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annotate amrtest/tseq-enc.c @ 585:3c6bf0d26ee7 default tip

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TW-TS-005 reader: fix maximum line length bug TW-TS-005 section 4.1 states: The maximum allowed length of each line is 80 characters, not including the OS-specific newline encoding. The implementation of this line length limit in the TW-TS-005 hex file reader function in the present suite was wrong, such that lines of the full maximum length could not be read. Fix it. Note that this bug affects comment lines too, not just actual RTP payloads. Neither Annex A nor Annex B features an RTP payload format that goes to the maximum of 40 bytes, but if a comment line goes to the maximum allowed length of 80 characters not including the terminating newline, the bug will be triggered, necessitating the present fix.
author Mychaela Falconia <falcon@freecalypso.org>
date Tue, 25 Feb 2025 07:49:28 +0000
parents cf90077b753c
children
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1 /*
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2 * twamr-tseq-enc is a test program for our AMR encoder: it reads raw
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3 * 16-bit PCM (matching 3GPP *.inp) as input and writes 3GPP *.cod
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4 * format as output, allowing libtwamr encoder to be tested with the
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5 * official test sequences.
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6 *
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7 * Both input and output are read/written in the host machine's
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8 * native byte order.
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9 */
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10
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11 #include <stdio.h>
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12 #include <stdint.h>
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13 #include <stdlib.h>
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14 #include <string.h>
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15 #include <strings.h>
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16 #include <unistd.h>
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17 #include "../libtwamr/tw_amr.h"
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18
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19 static int
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20 read_input(inf, pcm, filename_for_errs)
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21 FILE *inf;
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22 int16_t *pcm;
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23 char *filename_for_errs;
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24 {
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25 int cc;
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26
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27 cc = fread(pcm, 2, 160, inf);
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28 if (cc == 0)
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29 return 0;
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30 if (cc < 160) {
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31 fprintf(stderr, "warning: incomplete frame at the end of %s\n",
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32 filename_for_errs);
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33 return 0;
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34 }
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35 return 1;
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36 }
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37
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38 main(argc, argv)
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39 char **argv;
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40 {
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41 char *infname, *outfname, *mode_arg;
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42 FILE *inf, *outf;
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43 struct amr_encoder_state *state;
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44 enum Mode mode_val;
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45 int16_t pcm[160];
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46 struct amr_param_frame frame;
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47 uint16_t cod_words[AMR_COD_WORDS];
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48 int opt, dtx = 0, vad2 = 0, use_mode_file = 0, rc;
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49 extern int optind;
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50
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51 while ((opt = getopt(argc, argv, "d2")) != EOF) {
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52 switch (opt) {
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53 case 'd':
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54 dtx = 1;
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55 continue;
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56 case '2':
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57 vad2 = 1;
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58 continue;
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59 default:
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60 usage:
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61 fprintf(stderr,
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62 "usage: %s [-d] [-2] input.inp mode output.cod\n",
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63 argv[0]);
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64 exit(1);
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65 }
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66 }
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67 if (argc != optind + 3)
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68 goto usage;
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69 infname = argv[optind];
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70 mode_arg = argv[optind+1];
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71 outfname = argv[optind+2];
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72
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73 inf = fopen(infname, "r");
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74 if (!inf) {
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75 perror(infname);
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76 exit(1);
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77 }
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78 if (!strncmp(mode_arg, "file:", 5)) {
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79 open_mode_file(mode_arg + 5);
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80 use_mode_file = 1;
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81 } else {
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82 rc = grok_mode_name(mode_arg, &mode_val);
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83 if (rc < 0) {
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84 fprintf(stderr, "error: invalid mode argument \"%s\"\n",
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85 mode_arg);
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86 exit(1);
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87 }
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88 }
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89 outf = fopen(outfname, "w");
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90 if (!outf) {
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91 perror(outfname);
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92 exit(1);
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93 }
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94 state = amr_encoder_create(dtx, vad2);
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95 if (!state) {
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96 perror("amr_encoder_create()");
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97 exit(1);
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98 }
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99 for (;;) {
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100 rc = read_input(inf, pcm, infname);
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101 if (!rc)
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102 break;
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103 if (use_mode_file)
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104 read_mode_file_line(&mode_val);
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105 amr_encode_frame(state, mode_val, pcm, &frame);
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106 amr_frame_to_tseq(&frame, cod_words);
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107 fwrite(cod_words, 2, AMR_COD_WORDS, outf);
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108 }
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109 fclose(outf);
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110 exit(0);
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111 }