FFmpeg coverage

Directory: ../../../ffmpeg/
File: src/libswresample/rematrix.c
Date: 2024-11-20 23:03:26
Exec Total Coverage
Lines: 230 411 56.0%
Functions: 9 9 100.0%
Branches: 159 304 52.3%
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
85 170 static int even(int64_t layout){
86
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 170 if(!layout) return 1;
87
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 15 if(layout&(layout-1)) return 1;
88 ✗ return 0;
89 }
90
91 34 static int clean_layout(AVChannelLayout *out, const AVChannelLayout *in, void *s)
92 {
93 34 int ret = 0;
94
95
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 34 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 27 ret = av_channel_layout_copy(out, in);
102
103 34 return ret;
104 }
105
106 34 static int sane_layout(AVChannelLayout *ch_layout) {
107
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 34 if (ch_layout->order != AV_CHANNEL_ORDER_NATIVE)
108 ✗ return 0;
109
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 34 if(!av_channel_layout_subset(ch_layout, AV_CH_LAYOUT_SURROUND)) // at least 1 front speaker
110 ✗ return 0;
111
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 34 if(!even(av_channel_layout_subset(ch_layout, (AV_CH_FRONT_LEFT | AV_CH_FRONT_RIGHT)))) // no asymetric front
112 ✗ return 0;
113
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 34 if(!even(av_channel_layout_subset(ch_layout, (AV_CH_SIDE_LEFT | AV_CH_SIDE_RIGHT)))) // no asymetric side
114 ✗ return 0;
115
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 34 if(!even(av_channel_layout_subset(ch_layout, (AV_CH_BACK_LEFT | AV_CH_BACK_RIGHT))))
116 ✗ return 0;
117
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 34 if(!even(av_channel_layout_subset(ch_layout, (AV_CH_FRONT_LEFT_OF_CENTER | AV_CH_FRONT_RIGHT_OF_CENTER))))
118 ✗ return 0;
119
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 34 if(!even(av_channel_layout_subset(ch_layout, (AV_CH_TOP_FRONT_LEFT | AV_CH_TOP_FRONT_RIGHT))))
120 ✗ return 0;
121
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 34 if(ch_layout->nb_channels >= SWR_CH_MAX)
122 ✗ return 0;
123
124 34 return 1;
125 }
126
127 17 av_cold int swr_build_matrix2(const AVChannelLayout *in_layout, const AVChannelLayout *out_layout,
128 double center_mix_level, double surround_mix_level,
129 double lfe_mix_level, double maxval,
130 double rematrix_volume, double *matrix_param,
131 ptrdiff_t stride, enum AVMatrixEncoding matrix_encoding, void *log_context)
132 {
133 int i, j, out_i, ret;
134 17 AVChannelLayout in_ch_layout = { 0 }, out_ch_layout = { 0 };
135 17 double matrix[NUM_NAMED_CHANNELS][NUM_NAMED_CHANNELS]={{0}};
136 int64_t unaccounted;
137 17 double maxcoef=0;
138 char buf[128];
139
140 17 ret = clean_layout(&in_ch_layout, in_layout, log_context);
141 17 ret |= clean_layout(&out_ch_layout, out_layout, log_context);
142
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 17 if (ret < 0)
143 ✗ goto fail;
144
145
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 17 if( !av_channel_layout_compare(&out_ch_layout, &(AVChannelLayout)AV_CHANNEL_LAYOUT_STEREO_DOWNMIX)
146 ✗ && !av_channel_layout_subset(&in_ch_layout, AV_CH_LAYOUT_STEREO_DOWNMIX)
147 ) {
148 ✗ av_channel_layout_uninit(&out_ch_layout);
149 ✗ out_ch_layout = (AVChannelLayout)AV_CHANNEL_LAYOUT_STEREO;
150 }
151
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 17 if( !av_channel_layout_compare(&in_ch_layout, &(AVChannelLayout)AV_CHANNEL_LAYOUT_STEREO_DOWNMIX)
