aac5773f
 hucm
功能基本完成，接口待打磨
|
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
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
|
;******************************************************************************
;* SIMD optimized SBC encoder DSP functions
;*
;* Copyright (C) 2017 Aurelien Jacobs <aurel@gnuage.org>
;* Copyright (C) 2008-2010 Nokia Corporation
;* Copyright (C) 2004-2010 Marcel Holtmann <marcel@holtmann.org>
;* Copyright (C) 2004-2005 Henryk Ploetz <henryk@ploetzli.ch>
;* Copyright (C) 2005-2006 Brad Midgley <bmidgley@xmission.com>
;*
;* 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 "libavutil/x86/x86util.asm"
SECTION_RODATA
scale_mask: times 2 dd 0x8000 ; 1 << (SBC_PROTO_FIXED_SCALE - 1)
SECTION .text
%macro NIDN 3
%ifnidn %2, %3
%1 %2, %3
%endif
%endmacro
%macro ANALYZE_MAC 9 ; out1, out2, in1, in2, tmp1, tmp2, add1, add2, offset
NIDN movq, %5, %3
NIDN movq, %6, %4
pmaddwd %5, [constsq+%9]
pmaddwd %6, [constsq+%9+8]
NIDN paddd, %1, %7
NIDN paddd, %2, %8
%endmacro
%macro ANALYZE_MAC_IN 7 ; out1, out2, tmp1, tmp2, add1, add2, offset
ANALYZE_MAC %1, %2, [inq+%7], [inq+%7+8], %3, %4, %5, %6, %7
%endmacro
%macro ANALYZE_MAC_REG 7 ; out1, out2, in, tmp1, tmp2, offset, pack
%ifidn %7, pack
psrad %3, 16 ; SBC_PROTO_FIXED_SCALE
packssdw %3, %3
%endif
ANALYZE_MAC %1, %2, %3, %3, %4, %5, %4, %5, %6
%endmacro
;*******************************************************************
;void ff_sbc_analyze_4(const int16_t *in, int32_t *out, const int16_t *consts);
;*******************************************************************
INIT_MMX mmx
cglobal sbc_analyze_4, 3, 3, 4, in, out, consts
ANALYZE_MAC_IN m0, m1, m0, m1, [scale_mask], [scale_mask], 0
ANALYZE_MAC_IN m0, m1, m2, m3, m2, m3, 16
ANALYZE_MAC_IN m0, m1, m2, m3, m2, m3, 32
ANALYZE_MAC_IN m0, m1, m2, m3, m2, m3, 48
ANALYZE_MAC_IN m0, m1, m2, m3, m2, m3, 64
ANALYZE_MAC_REG m0, m2, m0, m0, m2, 80, pack
ANALYZE_MAC_REG m0, m2, m1, m1, m3, 96, pack
movq [outq ], m0
movq [outq+8], m2
RET
;*******************************************************************
;void ff_sbc_analyze_8(const int16_t *in, int32_t *out, const int16_t *consts);
;*******************************************************************
INIT_MMX mmx
cglobal sbc_analyze_8, 3, 3, 4, in, out, consts
ANALYZE_MAC_IN m0, m1, m0, m1, [scale_mask], [scale_mask], 0
ANALYZE_MAC_IN m2, m3, m2, m3, [scale_mask], [scale_mask], 16
ANALYZE_MAC_IN m0, m1, m4, m5, m4, m5, 32
ANALYZE_MAC_IN m2, m3, m6, m7, m6, m7, 48
ANALYZE_MAC_IN m0, m1, m4, m5, m4, m5, 64
ANALYZE_MAC_IN m2, m3, m6, m7, m6, m7, 80
ANALYZE_MAC_IN m0, m1, m4, m5, m4, m5, 96
ANALYZE_MAC_IN m2, m3, m6, m7, m6, m7, 112
ANALYZE_MAC_IN m0, m1, m4, m5, m4, m5, 128
ANALYZE_MAC_IN m2, m3, m6, m7, m6, m7, 144
ANALYZE_MAC_REG m4, m5, m0, m4, m5, 160, pack
ANALYZE_MAC_REG m4, m5, m1, m6, m7, 192, pack
ANALYZE_MAC_REG m4, m5, m2, m6, m7, 224, pack
ANALYZE_MAC_REG m4, m5, m3, m6, m7, 256, pack
movq [outq ], m4
movq [outq+8], m5
ANALYZE_MAC_REG m0, m5, m0, m0, m5, 176, no
ANALYZE_MAC_REG m0, m5, m1, m1, m7, 208, no
ANALYZE_MAC_REG m0, m5, m2, m2, m7, 240, no
ANALYZE_MAC_REG m0, m5, m3, m3, m7, 272, no
movq [outq+16], m0
movq [outq+24], m5
RET
;*******************************************************************
;void ff_sbc_calc_scalefactors(int32_t sb_sample_f[16][2][8],
; uint32_t scale_factor[2][8],
; int blocks, int channels, int subbands)
;*******************************************************************
INIT_MMX mmx
cglobal sbc_calc_scalefactors, 5, 7, 4, sb_sample_f, scale_factor, blocks, channels, subbands, ptr, blk
; subbands = 4 * subbands * channels
movq m3, [scale_mask]
shl subbandsd, 2
cmp channelsd, 2
jl .loop_1
shl subbandsd, 1
.loop_1:
sub subbandsq, 8
lea ptrq, [sb_sample_fq + subbandsq]
; blk = (blocks - 1) * 64;
lea blkq, [blocksq - 1]
shl blkd, 6
movq m0, m3
.loop_2:
movq m1, [ptrq+blkq]
pxor m2, m2
pcmpgtd m1, m2
paddd m1, [ptrq+blkq]
pcmpgtd m2, m1
pxor m1, m2
por m0, m1
sub blkq, 64
jns .loop_2
movd blkd, m0
psrlq m0, 32
bsr blkd, blkd
sub blkd, 15 ; SCALE_OUT_BITS
mov [scale_factorq + subbandsq], blkd
movd blkd, m0
bsr blkd, blkd
sub blkd, 15 ; SCALE_OUT_BITS
mov [scale_factorq + subbandsq + 4], blkd
cmp subbandsq, 0
jg .loop_1
emms
RET
|
