;****************************************************************************** ;* MMX/SSSE3-optimized functions for H264 chroma MC ;* Copyright (c) 2005 Zoltan Hidvegi , ;* 2005-2008 Loren Merritt ;* ;* 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 "libavutil/x86/x86util.asm" SECTION_RODATA rnd_rv40_2d_tbl: times 4 dw 0 times 4 dw 16 times 4 dw 32 times 4 dw 16 times 4 dw 32 times 4 dw 28 times 4 dw 32 times 4 dw 28 times 4 dw 0 times 4 dw 32 times 4 dw 16 times 4 dw 32 times 4 dw 32 times 4 dw 28 times 4 dw 32 times 4 dw 28 rnd_rv40_1d_tbl: times 4 dw 0 times 4 dw 2 times 4 dw 4 times 4 dw 2 times 4 dw 4 times 4 dw 3 times 4 dw 4 times 4 dw 3 times 4 dw 0 times 4 dw 4 times 4 dw 2 times 4 dw 4 times 4 dw 4 times 4 dw 3 times 4 dw 4 times 4 dw 3 cextern pw_3 cextern pw_4 cextern pw_8 cextern pw_28 cextern pw_32 cextern pw_64 SECTION .text %macro mv0_pixels_mc8 0 lea r4, [r2*2 ] .next4rows: movq mm0, [r1 ] movq mm1, [r1+r2] add r1, r4 CHROMAMC_AVG mm0, [r0 ] CHROMAMC_AVG mm1, [r0+r2] movq [r0 ], mm0 movq [r0+r2], mm1 add r0, r4 movq mm0, [r1 ] movq mm1, [r1+r2] add r1, r4 CHROMAMC_AVG mm0, [r0 ] CHROMAMC_AVG mm1, [r0+r2] movq [r0 ], mm0 movq [r0+r2], mm1 add r0, r4 sub r3d, 4 jne .next4rows %endmacro %macro chroma_mc8_mmx_func 3 %ifidn %2, rv40 %ifdef PIC %define rnd_1d_rv40 r8 %define rnd_2d_rv40 r8 %define extra_regs 2 %else ; no-PIC %define rnd_1d_rv40 rnd_rv40_1d_tbl %define rnd_2d_rv40 rnd_rv40_2d_tbl %define extra_regs 1 %endif ; PIC %else %define extra_regs 0 %endif ; rv40 ; put/avg_h264_chroma_mc8_mmx_*(uint8_t *dst /*align 8*/, uint8_t *src /*align 1*/, ; int stride, int h, int mx, int my) cglobal %1_%2_chroma_mc8_%3, 6, 7 + extra_regs, 0 %if ARCH_X86_64 movsxd r2, r2d %endif mov r6d, r5d or r6d, r4d jne .at_least_one_non_zero ; mx == 0 AND my == 0 - no filter needed mv0_pixels_mc8 REP_RET .at_least_one_non_zero: %ifidn %2, rv40 %if ARCH_X86_64 mov r7, r5 and r7, 6 ; &~1 for mx/my=[0,7] lea r7, [r7*4+r4] sar r7d, 1 %define rnd_bias r7 %define dest_reg r0 %else ; x86-32 mov r0, r5 and r0, 6 ; &~1 for mx/my=[0,7] lea r0, [r0*4+r4] sar r0d, 1 %define rnd_bias r0 %define dest_reg r5 %endif %else ; vc1, h264 %define rnd_bias 0 %define dest_reg r0 %endif test r5d, r5d mov r6, 1 je .my_is_zero test r4d, r4d mov r6, r2 ; dxy = x ? 