;***************************************************************************** ;* MMX/SSE2/AVX-optimized 10-bit H.264 chroma MC 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 "libavutil/x86/x86util.asm" SECTION_RODATA cextern pw_4 cextern pw_8 cextern pw_32 cextern pw_64 SECTION .text %macro MV0_PIXELS_MC8 0 lea r4, [r2*3 ] lea r5, [r2*4 ] .next4rows: movu m0, [r1 ] movu m1, [r1+r2 ] CHROMAMC_AVG m0, [r0 ] CHROMAMC_AVG m1, [r0+r2 ] mova [r0 ], m0 mova [r0+r2 ], m1 movu m0, [r1+r2*2] movu m1, [r1+r4 ] CHROMAMC_AVG m0, [r0+r2*2] CHROMAMC_AVG m1, [r0+r4 ] mova [r0+r2*2], m0 mova [r0+r4 ], m1 add r1, r5 add r0, r5 sub r3d, 4 jne .next4rows %endmacro ;----------------------------------------------------------------------------- ; void ff_put/avg_h264_chroma_mc8(pixel *dst, pixel *src, int stride, int h, ; int mx, int my) ;----------------------------------------------------------------------------- %macro CHROMA_MC8 1 cglobal %1_h264_chroma_mc8_10, 6,7,8 movsxdifnidn r2, r2d 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: mov r6d, 2 test r5d, r5d je .x_interpolation mov r6, r2 ; dxy = x ? 1 : stride test r4d, r4d jne .xy_interpolation .x_interpolation: ; mx == 0 XOR my == 0 - 1 dimensional filter only or r4d, r5d ; x + y movd m5, r4d mova m4, [pw_8] mova m6, [pw_4] ; mm6 = rnd >> 3 SPLATW m5, m5 ; mm5 = B = x psubw m4, m5 ; mm4 = A = 8-x .next1drow: movu m0, [r1 ] ; mm0 = src[0..7] movu m2, [r1+r6] ; mm2 = src[1..8] pmullw m0, m4 ; mm0 = A * src[0..7] pmullw m2, m5 ; mm2 = B * src[1..8] paddw m0, m6 paddw m0, m2 psrlw m0, 3 CHROMAMC_AVG m0, [r0] mova [r0], m0 ; dst[0..7] = (A * src[0..7] + B * src[1..8] + (rnd >> 3)) >> 3 add r0, r2 add r1, r2 dec r3d jne .next1drow REP_RET .xy_interpolation: ; general case, bilinear movd m4, r4m ; x movd m6, r5m ; y SPLATW m4, m4 ; mm4 = x words SPLATW m6, m6 ; mm6 = y words psllw m5, m4, 3 ; mm5 = 8x pmullw m4, m6 ; mm4 = x * y psllw m6, 3 ; mm6 = 8y paddw m1, m5, m6 ; mm7 = 8x+8y mova m7, m4 ; DD = x * y psubw m5, m4 ; mm5 = B = 8x - xy psubw m6, m4 ; mm6 = C = 8y - xy paddw m4, [pw_64] psubw m4, m1 ; mm4 = A = xy - (8x+8y) + 64 movu m0, [r1 ] ; mm0 = src[0..7] movu m1, [r1+2] ; mm1 = src[1..8] .next2drow: add r1, r2 pmullw m2, m0, m4 pmullw m1, m5 paddw m2, m1 ; mm2 = A * src[0..7] + B * src[1..8] movu m0, [r1] movu m1, [r1+2] pmullw m3, m0, m6 paddw m2, m3 ; mm2 += C * src[0..7+strde] pmullw m3, m1, m7 paddw m2, m3 ; mm2 += D * src[1..8+strde] paddw m2, [pw_32] psrlw m2, 6 CHROMAMC_AVG m2, [r0] mova [r0], m2 ; dst[0..7] = (mm2 + 32) >> 6 add r0, r2 dec r3d jne .next2drow REP_RET %endmacro ;----------------------------------------------------------------------------- ; void ff_put/avg_h264_chroma_mc4(pixel *dst, pixel *src, int stride, int h, ; int mx, int my) ;----------------------------------------------------------------------------- ;TODO: xmm mc4 %macro MC4_OP 2 movq %1, [r1 ] movq m1, [r1+2] add r1, r2 pmullw %1, m4 pmullw m1, m2 paddw m1, %1 mova %1, m1 pmullw %2, m5 pmullw m1, m3 paddw %2, [pw_32] paddw m1, %2 psrlw m1, 6 CHROMAMC_AVG m1, %2, [r0] movq [r0], m1 add r0, r2 %endmacro %macro CHROMA_MC4 1 cglobal %1_h264_chroma_mc4_10, 6,6,7 movsxdifnidn r2, r2d movd m2, r4m ; x movd m3, r5m ; y mova m4, [pw_8] mova m5, m4 SPLATW m2, m2 SPLATW m3, m3 psubw m4, m2 psubw m5, m3 movq m0, [r1 ] movq m6, [r1+2] add r1, r2 pmullw m0, m4 pmullw m6, m2 paddw m6, m0 .next2rows: MC4_OP m0, m6 MC4_OP m6, m0 sub r3d, 2 jnz .next2rows REP_RET %endmacro ;----------------------------------------------------------------------------- ; void ff_put/avg_h264_chroma_mc2(pixel *dst, pixel *src, int stride, int h, ; int mx, int my) ;----------------------------------------------------------------------------- %macro CHROMA_MC2 1 cglobal %1_h264_chroma_mc2_10, 6,7 movsxdifnidn r2, r2d 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 pshufw m2, [r1], 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] pshufw m0, [r1], 0x94 ; mm0 = src[0,1,1,2] movq m2, m0 pmaddwd m0, m6 paddw m1, [pw_32] paddw m1, m0 ; mm1 += C * src[0,1] + D * src[1,2] psrlw m1, 6 packssdw m1, m7 CHROMAMC_AVG m1, m3, [r0] movd [r0], m1 add r0, r2 dec r3d jnz .nextrow REP_RET %endmacro %macro NOTHING 2-3 %endmacro %macro AVG 2-3 %if %0==3 movq %2, %3 %endif pavgw %1, %2 %endmacro %define CHROMAMC_AVG NOTHING INIT_XMM sse2 CHROMA_MC8 put INIT_XMM avx CHROMA_MC8 put INIT_MMX mmxext CHROMA_MC4 put CHROMA_MC2 put %define CHROMAMC_AVG AVG INIT_XMM sse2 CHROMA_MC8 avg INIT_XMM avx CHROMA_MC8 avg INIT_MMX mmxext CHROMA_MC4 avg CHROMA_MC2 avg