blue);
+ void (*sub_hfyu_median_prediction)(uint8_t *dst, const uint8_t *src1, uint8_t *src2, int w, int *left, int *left_top);
+ void (*add_hfyu_median_prediction)(uint8_t *dst, const uint8_t *top, uint8_t *diff, int w, int *left, int *left_top);
+ int (*add_hfyu_left_prediction)(uint8_t *dst, const uint8_t *src, int w, int acc);
+ void (*add_hfyu_left_prediction_bgr32)(uint8_t *dst, const uint8_t *src, int w, int *red, int *green, int *blue);
/* this might write to dst[w] */
void (*add_png_paeth_prediction)(uint8_t *dst, uint8_t *src, uint8_t *top, int w, int bpp);
void (*bswap_buf)(uint32_t *dst, const uint32_t *src, int w);