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annotate sw/mcsi-rxtx/record.c @ 13:315428573a25

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fc-mcsi-rxtx: implement record function
author Mychaela Falconia <falcon@freecalypso.org>
date Mon, 28 Oct 2024 07:24:53 +0000
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13
315428573a25 fc-mcsi-rxtx: implement record function
Mychaela Falconia <falcon@freecalypso.org>
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1 /*
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2 * Here we implement the functionality of recording MCSI Rx streams
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3 * into robe files.
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4 */
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5
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6 #include <sys/types.h>
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7 #include <stdio.h>
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8 #include <stdlib.h>
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9
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10 extern u_short rx_pcm_samples[160];
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11
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12 static FILE *record_file;
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13
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14 void
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15 record_process()
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16 {
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17 unsigned n, samp;
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18
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19 if (!record_file)
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20 return;
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21 for (n = 0; n < 160; n++) {
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22 samp = rx_pcm_samples[n];
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23 putc(samp >> 8, record_file);
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24 putc(samp, record_file);
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25 }
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26 }
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27
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28 void
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29 record_auto_stop()
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30 {
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31 if (!record_file)
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32 return;
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33 fclose(record_file);
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34 record_file = 0;
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35 }
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36
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37 void
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38 cmd_record(argc, argv)
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39 char **argv;
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40 {
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41 if (record_file) {
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42 printf("error: recording already in progress\n");
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43 return;
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44 }
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45 record_file = fopen(argv[1], "w");
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46 if (!record_file)
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47 perror(argv[1]);
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48 }
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49
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50 void
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51 cmd_record_stop()
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52 {
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53 if (!record_file) {
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54 printf("error: no recording in progress\n");
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55 return;
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56 }
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57 fclose(record_file);
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58 record_file = 0;
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59 }