FFmpeg coverage


Directory: ../../../ffmpeg/
File: src/libavcodec/aacpsdsp_template.c
Date: 2021-09-24 20:55:06
Exec Total Coverage
Lines: 122 124 98.4%
Branches: 26 26 100.0%

Line Branch Exec Source
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 *dst, const INTFLOAT (*src)[2], int n)
30 {
31 int i;
32
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3865899 for (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 (*dst)[2], INTFLOAT (*src0)[2], INTFLOAT *src1,
37 int n)
38 {
39 int i;
40
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2198739 for (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 (*out)[2], INTFLOAT (*in)[2],
47 const INTFLOAT (*filter)[8][2],
48 ptrdiff_t stride, int n)
49 {
50 int i, j;
51
52
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556899 for (i = 0; i < n; i++) {
53 492128 INT64FLOAT sum_re = (INT64FLOAT)filter[i][6][0] * in[6][0];
54 492128 INT64FLOAT sum_im = (INT64FLOAT)filter[i][6][0] * in[6][1];
55
56
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3444896 for (j = 0; j < 6; j++) {
57 2952768 INT64FLOAT in0_re = in[j][0];
58 2952768 INT64FLOAT in0_im = in[j][1];
59 2952768 INT64FLOAT in1_re = in[12-j][0];
60 2952768 INT64FLOAT in1_im = in[12-j][1];
61 2952768 sum_re += (INT64FLOAT)filter[i][j][0] * (in0_re + in1_re) -
62 2952768 (INT64FLOAT)filter[i][j][1] * (in0_im - in1_im);
63 2952768 sum_im += (INT64FLOAT)filter[i][j][0] * (in0_im + in1_im) +
64 2952768 (INT64FLOAT)filter[i][j][1] * (in0_re - in1_re);
65 }
66 #if USE_FIXED
67 out[i * stride][0] = (int)((sum_re + 0x40000000) >> 31);
68 out[i * stride][1] = (int)((sum_im + 0x40000000) >> 31);
69 #else
70 492128 out[i * stride][0] = sum_re;
71 492128 out[i * stride][1] = sum_im;
72 #endif /* USE_FIXED */
73 }
74 64771 }
75
76 1622 static void ps_hybrid_analysis_ileave_c(INTFLOAT (*out)[32][2], INTFLOAT L[2][38][64],
77 int i, int len)
78 {
79 int j;
80
81
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100354 for (; i < 64; i++) {
82
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3258156 for (j = 0; j < len; j++) {
83 3159424 out[i][j][0] = L[0][j][i];
84 3159424 out[i][j][1] = L[1][j][i];
85 }
86 }
87 1622 }
88
89 3238 static void ps_hybrid_synthesis_deint_c(INTFLOAT out[2][38][64],
90 INTFLOAT (*in)[32][2],
91 int i, int len)
92 {
93 int n;
94
95
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200342 for (; i < 64; i++) {
96
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6504432 for (n = 0; n < len; n++) {
97 6307328 out[0][n][i] = in[i][n][0];
98 6307328 out[1][n][i] = in[i][n][1];
99 }
100 }
101 3238 }
102
103 50520 static void ps_decorrelate_c(INTFLOAT (*out)[2], INTFLOAT (*delay)[2],
104 INTFLOAT (*ap_delay)[PS_QMF_TIME_SLOTS + PS_MAX_AP_DELAY][2],
105 const INTFLOAT phi_fract[2], const INTFLOAT (*Q_fract)[2],
106 const INTFLOAT *transient_gain,
107 INTFLOAT g_decay_slope,
108 int len)
109 {
110 static const INTFLOAT a[] = { Q31(0.65143905753106f),
111 Q31(0.56471812200776f),
112 Q31(0.48954165955695f) };
113 INTFLOAT ag[PS_AP_LINKS];
114 int m, n;
115
116
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202080 for (m = 0; m < PS_AP_LINKS; m++)
117 151560 ag[m] = AAC_MUL30(a[m], g_decay_slope);
118
119
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1667160 for (n = 0; n < len; n++) {
120 1616640 INTFLOAT in_re = AAC_MSUB30(delay[n][0], phi_fract[0], delay[n][1], phi_fract[1]);
121 1616640 INTFLOAT in_im = AAC_MADD30(delay[n][0], phi_fract[1], delay[n][1], phi_fract[0]);
122
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6466560 for (m = 0; m < PS_AP_LINKS; m++) {
123 4849920 INTFLOAT a_re = AAC_MUL31(ag[m], in_re);
124 4849920 INTFLOAT a_im = AAC_MUL31(ag[m], in_im);
125 4849920 INTFLOAT link_delay_re = ap_delay[m][n+2-m][0];
126 4849920 INTFLOAT link_delay_im = ap_delay[m][n+2-m][1];
127 4849920 INTFLOAT fractional_delay_re = Q_fract[m][0];
128 4849920 INTFLOAT fractional_delay_im = Q_fract[m][1];
