avcodec/hevcdsp: Constify src pointers

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>

6 files changed, 119 insertions, 126 deletions

diff --git a/libavcodec/x86/hevc_add_res.asm b/libavcodec/x86/hevc_add_res.asm
index c6c40078a0..3ecbd4269c 100644
--- a/libavcodec/x86/hevc_add_res.asm
+++ b/libavcodec/x86/hevc_add_res.asm
@@ -47,7 +47,7 @@ cextern pw_1023
 
 
 INIT_MMX mmxext
-; void ff_hevc_add_residual_4_8_mmxext(uint8_t *dst, int16_t *res, ptrdiff_t stride)
+; void ff_hevc_add_residual_4_8_mmxext(uint8_t *dst, const int16_t *res, ptrdiff_t stride)
 cglobal hevc_add_residual_4_8, 3, 3, 6
     pxor              m4, m4
     ADD_RES_MMX_4_8
@@ -118,7 +118,7 @@ cglobal hevc_add_residual_4_8, 3, 3, 6
 
 
 %macro TRANSFORM_ADD_8 0
-; void ff_hevc_add_residual_8_8_<opt>(uint8_t *dst, int16_t *res, ptrdiff_t stride)
+; void ff_hevc_add_residual_8_8_<opt>(uint8_t *dst, const int16_t *res, ptrdiff_t stride)
 cglobal hevc_add_residual_8_8, 3, 4, 8
     pxor              m4, m4
     lea               r3, [r2*3]
@@ -128,7 +128,7 @@ cglobal hevc_add_residual_8_8, 3, 4, 8
     ADD_RES_SSE_8_8
     RET
 
-; void ff_hevc_add_residual_16_8_<opt>(uint8_t *dst, int16_t *res, ptrdiff_t stride)
+; void ff_hevc_add_residual_16_8_<opt>(uint8_t *dst, const int16_t *res, ptrdiff_t stride)
 cglobal hevc_add_residual_16_8, 3, 5, 7
     pxor                m0, m0
     lea                 r3, [r2*3]
@@ -142,7 +142,7 @@ cglobal hevc_add_residual_16_8, 3, 5, 7
     jg .loop
     RET
 
-; void ff_hevc_add_residual_32_8_<opt>(uint8_t *dst, int16_t *res, ptrdiff_t stride)
+; void ff_hevc_add_residual_32_8_<opt>(uint8_t *dst, const int16_t *res, ptrdiff_t stride)
 cglobal hevc_add_residual_32_8, 3, 5, 7
     pxor                m0, m0
     mov                r4d, 16
@@ -163,7 +163,7 @@ TRANSFORM_ADD_8
 
 %if HAVE_AVX2_EXTERNAL
 INIT_YMM avx2
-; void ff_hevc_add_residual_32_8_avx2(uint8_t *dst, int16_t *res, ptrdiff_t stride)
+; void ff_hevc_add_residual_32_8_avx2(uint8_t *dst, const int16_t *res, ptrdiff_t stride)
 cglobal hevc_add_residual_32_8, 3, 5, 7
     pxor                 m0, m0
     lea                  r3, [r2*3]
@@ -289,7 +289,7 @@ cglobal hevc_add_residual_32_8, 3, 5, 7
     mova      [%1+%2+32], m3
 %endmacro
 
-; void ff_hevc_add_residual_<4|8|16|32>_10(pixel *dst, int16_t *block, ptrdiff_t stride)
+; void ff_hevc_add_residual_<4|8|16|32>_10(pixel *dst, const int16_t *block, ptrdiff_t stride)
 INIT_MMX mmxext
 cglobal hevc_add_residual_4_10, 3, 3, 6
     pxor              m2, m2
diff --git a/libavcodec/x86/hevc_mc.asm b/libavcodec/x86/hevc_mc.asm
index e159adccc7..eb267453fe 100644
--- a/libavcodec/x86/hevc_mc.asm
+++ b/libavcodec/x86/hevc_mc.asm
@@ -711,7 +711,7 @@ SECTION .text
 
 ; ******************************
 ; void put_hevc_mc_pixels(int16_t *dst, ptrdiff_t dststride,
-;                         uint8_t *_src, ptrdiff_t _srcstride,
+;                         const uint8_t *_src, ptrdiff_t _srcstride,
 ;                         int height, int mx, int my)
 ; ******************************
 
@@ -765,7 +765,7 @@ cglobal hevc_put_hevc_bi_pel_pixels%1_%2, 6, 6, 6, dst, dststride, src, srcstrid
 
 ; ******************************
 ; void put_hevc_epel_hX(int16_t *dst, ptrdiff_t dststride,
-;                       uint8_t *_src, ptrdiff_t _srcstride,
+;                       const uint8_t *_src, ptrdiff_t _srcstride,
 ;                       int height, int mx, int my, int width);
 ; ******************************
 
@@ -820,7 +820,7 @@ cglobal hevc_put_hevc_bi_epel_h%1_%2, 7, 8, XMM_REGS, dst, dststride, src, srcst
 
 ; ******************************
 ; void put_hevc_epel_v(int16_t *dst, ptrdiff_t dststride,
-;                      uint8_t *_src, ptrdiff_t _srcstride,
+;                      const uint8_t *_src, ptrdiff_t _srcstride,
 ;                      int height, int mx, int my, int width)
 ; ******************************
 
@@ -877,7 +877,7 @@ cglobal hevc_put_hevc_bi_epel_v%1_%2, 6, 8, XMM_REGS, dst, dststride, src, srcst
 
 ; ******************************
 ; void put_hevc_epel_hv(int16_t *dst, ptrdiff_t dststride,
-;                       uint8_t *_src, ptrdiff_t _srcstride,
+;                       const uint8_t *_src, ptrdiff_t _srcstride,
 ;                       int height, int mx, int my, int width)
 ; ******************************
 
@@ -1088,7 +1088,7 @@ cglobal hevc_put_hevc_bi_epel_hv%1_%2, 8, 9, 16, dst, dststride, src, srcstride,
 
 ; ******************************
 ; void put_hevc_qpel_hX_X_X(int16_t *dst, ptrdiff_t dststride,
-;                       uint8_t *_src, ptrdiff_t _srcstride,
+;                           const uint8_t *_src, ptrdiff_t _srcstride,
 ;                       int height, int mx, int my, int width)
 ; ******************************
 
@@ -1144,7 +1144,7 @@ cglobal hevc_put_hevc_bi_qpel_h%1_%2, 7, 8, 16 , dst, dststride, src, srcstride,
 
 ; ******************************
 ; void put_hevc_qpel_vX_X_X(int16_t *dst, ptrdiff_t dststride,
-;                       uint8_t *_src, ptrdiff_t _srcstride,
+;                           const uint8_t *_src, ptrdiff_t _srcstride,
 ;                       int height, int mx, int my, int width)
 ; ******************************
 
@@ -1206,7 +1206,7 @@ cglobal hevc_put_hevc_bi_qpel_v%1_%2, 6, 10, 16, dst, dststride, src, srcstride,
 
