annotate efrtest/etsi-dec.c @ 170:b9af126bfddb

rtp-cont-check utility written
author Mychaela Falconia <falcon@freecalypso.org>
date Mon, 26 Dec 2022 21:24:00 +0000
parents da17c7f02c6c
children 9f354d2aea13
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
96
9cf1355bc071 gsmefr-etsi-dec test program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
1 /*
9cf1355bc071 gsmefr-etsi-dec test program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
2 * gsmefr-etsi-dec is a test program for our EFR decoder: it reads ETSI's
9cf1355bc071 gsmefr-etsi-dec test program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
3 * .dec format as input and writes raw 16-bit PCM (same as ETSI's *.out)
9cf1355bc071 gsmefr-etsi-dec test program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
4 * as output, allowing our decoder to be tested with ETSI's official test
9cf1355bc071 gsmefr-etsi-dec test program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
5 * sequences.
9cf1355bc071 gsmefr-etsi-dec test program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
6 *
150
da17c7f02c6c gsmefr-etsi-dec: add BE support
Mychaela Falconia <falcon@freecalypso.org>
parents: 145
diff changeset
7 * ETSI input and output files are read and written in LE byte order
da17c7f02c6c gsmefr-etsi-dec: add BE support
Mychaela Falconia <falcon@freecalypso.org>
parents: 145
diff changeset
8 * by default, or in BE byte order if -b option is given.
96
9cf1355bc071 gsmefr-etsi-dec test program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
9 */
9cf1355bc071 gsmefr-etsi-dec test program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
10
9cf1355bc071 gsmefr-etsi-dec test program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
11 #include <stdio.h>
9cf1355bc071 gsmefr-etsi-dec test program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
12 #include <stdint.h>
9cf1355bc071 gsmefr-etsi-dec test program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
13 #include <stdlib.h>
9cf1355bc071 gsmefr-etsi-dec test program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
14 #include <string.h>
9cf1355bc071 gsmefr-etsi-dec test program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
15 #include <strings.h>
9cf1355bc071 gsmefr-etsi-dec test program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
16 #include "../libgsmefr/gsm_efr.h"
145
8ed838709897 efrtest: ETSI bit reading factored out of gsmefr-etsi-dec
Mychaela Falconia <falcon@freecalypso.org>
parents: 97
diff changeset
17 #include "etsi.h"
96
9cf1355bc071 gsmefr-etsi-dec test program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
18
9cf1355bc071 gsmefr-etsi-dec test program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
19 static void
150
da17c7f02c6c gsmefr-etsi-dec: add BE support
Mychaela Falconia <falcon@freecalypso.org>
parents: 145
diff changeset
20 write_pcm_be(outf, pcm)
da17c7f02c6c gsmefr-etsi-dec: add BE support
Mychaela Falconia <falcon@freecalypso.org>
parents: 145
diff changeset
21 FILE *outf;
da17c7f02c6c gsmefr-etsi-dec: add BE support
Mychaela Falconia <falcon@freecalypso.org>
parents: 145
diff changeset
22 int16_t *pcm;
da17c7f02c6c gsmefr-etsi-dec: add BE support
Mychaela Falconia <falcon@freecalypso.org>
parents: 145
diff changeset
23 {
da17c7f02c6c gsmefr-etsi-dec: add BE support
Mychaela Falconia <falcon@freecalypso.org>
parents: 145
diff changeset
24 uint8_t bytes[320], *dp;
da17c7f02c6c gsmefr-etsi-dec: add BE support
Mychaela Falconia <falcon@freecalypso.org>
parents: 145
diff changeset
25 int16_t samp;
da17c7f02c6c gsmefr-etsi-dec: add BE support
Mychaela Falconia <falcon@freecalypso.org>
parents: 145
diff changeset
26 unsigned n;
da17c7f02c6c gsmefr-etsi-dec: add BE support
Mychaela Falconia <falcon@freecalypso.org>
parents: 145
diff changeset
27
da17c7f02c6c gsmefr-etsi-dec: add BE support
Mychaela Falconia <falcon@freecalypso.org>
parents: 145
diff changeset
28 dp = bytes;
da17c7f02c6c gsmefr-etsi-dec: add BE support
Mychaela Falconia <falcon@freecalypso.org>
parents: 145
diff changeset
29 for (n = 0; n < 160; n++) {
da17c7f02c6c gsmefr-etsi-dec: add BE support
Mychaela Falconia <falcon@freecalypso.org>
parents: 145
diff changeset
30 samp = pcm[n];