152 ✗ && !av_channel_layout_subset(&out_ch_layout, AV_CH_LAYOUT_STEREO_DOWNMIX)
153 ) {
154 ✗ av_channel_layout_uninit(&in_ch_layout);
155 ✗ in_ch_layout = (AVChannelLayout)AV_CHANNEL_LAYOUT_STEREO;
156 }
157
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 17 if (!av_channel_layout_compare(&in_ch_layout, &(AVChannelLayout)AV_CHANNEL_LAYOUT_22POINT2) &&
158 ✗ av_channel_layout_compare(&out_ch_layout, &(AVChannelLayout)AV_CHANNEL_LAYOUT_22POINT2)) {
159 ✗ av_channel_layout_from_mask(&in_ch_layout, (AV_CH_LAYOUT_7POINT1_WIDE_BACK|AV_CH_BACK_CENTER));
160 ✗ av_channel_layout_describe(&in_ch_layout, buf, sizeof(buf));
161 ✗ av_log(log_context, AV_LOG_WARNING,
162 "Full-on remixing from 22.2 has not yet been implemented! "
163 "Processing the input as '%s'\n",
164 buf);
165 }
166
167
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 17 if(!av_channel_layout_check(&in_ch_layout)) {
168 ✗ av_log(log_context, AV_LOG_ERROR, "Input channel layout is invalid\n");
169 ✗ ret = AVERROR(EINVAL);
170 ✗ goto fail;
171 }
172
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 17 if(!sane_layout(&in_ch_layout)) {
173 ✗ av_channel_layout_describe(&in_ch_layout, buf, sizeof(buf));
174 ✗ av_log(log_context, AV_LOG_ERROR, "Input channel layout '%s' is not supported\n", buf);
175 ✗ ret = AVERROR(EINVAL);
176 ✗ goto fail;
177 }
178
179
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 17 if(!av_channel_layout_check(&out_ch_layout)) {
180 ✗ av_log(log_context, AV_LOG_ERROR, "Output channel layout is invalid\n");
181 ✗ ret = AVERROR(EINVAL);
182 ✗ goto fail;
183 }
184
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 17 if(!sane_layout(&out_ch_layout)) {
185 ✗ av_channel_layout_describe(&out_ch_layout, buf, sizeof(buf));
186 ✗ av_log(log_context, AV_LOG_ERROR, "Output channel layout '%s' is not supported\n", buf);
187 ✗ ret = AVERROR(EINVAL);
188 ✗ goto fail;
189 }
190
191
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 323 for(i=0; i<FF_ARRAY_ELEMS(matrix); i++){
192
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 306 if( av_channel_layout_index_from_channel(&in_ch_layout, i) >= 0
193
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 30 && av_channel_layout_index_from_channel(&out_ch_layout, i) >= 0)
194 11 matrix[i][i]= 1.0;
195 }
196
197 17 unaccounted = in_ch_layout.u.mask & ~out_ch_layout.u.mask;
198
199 //FIXME implement dolby surround
200 //FIXME implement full ac3
201
202
203
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 17 if(unaccounted & AV_CH_FRONT_CENTER){
204
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 4 if (av_channel_layout_subset(&out_ch_layout, AV_CH_LAYOUT_STEREO) == AV_CH_LAYOUT_STEREO) {
205
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 4 if (av_channel_layout_subset(&in_ch_layout, AV_CH_LAYOUT_STEREO)) {
206 1 matrix[ FRONT_LEFT][FRONT_CENTER]+= center_mix_level;
207 1 matrix[FRONT_RIGHT][FRONT_CENTER]+= center_mix_level;
208 } else {
209 3 matrix[ FRONT_LEFT][FRONT_CENTER]+= M_SQRT1_2;
210 3 matrix[FRONT_RIGHT][FRONT_CENTER]+= M_SQRT1_2;
211 }
212 }else
213 ✗ av_assert0(0);
214 }
215
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 17 if(unaccounted & AV_CH_LAYOUT_STEREO){
216
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 5 if (av_channel_layout_index_from_channel(&out_ch_layout, AV_CHAN_FRONT_CENTER) >= 0) {
217 5 matrix[FRONT_CENTER][ FRONT_LEFT]+= M_SQRT1_2;
218 5 matrix[FRONT_CENTER][FRONT_RIGHT]+= M_SQRT1_2;
219