 ; ******************************
 ; void put_hevc_qpel_hvX_X(int16_t *dst, ptrdiff_t dststride,
-;                       uint8_t *_src, ptrdiff_t _srcstride,
+;                          const uint8_t *_src, ptrdiff_t _srcstride,
 ;                       int height, int mx, int my)
 ; ******************************
 %macro HEVC_PUT_HEVC_QPEL_HV 2
diff --git a/libavcodec/x86/hevc_sao.asm b/libavcodec/x86/hevc_sao.asm
index 756adfee57..2eb8924da8 100644
--- a/libavcodec/x86/hevc_sao.asm
+++ b/libavcodec/x86/hevc_sao.asm
@@ -119,7 +119,7 @@ DEFINE_ARGS dst, src, dststride, srcstride, offset, height
 %endif ; ARCH
 %endmacro
 
-;void ff_hevc_sao_band_filter_<width>_8_<opt>(uint8_t *_dst, uint8_t *_src, ptrdiff_t _stride_dst, ptrdiff_t _stride_src,
+;void ff_hevc_sao_band_filter_<width>_8_<opt>(uint8_t *_dst, const uint8_t *_src, ptrdiff_t _stride_dst, ptrdiff_t _stride_src,
 ;                                             int16_t *sao_offset_val, int sao_left_class, int width, int height);
 %macro HEVC_SAO_BAND_FILTER 2
 cglobal hevc_sao_band_filter_%1_8, 6, 6, 15, 7*mmsize*ARCH_X86_32, dst, src, dststride, srcstride, offset, left
diff --git a/libavcodec/x86/hevc_sao_10bit.asm b/libavcodec/x86/hevc_sao_10bit.asm
index b30583dd2f..38005740e5 100644
--- a/libavcodec/x86/hevc_sao_10bit.asm
+++ b/libavcodec/x86/hevc_sao_10bit.asm
@@ -92,7 +92,7 @@ DEFINE_ARGS dst, src, dststride, srcstride, offset, height
     mov          heightd, r7m
 %endmacro
 
-;void ff_hevc_sao_band_filter_<width>_<depth>_<opt>(uint8_t *_dst, uint8_t *_src, ptrdiff_t _stride_dst, ptrdiff_t _stride_src,
+;void ff_hevc_sao_band_filter_<width>_<depth>_<opt>(uint8_t *_dst, const uint8_t *_src, ptrdiff_t _stride_dst, ptrdiff_t _stride_src,
 ;                                                   int16_t *sao_offset_val, int sao_left_class, int width, int height);
 %macro HEVC_SAO_BAND_FILTER 3
 cglobal hevc_sao_band_filter_%2_%1, 6, 6, 15, 7*mmsize*ARCH_X86_32, dst, src, dststride, srcstride, offset, left
diff --git a/libavcodec/x86/hevcdsp.h b/libavcodec/x86/hevcdsp.h
index 24e35bc032..037519fad4 100644
--- a/libavcodec/x86/hevcdsp.h
+++ b/libavcodec/x86/hevcdsp.h
@@ -38,11 +38,11 @@ dst ## _bi_w[idx1][idx2][idx3] = ff_hevc_put_hevc_bi_w_ ## name ## _ ## D ## _##
 
 
 #define PEL_PROTOTYPE(name, D, opt) \
-void ff_hevc_put_hevc_ ## name ## _ ## D ## _##opt(int16_t *dst, uint8_t *_src, ptrdiff_t _srcstride, int height, intptr_t mx, intptr_t my,int width); \
-void ff_hevc_put_hevc_bi_ ## name ## _ ## D ## _##opt(uint8_t *_dst, ptrdiff_t _dststride, uint8_t *_src, ptrdiff_t _srcstride, int16_t *src2, int height, intptr_t mx, intptr_t my, int width); \
-void ff_hevc_put_hevc_uni_ ## name ## _ ## D ## _##opt(uint8_t *_dst, ptrdiff_t _dststride, uint8_t *_src, ptrdiff_t _srcstride, int height, intptr_t mx, intptr_t my, int width); \
-void ff_hevc_put_hevc_uni_w_ ## name ## _ ## D ## _##opt(uint8_t *_dst, ptrdiff_t _dststride, uint8_t *_src, ptrdiff_t _srcstride, int height, int denom, int wx, int ox, intptr_t mx, intptr_t my, int width); \
-void ff_hevc_put_hevc_bi_w_ ## name ## _ ## D ## _##opt(uint8_t *_dst, ptrdiff_t _dststride, uint8_t *_src, ptrdiff_t _srcstride, int16_t *src2, int height, int denom, int wx0, int wx1, int ox0, int ox1, intptr_t mx, intptr_t my, int width)
+void ff_hevc_put_hevc_ ## name ## _ ## D ## _##opt(int16_t *dst, const uint8_t *_src, ptrdiff_t _srcstride, int height, intptr_t mx, intptr_t my,int width); \
+void ff_hevc_put_hevc_bi_ ## name ## _ ## D ## _##opt(uint8_t *_dst, ptrdiff_t _dststride, const uint8_t *_src, ptrdiff_t _srcstride, const int16_t *src2, int height, intptr_t mx, intptr_t my, int width); \
+void ff_hevc_put_hevc_uni_ ## name ## _ ## D ## _##opt(uint8_t *_dst, ptrdiff_t _dststride, const uint8_t *_src, ptrdiff_t _srcstride, int height, intptr_t mx, intptr_t my, int width); \
+void ff_hevc_put_hevc_uni_w_ ## name ## _ ## D ## _##opt(uint8_t *_dst, ptrdiff_t _dststride, const uint8_t *_src, ptrdiff_t _srcstride, int height, int denom, int wx, int ox, intptr_t mx, intptr_t my, int width); \
+void ff_hevc_put_hevc_bi_w_ ## name ## _ ## D ## _##opt(uint8_t *_dst, ptrdiff_t _dststride, const uint8_t *_src, ptrdiff_t _srcstride, const int16_t *src2, int height, int denom, int wx0, int wx1, int ox0, int ox1, intptr_t mx, intptr_t my, int width)
 
 
 ///////////////////////////////////////////////////////////////////////////////
@@ -71,8 +71,8 @@ void ff_hevc_put_hevc_bi_w_ ## name ## _ ## D ## _##opt(uint8_t *_dst, ptrdiff_t
         PEL_PROTOTYPE(fname##64, bitd, opt)
 
 #define WEIGHTING_PROTOTYPE(width, bitd, opt) \
-void ff_hevc_put_hevc_uni_w##width##_##bitd##_##opt(uint8_t *dst, ptrdiff_t dststride, int16_t *_src, int height, int denom,  int _wx, int _ox); \
-void ff_hevc_put_hevc_bi_w##width##_##bitd##_##opt(uint8_t *dst, ptrdiff_t dststride, int16_t *_src, int16_t *_src2, int height, int denom,  int _wx0,  int _wx1, int _ox0, int _ox1)
+void ff_hevc_put_hevc_uni_w##width##_##bitd##_##opt(uint8_t *dst, ptrdiff_t dststride, const int16_t *_src, int height, int denom,  int _wx, int _ox); \
+void ff_hevc_put_hevc_bi_w##width##_##bitd##_##opt(uint8_t *dst, ptrdiff_t dststride, const int16_t *_src, const int16_t *_src2, int height, int denom,  int _wx0,  int _wx1, int _ox0, int _ox1)
 
