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pineapple-src/externals/ffmpeg/libavcodec/x86/me_cmp.asm
pineappleEA 3d5a9d908a early-access version 1432
2021-02-09 04:25:58 +01:00

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;*****************************************************************************
;* SIMD-optimized motion compensation estimation
;*****************************************************************************
;* Copyright (c) 2000, 2001 Fabrice Bellard
;* Copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at>
;*
;* This file is part of FFmpeg.
;*
;* FFmpeg 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.
;*
;* FFmpeg 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 FFmpeg; if not, write to the Free Software
;* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
;*****************************************************************************
%include "libavutil/x86/x86util.asm"
SECTION_RODATA
cextern pb_1
cextern pb_80
SECTION .text
%macro DIFF_PIXELS_1 4
movh %1, %3
movh %2, %4
punpcklbw %2, %1
punpcklbw %1, %1
psubw %1, %2
%endmacro
; %1=uint8_t *pix1, %2=uint8_t *pix2, %3=static offset, %4=stride, %5=stride*3
; %6=temporary storage location
; this macro requires $mmsize stack space (aligned) on %6 (except on SSE+x86-64)
%macro DIFF_PIXELS_8 6
DIFF_PIXELS_1 m0, m7, [%1 +%3], [%2 +%3]
DIFF_PIXELS_1 m1, m7, [%1+%4 +%3], [%2+%4 +%3]
DIFF_PIXELS_1 m2, m7, [%1+%4*2+%3], [%2+%4*2+%3]
add %1, %5
add %2, %5
DIFF_PIXELS_1 m3, m7, [%1 +%3], [%2 +%3]
DIFF_PIXELS_1 m4, m7, [%1+%4 +%3], [%2+%4 +%3]
DIFF_PIXELS_1 m5, m7, [%1+%4*2+%3], [%2+%4*2+%3]
DIFF_PIXELS_1 m6, m7, [%1+%5 +%3], [%2+%5 +%3]
%ifdef m8
DIFF_PIXELS_1 m7, m8, [%1+%4*4+%3], [%2+%4*4+%3]
%else
mova [%6], m0
DIFF_PIXELS_1 m7, m0, [%1+%4*4+%3], [%2+%4*4+%3]
mova m0, [%6]
%endif
sub %1, %5
sub %2, %5
%endmacro
%macro HADAMARD8 0
SUMSUB_BADC w, 0, 1, 2, 3
SUMSUB_BADC w, 4, 5, 6, 7
SUMSUB_BADC w, 0, 2, 1, 3
SUMSUB_BADC w, 4, 6, 5, 7
SUMSUB_BADC w, 0, 4, 1, 5
SUMSUB_BADC w, 2, 6, 3, 7
%endmacro
%macro ABS1_SUM 3
ABS1 %1, %2
paddusw %3, %1
%endmacro
%macro ABS2_SUM 6
ABS2 %1, %2, %3, %4
paddusw %5, %1
paddusw %6, %2
%endmacro
%macro ABS_SUM_8x8_64 1
ABS2 m0, m1, m8, m9
ABS2_SUM m2, m3, m8, m9, m0, m1
ABS2_SUM m4, m5, m8, m9, m0, m1
ABS2_SUM m6, m7, m8, m9, m0, m1
paddusw m0, m1
%endmacro
%macro ABS_SUM_8x8_32 1
mova [%1], m7
ABS1 m0, m7
ABS1 m1, m7
ABS1_SUM m2, m7, m0
ABS1_SUM m3, m7, m1
ABS1_SUM m4, m7, m0
ABS1_SUM m5, m7, m1
ABS1_SUM m6, m7, m0
mova m2, [%1]
ABS1_SUM m2, m7, m1
paddusw m0, m1
%endmacro
; FIXME: HSUM saturates at 64k, while an 8x8 hadamard or dct block can get up to
; about 100k on extreme inputs. But that's very unlikely to occur in natural video,
; and it's even more unlikely to not have any alternative mvs/modes with lower cost.
