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Add IDCT functions for 10-bit H.264.

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Ports the majority of IDCT functions for 10-bit H.264.

Parts are inspired from 8-bit IDCT code in Libav; other parts ported from x264 with relicensing permission from author.

Signed-off-by: Ronald S. Bultje <rbultje@google.com>
pull/2/head
Daniel Kang 14 years ago committed by Ronald S. Bultje
parent 7e985c9e35
commit 836f47d34b
3 changed files with 631 additions and 1 deletions
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  1. 3
      libavcodec/x86/Makefile
  2. 570
      libavcodec/x86/h264_idct_10bit.asm
  3. 59
      libavcodec/x86/h264dsp_mmx.c

3
libavcodec/x86/Makefile
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@ -12,8 +12,9 @@ YASM-OBJS-$(CONFIG_FFT) += x86/fft_mmx.o \
MMX-OBJS-$(CONFIG_H264DSP) += x86/h264dsp_mmx.o
YASM-OBJS-$(CONFIG_H264DSP) += x86/h264_deblock.o \
x86/h264_deblock_10bit.o \
x86/h264_weight.o \
x86/h264_idct.o \
x86/h264_idct_10bit.o \
x86/h264_weight.o \
YASM-OBJS-$(CONFIG_H264PRED) += x86/h264_intrapred.o
MMX-OBJS-$(CONFIG_H264PRED) += x86/h264_intrapred_init.o

570
libavcodec/x86/h264_idct_10bit.asm
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@ -0,0 +1,570 @@
;*****************************************************************************
;* MMX/SSE2/AVX-optimized 10-bit H.264 iDCT code
;*****************************************************************************
;* Copyright (C) 2005-2011 x264 project
;*
;* Authors: Daniel Kang <daniel.d.kang@gmail.com>
;*
;* This file is part of Libav.
;*
;* Libav is free software; you can redistribute it and/or
;* modify it under the terms of the GNU Lesser General Public
;* License as published by the Free Software Foundation; either
;* version 2.1 of the License, or (at your option) any later version.
;*
;* Libav is distributed in the hope that it will be useful,
;* but WITHOUT ANY WARRANTY; without even the implied warranty of
;* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
;* Lesser General Public License for more details.
;*
;* You should have received a copy of the GNU Lesser General Public
;* License along with Libav; if not, write to the Free Software
;* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
;******************************************************************************
%include "x86inc.asm"
%include "x86util.asm"
SECTION_RODATA
pw_pixel_max: times 8 dw ((1 << 10)-1)
pd_32: times 4 dd 32
scan8_mem: db 4+1*8, 5+1*8, 4+2*8, 5+2*8
db 6+1*8, 7+1*8, 6+2*8, 7+2*8
db 4+3*8, 5+3*8, 4+4*8, 5+4*8
db 6+3*8, 7+3*8, 6+4*8, 7+4*8
db 1+1*8, 2+1*8
db 1+2*8, 2+2*8
db 1+4*8, 2+4*8
db 1+5*8, 2+5*8