 #define WEIGHTING_PROTOTYPES(bitd, opt) \
         WEIGHTING_PROTOTYPE(2, bitd, opt); \
@@ -94,38 +94,38 @@ EPEL_PROTOTYPES(pel_pixels ,  8, sse4);
 EPEL_PROTOTYPES(pel_pixels , 10, sse4);
 EPEL_PROTOTYPES(pel_pixels , 12, sse4);
 
-void ff_hevc_put_hevc_pel_pixels16_8_avx2(int16_t *dst, uint8_t *_src, ptrdiff_t _srcstride, int height, intptr_t mx, intptr_t my,int width);
-void ff_hevc_put_hevc_pel_pixels24_8_avx2(int16_t *dst, uint8_t *_src, ptrdiff_t _srcstride, int height, intptr_t mx, intptr_t my,int width);
-void ff_hevc_put_hevc_pel_pixels32_8_avx2(int16_t *dst, uint8_t *_src, ptrdiff_t _srcstride, int height, intptr_t mx, intptr_t my,int width);
-void ff_hevc_put_hevc_pel_pixels48_8_avx2(int16_t *dst, uint8_t *_src, ptrdiff_t _srcstride, int height, intptr_t mx, intptr_t my,int width);
-void ff_hevc_put_hevc_pel_pixels64_8_avx2(int16_t *dst, uint8_t *_src, ptrdiff_t _srcstride, int height, intptr_t mx, intptr_t my,int width);
+void ff_hevc_put_hevc_pel_pixels16_8_avx2(int16_t *dst, const uint8_t *_src, ptrdiff_t _srcstride, int height, intptr_t mx, intptr_t my,int width);
+void ff_hevc_put_hevc_pel_pixels24_8_avx2(int16_t *dst, const uint8_t *_src, ptrdiff_t _srcstride, int height, intptr_t mx, intptr_t my,int width);
+void ff_hevc_put_hevc_pel_pixels32_8_avx2(int16_t *dst, const uint8_t *_src, ptrdiff_t _srcstride, int height, intptr_t mx, intptr_t my,int width);
+void ff_hevc_put_hevc_pel_pixels48_8_avx2(int16_t *dst, const uint8_t *_src, ptrdiff_t _srcstride, int height, intptr_t mx, intptr_t my,int width);
+void ff_hevc_put_hevc_pel_pixels64_8_avx2(int16_t *dst, const uint8_t *_src, ptrdiff_t _srcstride, int height, intptr_t mx, intptr_t my,int width);
 
-void ff_hevc_put_hevc_pel_pixels16_10_avx2(int16_t *dst, uint8_t *_src, ptrdiff_t _srcstride, int height, intptr_t mx, intptr_t my,int width);
-void ff_hevc_put_hevc_pel_pixels24_10_avx2(int16_t *dst, uint8_t *_src, ptrdiff_t _srcstride, int height, intptr_t mx, intptr_t my,int width);
-void ff_hevc_put_hevc_pel_pixels32_10_avx2(int16_t *dst, uint8_t *_src, ptrdiff_t _srcstride, int height, intptr_t mx, intptr_t my,int width);
-void ff_hevc_put_hevc_pel_pixels48_10_avx2(int16_t *dst, uint8_t *_src, ptrdiff_t _srcstride, int height, intptr_t mx, intptr_t my,int width);
-void ff_hevc_put_hevc_pel_pixels64_10_avx2(int16_t *dst, uint8_t *_src, ptrdiff_t _srcstride, int height, intptr_t mx, intptr_t my,int width);
+void ff_hevc_put_hevc_pel_pixels16_10_avx2(int16_t *dst, const uint8_t *_src, ptrdiff_t _srcstride, int height, intptr_t mx, intptr_t my,int width);
+void ff_hevc_put_hevc_pel_pixels24_10_avx2(int16_t *dst, const uint8_t *_src, ptrdiff_t _srcstride, int height, intptr_t mx, intptr_t my,int width);
+void ff_hevc_put_hevc_pel_pixels32_10_avx2(int16_t *dst, const uint8_t *_src, ptrdiff_t _srcstride, int height, intptr_t mx, intptr_t my,int width);
+void ff_hevc_put_hevc_pel_pixels48_10_avx2(int16_t *dst, const uint8_t *_src, ptrdiff_t _srcstride, int height, intptr_t mx, intptr_t my,int width);
+void ff_hevc_put_hevc_pel_pixels64_10_avx2(int16_t *dst, const uint8_t *_src, ptrdiff_t _srcstride, int height, intptr_t mx, intptr_t my,int width);
 
 
 
-void ff_hevc_put_hevc_uni_pel_pixels32_8_avx2(uint8_t *dst, ptrdiff_t dststride,uint8_t *_src, ptrdiff_t _srcstride, int height, intptr_t mx, intptr_t my,int width);
-void ff_hevc_put_hevc_uni_pel_pixels48_8_avx2(uint8_t *dst, ptrdiff_t dststride,uint8_t *_src, ptrdiff_t _srcstride, int height, intptr_t mx, intptr_t my,int width);
-void ff_hevc_put_hevc_uni_pel_pixels64_8_avx2(uint8_t *dst, ptrdiff_t dststride,uint8_t *_src, ptrdiff_t _srcstride, int height, intptr_t mx, intptr_t my,int width);
-void ff_hevc_put_hevc_uni_pel_pixels96_8_avx2(uint8_t *dst, ptrdiff_t dststride,uint8_t *_src, ptrdiff_t _srcstride, int height, intptr_t mx, intptr_t my,int width); //used for 10bit
-void ff_hevc_put_hevc_uni_pel_pixels128_8_avx2(uint8_t *dst, ptrdiff_t dststride,uint8_t *_src, ptrdiff_t _srcstride, int height, intptr_t mx, intptr_t my,int width);//used for 10bit
+void ff_hevc_put_hevc_uni_pel_pixels32_8_avx2(uint8_t *dst, ptrdiff_t dststride,const uint8_t *_src, ptrdiff_t _srcstride, int height, intptr_t mx, intptr_t my,int width);
+void ff_hevc_put_hevc_uni_pel_pixels48_8_avx2(uint8_t *dst, ptrdiff_t dststride,const uint8_t *_src, ptrdiff_t _srcstride, int height, intptr_t mx, intptr_t my,int width);
+void ff_hevc_put_hevc_uni_pel_pixels64_8_avx2(uint8_t *dst, ptrdiff_t dststride,const uint8_t *_src, ptrdiff_t _srcstride, int height, intptr_t mx, intptr_t my,int width);
+void ff_hevc_put_hevc_uni_pel_pixels96_8_avx2(uint8_t *dst, ptrdiff_t dststride,const uint8_t *_src, ptrdiff_t _srcstride, int height, intptr_t mx, intptr_t my,int width); //used for 10bit
+void ff_hevc_put_hevc_uni_pel_pixels128_8_avx2(uint8_t *dst, ptrdiff_t dststride,const uint8_t *_src, ptrdiff_t _srcstride, int height, intptr_t mx, intptr_t my,int width);//used for 10bit
 
