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comparison libtwamr/tseq_in.c @ 429:3ce30a95769e

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libtwamr: implement test sequence input
author Mychaela Falconia <falcon@freecalypso.org>
date Tue, 07 May 2024 22:34:11 +0000
parents libtwamr/tseq_out.c@eced57698c03
children
comparison
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428:ffd87f972f86 429:3ce30a95769e
1 /*
2 * In this module we implement decoder input conversion from 3GPP
3 * test sequence format to our internal struct amr_param_frame.
4 */
5
6 #include <stdint.h>
7 #include <string.h>
8 #include "tw_amr.h"
9 #include "namespace.h"
10 #include "typedef.h"
11 #include "cnst.h"
12 #include "bits2prm.h"
13
14 int amr_frame_from_tseq(const uint16_t *cod, int use_rxtype,
15 struct amr_param_frame *frame)
16 {
17 enum RXFrameType rx_type;
18 int rc;
19
20 if (use_rxtype) {
21 if (cod[0] >= RX_N_FRAMETYPES)
22 return -1;
23 rx_type = cod[0];
24 } else {
25 rc = amr_txtype_to_rxtype(cod[0], &rx_type);
26 if (rc < 0)
27 return -1;
28 }
29 frame->type = rx_type;
30 if (rx_type == RX_NO_DATA) {
31 frame->mode = 0xFF;
32 return 0;
33 }
34 if (cod[MAX_SERIAL_SIZE+1] > 7)
35 return -2;
36 frame->mode = cod[MAX_SERIAL_SIZE+1];
37 switch (rx_type) {
38 case RX_SPEECH_GOOD:
39 case RX_SPEECH_DEGRADED:
40 case RX_SPEECH_BAD:
41 Bits2prm(frame->mode, cod + 1, frame->param);
42 break;
43 case RX_SID_UPDATE:
44 case RX_SID_BAD:
45 Bits2prm(MRDTX, cod + 1, frame->param);
46 break;
47 }
48 return 0;
49 }