%macro HSUM 3
%if cpuflag(sse2)
movhlps %2, %1
paddusw %1, %2
pshuflw %2, %1, 0xE
paddusw %1, %2
pshuflw %2, %1, 0x1
paddusw %1, %2
movd %3, %1
%elif cpuflag(mmxext)
pshufw %2, %1, 0xE
paddusw %1, %2
pshufw %2, %1, 0x1
paddusw %1, %2
movd %3, %1
%elif cpuflag(mmx)
mova %2, %1
psrlq %1, 32
paddusw %1, %2
mova %2, %1
psrlq %1, 16
paddusw %1, %2
movd %3, %1
%endif
%endmacro
%macro STORE4 5
mova [%1+mmsize*0], %2
mova [%1+mmsize*1], %3
mova [%1+mmsize*2], %4
mova [%1+mmsize*3], %5
%endmacro
%macro LOAD4 5
mova %2, [%1+mmsize*0]
mova %3, [%1+mmsize*1]
mova %4, [%1+mmsize*2]
mova %5, [%1+mmsize*3]
%endmacro
%macro hadamard8_16_wrapper 2
cglobal hadamard8_diff, 4, 4, %1
%ifndef m8
%assign pad %2*mmsize-(4+stack_offset&(mmsize-1))
SUB rsp, pad
%endif
call hadamard8x8_diff %+ SUFFIX
%ifndef m8
ADD rsp, pad
%endif
RET
cglobal hadamard8_diff16, 5, 6, %1
%ifndef m8
%assign pad %2*mmsize-(4+stack_offset&(mmsize-1))
SUB rsp, pad
%endif
call hadamard8x8_diff %+ SUFFIX
mov r5d, eax
add r1, 8
add r2, 8
call hadamard8x8_diff %+ SUFFIX
add r5d, eax
cmp r4d, 16
jne .done
lea r1, [r1+r3*8-8]
lea r2, [r2+r3*8-8]
call hadamard8x8_diff %+ SUFFIX
add r5d, eax
add r1, 8
add r2, 8
call hadamard8x8_diff %+ SUFFIX
add r5d, eax
.done:
mov eax, r5d
%ifndef m8
ADD rsp, pad
%endif
RET
%endmacro
%macro HADAMARD8_DIFF 0-1
%if cpuflag(sse2)
hadamard8x8_diff %+ SUFFIX:
lea r0, [r3*3]
DIFF_PIXELS_8 r1, r2, 0, r3, r0, rsp+gprsize
HADAMARD8
%if ARCH_X86_64
TRANSPOSE8x8W 0, 1, 2, 3, 4, 5, 6, 7, 8
%else
TRANSPOSE8x8W 0, 1, 2, 3, 4, 5, 6, 7, [rsp+gprsize], [rsp+mmsize+gprsize]
%endif
HADAMARD8
ABS_SUM_8x8 rsp+gprsize
HSUM m0, m1, eax
and eax, 0xFFFF
ret
hadamard8_16_wrapper %1, 3
%elif cpuflag(mmx)
ALIGN 16
; int ff_hadamard8_diff_ ## cpu(MpegEncContext *s, uint8_t *src1,
; uint8_t *src2, ptrdiff_t stride, int h)
; r0 = void *s = unused, int h = unused (always 8)
; note how r1, r2 and r3 are not clobbered in this function, so 16x16
; can simply call this 2x2x (and that's why we access rsp+gprsize
; everywhere, which is rsp of calling func
hadamard8x8_diff %+ SUFFIX:
lea r0, [r3*3]
; first 4x8 pixels
DIFF_PIXELS_8 r1, r2, 0, r3, r0, rsp+gprsize+0x60
HADAMARD8
mova [rsp+gprsize+0x60], m7
TRANSPOSE4x4W 0, 1, 2, 3, 7
STORE4 rsp+gprsize, m0, m1, m2, m3
mova m7, [rsp+gprsize+0x60]
TRANSPOSE4x4W 4, 5, 6, 7, 0
STORE4 rsp+gprsize+0x40, m4, m5, m6, m7
; second 4x8 pixels
DIFF_PIXELS_8 r1, r2, 4, r3, r0, rsp+gprsize+0x60
HADAMARD8
mova [rsp+gprsize+0x60], m7
TRANSPOSE4x4W 0, 1, 2, 3, 7
STORE4 rsp+gprsize+0x20, m0, m1, m2, m3
mova m7, [rsp+gprsize+0x60]
TRANSPOSE4x4W 4, 5, 6, 7, 0
LOAD4 rsp+gprsize+0x40, m0, m1, m2, m3
