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 (SSE2 version)
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 * (1 + %3))
113 add srcq, mmsize*4*(%2+%3)
114 add dstq, mmsize*4*(%2+%3)
115 sub lend, mmsize*(%2+%3)
121 VECTOR_CLIP_INT32 0, 1, 0, 0
123 VECTOR_CLIP_INT32 6, 1, 0, 0, _int
124 VECTOR_CLIP_INT32 6, 2, 0, 1
127 VECTOR_CLIP_INT32 11, 1, 1, 0
129 VECTOR_CLIP_INT32 6, 1, 0, 0
132 ; void ff_vector_clipf_sse(float *dst, const float *src,
133 ; int len, float min, float max)
135 cglobal vector_clipf, 3, 3, 6, dst, src, len, min, max
137 VBROADCASTSS m0, minm
138 VBROADCASTSS m1, maxm
142 VBROADCASTSS m1, maxm
148 movsxdifnidn lenq, lend
151 mova m2, [srcq + 4 * lenq - 4 * mmsize]
152 mova m3, [srcq + 4 * lenq - 3 * mmsize]
153 mova m4, [srcq + 4 * lenq - 2 * mmsize]
154 mova m5, [srcq + 4 * lenq - 1 * mmsize]
166 mova [dstq + 4 * lenq - 4 * mmsize], m2
167 mova [dstq + 4 * lenq - 3 * mmsize], m3
168 mova [dstq + 4 * lenq - 2 * mmsize], m4
169 mova [dstq + 4 * lenq - 1 * mmsize], m5