| ;****************************************************************************** |
| ;* SSE-optimized functions for the DCA decoder |
| ;* Copyright (C) 2012-2014 Christophe Gisquet <christophe.gisquet@gmail.com> |
| ;* |
| ;* 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 SETZERO 1 |
| %if cpuflag(sse2) && notcpuflag(avx) |
| pxor %1, %1 |
| %else |
| xorps %1, %1, %1 |
| %endif |
| %endmacro |
| |
| %macro SHUF 3 |
| %if cpuflag(avx) |
| mova %3, [%2 - 16] |
| vperm2f128 %1, %3, %3, 1 |
| vshufps %1, %1, %1, q0123 |
| %elif cpuflag(sse2) |
| pshufd %1, [%2], q0123 |
| %else |
| mova %1, [%2] |
| shufps %1, %1, q0123 |
| %endif |
| %endmacro |
| |
| %macro INNER_LOOP 1 |
| ; reading backwards: ptr1 = synth_buf + j + i; ptr2 = synth_buf + j - i |
| ;~ a += window[i + j] * (-synth_buf[15 - i + j]) |
| ;~ b += window[i + j + 16] * (synth_buf[i + j]) |
| SHUF m5, ptr2 + j + (15 - 3) * 4, m6 |
| mova m6, [ptr1 + j] |
| %if ARCH_X86_64 |
| SHUF m11, ptr2 + j + (15 - 3) * 4 - mmsize, m12 |
| mova m12, [ptr1 + j + mmsize] |
| %endif |
| %if cpuflag(fma3) |
| fmaddps m2, m6, [win + %1 + j + 16 * 4], m2 |
| fnmaddps m1, m5, [win + %1 + j], m1 |
| %if ARCH_X86_64 |
| fmaddps m8, m12, [win + %1 + j + mmsize + 16 * 4], m8 |
| fnmaddps m7, m11, [win + %1 + j + mmsize], m7 |
| %endif |
| %else ; non-FMA |
| mulps m6, m6, [win + %1 + j + 16 * 4] |
| mulps m5, m5, [win + %1 + j] |
| %if ARCH_X86_64 |
| mulps m12, m12, [win + %1 + j + mmsize + 16 * 4] |
| mulps m11, m11, [win + %1 + j + mmsize] |
| %endif |
| addps m2, m2, m6 |
| subps m1, m1, m5 |
| %if ARCH_X86_64 |
| addps m8, m8, m12 |
| subps m7, m7, m11 |
| %endif |
| %endif ; cpuflag(fma3) |
| ;~ c += window[i + j + 32] * (synth_buf[16 + i + j]) |
| ;~ d += window[i + j + 48] * (synth_buf[31 - i + j]) |
| SHUF m6, ptr2 + j + (31 - 3) * 4, m5 |
| mova m5, [ptr1 + j + 16 * 4] |
| %if ARCH_X86_64 |
| SHUF m12, ptr2 + j + (31 - 3) * 4 - mmsize, m11 |
| mova m11, [ptr1 + j + mmsize + 16 * 4] |
| %endif |
| %if cpuflag(fma3) |
| fmaddps m3, m5, [win + %1 + j + 32 * 4], m3 |
| fmaddps m4, m6, [win + %1 + j + 48 * 4], m4 |
| %if ARCH_X86_64 |
| fmaddps m9, m11, [win + %1 + j + mmsize + 32 * 4], m9 |
| fmaddps m10, m12, [win + %1 + j + mmsize + 48 * 4], m10 |
| %endif |
| %else ; non-FMA |
| mulps m5, m5, [win + %1 + j + 32 * 4] |
| mulps m6, m6, [win + %1 + j + 48 * 4] |
| %if ARCH_X86_64 |
| mulps m11, m11, [win + %1 + j + mmsize + 32 * 4] |
| mulps m12, m12, [win + %1 + j + mmsize + 48 * 4] |
| %endif |
| addps m3, m3, m5 |
| addps m4, m4, m6 |
| %if ARCH_X86_64 |
| addps m9, m9, m11 |
| addps m10, m10, m12 |
| %endif |
| %endif ; cpuflag(fma3) |
| sub j, 64 * 4 |
| %endmacro |
| |
| ; void ff_synth_filter_inner_<opt>(float *synth_buf, float synth_buf2[32], |
| ; const float window[512], float out[32], |
| ; intptr_t offset, float scale) |
| %macro SYNTH_FILTER 0 |
| cglobal synth_filter_inner, 0, 6 + 4 * ARCH_X86_64, 7 + 6 * ARCH_X86_64, \ |