da17c7f02c6c gsmefr-etsi-dec: add BE support
Mychaela Falconia <falcon@freecalypso.org>
parents: 145
diff changeset
31 *dp++ = (samp >> 8) & 0xFF;
da17c7f02c6c gsmefr-etsi-dec: add BE support
Mychaela Falconia <falcon@freecalypso.org>
parents: 145
diff changeset
32 *dp++ = samp & 0xFF;
da17c7f02c6c gsmefr-etsi-dec: add BE support
Mychaela Falconia <falcon@freecalypso.org>
parents: 145
diff changeset
33 }
da17c7f02c6c gsmefr-etsi-dec: add BE support
Mychaela Falconia <falcon@freecalypso.org>
parents: 145
diff changeset
34 fwrite(bytes, 2, 160, outf);
da17c7f02c6c gsmefr-etsi-dec: add BE support
Mychaela Falconia <falcon@freecalypso.org>
parents: 145
diff changeset
35 }
da17c7f02c6c gsmefr-etsi-dec: add BE support
Mychaela Falconia <falcon@freecalypso.org>
parents: 145
diff changeset
36
da17c7f02c6c gsmefr-etsi-dec: add BE support
Mychaela Falconia <falcon@freecalypso.org>
parents: 145
diff changeset
37 static void
96
9cf1355bc071 gsmefr-etsi-dec test program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
38 write_pcm_le(outf, pcm)
9cf1355bc071 gsmefr-etsi-dec test program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
39 FILE *outf;
9cf1355bc071 gsmefr-etsi-dec test program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
40 int16_t *pcm;
9cf1355bc071 gsmefr-etsi-dec test program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
41 {
9cf1355bc071 gsmefr-etsi-dec test program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
42 uint8_t bytes[320], *dp;
9cf1355bc071 gsmefr-etsi-dec test program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
43 int16_t samp;
9cf1355bc071 gsmefr-etsi-dec test program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
44 unsigned n;
9cf1355bc071 gsmefr-etsi-dec test program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
45
9cf1355bc071 gsmefr-etsi-dec test program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
46 dp = bytes;
9cf1355bc071 gsmefr-etsi-dec test program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
47 for (n = 0; n < 160; n++) {
9cf1355bc071 gsmefr-etsi-dec test program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
48 samp = pcm[n];
9cf1355bc071 gsmefr-etsi-dec test program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
49 *dp++ = samp & 0xFF;
9cf1355bc071 gsmefr-etsi-dec test program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
50 *dp++ = (samp >> 8) & 0xFF;
9cf1355bc071 gsmefr-etsi-dec test program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
51 }
9cf1355bc071 gsmefr-etsi-dec test program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
52 fwrite(bytes, 2, 160, outf);
9cf1355bc071 gsmefr-etsi-dec test program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
53 }
9cf1355bc071 gsmefr-etsi-dec test program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
54
9cf1355bc071 gsmefr-etsi-dec test program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
55 main(argc, argv)
9cf1355bc071 gsmefr-etsi-dec test program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
56 char **argv;
9cf1355bc071 gsmefr-etsi-dec test program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
57 {
150
da17c7f02c6c gsmefr-etsi-dec: add BE support
Mychaela Falconia <falcon@freecalypso.org>
parents: 145
diff changeset
58 int big_endian;
da17c7f02c6c gsmefr-etsi-dec: add BE support
Mychaela Falconia <falcon@freecalypso.org>
parents: 145
diff changeset
59 char *infname, *outfname;
96
9cf1355bc071 gsmefr-etsi-dec test program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
60 FILE *inf, *outf;
9cf1355bc071 gsmefr-etsi-dec test program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
61 struct EFR_decoder_state *state;
9cf1355bc071 gsmefr-etsi-dec test program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
62 unsigned frame_no;
9cf1355bc071 gsmefr-etsi-dec test program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
63 uint8_t input_bits[ETSI_DEC_NWORDS], frame[EFR_RTP_FRAME_LEN];
9cf1355bc071 gsmefr-etsi-dec test program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
64 int16_t pcm[160];
9cf1355bc071 gsmefr-etsi-dec test program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
65 int rc;
