FFmpeg coverage

Directory: ../../../ffmpeg/
File: src/libswresample/rematrix.c
Date: 2025-03-08 20:38:41
Exec Total Coverage
Lines: 245 418 58.6%
Functions: 10 10 100.0%
Branches: 171 310 55.2%
Line Branch Exec Source
1 /*
2 * Copyright (C) 2011-2012 Michael Niedermayer (michaelni@gmx.at)
3 *
4 * This file is part of libswresample
5 *
6 * libswresample 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 * libswresample 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 libswresample; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19 */
20
21 #include "swresample_internal.h"
22 #include "libavutil/avassert.h"
23 #include "libavutil/channel_layout.h"
24 #include "libavutil/mem.h"
25
26 #define TEMPLATE_REMATRIX_FLT
27 #include "rematrix_template.c"
28 #undef TEMPLATE_REMATRIX_FLT
29
30 #define TEMPLATE_REMATRIX_DBL
31 #include "rematrix_template.c"
32 #undef TEMPLATE_REMATRIX_DBL
33
34 #define TEMPLATE_REMATRIX_S16
35 #include "rematrix_template.c"
36 #define TEMPLATE_CLIP
37 #include "rematrix_template.c"
38 #undef TEMPLATE_CLIP
39 #undef TEMPLATE_REMATRIX_S16
40
41 #define TEMPLATE_REMATRIX_S32
42 #include "rematrix_template.c"
43 #undef TEMPLATE_REMATRIX_S32
44
45 #define FRONT_LEFT 0
46 #define FRONT_RIGHT 1
47 #define FRONT_CENTER 2
48 #define LOW_FREQUENCY 3
49 #define BACK_LEFT 4
50 #define BACK_RIGHT 5
51 #define FRONT_LEFT_OF_CENTER 6
52 #define FRONT_RIGHT_OF_CENTER 7
53 #define BACK_CENTER 8
54 #define SIDE_LEFT 9
55 #define SIDE_RIGHT 10
56 #define TOP_CENTER 11
57 #define TOP_FRONT_LEFT 12
58 #define TOP_FRONT_CENTER 13
59 #define TOP_FRONT_RIGHT 14
60 #define TOP_BACK_LEFT 15
61 #define TOP_BACK_CENTER 16
62 #define TOP_BACK_RIGHT 17
63 #define NUM_NAMED_CHANNELS 18
64
65 8 int swr_set_matrix(struct SwrContext *s, const double *matrix, int stride)
66 {
67 int nb_in, nb_out, in, out;
68
69
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 8 if (!s || s->in_convert) // s needs to be allocated but not initialized
70 ✗ return AVERROR(EINVAL);
71 8 memset(s->matrix, 0, sizeof(s->matrix));
72 8 memset(s->matrix_flt, 0, sizeof(s->matrix_flt));
73
74 8 nb_in = s->user_in_chlayout.nb_channels;
75 8 nb_out = s->user_out_chlayout.nb_channels;
76
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 35 for (out = 0; out < nb_out; out++) {
77
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 150 for (in = 0; in < nb_in; in++)
78 123 s->matrix_flt[out][in] = s->matrix[out][in] = matrix[in];
79 27 matrix += stride;
80 }
81 8 s->rematrix_custom = 1;
82 8 return 0;
83 }
84
85 180 static int even(int64_t layout){
86
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 180 if(!layout) return 1;
87
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 19 if(layout&(layout-1)) return 1;
88 ✗ return 0;
89 }
90
91 36 static int clean_layout(AVChannelLayout *out, const AVChannelLayout *in, void *s)
92 {
93 36 int ret = 0;
94
95
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 36 if (av_channel_layout_index_from_channel(in, AV_CHAN_FRONT_CENTER) < 0 && in->nb_channels == 1) {
96 char buf[128];
97 7 av_channel_layout_describe(in, buf, sizeof(buf));
98 7 av_log(s, AV_LOG_VERBOSE, "Treating %s as mono\n", buf);
99 7 *out = (AVChannelLayout)AV_CHANNEL_LAYOUT_MONO;
100 } else
101 29 ret = av_channel_layout_copy(out, in);
102
103 36 return ret;
104 }
105
106 36 static int sane_layout(AVChannelLayout *ch_layout) {
107
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 36 if(ch_layout->nb_channels >= SWR_CH_MAX)
108 ✗ return 0;
109
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 36 if(ch_layout->order == AV_CHANNEL_ORDER_CUSTOM)
110
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 9 for (int i = 0; i < ch_layout->nb_channels; i++) {
111
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 8 if (ch_layout->u.map[i].id >= 64)
112 ✗ return 0;
113 }
114
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 35 else if (ch_layout->order != AV_CHANNEL_ORDER_NATIVE)
115 ✗ return 0;
116
