FreeCalypso > hg > gsm-codec-lib

annotate efrtest/etsi-pcm-out.c @ 546:b26df31124a4

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frtest: new program gsmfr-tfo-xfrm
author Mychaela Falconia <falcon@freecalypso.org>
date Fri, 04 Oct 2024 19:07:52 +0000
parents 9f354d2aea13
children
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1 /*
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2 * This C module holds some functions that have been split off from
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3 * etsi-dec.c, with the goal of making it easier to build both
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4 * standard-EFR and AMR-EFR versions of the ETSI-format EFR decoder.
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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
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10 void
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11 write_pcm_be(outf, pcm)
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12 FILE *outf;
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13 int16_t *pcm;
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14 {
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15 uint8_t bytes[320], *dp;
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16 int16_t samp;
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17 unsigned n;
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18
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19 dp = bytes;
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20 for (n = 0; n < 160; n++) {
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21 samp = pcm[n];
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22 *dp++ = (samp >> 8) & 0xFF;
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23 *dp++ = samp & 0xFF;
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24 }
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25 fwrite(bytes, 2, 160, outf);
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26 }
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27
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28 void
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29 write_pcm_le(outf, pcm)
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30 FILE *outf;
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31 int16_t *pcm;
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32 {
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33 uint8_t bytes[320], *dp;
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34 int16_t samp;
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35 unsigned n;
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37 dp = bytes;
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38 for (n = 0; n < 160; n++) {
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39 samp = pcm[n];
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40 *dp++ = samp & 0xFF;
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41 *dp++ = (samp >> 8) & 0xFF;
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42 }
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43 fwrite(bytes, 2, 160, outf);
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44 }