 
-void ff_hevc_put_hevc_bi_pel_pixels16_8_avx2(uint8_t *_dst, ptrdiff_t _dststride, uint8_t *_src, ptrdiff_t _srcstride, int16_t *src2, int height, intptr_t mx, intptr_t my, int width);
-void ff_hevc_put_hevc_bi_pel_pixels24_8_avx2(uint8_t *_dst, ptrdiff_t _dststride, uint8_t *_src, ptrdiff_t _srcstride, int16_t *src2, int height, intptr_t mx, intptr_t my, int width);
-void ff_hevc_put_hevc_bi_pel_pixels32_8_avx2(uint8_t *_dst, ptrdiff_t _dststride, uint8_t *_src, ptrdiff_t _srcstride, int16_t *src2, int height, intptr_t mx, intptr_t my, int width);
-void ff_hevc_put_hevc_bi_pel_pixels48_8_avx2(uint8_t *_dst, ptrdiff_t _dststride, uint8_t *_src, ptrdiff_t _srcstride, int16_t *src2, int height, intptr_t mx, intptr_t my, int width);
-void ff_hevc_put_hevc_bi_pel_pixels64_8_avx2(uint8_t *_dst, ptrdiff_t _dststride, uint8_t *_src, ptrdiff_t _srcstride, int16_t *src2, int height, intptr_t mx, intptr_t my, int width);
+void ff_hevc_put_hevc_bi_pel_pixels16_8_avx2(uint8_t *_dst, ptrdiff_t _dststride, const uint8_t *_src, ptrdiff_t _srcstride, const int16_t *src2, int height, intptr_t mx, intptr_t my, int width);
+void ff_hevc_put_hevc_bi_pel_pixels24_8_avx2(uint8_t *_dst, ptrdiff_t _dststride, const uint8_t *_src, ptrdiff_t _srcstride, const int16_t *src2, int height, intptr_t mx, intptr_t my, int width);
+void ff_hevc_put_hevc_bi_pel_pixels32_8_avx2(uint8_t *_dst, ptrdiff_t _dststride, const uint8_t *_src, ptrdiff_t _srcstride, const int16_t *src2, int height, intptr_t mx, intptr_t my, int width);
+void ff_hevc_put_hevc_bi_pel_pixels48_8_avx2(uint8_t *_dst, ptrdiff_t _dststride, const uint8_t *_src, ptrdiff_t _srcstride, const int16_t *src2, int height, intptr_t mx, intptr_t my, int width);
+void ff_hevc_put_hevc_bi_pel_pixels64_8_avx2(uint8_t *_dst, ptrdiff_t _dststride, const uint8_t *_src, ptrdiff_t _srcstride, const int16_t *src2, int height, intptr_t mx, intptr_t my, int width);
 
-void ff_hevc_put_hevc_bi_pel_pixels16_10_avx2(uint8_t *_dst, ptrdiff_t _dststride, uint8_t *_src, ptrdiff_t _srcstride, int16_t *src2, int height, intptr_t mx, intptr_t my, int width);
-void ff_hevc_put_hevc_bi_pel_pixels24_10_avx2(uint8_t *_dst, ptrdiff_t _dststride, uint8_t *_src, ptrdiff_t _srcstride, int16_t *src2, int height, intptr_t mx, intptr_t my, int width);
-void ff_hevc_put_hevc_bi_pel_pixels32_10_avx2(uint8_t *_dst, ptrdiff_t _dststride, uint8_t *_src, ptrdiff_t _srcstride, int16_t *src2, int height, intptr_t mx, intptr_t my, int width);
-void ff_hevc_put_hevc_bi_pel_pixels48_10_avx2(uint8_t *_dst, ptrdiff_t _dststride, uint8_t *_src, ptrdiff_t _srcstride, int16_t *src2, int height, intptr_t mx, intptr_t my, int width);
-void ff_hevc_put_hevc_bi_pel_pixels64_10_avx2(uint8_t *_dst, ptrdiff_t _dststride, uint8_t *_src, ptrdiff_t _srcstride, int16_t *src2, int height, intptr_t mx, intptr_t my, int width);
+void ff_hevc_put_hevc_bi_pel_pixels16_10_avx2(uint8_t *_dst, ptrdiff_t _dststride, const uint8_t *_src, ptrdiff_t _srcstride, const int16_t *src2, int height, intptr_t mx, intptr_t my, int width);
+void ff_hevc_put_hevc_bi_pel_pixels24_10_avx2(uint8_t *_dst, ptrdiff_t _dststride, const uint8_t *_src, ptrdiff_t _srcstride, const int16_t *src2, int height, intptr_t mx, intptr_t my, int width);
+void ff_hevc_put_hevc_bi_pel_pixels32_10_avx2(uint8_t *_dst, ptrdiff_t _dststride, const uint8_t *_src, ptrdiff_t _srcstride, const int16_t *src2, int height, intptr_t mx, intptr_t my, int width);
+void ff_hevc_put_hevc_bi_pel_pixels48_10_avx2(uint8_t *_dst, ptrdiff_t _dststride, const uint8_t *_src, ptrdiff_t _srcstride, const int16_t *src2, int height, intptr_t mx, intptr_t my, int width);
+void ff_hevc_put_hevc_bi_pel_pixels64_10_avx2(uint8_t *_dst, ptrdiff_t _dststride, const uint8_t *_src, ptrdiff_t _srcstride, const int16_t *src2, int height, intptr_t mx, intptr_t my, int width);
 
 ///////////////////////////////////////////////////////////////////////////////
 // EPEL
@@ -233,34 +233,34 @@ WEIGHTING_PROTOTYPES(8, sse4);
 WEIGHTING_PROTOTYPES(10, sse4);
 WEIGHTING_PROTOTYPES(12, sse4);
 