1 : stride jne .both_non_zero .my_is_zero: ; mx == 0 XOR my == 0 - 1 dimensional filter only or r4d, r5d ; x + y %ifidn %2, rv40 %ifdef PIC lea r8, [rnd_rv40_1d_tbl] %endif %if ARCH_X86_64 == 0 mov r5, r0m %endif %endif movd m5, r4d movq m4, [pw_8] movq m6, [rnd_1d_%2+rnd_bias*8] ; mm6 = rnd >> 3 punpcklwd m5, m5 punpckldq m5, m5 ; mm5 = B = x pxor m7, m7 psubw m4, m5 ; mm4 = A = 8-x .next1drow: movq m0, [r1 ] ; mm0 = src[0..7] movq m2, [r1+r6] ; mm1 = src[1..8] movq m1, m0 movq m3, m2 punpcklbw m0, m7 punpckhbw m1, m7 punpcklbw m2, m7 punpckhbw m3, m7 pmullw m0, m4 ; [mm0,mm1] = A * src[0..7] pmullw m1, m4 pmullw m2, m5 ; [mm2,mm3] = B * src[1..8] pmullw m3, m5 paddw m0, m6 paddw m1, m6 paddw m0, m2 paddw m1, m3 psrlw m0, 3 psrlw m1, 3 packuswb m0, m1 CHROMAMC_AVG m0, [dest_reg] movq [dest_reg], m0 ; dst[0..7] = (A * src[0..7] + B * src[1..8] + (rnd >> 3)) >> 3 add dest_reg, r2 add r1, r2 dec r3d jne .next1drow REP_RET .both_non_zero: ; general case, bilinear movd m4, r4d ; x movd m6, r5d ; y %ifidn %2, rv40 %ifdef PIC lea r8, [rnd_rv40_2d_tbl] %endif %if ARCH_X86_64 == 0 mov r5, r0m %endif %endif mov r6, rsp ; backup stack pointer and rsp, ~(mmsize-1) ; align stack sub rsp, 16 ; AA and DD punpcklwd m4, m4 punpcklwd m6, m6 punpckldq m4, m4 ; mm4 = x words punpckldq m6, m6 ; mm6 = y words movq m5, m4 pmullw m4, m6 ; mm4 = x * y psllw m5, 3 psllw m6, 3 movq m7, m5 paddw m7, m6 movq [rsp+8], m4 ; DD = x * y psubw m5, m4 ; mm5 = B = 8x - xy psubw m6, m4 ; mm6 = C = 8y - xy paddw m4, [pw_64] psubw m4, m7 ; mm4 = A = xy - (8x+8y) + 64 pxor m7, m7 movq [rsp ], m4 movq m0, [r1 ] ; mm0 = src[0..7] movq m1, [r1+1] ; mm1 = src[1..8] .next2drow: add r1, r2 movq m2, m0 movq m3, m1 punpckhbw m0, m7 punpcklbw m1, m7 punpcklbw m2, m7 punpckhbw m3, m7 pmullw m0, [rsp] pmullw m2, [rsp] pmullw m1, m5 pmullw m3, m5 paddw m2, m1 ; mm2 = A * src[0..3] + B * src[1..4] paddw m3, m0 ; mm3 = A * src[4..7] + B * src[5..8] movq m0, [r1] movq m1, m0 punpcklbw m0, m7 punpckhbw m1, m7 pmullw m0, m6 pmullw m1, m6 paddw m2, m0 paddw m3, m1 ; [mm2,mm3] += C * src[0..7] movq m1, [r1+1] movq m0, m1 movq m4, m1 punpcklbw m0, m7 punpckhbw m4, m7 pmullw m0, [rsp+8] pmullw m4, [rsp+8] paddw m2, m0 paddw m3, m4 ; [mm2,mm3] += D * src[1..8] movq m0, [r1] paddw m2, [rnd_2d_%2+rnd_bias*8] paddw m3, [rnd_2d_%2+rnd_bias*8] psrlw m2, 6 psrlw m3, 6 packuswb m2, m3 