HADAMARD8
ABS_SUM_8x8_32 rsp+gprsize+0x60
mova [rsp+gprsize+0x60], m0
LOAD4 rsp+gprsize , m0, m1, m2, m3
LOAD4 rsp+gprsize+0x20, m4, m5, m6, m7
HADAMARD8
ABS_SUM_8x8_32 rsp+gprsize
paddusw m0, [rsp+gprsize+0x60]
HSUM m0, m1, eax
and rax, 0xFFFF
ret
hadamard8_16_wrapper 0, 14
%endif
%endmacro
INIT_MMX mmx
HADAMARD8_DIFF
INIT_MMX mmxext
HADAMARD8_DIFF
INIT_XMM sse2
%if ARCH_X86_64
%define ABS_SUM_8x8 ABS_SUM_8x8_64
%else
%define ABS_SUM_8x8 ABS_SUM_8x8_32
%endif
HADAMARD8_DIFF 10
INIT_XMM ssse3
%define ABS_SUM_8x8 ABS_SUM_8x8_64
HADAMARD8_DIFF 9
; int ff_sse*_*(MpegEncContext *v, uint8_t *pix1, uint8_t *pix2,
; ptrdiff_t line_size, int h)
%macro SUM_SQUARED_ERRORS 1
cglobal sse%1, 5,5,8, v, pix1, pix2, lsize, h
%if %1 == mmsize
shr hd, 1
%endif
pxor m0, m0 ; mm0 = 0
pxor m7, m7 ; mm7 holds the sum
.next2lines: ; FIXME why are these unaligned movs? pix1[] is aligned
movu m1, [pix1q] ; m1 = pix1[0][0-15], [0-7] for mmx
movu m2, [pix2q] ; m2 = pix2[0][0-15], [0-7] for mmx
%if %1 == mmsize
movu m3, [pix1q+lsizeq] ; m3 = pix1[1][0-15], [0-7] for mmx
movu m4, [pix2q+lsizeq] ; m4 = pix2[1][0-15], [0-7] for mmx
%else ; %1 / 2 == mmsize; mmx only
mova m3, [pix1q+8] ; m3 = pix1[0][8-15]
mova m4, [pix2q+8] ; m4 = pix2[0][8-15]
%endif
; todo: mm1-mm2, mm3-mm4
; algo: subtract mm1 from mm2 with saturation and vice versa
; OR the result to get the absolute difference
mova m5, m1
mova m6, m3
psubusb m1, m2
psubusb m3, m4
psubusb m2, m5
psubusb m4, m6
por m2, m1
por m4, m3
; now convert to 16-bit vectors so we can square them
mova m1, m2
mova m3, m4
punpckhbw m2, m0
punpckhbw m4, m0
punpcklbw m1, m0 ; mm1 not spread over (mm1,mm2)
punpcklbw m3, m0 ; mm4 not spread over (mm3,mm4)
pmaddwd m2, m2
pmaddwd m4, m4
pmaddwd m1, m1
pmaddwd m3, m3
paddd m1, m2
paddd m3, m4
paddd m7, m1
paddd m7, m3
%if %1 == mmsize
lea pix1q, [pix1q + 2*lsizeq]
lea pix2q, [pix2q + 2*lsizeq]
%else
add pix1q, lsizeq
add pix2q, lsizeq
%endif
dec hd
jnz .next2lines
HADDD m7, m1
movd eax, m7 ; return value
RET
%endmacro
INIT_MMX mmx
SUM_SQUARED_ERRORS 8
INIT_MMX mmx
SUM_SQUARED_ERRORS 16
INIT_XMM sse2
SUM_SQUARED_ERRORS 16
;-----------------------------------------------
;int ff_sum_abs_dctelem(int16_t *block)
;-----------------------------------------------
; %1 = number of xmm registers used
; %2 = number of inline loops
%macro SUM_ABS_DCTELEM 2
cglobal sum_abs_dctelem, 1, 1, %1, block
pxor m0, m0
pxor m1, m1
%assign %%i 0
%rep %2
mova m2, [blockq+mmsize*(0+%%i)]
mova m3, [blockq+mmsize*(1+%%i)]
mova m4, [blockq+mmsize*(2+%%i)]
mova m5, [blockq+mmsize*(3+%%i)]
ABS1_SUM m2, m6, m0