%ifdef PIC
%define scan8 r11
%else
%define scan8 scan8_mem
%endif
SECTION .text
;-----------------------------------------------------------------------------
; void h264_idct_add(pixel *dst, dctcoef *block, int stride)
;-----------------------------------------------------------------------------
%macro STORE_DIFFx2 6
psrad %1, 6
psrad %2, 6
packssdw %1, %2
movq %3, [%5]
movhps %3, [%5+%6]
paddsw %1, %3
CLIPW %1, %4, [pw_pixel_max]
movq [%5], %1
movhps [%5+%6], %1
%endmacro
%macro STORE_DIFF16 5
psrad %1, 6
psrad %2, 6
packssdw %1, %2
paddsw %1, [%5]
CLIPW %1, %3, %4
mova [%5], %1
%endmacro
;dst, in, stride
%macro IDCT4_ADD_10 3
mova m0, [%2+ 0]
mova m1, [%2+16]
mova m2, [%2+32]
mova m3, [%2+48]
IDCT4_1D d,0,1,2,3,4,5
TRANSPOSE4x4D 0,1,2,3,4
paddd m0, [pd_32]
IDCT4_1D d,0,1,2,3,4,5
pxor m5, m5
STORE_DIFFx2 m0, m1, m4, m5, %1, %3
lea %1, [%1+%3*2]
STORE_DIFFx2 m2, m3, m4, m5, %1, %3
%endmacro
%macro IDCT_ADD_10 1
cglobal h264_idct_add_10_%1, 3,3
IDCT4_ADD_10 r0, r1, r2
RET
%endmacro
INIT_XMM
IDCT_ADD_10 sse2
%ifdef HAVE_AVX
INIT_AVX
IDCT_ADD_10 avx
%endif
;-----------------------------------------------------------------------------
; h264_idct_add16(pixel *dst, const int *block_offset, dctcoef *block, int stride, const uint8_t nnzc[6*8])
;-----------------------------------------------------------------------------
;;;;;;; NO FATE SAMPLES TRIGGER THIS
%macro ADD4x4IDCT 1
add4x4_idct_%1:
add r5, r0
mova m0, [r2+ 0]
mova m1, [r2+16]
mova m2, [r2+32]
mova m3, [r2+48]
IDCT4_1D d,0,1,2,3,4,5
TRANSPOSE4x4D 0,1,2,3,4
paddd m0, [pd_32]
IDCT4_1D d,0,1,2,3,4,5
pxor m5, m5
STORE_DIFFx2 m0, m1, m4, m5, r5, r3
lea r5, [r5+r3*2]
STORE_DIFFx2 m2, m3, m4, m5, r5, r3
ret
%endmacro
INIT_XMM
ALIGN 16
ADD4x4IDCT sse2
%ifdef HAVE_AVX
INIT_AVX
ALIGN 16
ADD4x4IDCT avx
%endif
%macro ADD16_OP 3
cmp byte [r4+%3], 0
jz .skipblock%2
mov r5d, dword [r1+%2*4]
call add4x4_idct_%1
.skipblock%2:
%if %2<15
add r2, 64
%endif
%endmacro
%macro IDCT_ADD16_10 1
cglobal h264_idct_add16_10_%1, 5,6
ADD16_OP %1, 0, 4+1*8
ADD16_OP %1, 1, 5+1*8
ADD16_OP %1, 2, 4+2*8
ADD16_OP %1, 3, 5+2*8
ADD16_OP %1, 4, 6+1*8
ADD16_OP %1, 5, 7+1*8
ADD16_OP %1, 6, 6+2*8
ADD16_OP %1, 7, 7+2*8
ADD16_OP %1, 8, 4+3*8
ADD16_OP %1, 9, 5+3*8
ADD16_OP %1, 10, 4+4*8
ADD16_OP %1, 11, 5+4*8
ADD16_OP %1, 12, 6+3*8
ADD16_OP %1, 13, 7+3*8
ADD16_OP %1, 14, 6+4*8
ADD16_OP %1, 15, 7+4*8
RET
%endmacro
INIT_XMM
IDCT_ADD16_10 sse2
%ifdef HAVE_AVX
INIT_AVX
IDCT_ADD16_10 avx
%endif
;-----------------------------------------------------------------------------
; void h264_idct_dc_add(pixel *dst, dctcoef *block, int stride)
;-----------------------------------------------------------------------------
%macro IDCT_DC_ADD_OP_10 3
