annotate amrtest/decode-r.c @ 556:18aca50d68df default tip

doc/Calypso-TCH-downlink: update for FR1 BFI-with-data
author Mychaela Falconia <falcon@freecalypso.org>
date Fri, 11 Oct 2024 01:54:00 +0000
parents e2f824ffd08a
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
114
ff0372186b59 gsmefr-etsi-enc test program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
1 /*
446
e2f824ffd08a amrtest: implement twamr-decode-r
Mychaela Falconia <falcon@freecalypso.org>
parents: 444
diff changeset
2 * twamr-decode-r is a speech decoder utility going from *.amr input
e2f824ffd08a amrtest: implement twamr-decode-r
Mychaela Falconia <falcon@freecalypso.org>
parents: 444
diff changeset
3 * to "robe" (raw BE) output.
114
ff0372186b59 gsmefr-etsi-enc test program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
4 */
ff0372186b59 gsmefr-etsi-enc test program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
5
ff0372186b59 gsmefr-etsi-enc test program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
6 #include <stdio.h>
ff0372186b59 gsmefr-etsi-enc test program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
7 #include <stdint.h>
ff0372186b59 gsmefr-etsi-enc test program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
8 #include <stdlib.h>
ff0372186b59 gsmefr-etsi-enc test program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
9 #include <string.h>
ff0372186b59 gsmefr-etsi-enc test program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
10 #include <strings.h>
422
1ceda5586d01 implement twamr-tseq-enc test program
Mychaela Falconia <falcon@freecalypso.org>
parents: 151
diff changeset
11 #include "../libtwamr/tw_amr.h"
446
e2f824ffd08a amrtest: implement twamr-decode-r
Mychaela Falconia <falcon@freecalypso.org>
parents: 444
diff changeset
12 #include "../libtest/robewrite.h"
114
ff0372186b59 gsmefr-etsi-enc test program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
13
ff0372186b59 gsmefr-etsi-enc test program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
14 main(argc, argv)
ff0372186b59 gsmefr-etsi-enc test program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
15 char **argv;
ff0372186b59 gsmefr-etsi-enc test program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
16 {
446
e2f824ffd08a amrtest: implement twamr-decode-r
Mychaela Falconia <falcon@freecalypso.org>
parents: 444
diff changeset
17 FILE *inf, *outf;
444
fe4983b05230 amrtest: implement twamr-decode
Mychaela Falconia <falcon@freecalypso.org>
parents: 430
diff changeset
18 uint8_t frm_in[AMR_IETF_MAX_PL];
430
edbbbf1c4ab1 implement twamr-tseq-dec test program
Mychaela Falconia <falcon@freecalypso.org>
parents: 423
diff changeset
19 struct amr_decoder_state *state;
edbbbf1c4ab1 implement twamr-tseq-dec test program
Mychaela Falconia <falcon@freecalypso.org>
parents: 423
diff changeset
20 struct amr_param_frame frame;
114
ff0372186b59 gsmefr-etsi-enc test program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
21 int16_t pcm[160];
444
fe4983b05230 amrtest: implement twamr-decode
Mychaela Falconia <falcon@freecalypso.org>
parents: 430
diff changeset
22 int rc;
114
ff0372186b59 gsmefr-etsi-enc test program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
23
444
fe4983b05230 amrtest: implement twamr-decode
Mychaela Falconia <falcon@freecalypso.org>
parents: 430
diff changeset
24 if (argc != 3) {
446
e2f824ffd08a amrtest: implement twamr-decode-r
Mychaela Falconia <falcon@freecalypso.org>
parents: 444
diff changeset
25 fprintf(stderr, "usage: %s input.amr output.robe\n", argv[0]);
114
ff0372186b59 gsmefr-etsi-enc test program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
26 exit(1);
ff0372186b59 gsmefr-etsi-enc test program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
27 }
444
fe4983b05230 amrtest: implement twamr-decode
Mychaela Falconia <falcon@freecalypso.org>
parents: 430
diff changeset
28 inf = fopen(argv[1], "r");
fe4983b05230 amrtest: implement twamr-decode
Mychaela Falconia <falcon@freecalypso.org>
parents: 430
diff changeset
29 if (!inf) {
fe4983b05230 amrtest: implement twamr-decode
Mychaela Falconia <falcon@freecalypso.org>
parents: 430
diff changeset
30 perror(argv[1]);
fe4983b05230 amrtest: implement twamr-decode
Mychaela Falconia <falcon@freecalypso.org>
parents: 430
diff changeset
31 exit(1);
fe4983b05230 amrtest: implement twamr-decode
Mychaela Falconia <falcon@freecalypso.org>
parents: 430
diff changeset
32 }
fe4983b05230 amrtest: implement twamr-decode
Mychaela Falconia <falcon@freecalypso.org>
parents: 430
diff changeset
33 if (fread(frm_in, 1, AMR_IETF_HDR_LEN, inf) != AMR_IETF_HDR_LEN ||
fe4983b05230 amrtest: implement twamr-decode
Mychaela Falconia <falcon@freecalypso.org>
