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https://github.com/FFmpeg/FFmpeg.git
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f0b7882ceb
The .text section is already 16-byte aligned by default on all supported platforms so `SECTION_TEXT` isn't any different from `SECTION .text`.
178 lines
4.8 KiB
NASM
178 lines
4.8 KiB
NASM
;******************************************************************************
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;* optimized audio functions
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;* Copyright (c) 2008 Loren Merritt
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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 .text
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%macro SCALARPRODUCT 0
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; int ff_scalarproduct_int16(int16_t *v1, int16_t *v2, int order)
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cglobal scalarproduct_int16, 3,3,3, v1, v2, order
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shl orderq, 1
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add v1q, orderq
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add v2q, orderq
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neg orderq
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pxor m2, m2
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.loop:
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movu m0, [v1q + orderq]
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movu m1, [v1q + orderq + mmsize]
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pmaddwd m0, [v2q + orderq]
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pmaddwd m1, [v2q + orderq + mmsize]
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paddd m2, m0
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paddd m2, m1
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add orderq, mmsize*2
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jl .loop
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HADDD m2, m0
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movd eax, m2
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%if mmsize == 8
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emms
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%endif
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RET
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%endmacro
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INIT_MMX mmxext
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SCALARPRODUCT
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INIT_XMM sse2
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SCALARPRODUCT
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;-----------------------------------------------------------------------------
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; void ff_vector_clip_int32(int32_t *dst, const int32_t *src, int32_t min,
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; int32_t max, unsigned int len)
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;-----------------------------------------------------------------------------
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; %1 = number of xmm registers used
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; %2 = number of inline load/process/store loops per asm loop
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; %3 = process 4*mmsize (%3=0) or 8*mmsize (%3=1) bytes per loop
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; %4 = CLIPD function takes min/max as float instead of int (CLIPD_SSE2)
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; %5 = suffix
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%macro VECTOR_CLIP_INT32 4-5
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cglobal vector_clip_int32%5, 5,5,%1, dst, src, min, max, len
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%if %4
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cvtsi2ss m4, minm
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cvtsi2ss m5, maxm
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%else
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movd m4, minm
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movd m5, maxm
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%endif
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SPLATD m4
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SPLATD m5
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.loop:
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%assign %%i 0
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%rep %2
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mova m0, [srcq+mmsize*(0+%%i)]
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mova m1, [srcq+mmsize*(1+%%i)]
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mova m2, [srcq+mmsize*(2+%%i)]
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mova m3, [srcq+mmsize*(3+%%i)]
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%if %3
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mova m7, [srcq+mmsize*(4+%%i)]
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mova m8, [srcq+mmsize*(5+%%i)]
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mova m9, [srcq+mmsize*(6+%%i)]
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mova m10, [srcq+mmsize*(7+%%i)]
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%endif
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CLIPD m0, m4, m5, m6
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CLIPD m1, m4, m5, m6
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CLIPD m2, m4, m5, m6
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CLIPD m3, m4, m5, m6
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%if %3
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CLIPD m7, m4, m5, m6
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CLIPD m8, m4, m5, m6
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CLIPD m9, m4, m5, m6
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CLIPD m10, m4, m5, m6
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%endif
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mova [dstq+mmsize*(0+%%i)], m0
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mova [dstq+mmsize*(1+%%i)], m1
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mova [dstq+mmsize*(2+%%i)], m2
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mova [dstq+mmsize*(3+%%i)], m3
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%if %3
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mova [dstq+mmsize*(4+%%i)], m7
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mova [dstq+mmsize*(5+%%i)], m8
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mova [dstq+mmsize*(6+%%i)], m9
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mova [dstq+mmsize*(7+%%i)], m10
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%endif
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%assign %%i %%i+4*(%3+1)
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%endrep
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add srcq, mmsize*4*(%2+%3)
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add dstq, mmsize*4*(%2+%3)
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sub lend, mmsize*(%2+%3)
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jg .loop
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REP_RET
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%endmacro
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INIT_MMX mmx
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%define CLIPD CLIPD_MMX
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VECTOR_CLIP_INT32 0, 1, 0, 0
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INIT_XMM sse2
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VECTOR_CLIP_INT32 6, 1, 0, 0, _int
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%define CLIPD CLIPD_SSE2
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VECTOR_CLIP_INT32 6, 2, 0, 1
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INIT_XMM sse4
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%define CLIPD CLIPD_SSE41
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%ifdef m8
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VECTOR_CLIP_INT32 11, 1, 1, 0
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%else
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VECTOR_CLIP_INT32 6, 1, 0, 0
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%endif
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;-----------------------------------------------------
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;void ff_vector_clipf(float *dst, const float *src,
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; float min, float max, int len)
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;-----------------------------------------------------
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INIT_XMM sse
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%if UNIX64
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cglobal vector_clipf, 3,3,6, dst, src, len
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%else
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cglobal vector_clipf, 5,5,6, dst, src, min, max, len
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%endif
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%if WIN64
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SWAP 0, 2
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SWAP 1, 3
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%elif ARCH_X86_32
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movss m0, minm
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movss m1, maxm
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%endif
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SPLATD m0
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SPLATD m1
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shl lend, 2
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add srcq, lenq
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add dstq, lenq
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neg lenq
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.loop:
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mova m2, [srcq+lenq+mmsize*0]
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mova m3, [srcq+lenq+mmsize*1]
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mova m4, [srcq+lenq+mmsize*2]
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mova m5, [srcq+lenq+mmsize*3]
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maxps m2, m0
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maxps m3, m0
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maxps m4, m0
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maxps m5, m0
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minps m2, m1
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minps m3, m1
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minps m4, m1
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minps m5, m1
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mova [dstq+lenq+mmsize*0], m2
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mova [dstq+lenq+mmsize*1], m3
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mova [dstq+lenq+mmsize*2], m4
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mova [dstq+lenq+mmsize*3], m5
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add lenq, mmsize*4
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jl .loop
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REP_RET
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