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 36 if(!av_channel_layout_subset(ch_layout, AV_CH_LAYOUT_SURROUND)) // at least 1 front speaker
117 ✗ return 0;
118
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 36 if(!even(av_channel_layout_subset(ch_layout, (AV_CH_FRONT_LEFT | AV_CH_FRONT_RIGHT)))) // no asymetric front
119 ✗ return 0;
120
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 36 if(!even(av_channel_layout_subset(ch_layout, (AV_CH_SIDE_LEFT | AV_CH_SIDE_RIGHT)))) // no asymetric side
121 ✗ return 0;
122
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 36 if(!even(av_channel_layout_subset(ch_layout, (AV_CH_BACK_LEFT | AV_CH_BACK_RIGHT))))
123 ✗ return 0;
124
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 36 if(!even(av_channel_layout_subset(ch_layout, (AV_CH_FRONT_LEFT_OF_CENTER | AV_CH_FRONT_RIGHT_OF_CENTER))))
125 ✗ return 0;
126
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 36 if(!even(av_channel_layout_subset(ch_layout, (AV_CH_TOP_FRONT_LEFT | AV_CH_TOP_FRONT_RIGHT))))
127 ✗ return 0;
128
129 36 return 1;
130 }
131
132 18 static void build_matrix(const AVChannelLayout *in_ch_layout, const AVChannelLayout *out_ch_layout,
133 double center_mix_level, double surround_mix_level,
134 double lfe_mix_level, double maxval, double rematrix_volume, double *matrix_param,
135 ptrdiff_t stride, enum AVMatrixEncoding matrix_encoding)
136 {
137 18 double matrix[NUM_NAMED_CHANNELS][NUM_NAMED_CHANNELS]={{0}};
138 18 uint64_t unaccounted = av_channel_layout_subset(in_ch_layout, UINT64_MAX) &
139 18 ~av_channel_layout_subset(out_ch_layout, UINT64_MAX);
140 18 double maxcoef=0;
141 int i, j;
142
143
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 342 for(i=0; i<FF_ARRAY_ELEMS(matrix); i++){
144
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 324 if( av_channel_layout_index_from_channel(in_ch_layout, i) >= 0
145
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 38 && av_channel_layout_index_from_channel(out_ch_layout, i) >= 0)
146 13 matrix[i][i]= 1.0;
147 }
148
149 //FIXME implement dolby surround
150 //FIXME implement full ac3
151
152
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 18 if(unaccounted & AV_CH_FRONT_CENTER){
153
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 5 if (av_channel_layout_subset(out_ch_layout, AV_CH_LAYOUT_STEREO) == AV_CH_LAYOUT_STEREO) {
154
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 5 if (av_channel_layout_subset(in_ch_layout, AV_CH_LAYOUT_STEREO)) {
155 2 matrix[ FRONT_LEFT][FRONT_CENTER]+= center_mix_level;
156 2 matrix[FRONT_RIGHT][FRONT_CENTER]+= center_mix_level;
157 } else {
158 3 matrix[ FRONT_LEFT][FRONT_CENTER]+= M_SQRT1_2;
159 3 matrix[FRONT_RIGHT][FRONT_CENTER]+= M_SQRT1_2;
160 }
161 }else
162 ✗ av_assert0(0);
163 }
164
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 18 if(unaccounted & AV_CH_LAYOUT_STEREO){
165
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 5 if (av_channel_layout_index_from_channel(out_ch_layout, AV_CHAN_FRONT_CENTER) >= 0) {
166 5 matrix[FRONT_CENTER][ FRONT_LEFT]+= M_SQRT1_2;
167 5 matrix[FRONT_CENTER][FRONT_RIGHT]+= M_SQRT1_2;
168
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 5 if (av_channel_layout_index_from_channel(in_ch_layout, AV_CHAN_FRONT_CENTER) >= 0)
169 ✗ matrix[FRONT_CENTER][ FRONT_CENTER] = center_mix_level*sqrt(2);
170 }else
171 ✗ av_assert0(0);
172 }
173
174
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 18 if(unaccounted & AV_CH_BACK_CENTER){
175 ✗ if (av_channel_layout_index_from_channel(out_ch_layout, AV_CHAN_BACK_LEFT) >= 0) {
176 ✗ matrix[ BACK_LEFT][BACK_CENTER]+= M_SQRT1_2;
177 ✗ matrix[BACK_RIGHT][BACK_CENTER]+= M_SQRT1_2;
178 ✗ } else if (av_channel_layout_index_from_channel(out_ch_layout, AV_CHAN_SIDE_LEFT) >= 0) {
179 ✗ matrix[ SIDE_LEFT][BACK_CENTER]+= M_SQRT1_2;
180 ✗ matrix[SIDE_RIGHT][BACK_CENTER]+= M_SQRT1_2;
181 ✗ } else if (av_channel_layout_index_from_channel(out_ch_layout, AV_CHAN_FRONT_LEFT) >= 0) {
182 ✗ if (matrix_encoding == AV_MATRIX_ENCODING_DOLBY ||
