;****************************************************************************** ;* FLAC DSP SIMD optimizations ;* ;* Copyright (C) 2014 Loren Merritt ;* Copyright (C) 2014 James Almer ;* ;* 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 .text %macro PMACSDQL 5 %if cpuflag(xop) pmacsdql %1, %2, %3, %1 %else pmuldq %2, %3 paddq %1, %2 %endif %endmacro %macro LPC_32 1 INIT_XMM %1 cglobal flac_lpc_32, 5,6,5, decoded, coeffs, pred_order, qlevel, len, j sub lend, pred_orderd jle .ret lea decodedq, [decodedq+pred_orderq*4-8] lea coeffsq, [coeffsq+pred_orderq*4] neg pred_orderq movd m4, qlevelm ALIGN 16 .loop_sample: movd m0, [decodedq+pred_orderq*4+8] add decodedq, 8 movd m1, [coeffsq+pred_orderq*4] pxor m2, m2 pxor m3, m3 lea jq, [pred_orderq+1] test jq, jq jz .end_order .loop_order: PMACSDQL m2, m0, m1, m2, m0 movd m0, [decodedq+jq*4] PMACSDQL m3, m1, m0, m3, m1 movd m1, [coeffsq+jq*4] inc jq jl .loop_order .end_order: PMACSDQL m2, m0, m1, m2, m0 psrlq m2, m4 movd m0, [decodedq] paddd m0, m2 movd [decodedq], m0 sub lend, 2 jl .ret PMACSDQL m3, m1, m0, m3, m1 psrlq m3, m4 movd m1, [decodedq+4] paddd m1, m3 movd [decodedq+4], m1 jg .loop_sample .ret: REP_RET %endmacro %if HAVE_XOP_EXTERNAL LPC_32 xop %endif LPC_32 sse4 ;---------------------------------------------------------------------------------- ;void ff_flac_decorrelate_[lrm]s_16_sse2(uint8_t **out, int32_t **in, int channels, ; int len, int shift); ;---------------------------------------------------------------------------------- %macro FLAC_DECORRELATE_16 3-4 cglobal flac_decorrelate_%1_16, 2, 4, 4, out, in0, in1, len %if ARCH_X86_32 mov lend, lenm %endif movd m3, r4m shl lend, 2 mov in1q, [in0q + gprsize] mov in0q, [in0q] mov outq, [outq] add in1q, lenq add in0q, lenq add outq, lenq neg lenq align 16 .loop: mova m0, [in0q + lenq] mova m1, [in1q + lenq] %ifidn %1, ms psrad m2, m1, 1 psubd m0, m2 %endif %ifnidn %1, indep2 p%4d m2, m0, m1 %endif packssdw m%2, m%2 packssdw m%3, m%3 punpcklwd m%2, m%3 psllw m%2, m3 mova [outq + lenq], m%2 add lenq, 16 jl .loop REP_RET %endmacro INIT_XMM sse2 FLAC_DECORRELATE_16 ls, 0, 2, sub FLAC_DECORRELATE_16 rs, 2, 1, add FLAC_DECORRELATE_16 ms, 2, 0, add ;---------------------------------------------------------------------------------- ;void ff_flac_decorrelate_[lrm]s_32_sse2(uint8_t **out, int32_t **in, int channels, ; int len, int shift); ;---------------------------------------------------------------------------------- %macro FLAC_DECORRELATE_32 5 cglobal flac_decorrelate_%1_32, 2, 4, 4, out, in0, in1, len %if ARCH_X86_32 mov lend, lenm %endif movd m3, r4m mov in1q, [in0q + gprsize] mov in0q, [in0q] mov outq, [outq] sub in1q, in0q align 16 .loop: mova m0, [in0q] mova m1, [in0q + in1q] %ifidn %1, ms psrad m2, m1, 1 psubd m0, m2 %endif p%5d m2, m0, m1 pslld m%2, m3 pslld m%3, m3 SBUTTERFLY dq, %2, %3, %4 mova [outq ], m%2 mova [outq + mmsize], m%3 add in0q, mmsize add outq, mmsize*2 sub lend, mmsize/4 jg .loop