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Diffstat (limited to 'libavcodec/x86/aacpsdsp.asm')
| -rw-r--r-- | libavcodec/x86/aacpsdsp.asm | 209 |
1 files changed, 209 insertions, 0 deletions
diff --git a/libavcodec/x86/aacpsdsp.asm b/libavcodec/x86/aacpsdsp.asm new file mode 100644 index 0000000000..e92cbbce08 --- /dev/null +++ b/libavcodec/x86/aacpsdsp.asm @@ -0,0 +1,209 @@ +;****************************************************************************** +;* SIMD optimized MPEG-4 Parametric Stereo decoding functions +;* +;* Copyright (C) 2015 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_RODATA + +ps_p1m1p1m1: dd 0, 0x80000000, 0, 0x80000000 + +SECTION .text + +;************************************************************************* +;void ff_ps_add_squares_<opt>(float *dst, const float (*src)[2], int n); +;************************************************************************* +%macro PS_ADD_SQUARES 1 +cglobal ps_add_squares, 3, 3, %1, dst, src, n + shl nd, 3 + add srcq, nq + neg nq + +align 16 +.loop: + movaps m0, [srcq+nq] + movaps m1, [srcq+nq+mmsize] + mulps m0, m0 + mulps m1, m1 + HADDPS m0, m1, m2 + addps m0, [dstq] + movaps [dstq], m0 + add dstq, mmsize + add nq, mmsize*2 + jl .loop + REP_RET +%endmacro + +INIT_XMM sse +PS_ADD_SQUARES 2 +INIT_XMM sse3 +PS_ADD_SQUARES 3 + +;******************************************************************* +;void ff_ps_mul_pair_single_sse(float (*dst)[2], float (*src0)[2], +; float *src1, int n); +;******************************************************************* +INIT_XMM sse +cglobal ps_mul_pair_single, 4, 5, 4, dst, src1, src2, n + xor r4q, r4q + +.loop: + movu m0, [src1q+r4q] + movu m1, [src1q+r4q+mmsize] + mova m2, [src2q] + mova m3, m2 + unpcklps m2, m2 + unpckhps m3, m3 + mulps m0, m2 + mulps m1, m3 + mova [dstq+r4q], m0 + mova [dstq+r4q+mmsize], m1 + add src2q, mmsize + add r4q, mmsize*2 + sub nd, mmsize/4 + jg .loop + REP_RET + +;*********************************************************************** +;void ff_ps_stereo_interpolate_sse3(float (*l)[2], float (*r)[2], +; float h[2][4], float h_step[2][4], +; int len); +;*********************************************************************** +INIT_XMM sse3 +cglobal ps_stereo_interpolate, 5, 5, 6, l, r, h, h_step, n + movaps m0, [hq] + movaps m1, [h_stepq] + cmp nd, 0 + jle .ret + shl nd, 3 + add lq, nq + add rq, nq + neg nq + +align 16 +.loop: + addps m0, m1 + movddup m2, [lq+nq] + movddup m3, [rq+nq] + movaps m4, m0 + movaps m5, m0 + unpcklps m4, m4 + unpckhps m5, m5 + mulps m2, m4 + mulps m3, m5 + addps m2, m3 + movsd [lq+nq], m2 + movhps [rq+nq], m2 + add nq, 8 + jl .loop +.ret: + REP_RET + +;******************************************************************* +;void ff_ps_hybrid_analysis_<opt>(float (*out)[2], float (*in)[2], +; const float (*filter)[8][2], +; int stride, int n); +;******************************************************************* +%macro PS_HYBRID_ANALYSIS_LOOP 3 + movu %1, [inq+mmsize*%3] + movu m1, [inq+mmsize*(5-%3)+8] +%if cpuflag(sse3) + pshufd %2, %1, q2301 + pshufd m4, m1, q0123 + pshufd m1, m1, q1032 + pshufd m2, [filterq+nq+mmsize*%3], q2301 + addsubps %2, m4 + addsubps %1, m1 +%else + mova m2, [filterq+nq+mmsize*%3] + mova %2, %1 + mova m4, m1 + shufps %2, %2, q2301 + shufps m4, m4, q0123 + shufps m1, m1, q1032 + shufps m2, m2, q2301 + xorps m4, m7 + xorps m1, m7 + subps %2, m4 + subps %1, m1 +%endif + mulps %2, m2 + mulps %1, m2 +%if %3 + addps m3, %2 + addps m0, %1 +%endif +%endmacro + +%macro PS_HYBRID_ANALYSIS 0 +cglobal ps_hybrid_analysis, 5, 5, 8, out, in, filter, stride, n +%if cpuflag(sse3) +%define MOVH movsd +%else +%define MOVH movlps +%endif + shl strided, 3 + shl nd, 6 + add filterq, nq + neg nq + mova m7, [ps_p1m1p1m1] + +align 16 +.loop: + PS_HYBRID_ANALYSIS_LOOP m0, m3, 0 + PS_HYBRID_ANALYSIS_LOOP m5, m6, 1 + PS_HYBRID_ANALYSIS_LOOP m5, m6, 2 + +%if cpuflag(sse3) + pshufd m3, m3, q2301 + xorps m0, m7 + hsubps m3, m0 + pshufd m1, m3, q0020 + pshufd m3, m3, q0031 + addps m1, m3 + movsd m2, [inq+6*8] +%else + mova m1, m3 + mova m2, m0 + shufps m1, m1, q2301 + shufps m2, m2, q2301 + subps m1, m3 + addps m2, m0 + unpcklps m3, m1, m2 + unpckhps m1, m2 + addps m1, m3 + movu m2, [inq+6*8] ; faster than movlps and no risk of overread +%endif + movss m3, [filterq+nq+8*6] + SPLATD m3 + mulps m2, m3 + addps m1, m2 + MOVH [outq], m1 + add outq, strideq + add nq, 64 + jl .loop + REP_RET +%endmacro + +INIT_XMM sse +PS_HYBRID_ANALYSIS +INIT_XMM sse3 +PS_HYBRID_ANALYSIS |