183 matrix_encoding == AV_MATRIX_ENCODING_DPLII) {
184 ✗ if (unaccounted & (AV_CH_BACK_LEFT | AV_CH_SIDE_LEFT)) {
185 ✗ matrix[FRONT_LEFT ][BACK_CENTER] -= surround_mix_level * M_SQRT1_2;
186 ✗ matrix[FRONT_RIGHT][BACK_CENTER] += surround_mix_level * M_SQRT1_2;
187 } else {
188 ✗ matrix[FRONT_LEFT ][BACK_CENTER] -= surround_mix_level;
189 ✗ matrix[FRONT_RIGHT][BACK_CENTER] += surround_mix_level;
190 }
191 } else {
192 ✗ matrix[ FRONT_LEFT][BACK_CENTER]+= surround_mix_level * M_SQRT1_2;
193 ✗ matrix[FRONT_RIGHT][BACK_CENTER]+= surround_mix_level * M_SQRT1_2;
194 }
195 ✗ } else if (av_channel_layout_index_from_channel(out_ch_layout, AV_CHAN_FRONT_CENTER) >= 0) {
196 ✗ matrix[ FRONT_CENTER][BACK_CENTER]+= surround_mix_level * M_SQRT1_2;
197 }else
198 ✗ av_assert0(0);
199 }
200
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 18 if(unaccounted & AV_CH_BACK_LEFT){
201
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 2 if (av_channel_layout_index_from_channel(out_ch_layout, AV_CHAN_BACK_CENTER) >= 0) {
202 ✗ matrix[BACK_CENTER][ BACK_LEFT]+= M_SQRT1_2;
203 ✗ matrix[BACK_CENTER][BACK_RIGHT]+= M_SQRT1_2;
204
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 2 } else if (av_channel_layout_index_from_channel(out_ch_layout, AV_CHAN_SIDE_LEFT) >= 0) {
205 ✗ if (av_channel_layout_index_from_channel(in_ch_layout, AV_CHAN_SIDE_LEFT) >= 0) {
206 ✗ matrix[ SIDE_LEFT][ BACK_LEFT]+= M_SQRT1_2;
207 ✗ matrix[SIDE_RIGHT][BACK_RIGHT]+= M_SQRT1_2;
208 }else{
209 ✗ matrix[ SIDE_LEFT][ BACK_LEFT]+= 1.0;
210 ✗ matrix[SIDE_RIGHT][BACK_RIGHT]+= 1.0;
211 }
212
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 2 } else if (av_channel_layout_index_from_channel(out_ch_layout, AV_CHAN_FRONT_LEFT) >= 0) {
213
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 2 if (matrix_encoding == AV_MATRIX_ENCODING_DOLBY) {
214 ✗ matrix[FRONT_LEFT ][BACK_LEFT ] -= surround_mix_level * M_SQRT1_2;
215 ✗ matrix[FRONT_LEFT ][BACK_RIGHT] -= surround_mix_level * M_SQRT1_2;
216 ✗ matrix[FRONT_RIGHT][BACK_LEFT ] += surround_mix_level * M_SQRT1_2;
217 ✗ matrix[FRONT_RIGHT][BACK_RIGHT] += surround_mix_level * M_SQRT1_2;
218
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 2 } else if (matrix_encoding == AV_MATRIX_ENCODING_DPLII) {
219 ✗ matrix[FRONT_LEFT ][BACK_LEFT ] -= surround_mix_level * SQRT3_2;
220 ✗ matrix[FRONT_LEFT ][BACK_RIGHT] -= surround_mix_level * M_SQRT1_2;
221 ✗ matrix[FRONT_RIGHT][BACK_LEFT ] += surround_mix_level * M_SQRT1_2;
222 ✗ matrix[FRONT_RIGHT][BACK_RIGHT] += surround_mix_level * SQRT3_2;
223 } else {
224 2 matrix[ FRONT_LEFT][ BACK_LEFT] += surround_mix_level;
225 2 matrix[FRONT_RIGHT][BACK_RIGHT] += surround_mix_level;
226 }
227 ✗ } else if (av_channel_layout_index_from_channel(out_ch_layout, AV_CHAN_FRONT_CENTER) >= 0) {
228 ✗ matrix[ FRONT_CENTER][BACK_LEFT ]+= surround_mix_level*M_SQRT1_2;
229 ✗ matrix[ FRONT_CENTER][BACK_RIGHT]+= surround_mix_level*M_SQRT1_2;
230 }else
231 ✗ av_assert0(0);
232 }
233
234
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 18 if(unaccounted & AV_CH_SIDE_LEFT){
235
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 2 if (av_channel_layout_index_from_channel(out_ch_layout, AV_CHAN_BACK_LEFT) >= 0) {
236 /* if back channels do not exist in the input, just copy side
237 channels to back channels, otherwise mix side into back */
238 ✗ if (av_channel_layout_index_from_channel(in_ch_layout, AV_CHAN_BACK_LEFT) >= 0) {
239 ✗ matrix[BACK_LEFT ][SIDE_LEFT ] += M_SQRT1_2;
240 ✗ matrix[BACK_RIGHT][SIDE_RIGHT] += M_SQRT1_2;
241 } else {
242 ✗ matrix[BACK_LEFT ][SIDE_LEFT ] += 1.0;
243 ✗ matrix[BACK_RIGHT][SIDE_RIGHT] += 1.0;
244 }
245
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 2 } else if (av_channel_layout_index_from_channel(out_ch_layout, AV_CHAN_BACK_CENTER) >= 0) {
246 ✗ matrix[BACK_CENTER][ SIDE_LEFT]+= M_SQRT1_2;
247 ✗ matrix[BACK_CENTER][SIDE_RIGHT]+= M_SQRT1_2;
248
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 2 } else if (av_channel_layout_index_from_channel(out_ch_layout, AV_CHAN_FRONT_LEFT) >= 0) {
