1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
|
/*
* Copyright © 2023 Rémi Denis-Courmont.
*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "config.h"
#include "libavutil/attributes.h"
#include "libavutil/cpu.h"
#include "libavutil/riscv/cpu.h"
#include "libavcodec/flacdsp.h"
void ff_flac_lpc16_rvv(int32_t *decoded, const int coeffs[32],
int pred_order, int qlevel, int len);
void ff_flac_lpc32_rvv(int32_t *decoded, const int coeffs[32],
int pred_order, int qlevel, int len);
void ff_flac_lpc32_rvv_simple(int32_t *decoded, const int coeffs[32],
int pred_order, int qlevel, int len);
void ff_flac_lpc33_rvv(int64_t *, const int32_t *, const int coeffs[32],
int pred_order, int qlevel, int len);
void ff_flac_wasted32_rvv(int32_t *, int shift, int len);
void ff_flac_wasted33_rvv(int64_t *, const int32_t *, int shift, int len);
void ff_flac_decorrelate_indep2_16_rvv(uint8_t **out, int32_t **in,
int channels, int len, int shift);
void ff_flac_decorrelate_indep4_16_rvv(uint8_t **out, int32_t **in,
int channels, int len, int shift);
void ff_flac_decorrelate_indep6_16_rvv(uint8_t **out, int32_t **in,
int channels, int len, int shift);
void ff_flac_decorrelate_indep8_16_rvv(uint8_t **out, int32_t **in,
int channels, int len, int shift);
void ff_flac_decorrelate_ls_16_rvv(uint8_t **out, int32_t **in,
int channels, int len, int shift);
void ff_flac_decorrelate_rs_16_rvv(uint8_t **out, int32_t **in,
int channels, int len, int shift);
void ff_flac_decorrelate_ms_16_rvv(uint8_t **out, int32_t **in,
int channels, int len, int shift);
void ff_flac_decorrelate_indep2_32_rvv(uint8_t **out, int32_t **in,
int channels, int len, int shift);
void ff_flac_decorrelate_indep4_32_rvv(uint8_t **out, int32_t **in,
int channels, int len, int shift);
void ff_flac_decorrelate_indep6_32_rvv(uint8_t **out, int32_t **in,
int channels, int len, int shift);
void ff_flac_decorrelate_indep8_32_rvv(uint8_t **out, int32_t **in,
int channels, int len, int shift);
void ff_flac_decorrelate_ls_32_rvv(uint8_t **out, int32_t **in,
int channels, int len, int shift);
void ff_flac_decorrelate_rs_32_rvv(uint8_t **out, int32_t **in,
int channels, int len, int shift);
void ff_flac_decorrelate_ms_32_rvv(uint8_t **out, int32_t **in,
int channels, int len, int shift);
av_cold void ff_flacdsp_init_riscv(FLACDSPContext *c, enum AVSampleFormat fmt,
int channels)
{
#if HAVE_RVV
int flags = av_get_cpu_flags();
if ((flags & AV_CPU_FLAG_RVV_I32) && (flags & AV_CPU_FLAG_RVB)) {
int vlenb = ff_get_rv_vlenb();
if (vlenb >= 16) {
c->lpc16 = ff_flac_lpc16_rvv;
# if (__riscv_xlen >= 64)
if (flags & AV_CPU_FLAG_RVV_I64) {
if (vlenb > 16) {
c->lpc32 = ff_flac_lpc32_rvv_simple;
c->lpc33 = ff_flac_lpc33_rvv;
} else
c->lpc32 = ff_flac_lpc32_rvv;
}
# endif
}
c->wasted32 = ff_flac_wasted32_rvv;
if (flags & AV_CPU_FLAG_RVV_I64)
c->wasted33 = ff_flac_wasted33_rvv;
# if (__riscv_xlen >= 64)
switch (fmt) {
case AV_SAMPLE_FMT_S16:
switch (channels) {
case 2:
c->decorrelate[0] = ff_flac_decorrelate_indep2_16_rvv;
break;
case 4:
c->decorrelate[0] = ff_flac_decorrelate_indep4_16_rvv;
break;
case 6:
c->decorrelate[0] = ff_flac_decorrelate_indep6_16_rvv;
break;
case 8:
c->decorrelate[0] = ff_flac_decorrelate_indep8_16_rvv;
break;
}
c->decorrelate[1] = ff_flac_decorrelate_ls_16_rvv;
c->decorrelate[2] = ff_flac_decorrelate_rs_16_rvv;
c->decorrelate[3] = ff_flac_decorrelate_ms_16_rvv;
break;
case AV_SAMPLE_FMT_S32:
switch (channels) {
case 2:
c->decorrelate[0] = ff_flac_decorrelate_indep2_32_rvv;
break;
case 4:
c->decorrelate[0] = ff_flac_decorrelate_indep4_32_rvv;
break;
case 6:
c->decorrelate[0] = ff_flac_decorrelate_indep6_32_rvv;
break;
case 8:
c->decorrelate[0] = ff_flac_decorrelate_indep8_32_rvv;
break;
}
c->decorrelate[1] = ff_flac_decorrelate_ls_32_rvv;
c->decorrelate[2] = ff_flac_decorrelate_rs_32_rvv;
c->decorrelate[3] = ff_flac_decorrelate_ms_32_rvv;
break;
}
# endif
}
#endif
}
|