9cf1355bc071 gsmefr-etsi-dec test program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
66
150
da17c7f02c6c gsmefr-etsi-dec: add BE support
Mychaela Falconia <falcon@freecalypso.org>
parents: 145
diff changeset
67 if (argc == 3 && argv[1][0] != '-') {
da17c7f02c6c gsmefr-etsi-dec: add BE support
Mychaela Falconia <falcon@freecalypso.org>
parents: 145
diff changeset
68 big_endian = 0;
da17c7f02c6c gsmefr-etsi-dec: add BE support
Mychaela Falconia <falcon@freecalypso.org>
parents: 145
diff changeset
69 infname = argv[1];
da17c7f02c6c gsmefr-etsi-dec: add BE support
Mychaela Falconia <falcon@freecalypso.org>
parents: 145
diff changeset
70 outfname = argv[2];
da17c7f02c6c gsmefr-etsi-dec: add BE support
Mychaela Falconia <falcon@freecalypso.org>
parents: 145
diff changeset
71 } else if (argc == 4 && !strcmp(argv[1], "-b")) {
da17c7f02c6c gsmefr-etsi-dec: add BE support
Mychaela Falconia <falcon@freecalypso.org>
parents: 145
diff changeset
72 big_endian = 1;
da17c7f02c6c gsmefr-etsi-dec: add BE support
Mychaela Falconia <falcon@freecalypso.org>
parents: 145
diff changeset
73 infname = argv[2];
da17c7f02c6c gsmefr-etsi-dec: add BE support
Mychaela Falconia <falcon@freecalypso.org>
parents: 145
diff changeset
74 outfname = argv[3];
da17c7f02c6c gsmefr-etsi-dec: add BE support
Mychaela Falconia <falcon@freecalypso.org>
parents: 145
diff changeset
75 } else {
da17c7f02c6c gsmefr-etsi-dec: add BE support
Mychaela Falconia <falcon@freecalypso.org>
parents: 145
diff changeset
76 fprintf(stderr, "usage: %s [-b] input.dec output.out\n",
da17c7f02c6c gsmefr-etsi-dec: add BE support
Mychaela Falconia <falcon@freecalypso.org>
parents: 145
diff changeset
77 argv[0]);
96
9cf1355bc071 gsmefr-etsi-dec test program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
78 exit(1);
9cf1355bc071 gsmefr-etsi-dec test program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
79 }
150
da17c7f02c6c gsmefr-etsi-dec: add BE support
Mychaela Falconia <falcon@freecalypso.org>
parents: 145
diff changeset
80 inf = fopen(infname, "r");
96
9cf1355bc071 gsmefr-etsi-dec test program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
81 if (!inf) {
150
da17c7f02c6c gsmefr-etsi-dec: add BE support
Mychaela Falconia <falcon@freecalypso.org>
parents: 145
diff changeset
82 perror(infname);
96
9cf1355bc071 gsmefr-etsi-dec test program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
83 exit(1);
9cf1355bc071 gsmefr-etsi-dec test program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
84 }
150
da17c7f02c6c gsmefr-etsi-dec: add BE support
Mychaela Falconia <falcon@freecalypso.org>
parents: 145
diff changeset
85 outf = fopen(outfname, "w");
96
9cf1355bc071 gsmefr-etsi-dec test program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
86 if (!outf) {
150
da17c7f02c6c gsmefr-etsi-dec: add BE support
Mychaela Falconia <falcon@freecalypso.org>
parents: 145
diff changeset
87 perror(outfname);
96
9cf1355bc071 gsmefr-etsi-dec test program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
88 exit(1);
9cf1355bc071 gsmefr-etsi-dec test program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
89 }
9cf1355bc071 gsmefr-etsi-dec test program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
90 state = EFR_decoder_create();
9cf1355bc071 gsmefr-etsi-dec test program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
91 if (!state) {
9cf1355bc071 gsmefr-etsi-dec test program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
92 perror("EFR_decoder_create()");
9cf1355bc071 gsmefr-etsi-dec test program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
93 exit(1);
9cf1355bc071 gsmefr-etsi-dec test program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
94 }
9cf1355bc071 gsmefr-etsi-dec test program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
95 for (frame_no = 0; ; frame_no++) {
150
da17c7f02c6c gsmefr-etsi-dec: add BE support
Mychaela Falconia <falcon@freecalypso.org>
parents: 145
diff changeset
96 rc = read_etsi_bits(inf, big_endian, input_bits,
da17c7f02c6c gsmefr-etsi-dec: add BE support
Mychaela Falconia <falcon@freecalypso.org>
parents: 145
diff changeset
97 ETSI_DEC_NWORDS, infname);
96
9cf1355bc071 gsmefr-etsi-dec test program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