CHROMAMC_AVG m2, [dest_reg] movq [dest_reg], m2 ; dst[0..7] = ([mm2,mm3] + rnd) >> 6 add dest_reg, r2 dec r3d jne .next2drow mov rsp, r6 ; restore stack pointer RET %endmacro %macro chroma_mc4_mmx_func 3 %define extra_regs 0 %ifidn %2, rv40 %ifdef PIC %define extra_regs 1 %endif ; PIC %endif ; rv40 cglobal %1_%2_chroma_mc4_%3, 6, 6 + extra_regs, 0 %if ARCH_X86_64 movsxd r2, r2d %endif pxor m7, m7 movd m2, r4d ; x movd m3, r5d ; y movq m4, [pw_8] movq m5, [pw_8] punpcklwd m2, m2 punpcklwd m3, m3 punpcklwd m2, m2 punpcklwd m3, m3 psubw m4, m2 psubw m5, m3 %ifidn %2, rv40 %ifdef PIC lea r6, [rnd_rv40_2d_tbl] %define rnd_2d_rv40 r6 %else %define rnd_2d_rv40 rnd_rv40_2d_tbl %endif and r5, 6 ; &~1 for mx/my=[0,7] lea r5, [r5*4+r4] sar r5d, 1 %define rnd_bias r5 %else ; vc1, h264 %define rnd_bias 0 %endif movd m0, [r1 ] movd m6, [r1+1] add r1, r2 punpcklbw m0, m7 punpcklbw m6, m7 pmullw m0, m4 pmullw m6, m2 paddw m6, m0 .next2rows: movd m0, [r1 ] movd m1, [r1+1] add r1, r2 punpcklbw m0, m7 punpcklbw m1, m7 pmullw m0, m4 pmullw m1, m2 paddw m1, m0 movq m0, m1 pmullw m6, m5 pmullw m1, m3 paddw m6, [rnd_2d_%2+rnd_bias*8] paddw m1, m6 psrlw m1, 6 packuswb m1, m1 CHROMAMC_AVG4 m1, m6, [r0] movd [r0], m1 add r0, r2 movd m6, [r1 ] movd m1, [r1+1] add r1, r2 punpcklbw m6, m7 punpcklbw m1, m7 pmullw m6, m4 pmullw m1, m2 paddw m1, m6 movq m6, m1 pmullw m0, m5 pmullw m1, m3 paddw m0, [rnd_2d_%2+rnd_bias*8] paddw m1, m0 psrlw m1, 6 packuswb m1, m1 CHROMAMC_AVG4 m1, m0, [r0] movd [r0], m1 add r0, r2 sub r3d, 2 jnz .next2rows REP_RET %endmacro %macro chroma_mc2_mmx_func 3 cglobal %1_%2_chroma_mc2_%3, 6, 7, 0 %if ARCH_X86_64 movsxd r2, r2d %endif mov r6d, r4d shl r4d, 16 sub r4d, r6d add r4d, 8 imul r5d, r4d ; x*y<<16 | y*(8-x) shl r4d, 3 sub r4d, r5d ; x*(8-y)<<16 | (8-x)*(8-y) movd m5, r4d movd m6, r5d punpckldq m5, m5 ; mm5 = {A,B,A,B} punpckldq m6, m6 ; mm6 = {C,D,C,D} pxor m7, m7 movd m2, [r1] punpcklbw m2, m7 pshufw m2, m2, 0x94 ; mm0 = src[0,1,1,2] .nextrow: add r1, r2 movq m1, m2 pmaddwd m1, m5 ; mm1 = A * src[0,1] + B * src[1,2] movd m0, [r1] punpcklbw m0, m7 pshufw m0, m0, 0x94 ; mm0 = src[0,1,1,2] movq m2, m0 pmaddwd m0, m6 paddw m1, [rnd_2d_%2] paddw m1, m0 ; mm1 += C * src[0,1] + D * src[1,2] psrlw m1, 6 packssdw m1, m7 packuswb m1, m7 CHROMAMC_AVG4 m1, m3, [r0] movd r5d, m1 mov [r0], r5w