;***************************************************************************** ;* SIMD-optimized motion compensation estimation ;***************************************************************************** ;* Copyright (c) 2000, 2001 Fabrice Bellard ;* Copyright (c) 2002-2004 Michael Niedermayer ;* ;* 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 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, int 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, ; int 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, int 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 movsxdifnidn lsizeq, lsized 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_(MpegEncContext *v, uint8_t *pix1, uint8_t *pix2, int stride, int h); ;--------------------------------------------------------------------------------------- INIT_MMX mmxext cglobal sad8, 5, 5, 0, v, pix1, pix2, stride, h movu m2, [pix2q] movu m1, [pix2q+strideq] psadbw m2, [pix1q] psadbw m1, [pix1q+strideq] paddw m2, m1 sub hd, 2 .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 sub hd, 2 jne .loop movd eax, m2 RET %macro SAD16 0 cglobal sad16, 5, 5, 3, v, pix1, pix2, stride, h pxor m2, m2 align 16 .loop movu m0, [pix2q] movu m1, [pix2q+strideq] psadbw m0, [pix1q] psadbw m1, [pix1q+strideq] paddw m2, m0 paddw m2, m1 %if mmsize == 8 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 lea pix1q, [pix1q+strideq*2] lea pix2q, [pix2q+strideq*2] sub hd, 2 jg .loop %if mmsize == 16 movhlps m0, m2 paddw m2, m0 %endif movd eax, m2 RET %endmacro INIT_MMX mmxext SAD16 INIT_XMM sse2 SAD16 ;------------------------------------------------------------------------------------------ ;int ff_sad_x2_(MpegEncContext *v, uint8_t *pix1, uint8_t *pix2, int stride, int h); ;------------------------------------------------------------------------------------------ INIT_MMX mmxext cglobal sad8_x2, 5, 5, 0, v, pix1, pix2, stride, h movu m0, [pix2q] movu m2, [pix2q+strideq] pavgb m0, [pix2q+1] pavgb m2, [pix2q+strideq+1] psadbw m0, [pix1q] psadbw m2, [pix1q+strideq] paddw m0, m2 sub hd, 2 .loop: lea pix1q, [pix1q+2*strideq] lea pix2q, [pix2q+2*strideq] movu m1, [pix2q] movu m2, [pix2q+strideq] pavgb m1, [pix2q+1] pavgb m2, [pix2q+strideq+1] psadbw m1, [pix1q] psadbw m2, [pix1q+strideq] paddw m0, m1 paddw m0, m2 sub hd, 2 jne .loop movd eax, m0 RET %macro SAD16_X2 0 cglobal sad16_x2, 5, 5, 5, v, pix1, pix2, stride, h pxor m0, m0 align 16 .loop: 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 mmsize == 8 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 lea pix1q, [pix1q+2*strideq] lea pix2q, [pix2q+2*strideq] sub hd, 2 jg .loop %if mmsize == 16 movhlps m1, m0 paddw m0, m1 %endif movd eax, m0 RET %endmacro INIT_MMX mmxext SAD16_X2 INIT_XMM sse2 SAD16_X2 ;------------------------------------------------------------------------------------------ ;int ff_sad_y2_(MpegEncContext *v, uint8_t *pix1, uint8_t *pix2, int stride, int h); ;------------------------------------------------------------------------------------------ INIT_MMX mmxext cglobal sad8_y2, 5, 5, 0, v, pix1, pix2, stride, h movu m1, [pix2q] movu m0, [pix2q+strideq] movu m3, [pix2q+2*strideq] pavgb m1, m0 pavgb m0, m3 add pix2q, strideq psadbw m1, [pix1q] psadbw m0, [pix1q+strideq] paddw m0, m1 mova m1, m3 sub hd, 2 .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 sub hd, 2 jne .loop movd eax, m0 RET %macro SAD16_Y2 0 cglobal sad16_y2, 5, 5, 4, v, pix1, pix2, stride, h movu m1, [pix2q] %if mmsize == 8 movu m4, [pix2q+8] %endif pxor m0, m0 add pix2q, strideq align 16 .loop: 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 mmsize == 8 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 lea pix1q, [pix1q+2*strideq] lea pix2q, [pix2q+2*strideq] sub hd, 2 jg .loop %if mmsize == 16 movhlps m1, m0 paddw m0, m1 %endif movd eax, m0 RET %endmacro INIT_MMX mmxext SAD16_Y2 INIT_XMM sse2 SAD16_Y2 ;------------------------------------------------------------------------------------------- ;int ff_sad_approx_xy2_(MpegEncContext *v, uint8_t *pix1, uint8_t *pix2, int stride, int h); ;------------------------------------------------------------------------------------------- INIT_MMX mmxext cglobal sad8_approx_xy2, 5, 5, 0, v, pix1, pix2, stride, h pxor m0, m0 mova m4, [pb_1] movu m1, [pix2q] movu m0, [pix2q+strideq] movu m3, [pix2q+2*strideq] pavgb m1, [pix2q+1] pavgb m0, [pix2q+strideq+1] pavgb m3, [pix2q+2*strideq+1] psubusb m0, m4 pavgb m1, m0 pavgb m0, m3 add pix2q, strideq psadbw m1, [pix1q] psadbw m0, [pix1q+strideq] paddw m0, m1 mova m1, m3 sub hd, 2 .loop: lea pix1q, [pix1q+2*strideq] lea pix2q, [pix2q+2*strideq] movu m2, [pix2q] movu m3, [pix2q+strideq] pavgb m2, [pix2q+1] pavgb m3, [pix2q+strideq+1] 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 sub hd, 2 jne .loop movd eax, m0 RET %macro SAD16_APPROX_XY2 0 cglobal sad16_approx_xy2, 5, 5, 7, v, pix1, pix2, stride, h pxor m0, m0 mova m4, [pb_1] movu m1, [pix2q] %if mmsize == 16 movu m2, [pix2q+1] pavgb m1, m2 %else movu m5, [pix2q+8] pavgb m1, [pix2q+1] pavgb m5, [pix2q+8+1] %endif add pix2q, strideq align 16 .loop: 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 mmsize == 8 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 lea pix1q, [pix1q+2*strideq] lea pix2q, [pix2q+2*strideq] sub hd, 2 jg .loop %if mmsize == 16 movhlps m1, m0 paddw m0, m1 %endif movd eax, m0 RET %endmacro INIT_MMX mmxext SAD16_APPROX_XY2 INIT_XMM sse2 SAD16_APPROX_XY2