FreeCalypso > hg > vband-misc
annotate pcmu2efr/pcmu-input.c @ 46:d5f1b7aa76c4
top Makefile: add hr-sid
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Sun, 09 Jun 2024 08:58:44 +0000 |
parents | 1794bf0fbcf7 |
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pcmu2efr: emit full PCMU input
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1 /* |
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2 * This program emits the full sequence (3 EHFs and 2 copies of seqsyncu) |
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3 * that needs to be fed to TRAU DL input from G.711 PCMU side to perform |
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4 * the test of reversing the EFR variant used and finding frame sync. |
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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 |
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13 extern const uint8_t seqsyncu_last_frame[160]; |
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14 |
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15 main(argc, argv) |
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16 char **argv; |
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17 { |
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18 FILE *outf; |
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19 uint8_t ehf[160]; |
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20 |
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21 if (argc != 2) { |
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22 fprintf(stderr, "usage: %s pcmu-out-file\n", argv[0]); |
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23 exit(1); |
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24 } |
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25 outf = fopen(argv[1], "w"); |
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26 if (!outf) { |
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27 perror(argv[1]); |
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28 exit(1); |
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29 } |
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30 memset(ehf, 0xFE, 160); |
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31 fwrite(ehf, 1, 160, outf); |
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32 fwrite(ehf, 1, 160, outf); |
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33 fwrite(ehf, 1, 160, outf); |
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34 fwrite(seqsyncu_last_frame, 1, 160, outf); |
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35 fwrite(seqsyncu_last_frame, 1, 160, outf); |
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36 fclose(outf); |
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37 exit(0); |
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38 } |