pxor m5, m5
%if avx_enabled
paddw m1, m0, [%1+0 ]
paddw m2, m0, [%1+%2 ]
paddw m3, m0, [%1+%2*2]
paddw m4, m0, [%1+%3 ]
%else
mova m1, [%1+0 ]
mova m2, [%1+%2 ]
mova m3, [%1+%2*2]
mova m4, [%1+%3 ]
paddw m1, m0
paddw m2, m0
paddw m3, m0
paddw m4, m0
%endif
CLIPW m1, m5, m6
CLIPW m2, m5, m6
CLIPW m3, m5, m6
CLIPW m4, m5, m6
mova [%1+0 ], m1
mova [%1+%2 ], m2
mova [%1+%2*2], m3
mova [%1+%3 ], m4
%endmacro
INIT_MMX
cglobal h264_idct_dc_add_10_mmx2,3,3
movd m0, dword [r1]
paddd m0, [pd_32]
psrad m0, 6
lea r1, [r2*3]
pshufw m0, m0, 0
mova m6, [pw_pixel_max]
IDCT_DC_ADD_OP_10 r0, r2, r1
RET
;-----------------------------------------------------------------------------
; void h264_idct8_dc_add(pixel *dst, dctcoef *block, int stride)
;-----------------------------------------------------------------------------
%macro IDCT8_DC_ADD 1
cglobal h264_idct8_dc_add_10_%1,3,3,7
mov r1d, dword [r1]
add r1, 32
sar r1, 6
movd m0, r1d
lea r1, [r2*3]
SPLATW m0, m0, 0
mova m6, [pw_pixel_max]
IDCT_DC_ADD_OP_10 r0, r2, r1
lea r0, [r0+r2*4]
IDCT_DC_ADD_OP_10 r0, r2, r1
RET
%endmacro
INIT_XMM
IDCT8_DC_ADD sse2
%ifdef HAVE_AVX
INIT_AVX
IDCT8_DC_ADD avx
%endif
;-----------------------------------------------------------------------------
; h264_idct_add16intra(pixel *dst, const int *block_offset, dctcoef *block, int stride, const uint8_t nnzc[6*8])
;-----------------------------------------------------------------------------
%macro AC 2
.ac%2
mov r5d, dword [r1+(%2+0)*4]
call add4x4_idct_%1
mov r5d, dword [r1+(%2+1)*4]
add r2, 64
call add4x4_idct_%1
add r2, 64
jmp .skipadd%2
%endmacro
%macro ADD16_OP_INTRA 3
cmp word [r4+%3], 0
jnz .ac%2
mov r6d, dword [r2+ 0]
or r6d, dword [r2+64]
jz .skipblock%2
mov r5d, dword [r1+(%2+0)*4]
call idct_dc_add_%1
.skipblock%2:
%if %2<15
add r2, 128
%endif
.skipadd%2:
%endmacro
%macro IDCT_ADD16INTRA_10 1
idct_dc_add_%1:
add r5, r0
movq m0, [r2+ 0]
movhps m0, [r2+64]
paddd m0, [pd_32]
psrad m0, 6
pshufhw m0, m0, 0
pshuflw m0, m0, 0
lea r6, [r3*3]
mova m6, [pw_pixel_max]
IDCT_DC_ADD_OP_10 r5, r3, r6
ret
cglobal h264_idct_add16intra_10_%1,5,7,8
ADD16_OP_INTRA %1, 0, 4+1*8
ADD16_OP_INTRA %1, 2, 4+2*8
ADD16_OP_INTRA %1, 4, 6+1*8
ADD16_OP_INTRA %1, 6, 6+2*8
ADD16_OP_INTRA %1, 8, 4+3*8
ADD16_OP_INTRA %1, 10, 4+4*8
ADD16_OP_INTRA %1, 12, 6+3*8
ADD16_OP_INTRA %1, 14, 6+4*8
RET
%assign i 14
%rep 8
AC %1, i
%assign i i-2
%endrep
%endmacro
INIT_XMM
IDCT_ADD16INTRA_10 sse2
%ifdef HAVE_AVX
INIT_AVX
IDCT_ADD16INTRA_10 avx
%endif
;-----------------------------------------------------------------------------
; h264_idct_add8(pixel **dst, const int *block_offset, dctcoef *block, int stride, const uint8_t nnzc[6*8])