249
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 2 if (matrix_encoding == AV_MATRIX_ENCODING_DOLBY) {
250 ✗ matrix[FRONT_LEFT ][SIDE_LEFT ] -= surround_mix_level * M_SQRT1_2;
251 ✗ matrix[FRONT_LEFT ][SIDE_RIGHT] -= surround_mix_level * M_SQRT1_2;
252 ✗ matrix[FRONT_RIGHT][SIDE_LEFT ] += surround_mix_level * M_SQRT1_2;
253 ✗ matrix[FRONT_RIGHT][SIDE_RIGHT] += surround_mix_level * M_SQRT1_2;
254
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 2 } else if (matrix_encoding == AV_MATRIX_ENCODING_DPLII) {
255 ✗ matrix[FRONT_LEFT ][SIDE_LEFT ] -= surround_mix_level * SQRT3_2;
256 ✗ matrix[FRONT_LEFT ][SIDE_RIGHT] -= surround_mix_level * M_SQRT1_2;
257 ✗ matrix[FRONT_RIGHT][SIDE_LEFT ] += surround_mix_level * M_SQRT1_2;
258 ✗ matrix[FRONT_RIGHT][SIDE_RIGHT] += surround_mix_level * SQRT3_2;
259 } else {
260 2 matrix[ FRONT_LEFT][ SIDE_LEFT] += surround_mix_level;
261 2 matrix[FRONT_RIGHT][SIDE_RIGHT] += surround_mix_level;
262 }
263 ✗ } else if (av_channel_layout_index_from_channel(out_ch_layout, AV_CHAN_FRONT_CENTER) >= 0) {
264 ✗ matrix[ FRONT_CENTER][SIDE_LEFT ]+= surround_mix_level * M_SQRT1_2;
265 ✗ matrix[ FRONT_CENTER][SIDE_RIGHT]+= surround_mix_level * M_SQRT1_2;
266 }else
267 ✗ av_assert0(0);
268 }
269
270
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 18 if(unaccounted & AV_CH_FRONT_LEFT_OF_CENTER){
271 ✗ if (av_channel_layout_index_from_channel(out_ch_layout, AV_CHAN_FRONT_LEFT) >= 0) {
272 ✗ matrix[ FRONT_LEFT][ FRONT_LEFT_OF_CENTER]+= 1.0;
273 ✗ matrix[FRONT_RIGHT][FRONT_RIGHT_OF_CENTER]+= 1.0;
274 ✗ } else if (av_channel_layout_index_from_channel(out_ch_layout, AV_CHAN_FRONT_CENTER) >= 0) {
275 ✗ matrix[ FRONT_CENTER][ FRONT_LEFT_OF_CENTER]+= M_SQRT1_2;
276 ✗ matrix[ FRONT_CENTER][FRONT_RIGHT_OF_CENTER]+= M_SQRT1_2;
277 }else
278 ✗ av_assert0(0);
279 }
280
281
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 18 if (unaccounted & AV_CH_TOP_FRONT_LEFT) {
282 ✗ if (av_channel_layout_index_from_channel(out_ch_layout, AV_CHAN_TOP_FRONT_CENTER) >= 0) {
283 ✗ matrix[TOP_FRONT_CENTER][TOP_FRONT_LEFT ] += M_SQRT1_2;
284 ✗ matrix[TOP_FRONT_CENTER][TOP_FRONT_RIGHT] += M_SQRT1_2;
285 ✗ if (av_channel_layout_index_from_channel(in_ch_layout, AV_CHAN_TOP_FRONT_CENTER) >= 0)
286 ✗ matrix[TOP_FRONT_CENTER][TOP_FRONT_CENTER] = center_mix_level * sqrt(2);
287 ✗ } else if (av_channel_layout_index_from_channel(out_ch_layout, AV_CHAN_FRONT_LEFT) >= 0) {
288 ✗ if (av_channel_layout_index_from_channel(in_ch_layout, AV_CHAN_FRONT_LEFT) >= 0) {
289 ✗ matrix[FRONT_LEFT ][TOP_FRONT_LEFT ] += M_SQRT1_2;
290 ✗ matrix[FRONT_RIGHT][TOP_FRONT_RIGHT] += M_SQRT1_2;
291 } else {
292 ✗ matrix[FRONT_LEFT ][TOP_FRONT_LEFT ] += 1.0;
293 ✗ matrix[FRONT_RIGHT][TOP_FRONT_RIGHT] += 1.0;
294 }
295 ✗ } else if (av_channel_layout_index_from_channel(out_ch_layout, AV_CHAN_FRONT_CENTER) >= 0) {
296 ✗ matrix[FRONT_CENTER][TOP_FRONT_LEFT ] += M_SQRT1_2;
297 ✗ matrix[FRONT_CENTER][TOP_FRONT_RIGHT] += M_SQRT1_2;
298 } else
299 ✗ av_assert0(0);
300 }
301
302 /* mix LFE into front left/right or center */
303
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 18 if (unaccounted & AV_CH_LOW_FREQUENCY) {
304
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 2 if (av_channel_layout_index_from_channel(out_ch_layout, AV_CHAN_FRONT_CENTER) >= 0) {
305 ✗ matrix[FRONT_CENTER][LOW_FREQUENCY] += lfe_mix_level;
306
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 2 } else if (av_channel_layout_index_from_channel(out_ch_layout, AV_CHAN_FRONT_LEFT) >= 0) {
307 2 matrix[FRONT_LEFT ][LOW_FREQUENCY] += lfe_mix_level * M_SQRT1_2;
308 2 matrix[FRONT_RIGHT][LOW_FREQUENCY] += lfe_mix_level * M_SQRT1_2;
309 } else
310 ✗ av_assert0(0);
311 }
312
313
314
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 1170 for (i = 0; i < 64; i++) {
315 1152 double sum=0;
316 1152 int out_i = av_channel_layout_index_from_channel(out_ch_layout, i);
317
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 1152 if (out_i < 0)