129 4849920 INTFLOAT apd_re = in_re;
130 4849920 INTFLOAT apd_im = in_im;
131 4849920 in_re = AAC_MSUB30(link_delay_re, fractional_delay_re,
132 link_delay_im, fractional_delay_im);
133 4849920 in_re -= (UINTFLOAT)a_re;
134 4849920 in_im = AAC_MADD30(link_delay_re, fractional_delay_im,
135 link_delay_im, fractional_delay_re);
136 4849920 in_im -= (UINTFLOAT)a_im;
137 4849920 ap_delay[m][n+5][0] = apd_re + (UINTFLOAT)AAC_MUL31(ag[m], in_re);
138 4849920 ap_delay[m][n+5][1] = apd_im + (UINTFLOAT)AAC_MUL31(ag[m], in_im);
139 }
140 1616640 out[n][0] = AAC_MUL16(transient_gain[n], in_re);
141 1616640 out[n][1] = AAC_MUL16(transient_gain[n], in_im);
142 }
143 50520 }
144
145 141042 static void ps_stereo_interpolate_c(INTFLOAT (*l)[2], INTFLOAT (*r)[2],
146 INTFLOAT h[2][4], INTFLOAT h_step[2][4],
147 int len)
148 {
149 141042 INTFLOAT h0 = h[0][0];
150 141042 INTFLOAT h1 = h[0][1];
151 141042 INTFLOAT h2 = h[0][2];
152 141042 INTFLOAT h3 = h[0][3];
153 141042 UINTFLOAT hs0 = h_step[0][0];
154 141042 UINTFLOAT hs1 = h_step[0][1];
155 141042 UINTFLOAT hs2 = h_step[0][2];
156 141042 UINTFLOAT hs3 = h_step[0][3];
157 int n;
158
159
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3769746 for (n = 0; n < len; n++) {
160 //l is s, r is d
161 3628704 INTFLOAT l_re = l[n][0];
162 3628704 INTFLOAT l_im = l[n][1];
163 3628704 INTFLOAT r_re = r[n][0];
164 3628704 INTFLOAT r_im = r[n][1];
165 3628704 h0 += hs0;
166 3628704 h1 += hs1;
167 3628704 h2 += hs2;
168 3628704 h3 += hs3;
169 3628704 l[n][0] = AAC_MADD30(h0, l_re, h2, r_re);
170 3628704 l[n][1] = AAC_MADD30(h0, l_im, h2, r_im);
171 3628704 r[n][0] = AAC_MADD30(h1, l_re, h3, r_re);
172 3628704 r[n][1] = AAC_MADD30(h1, l_im, h3, r_im);
173 }
174 141042 }
175
176 7387 static void ps_stereo_interpolate_ipdopd_c(INTFLOAT (*l)[2], INTFLOAT (*r)[2],
177 INTFLOAT h[2][4], INTFLOAT h_step[2][4],
178 int len)
179 {
180 7387 INTFLOAT h00 = h[0][0], h10 = h[1][0];
181 7387 INTFLOAT h01 = h[0][1], h11 = h[1][1];
182 7387 INTFLOAT h02 = h[0][2], h12 = h[1][2];
183 7387 INTFLOAT h03 = h[0][3], h13 = h[1][3];
184 7387 UINTFLOAT hs00 = h_step[0][0], hs10 = h_step[1][0];
185 7387 UINTFLOAT hs01 = h_step[0][1], hs11 = h_step[1][1];
186 7387 UINTFLOAT hs02 = h_step[0][2], hs12 = h_step[1][2];
187 7387 UINTFLOAT hs03 = h_step[0][3], hs13 = h_step[1][3];
188 int n;
189
190
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140091 for (n = 0; n < len; n++) {
191 //l is s, r is d
192 132704 INTFLOAT l_re = l[n][0];
193 132704 INTFLOAT l_im = l[n][1];
194 132704 INTFLOAT r_re = r[n][0];
195 132704 INTFLOAT r_im = r[n][1];
196 132704 h00 += hs00;
197 132704 h01 += hs01;
198 132704 h02 += hs02;
199 132704 h03 += hs03;
200 132704 h10 += hs10;
201 132704 h11 += hs11;
202 132704 h12 += hs12;
203 132704 h13 += hs13;
204
205 132704 l[n][0] = AAC_MSUB30_V8(h00, l_re, h02, r_re, h10, l_im, h12, r_im);
206 132704 l[n][1] = AAC_MADD30_V8(h00, l_im, h02, r_im, h10, l_re, h12, r_re);
207 132704 r[n][0] = AAC_MSUB30_V8(h01, l_re, h03, r_re, h11, l_im, h13, r_im);
208 132704 r[n][1] = AAC_MADD30_V8(h01, l_im, h03, r_im, h11, l_re, h13, r_re);
209 }
210 7387 }
211
212 365 av_cold void AAC_RENAME(ff_psdsp_init)(PSDSPContext *s)
213 {
214 365 s->add_squares = ps_add_squares_c;
215 365 s->mul_pair_single = ps_mul_pair_single_c;
216 365 s->hybrid_analysis = ps_hybrid_analysis_c;
217 365 s->hybrid_analysis_ileave = ps_hybrid_analysis_ileave_c;
218 365 s->hybrid_synthesis_deint = ps_hybrid_synthesis_deint_c;
219 365 s->decorrelate = ps_decorrelate_c;
220 365 s->stereo_interpolate[0] = ps_stereo_interpolate_c;
221 365 s->stereo_interpolate[1] = ps_stereo_interpolate_ipdopd_c;
222
223 #if !USE_FIXED
224 if (ARCH_ARM)
225 ff_psdsp_init_arm(s);
226 if (ARCH_AARCH64)
227 ff_psdsp_init_aarch64(s);
228 if (ARCH_MIPS)
229 ff_psdsp_init_mips(s);
230 if (ARCH_X86)
231 334 ff_psdsp_init_x86(s);
232 #endif /* !USE_FIXED */
233 365 }
234