;-----------------------------------------------------------------------------
%macro IDCT_ADD8 1
cglobal h264_idct_add8_10_%1,5,7
mov r5, 16
add r2, 1024
%ifdef PIC
lea r11, [scan8_mem]
%endif
%ifdef ARCH_X86_64
mov r10, r0
%endif
.nextblock:
movzx r6, byte [scan8+r5]
movzx r6, byte [r4+r6]
or r6d, dword [r2]
test r6, r6
jz .skipblock
%ifdef ARCH_X86_64
mov r0d, dword [r1+r5*4]
add r0, [r10]
%else
mov r0, r0m
mov r0, [r0]
add r0, dword [r1+r5*4]
%endif
IDCT4_ADD_10 r0, r2, r3
.skipblock:
inc r5
add r2, 64
test r5, 3
jnz .nextblock
%ifdef ARCH_X86_64
add r10, gprsize
%else
add r0mp, gprsize
%endif
test r5, 4
jnz .nextblock
REP_RET
%endmacro ; IDCT_ADD8
INIT_XMM
IDCT_ADD8 sse2
%ifdef HAVE_AVX
INIT_AVX
IDCT_ADD8 avx
%endif
;-----------------------------------------------------------------------------
; void h264_idct8_add(pixel *dst, dctcoef *block, int stride)
;-----------------------------------------------------------------------------
%macro IDCT8_1D 2
SWAP 0, 1
psrad m4, m5, 1
psrad m1, m0, 1
paddd m4, m5
paddd m1, m0
paddd m4, m7
paddd m1, m5
psubd m4, m0
paddd m1, m3
psubd m0, m3
psubd m5, m3
paddd m0, m7
psubd m5, m7
psrad m3, 1
psrad m7, 1
psubd m0, m3
psubd m5, m7
SWAP 1, 7
psrad m1, m7, 2
psrad m3, m4, 2
paddd m3, m0
psrad m0, 2
paddd m1, m5
psrad m5, 2
psubd m0, m4
psubd m7, m5
SWAP 5, 6
psrad m4, m2, 1
psrad m6, m5, 1
psubd m4, m5
paddd m6, m2
mova m2, %1
mova m5, %2
SUMSUB_BA d, 5, 2
SUMSUB_BA d, 6, 5
SUMSUB_BA d, 4, 2
SUMSUB_BA d, 7, 6
SUMSUB_BA d, 0, 4
SUMSUB_BA d, 3, 2
SUMSUB_BA d, 1, 5
SWAP 7, 6, 4, 5, 2, 3, 1, 0 ; 70315246 -> 01234567
%endmacro
%macro IDCT8_1D_FULL 1
mova m7, [%1+112*2]
mova m6, [%1+ 96*2]
mova m5, [%1+ 80*2]
mova m3, [%1+ 48*2]
mova m2, [%1+ 32*2]
mova m1, [%1+ 16*2]
IDCT8_1D [%1], [%1+ 64*2]
%endmacro
; %1=int16_t *block, %2=int16_t *dstblock
%macro IDCT8_ADD_SSE_START 2
IDCT8_1D_FULL %1
%ifdef ARCH_X86_64
TRANSPOSE4x4D 0,1,2,3,8
mova [%2 ], m0
TRANSPOSE4x4D 4,5,6,7,8
mova [%2+8*2], m4
%else
mova [%1], m7
TRANSPOSE4x4D 0,1,2,3,7
mova m7, [%1]
mova [%2 ], m0
mova [%2+16*2], m1
mova [%2+32*2], m2
mova [%2+48*2], m3
TRANSPOSE4x4D 4,5,6,7,3
mova [%2+ 8*2], m4
mova [%2+24*2], m5
mova [%2+40*2], m6
mova [%2+56*2], m7
%endif
%endmacro
; %1=uint8_t *dst, %2=int16_t *block, %3=int stride
%macro IDCT8_ADD_SSE_END 3
IDCT8_1D_FULL %2
mova [%2 ], m6
mova [%2+16*2], m7
pxor m7, m7
STORE_DIFFx2 m0, m1, m6, m7, %1, %3
lea %1, [%1+%3*2]
STORE_DIFFx2 m2, m3, m6, m7, %1, %3
mova m0, [%2 ]
mova m1, [%2+16*2]
lea %1, [%1+%3*2]
STORE_DIFFx2 m4, m5, m6, m7, %1, %3
lea %1, [%1+%3*2]
STORE_DIFFx2 m0, m1, m6, m7, %1, %3
%endmacro
%macro IDCT8_ADD 1
cglobal h264_idct8_add_10_%1, 3,4,16
%ifndef UNIX64
%assign pad 16-gprsize-(stack_offset&15)
sub rsp, pad