-void ff_hevc_put_hevc_qpel_h4_8_avx512icl(int16_t *dst, uint8_t *_src, ptrdiff_t _srcstride, int height, intptr_t mx, intptr_t my, int width);
-void ff_hevc_put_hevc_qpel_h8_8_avx512icl(int16_t *dst, uint8_t *_src, ptrdiff_t _srcstride, int height, intptr_t mx, intptr_t my, int width);
-void ff_hevc_put_hevc_qpel_h16_8_avx512icl(int16_t *dst, uint8_t *_src, ptrdiff_t _srcstride, int height, intptr_t mx, intptr_t my, int width);
-void ff_hevc_put_hevc_qpel_h32_8_avx512icl(int16_t *dst, uint8_t *_src, ptrdiff_t _srcstride, int height, intptr_t mx, intptr_t my, int width);
-void ff_hevc_put_hevc_qpel_h64_8_avx512icl(int16_t *dst, uint8_t *_src, ptrdiff_t _srcstride, int height, intptr_t mx, intptr_t my, int width);
-void ff_hevc_put_hevc_qpel_hv8_8_avx512icl(int16_t *dst, uint8_t *_src, ptrdiff_t _srcstride, int height, intptr_t mx, intptr_t my, int width);
+void ff_hevc_put_hevc_qpel_h4_8_avx512icl(int16_t *dst, const uint8_t *_src, ptrdiff_t _srcstride, int height, intptr_t mx, intptr_t my, int width);
+void ff_hevc_put_hevc_qpel_h8_8_avx512icl(int16_t *dst, const uint8_t *_src, ptrdiff_t _srcstride, int height, intptr_t mx, intptr_t my, int width);
+void ff_hevc_put_hevc_qpel_h16_8_avx512icl(int16_t *dst, const uint8_t *_src, ptrdiff_t _srcstride, int height, intptr_t mx, intptr_t my, int width);
+void ff_hevc_put_hevc_qpel_h32_8_avx512icl(int16_t *dst, const uint8_t *_src, ptrdiff_t _srcstride, int height, intptr_t mx, intptr_t my, int width);
+void ff_hevc_put_hevc_qpel_h64_8_avx512icl(int16_t *dst, const uint8_t *_src, ptrdiff_t _srcstride, int height, intptr_t mx, intptr_t my, int width);
+void ff_hevc_put_hevc_qpel_hv8_8_avx512icl(int16_t *dst, const uint8_t *_src, ptrdiff_t _srcstride, int height, intptr_t mx, intptr_t my, int width);
 
 ///////////////////////////////////////////////////////////////////////////////
 // TRANSFORM_ADD
 ///////////////////////////////////////////////////////////////////////////////
 
-void ff_hevc_add_residual_4_8_mmxext(uint8_t *dst, int16_t *res, ptrdiff_t stride);
-void ff_hevc_add_residual_8_8_sse2(uint8_t *dst, int16_t *res, ptrdiff_t stride);
-void ff_hevc_add_residual_16_8_sse2(uint8_t *dst, int16_t *res, ptrdiff_t stride);
-void ff_hevc_add_residual_32_8_sse2(uint8_t *dst, int16_t *res, ptrdiff_t stride);
+void ff_hevc_add_residual_4_8_mmxext(uint8_t *dst, const int16_t *res, ptrdiff_t stride);
+void ff_hevc_add_residual_8_8_sse2(uint8_t *dst, const int16_t *res, ptrdiff_t stride);
+void ff_hevc_add_residual_16_8_sse2(uint8_t *dst, const int16_t *res, ptrdiff_t stride);
+void ff_hevc_add_residual_32_8_sse2(uint8_t *dst, const int16_t *res, ptrdiff_t stride);
 
-void ff_hevc_add_residual_8_8_avx(uint8_t *dst, int16_t *res, ptrdiff_t stride);
-void ff_hevc_add_residual_16_8_avx(uint8_t *dst, int16_t *res, ptrdiff_t stride);
-void ff_hevc_add_residual_32_8_avx(uint8_t *dst, int16_t *res, ptrdiff_t stride);
+void ff_hevc_add_residual_8_8_avx(uint8_t *dst, const int16_t *res, ptrdiff_t stride);
+void ff_hevc_add_residual_16_8_avx(uint8_t *dst, const int16_t *res, ptrdiff_t stride);
+void ff_hevc_add_residual_32_8_avx(uint8_t *dst, const int16_t *res, ptrdiff_t stride);
 
-void ff_hevc_add_residual_32_8_avx2(uint8_t *dst, int16_t *res, ptrdiff_t stride);
+void ff_hevc_add_residual_32_8_avx2(uint8_t *dst, const int16_t *res, ptrdiff_t stride);
 
-void ff_hevc_add_residual_4_10_mmxext(uint8_t *dst, int16_t *res, ptrdiff_t stride);
-void ff_hevc_add_residual_8_10_sse2(uint8_t *dst, int16_t *res, ptrdiff_t stride);
-void ff_hevc_add_residual_16_10_sse2(uint8_t *dst, int16_t *res, ptrdiff_t stride);
-void ff_hevc_add_residual_32_10_sse2(uint8_t *dst, int16_t *res, ptrdiff_t stride);
+void ff_hevc_add_residual_4_10_mmxext(uint8_t *dst, const int16_t *res, ptrdiff_t stride);
+void ff_hevc_add_residual_8_10_sse2(uint8_t *dst, const int16_t *res, ptrdiff_t stride);
+void ff_hevc_add_residual_16_10_sse2(uint8_t *dst, const int16_t *res, ptrdiff_t stride);
+void ff_hevc_add_residual_32_10_sse2(uint8_t *dst, const int16_t *res, ptrdiff_t stride);
 
-void ff_hevc_add_residual_16_10_avx2(uint8_t *dst, int16_t *res, ptrdiff_t stride);
-void ff_hevc_add_residual_32_10_avx2(uint8_t *dst, int16_t *res, ptrdiff_t stride);
+void ff_hevc_add_residual_16_10_avx2(uint8_t *dst, const int16_t *res, ptrdiff_t stride);
+void ff_hevc_add_residual_32_10_avx2(uint8_t *dst, const int16_t *res, ptrdiff_t stride);
 
 #endif // AVCODEC_X86_HEVCDSP_H
diff --git a/libavcodec/x86/hevcdsp_init.c b/libavcodec/x86/hevcdsp_init.c
index f7a5b28bec..6f45e5e0db 100644
--- a/libavcodec/x86/hevcdsp_init.c
+++ b/libavcodec/x86/hevcdsp_init.c
@@ -29,10 +29,10 @@
 #include "libavcodec/x86/hevcdsp.h"
 
 #define LFC_FUNC(DIR, DEPTH, OPT) \
-void ff_hevc_ ## DIR ## _loop_filter_chroma_ ## DEPTH ## _ ## OPT(uint8_t *pix, ptrdiff_t stride, int *tc, uint8_t *no_p, uint8_t *no_q);
+void ff_hevc_ ## DIR ## _loop_filter_chroma_ ## DEPTH ## _ ## OPT(uint8_t *pix, ptrdiff_t stride, const int *tc, const uint8_t *no_p, const uint8_t *no_q);
 
 #define LFL_FUNC(DIR, DEPTH, OPT) \
-void ff_hevc_ ## DIR ## _loop_filter_luma_ ## DEPTH ## _ ## OPT(uint8_t *pix, ptrdiff_t stride, int beta, int *tc, uint8_t *no_p, uint8_t *no_q);
+void ff_hevc_ ## DIR ## _loop_filter_luma_ ## DEPTH ## _ ## OPT(uint8_t *pix, ptrdiff_t stride, int beta, const int *tc, const uint8_t *no_p, const uint8_t *no_q);
 
 #define LFC_FUNCS(type, depth, opt) \
     LFC_FUNC(h, depth, opt)  \
@@ -85,46 +85,42 @@ IDCT_FUNCS(avx)
 