318 1124 continue;
319
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 1820 for(j=0; j<64; j++){
320 1792 int in_i = av_channel_layout_index_from_channel(in_ch_layout, j);
321
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 1792 if (in_i < 0)
322 1725 continue;
323
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 67 if (i < FF_ARRAY_ELEMS(matrix) && j < FF_ARRAY_ELEMS(matrix[0]))
324 67 matrix_param[stride*out_i + in_i] = matrix[i][j];
325 else
326 ✗ matrix_param[stride*out_i + in_i] = i == j &&
327 ✗ ( av_channel_layout_index_from_channel(in_ch_layout, i) >= 0
328 ✗ && av_channel_layout_index_from_channel(out_ch_layout, i) >= 0);
329 67 sum += fabs(matrix_param[stride*out_i + in_i]);
330 }
331
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 28 maxcoef= FFMAX(maxcoef, sum);
332 }
333
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 18 if(rematrix_volume < 0)
334 ✗ maxcoef = -rematrix_volume;
335
336
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 18 if(maxcoef > maxval || rematrix_volume < 0){
337 7 maxcoef /= maxval;
338
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 455 for(i=0; i<SWR_CH_MAX; i++)
339
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 29120 for(j=0; j<SWR_CH_MAX; j++){
340 28672 matrix_param[stride*i + j] /= maxcoef;
341 }
342 }
343 18 }
344
345 18 av_cold int swr_build_matrix2(const AVChannelLayout *in_layout, const AVChannelLayout *out_layout,
346 double center_mix_level, double surround_mix_level,
347 double lfe_mix_level, double maxval,
348 double rematrix_volume, double *matrix_param,
349 ptrdiff_t stride, enum AVMatrixEncoding matrix_encoding, void *log_context)
350 {
351 int i, j, ret;
352 18 AVChannelLayout in_ch_layout = { 0 }, out_ch_layout = { 0 };
353 char buf[128];
354
355 18 ret = clean_layout(&in_ch_layout, in_layout, log_context);
356 18 ret |= clean_layout(&out_ch_layout, out_layout, log_context);
357
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 18 if (ret < 0)
358 ✗ goto fail;
359
360
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 18 if( !av_channel_layout_compare(&out_ch_layout, &(AVChannelLayout)AV_CHANNEL_LAYOUT_STEREO_DOWNMIX)
361 ✗ && !av_channel_layout_subset(&in_ch_layout, AV_CH_LAYOUT_STEREO_DOWNMIX)
362 ) {
363 ✗ av_channel_layout_uninit(&out_ch_layout);
364 ✗ out_ch_layout = (AVChannelLayout)AV_CHANNEL_LAYOUT_STEREO;
365 }
366
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 18 if( !av_channel_layout_compare(&in_ch_layout, &(AVChannelLayout)AV_CHANNEL_LAYOUT_STEREO_DOWNMIX)
367 ✗ && !av_channel_layout_subset(&out_ch_layout, AV_CH_LAYOUT_STEREO_DOWNMIX)
368 ) {
369 ✗ av_channel_layout_uninit(&in_ch_layout);
370 ✗ in_ch_layout = (AVChannelLayout)AV_CHANNEL_LAYOUT_STEREO;
371 }
372
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 18 if (!av_channel_layout_compare(&in_ch_layout, &(AVChannelLayout)AV_CHANNEL_LAYOUT_22POINT2) &&
373 ✗ av_channel_layout_compare(&out_ch_layout, &(AVChannelLayout)AV_CHANNEL_LAYOUT_22POINT2)) {
374 ✗ av_channel_layout_from_mask(&in_ch_layout, (AV_CH_LAYOUT_7POINT1_WIDE_BACK|AV_CH_BACK_CENTER));
375 ✗ av_channel_layout_describe(&in_ch_layout, buf, sizeof(buf));
376 ✗ av_log(log_context, AV_LOG_WARNING,
377 "Full-on remixing from 22.2 has not yet been implemented! "
378 "Processing the input as '%s'\n",
379 buf);
380 }
381
382
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 18 if(!av_channel_layout_check(&in_ch_layout)) {
383 ✗ av_log(log_context, AV_LOG_ERROR, "Input channel layout is invalid\n");
384 ✗ ret = AVERROR(EINVAL);
385 ✗ goto fail;
386 }
387
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 18 if(!sane_layout(&in_ch_layout)) {
388 ✗ av_channel_layout_describe(&in_ch_layout, buf, sizeof(buf));
389 ✗ av_log(log_context, AV_LOG_ERROR, "Input channel layout '%s' is not supported\n", buf);
390 ✗ ret = AVERROR(EINVAL);
391 ✗ goto fail;
392 }
393
394
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 18 if(!av_channel_layout_check(&out_ch_layout)) {