call h264_idct8_add1_10_%1
add rsp, pad
RET
%endif
ALIGN 16
; TODO: does not need to use stack
h264_idct8_add1_10_%1:
%assign pad 256+16-gprsize
sub rsp, pad
add dword [r1], 32
%ifdef ARCH_X86_64
IDCT8_ADD_SSE_START r1, rsp
SWAP 1, 9
SWAP 2, 10
SWAP 3, 11
SWAP 5, 13
SWAP 6, 14
SWAP 7, 15
IDCT8_ADD_SSE_START r1+16, rsp+128
PERMUTE 1,9, 2,10, 3,11, 5,1, 6,2, 7,3, 9,13, 10,14, 11,15, 13,5, 14,6, 15,7
IDCT8_1D [rsp], [rsp+128]
SWAP 0, 8
SWAP 1, 9
SWAP 2, 10
SWAP 3, 11
SWAP 4, 12
SWAP 5, 13
SWAP 6, 14
SWAP 7, 15
IDCT8_1D [rsp+16], [rsp+144]
psrad m8, 6
psrad m0, 6
packssdw m8, m0
paddsw m8, [r0]
pxor m0, m0
CLIPW m8, m0, [pw_pixel_max]
mova [r0], m8
mova m8, [pw_pixel_max]
STORE_DIFF16 m9, m1, m0, m8, r0+r2
lea r0, [r0+r2*2]
STORE_DIFF16 m10, m2, m0, m8, r0
STORE_DIFF16 m11, m3, m0, m8, r0+r2
lea r0, [r0+r2*2]
STORE_DIFF16 m12, m4, m0, m8, r0
STORE_DIFF16 m13, m5, m0, m8, r0+r2
lea r0, [r0+r2*2]
STORE_DIFF16 m14, m6, m0, m8, r0
STORE_DIFF16 m15, m7, m0, m8, r0+r2
%else
IDCT8_ADD_SSE_START r1, rsp
IDCT8_ADD_SSE_START r1+16, rsp+128
lea r3, [r0+8]
IDCT8_ADD_SSE_END r0, rsp, r2
IDCT8_ADD_SSE_END r3, rsp+16, r2
%endif ; ARCH_X86_64
add rsp, pad
ret
%endmacro
INIT_XMM
IDCT8_ADD sse2
%ifdef HAVE_AVX
INIT_AVX
IDCT8_ADD avx
%endif
;-----------------------------------------------------------------------------
; h264_idct8_add4(pixel **dst, const int *block_offset, dctcoef *block, int stride, const uint8_t nnzc[6*8])
;-----------------------------------------------------------------------------
;;;;;;; NO FATE SAMPLES TRIGGER THIS
%macro IDCT8_ADD4_OP 3
cmp byte [r4+%3], 0
jz .skipblock%2
mov r0d, dword [r6+%2*4]
add r0, r5
call h264_idct8_add1_10_%1
.skipblock%2:
%if %2<12
add r1, 256
%endif
%endmacro
%macro IDCT8_ADD4 1
cglobal h264_idct8_add4_10_%1, 0,7,16
%assign pad 16-gprsize-(stack_offset&15)
SUB rsp, pad
mov r5, r0mp
mov r6, r1mp
mov r1, r2mp
mov r2d, r3m
movifnidn r4, r4mp
IDCT8_ADD4_OP %1, 0, 4+1*8
IDCT8_ADD4_OP %1, 4, 6+1*8
IDCT8_ADD4_OP %1, 8, 4+3*8
IDCT8_ADD4_OP %1, 12, 6+3*8
ADD rsp, pad
RET
%endmacro ; IDCT8_ADD4
INIT_XMM
IDCT8_ADD4 sse2
%ifdef HAVE_AVX
INIT_AVX
IDCT8_ADD4 avx
%endif

59
libavcodec/x86/h264dsp_mmx.c
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@ -27,6 +27,43 @@ DECLARE_ALIGNED(8, static const uint64_t, ff_pb_3_1 ) = 0x0103010301030103ULL;
/***********************************/
/* IDCT */
#define IDCT_ADD_FUNC(NUM, DEPTH, OPT) \
void ff_h264_idct ## NUM ## _add_ ## DEPTH ## _ ## OPT (uint8_t *dst, int16_t *block, int stride);
IDCT_ADD_FUNC(, 10, sse2)
IDCT_ADD_FUNC(_dc, 10, mmx2)
IDCT_ADD_FUNC(8_dc, 10, sse2)
IDCT_ADD_FUNC(8, 10, sse2)
#if HAVE_AVX
IDCT_ADD_FUNC(, 10, avx)
IDCT_ADD_FUNC(8_dc, 10, avx)
IDCT_ADD_FUNC(8, 10, avx)