 #define mc_rep_func(name, bitd, step, W, opt) \
 void ff_hevc_put_hevc_##name##W##_##bitd##_##opt(int16_t *_dst,                                                 \
-                                                uint8_t *_src, ptrdiff_t _srcstride, int height,                \
+                                                 const uint8_t *_src, ptrdiff_t _srcstride, int height,         \
                                                 intptr_t mx, intptr_t my, int width)                            \
 {                                                                                                               \
     int i;                                                                                                      \
-    uint8_t *src;                                                                                               \
     int16_t *dst;                                                                                               \
     for (i = 0; i < W; i += step) {                                                                             \
-        src  = _src + (i * ((bitd + 7) / 8));                                                                   \
+        const uint8_t *src  = _src + (i * ((bitd + 7) / 8));                                                    \
         dst = _dst + i;                                                                                         \
         ff_hevc_put_hevc_##name##step##_##bitd##_##opt(dst, src, _srcstride, height, mx, my, width);            \
     }                                                                                                           \
 }
 #define mc_rep_uni_func(name, bitd, step, W, opt) \
 void ff_hevc_put_hevc_uni_##name##W##_##bitd##_##opt(uint8_t *_dst, ptrdiff_t dststride,                        \
-                                                    uint8_t *_src, ptrdiff_t _srcstride, int height,            \
+                                                     const uint8_t *_src, ptrdiff_t _srcstride, int height,     \
                                                     intptr_t mx, intptr_t my, int width)                        \
 {                                                                                                               \
     int i;                                                                                                      \
-    uint8_t *src;                                                                                               \
     uint8_t *dst;                                                                                               \
     for (i = 0; i < W; i += step) {                                                                             \
-        src = _src + (i * ((bitd + 7) / 8));                                                                    \
+        const uint8_t *src = _src + (i * ((bitd + 7) / 8));                                                     \
         dst = _dst + (i * ((bitd + 7) / 8));                                                                    \
         ff_hevc_put_hevc_uni_##name##step##_##bitd##_##opt(dst, dststride, src, _srcstride,                     \
                                                           height, mx, my, width);                               \
     }                                                                                                           \
 }
 #define mc_rep_bi_func(name, bitd, step, W, opt) \
-void ff_hevc_put_hevc_bi_##name##W##_##bitd##_##opt(uint8_t *_dst, ptrdiff_t dststride, uint8_t *_src,          \
-                                                   ptrdiff_t _srcstride, int16_t* _src2,                        \
+void ff_hevc_put_hevc_bi_##name##W##_##bitd##_##opt(uint8_t *_dst, ptrdiff_t dststride, const uint8_t *_src,    \
+                                                    ptrdiff_t _srcstride, const int16_t *_src2,                 \
                                                    int height, intptr_t mx, intptr_t my, int width)             \
 {                                                                                                               \
     int i;                                                                                                      \
-    uint8_t  *src;                                                                                              \
     uint8_t  *dst;                                                                                              \
-    int16_t  *src2;                                                                                             \
     for (i = 0; i < W ; i += step) {                                                                            \
-        src  = _src + (i * ((bitd + 7) / 8));                                                                   \
+        const uint8_t *src  = _src + (i * ((bitd + 7) / 8));                                                    \
+        const int16_t *src2 = _src2 + i;                                                                        \
         dst  = _dst + (i * ((bitd + 7) / 8));                                                                   \
-        src2 = _src2 + i;                                                                                       \
         ff_hevc_put_hevc_bi_##name##step##_##bitd##_##opt(dst, dststride, src, _srcstride, src2,                \
                                                           height, mx, my, width);                               \
     }                                                                                                           \
@@ -137,7 +133,7 @@ void ff_hevc_put_hevc_bi_##name##W##_##bitd##_##opt(uint8_t *_dst, ptrdiff_t dst
 
 #define mc_rep_func2(name, bitd, step1, step2, W, opt) \
 void ff_hevc_put_hevc_##name##W##_##bitd##_##opt(int16_t *dst,                                                  \
-                                                 uint8_t *src, ptrdiff_t _srcstride, int height,                \
+                                                 const uint8_t *src, ptrdiff_t _srcstride, int height,          \
                                                  intptr_t mx, intptr_t my, int width)                           \
 {                                                                                                               \
     ff_hevc_put_hevc_##name##step1##_##bitd##_##opt(dst, src, _srcstride, height, mx, my, width);               \
@@ -146,7 +142,7 @@ void ff_hevc_put_hevc_##name##W##_##bitd##_##opt(int16_t *dst,
 }
 #define mc_rep_uni_func2(name, bitd, step1, step2, W, opt) \
 void ff_hevc_put_hevc_uni_##name##W##_##bitd##_##opt(uint8_t *dst, ptrdiff_t dststride,                         \
-                                                     uint8_t *src, ptrdiff_t _srcstride, int height,            \
+                                                     const uint8_t *src, ptrdiff_t _srcstride, int height,      \
                                                      intptr_t mx, intptr_t my, int width)                       \
 {                                                                                                               \
     ff_hevc_put_hevc_uni_##name##step1##_##bitd##_##opt(dst, dststride, src, _srcstride, height, mx, my, width);\
@@ -155,8 +151,8 @@ void ff_hevc_put_hevc_uni_##name##W##_##bitd##_##opt(uint8_t *dst, ptrdiff_t dst
                                                         height, mx, my, width);                                 \
 }
 #define mc_rep_bi_func2(name, bitd, step1, step2, W, opt) \
-void ff_hevc_put_hevc_bi_##name##W##_##bitd##_##opt(uint8_t *dst, ptrdiff_t dststride, uint8_t *src,            \
-                                                    ptrdiff_t _srcstride, int16_t* src2,                        \
+void ff_hevc_put_hevc_bi_##name##W##_##bitd##_##opt(uint8_t *dst, ptrdiff_t dststride, const uint8_t *src,      \
+                                                    ptrdiff_t _srcstride, const int16_t *src2,                  \
                                                     int height, intptr_t mx, intptr_t my, int width)            \
 {                                                                                                               \
     ff_hevc_put_hevc_bi_##name##step1##_##bitd##_##opt(dst, dststride, src, _srcstride, src2, height, mx, my, width);\
@@ -173,7 +169,7 @@ void ff_hevc_put_hevc_bi_##name##W##_##bitd##_##opt(uint8_t *dst, ptrdiff_t dsts
 #if ARCH_X86_64 && HAVE_SSE4_EXTERNAL
 
 #define mc_rep_mix_10(name, width1, width2, width3, opt1, opt2, width4)                                       \
-void ff_hevc_put_hevc_##name##width1##_10_##opt1(int16_t *dst, uint8_t *src, ptrdiff_t _srcstride,            \
+void ff_hevc_put_hevc_##name##width1##_10_##opt1(int16_t *dst, const uint8_t *src, ptrdiff_t _srcstride,      \
                                                  int height, intptr_t mx, intptr_t my, int width)             \
                                                                                                               \
 {                                                                                                             \
@@ -182,8 +178,8 @@ void ff_hevc_put_hevc_##name##width1##_10_##opt1(int16_t *dst, uint8_t *src, ptr
 }
 