395 ✗ av_log(log_context, AV_LOG_ERROR, "Output channel layout is invalid\n");
396 ✗ ret = AVERROR(EINVAL);
397 ✗ goto fail;
398 }
399
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 18 if(!sane_layout(&out_ch_layout)) {
400 ✗ av_channel_layout_describe(&out_ch_layout, buf, sizeof(buf));
401 ✗ av_log(log_context, AV_LOG_ERROR, "Output channel layout '%s' is not supported\n", buf);
402 ✗ ret = AVERROR(EINVAL);
403 ✗ goto fail;
404 }
405
406 18 build_matrix(&in_ch_layout, &out_ch_layout, center_mix_level,
407 surround_mix_level, lfe_mix_level, maxval, rematrix_volume,
408 matrix_param, stride, matrix_encoding);
409
410
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 18 if(rematrix_volume > 0){
411
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 1170 for(i=0; i<SWR_CH_MAX; i++)
412
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 74880 for(j=0; j<SWR_CH_MAX; j++){
413 73728 matrix_param[stride*i + j] *= rematrix_volume;
414 }
415 }
416
417 18 av_log(log_context, AV_LOG_DEBUG, "Matrix coefficients:\n");
418
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 46 for (i = 0; i < out_ch_layout.nb_channels; i++){
419 28 av_channel_name(buf, sizeof(buf), av_channel_layout_channel_from_index(&out_ch_layout, i));
420 28 av_log(log_context, AV_LOG_DEBUG, "%s: ", buf);
421
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 95 for (j = 0; j < in_ch_layout.nb_channels; j++){
422 67 av_channel_name(buf, sizeof(buf), av_channel_layout_channel_from_index(&in_ch_layout, j));
423 67 av_log(log_context, AV_LOG_DEBUG, "%s:%f ", buf, matrix_param[stride*i + j]);
424 }
425 28 av_log(log_context, AV_LOG_DEBUG, "\n");
426 }
427
428 18 ret = 0;
429 18 fail:
430 18 av_channel_layout_uninit(&in_ch_layout);
431 18 av_channel_layout_uninit(&out_ch_layout);
432
433 18 return ret;
434 }
435
436 18 av_cold static int auto_matrix(SwrContext *s)
437 {
438 double maxval;
439 int ret;
440
441
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 18 if (s->rematrix_maxval > 0) {
442 ✗ maxval = s->rematrix_maxval;
443
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 18 } else if ( av_get_packed_sample_fmt(s->out_sample_fmt) < AV_SAMPLE_FMT_FLT
444
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 1 || av_get_packed_sample_fmt(s->int_sample_fmt) < AV_SAMPLE_FMT_FLT) {
445 17 maxval = 1.0;
446 } else
447 1 maxval = INT_MAX;
448
449 18 memset(s->matrix, 0, sizeof(s->matrix));
450 18 ret = swr_build_matrix2(&s->in_ch_layout, &s->out_ch_layout,
451 18 s->clev, s->slev, s->lfe_mix_level,
452 18 maxval, s->rematrix_volume, (double*)s->matrix,
453 18 s->matrix[1] - s->matrix[0], s->matrix_encoding, s);
454
455
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 18 if (ret >= 0 && s->int_sample_fmt == AV_SAMPLE_FMT_FLTP) {
456 int i, j;
457
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 455 for (i = 0; i < FF_ARRAY_ELEMS(s->matrix[0]); i++)
458
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 29120 for (j = 0; j < FF_ARRAY_ELEMS(s->matrix[0]); j++)
459 28672 s->matrix_flt[i][j] = s->matrix[i][j];
460 }
461
462 18 return ret;
463 }
464
465 26 av_cold int swri_rematrix_init(SwrContext *s){
466 int i, j;
467 26 int nb_in = s->used_ch_layout.nb_channels;
468 26 int nb_out = s->out.ch_count;
469
470 26 s->mix_any_f = NULL;
471
472
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 26 if (!s->rematrix_custom) {
473 18 int r = auto_matrix(s);
474
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 18 if (r)
475 ✗ return r;
476 }
477
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 26 if (s->midbuf.fmt == AV_SAMPLE_FMT_S16P){
478 19 int maxsum = 0;
479 19 s->native_matrix = av_calloc(nb_in * nb_out, sizeof(int));
480 19 s->native_one = av_mallocz(sizeof(int));
481
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 19 if (!s->native_matrix || !s->native_one)
482 ✗ return AVERROR(ENOMEM);
483
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 61 for (i = 0; i < nb_out; i++) {
484 42 double rem = 0;
485 42 int sum = 0;
