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327 lines
8.0 KiB
327 lines
8.0 KiB
;****************************************************************************** |
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;* FLAC DSP SIMD optimizations |
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;* |
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;* Copyright (C) 2014 Loren Merritt |
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;* Copyright (C) 2014 James Almer |
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;* |
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;* This file is part of FFmpeg. |
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;* |
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;* FFmpeg is free software; you can redistribute it and/or |
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;* modify it under the terms of the GNU Lesser General Public |
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;* License as published by the Free Software Foundation; either |
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;* version 2.1 of the License, or (at your option) any later version. |
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;* |
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;* FFmpeg is distributed in the hope that it will be useful, |
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;* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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;* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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;* Lesser General Public License for more details. |
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;* |
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;* You should have received a copy of the GNU Lesser General Public |
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;* License along with FFmpeg; if not, write to the Free Software |
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;* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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;****************************************************************************** |
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%include "libavutil/x86/x86util.asm" |
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SECTION_RODATA |
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vector: db 0,1,4,5,8,9,12,13,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,0,1,4,5,8,9,12,13, |
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SECTION .text |
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%macro PMACSDQL 5 |
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%if cpuflag(xop) |
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pmacsdql %1, %2, %3, %1 |
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%else |
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pmuldq %2, %3 |
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paddq %1, %2 |
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%endif |
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%endmacro |
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%macro LPC_32 1 |
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INIT_XMM %1 |
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cglobal flac_lpc_32, 5,6,5, decoded, coeffs, pred_order, qlevel, len, j |
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sub lend, pred_orderd |
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jle .ret |
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movsxdifnidn pred_orderq, pred_orderd |
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lea decodedq, [decodedq+pred_orderq*4-8] |
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lea coeffsq, [coeffsq+pred_orderq*4] |
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neg pred_orderq |
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movd m4, qlevelm |
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ALIGN 16 |
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.loop_sample: |
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movd m0, [decodedq+pred_orderq*4+8] |
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add decodedq, 8 |
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movd m1, [coeffsq+pred_orderq*4] |
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pxor m2, m2 |
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pxor m3, m3 |
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lea jq, [pred_orderq+1] |
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test jq, jq |
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jz .end_order |
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.loop_order: |
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PMACSDQL m2, m0, m1, m2, m0 |
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movd m0, [decodedq+jq*4] |
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PMACSDQL m3, m1, m0, m3, m1 |
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movd m1, [coeffsq+jq*4] |
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inc jq |
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jl .loop_order |
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.end_order: |
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PMACSDQL m2, m0, m1, m2, m0 |
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psrlq m2, m4 |
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movd m0, [decodedq] |
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paddd m0, m2 |
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movd [decodedq], m0 |
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sub lend, 2 |
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jl .ret |
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PMACSDQL m3, m1, m0, m3, m1 |
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psrlq m3, m4 |
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movd m1, [decodedq+4] |
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paddd m1, m3 |
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movd [decodedq+4], m1 |
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jg .loop_sample |
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.ret: |
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RET |
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%endmacro |
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%if HAVE_XOP_EXTERNAL |
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LPC_32 xop |
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%endif |
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LPC_32 sse4 |
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;---------------------------------------------------------------------------------- |
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;void ff_flac_decorrelate_[lrm]s_16_sse2(uint8_t **out, int32_t **in, int channels, |
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; int len, int shift); |
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;---------------------------------------------------------------------------------- |
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%macro FLAC_DECORRELATE_16 3-4 |
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cglobal flac_decorrelate_%1_16, 2, 4, 4, out, in0, in1, len |
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%ifidn %1, indep2 |
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VBROADCASTI128 m2, [vector] |
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%endif |
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%if ARCH_X86_32 |