REP_RET %endmacro INIT_XMM sse2 FLAC_DECORRELATE_32 ls, 0, 2, 1, sub FLAC_DECORRELATE_32 rs, 2, 1, 0, add FLAC_DECORRELATE_32 ms, 2, 0, 1, add ;----------------------------------------------------------------------------------------- ;void ff_flac_decorrelate_indep<ch>_<bps>_<opt>(uint8_t **out, int32_t **in, int channels, ; int len, int shift); ;----------------------------------------------------------------------------------------- ;%1 = bps ;%2 = channels ;%3 = last xmm reg used ;%4 = word/dword (shift instruction) %macro FLAC_DECORRELATE_INDEP 4 %define REPCOUNT %2/(32/%1) ; 16bits = channels / 2; 32bits = channels cglobal flac_decorrelate_indep%2_%1, 2, %2+2, %3+1, out, in0, in1, len, in2, in3, in4, in5, in6, in7 %if ARCH_X86_32 %if %2 == 6 DEFINE_ARGS out, in0, in1, in2, in3, in4, in5 %define lend dword r3m %else mov lend, lenm %endif %endif movd m%3, r4m %assign %%i 1 %rep %2-1 mov in %+ %%i %+ q, [in0q+%%i*gprsize] %assign %%i %%i+1 %endrep mov in0q, [in0q] mov outq, [outq] %assign %%i 1 %rep %2-1 sub in %+ %%i %+ q, in0q %assign %%i %%i+1 %endrep align 16 .loop: mova m0, [in0q] %assign %%i 1 %rep REPCOUNT-1 mova m %+ %%i, [in0q + in %+ %%i %+ q] %assign %%i %%i+1 %endrep %if %1 == 32 %if %2 == 8 TRANSPOSE8x4D 0, 1, 2, 3, 4, 5, 6, 7, 8 %elif %2 == 6 SBUTTERFLY dq, 0, 1, 6 SBUTTERFLY dq, 2, 3, 6 SBUTTERFLY dq, 4, 5, 6 punpcklqdq m6, m0, m2 punpckhqdq m2, m4 shufps m4, m0, 0xe4 punpcklqdq m0, m1, m3 punpckhqdq m3, m5 shufps m5, m1, 0xe4 SWAP 0,6,1,4,5,3 %elif %2 == 4 TRANSPOSE4x4D 0, 1, 2, 3, 4 %else ; %2 == 2 SBUTTERFLY dq, 0, 1, 2 %endif %else ; %1 == 16 %if %2 == 8 packssdw m0, [in0q + in4q] packssdw m1, [in0q + in5q] packssdw m2, [in0q + in6q] packssdw m3, [in0q + in7q] TRANSPOSE2x4x4W 0, 1, 2, 3, 4 %elif %2 == 6 packssdw m0, [in0q + in3q] packssdw m1, [in0q + in4q] packssdw m2, [in0q + in5q] pshufd m3, m0, q1032 punpcklwd m0, m1 punpckhwd m1, m2 punpcklwd m2, m3 shufps m3, m0, m2, q2020 shufps m0, m1, q2031 shufps m2, m1, q3131 shufps m1, m2, m3, q3120 shufps m3, m0, q0220 shufps m0, m2, q3113 SWAP 2, 0, 3 %else ; %2 == 4 packssdw m0, [in0q + in2q] packssdw m1, [in0q + in3q] SBUTTERFLY wd, 0, 1, 2 SBUTTERFLY dq, 0, 1, 2 %endif %endif %assign %%i 0 %rep REPCOUNT psll%4 m %+ %%i, m%3 %assign %%i %%i+1 %endrep %assign %%i 0 %rep REPCOUNT mova [outq + %%i*mmsize], m %+ %%i %assign %%i %%i+1 %endrep add in0q, mmsize add outq, mmsize*REPCOUNT sub lend, mmsize/4 jg .loop REP_RET %endmacro INIT_XMM sse2 FLAC_DECORRELATE_16 indep2, 0, 1 ; Reuse stereo 16bits macro FLAC_DECORRELATE_INDEP 32, 2, 3, d FLAC_DECORRELATE_INDEP 16, 4, 3, w FLAC_DECORRELATE_INDEP 32, 4, 5, d FLAC_DECORRELATE_INDEP 16, 6, 4, w FLAC_DECORRELATE_INDEP 32, 6, 7, d %if ARCH_X86_64 FLAC_DECORRELATE_INDEP 16, 8, 5, w FLAC_DECORRELATE_INDEP 32, 8, 9, d %endif INIT_XMM avx FLAC_DECORRELATE_INDEP 32, 4, 5, d FLAC_DECORRELATE_INDEP 32, 6, 7, d %if ARCH_X86_64 FLAC_DECORRELATE_INDEP 16, 8, 5, w FLAC_DECORRELATE_INDEP 32, 8, 9, d %endif