FreeCalypso > hg > gsm-codec-lib

annotate libtwamr/cbsearch.h @ 527:f3246d109e2d

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
libgsmfr2: add gsmfr_fulldec_bfi_bits()
author Mychaela Falconia <falcon@freecalypso.org>
date Thu, 19 Sep 2024 07:03:12 +0000
parents 4614f1a97e1a
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
328
4614f1a97e1a libtwamr: integrate cbsearch.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
1 /*
4614f1a97e1a libtwamr: integrate cbsearch.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
2 *****************************************************************************
4614f1a97e1a libtwamr: integrate cbsearch.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
3 *
4614f1a97e1a libtwamr: integrate cbsearch.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
4 * GSM AMR-NB speech codec R98 Version 7.6.0 December 12, 2001
4614f1a97e1a libtwamr: integrate cbsearch.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
5 * R99 Version 3.3.0
4614f1a97e1a libtwamr: integrate cbsearch.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
6 * REL-4 Version 4.1.0
4614f1a97e1a libtwamr: integrate cbsearch.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
7 *
4614f1a97e1a libtwamr: integrate cbsearch.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
8 *****************************************************************************
4614f1a97e1a libtwamr: integrate cbsearch.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
9 *
4614f1a97e1a libtwamr: integrate cbsearch.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
10 * File : cbsearch.h
4614f1a97e1a libtwamr: integrate cbsearch.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
11 * Purpose : Inovative codebook search (find index and gain)
4614f1a97e1a libtwamr: integrate cbsearch.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
12 *
4614f1a97e1a libtwamr: integrate cbsearch.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
13 *****************************************************************************
4614f1a97e1a libtwamr: integrate cbsearch.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
14 */
4614f1a97e1a libtwamr: integrate cbsearch.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
15 #ifndef cbsearch_h
4614f1a97e1a libtwamr: integrate cbsearch.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
16 #define cbsearch_h "$Id $"
4614f1a97e1a libtwamr: integrate cbsearch.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
17
4614f1a97e1a libtwamr: integrate cbsearch.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
18 /*
4614f1a97e1a libtwamr: integrate cbsearch.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
19 *****************************************************************************
4614f1a97e1a libtwamr: integrate cbsearch.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
20 * INCLUDE FILES
4614f1a97e1a libtwamr: integrate cbsearch.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
21 *****************************************************************************
4614f1a97e1a libtwamr: integrate cbsearch.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
22 */
4614f1a97e1a libtwamr: integrate cbsearch.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
23 #include "tw_amr.h"
4614f1a97e1a libtwamr: integrate cbsearch.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
24 #include "typedef.h"
4614f1a97e1a libtwamr: integrate cbsearch.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
25
4614f1a97e1a libtwamr: integrate cbsearch.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
26 /*
4614f1a97e1a libtwamr: integrate cbsearch.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
27 *****************************************************************************
4614f1a97e1a libtwamr: integrate cbsearch.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
28 * LOCAL VARIABLES AND TABLES
4614f1a97e1a libtwamr: integrate cbsearch.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
29 *****************************************************************************
4614f1a97e1a libtwamr: integrate cbsearch.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
30 */
4614f1a97e1a libtwamr: integrate cbsearch.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
31
4614f1a97e1a libtwamr: integrate cbsearch.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
32 /*
4614f1a97e1a libtwamr: integrate cbsearch.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
33 *****************************************************************************
4614f1a97e1a libtwamr: integrate cbsearch.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
34 * DEFINITION OF DATA TYPES
4614f1a97e1a libtwamr: integrate cbsearch.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
35 *****************************************************************************
4614f1a97e1a libtwamr: integrate cbsearch.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
36 */
4614f1a97e1a libtwamr: integrate cbsearch.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
37
4614f1a97e1a libtwamr: integrate cbsearch.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
38 /*
4614f1a97e1a libtwamr: integrate cbsearch.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
39 *****************************************************************************
4614f1a97e1a libtwamr: integrate cbsearch.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
40 * PUBLIC PROGRAM CODE
4614f1a97e1a libtwamr: integrate cbsearch.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
41 *****************************************************************************
4614f1a97e1a libtwamr: integrate cbsearch.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
42 */
4614f1a97e1a libtwamr: integrate cbsearch.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
43 int cbsearch(Word16 x[], /* i : target vector, Q0 */
4614f1a97e1a libtwamr: integrate cbsearch.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
44 Word16 h[], /* i : impulse response of weighted synthesis */
4614f1a97e1a libtwamr: integrate cbsearch.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
45 /* filter h[-L_subfr..-1] must be set to */
4614f1a97e1a libtwamr: integrate cbsearch.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
46 /* zero. Q12 */
4614f1a97e1a libtwamr: integrate cbsearch.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
47 Word16 T0, /* i : Pitch lag */
4614f1a97e1a libtwamr: integrate cbsearch.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
48 Word16 pitch_sharp, /* i : Last quantized pitch gain, Q14 */
4614f1a97e1a libtwamr: integrate cbsearch.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
49 Word16 gain_pit,/* i : Pitch gain, Q14 */
4614f1a97e1a libtwamr: integrate cbsearch.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
50 Word16 res2[], /* i : Long term prediction residual, Q0 */
4614f1a97e1a libtwamr: integrate cbsearch.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
51 Word16 code[], /* o : Innovative codebook, Q13 */
4614f1a97e1a libtwamr: integrate cbsearch.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
52 Word16 y[], /* o : filtered fixed codebook excitation, Q12 */
4614f1a97e1a libtwamr: integrate cbsearch.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
53 Word16 **anap, /* o : Signs of the pulses */
4614f1a97e1a libtwamr: integrate cbsearch.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
54 enum Mode mode, /* i : coder mode */
4614f1a97e1a libtwamr: integrate cbsearch.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
55 Word16 subNr) /* i : subframe number */
4614f1a97e1a libtwamr: integrate cbsearch.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
56 ;
4614f1a97e1a libtwamr: integrate cbsearch.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
57
4614f1a97e1a libtwamr: integrate cbsearch.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
58 #endif