FFmpeg coverage

Directory: ../../../ffmpeg/
File: src/libavcodec/aacpsdsp_template.c
Date: 2025-07-15 08:12:33
Exec Total Coverage
Lines: 123 125 98.4%
Functions: 10 10 100.0%
Branches: 28 28 100.0%
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1 /*
2 * Copyright (c) 2010 Alex Converse <alex.converse@gmail.com>
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 * Note: Rounding-to-nearest used unless otherwise stated
21 *
22 */
23 #include <stdint.h>
24
25 #include "config.h"
26 #include "libavutil/attributes.h"
27 #include "aacpsdsp.h"
28
29 116779 static void ps_add_squares_c(INTFLOAT *restrict dst,
30 const INTFLOAT (*src)[2], int n)
31 {
32
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 3865899 for (int i = 0; i < n; i++)
33 3749120 dst[i] += (UINTFLOAT)AAC_MADD28(src[i][0], src[i][0], src[i][1], src[i][1]);
34 116779 }
35
36 66259 static void ps_mul_pair_single_c(INTFLOAT (*restrict dst)[2],
37 INTFLOAT (*src0)[2], INTFLOAT *src1,
38 int n)
39 {
40
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 2198739 for (int i = 0; i < n; i++) {
41 2132480 dst[i][0] = AAC_MUL16(src0[i][0], src1[i]);
42 2132480 dst[i][1] = AAC_MUL16(src0[i][1], src1[i]);
43 }
44 66259 }
45
46 64771 static void ps_hybrid_analysis_c(INTFLOAT (*restrict out)[2],
47 INTFLOAT (*in)[2],
48 const INTFLOAT (*filter)[8][2],
49 ptrdiff_t stride, int n)
50 {
51 INT64FLOAT inre0[6], inre1[6], inim0[6], inim1[6];
52
53
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 453397 for (int j = 0; j < 6; j++) {
54 388626 inre0[j] = in[j][0] + in[12 - j][0];
55 388626 inre1[j] = in[j][1] - in[12 - j][1];
56 388626 inim0[j] = in[j][1] + in[12 - j][1];
57 388626 inim1[j] = in[j][0] - in[12 - j][0];
58 }
59
60
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 556899 for (int i = 0; i < n; i++) {
61 492128 INT64FLOAT sum_re = (INT64FLOAT)filter[i][6][0] * in[6][0];
62 492128 INT64FLOAT sum_im = (INT64FLOAT)filter[i][6][0] * in[6][1];
63
64
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 3444896 for (int j = 0; j < 6; j++) {
65 2952768 sum_re += (INT64FLOAT)filter[i][j][0] * inre0[j] -
66 2952768 (INT64FLOAT)filter[i][j][1] * inre1[j];
67 2952768 sum_im += (INT64FLOAT)filter[i][j][0] * inim0[j] +
68 2952768 (INT64FLOAT)filter[i][j][1] * inim1[j];
69 }
70 #if USE_FIXED
71 ✗ out[i * stride][0] = (int)((sum_re + 0x40000000) >> 31);
72 ✗ out[i * stride][1] = (int)((sum_im + 0x40000000) >> 31);
73 #else
74 492128 out[i * stride][0] = sum_re;
75 492128 out[i * stride][1] = sum_im;
76 #endif /* USE_FIXED */
77 }
78 64771 }
79
80 1622 static void ps_hybrid_analysis_ileave_c(INTFLOAT (*restrict out)[32][2],
81 INTFLOAT L[2][38][64],
82 int i, int len)
83 {
84
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85
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 3258156 for (int j = 0; j < len; j++) {
86 3159424 out[i][j][0] = L[0][j][i];