| synth_buf, synth_buf2, window, out, off, scale |
| %define scale m0 |
| %if ARCH_X86_32 || WIN64 |
| %if cpuflag(sse2) && notcpuflag(avx) |
| movd scale, scalem |
| SPLATD m0 |
| %else |
| VBROADCASTSS m0, scalem |
| %endif |
| ; Make sure offset is in a register and not on the stack |
| %define OFFQ r4q |
| %else |
| SPLATD xmm0 |
| %if cpuflag(avx) |
| vinsertf128 m0, m0, xmm0, 1 |
| %endif |
| %define OFFQ offq |
| %endif |
| ; prepare inner counter limit 1 |
| mov r5q, 480 |
| sub r5q, offmp |
| and r5q, -64 |
| shl r5q, 2 |
| %if ARCH_X86_32 || notcpuflag(avx) |
| mov OFFQ, r5q |
| %define i r5q |
| mov i, 16 * 4 - (ARCH_X86_64 + 1) * mmsize ; main loop counter |
| %else |
| %define i 0 |
| %define OFFQ r5q |
| %endif |
| |
| %define buf2 synth_buf2q |
| %if ARCH_X86_32 |
| mov buf2, synth_buf2mp |
| %endif |
| .mainloop: |
| ; m1 = a m2 = b m3 = c m4 = d |
| SETZERO m3 |
| SETZERO m4 |
| mova m1, [buf2 + i] |
| mova m2, [buf2 + i + 16 * 4] |
| %if ARCH_X86_32 |
| %define ptr1 r0q |
| %define ptr2 r1q |
| %define win r2q |
| %define j r3q |
| mov win, windowm |
| mov ptr1, synth_bufm |
| %if ARCH_X86_32 || notcpuflag(avx) |
| add win, i |
| add ptr1, i |
| %endif |
| %else ; ARCH_X86_64 |
| %define ptr1 r6q |
| %define ptr2 r7q ; must be loaded |
| %define win r8q |
| %define j r9q |
| SETZERO m9 |
| SETZERO m10 |
| mova m7, [buf2 + i + mmsize] |
| mova m8, [buf2 + i + mmsize + 16 * 4] |
| lea win, [windowq + i] |
| lea ptr1, [synth_bufq + i] |
| %endif |
| mov ptr2, synth_bufmp |
| ; prepare the inner loop counter |
| mov j, OFFQ |
| %if ARCH_X86_32 || notcpuflag(avx) |
| sub ptr2, i |
| %endif |
| .loop1: |
| INNER_LOOP 0 |
| jge .loop1 |
| |
| mov j, 448 * 4 |
| sub j, OFFQ |
| jz .end |
| sub ptr1, j |
| sub ptr2, j |
| add win, OFFQ ; now at j-64, so define OFFSET |
| sub j, 64 * 4 |
| .loop2: |
| INNER_LOOP 64 * 4 |
| jge .loop2 |
| |
| .end: |
| %if ARCH_X86_32 |
| mov buf2, synth_buf2m ; needed for next iteration anyway |
| mov outq, outmp ; j, which will be set again during it |
| %endif |
| ;~ out[i] = a * scale; |
| ;~ out[i + 16] = b * scale; |
| mulps m1, m1, scale |
| mulps m2, m2, scale |
| %if ARCH_X86_64 |
| mulps m7, m7, scale |
| mulps m8, m8, scale |
| %endif |
| ;~ synth_buf2[i] = c; |
| ;~ synth_buf2[i + 16] = d; |
| mova [buf2 + i + 0 * 4], m3 |
| mova [buf2 + i + 16 * 4], m4 |
| %if ARCH_X86_64 |
| mova [buf2 + i + 0 * 4 + mmsize], m9 |
| mova [buf2 + i + 16 * 4 + mmsize], m10 |
| %endif |
| ;~ out[i] = a; |
| ;~ out[i + 16] = a; |
| mova [outq + i + 0 * 4], m1 |
| mova [outq + i + 16 * 4], m2 |
| %if ARCH_X86_64 |
| mova [outq + i + 0 * 4 + mmsize], m7 |
| mova [outq + i + 16 * 4 + mmsize], m8 |
| %endif |
| %if ARCH_X86_32 || notcpuflag(avx) |
| sub i, (ARCH_X86_64 + 1) * mmsize |
| jge .mainloop |
| %endif |
| RET |
| %endmacro |
| |
| %if ARCH_X86_32 |
| INIT_XMM sse |
| SYNTH_FILTER |
| %endif |
| INIT_XMM sse2 |
| SYNTH_FILTER |
| INIT_YMM avx |
| SYNTH_FILTER |
| INIT_YMM fma3 |
| SYNTH_FILTER |