FreeCalypso > hg > gsm-codec-lib
annotate amrtest/tseq-enc.c @ 465:026bdc1f0dda
amrefr-tseq-enc: use the new DHF xform that matches T-Mobile
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Sun, 12 May 2024 21:43:35 +0000 |
parents | cf90077b753c |
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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 } |