add r0, r2 sub r3d, 1 jnz .nextrow REP_RET %endmacro %define rnd_1d_h264 pw_4 %define rnd_2d_h264 pw_32 %define rnd_1d_vc1 pw_3 %define rnd_2d_vc1 pw_28 %macro NOTHING 2-3 %endmacro %macro DIRECT_AVG 2 PAVG %1, %2 %endmacro %macro COPY_AVG 3 movd %2, %3 PAVG %1, %2 %endmacro INIT_MMX %define CHROMAMC_AVG NOTHING %define CHROMAMC_AVG4 NOTHING chroma_mc8_mmx_func put, h264, rnd_mmx chroma_mc8_mmx_func put, vc1, nornd_mmx chroma_mc8_mmx_func put, rv40, mmx chroma_mc4_mmx_func put, h264, mmx chroma_mc4_mmx_func put, rv40, mmx chroma_mc2_mmx_func put, h264, mmx2 %define CHROMAMC_AVG DIRECT_AVG %define CHROMAMC_AVG4 COPY_AVG %define PAVG pavgb chroma_mc8_mmx_func avg, h264, rnd_mmx2 chroma_mc8_mmx_func avg, vc1, nornd_mmx2 chroma_mc8_mmx_func avg, rv40, mmx2 chroma_mc4_mmx_func avg, h264, mmx2 chroma_mc4_mmx_func avg, rv40, mmx2 chroma_mc2_mmx_func avg, h264, mmx2 %define PAVG pavgusb chroma_mc8_mmx_func avg, h264, rnd_3dnow chroma_mc8_mmx_func avg, vc1, nornd_3dnow chroma_mc8_mmx_func avg, rv40, 3dnow chroma_mc4_mmx_func avg, h264, 3dnow chroma_mc4_mmx_func avg, rv40, 3dnow %macro chroma_mc8_ssse3_func 3 cglobal %1_%2_chroma_mc8_%3, 6, 7, 8 %if ARCH_X86_64 movsxd r2, r2d %endif mov r6d, r5d or r6d, r4d jne .at_least_one_non_zero ; mx == 0 AND my == 0 - no filter needed mv0_pixels_mc8 REP_RET .at_least_one_non_zero: test r5d, r5d je .my_is_zero test r4d, r4d je .mx_is_zero ; general case, bilinear mov r6d, r4d shl r4d, 8 sub r4, r6 mov r6, 8 add r4, 8 ; x*288+8 = x<<8 | (8-x) sub r6d, r5d imul r6, r4 ; (8-y)*(x*255+8) = (8-y)*x<<8 | (8-y)*(8-x) imul r4d, r5d ; y *(x*255+8) = y *x<<8 | y *(8-x) movd m7, r6d movd m6, r4d movdqa m5, [rnd_2d_%2] movq m0, [r1 ] movq m1, [r1+1] pshuflw m7, m7, 0 pshuflw m6, m6, 0 punpcklbw m0, m1 movlhps m7, m7 movlhps m6, m6 .next2rows: movq m1, [r1+r2*1 ] movq m2, [r1+r2*1+1] movq m3, [r1+r2*2 ] movq m4, [r1+r2*2+1] lea r1, [r1+r2*2] punpcklbw m1, m2 movdqa m2, m1 punpcklbw m3, m4 movdqa m4, m3 pmaddubsw m0, m7 pmaddubsw m1, m6 pmaddubsw m2, m7 pmaddubsw m3, m6 paddw m0, m5 paddw m2, m5 paddw m1, m0 paddw m3, m2 psrlw m1, 6 movdqa m0, m4 psrlw m3, 6 %ifidn %1, avg movq m2, [r0 ] movhps m2, [r0+r2] %endif packuswb m1, m3 CHROMAMC_AVG m1, m2 movq [r0 ], m1 movhps [r0+r2], m1 sub r3d, 2 lea r0, [r0+r2*2] jg .next2rows REP_RET .my_is_zero: mov r5d, r4d shl