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 5 if (av_channel_layout_index_from_channel(&in_ch_layout, AV_CHAN_FRONT_CENTER) >= 0)
220 ✗ matrix[FRONT_CENTER][ FRONT_CENTER] = center_mix_level*sqrt(2);
221 }else
222 ✗ av_assert0(0);
223 }
224
225
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 17 if(unaccounted & AV_CH_BACK_CENTER){
226 ✗ if (av_channel_layout_index_from_channel(&out_ch_layout, AV_CHAN_BACK_LEFT) >= 0) {
227 ✗ matrix[ BACK_LEFT][BACK_CENTER]+= M_SQRT1_2;
228 ✗ matrix[BACK_RIGHT][BACK_CENTER]+= M_SQRT1_2;
229 ✗ } else if (av_channel_layout_index_from_channel(&out_ch_layout, AV_CHAN_SIDE_LEFT) >= 0) {
230 ✗ matrix[ SIDE_LEFT][BACK_CENTER]+= M_SQRT1_2;
231 ✗ matrix[SIDE_RIGHT][BACK_CENTER]+= M_SQRT1_2;
232 ✗ } else if (av_channel_layout_index_from_channel(&out_ch_layout, AV_CHAN_FRONT_LEFT) >= 0) {
233 ✗ if (matrix_encoding == AV_MATRIX_ENCODING_DOLBY ||
234 matrix_encoding == AV_MATRIX_ENCODING_DPLII) {
235 ✗ if (unaccounted & (AV_CH_BACK_LEFT | AV_CH_SIDE_LEFT)) {
236 ✗ matrix[FRONT_LEFT ][BACK_CENTER] -= surround_mix_level * M_SQRT1_2;
237 ✗ matrix[FRONT_RIGHT][BACK_CENTER] += surround_mix_level * M_SQRT1_2;
238 } else {
239 ✗ matrix[FRONT_LEFT ][BACK_CENTER] -= surround_mix_level;
240 ✗ matrix[FRONT_RIGHT][BACK_CENTER] += surround_mix_level;
241 }
242 } else {
243 ✗ matrix[ FRONT_LEFT][BACK_CENTER]+= surround_mix_level * M_SQRT1_2;
244 ✗ matrix[FRONT_RIGHT][BACK_CENTER]+= surround_mix_level * M_SQRT1_2;
245 }
246 ✗ } else if (av_channel_layout_index_from_channel(&out_ch_layout, AV_CHAN_FRONT_CENTER) >= 0) {
247 ✗ matrix[ FRONT_CENTER][BACK_CENTER]+= surround_mix_level * M_SQRT1_2;
248 }else
249 ✗ av_assert0(0);
250 }
251
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 17 if(unaccounted & AV_CH_BACK_LEFT){
252
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 1 if (av_channel_layout_index_from_channel(&out_ch_layout, AV_CHAN_BACK_CENTER) >= 0) {
253 ✗ matrix[BACK_CENTER][ BACK_LEFT]+= M_SQRT1_2;
254 ✗ matrix[BACK_CENTER][BACK_RIGHT]+= M_SQRT1_2;
255
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 1 } else if (av_channel_layout_index_from_channel(&out_ch_layout, AV_CHAN_SIDE_LEFT) >= 0) {
256 ✗ if (av_channel_layout_index_from_channel(&in_ch_layout, AV_CHAN_SIDE_LEFT) >= 0) {
257 ✗ matrix[ SIDE_LEFT][ BACK_LEFT]+= M_SQRT1_2;
258 ✗ matrix[SIDE_RIGHT][BACK_RIGHT]+= M_SQRT1_2;
259 }else{
260 ✗ matrix[ SIDE_LEFT][ BACK_LEFT]+= 1.0;
261 ✗ matrix[SIDE_RIGHT][BACK_RIGHT]+= 1.0;
262 }
263
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 1 } else if (av_channel_layout_index_from_channel(&out_ch_layout, AV_CHAN_FRONT_LEFT) >= 0) {
264
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 1 if (matrix_encoding == AV_MATRIX_ENCODING_DOLBY) {
265 ✗ matrix[FRONT_LEFT ][BACK_LEFT ] -= surround_mix_level * M_SQRT1_2;
266 ✗ matrix[FRONT_LEFT ][BACK_RIGHT] -= surround_mix_level * M_SQRT1_2;
267 ✗ matrix[FRONT_RIGHT][BACK_LEFT ] += surround_mix_level * M_SQRT1_2;
268 ✗ matrix[FRONT_RIGHT][BACK_RIGHT] += surround_mix_level * M_SQRT1_2;
269
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 1 } else if (matrix_encoding == AV_MATRIX_ENCODING_DPLII) {
270 ✗ matrix[FRONT_LEFT ][BACK_LEFT ] -= surround_mix_level * SQRT3_2;
271 ✗ matrix[FRONT_LEFT ][BACK_RIGHT] -= surround_mix_level * M_SQRT1_2;
272 ✗ matrix[FRONT_RIGHT][BACK_LEFT ] += surround_mix_level * M_SQRT1_2;
273 ✗ matrix[FRONT_RIGHT][BACK_RIGHT] += surround_mix_level * SQRT3_2;
274 } else {
275 1 matrix[ FRONT_LEFT][ BACK_LEFT] += surround_mix_level;
