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comparison pcmu2efr/gen-amrefr.c @ 19:2bdcd2ed9a1c

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pcmu2efr: generate AMR-EFR version
author Mychaela Falconia <falcon@freecalypso.org>
date Sun, 12 May 2024 00:56:42 +0000
parents pcmu2efr/gen-efr.c@528eef871e23
children f4420403219a
comparison
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18:6bcb8e4ea669 19:2bdcd2ed9a1c
1 /*
2 * The code in this module takes linear_inputs[][] from gen160.c
3 * and generates EFR-format frames by way of libtwamr encoder.
4 */
5
6 #include <stdio.h>
7 #include <stdint.h>
8 #include <stdlib.h>
9 #include <gsm_efr.h>
10 #include <tw_amr.h>
11
12 extern uint16_t linear_inputs[160][160];
13
14 uint8_t amr_efr[160][31];
15
16 void
17 generate_amr_efr(void)
18 {
19 struct amr_encoder_state *st;
20 struct amr_param_frame amr_frame;
21 unsigned m;
22
23 st = amr_encoder_create(0, 0);
24 if (!st) {
25 fprintf(stderr, "error: amr_encoder_create() failed\n");
26 exit(1);
27 }
28 for (m = 0; m < 160; m++) {
29 amr_encoder_reset(st, 0, 0);
30 amr_encode_frame(st, MR122, (const int16_t *) linear_inputs[m],
31 &amr_frame);
32 EFR_params2frame(amr_frame.param, amr_efr[m]);
33 }
34 free(st);
35 }