98 if (!rc)
9cf1355bc071 gsmefr-etsi-dec test program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
99 break;
9cf1355bc071 gsmefr-etsi-dec test program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
100 if (input_bits[0] > 1) {
9cf1355bc071 gsmefr-etsi-dec test program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
101 fprintf(stderr, "error in %s frame #%u: BFI > 1\n",
150
da17c7f02c6c gsmefr-etsi-dec: add BE support
Mychaela Falconia <falcon@freecalypso.org>
parents: 145
diff changeset
102 infname, frame_no);
96
9cf1355bc071 gsmefr-etsi-dec test program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
103 exit(1);
9cf1355bc071 gsmefr-etsi-dec test program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
104 }
150
da17c7f02c6c gsmefr-etsi-dec: add BE support
Mychaela Falconia <falcon@freecalypso.org>
parents: 145
diff changeset
105 bits2frame(input_bits + 1, frame, infname, frame_no);
96
9cf1355bc071 gsmefr-etsi-dec test program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
106 if (input_bits[245] > 2) {
9cf1355bc071 gsmefr-etsi-dec test program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
107 fprintf(stderr, "error in %s frame #%u: SID > 2\n",
150
da17c7f02c6c gsmefr-etsi-dec: add BE support
Mychaela Falconia <falcon@freecalypso.org>
parents: 145
diff changeset
108 infname, frame_no);
96
9cf1355bc071 gsmefr-etsi-dec test program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
109 exit(1);
9cf1355bc071 gsmefr-etsi-dec test program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
110 }
9cf1355bc071 gsmefr-etsi-dec test program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
111 if (input_bits[246] > 1) {
9cf1355bc071 gsmefr-etsi-dec test program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
112 fprintf(stderr, "error in %s frame #%u: TAF > 1\n",
150
da17c7f02c6c gsmefr-etsi-dec: add BE support
Mychaela Falconia <falcon@freecalypso.org>
parents: 145
diff changeset
113 infname, frame_no);
96
9cf1355bc071 gsmefr-etsi-dec test program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
114 exit(1);
9cf1355bc071 gsmefr-etsi-dec test program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
115 }
9cf1355bc071 gsmefr-etsi-dec test program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
116 rc = EFR_sid_classify(frame);
9cf1355bc071 gsmefr-etsi-dec test program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
117 if (input_bits[245] != rc) {
9cf1355bc071 gsmefr-etsi-dec test program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
118 fprintf(stderr,
9cf1355bc071 gsmefr-etsi-dec test program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
119 "warning: frame #%u has mismatching SID (file says %u, analysis yields %d)\n",
9cf1355bc071 gsmefr-etsi-dec test program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
120 frame_no, input_bits[245], rc);
9cf1355bc071 gsmefr-etsi-dec test program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
121 }
9cf1355bc071 gsmefr-etsi-dec test program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
122 EFR_decode_frame(state, frame, input_bits[0], input_bits[246],
9cf1355bc071 gsmefr-etsi-dec test program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
123 pcm);
150
da17c7f02c6c gsmefr-etsi-dec: add BE support
Mychaela Falconia <falcon@freecalypso.org>
parents: 145
diff changeset
124 if (big_endian)
da17c7f02c6c gsmefr-etsi-dec: add BE support
Mychaela Falconia <falcon@freecalypso.org>
parents: 145
diff changeset
125 write_pcm_be(outf, pcm);
da17c7f02c6c gsmefr-etsi-dec: add BE support
Mychaela Falconia <falcon@freecalypso.org>
parents: 145
diff changeset
126 else
da17c7f02c6c gsmefr-etsi-dec: add BE support
Mychaela Falconia <falcon@freecalypso.org>
parents: 145
diff changeset
127 write_pcm_le(outf, pcm);
96
9cf1355bc071 gsmefr-etsi-dec test program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
128 }
9cf1355bc071 gsmefr-etsi-dec test program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
129 fclose(outf);
9cf1355bc071 gsmefr-etsi-dec test program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
130 exit(0);
9cf1355bc071 gsmefr-etsi-dec test program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
131 }