 #define mc_bi_rep_mix_10(name, width1, width2, width3, opt1, opt2, width4)                                    \
-void ff_hevc_put_hevc_bi_##name##width1##_10_##opt1(uint8_t *dst, ptrdiff_t dststride, uint8_t *src,          \
-                                                    ptrdiff_t _srcstride, int16_t *src2,                      \
+void ff_hevc_put_hevc_bi_##name##width1##_10_##opt1(uint8_t *dst, ptrdiff_t dststride, const uint8_t *src,    \
+                                                    ptrdiff_t _srcstride, const int16_t *src2,                \
                                                     int height, intptr_t mx, intptr_t my, int width)          \
 {                                                                                                             \
     ff_hevc_put_hevc_bi_##name##width2##_10_##opt1(dst, dststride, src, _srcstride, src2,                     \
@@ -194,7 +190,7 @@ void ff_hevc_put_hevc_bi_##name##width1##_10_##opt1(uint8_t *dst, ptrdiff_t dsts
 
 #define mc_uni_rep_mix_10(name, width1, width2, width3, opt1, opt2, width4)                                   \
 void ff_hevc_put_hevc_uni_##name##width1##_10_##opt1(uint8_t *dst, ptrdiff_t dststride,                       \
-                                                     uint8_t *src, ptrdiff_t _srcstride, int height,          \
+                                                     const uint8_t *src, ptrdiff_t _srcstride, int height,    \
                                                      intptr_t mx, intptr_t my, int width)                     \
 {                                                                                                             \
     ff_hevc_put_hevc_uni_##name##width2##_10_##opt1(dst, dststride, src, _srcstride,                          \
@@ -209,7 +205,7 @@ mc_bi_rep_mix_10(name, width1, width2, width3, opt1, opt2, width4)         \
 mc_uni_rep_mix_10(name, width1, width2, width3, opt1, opt2, width4)
 
 #define mc_rep_mix_8(name, width1, width2, width3, opt1, opt2)                                                \
-void ff_hevc_put_hevc_##name##width1##_8_##opt1(int16_t *dst, uint8_t *src, ptrdiff_t _srcstride,             \
+void ff_hevc_put_hevc_##name##width1##_8_##opt1(int16_t *dst, const uint8_t *src, ptrdiff_t _srcstride,       \
                                                 int height, intptr_t mx, intptr_t my, int width)              \
                                                                                                               \
 {                                                                                                             \
@@ -218,8 +214,8 @@ void ff_hevc_put_hevc_##name##width1##_8_##opt1(int16_t *dst, uint8_t *src, ptrd
 }
 
 #define mc_bi_rep_mix_8(name, width1, width2, width3, opt1, opt2)                                             \
-void ff_hevc_put_hevc_bi_##name##width1##_8_##opt1(uint8_t *dst, ptrdiff_t dststride, uint8_t *src,           \
-                                                   ptrdiff_t _srcstride, int16_t* src2,                       \
+void ff_hevc_put_hevc_bi_##name##width1##_8_##opt1(uint8_t *dst, ptrdiff_t dststride, const uint8_t *src,     \
+                                                   ptrdiff_t _srcstride, const int16_t *src2,                 \
                                                    int height, intptr_t mx, intptr_t my, int width)           \
 {                                                                                                             \
     ff_hevc_put_hevc_bi_##name##width2##_8_##opt1(dst, dststride, src, _srcstride,                            \
@@ -230,7 +226,7 @@ void ff_hevc_put_hevc_bi_##name##width1##_8_##opt1(uint8_t *dst, ptrdiff_t dstst
 
 #define mc_uni_rep_mix_8(name, width1, width2, width3, opt1, opt2)                                            \
 void ff_hevc_put_hevc_uni_##name##width1##_8_##opt1(uint8_t *dst, ptrdiff_t dststride,                        \
-                                                    uint8_t *src, ptrdiff_t _srcstride, int height,           \
+                                                    const uint8_t *src, ptrdiff_t _srcstride, int height,     \
                                                     intptr_t mx, intptr_t my, int width)                      \
 {                                                                                                             \
     ff_hevc_put_hevc_uni_##name##width2##_8_##opt1(dst, dststride, src, _srcstride,                           \
@@ -434,14 +430,13 @@ mc_rep_funcs(qpel_hv,12,  8, 16, sse4)
 mc_rep_funcs(qpel_hv,12,  4, 12, sse4)
 
 #define mc_rep_uni_w(bitd, step, W, opt) \
-void ff_hevc_put_hevc_uni_w##W##_##bitd##_##opt(uint8_t *_dst, ptrdiff_t dststride, int16_t *_src, \
+void ff_hevc_put_hevc_uni_w##W##_##bitd##_##opt(uint8_t *_dst, ptrdiff_t dststride, const int16_t *_src, \
                                                int height, int denom,  int _wx, int _ox)                                \
 {                                                                                                                       \
     int i;                                                                                                              \
-    int16_t *src;                                                                                                       \
     uint8_t *dst;                                                                                                       \
     for (i = 0; i < W; i += step) {                                                                                     \
-        src= _src + i;                                                                                                  \
+        const int16_t *src = _src + i;                                                                                  \
         dst= _dst + (i * ((bitd + 7) / 8));                                                                             \
         ff_hevc_put_hevc_uni_w##step##_##bitd##_##opt(dst, dststride, src,                                   \
                                                      height, denom, _wx, _ox);                                          \
@@ -470,17 +465,15 @@ mc_rep_uni_w(12, 8, 48, sse4)
 mc_rep_uni_w(12, 8, 64, sse4)
 
 #define mc_rep_bi_w(bitd, step, W, opt) \
-void ff_hevc_put_hevc_bi_w##W##_##bitd##_##opt(uint8_t *_dst, ptrdiff_t dststride, int16_t *_src, \
-                                              int16_t *_src2, int height,                                               \
+void ff_hevc_put_hevc_bi_w##W##_##bitd##_##opt(uint8_t *_dst, ptrdiff_t dststride, const int16_t *_src, \
+                                               const int16_t *_src2, int height,                                        \
                                               int denom,  int _wx0,  int _wx1, int _ox0, int _ox1)                      \
 {                                                                                                                       \
     int i;                                                                                                              \
-    int16_t *src;                                                                                                       \
-    int16_t *src2;                                                                                                      \
     uint8_t *dst;                                                                                                       \
     for (i = 0; i < W; i += step) {                                                                                     \
-        src  = _src  + i;                                                                                               \
-        src2 = _src2 + i;                                                                                               \
+        const int16_t *src  = _src  + i;                                                                                \
+        const int16_t *src2 = _src2 + i;                                                                                \
         dst  = _dst  + (i * ((bitd + 7) / 8));                                                                          \
         ff_hevc_put_hevc_bi_w##step##_##bitd##_##opt(dst, dststride, src, src2,                             \
                                                      height, denom, _wx0, _wx1, _ox0, _ox1);                             \
@@ -510,7 +503,7 @@ mc_rep_bi_w(12, 8, 64, sse4)
 
 #define mc_uni_w_func(name, bitd, W, opt) \
 void ff_hevc_put_hevc_uni_w_##name##W##_##bitd##_##opt(uint8_t *_dst, ptrdiff_t _dststride,         \
-                                                      uint8_t *_src, ptrdiff_t _srcstride,          \
+                                                       const uint8_t *_src, ptrdiff_t _srcstride,   \
                                                       int height, int denom,                        \
                                                       int _wx, int _ox,                             \
                                                       intptr_t mx, intptr_t my, int width)          \
@@ -568,8 +561,8 @@ mc_uni_w_funcs(qpel_hv, 12, sse4)
 