276 1 matrix[FRONT_RIGHT][BACK_RIGHT] += surround_mix_level;
277 }
278 ✗ } else if (av_channel_layout_index_from_channel(&out_ch_layout, AV_CHAN_FRONT_CENTER) >= 0) {
279 ✗ matrix[ FRONT_CENTER][BACK_LEFT ]+= surround_mix_level*M_SQRT1_2;
280 ✗ matrix[ FRONT_CENTER][BACK_RIGHT]+= surround_mix_level*M_SQRT1_2;
281 }else
282 ✗ av_assert0(0);
283 }
284
285
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 17 if(unaccounted & AV_CH_SIDE_LEFT){
286
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 1 if (av_channel_layout_index_from_channel(&out_ch_layout, AV_CHAN_BACK_LEFT) >= 0) {
287 /* if back channels do not exist in the input, just copy side
288 channels to back channels, otherwise mix side into back */
289 ✗ if (av_channel_layout_index_from_channel(&in_ch_layout, AV_CHAN_BACK_LEFT) >= 0) {
290 ✗ matrix[BACK_LEFT ][SIDE_LEFT ] += M_SQRT1_2;
291 ✗ matrix[BACK_RIGHT][SIDE_RIGHT] += M_SQRT1_2;
292 } else {
293 ✗ matrix[BACK_LEFT ][SIDE_LEFT ] += 1.0;
294 ✗ matrix[BACK_RIGHT][SIDE_RIGHT] += 1.0;
295 }
296
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 1 } else if (av_channel_layout_index_from_channel(&out_ch_layout, AV_CHAN_BACK_CENTER) >= 0) {
297 ✗ matrix[BACK_CENTER][ SIDE_LEFT]+= M_SQRT1_2;
298 ✗ matrix[BACK_CENTER][SIDE_RIGHT]+= M_SQRT1_2;
299
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 1 } else if (av_channel_layout_index_from_channel(&out_ch_layout, AV_CHAN_FRONT_LEFT) >= 0) {
300
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 1 if (matrix_encoding == AV_MATRIX_ENCODING_DOLBY) {
301 ✗ matrix[FRONT_LEFT ][SIDE_LEFT ] -= surround_mix_level * M_SQRT1_2;
302 ✗ matrix[FRONT_LEFT ][SIDE_RIGHT] -= surround_mix_level * M_SQRT1_2;
303 ✗ matrix[FRONT_RIGHT][SIDE_LEFT ] += surround_mix_level * M_SQRT1_2;
304 ✗ matrix[FRONT_RIGHT][SIDE_RIGHT] += surround_mix_level * M_SQRT1_2;
305
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 1 } else if (matrix_encoding == AV_MATRIX_ENCODING_DPLII) {
306 ✗ matrix[FRONT_LEFT ][SIDE_LEFT ] -= surround_mix_level * SQRT3_2;
307 ✗ matrix[FRONT_LEFT ][SIDE_RIGHT] -= surround_mix_level * M_SQRT1_2;
308 ✗ matrix[FRONT_RIGHT][SIDE_LEFT ] += surround_mix_level * M_SQRT1_2;
309 ✗ matrix[FRONT_RIGHT][SIDE_RIGHT] += surround_mix_level * SQRT3_2;
310 } else {
311 1 matrix[ FRONT_LEFT][ SIDE_LEFT] += surround_mix_level;
312 1 matrix[FRONT_RIGHT][SIDE_RIGHT] += surround_mix_level;
313 }
314 ✗ } else if (av_channel_layout_index_from_channel(&out_ch_layout, AV_CHAN_FRONT_CENTER) >= 0) {
315 ✗ matrix[ FRONT_CENTER][SIDE_LEFT ]+= surround_mix_level * M_SQRT1_2;
316 ✗ matrix[ FRONT_CENTER][SIDE_RIGHT]+= surround_mix_level * M_SQRT1_2;
317 }else
318 ✗ av_assert0(0);
319 }
320
321
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 17 if(unaccounted & AV_CH_FRONT_LEFT_OF_CENTER){
322 ✗ if (av_channel_layout_index_from_channel(&out_ch_layout, AV_CHAN_FRONT_LEFT) >= 0) {
323 ✗ matrix[ FRONT_LEFT][ FRONT_LEFT_OF_CENTER]+= 1.0;
324 ✗ matrix[FRONT_RIGHT][FRONT_RIGHT_OF_CENTER]+= 1.0;
325 ✗ } else if (av_channel_layout_index_from_channel(&out_ch_layout, AV_CHAN_FRONT_CENTER) >= 0) {
326 ✗ matrix[ FRONT_CENTER][ FRONT_LEFT_OF_CENTER]+= M_SQRT1_2;
327 ✗ matrix[ FRONT_CENTER][FRONT_RIGHT_OF_CENTER]+= M_SQRT1_2;
328 }else
329 ✗ av_assert0(0);
330 }
331
332
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 17 if (unaccounted & AV_CH_TOP_FRONT_LEFT) {
333 ✗ if (av_channel_layout_index_from_channel(&out_ch_layout, AV_CHAN_TOP_FRONT_CENTER) >= 0) {