r4d, 8 add r4, 8 sub r4, r5 ; 255*x+8 = x<<8 | (8-x) movd m7, r4d movdqa m6, [rnd_1d_%2] pshuflw m7, m7, 0 movlhps m7, m7 .next2xrows: movq m0, [r1 ] movq m1, [r1 +1] movq m2, [r1+r2 ] movq m3, [r1+r2+1] punpcklbw m0, m1 punpcklbw m2, m3 pmaddubsw m0, m7 pmaddubsw m2, m7 %ifidn %1, avg movq m4, [r0 ] movhps m4, [r0+r2] %endif paddw m0, m6 paddw m2, m6 psrlw m0, 3 psrlw m2, 3 packuswb m0, m2 CHROMAMC_AVG m0, m4 movq [r0 ], m0 movhps [r0+r2], m0 sub r3d, 2 lea r0, [r0+r2*2] lea r1, [r1+r2*2] jg .next2xrows REP_RET .mx_is_zero: mov r4d, r5d shl r5d, 8 add r5, 8 sub r5, r4 ; 255*y+8 = y<<8 | (8-y) movd m7, r5d movdqa m6, [rnd_1d_%2] pshuflw m7, m7, 0 movlhps m7, m7 .next2yrows: movq m0, [r1 ] movq m1, [r1+r2 ] movdqa m2, m1 movq m3, [r1+r2*2] lea r1, [r1+r2*2] punpcklbw m0, m1 punpcklbw m2, m3 pmaddubsw m0, m7 pmaddubsw m2, m7 %ifidn %1, avg movq m4, [r0 ] movhps m4, [r0+r2] %endif paddw m0, m6 paddw m2, m6 psrlw m0, 3 psrlw m2, 3 packuswb m0, m2 CHROMAMC_AVG m0, m4 movq [r0 ], m0 movhps [r0+r2], m0 sub r3d, 2 lea r0, [r0+r2*2] jg .next2yrows REP_RET %endmacro %macro chroma_mc4_ssse3_func 3 cglobal %1_%2_chroma_mc4_%3, 6, 7, 0 %if ARCH_X86_64 movsxd r2, r2d %endif mov r6, r4 shl r4d, 8 sub r4d, r6d mov r6, 8 add r4d, 8 ; x*288+8 sub r6d, r5d imul r6d, r4d ; (8-y)*(x*255+8) = (8-y)*x<<8 | (8-y)*(8-x) imul r4d, r5d ; y *(x*255+8) = y *x<<8 | y *(8-x) movd m7, r6d movd m6, r4d movq m5, [pw_32] movd m0, [r1 ] pshufw m7, m7, 0 punpcklbw m0, [r1+1] pshufw m6, m6, 0 .next2rows: movd m1, [r1+r2*1 ] movd m3, [r1+r2*2 ] punpcklbw m1, [r1+r2*1+1] punpcklbw m3, [r1+r2*2+1] lea r1, [r1+r2*2] movq m2, m1 movq m4, m3 pmaddubsw m0, m7 pmaddubsw m1, m6 pmaddubsw m2, m7 pmaddubsw m3, m6 paddw m0, m5 paddw m2, m5 paddw m1, m0 paddw m3, m2 psrlw m1, 6 movq m0, m4 psrlw m3, 6 packuswb m1, m1 packuswb m3, m3 CHROMAMC_AVG m1, [r0 ] CHROMAMC_AVG m3, [r0+r2] movd [r0 ], m1 movd [r0+r2], m3 sub r3d, 2 lea r0, [r0+r2*2] jg .next2rows REP_RET %endmacro %define CHROMAMC_AVG NOTHING INIT_XMM chroma_mc8_ssse3_func put, h264, rnd_ssse3 chroma_mc8_ssse3_func put, vc1, nornd_ssse3 INIT_MMX chroma_mc4_ssse3_func put, h264, ssse3 %define CHROMAMC_AVG DIRECT_AVG %define PAVG pavgb INIT_XMM chroma_mc8_ssse3_func avg, h264, rnd_ssse3 chroma_mc8_ssse3_func avg, vc1, nornd_ssse3 INIT_MMX chroma_mc4_ssse3_func avg, h264, ssse3