ABS1_SUM m3, m6, m1
ABS1_SUM m4, m6, m0
ABS1_SUM m5, m6, m1
%assign %%i %%i+4
%endrep
paddusw m0, m1
HSUM m0, m1, eax
and eax, 0xFFFF
RET
%endmacro
INIT_MMX mmx
SUM_ABS_DCTELEM 0, 4
INIT_MMX mmxext
SUM_ABS_DCTELEM 0, 4
INIT_XMM sse2
SUM_ABS_DCTELEM 7, 2
INIT_XMM ssse3
SUM_ABS_DCTELEM 6, 2
;------------------------------------------------------------------------------
; int ff_hf_noise*_mmx(uint8_t *pix1, ptrdiff_t lsize, int h)
;------------------------------------------------------------------------------
; %1 = 8/16. %2-5=m#
%macro HF_NOISE_PART1 5
mova m%2, [pix1q]
%if %1 == 8
mova m%3, m%2
psllq m%2, 8
psrlq m%3, 8
psrlq m%2, 8
%else
mova m%3, [pix1q+1]
%endif
mova m%4, m%2
mova m%5, m%3
punpcklbw m%2, m7
punpcklbw m%3, m7
punpckhbw m%4, m7
punpckhbw m%5, m7
psubw m%2, m%3
psubw m%4, m%5
%endmacro
; %1-2 = m#
%macro HF_NOISE_PART2 4
psubw m%1, m%3
psubw m%2, m%4
pxor m3, m3
pxor m1, m1
pcmpgtw m3, m%1
pcmpgtw m1, m%2
pxor m%1, m3
pxor m%2, m1
psubw m%1, m3
psubw m%2, m1
paddw m%2, m%1
paddw m6, m%2
%endmacro
; %1 = 8/16
%macro HF_NOISE 1
cglobal hf_noise%1, 3,3,0, pix1, lsize, h
sub hd, 2
pxor m7, m7
pxor m6, m6
HF_NOISE_PART1 %1, 0, 1, 2, 3
add pix1q, lsizeq
HF_NOISE_PART1 %1, 4, 1, 5, 3
HF_NOISE_PART2 0, 2, 4, 5
add pix1q, lsizeq
.loop:
HF_NOISE_PART1 %1, 0, 1, 2, 3
HF_NOISE_PART2 4, 5, 0, 2
add pix1q, lsizeq
HF_NOISE_PART1 %1, 4, 1, 5, 3
HF_NOISE_PART2 0, 2, 4, 5
add pix1q, lsizeq
sub hd, 2
jne .loop
mova m0, m6
punpcklwd m0, m7
punpckhwd m6, m7
paddd m6, m0
mova m0, m6
psrlq m6, 32
paddd m0, m6
movd eax, m0 ; eax = result of hf_noise8;
REP_RET ; return eax;
%endmacro
INIT_MMX mmx
HF_NOISE 8
HF_NOISE 16
;---------------------------------------------------------------------------------------
;int ff_sad_<opt>(MpegEncContext *v, uint8_t *pix1, uint8_t *pix2, ptrdiff_t stride, int h);
;---------------------------------------------------------------------------------------
;%1 = 8/16
%macro SAD 1
cglobal sad%1, 5, 5, 3, v, pix1, pix2, stride, h
movu m2, [pix2q]
movu m1, [pix2q+strideq]
psadbw m2, [pix1q]
psadbw m1, [pix1q+strideq]
paddw m2, m1
%if %1 != mmsize
movu m0, [pix2q+8]
movu m1, [pix2q+strideq+8]
psadbw m0, [pix1q+8]
psadbw m1, [pix1q+strideq+8]
paddw m2, m0
paddw m2, m1
%endif
sub hd, 2
align 16
.loop:
lea pix1q, [pix1q+strideq*2]
lea pix2q, [pix2q+strideq*2]
movu m0, [pix2q]
movu m1, [pix2q+strideq]
psadbw m0, [pix1q]
psadbw m1, [pix1q+strideq]
paddw m2, m0
paddw m2, m1
%if %1 != mmsize
movu m0, [pix2q+8]
movu m1, [pix2q+strideq+8]
psadbw m0, [pix1q+8]
psadbw m1, [pix1q+strideq+8]
paddw m2, m0
paddw m2, m1
%endif
sub hd, 2
jg .loop
%if mmsize == 16
