FreeCalypso > hg > gsm-codec-lib
annotate miscutil/wav2raw.c @ 452:6e595f7d40e2
CHANGES: document changes for the upcoming release
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Fri, 10 May 2024 03:45:47 +0000 |
parents | 578fdedf4327 |
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pcm16-wav2raw utility written
Mychaela Falconia <falcon@freecalypso.org>
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1 /* |
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2 * This program reads a 16-bit linear PCM speech recording in WAV format |
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3 * and converts it to raw format, either BE or LE. |
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pcm16-wav2raw utility written
Mychaela Falconia <falcon@freecalypso.org>
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4 */ |
578fdedf4327
pcm16-wav2raw utility written
Mychaela Falconia <falcon@freecalypso.org>
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5 |
578fdedf4327
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Mychaela Falconia <falcon@freecalypso.org>
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6 #include <stdio.h> |
578fdedf4327
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7 #include <stdint.h> |
578fdedf4327
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8 #include <stdlib.h> |
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9 #include <string.h> |
578fdedf4327
pcm16-wav2raw utility written
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10 #include <strings.h> |
578fdedf4327
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11 #include "../libtest/wavreader.h" |
578fdedf4327
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12 #include "../libtest/wavrdhelp.h" |
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pcm16-wav2raw utility written
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13 |
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14 main(argc, argv) |
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15 char **argv; |
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16 { |
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17 int big_endian; |
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18 void *wav; |
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19 FILE *outf; |
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20 int16_t pcm[160], samp; |
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21 uint8_t bytes[320], *dp; |
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22 int cc, rc, i; |
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23 |
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24 if (argc != 4) { |
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25 usage: fprintf(stderr, "usage: %s input.wav output.raw be|le\n", |
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26 argv[0]); |
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27 exit(1); |
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28 } |
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29 if (!strcmp(argv[3], "be")) |
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30 big_endian = 1; |
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31 else if (!strcmp(argv[3], "le")) |
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32 big_endian = 0; |
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33 else |
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34 goto usage; |
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35 wav = wav_read_open(argv[1]); |
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36 if (!wav) { |
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37 perror(argv[1]); |
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38 exit(1); |
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39 } |
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40 rc = wavrd_check_header(wav, argv[1]); |
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41 if (rc < 0) |
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42 exit(1); /* error msg already printed */ |
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Mychaela Falconia <falcon@freecalypso.org>
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43 outf = fopen(argv[2], "w"); |
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44 if (!outf) { |
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45 perror(argv[2]); |
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46 exit(1); |
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47 } |
578fdedf4327
pcm16-wav2raw utility written
Mychaela Falconia <falcon@freecalypso.org>
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48 for (;;) { |
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Mychaela Falconia <falcon@freecalypso.org>
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49 cc = wavrd_get_pcm_block(wav, pcm); |
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50 if (!cc) |
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51 break; |
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Mychaela Falconia <falcon@freecalypso.org>
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52 dp = bytes; |
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53 for (i = 0; i < cc; i++) { |
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54 samp = pcm[i]; |
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55 if (big_endian) { |
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Mychaela Falconia <falcon@freecalypso.org>
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56 *dp++ = (samp >> 8) & 0xFF; |
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Mychaela Falconia <falcon@freecalypso.org>
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57 *dp++ = samp & 0xFF; |
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58 } else { |
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Mychaela Falconia <falcon@freecalypso.org>
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59 *dp++ = samp & 0xFF; |
578fdedf4327
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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60 *dp++ = (samp >> 8) & 0xFF; |
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Mychaela Falconia <falcon@freecalypso.org>
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61 } |
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62 } |
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Mychaela Falconia <falcon@freecalypso.org>
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63 fwrite(bytes, 2, cc, outf); |
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64 } |
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65 fclose(outf); |
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66 exit(0); |
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67 } |