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annotate pcma2efr/dhf-check.c @ 34:307fe06fabec

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dhf: generate EFR hex DHF in C form
author Mychaela Falconia <falcon@freecalypso.org>
date Tue, 14 May 2024 03:36:31 +0000
parents 4f47447fd17f
children
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f5f541bc9415 pcmu2efr: check all generated frames against DHF
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1 /*
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2 * This program generates both standard-EFR and AMR-EFR versions of
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3 * sample-shifted first encoder frame, and checks them against
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4 * both EFR and MR122 DHFs.
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5 */
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6
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7 #include <stdio.h>
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8 #include <stdint.h>
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9 #include <stdlib.h>
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10 #include <string.h>
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11 #include <strings.h>
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12 #include <gsm_efr.h>
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13 #include <tw_amr.h>
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14
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15 extern uint8_t standard_efr[160][31];
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16 extern uint8_t amr_efr[160][31];
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17
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18 static void
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19 check_for_dhf(efr_frame, name, num)
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20 uint8_t *efr_frame;
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21 char *name;
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22 unsigned num;
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23 {
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24 int16_t params[EFR_NUM_PARAMS];
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25
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26 EFR_frame2params(efr_frame, params);
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27 if (!bcmp(params, amr_dhf_gsmefr, EFR_NUM_PARAMS * sizeof(int16_t)))
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28 printf("%s frame %u matches EFR DHF\n", name, num);
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29 else if (!bcmp(params, amr_dhf_mr122, EFR_NUM_PARAMS * sizeof(int16_t)))
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30 printf("%s frame %u matches MR122 DHF\n", name, num);
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31 }
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32
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33 main(argc, argv)
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34 char **argv;
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35 {
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36 unsigned n;
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37
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38 generate_linear_inputs();
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39 generate_std_efr();
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40 generate_amr_efr();
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41 for (n = 0; n < 160; n++)
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42 check_for_dhf(standard_efr[n], "std EFR", n);
23
2628a34fe75b pcmu2efr: encode 2nd frame for AMR-EFR offsets 120-159
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43 for (n = 0; n < 160; n++)
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44 check_for_dhf(amr_efr[n], "AMR-EFR", n);
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45 exit(0);
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46 }