movhlps m0, m2
paddw m2, m0
%endif
movd eax, m2
RET
%endmacro
INIT_MMX mmxext
SAD 8
SAD 16
INIT_XMM sse2
SAD 16
;------------------------------------------------------------------------------------------
;int ff_sad_x2_<opt>(MpegEncContext *v, uint8_t *pix1, uint8_t *pix2, ptrdiff_t stride, int h);
;------------------------------------------------------------------------------------------
;%1 = 8/16
%macro SAD_X2 1
cglobal sad%1_x2, 5, 5, 5, v, pix1, pix2, stride, h
movu m0, [pix2q]
movu m2, [pix2q+strideq]
%if mmsize == 16
movu m3, [pix2q+1]
movu m4, [pix2q+strideq+1]
pavgb m0, m3
pavgb m2, m4
%else
pavgb m0, [pix2q+1]
pavgb m2, [pix2q+strideq+1]
%endif
psadbw m0, [pix1q]
psadbw m2, [pix1q+strideq]
paddw m0, m2
%if %1 != mmsize
movu m1, [pix2q+8]
movu m2, [pix2q+strideq+8]
pavgb m1, [pix2q+9]
pavgb m2, [pix2q+strideq+9]
psadbw m1, [pix1q+8]
psadbw m2, [pix1q+strideq+8]
paddw m0, m1
paddw m0, m2
%endif
sub hd, 2
align 16
.loop:
lea pix1q, [pix1q+2*strideq]
lea pix2q, [pix2q+2*strideq]
movu m1, [pix2q]
movu m2, [pix2q+strideq]
%if mmsize == 16
movu m3, [pix2q+1]
movu m4, [pix2q+strideq+1]
pavgb m1, m3
pavgb m2, m4
%else
pavgb m1, [pix2q+1]
pavgb m2, [pix2q+strideq+1]
%endif
psadbw m1, [pix1q]
psadbw m2, [pix1q+strideq]
paddw m0, m1
paddw m0, m2
%if %1 != mmsize
movu m1, [pix2q+8]
movu m2, [pix2q+strideq+8]
pavgb m1, [pix2q+9]
pavgb m2, [pix2q+strideq+9]
psadbw m1, [pix1q+8]
psadbw m2, [pix1q+strideq+8]
paddw m0, m1
paddw m0, m2
%endif
sub hd, 2
jg .loop
%if mmsize == 16
movhlps m1, m0
paddw m0, m1
%endif
movd eax, m0
RET
%endmacro
INIT_MMX mmxext
SAD_X2 8
SAD_X2 16
INIT_XMM sse2
SAD_X2 16
;------------------------------------------------------------------------------------------
;int ff_sad_y2_<opt>(MpegEncContext *v, uint8_t *pix1, uint8_t *pix2, ptrdiff_t stride, int h);
;------------------------------------------------------------------------------------------
;%1 = 8/16
%macro SAD_Y2 1
cglobal sad%1_y2, 5, 5, 4, v, pix1, pix2, stride, h
movu m1, [pix2q]
movu m0, [pix2q+strideq]
movu m3, [pix2q+2*strideq]
pavgb m1, m0
pavgb m0, m3
psadbw m1, [pix1q]
psadbw m0, [pix1q+strideq]
paddw m0, m1
mova m1, m3
%if %1 != mmsize
movu m4, [pix2q+8]
movu m5, [pix2q+strideq+8]
movu m6, [pix2q+2*strideq+8]
pavgb m4, m5
pavgb m5, m6
psadbw m4, [pix1q+8]
psadbw m5, [pix1q+strideq+8]
paddw m0, m4
paddw m0, m5
mova m4, m6
%endif
add pix2q, strideq
sub hd, 2
align 16
.loop:
lea pix1q, [pix1q+2*strideq]
lea pix2q, [pix2q+2*strideq]
movu m2, [pix2q]
movu m3, [pix2q+strideq]
pavgb m1, m2
pavgb m2, m3
psadbw m1, [pix1q]
psadbw m2, [pix1q+strideq]
paddw m0, m1
paddw m0, m2
