FreeCalypso > hg > themwi-interim

annotate mtctest/user_cmd.c @ 11:aa2ba9b432af

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mtctest: implement play and play-stop commands
author Mychaela Falconia <falcon@freecalypso.org>
date Sun, 09 Jun 2024 04:32:57 +0000
parents a902ccbf6bbc
children
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1 /*
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2 * In this module we implement stdin command handling: 'disc' command
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3 * for caller-initiated disconnect; 'play' and 'play-stop' commands
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4 * for RTP output.
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5 */
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6
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7 #include <ctype.h>
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8 #include <stdio.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 static void
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14 play_cmd(args)
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15 char *args;
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16 {
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17 char *cp, *filename;
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18 unsigned frame_len;
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19 int loop;
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20
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21 for (cp = args; isspace(*cp); cp++)
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22 ;
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23 if (!*cp) {
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24 inv_syntax: fprintf(stderr, "error: play command invalid syntax\n");
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25 return;
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26 }
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27 for (filename = cp; *cp && !isspace(*cp); cp++)
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28 ;
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29 if (!*cp)
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30 goto inv_syntax;
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31 *cp++ = '\0';
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32 while (isspace(*cp))
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33 cp++;
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34 if (!isdigit(*cp))
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35 goto inv_syntax;
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36 frame_len = strtoul(cp, &cp, 0);
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37 if (*cp && !isspace(*cp))
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38 goto inv_syntax;
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39 if (frame_len < 1 || frame_len > 160) {
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40 fprintf(stderr, "error: frame length argument out of range\n");
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41 return;
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42 }
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43 while (isspace(*cp))
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44 cp++;
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45 if (*cp) {
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46 if (strcmp(cp, "loop"))
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47 goto inv_syntax;
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48 loop = 1;
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49 } else
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50 loop = 0;
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51 play_file_cmdop(filename, frame_len, loop);
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52 }
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53
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54 void
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55 select_stdin()
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56 {
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57 char buf[256], *cp;
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58
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59 fgets(buf, sizeof buf, stdin);
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60 cp = index(buf, '\n');
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61 if (cp) {
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62 while (cp > buf && isspace(cp[-1]))
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63 cp--;
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64 *cp = '\0';
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65 }
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66 for (cp = buf; isspace(*cp); cp++)
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67 ;
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68 if (!*cp)
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69 return;
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70 if (!strcmp(cp, "disc"))
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71 disconnect_command();
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72 else if (!strncmp(cp, "play", 4) && isspace(cp[4]))
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73 play_cmd(cp + 5);
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74 else if (!strcmp(cp, "play-stop"))
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75 play_file_stop();
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76 else
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77 fprintf(stderr, "error: non-understood stdin command\n");
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78 }