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annotate pcmu2efr/comb-diff.c @ 21:3eb407b08b4c

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pcmu2efr: confirm that we got 280 distinct outputs so far
author Mychaela Falconia <falcon@freecalypso.org>
date Sun, 12 May 2024 03:15:23 +0000
parents pcmu2efr/stdefr-diff.c@39b3c24256ae
children 2628a34fe75b
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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
3eb407b08b4c pcmu2efr: confirm that we got 280 distinct outputs so far
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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 < 279; m++) {
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28 for (n = m + 1; n < 280; n++) {
3eb407b08b4c pcmu2efr: confirm that we got 280 distinct outputs so far
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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 }