mova m1, m3
%if %1 != mmsize
movu m5, [pix2q+8]
movu m6, [pix2q+strideq+8]
pavgb m4, m5
pavgb m5, m6
psadbw m4, [pix1q+8]
psadbw m5, [pix1q+strideq+8]
paddw m0, m4
paddw m0, m5
mova m4, m6
%endif
sub hd, 2
jg .loop
%if mmsize == 16
movhlps m1, m0
paddw m0, m1
%endif
movd eax, m0
RET
%endmacro
INIT_MMX mmxext
SAD_Y2 8
SAD_Y2 16
INIT_XMM sse2
SAD_Y2 16
;-------------------------------------------------------------------------------------------
;int ff_sad_approx_xy2_<opt>(MpegEncContext *v, uint8_t *pix1, uint8_t *pix2, ptrdiff_t stride, int h);
;-------------------------------------------------------------------------------------------
;%1 = 8/16
%macro SAD_APPROX_XY2 1
cglobal sad%1_approx_xy2, 5, 5, 7, v, pix1, pix2, stride, h
mova m4, [pb_1]
movu m1, [pix2q]
movu m0, [pix2q+strideq]
movu m3, [pix2q+2*strideq]
%if mmsize == 16
movu m5, [pix2q+1]
movu m6, [pix2q+strideq+1]
movu m2, [pix2q+2*strideq+1]
pavgb m1, m5
pavgb m0, m6
pavgb m3, m2
%else
pavgb m1, [pix2q+1]
pavgb m0, [pix2q+strideq+1]
pavgb m3, [pix2q+2*strideq+1]
%endif
psubusb m0, m4
pavgb m1, m0
pavgb m0, m3
psadbw m1, [pix1q]
psadbw m0, [pix1q+strideq]
paddw m0, m1
mova m1, m3
%if %1 != mmsize
movu m5, [pix2q+8]
movu m6, [pix2q+strideq+8]
movu m7, [pix2q+2*strideq+8]
pavgb m5, [pix2q+1+8]
pavgb m6, [pix2q+strideq+1+8]
pavgb m7, [pix2q+2*strideq+1+8]
psubusb m6, m4
pavgb m5, m6
pavgb m6, m7
psadbw m5, [pix1q+8]
psadbw m6, [pix1q+strideq+8]
paddw m0, m5
paddw m0, m6
mova m5, m7
%endif
add pix2q, strideq
sub hd, 2
align 16
.loop:
lea pix1q, [pix1q+2*strideq]
lea pix2q, [pix2q+2*strideq]
movu m2, [pix2q]
movu m3, [pix2q+strideq]
%if mmsize == 16
movu m5, [pix2q+1]
movu m6, [pix2q+strideq+1]
pavgb m2, m5
pavgb m3, m6
%else
pavgb m2, [pix2q+1]
pavgb m3, [pix2q+strideq+1]
%endif
psubusb m2, m4
pavgb m1, m2
pavgb m2, m3
psadbw m1, [pix1q]
psadbw m2, [pix1q+strideq]
paddw m0, m1
paddw m0, m2
mova m1, m3
%if %1 != mmsize
movu m6, [pix2q+8]
movu m7, [pix2q+strideq+8]
pavgb m6, [pix2q+8+1]
pavgb m7, [pix2q+strideq+8+1]
psubusb m6, m4
pavgb m5, m6
pavgb m6, m7
psadbw m5, [pix1q+8]
psadbw m6, [pix1q+strideq+8]
paddw m0, m5
paddw m0, m6
mova m5, m7
%endif
sub hd, 2
jg .loop
%if mmsize == 16
movhlps m1, m0
paddw m0, m1
%endif
movd eax, m0
RET
%endmacro
INIT_MMX mmxext
SAD_APPROX_XY2 8
SAD_APPROX_XY2 16
INIT_XMM sse2
SAD_APPROX_XY2 16
;--------------------------------------------------------------------
;int ff_vsad_intra(MpegEncContext *v, uint8_t *pix1, uint8_t *pix2,
; ptrdiff_t line_size, int h);
;--------------------------------------------------------------------
; %1 = 8/16
%macro VSAD_INTRA 1