486
487
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 208 for (j = 0; j < nb_in; j++) {
488 166 double target = s->matrix[i][j] * 32768 + rem;
489 166 ((int*)s->native_matrix)[i * nb_in + j] = lrintf(target);
490 166 rem += target - ((int*)s->native_matrix)[i * nb_in + j];
491 166 sum += FFABS(((int*)s->native_matrix)[i * nb_in + j]);
492 }
493 42 maxsum = FFMAX(maxsum, sum);
494 }
495 19 *((int*)s->native_one) = 32768;
496
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 19 if (maxsum <= 32768) {
497 10 s->mix_1_1_f = (mix_1_1_func_type*)copy_s16;
498 10 s->mix_2_1_f = (mix_2_1_func_type*)sum2_s16;
499 10 s->mix_any_f = (mix_any_func_type*)get_mix_any_func_s16(s);
500 } else {
501 9 s->mix_1_1_f = (mix_1_1_func_type*)copy_clip_s16;
502 9 s->mix_2_1_f = (mix_2_1_func_type*)sum2_clip_s16;
503 9 s->mix_any_f = (mix_any_func_type*)get_mix_any_func_clip_s16(s);
504 }
505
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 7 }else if(s->midbuf.fmt == AV_SAMPLE_FMT_FLTP){
506 7 s->native_matrix = av_calloc(nb_in * nb_out, sizeof(float));
507 7 s->native_one = av_mallocz(sizeof(float));
508
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 7 if (!s->native_matrix || !s->native_one)
509 ✗ return AVERROR(ENOMEM);
510
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 20 for (i = 0; i < nb_out; i++)
511
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 37 for (j = 0; j < nb_in; j++)
512 24 ((float*)s->native_matrix)[i * nb_in + j] = s->matrix[i][j];
513 7 *((float*)s->native_one) = 1.0;
514 7 s->mix_1_1_f = (mix_1_1_func_type*)copy_float;
515 7 s->mix_2_1_f = (mix_2_1_func_type*)sum2_float;
516 7 s->mix_any_f = (mix_any_func_type*)get_mix_any_func_float(s);
517 ✗ }else if(s->midbuf.fmt == AV_SAMPLE_FMT_DBLP){
518 ✗ s->native_matrix = av_calloc(nb_in * nb_out, sizeof(double));
519 ✗ s->native_one = av_mallocz(sizeof(double));
520 ✗ if (!s->native_matrix || !s->native_one)
521 ✗ return AVERROR(ENOMEM);
522 ✗ for (i = 0; i < nb_out; i++)
523 ✗ for (j = 0; j < nb_in; j++)
524 ✗ ((double*)s->native_matrix)[i * nb_in + j] = s->matrix[i][j];
525 ✗ *((double*)s->native_one) = 1.0;
526 ✗ s->mix_1_1_f = (mix_1_1_func_type*)copy_double;
527 ✗ s->mix_2_1_f = (mix_2_1_func_type*)sum2_double;
528 ✗ s->mix_any_f = (mix_any_func_type*)get_mix_any_func_double(s);
529 ✗ }else if(s->midbuf.fmt == AV_SAMPLE_FMT_S32P){
530 ✗ s->native_one = av_mallocz(sizeof(int));
531 ✗ if (!s->native_one)
532 ✗ return AVERROR(ENOMEM);
533 ✗ s->native_matrix = av_calloc(nb_in * nb_out, sizeof(int));
534 ✗ if (!s->native_matrix) {
535 ✗ av_freep(&s->native_one);
536 ✗ return AVERROR(ENOMEM);
537 }
538 ✗ for (i = 0; i < nb_out; i++) {
539 ✗ double rem = 0;
540
541 ✗ for (j = 0; j < nb_in; j++) {
542 ✗ double target = s->matrix[i][j] * 32768 + rem;
543 ✗ ((int*)s->native_matrix)[i * nb_in + j] = lrintf(target);
544 ✗ rem += target - ((int*)s->native_matrix)[i * nb_in + j];
545 }
546 }
547 ✗ *((int*)s->native_one) = 32768;
548 ✗ s->mix_1_1_f = (mix_1_1_func_type*)copy_s32;
549 ✗ s->mix_2_1_f = (mix_2_1_func_type*)sum2_s32;
550 ✗ s->mix_any_f = (mix_any_func_type*)get_mix_any_func_s32(s);
551 }else
552 ✗ av_assert0(0);
553 //FIXME quantize for integeres
554
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 1690 for (i = 0; i < SWR_CH_MAX; i++) {
555 1664 int ch_in=0;
556
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 108160 for (j = 0; j < SWR_CH_MAX; j++) {
557 106496 s->matrix32[i][j]= lrintf(s->matrix[i][j] * 32768);
558
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 106496 if(s->matrix[i][j])
559 87 s->matrix_ch[i][++ch_in]= j;
560 }
561 1664 s->matrix_ch[i][0]= ch_in;
562 }
563
564 #if ARCH_X86 && HAVE_X86ASM && HAVE_MMX
565 26 return swri_rematrix_init_x86(s);
566 #endif
567
568 return 0;
569 }
570
571 4025 av_cold void swri_rematrix_free(SwrContext *s){
572 4025 av_freep(&s->native_matrix);
573 4025 av_freep(&s->native_one);
574 4025 av_freep(&s->native_simd_matrix);
575 4025 av_freep(&s->native_simd_one);
576 4025 }
