FreeCalypso > hg > vband-misc

annotate pcmu2efr/comb-diff.c @ 55:f27bc1e17311

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fr-sid/goodsp-frame41.gsmx: starting point This 33-byte binary file contains frame #41 from good_sp.cod from GSM 06.32 test sequence set, converted from ETSI *.cod format into our gsmx format. This frame is an example of a real FRv1 SID.
author Mychaela Falconia <falcon@freecalypso.org>
date Thu, 22 Aug 2024 05:00:08 +0000
parents 2628a34fe75b
children
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1 /*
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2 * This program computes 160 possible EFR encoder outputs using standard EFR,
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3 * then 120 possible outputs using "simple" AMR-EFR, then does a diff
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4 * among them, seeking to verify that they are all distinct.
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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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13 extern uint8_t standard_efr[160][31];
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14 extern uint8_t amr_efr[160][31];
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16 main(argc, argv)
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17 char **argv;
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18 {
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19 uint8_t combine[320][31];
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20 unsigned m, n;
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22 generate_linear_inputs();
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23 generate_std_efr();
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24 generate_amr_efr();
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25 bcopy(standard_efr, combine, 160*31);
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26 bcopy(amr_efr, combine + 160, 160*31);
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27 for (m = 0; m < 319; m++) {
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28 for (n = m + 1; n < 320; n++) {
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29 if (!memcmp(combine[m], combine[n], 31))
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30 printf("Bad: sequences #%u and #%u are equal\n",
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31 m, n);
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32 }
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33 }
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34 exit(0);
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35 }