87 3159424 out[i][j][1] = L[1][j][i];
88 }
89 }
90 1622 }
91
92 3238 static void ps_hybrid_synthesis_deint_c(INTFLOAT out[2][38][64],
93 INTFLOAT (*restrict in)[32][2],
94 int i, int len)
95 {
96
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97
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 6504432 for (int n = 0; n < len; n++) {
98 6307328 out[0][n][i] = in[i][n][0];
99 6307328 out[1][n][i] = in[i][n][1];
100 }
101 }
102 3238 }
103
104 50520 static void ps_decorrelate_c(INTFLOAT (*out)[2], INTFLOAT (*delay)[2],
105 INTFLOAT (*ap_delay)[PS_QMF_TIME_SLOTS + PS_MAX_AP_DELAY][2],
106 const INTFLOAT phi_fract[2], const INTFLOAT (*Q_fract)[2],
107 const INTFLOAT *transient_gain,
108 INTFLOAT g_decay_slope,
109 int len)
110 {
111 static const INTFLOAT a[] = { Q31(0.65143905753106f),
112 Q31(0.56471812200776f),
113 Q31(0.48954165955695f) };
114 INTFLOAT ag[PS_AP_LINKS];
115 int m, n;
116
117
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 202080 for (m = 0; m < PS_AP_LINKS; m++)
118 151560 ag[m] = AAC_MUL30(a[m], g_decay_slope);
119
120
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 1667160 for (n = 0; n < len; n++) {
121 1616640 INTFLOAT in_re = AAC_MSUB30(delay[n][0], phi_fract[0], delay[n][1], phi_fract[1]);
122 1616640 INTFLOAT in_im = AAC_MADD30(delay[n][0], phi_fract[1], delay[n][1], phi_fract[0]);
123
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 6466560 for (m = 0; m < PS_AP_LINKS; m++) {
124 4849920 INTFLOAT a_re = AAC_MUL31(ag[m], in_re);
125 4849920 INTFLOAT a_im = AAC_MUL31(ag[m], in_im);
126 4849920 INTFLOAT link_delay_re = ap_delay[m][n+2-m][0];
127 4849920 INTFLOAT link_delay_im = ap_delay[m][n+2-m][1];
128 4849920 INTFLOAT fractional_delay_re = Q_fract[m][0];
129 4849920 INTFLOAT fractional_delay_im = Q_fract[m][1];
130 4849920 INTFLOAT apd_re = in_re;
131 4849920 INTFLOAT apd_im = in_im;
132 4849920 in_re = AAC_MSUB30(link_delay_re, fractional_delay_re,
133 link_delay_im, fractional_delay_im);
134 4849920 in_re -= (UINTFLOAT)a_re;
135 4849920 in_im = AAC_MADD30(link_delay_re, fractional_delay_im,
136 link_delay_im, fractional_delay_re);
137 4849920 in_im -= (UINTFLOAT)a_im;
138 4849920 ap_delay[m][n+5][0] = apd_re + (UINTFLOAT)AAC_MUL31(ag[m], in_re);
139 4849920 ap_delay[m][n+5][1] = apd_im + (UINTFLOAT)AAC_MUL31(ag[m], in_im);
140 }
141 1616640 out[n][0] = AAC_MUL16(transient_gain[n], in_re);
142 1616640 out[n][1] = AAC_MUL16(transient_gain[n], in_im);
143 }
144 50520 }
145
146 141042 static void ps_stereo_interpolate_c(INTFLOAT (*l)[2], INTFLOAT (*r)[2],
147 INTFLOAT h[2][4], INTFLOAT h_step[2][4],
148 int len)
149 {
150 141042 INTFLOAT h0 = h[0][0];
151 141042 INTFLOAT h1 = h[0][1];
152 141042 INTFLOAT h2 = h[0][2];
153 141042 INTFLOAT h3 = h[0][3];
154 141042 UINTFLOAT hs0 = h_step[0][0];
155 141042 UINTFLOAT hs1 = h_step[0][1];