parents: 430
diff changeset
34 bcmp(frm_in, amr_file_header_magic, AMR_IETF_HDR_LEN)) {
fe4983b05230 amrtest: implement twamr-decode
Mychaela Falconia <falcon@freecalypso.org>
parents: 430
diff changeset
35 fprintf(stderr, "error: %s is not in IETF AMR format\n",
fe4983b05230 amrtest: implement twamr-decode
Mychaela Falconia <falcon@freecalypso.org>
parents: 430
diff changeset
36 argv[1]);
fe4983b05230 amrtest: implement twamr-decode
Mychaela Falconia <falcon@freecalypso.org>
parents: 430
diff changeset
37 exit(1);
fe4983b05230 amrtest: implement twamr-decode
Mychaela Falconia <falcon@freecalypso.org>
parents: 430
diff changeset
38 }
446
e2f824ffd08a amrtest: implement twamr-decode-r
Mychaela Falconia <falcon@freecalypso.org>
parents: 444
diff changeset
39 outf = fopen(argv[2], "w");
e2f824ffd08a amrtest: implement twamr-decode-r
Mychaela Falconia <falcon@freecalypso.org>
parents: 444
diff changeset
40 if (!outf) {
444
fe4983b05230 amrtest: implement twamr-decode
Mychaela Falconia <falcon@freecalypso.org>
parents: 430
diff changeset
41 perror(argv[2]);
114
ff0372186b59 gsmefr-etsi-enc test program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
42 exit(1);
ff0372186b59 gsmefr-etsi-enc test program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
43 }
430
edbbbf1c4ab1 implement twamr-tseq-dec test program
Mychaela Falconia <falcon@freecalypso.org>
parents: 423
diff changeset
44 state = amr_decoder_create();
114
ff0372186b59 gsmefr-etsi-enc test program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
45 if (!state) {
430
edbbbf1c4ab1 implement twamr-tseq-dec test program
Mychaela Falconia <falcon@freecalypso.org>
parents: 423
diff changeset
46 perror("amr_decoder_create()");
114
ff0372186b59 gsmefr-etsi-enc test program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
47 exit(1);
ff0372186b59 gsmefr-etsi-enc test program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
48 }
444
fe4983b05230 amrtest: implement twamr-decode
Mychaela Falconia <falcon@freecalypso.org>
parents: 430
diff changeset
49 for (;;) {
fe4983b05230 amrtest: implement twamr-decode
Mychaela Falconia <falcon@freecalypso.org>
parents: 430
diff changeset
50 rc = getc(inf);
fe4983b05230 amrtest: implement twamr-decode
Mychaela Falconia <falcon@freecalypso.org>
parents: 430
diff changeset
51 if (rc < 0)
114
ff0372186b59 gsmefr-etsi-enc test program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
52 break;
444
fe4983b05230 amrtest: implement twamr-decode
Mychaela Falconia <falcon@freecalypso.org>
parents: 430
diff changeset
53 frm_in[0] = rc;
fe4983b05230 amrtest: implement twamr-decode
Mychaela Falconia <falcon@freecalypso.org>
parents: 430
diff changeset
54 rc = amr_ietf_grok_first_octet(frm_in[0]);
430
edbbbf1c4ab1 implement twamr-tseq-dec test program
Mychaela Falconia <falcon@freecalypso.org>
parents: 423
diff changeset
55 if (rc < 0) {
444
fe4983b05230 amrtest: implement twamr-decode
Mychaela Falconia <falcon@freecalypso.org>
parents: 430
diff changeset
56 inv: fprintf(stderr, "error: %s contains invalid AMR data\n",
fe4983b05230 amrtest: implement twamr-decode
Mychaela Falconia <falcon@freecalypso.org>
parents: 430
diff changeset
57 argv[1]);
430
edbbbf1c4ab1 implement twamr-tseq-dec test program
Mychaela Falconia <falcon@freecalypso.org>
parents: 423
diff changeset
58 exit(1);
edbbbf1c4ab1 implement twamr-tseq-dec test program
Mychaela Falconia <falcon@freecalypso.org>
parents: 423
diff changeset
59 }
444
fe4983b05230 amrtest: implement twamr-decode
Mychaela Falconia <falcon@freecalypso.org>
parents: 430
diff changeset
60 if (rc && fread(frm_in+1, 1, rc, inf) != rc)
fe4983b05230 amrtest: implement twamr-decode
Mychaela Falconia <falcon@freecalypso.org>
parents: 430
diff changeset
61 goto inv;
fe4983b05230 amrtest: implement twamr-decode
Mychaela Falconia <falcon@freecalypso.org>
parents: 430
diff changeset
62 amr_frame_from_ietf(frm_in, &frame);
430
edbbbf1c4ab1 implement twamr-tseq-dec test program
Mychaela Falconia <falcon@freecalypso.org>
parents: 423
diff changeset
63 amr_decode_frame(state, &frame, pcm);
446
e2f824ffd08a amrtest: implement twamr-decode-r
Mychaela Falconia <falcon@freecalypso.org>
parents: 444
diff changeset
64 write_pcm_to_robe(outf, pcm);
114
ff0372186b59 gsmefr-etsi-enc test program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
65 }
446
e2f824ffd08a amrtest: implement twamr-decode-r
Mychaela Falconia <falcon@freecalypso.org>
parents: 444
diff changeset
66 fclose(outf);
114
ff0372186b59 gsmefr-etsi-enc test program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
67 exit(0);
ff0372186b59 gsmefr-etsi-enc test program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
68 }