FreeCalypso > hg > gsm-codec-lib

annotate libtwamr/tseq_in.c @ 475:e512f0d25409

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
doc/Calypso-TCH-downlink: document gsm[e]fr-dlcap-sync
author Mychaela Falconia <falcon@freecalypso.org>
date Sat, 18 May 2024 00:13:26 +0000
parents 3ce30a95769e
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
420
eced57698c03 libtwamr: implement test sequence output
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
1 /*
429
3ce30a95769e libtwamr: implement test sequence input
Mychaela Falconia <falcon@freecalypso.org>
parents: 420
diff changeset
2 * In this module we implement decoder input conversion from 3GPP
3ce30a95769e libtwamr: implement test sequence input
Mychaela Falconia <falcon@freecalypso.org>
parents: 420
diff changeset
3 * test sequence format to our internal struct amr_param_frame.
420
eced57698c03 libtwamr: implement test sequence output
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
4 */
eced57698c03 libtwamr: implement test sequence output
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
5
eced57698c03 libtwamr: implement test sequence output
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
6 #include <stdint.h>
eced57698c03 libtwamr: implement test sequence output
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
7 #include <string.h>
eced57698c03 libtwamr: implement test sequence output
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
8 #include "tw_amr.h"
eced57698c03 libtwamr: implement test sequence output
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
9 #include "namespace.h"
eced57698c03 libtwamr: implement test sequence output
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
10 #include "typedef.h"
eced57698c03 libtwamr: implement test sequence output
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
11 #include "cnst.h"
429
3ce30a95769e libtwamr: implement test sequence input
Mychaela Falconia <falcon@freecalypso.org>
parents: 420
diff changeset
12 #include "bits2prm.h"
420
eced57698c03 libtwamr: implement test sequence output
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
13
429
3ce30a95769e libtwamr: implement test sequence input
Mychaela Falconia <falcon@freecalypso.org>
parents: 420
diff changeset
14 int amr_frame_from_tseq(const uint16_t *cod, int use_rxtype,
3ce30a95769e libtwamr: implement test sequence input
Mychaela Falconia <falcon@freecalypso.org>
parents: 420
diff changeset
15 struct amr_param_frame *frame)
420
eced57698c03 libtwamr: implement test sequence output
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
16 {
429
3ce30a95769e libtwamr: implement test sequence input
Mychaela Falconia <falcon@freecalypso.org>
parents: 420
diff changeset
17 enum RXFrameType rx_type;
3ce30a95769e libtwamr: implement test sequence input
Mychaela Falconia <falcon@freecalypso.org>
parents: 420
diff changeset
18 int rc;
420
eced57698c03 libtwamr: implement test sequence output
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
19
429
3ce30a95769e libtwamr: implement test sequence input
Mychaela Falconia <falcon@freecalypso.org>
parents: 420
diff changeset
20 if (use_rxtype) {
3ce30a95769e libtwamr: implement test sequence input
Mychaela Falconia <falcon@freecalypso.org>
parents: 420
diff changeset
21 if (cod[0] >= RX_N_FRAMETYPES)
3ce30a95769e libtwamr: implement test sequence input
Mychaela Falconia <falcon@freecalypso.org>
parents: 420
diff changeset
22 return -1;
3ce30a95769e libtwamr: implement test sequence input
Mychaela Falconia <falcon@freecalypso.org>
parents: 420
diff changeset
23 rx_type = cod[0];
3ce30a95769e libtwamr: implement test sequence input
Mychaela Falconia <falcon@freecalypso.org>
parents: 420
diff changeset
24 } else {
3ce30a95769e libtwamr: implement test sequence input
Mychaela Falconia <falcon@freecalypso.org>
parents: 420
diff changeset
25 rc = amr_txtype_to_rxtype(cod[0], &rx_type);
3ce30a95769e libtwamr: implement test sequence input
Mychaela Falconia <falcon@freecalypso.org>
parents: 420
diff changeset
26 if (rc < 0)
3ce30a95769e libtwamr: implement test sequence input
Mychaela Falconia <falcon@freecalypso.org>
parents: 420
diff changeset
27 return -1;
3ce30a95769e libtwamr: implement test sequence input
Mychaela Falconia <falcon@freecalypso.org>
parents: 420
diff changeset
28 }
3ce30a95769e libtwamr: implement test sequence input
Mychaela Falconia <falcon@freecalypso.org>
parents: 420
diff changeset
29 frame->type = rx_type;
3ce30a95769e libtwamr: implement test sequence input
Mychaela Falconia <falcon@freecalypso.org>
parents: 420
diff changeset
30 if (rx_type == RX_NO_DATA) {
3ce30a95769e libtwamr: implement test sequence input
Mychaela Falconia <falcon@freecalypso.org>
parents: 420
diff changeset
31 frame->mode = 0xFF;
3ce30a95769e libtwamr: implement test sequence input
Mychaela Falconia <falcon@freecalypso.org>
parents: 420
diff changeset
32 return 0;
3ce30a95769e libtwamr: implement test sequence input
Mychaela Falconia <falcon@freecalypso.org>
parents: 420
diff changeset
33 }
3ce30a95769e libtwamr: implement test sequence input
Mychaela Falconia <falcon@freecalypso.org>
parents: 420
diff changeset
34 if (cod[MAX_SERIAL_SIZE+1] > 7)
3ce30a95769e libtwamr: implement test sequence input
Mychaela Falconia <falcon@freecalypso.org>
parents: 420
diff changeset
35 return -2;
3ce30a95769e libtwamr: implement test sequence input
Mychaela Falconia <falcon@freecalypso.org>
parents: 420
diff changeset
36 frame->mode = cod[MAX_SERIAL_SIZE+1];
3ce30a95769e libtwamr: implement test sequence input
Mychaela Falconia <falcon@freecalypso.org>
parents: 420
diff changeset
37 switch (rx_type) {
3ce30a95769e libtwamr: implement test sequence input
Mychaela Falconia <falcon@freecalypso.org>
parents: 420
diff changeset
38 case RX_SPEECH_GOOD:
3ce30a95769e libtwamr: implement test sequence input
Mychaela Falconia <falcon@freecalypso.org>
parents: 420
diff changeset
39 case RX_SPEECH_DEGRADED:
3ce30a95769e libtwamr: implement test sequence input
Mychaela Falconia <falcon@freecalypso.org>
parents: 420
diff changeset
40 case RX_SPEECH_BAD:
3ce30a95769e libtwamr: implement test sequence input
Mychaela Falconia <falcon@freecalypso.org>
parents: 420
diff changeset
41 Bits2prm(frame->mode, cod + 1, frame->param);
420
eced57698c03 libtwamr: implement test sequence output
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
42 break;
429
3ce30a95769e libtwamr: implement test sequence input
Mychaela Falconia <falcon@freecalypso.org>
parents: 420
diff changeset
43 case RX_SID_UPDATE:
3ce30a95769e libtwamr: implement test sequence input
Mychaela Falconia <falcon@freecalypso.org>
parents: 420
diff changeset
44 case RX_SID_BAD:
3ce30a95769e libtwamr: implement test sequence input
Mychaela Falconia <falcon@freecalypso.org>
parents: 420
diff changeset
45 Bits2prm(MRDTX, cod + 1, frame->param);
420
eced57698c03 libtwamr: implement test sequence output
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
46 break;
eced57698c03 libtwamr: implement test sequence output
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
47 }
429
3ce30a95769e libtwamr: implement test sequence input
Mychaela Falconia <falcon@freecalypso.org>
parents: 420
diff changeset
48 return 0;
420
eced57698c03 libtwamr: implement test sequence output
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
49 }