#endif
#define IDCT_ADD_REP_FUNC(NUM, REP, DEPTH, OPT) \
void ff_h264_idct ## NUM ## _add ## REP ## _ ## DEPTH ## _ ## OPT \
(uint8_t *dst, const int *block_offset, \
DCTELEM *block, int stride, const uint8_t nnzc[6*8]);
IDCT_ADD_REP_FUNC(8, 4, 10, sse2)
IDCT_ADD_REP_FUNC(8, 4, 10, avx)
IDCT_ADD_REP_FUNC(, 16, 10, sse2)
IDCT_ADD_REP_FUNC(, 16intra, 10, sse2)
#if HAVE_AVX
IDCT_ADD_REP_FUNC(, 16, 10, avx)
IDCT_ADD_REP_FUNC(, 16intra, 10, avx)
#endif
#define IDCT_ADD_REP_FUNC2(NUM, REP, DEPTH, OPT) \
void ff_h264_idct ## NUM ## _add ## REP ## _ ## DEPTH ## _ ## OPT \
(uint8_t **dst, const int *block_offset, \
DCTELEM *block, int stride, const uint8_t nnzc[6*8]);
IDCT_ADD_REP_FUNC2(, 8, 10, sse2)
#if HAVE_AVX
IDCT_ADD_REP_FUNC2(, 8, 10, avx)
#endif
void ff_h264_idct_add_mmx (uint8_t *dst, int16_t *block, int stride);
void ff_h264_idct8_add_mmx (uint8_t *dst, int16_t *block, int stride);
@ -418,7 +455,17 @@ void ff_h264dsp_init_x86(H264DSPContext *c, const int bit_depth)
c->h264_v_loop_filter_luma_intra = ff_deblock_v_luma_intra_10_mmxext;
c->h264_h_loop_filter_luma_intra = ff_deblock_h_luma_intra_10_mmxext;
#endif
c->h264_idct_dc_add= ff_h264_idct_dc_add_10_mmx2;
if (mm_flags&AV_CPU_FLAG_SSE2) {
c->h264_idct_add = ff_h264_idct_add_10_sse2;
c->h264_idct8_dc_add = ff_h264_idct8_dc_add_10_sse2;
c->h264_idct8_add = ff_h264_idct8_add_10_sse2;
c->h264_idct_add16 = ff_h264_idct_add16_10_sse2;
c->h264_idct8_add4 = ff_h264_idct8_add4_10_sse2;
c->h264_idct_add8 = ff_h264_idct_add8_10_sse2;
c->h264_idct_add16intra= ff_h264_idct_add16intra_10_sse2;
c->h264_v_loop_filter_chroma= ff_deblock_v_chroma_10_sse2;
c->h264_v_loop_filter_chroma_intra= ff_deblock_v_chroma_intra_10_sse2;
#if HAVE_ALIGNED_STACK
@ -428,7 +475,18 @@ void ff_h264dsp_init_x86(H264DSPContext *c, const int bit_depth)
c->h264_h_loop_filter_luma_intra = ff_deblock_h_luma_intra_10_sse2;
#endif
}
#if HAVE_AVX
if (mm_flags&AV_CPU_FLAG_AVX) {
c->h264_idct_dc_add =
c->h264_idct_add = ff_h264_idct_add_10_avx;
c->h264_idct8_add = ff_h264_idct8_add_10_avx;
c->h264_idct8_dc_add = ff_h264_idct8_dc_add_10_avx;
c->h264_idct_add16 = ff_h264_idct_add16_10_avx;
c->h264_idct8_add4 = ff_h264_idct8_add4_10_avx;
c->h264_idct_add8 = ff_h264_idct_add8_10_avx;
c->h264_idct_add16intra= ff_h264_idct_add16intra_10_avx;
c->h264_v_loop_filter_chroma= ff_deblock_v_chroma_10_avx;
c->h264_v_loop_filter_chroma_intra= ff_deblock_v_chroma_intra_10_avx;
#if HAVE_ALIGNED_STACK
@ -438,6 +496,7 @@ void ff_h264dsp_init_x86(H264DSPContext *c, const int bit_depth)
c->h264_h_loop_filter_luma_intra = ff_deblock_h_luma_intra_10_avx;
#endif
}
#endif /* HAVE_AVX */
}
}
#endif

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