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mov lend, lenm |
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%endif |
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movd m3, r4m |
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shl lend, 2 |
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mov in1q, [in0q + gprsize] |
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mov in0q, [in0q] |
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mov outq, [outq] |
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add in1q, lenq |
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add in0q, lenq |
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add outq, lenq |
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neg lenq |
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align 16 |
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.loop: |
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mova m0, [in0q + lenq] |
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mova m1, [in1q + lenq] |
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%ifidn %1, ms |
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psrad m2, m1, 1 |
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psubd m0, m2 |
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%endif |
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%ifnidn %1, indep2 |
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p%4d m2, m0, m1 |
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packssdw m%2, m%2 |
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packssdw m%3, m%3 |
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punpcklwd m%2, m%3 |
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psllw m%2, m3 |
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%else |
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pslld m%2, m3 |
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pslld m%3, m3 |
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pshufb m%2, m%2, m2 |
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pshufb m%3, m%3, m2 |
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punpcklwd m%2, m%3 |
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%endif |
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mova [outq + lenq], m%2 |
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add lenq, 16 |
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jl .loop |
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RET |
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%endmacro |
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INIT_XMM sse2 |
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FLAC_DECORRELATE_16 ls, 0, 2, sub |
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FLAC_DECORRELATE_16 rs, 2, 1, add |
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FLAC_DECORRELATE_16 ms, 2, 0, add |
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;---------------------------------------------------------------------------------- |
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;void ff_flac_decorrelate_[lrm]s_32_sse2(uint8_t **out, int32_t **in, int channels, |
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; int len, int shift); |
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;---------------------------------------------------------------------------------- |
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%macro FLAC_DECORRELATE_32 5 |
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cglobal flac_decorrelate_%1_32, 2, 4, 4, out, in0, in1, len |
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%if ARCH_X86_32 |
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mov lend, lenm |
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%endif |
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movd m3, r4m |
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mov in1q, [in0q + gprsize] |
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mov in0q, [in0q] |
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mov outq, [outq] |
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sub in1q, in0q |
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align 16 |
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.loop: |
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mova m0, [in0q] |
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mova m1, [in0q + in1q] |
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%ifidn %1, ms |
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psrad m2, m1, 1 |
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psubd m0, m2 |
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%endif |
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p%5d m2, m0, m1 |
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pslld m%2, m3 |
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pslld m%3, m3 |
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SBUTTERFLY dq, %2, %3, %4 |
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mova [outq ], m%2 |
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mova [outq + mmsize], m%3 |
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add in0q, mmsize |
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add outq, mmsize*2 |
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sub lend, mmsize/4 |
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jg .loop |
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RET |
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%endmacro |
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INIT_XMM sse2 |
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FLAC_DECORRELATE_32 ls, 0, 2, 1, sub |
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FLAC_DECORRELATE_32 rs, 2, 1, 0, add |
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FLAC_DECORRELATE_32 ms, 2, 0, 1, add |
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;----------------------------------------------------------------------------------------- |
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;void ff_flac_decorrelate_indep<ch>_<bps>_<opt>(uint8_t **out, int32_t **in, int channels, |
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; int len, int shift); |
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;----------------------------------------------------------------------------------------- |
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;%1 = bps |
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;%2 = channels |
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;%3 = last xmm reg used |
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;%4 = word/dword (shift instruction) |
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%macro FLAC_DECORRELATE_INDEP 4 |
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%define REPCOUNT %2/(32/%1) ; 16bits = channels / 2; 32bits = channels |
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cglobal flac_decorrelate_indep%2_%1, 2, %2+2, %3+1, out, in0, in1, len, in2, in3, in4, in5, in6, in7 |
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%if ARCH_X86_32 |
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%if %2 == 6 |
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DEFINE_ARGS out, in0, in1, in2, in3, in4, in5 |
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%define lend dword r3m |
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%else |
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mov lend, lenm |
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%endif |
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%endif |
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movd m%3, r4m |
