1 /*
2 * Copyright (c) 2006 Luca Barbato <lu_zero@gentoo.org>
3 *
4 * This file is part of FFmpeg.
5 *
6 * FFmpeg is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
10 *
11 * FFmpeg is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
15 *
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with FFmpeg; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19 */
20
23
26 {
29 for (
i = 0;
i <
len - 7;
i += 8) {
30 d0 = vec_ld( 0,
src0 +
i);
32 d1 = vec_ld(16,
src0 +
i);
33 d0 = vec_madd(d0,
s,
zero);
34 d1 = vec_madd(d1, vec_ld(16,
src1 +
i),
zero);
35 vec_st(d0, 0,
dst +
i);
36 vec_st(d1, 16,
dst +
i);
37 }
38 }
39
42 {
44 const vec_u8 reverse = vcprm(3, 2, 1, 0);
46
50
52
53 for (
i = -
len * 4, j =
len * 4 - 16;
i < 0;
i += 16, j -= 16) {
58
59 s1 = vec_perm(s1, s1, reverse);
60 wj = vec_perm(wj, wj, reverse);
61
62 t0 = vec_madd(s0, wj,
zero);
63 t0 = vec_nmsub(s1, wi, t0);
64 t1 = vec_madd(s0, wi,
zero);
65 t1 = vec_madd(s1, wj, t1);
66 t1 = vec_perm(t1, t1, reverse);
67
70 }
71 }
72
74 const float *
src1,
const float *
src2,
76 {
78 vec_f d, ss0, ss1, ss2, t0, t1, edges;
79
80 for (
i = 0;
i <
len - 3;
i += 4) {
81 t0 = vec_ld(0,
dst +
i);
82 t1 = vec_ld(15,
dst +
i);
83 ss0 = vec_ld(0,
src0 +
i);
84 ss1 = vec_ld(0,
src1 +
i);
85 ss2 = vec_ld(0,
src2 +
i);
86 edges = vec_perm(t1, t0, vcprm(0, 1, 2, 3));
87 d = vec_madd(ss0, ss1, ss2);
88 t1 = vec_perm(d, edges, vcprm(s0,s1,s2,s3));
89 t0 = vec_perm(edges, d, vcprm(s0,s1,s2,s3));
90 vec_st(t1, 15,
dst +
i);
91 vec_st(t0, 0,
dst +
i);
92 }
93 }
94
97 {
99 vec_f d, s0, s1,
h0, l0, s2, s3;
101
103 for(
i = 0;
i <
len - 7;
i += 8) {
104 s1 = vec_ld(0,
src1 -
i);
// [a,b,c,d]
105 s0 = vec_ld(0,
src0 +
i);
106 l0 = vec_mergel(s1, s1); // [c,c,d,d]
107 s3 = vec_ld(-16,
src1 -
i);
108 h0 = vec_mergeh(s1, s1);
// [a,a,b,b]
109 s2 = vec_ld(16,
src0 +
i);
110 s1 = vec_mergeh(vec_mergel(l0,
h0),
// [d,b,d,b]
111 vec_mergeh(l0,
h0));
// [c,a,c,a]
112 // [d,c,b,a]
113 l0 = vec_mergel(s3, s3);
114 d = vec_madd(s0, s1,
zero);
115 h0 = vec_mergeh(s3, s3);
116 vec_st(d, 0,
dst +
i);
117 s3 = vec_mergeh(vec_mergel(l0,
h0),
119 d = vec_madd(s2, s3,
zero);
120 vec_st(d, 16,
dst +
i);
121 }
122 }