334 ✗ matrix[TOP_FRONT_CENTER][TOP_FRONT_LEFT ] += M_SQRT1_2;
335 ✗ matrix[TOP_FRONT_CENTER][TOP_FRONT_RIGHT] += M_SQRT1_2;
336 ✗ if (av_channel_layout_index_from_channel(&in_ch_layout, AV_CHAN_TOP_FRONT_CENTER) >= 0)
337 ✗ matrix[TOP_FRONT_CENTER][TOP_FRONT_CENTER] = center_mix_level * sqrt(2);
338 ✗ } else if (av_channel_layout_index_from_channel(&out_ch_layout, AV_CHAN_FRONT_LEFT) >= 0) {
339 ✗ if (av_channel_layout_index_from_channel(&in_ch_layout, AV_CHAN_FRONT_LEFT) >= 0) {
340 ✗ matrix[FRONT_LEFT ][TOP_FRONT_LEFT ] += M_SQRT1_2;
341 ✗ matrix[FRONT_RIGHT][TOP_FRONT_RIGHT] += M_SQRT1_2;
342 } else {
343 ✗ matrix[FRONT_LEFT ][TOP_FRONT_LEFT ] += 1.0;
344 ✗ matrix[FRONT_RIGHT][TOP_FRONT_RIGHT] += 1.0;
345 }
346 ✗ } else if (av_channel_layout_index_from_channel(&out_ch_layout, AV_CHAN_FRONT_CENTER) >= 0) {
347 ✗ matrix[FRONT_CENTER][TOP_FRONT_LEFT ] += M_SQRT1_2;
348 ✗ matrix[FRONT_CENTER][TOP_FRONT_RIGHT] += M_SQRT1_2;
349 } else
350 ✗ av_assert0(0);
351 }
352
353 /* mix LFE into front left/right or center */
354
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 17 if (unaccounted & AV_CH_LOW_FREQUENCY) {
355
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 1 if (av_channel_layout_index_from_channel(&out_ch_layout, AV_CHAN_FRONT_CENTER) >= 0) {
356 ✗ matrix[FRONT_CENTER][LOW_FREQUENCY] += lfe_mix_level;
357
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 1 } else if (av_channel_layout_index_from_channel(&out_ch_layout, AV_CHAN_FRONT_LEFT) >= 0) {
358 1 matrix[FRONT_LEFT ][LOW_FREQUENCY] += lfe_mix_level * M_SQRT1_2;
359 1 matrix[FRONT_RIGHT][LOW_FREQUENCY] += lfe_mix_level * M_SQRT1_2;
360 } else
361 ✗ av_assert0(0);
362 }
363
364
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 1105 for(out_i=i=0; i<64; i++){
365 1088 double sum=0;
366 1088 int in_i=0;
367
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 1088 if (av_channel_layout_index_from_channel(&out_ch_layout, i) < 0)
368 1062 continue;
369
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 1690 for(j=0; j<64; j++){
370
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 1664 if (av_channel_layout_index_from_channel(&in_ch_layout, j) < 0)
371 1613 continue;
372
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 51 if (i < FF_ARRAY_ELEMS(matrix) && j < FF_ARRAY_ELEMS(matrix[0]))
373 51 matrix_param[stride*out_i + in_i] = matrix[i][j];
374 else
375 ✗ matrix_param[stride*out_i + in_i] = i == j &&
376 ✗ ( av_channel_layout_index_from_channel(&in_ch_layout, i) >= 0
377 ✗ && av_channel_layout_index_from_channel(&out_ch_layout, i) >= 0);
378 51 sum += fabs(matrix_param[stride*out_i + in_i]);
379 51 in_i++;
380 }
381
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 26 maxcoef= FFMAX(maxcoef, sum);
382 26 out_i++;
383 }
384
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 17 if(rematrix_volume < 0)
385 ✗ maxcoef = -rematrix_volume;
386
387
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 17 if(maxcoef > maxval || rematrix_volume < 0){
388 6 maxcoef /= maxval;
389
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 390 for(i=0; i<SWR_CH_MAX; i++)
390
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 24960 for(j=0; j<SWR_CH_MAX; j++){
391 24576 matrix_param[stride*i + j] /= maxcoef;
392 }
393 }
394
395
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 17 if(rematrix_volume > 0){
396
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397
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 70720 for(j=0; j<SWR_CH_MAX; j++){