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%assign %%i 1 |
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%rep %2-1 |
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mov in %+ %%i %+ q, [in0q+%%i*gprsize] |
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%assign %%i %%i+1 |
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%endrep |
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mov in0q, [in0q] |
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mov outq, [outq] |
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%assign %%i 1 |
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%rep %2-1 |
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sub in %+ %%i %+ q, in0q |
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%assign %%i %%i+1 |
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%endrep |
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align 16 |
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.loop: |
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mova m0, [in0q] |
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%assign %%i 1 |
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%rep REPCOUNT-1 |
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mova m %+ %%i, [in0q + in %+ %%i %+ q] |
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%assign %%i %%i+1 |
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%endrep |
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%if %1 == 32 |
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%if %2 == 8 |
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TRANSPOSE8x4D 0, 1, 2, 3, 4, 5, 6, 7, 8 |
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%elif %2 == 6 |
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SBUTTERFLY dq, 0, 1, 6 |
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SBUTTERFLY dq, 2, 3, 6 |
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SBUTTERFLY dq, 4, 5, 6 |
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punpcklqdq m6, m0, m2 |
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punpckhqdq m2, m4 |
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shufps m4, m0, 0xe4 |
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punpcklqdq m0, m1, m3 |
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punpckhqdq m3, m5 |
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shufps m5, m1, 0xe4 |
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SWAP 0,6,1,4,5,3 |
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%elif %2 == 4 |
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TRANSPOSE4x4D 0, 1, 2, 3, 4 |
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%else ; %2 == 2 |
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SBUTTERFLY dq, 0, 1, 2 |
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%endif |
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%else ; %1 == 16 |
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%if %2 == 8 |
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packssdw m0, [in0q + in4q] |
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packssdw m1, [in0q + in5q] |
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packssdw m2, [in0q + in6q] |
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packssdw m3, [in0q + in7q] |
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TRANSPOSE2x4x4W 0, 1, 2, 3, 4 |
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%elif %2 == 6 |
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packssdw m0, [in0q + in3q] |
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packssdw m1, [in0q + in4q] |
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packssdw m2, [in0q + in5q] |
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pshufd m3, m0, q1032 |
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punpcklwd m0, m1 |
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punpckhwd m1, m2 |
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punpcklwd m2, m3 |
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shufps m3, m0, m2, q2020 |
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shufps m0, m1, q2031 |
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shufps m2, m1, q3131 |
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shufps m1, m2, m3, q3120 |
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shufps m3, m0, q0220 |
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shufps m0, m2, q3113 |
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SWAP 2, 0, 3 |
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%else ; %2 == 4 |
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packssdw m0, [in0q + in2q] |
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packssdw m1, [in0q + in3q] |
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SBUTTERFLY wd, 0, 1, 2 |
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SBUTTERFLY dq, 0, 1, 2 |
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%endif |
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%endif |
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%assign %%i 0 |
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%rep REPCOUNT |
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psll%4 m %+ %%i, m%3 |
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%assign %%i %%i+1 |
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%endrep |
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%assign %%i 0 |
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%rep REPCOUNT |
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mova [outq + %%i*mmsize], m %+ %%i |
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%assign %%i %%i+1 |
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%endrep |
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add in0q, mmsize |
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add outq, mmsize*REPCOUNT |
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sub lend, mmsize/4 |
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jg .loop |
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RET |
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%endmacro |
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INIT_XMM ssse3 |
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FLAC_DECORRELATE_16 indep2, 0, 1 ; Reuse stereo 16bits macro |
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FLAC_DECORRELATE_INDEP 32, 2, 3, d |
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FLAC_DECORRELATE_INDEP 16, 4, 3, w |
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FLAC_DECORRELATE_INDEP 32, 4, 5, d |
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FLAC_DECORRELATE_INDEP 16, 6, 4, w |
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FLAC_DECORRELATE_INDEP 32, 6, 7, d |
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%if ARCH_X86_64 |
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FLAC_DECORRELATE_INDEP 16, 8, 5, w |
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FLAC_DECORRELATE_INDEP 32, 8, 9, d |
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%endif |
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INIT_XMM avx |
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FLAC_DECORRELATE_INDEP 32, 4, 5, d |
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FLAC_DECORRELATE_INDEP 32, 6, 7, d |
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%if ARCH_X86_64 |
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FLAC_DECORRELATE_INDEP 16, 8, 5, w |
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FLAC_DECORRELATE_INDEP 32, 8, 9, d |
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%endif
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