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comparison amrefr/encode-r.c @ 438:1bf1bbcef763

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amrefr: implement amrefr-encode-r utility
author Mychaela Falconia <falcon@freecalypso.org>
date Wed, 08 May 2024 23:43:26 +0000
parents efrtest/encode-r.c@cab6690535ec
children 0c4e1bc06740
comparison
equal deleted inserted replaced
437:3eadaef8b28f 438:1bf1bbcef763
1 /*
2 * amrefr-encode-r is a counterpart to gsmefr-encode-r, implementing
3 * "alternative EFR" by way of libtwamr. Unlike standard gsmefr-encode-r,
4 * there is no -d option and no DTX support in this version.
5 */
6
7 #include <stdio.h>
8 #include <stdint.h>
9 #include <stdlib.h>
10 #include <string.h>
11 #include <strings.h>
12 #include "../libgsmefr/gsm_efr.h"
13 #include "../libtwamr/tw_amr.h"
14 #include "../libtest/roberead.h"
15
16 main(argc, argv)
17 char **argv;
18 {
19 FILE *inf, *binf;
20 struct amr_encoder_state *state;
21 int16_t pcm[160];
22 struct amr_param_frame amr_frame;
23 uint8_t efr_frame[EFR_RTP_FRAME_LEN];
24 int rc;
25
26 if (argc != 3) {
27 fprintf(stderr, "usage: %s input.robe output.gsmx\n", argv[0]);
28 exit(1);
29 }
30 inf = fopen(argv[1], "r");
31 if (!inf) {
32 perror(argv[1]);
33 exit(1);
34 }
35 binf = fopen(argv[2], "w");
36 if (!binf) {
37 perror(argv[2]);
38 exit(1);
39 }
40 state = amr_encoder_create(0, 0);
41 if (!state) {
42 perror("amr_encoder_create()");
43 exit(1);
44 }
45 for (;;) {
46 rc = robe_get_pcm_block(inf, pcm);
47 if (!rc)
48 break;
49 amr_encode_frame(state, MR122, pcm, &amr_frame);
50 amr_dhf_subst_efr(&amr_frame);
51 EFR_params2frame(amr_frame.param, efr_frame);
52 fwrite(efr_frame, 1, sizeof efr_frame, binf);
53 }
54 fclose(binf);
55 exit(0);
56 }