156 141042 UINTFLOAT hs2 = h_step[0][2];
157 141042 UINTFLOAT hs3 = h_step[0][3];
158 int n;
159
160
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 3769746 for (n = 0; n < len; n++) {
161 //l is s, r is d
162 3628704 INTFLOAT l_re = l[n][0];
163 3628704 INTFLOAT l_im = l[n][1];
164 3628704 INTFLOAT r_re = r[n][0];
165 3628704 INTFLOAT r_im = r[n][1];
166 3628704 h0 += hs0;
167 3628704 h1 += hs1;
168 3628704 h2 += hs2;
169 3628704 h3 += hs3;
170 3628704 l[n][0] = AAC_MADD30(h0, l_re, h2, r_re);
171 3628704 l[n][1] = AAC_MADD30(h0, l_im, h2, r_im);
172 3628704 r[n][0] = AAC_MADD30(h1, l_re, h3, r_re);
173 3628704 r[n][1] = AAC_MADD30(h1, l_im, h3, r_im);
174 }
175 141042 }
176
177 7387 static void ps_stereo_interpolate_ipdopd_c(INTFLOAT (*l)[2], INTFLOAT (*r)[2],
178 INTFLOAT h[2][4], INTFLOAT h_step[2][4],
179 int len)
180 {
181 7387 INTFLOAT h00 = h[0][0], h10 = h[1][0];
182 7387 INTFLOAT h01 = h[0][1], h11 = h[1][1];
183 7387 INTFLOAT h02 = h[0][2], h12 = h[1][2];
184 7387 INTFLOAT h03 = h[0][3], h13 = h[1][3];
185 7387 UINTFLOAT hs00 = h_step[0][0], hs10 = h_step[1][0];
186 7387 UINTFLOAT hs01 = h_step[0][1], hs11 = h_step[1][1];
187 7387 UINTFLOAT hs02 = h_step[0][2], hs12 = h_step[1][2];
188 7387 UINTFLOAT hs03 = h_step[0][3], hs13 = h_step[1][3];
189 int n;
190
191
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 140091 for (n = 0; n < len; n++) {
192 //l is s, r is d
193 132704 INTFLOAT l_re = l[n][0];
194 132704 INTFLOAT l_im = l[n][1];
195 132704 INTFLOAT r_re = r[n][0];
196 132704 INTFLOAT r_im = r[n][1];
197 132704 h00 += hs00;
198 132704 h01 += hs01;
199 132704 h02 += hs02;
200 132704 h03 += hs03;
201 132704 h10 += hs10;
202 132704 h11 += hs11;
203 132704 h12 += hs12;
204 132704 h13 += hs13;
205
206 132704 l[n][0] = AAC_MSUB30_V8(h00, l_re, h02, r_re, h10, l_im, h12, r_im);
207 132704 l[n][1] = AAC_MADD30_V8(h00, l_im, h02, r_im, h10, l_re, h12, r_re);
208 132704 r[n][0] = AAC_MSUB30_V8(h01, l_re, h03, r_re, h11, l_im, h13, r_im);
209 132704 r[n][1] = AAC_MADD30_V8(h01, l_im, h03, r_im, h11, l_re, h13, r_re);
210 }
211 7387 }
212
213 419 av_cold void AAC_RENAME(ff_psdsp_init)(PSDSPContext *s)
214 {
215 419 s->add_squares = ps_add_squares_c;
216 419 s->mul_pair_single = ps_mul_pair_single_c;
217 419 s->hybrid_analysis = ps_hybrid_analysis_c;
218 419 s->hybrid_analysis_ileave = ps_hybrid_analysis_ileave_c;
219 419 s->hybrid_synthesis_deint = ps_hybrid_synthesis_deint_c;
220 419 s->decorrelate = ps_decorrelate_c;
221 419 s->stereo_interpolate[0] = ps_stereo_interpolate_c;
222 419 s->stereo_interpolate[1] = ps_stereo_interpolate_ipdopd_c;
223
224 #if !USE_FIXED
225 #if ARCH_ARM
226 ff_psdsp_init_arm(s);
227 #elif ARCH_AARCH64
228 ff_psdsp_init_aarch64(s);
229 #elif ARCH_RISCV
230 ff_psdsp_init_riscv(s);
231 #elif ARCH_X86
232 384 ff_psdsp_init_x86(s);
233 #endif
234 #endif /* !USE_FIXED */
235 419 }
236