398 69632 matrix_param[stride*i + j] *= rematrix_volume;
399 }
400 }
401
402 17 av_log(log_context, AV_LOG_DEBUG, "Matrix coefficients:\n");
403
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 43 for (i = 0; i < out_ch_layout.nb_channels; i++){
404 26 av_channel_name(buf, sizeof(buf), av_channel_layout_channel_from_index(&out_ch_layout, i));
405 26 av_log(log_context, AV_LOG_DEBUG, "%s: ", buf);
406
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 77 for (j = 0; j < in_ch_layout.nb_channels; j++){
407 51 av_channel_name(buf, sizeof(buf), av_channel_layout_channel_from_index(&in_ch_layout, j));
408 51 av_log(log_context, AV_LOG_DEBUG, "%s:%f ", buf, matrix_param[stride*i + j]);
409 }
410 26 av_log(log_context, AV_LOG_DEBUG, "\n");
411 }
412
413 17 ret = 0;
414 17 fail:
415 17 av_channel_layout_uninit(&in_ch_layout);
416 17 av_channel_layout_uninit(&out_ch_layout);
417
418 17 return ret;
419 }
420
421 17 av_cold static int auto_matrix(SwrContext *s)
422 {
423 double maxval;
424 int ret;
425
426
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 17 if (s->rematrix_maxval > 0) {
427 ✗ maxval = s->rematrix_maxval;
428
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 17 } else if ( av_get_packed_sample_fmt(s->out_sample_fmt) < AV_SAMPLE_FMT_FLT
429
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 1 || av_get_packed_sample_fmt(s->int_sample_fmt) < AV_SAMPLE_FMT_FLT) {
430 16 maxval = 1.0;
431 } else
432 1 maxval = INT_MAX;
433
434 17 memset(s->matrix, 0, sizeof(s->matrix));
435 17 ret = swr_build_matrix2(&s->in_ch_layout, &s->out_ch_layout,
436 17 s->clev, s->slev, s->lfe_mix_level,
437 17 maxval, s->rematrix_volume, (double*)s->matrix,
438 17 s->matrix[1] - s->matrix[0], s->matrix_encoding, s);
439
440
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 17 if (ret >= 0 && s->int_sample_fmt == AV_SAMPLE_FMT_FLTP) {
441 int i, j;
442
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 455 for (i = 0; i < FF_ARRAY_ELEMS(s->matrix[0]); i++)
443
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 29120 for (j = 0; j < FF_ARRAY_ELEMS(s->matrix[0]); j++)
444 28672 s->matrix_flt[i][j] = s->matrix[i][j];
445 }
446
447 17 return ret;
448 }
449
450 25 av_cold int swri_rematrix_init(SwrContext *s){
451 int i, j;
452 25 int nb_in = s->used_ch_layout.nb_channels;
453 25 int nb_out = s->out.ch_count;
454
455 25 s->mix_any_f = NULL;
456
457
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 25 if (!s->rematrix_custom) {
458 17 int r = auto_matrix(s);
459
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 17 if (r)
460 ✗ return r;
461 }
462
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 25 if (s->midbuf.fmt == AV_SAMPLE_FMT_S16P){
463 18 int maxsum = 0;
464 18 s->native_matrix = av_calloc(nb_in * nb_out, sizeof(int));
465 18 s->native_one = av_mallocz(sizeof(int));
466
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 18 if (!s->native_matrix || !s->native_one)
467 ✗ return AVERROR(ENOMEM);
468
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 58 for (i = 0; i < nb_out; i++) {
469 40 double rem = 0;
470 40 int sum = 0;
471
472
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 190 for (j = 0; j < nb_in; j++) {
473 150 double target = s->matrix[i][j] * 32768 + rem;
474 150 ((int*)s->native_matrix)[i * nb_in + j] = lrintf(target);
475 150 rem += target - ((int*)s->native_matrix)[i * nb_in + j];
476 150 sum += FFABS(((int*)s->native_matrix)[i * nb_in + j]);
477 }
478 40 maxsum = FFMAX(maxsum, sum);