 #define mc_bi_w_func(name, bitd, W, opt) \
 void ff_hevc_put_hevc_bi_w_##name##W##_##bitd##_##opt(uint8_t *_dst, ptrdiff_t _dststride,           \
-                                                     uint8_t *_src, ptrdiff_t _srcstride,            \
-                                                     int16_t *_src2,                                 \
+                                                      const uint8_t *_src, ptrdiff_t _srcstride,     \
+                                                      const int16_t *_src2,                          \
                                                      int height, int denom,                          \
                                                      int _wx0, int _wx1, int _ox0, int _ox1,         \
                                                      intptr_t mx, intptr_t my, int width)            \
@@ -628,16 +621,16 @@ mc_bi_w_funcs(qpel_hv, 12, sse4)
 #endif //ARCH_X86_64 && HAVE_SSE4_EXTERNAL
 
 #define SAO_BAND_FILTER_FUNCS(bitd, opt)                                                                                   \
-void ff_hevc_sao_band_filter_8_##bitd##_##opt(uint8_t *_dst, uint8_t *_src, ptrdiff_t _stride_dst, ptrdiff_t _stride_src,  \
-                                            int16_t *sao_offset_val, int sao_left_class, int width, int height);           \
-void ff_hevc_sao_band_filter_16_##bitd##_##opt(uint8_t *_dst, uint8_t *_src, ptrdiff_t _stride_dst, ptrdiff_t _stride_src, \
-                                            int16_t *sao_offset_val, int sao_left_class, int width, int height);           \
-void ff_hevc_sao_band_filter_32_##bitd##_##opt(uint8_t *_dst, uint8_t *_src, ptrdiff_t _stride_dst, ptrdiff_t _stride_src, \
-                                            int16_t *sao_offset_val, int sao_left_class, int width, int height);           \
-void ff_hevc_sao_band_filter_48_##bitd##_##opt(uint8_t *_dst, uint8_t *_src, ptrdiff_t _stride_dst, ptrdiff_t _stride_src, \
-                                            int16_t *sao_offset_val, int sao_left_class, int width, int height);           \
-void ff_hevc_sao_band_filter_64_##bitd##_##opt(uint8_t *_dst, uint8_t *_src, ptrdiff_t _stride_dst, ptrdiff_t _stride_src, \
-                                             int16_t *sao_offset_val, int sao_left_class, int width, int height);
+void ff_hevc_sao_band_filter_8_##bitd##_##opt(uint8_t *_dst, const uint8_t *_src, ptrdiff_t _stride_dst, ptrdiff_t _stride_src,  \
+                                              const int16_t *sao_offset_val, int sao_left_class, int width, int height);         \
+void ff_hevc_sao_band_filter_16_##bitd##_##opt(uint8_t *_dst, const uint8_t *_src, ptrdiff_t _stride_dst, ptrdiff_t _stride_src, \
+                                               const int16_t *sao_offset_val, int sao_left_class, int width, int height);        \
+void ff_hevc_sao_band_filter_32_##bitd##_##opt(uint8_t *_dst, const uint8_t *_src, ptrdiff_t _stride_dst, ptrdiff_t _stride_src, \
+                                               const int16_t *sao_offset_val, int sao_left_class, int width, int height);        \
+void ff_hevc_sao_band_filter_48_##bitd##_##opt(uint8_t *_dst, const uint8_t *_src, ptrdiff_t _stride_dst, ptrdiff_t _stride_src, \
+                                               const int16_t *sao_offset_val, int sao_left_class, int width, int height);        \
+void ff_hevc_sao_band_filter_64_##bitd##_##opt(uint8_t *_dst, const uint8_t *_src, ptrdiff_t _stride_dst, ptrdiff_t _stride_src, \
+                                               const int16_t *sao_offset_val, int sao_left_class, int width, int height);
 
 SAO_BAND_FILTER_FUNCS(8,  sse2)
 SAO_BAND_FILTER_FUNCS(10, sse2)
@@ -657,17 +650,17 @@ SAO_BAND_FILTER_FUNCS(12, avx2)
     c->sao_band_filter[4]      = ff_hevc_sao_band_filter_64_##bitd##_##opt; \
 } while (0)
 
-#define SAO_EDGE_FILTER_FUNCS(bitd, opt)                                                                                    \
-void ff_hevc_sao_edge_filter_8_##bitd##_##opt(uint8_t *_dst, uint8_t *_src, ptrdiff_t stride_dst, int16_t *sao_offset_val,  \
-                                              int eo, int width, int height);                                               \
-void ff_hevc_sao_edge_filter_16_##bitd##_##opt(uint8_t *_dst, uint8_t *_src, ptrdiff_t stride_dst, int16_t *sao_offset_val, \
-                                               int eo, int width, int height);                                              \
-void ff_hevc_sao_edge_filter_32_##bitd##_##opt(uint8_t *_dst, uint8_t *_src, ptrdiff_t stride_dst, int16_t *sao_offset_val, \
-                                               int eo, int width, int height);                                              \
-void ff_hevc_sao_edge_filter_48_##bitd##_##opt(uint8_t *_dst, uint8_t *_src, ptrdiff_t stride_dst, int16_t *sao_offset_val, \
-                                               int eo, int width, int height);                                              \
-void ff_hevc_sao_edge_filter_64_##bitd##_##opt(uint8_t *_dst, uint8_t *_src, ptrdiff_t stride_dst, int16_t *sao_offset_val, \
-                                               int eo, int width, int height);                                              \
+#define SAO_EDGE_FILTER_FUNCS(bitd, opt)                                                                      \
+void ff_hevc_sao_edge_filter_8_##bitd##_##opt(uint8_t *_dst, const uint8_t *_src, ptrdiff_t stride_dst,       \
+                                              const int16_t *sao_offset_val, int eo, int width, int height);  \
+void ff_hevc_sao_edge_filter_16_##bitd##_##opt(uint8_t *_dst, const uint8_t *_src, ptrdiff_t stride_dst,      \
+                                               const int16_t *sao_offset_val, int eo, int width, int height); \
+void ff_hevc_sao_edge_filter_32_##bitd##_##opt(uint8_t *_dst, const uint8_t *_src, ptrdiff_t stride_dst,      \
+                                               const int16_t *sao_offset_val, int eo, int width, int height); \
+void ff_hevc_sao_edge_filter_48_##bitd##_##opt(uint8_t *_dst, const uint8_t *_src, ptrdiff_t stride_dst,      \
+                                               const int16_t *sao_offset_val, int eo, int width, int height); \
+void ff_hevc_sao_edge_filter_64_##bitd##_##opt(uint8_t *_dst, const uint8_t *_src, ptrdiff_t stride_dst,      \
+                                               const int16_t *sao_offset_val, int eo, int width, int height); \
 
 SAO_EDGE_FILTER_FUNCS(8, ssse3)
 SAO_EDGE_FILTER_FUNCS(8, avx2)