1 ;******************************************************************************
2 ;* optimized audio functions
3 ;* Copyright (c) 2008 Loren Merritt
5 ;* This file is part of FFmpeg.
7 ;* FFmpeg is free software; you can redistribute it and/or
8 ;* modify it under the terms of the GNU Lesser General Public
9 ;* License as published by the Free Software Foundation; either
10 ;* version 2.1 of the License, or (at your option) any later version.
12 ;* FFmpeg is distributed in the hope that it will be useful,
13 ;* but WITHOUT ANY WARRANTY; without even the implied warranty of
14 ;* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 ;* Lesser General Public License for more details.
17 ;* You should have received a copy of the GNU Lesser General Public
18 ;* License along with FFmpeg; if not, write to the Free Software
19 ;* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
20 ;******************************************************************************
22 %include "libavutil/x86/x86util.asm"
26 %macro SCALARPRODUCT 0
27 ; int ff_scalarproduct_int16(int16_t *v1, int16_t *v2, int order)
28 cglobal scalarproduct_int16, 3,3,3, v1, v2, order
35 movu m0, [v1q + orderq]
36 movu m1, [v1q + orderq + mmsize]
37 pmaddwd m0, [v2q + orderq]
38 pmaddwd m1, [v2q + orderq + mmsize]
57 ;-----------------------------------------------------------------------------
58 ; void ff_vector_clip_int32(int32_t *dst, const int32_t *src, int32_t min,
59 ; int32_t max, unsigned int len)
60 ;-----------------------------------------------------------------------------
62 ; %1 = number of xmm registers used
63 ; %2 = number of inline load/process/store loops per asm loop
64 ; %3 = process 4*mmsize (%3=0) or 8*mmsize (%3=1) bytes per loop
65 ; %4 = CLIPD function takes min/max as float instead of int (CLIPD_SSE2)
67 %macro VECTOR_CLIP_INT32 4-5
68 cglobal vector_clip_int32%5, 5,5,%1, dst, src, min, max, len
81 mova m0, [srcq+mmsize*(0+%%i)]
82 mova m1, [srcq+mmsize*(1+%%i)]
83 mova m2, [srcq+mmsize*(2+%%i)]
84 mova m3, [srcq+mmsize*(3+%%i)]
86 mova m7, [srcq+mmsize*(4+%%i)]
87 mova m8, [srcq+mmsize*(5+%%i)]
88 mova m9, [srcq+mmsize*(6+%%i)]
89 mova m10, [srcq+mmsize*(7+%%i)]
101 mova [dstq+mmsize*(0+%%i)], m0
102 mova [dstq+mmsize*(1+%%i)], m1
103 mova [dstq+mmsize*(2+%%i)], m2
104 mova [dstq+mmsize*(3+%%i)], m3
106 mova [dstq+mmsize*(4+%%i)], m7
107 mova [dstq+mmsize*(5+%%i)], m8
108 mova [dstq+mmsize*(6+%%i)], m9
109 mova [dstq+mmsize*(7+%%i)], m10
111 %assign %%i %%i+4*(%3+1)
113 add srcq, mmsize*4*(%2+%3)
114 add dstq, mmsize*4*(%2+%3)
115 sub lend, mmsize*(%2+%3)
121 %define CLIPD CLIPD_MMX
122 VECTOR_CLIP_INT32 0, 1, 0, 0
124 VECTOR_CLIP_INT32 6, 1, 0, 0, _int
125 %define CLIPD CLIPD_SSE2
126 VECTOR_CLIP_INT32 6, 2, 0, 1
128 %define CLIPD CLIPD_SSE41
130 VECTOR_CLIP_INT32 11, 1, 1, 0
132 VECTOR_CLIP_INT32 6, 1, 0, 0
135 ;-----------------------------------------------------
136 ;void ff_vector_clipf(float *dst, const float *src,
137 ; float min, float max, int len)
138 ;-----------------------------------------------------
141 cglobal vector_clipf, 3,3,6, dst, src, len
143 cglobal vector_clipf, 5,5,6, dst, src, min, max, len
159 mova m2, [srcq+lenq+mmsize*0]
160 mova m3, [srcq+lenq+mmsize*1]
161 mova m4, [srcq+lenq+mmsize*2]
162 mova m5, [srcq+lenq+mmsize*3]
171 mova [dstq+lenq+mmsize*0], m2
172 mova [dstq+lenq+mmsize*1], m3
173 mova [dstq+lenq+mmsize*2], m4
174 mova [dstq+lenq+mmsize*3], m5