479 }
480 18 *((int*)s->native_one) = 32768;
481
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 18 if (maxsum <= 32768) {
482 10 s->mix_1_1_f = (mix_1_1_func_type*)copy_s16;
483 10 s->mix_2_1_f = (mix_2_1_func_type*)sum2_s16;
484 10 s->mix_any_f = (mix_any_func_type*)get_mix_any_func_s16(s);
485 } else {
486 8 s->mix_1_1_f = (mix_1_1_func_type*)copy_clip_s16;
487 8 s->mix_2_1_f = (mix_2_1_func_type*)sum2_clip_s16;
488 8 s->mix_any_f = (mix_any_func_type*)get_mix_any_func_clip_s16(s);
489 }
490
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 7 }else if(s->midbuf.fmt == AV_SAMPLE_FMT_FLTP){
491 7 s->native_matrix = av_calloc(nb_in * nb_out, sizeof(float));
492 7 s->native_one = av_mallocz(sizeof(float));
493
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 7 if (!s->native_matrix || !s->native_one)
494 ✗ return AVERROR(ENOMEM);
495
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 20 for (i = 0; i < nb_out; i++)
496
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 37 for (j = 0; j < nb_in; j++)
497 24 ((float*)s->native_matrix)[i * nb_in + j] = s->matrix[i][j];
498 7 *((float*)s->native_one) = 1.0;
499 7 s->mix_1_1_f = (mix_1_1_func_type*)copy_float;
500 7 s->mix_2_1_f = (mix_2_1_func_type*)sum2_float;
501 7 s->mix_any_f = (mix_any_func_type*)get_mix_any_func_float(s);
502 ✗ }else if(s->midbuf.fmt == AV_SAMPLE_FMT_DBLP){
503 ✗ s->native_matrix = av_calloc(nb_in * nb_out, sizeof(double));
504 ✗ s->native_one = av_mallocz(sizeof(double));
505 ✗ if (!s->native_matrix || !s->native_one)
506 ✗ return AVERROR(ENOMEM);
507 ✗ for (i = 0; i < nb_out; i++)
508 ✗ for (j = 0; j < nb_in; j++)
509 ✗ ((double*)s->native_matrix)[i * nb_in + j] = s->matrix[i][j];
510 ✗ *((double*)s->native_one) = 1.0;
511 ✗ s->mix_1_1_f = (mix_1_1_func_type*)copy_double;
512 ✗ s->mix_2_1_f = (mix_2_1_func_type*)sum2_double;
513 ✗ s->mix_any_f = (mix_any_func_type*)get_mix_any_func_double(s);
514 ✗ }else if(s->midbuf.fmt == AV_SAMPLE_FMT_S32P){
515 ✗ s->native_one = av_mallocz(sizeof(int));
516 ✗ if (!s->native_one)
517 ✗ return AVERROR(ENOMEM);
518 ✗ s->native_matrix = av_calloc(nb_in * nb_out, sizeof(int));
519 ✗ if (!s->native_matrix) {
520 ✗ av_freep(&s->native_one);
521 ✗ return AVERROR(ENOMEM);
522 }
523 ✗ for (i = 0; i < nb_out; i++) {
524 ✗ double rem = 0;
525
526 ✗ for (j = 0; j < nb_in; j++) {
527 ✗ double target = s->matrix[i][j] * 32768 + rem;
528 ✗ ((int*)s->native_matrix)[i * nb_in + j] = lrintf(target);
529 ✗ rem += target - ((int*)s->native_matrix)[i * nb_in + j];
530 }
531 }
532 ✗ *((int*)s->native_one) = 32768;
533 ✗ s->mix_1_1_f = (mix_1_1_func_type*)copy_s32;
534 ✗ s->mix_2_1_f = (mix_2_1_func_type*)sum2_s32;
535 ✗ s->mix_any_f = (mix_any_func_type*)get_mix_any_func_s32(s);
536 }else
537 ✗ av_assert0(0);
538 //FIXME quantize for integeres
539
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 1625 for (i = 0; i < SWR_CH_MAX; i++) {
540 1600 int ch_in=0;
541
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 104000 for (j = 0; j < SWR_CH_MAX; j++) {
542 102400 s->matrix32[i][j]= lrintf(s->matrix[i][j] * 32768);
543
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 102400 if(s->matrix[i][j])
544 79 s->matrix_ch[i][++ch_in]= j;
545 }
546 1600 s->matrix_ch[i][0]= ch_in;
547 }
548
549 #if ARCH_X86 && HAVE_X86ASM && HAVE_MMX
550 25 return swri_rematrix_init_x86(s);
551 #endif
552
553 return 0;
554 }
555
556 3967 av_cold void swri_rematrix_free(SwrContext *s){
557 3967 av_freep(&s->native_matrix);