577
578 1085 int swri_rematrix(SwrContext *s, AudioData *out, AudioData *in, int len, int mustcopy){
579 int out_i, in_i, i, j;
580 1085 int len1 = 0;
581 1085 int off = 0;
582
583
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 1085 if(s->mix_any_f) {
584 4 s->mix_any_f(out->ch, (const uint8_t **)in->ch, s->native_matrix, len);
585 4 return 0;
586 }
587
588
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 1081 if(s->mix_2_1_simd || s->mix_1_1_simd){
589 47 len1= len&~15;
590 47 off = len1 * out->bps;
591 }
592
593
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 1081 av_assert0(s->out_ch_layout.order == AV_CHANNEL_ORDER_UNSPEC || out->ch_count == s->out_ch_layout.nb_channels);
594
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 1081 av_assert0(s-> in_ch_layout.order == AV_CHANNEL_ORDER_UNSPEC || in ->ch_count == s->in_ch_layout.nb_channels);
595
596
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 3293 for(out_i=0; out_i<out->ch_count; out_i++){
597
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 2212 switch(s->matrix_ch[out_i][0]){
598 532 case 0:
599
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 532 if(mustcopy)
600 ✗ memset(out->ch[out_i], 0, len * av_get_bytes_per_sample(s->int_sample_fmt));
601 532 break;
602 923 case 1:
603 923 in_i= s->matrix_ch[out_i][1];
604
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 923 if(s->matrix[out_i][in_i]!=1.0){
605
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 142 if(s->mix_1_1_simd && len1)
606 94 s->mix_1_1_simd(out->ch[out_i] , in->ch[in_i] , s->native_simd_matrix, in->ch_count*out_i + in_i, len1);
607
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 142 if(len != len1)
608 48 s->mix_1_1_f (out->ch[out_i]+off, in->ch[in_i]+off, s->native_matrix, in->ch_count*out_i + in_i, len-len1);
609
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 781 }else if(mustcopy){
610 ✗ memcpy(out->ch[out_i], in->ch[in_i], len*out->bps);
611 }else{
612 781 out->ch[out_i]= in->ch[in_i];
613 }
614 923 break;
615 627 case 2: {
616 627 int in_i1 = s->matrix_ch[out_i][1];
617 627 int in_i2 = s->matrix_ch[out_i][2];
618
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 627 if(s->mix_2_1_simd && len1)
619 ✗ s->mix_2_1_simd(out->ch[out_i] , in->ch[in_i1] , in->ch[in_i2] , s->native_simd_matrix, in->ch_count*out_i + in_i1, in->ch_count*out_i + in_i2, len1);
620 else
621 627 s->mix_2_1_f (out->ch[out_i] , in->ch[in_i1] , in->ch[in_i2] , s->native_matrix, in->ch_count*out_i + in_i1, in->ch_count*out_i + in_i2, len1);
622
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 627 if(len != len1)
623 625 s->mix_2_1_f (out->ch[out_i]+off, in->ch[in_i1]+off, in->ch[in_i2]+off, s->native_matrix, in->ch_count*out_i + in_i1, in->ch_count*out_i + in_i2, len-len1);
624 627 break;}
625 130 default:
626
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 130 if(s->int_sample_fmt == AV_SAMPLE_FMT_FLTP){
627 ✗ for(i=0; i<len; i++){
628 ✗ float v=0;
629 ✗ for(j=0; j<s->matrix_ch[out_i][0]; j++){
630 ✗ in_i= s->matrix_ch[out_i][1+j];
631 ✗ v+= ((float*)in->ch[in_i])[i] * s->matrix_flt[out_i][in_i];
632 }
633 ✗ ((float*)out->ch[out_i])[i]= v;
634 }
635
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 130 }else if(s->int_sample_fmt == AV_SAMPLE_FMT_DBLP){
636 ✗ for(i=0; i<len; i++){
637 ✗ double v=0;
638 ✗ for(j=0; j<s->matrix_ch[out_i][0]; j++){
639 ✗ in_i= s->matrix_ch[out_i][1+j];
640 ✗ v+= ((double*)in->ch[in_i])[i] * s->matrix[out_i][in_i];
641 }
642 ✗ ((double*)out->ch[out_i])[i]= v;
643 }
644 }else{
645
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 529330 for(i=0; i<len; i++){
646 529200 int v=0;
647
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 2646000 for(j=0; j<s->matrix_ch[out_i][0]; j++){
648 2116800 in_i= s->matrix_ch[out_i][1+j];
649 2116800 v+= ((int16_t*)in->ch[in_i])[i] * s->matrix32[out_i][in_i];
650 }
651 529200 ((int16_t*)out->ch[out_i])[i]= (v + 16384)>>15;
652 }
653 }
654 }
655 }
656 1081 return 0;
657 }
658