cglobal vsad_intra%1, 5, 5, 3, v, pix1, pix2, lsize, h
mova m0, [pix1q]
%if %1 == mmsize
mova m2, [pix1q+lsizeq]
psadbw m0, m2
%else
mova m2, [pix1q+lsizeq]
mova m3, [pix1q+8]
mova m4, [pix1q+lsizeq+8]
psadbw m0, m2
psadbw m3, m4
paddw m0, m3
%endif
sub hd, 2
.loop:
lea pix1q, [pix1q + 2*lsizeq]
%if %1 == mmsize
mova m1, [pix1q]
psadbw m2, m1
paddw m0, m2
mova m2, [pix1q+lsizeq]
psadbw m1, m2
paddw m0, m1
%else
mova m1, [pix1q]
mova m3, [pix1q+8]
psadbw m2, m1
psadbw m4, m3
paddw m0, m2
paddw m0, m4
mova m2, [pix1q+lsizeq]
mova m4, [pix1q+lsizeq+8]
psadbw m1, m2
psadbw m3, m4
paddw m0, m1
paddw m0, m3
%endif
sub hd, 2
jg .loop
%if mmsize == 16
pshufd m1, m0, 0xe
paddd m0, m1
%endif
movd eax, m0
RET
%endmacro
INIT_MMX mmxext
VSAD_INTRA 8
VSAD_INTRA 16
INIT_XMM sse2
VSAD_INTRA 16
;---------------------------------------------------------------------
;int ff_vsad_approx(MpegEncContext *v, uint8_t *pix1, uint8_t *pix2,
; ptrdiff_t line_size, int h);
;---------------------------------------------------------------------
; %1 = 8/16
%macro VSAD_APPROX 1
cglobal vsad%1_approx, 5, 5, 5, v, pix1, pix2, lsize, h
mova m1, [pb_80]
mova m0, [pix1q]
%if %1 == mmsize ; vsad8_mmxext, vsad16_sse2
mova m4, [pix1q+lsizeq]
%if mmsize == 16
movu m3, [pix2q]
movu m2, [pix2q+lsizeq]
psubb m0, m3
psubb m4, m2
%else
psubb m0, [pix2q]
psubb m4, [pix2q+lsizeq]
%endif
pxor m0, m1
pxor m4, m1
psadbw m0, m4
%else ; vsad16_mmxext
mova m3, [pix1q+8]
psubb m0, [pix2q]
psubb m3, [pix2q+8]
pxor m0, m1
pxor m3, m1
mova m4, [pix1q+lsizeq]
mova m5, [pix1q+lsizeq+8]
psubb m4, [pix2q+lsizeq]
psubb m5, [pix2q+lsizeq+8]
pxor m4, m1
pxor m5, m1
psadbw m0, m4
psadbw m3, m5
paddw m0, m3
%endif
sub hd, 2
.loop:
lea pix1q, [pix1q + 2*lsizeq]
lea pix2q, [pix2q + 2*lsizeq]
mova m2, [pix1q]
%if %1 == mmsize ; vsad8_mmxext, vsad16_sse2
%if mmsize == 16
movu m3, [pix2q]
psubb m2, m3
%else
psubb m2, [pix2q]
%endif
pxor m2, m1
psadbw m4, m2
paddw m0, m4
mova m4, [pix1q+lsizeq]
movu m3, [pix2q+lsizeq]
psubb m4, m3
pxor m4, m1
psadbw m2, m4
paddw m0, m2
%else ; vsad16_mmxext
mova m3, [pix1q+8]
psubb m2, [pix2q]
psubb m3, [pix2q+8]
pxor m2, m1
pxor m3, m1
psadbw m4, m2
psadbw m5, m3
paddw m0, m4
paddw m0, m5
mova m4, [pix1q+lsizeq]
mova m5, [pix1q+lsizeq+8]
psubb m4, [pix2q+lsizeq]
psubb m5, [pix2q+lsizeq+8]
pxor m4, m1
pxor m5, m1
psadbw m2, m4
psadbw m3, m5
paddw m0, m2
paddw m0, m3
%endif
sub hd, 2
jg .loop
%if mmsize == 16
pshufd m1, m0, 0xe
paddd m0, m1
%endif
movd eax, m0
RET
%endmacro
INIT_MMX mmxext
VSAD_APPROX 8
VSAD_APPROX 16
INIT_XMM sse2
VSAD_APPROX 16
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