558 3967 av_freep(&s->native_one);
559 3967 av_freep(&s->native_simd_matrix);
560 3967 av_freep(&s->native_simd_one);
561 3967 }
562
563 1020 int swri_rematrix(SwrContext *s, AudioData *out, AudioData *in, int len, int mustcopy){
564 int out_i, in_i, i, j;
565 1020 int len1 = 0;
566 1020 int off = 0;
567
568
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 1020 if(s->mix_any_f) {
569 4 s->mix_any_f(out->ch, (const uint8_t **)in->ch, s->native_matrix, len);
570 4 return 0;
571 }
572
573
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 1016 if(s->mix_2_1_simd || s->mix_1_1_simd){
574 47 len1= len&~15;
575 47 off = len1 * out->bps;
576 }
577
578
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 1016 av_assert0(s->out_ch_layout.order == AV_CHANNEL_ORDER_UNSPEC || out->ch_count == s->out_ch_layout.nb_channels);
579
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 1016 av_assert0(s-> in_ch_layout.order == AV_CHANNEL_ORDER_UNSPEC || in ->ch_count == s->in_ch_layout.nb_channels);
580
581
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 3098 for(out_i=0; out_i<out->ch_count; out_i++){
582
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 2082 switch(s->matrix_ch[out_i][0]){
583 532 case 0:
584
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 532 if(mustcopy)
585 ✗ memset(out->ch[out_i], 0, len * av_get_bytes_per_sample(s->int_sample_fmt));
586 532 break;
587 923 case 1:
588 923 in_i= s->matrix_ch[out_i][1];
589
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 923 if(s->matrix[out_i][in_i]!=1.0){
590
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 142 if(s->mix_1_1_simd && len1)
591 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);
592
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 142 if(len != len1)
593 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);
594
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 781 }else if(mustcopy){
595 ✗ memcpy(out->ch[out_i], in->ch[in_i], len*out->bps);
596 }else{
597 781 out->ch[out_i]= in->ch[in_i];
598 }
599 923 break;
600 627 case 2: {
601 627 int in_i1 = s->matrix_ch[out_i][1];
602 627 int in_i2 = s->matrix_ch[out_i][2];
603
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 627 if(s->mix_2_1_simd && len1)
604 ✗ 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);
605 else
606 627 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);
607
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 627 if(len != len1)
608 625 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);
609 627 break;}
610 ✗ default:
611 ✗ if(s->int_sample_fmt == AV_SAMPLE_FMT_FLTP){
612 ✗ for(i=0; i<len; i++){
613 ✗ float v=0;
614 ✗ for(j=0; j<s->matrix_ch[out_i][0]; j++){
615 ✗ in_i= s->matrix_ch[out_i][1+j];
616 ✗ v+= ((float*)in->ch[in_i])[i] * s->matrix_flt[out_i][in_i];
617 }
618 ✗ ((float*)out->ch[out_i])[i]= v;
619 }
620 ✗ }else if(s->int_sample_fmt == AV_SAMPLE_FMT_DBLP){
621 ✗ for(i=0; i<len; i++){
622 ✗ double v=0;
623 ✗ for(j=0; j<s->matrix_ch[out_i][0]; j++){
624 ✗ in_i= s->matrix_ch[out_i][1+j];
625 ✗ v+= ((double*)in->ch[in_i])[i] * s->matrix[out_i][in_i];
626 }
627 ✗ ((double*)out->ch[out_i])[i]= v;
628 }
629 }else{
630 ✗ for(i=0; i<len; i++){
631 ✗ int v=0;
632 ✗ for(j=0; j<s->matrix_ch[out_i][0]; j++){
633 ✗ in_i= s->matrix_ch[out_i][1+j];
634 ✗ v+= ((int16_t*)in->ch[in_i])[i] * s->matrix32[out_i][in_i];
635 }
636 ✗ ((int16_t*)out->ch[out_i])[i]= (v + 16384)>>15;
637 }
638 }
639 }
640 }
641 1016 return 0;
642 }
643