FreeCalypso > hg > vband-misc

annotate pcma2efr/gen-efr.c @ 34:307fe06fabec

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
dhf: generate EFR hex DHF in C form
author Mychaela Falconia <falcon@freecalypso.org>
date Tue, 14 May 2024 03:36:31 +0000
parents 4f47447fd17f
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
15
528eef871e23 pcmu2efr project started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
1 /*
22
f4420403219a pcmu2efr: change linear input gen to support 2nd frame
Mychaela Falconia <falcon@freecalypso.org>
parents: 15
diff changeset
2 * The code in this module takes linear_input_array[] from gen160.c
15
528eef871e23 pcmu2efr project started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
3 * and generates standard EFR-encoded frames.
528eef871e23 pcmu2efr project started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
4 */
528eef871e23 pcmu2efr project started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
5
528eef871e23 pcmu2efr project started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
6 #include <stdio.h>
528eef871e23 pcmu2efr project started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
7 #include <stdint.h>
528eef871e23 pcmu2efr project started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
8 #include <stdlib.h>
528eef871e23 pcmu2efr project started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
9 #include <gsm_efr.h>
528eef871e23 pcmu2efr project started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
10
22
f4420403219a pcmu2efr: change linear input gen to support 2nd frame
Mychaela Falconia <falcon@freecalypso.org>
parents: 15
diff changeset
11 extern uint16_t linear_input_array[480];
15
528eef871e23 pcmu2efr project started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
12
528eef871e23 pcmu2efr project started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
13 uint8_t standard_efr[160][31];
528eef871e23 pcmu2efr project started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
14
528eef871e23 pcmu2efr project started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
15 void
528eef871e23 pcmu2efr project started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
16 generate_std_efr(void)
528eef871e23 pcmu2efr project started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
17 {
528eef871e23 pcmu2efr project started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
18 struct EFR_encoder_state *st;
528eef871e23 pcmu2efr project started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
19 unsigned m;
528eef871e23 pcmu2efr project started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
20
528eef871e23 pcmu2efr project started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
21 st = EFR_encoder_create(0);
528eef871e23 pcmu2efr project started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
22 if (!st) {
528eef871e23 pcmu2efr project started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
23 fprintf(stderr, "error: EFR_encoder_create() failed\n");
528eef871e23 pcmu2efr project started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
24 exit(1);
528eef871e23 pcmu2efr project started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
25 }
528eef871e23 pcmu2efr project started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
26 for (m = 0; m < 160; m++) {
528eef871e23 pcmu2efr project started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
27 EFR_encoder_reset(st, 0);
22
f4420403219a pcmu2efr: change linear input gen to support 2nd frame
Mychaela Falconia <falcon@freecalypso.org>
parents: 15
diff changeset
28 EFR_encode_frame(st, (const int16_t *) linear_input_array+160-m,
15
528eef871e23 pcmu2efr project started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
29 standard_efr[m], (int *) 0, (int *) 0);
528eef871e23 pcmu2efr project started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
30 }
528eef871e23 pcmu2efr project started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
31 free(st);
528eef871e23 pcmu2efr project started
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
32 }