mirror of https://git.ffmpeg.org/ffmpeg.git
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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add orderd, orderd
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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 * (1 + %3))
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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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; void ff_vector_clipf_sse(float *dst, const float *src,
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; int len, float min, float max)
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INIT_XMM sse
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cglobal vector_clipf, 3, 3, 6, dst, src, len, min, max
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%if ARCH_X86_32
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VBROADCASTSS m0, minm
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VBROADCASTSS m1, maxm
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%elif WIN64
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SWAP 0, 3
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VBROADCASTSS m0, m0
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VBROADCASTSS m1, maxm
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%else ; 64bit sysv
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VBROADCASTSS m0, m0
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VBROADCASTSS m1, m1
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%endif
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movsxdifnidn lenq, lend
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.loop:
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mova m2, [srcq + 4 * lenq - 4 * mmsize]
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mova m3, [srcq + 4 * lenq - 3 * mmsize]
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mova m4, [srcq + 4 * lenq - 2 * mmsize]
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mova m5, [srcq + 4 * lenq - 1 * mmsize]
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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 + 4 * lenq - 4 * mmsize], m2
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mova [dstq + 4 * lenq - 3 * mmsize], m3
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mova [dstq + 4 * lenq - 2 * mmsize], m4
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mova [dstq + 4 * lenq - 1 * mmsize], m5
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sub lenq, mmsize
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jg .loop
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RET
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