FreeCalypso > hg > gsm-codec-lib

annotate libtwamr/spstproc.h @ 468:4104b0390fab

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
efrtest: new program gsmefr-dlcap-sync
author Mychaela Falconia <falcon@freecalypso.org>
date Mon, 13 May 2024 07:21:09 +0000
parents a37687c6ff22
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
404
a37687c6ff22 libtwamr: integrate spstproc.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
1 /*
a37687c6ff22 libtwamr: integrate spstproc.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
2 ********************************************************************************
a37687c6ff22 libtwamr: integrate spstproc.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
3 *
a37687c6ff22 libtwamr: integrate spstproc.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
4 * GSM AMR-NB speech codec R98 Version 7.6.0 December 12, 2001
a37687c6ff22 libtwamr: integrate spstproc.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
5 * R99 Version 3.3.0
a37687c6ff22 libtwamr: integrate spstproc.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
6 * REL-4 Version 4.1.0
a37687c6ff22 libtwamr: integrate spstproc.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
7 *
a37687c6ff22 libtwamr: integrate spstproc.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
8 ********************************************************************************
a37687c6ff22 libtwamr: integrate spstproc.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
9 *
a37687c6ff22 libtwamr: integrate spstproc.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
10 * File : subframePostProc.h
a37687c6ff22 libtwamr: integrate spstproc.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
11 * Purpose : Subframe post processing
a37687c6ff22 libtwamr: integrate spstproc.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
12 *
a37687c6ff22 libtwamr: integrate spstproc.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
13 ********************************************************************************
a37687c6ff22 libtwamr: integrate spstproc.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
14 */
a37687c6ff22 libtwamr: integrate spstproc.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
15 #ifndef spstproc_h
a37687c6ff22 libtwamr: integrate spstproc.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
16 #define spstproc_h "$Id $"
a37687c6ff22 libtwamr: integrate spstproc.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
17
a37687c6ff22 libtwamr: integrate spstproc.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
18 /*
a37687c6ff22 libtwamr: integrate spstproc.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
19 ********************************************************************************
a37687c6ff22 libtwamr: integrate spstproc.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
20 * INCLUDE FILES
a37687c6ff22 libtwamr: integrate spstproc.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
21 ********************************************************************************
a37687c6ff22 libtwamr: integrate spstproc.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
22 */
a37687c6ff22 libtwamr: integrate spstproc.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
23 #include "tw_amr.h"
a37687c6ff22 libtwamr: integrate spstproc.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
24 #include "typedef.h"
a37687c6ff22 libtwamr: integrate spstproc.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
25
a37687c6ff22 libtwamr: integrate spstproc.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
26 /*
a37687c6ff22 libtwamr: integrate spstproc.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
27 ********************************************************************************
a37687c6ff22 libtwamr: integrate spstproc.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
28 * LOCAL VARIABLES AND TABLES
a37687c6ff22 libtwamr: integrate spstproc.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
29 ********************************************************************************
a37687c6ff22 libtwamr: integrate spstproc.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
30 */
a37687c6ff22 libtwamr: integrate spstproc.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
31
a37687c6ff22 libtwamr: integrate spstproc.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
32 /*
a37687c6ff22 libtwamr: integrate spstproc.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
33 ********************************************************************************
a37687c6ff22 libtwamr: integrate spstproc.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
34 * PUBLIC PROGRAM CODE
a37687c6ff22 libtwamr: integrate spstproc.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
35 ********************************************************************************
a37687c6ff22 libtwamr: integrate spstproc.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
36 */
a37687c6ff22 libtwamr: integrate spstproc.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
37
a37687c6ff22 libtwamr: integrate spstproc.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
38 int subframePostProc(
a37687c6ff22 libtwamr: integrate spstproc.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
39 Word16 *speech, /* i : speech segment */
a37687c6ff22 libtwamr: integrate spstproc.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
40 enum Mode mode, /* i : coder mode */
a37687c6ff22 libtwamr: integrate spstproc.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
41 Word16 i_subfr, /* i : Subframe nr */
a37687c6ff22 libtwamr: integrate spstproc.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
42 Word16 gain_pit, /* i : Pitch gain Q14 */
a37687c6ff22 libtwamr: integrate spstproc.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
43 Word16 gain_code, /* i : Decoded innovation gain */
a37687c6ff22 libtwamr: integrate spstproc.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
44 Word16 *Aq, /* i : A(z) quantized for the 4 subframes */
a37687c6ff22 libtwamr: integrate spstproc.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
45 Word16 synth[], /* i : Local snthesis */
a37687c6ff22 libtwamr: integrate spstproc.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
46 Word16 xn[], /* i : Target vector for pitch search */
a37687c6ff22 libtwamr: integrate spstproc.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
47 Word16 code[], /* i : Fixed codebook exitation */
a37687c6ff22 libtwamr: integrate spstproc.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
48 Word16 y1[], /* i : Filtered adaptive exitation */
a37687c6ff22 libtwamr: integrate spstproc.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
49 Word16 y2[], /* i : Filtered fixed codebook excitation */
a37687c6ff22 libtwamr: integrate spstproc.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
50 Word16 *mem_syn, /* i/o : memory of synthesis filter */
a37687c6ff22 libtwamr: integrate spstproc.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
51 Word16 *mem_err, /* o : pointer to error signal */
a37687c6ff22 libtwamr: integrate spstproc.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
52 Word16 *mem_w0, /* o : memory of weighting filter */
a37687c6ff22 libtwamr: integrate spstproc.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
53 Word16 *exc, /* o : long term prediction residual */
a37687c6ff22 libtwamr: integrate spstproc.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
54 Word16 *sharp /* o : pitch sharpening value */
a37687c6ff22 libtwamr: integrate spstproc.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
55 );
a37687c6ff22 libtwamr: integrate spstproc.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
56
a37687c6ff22 libtwamr: integrate spstproc.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
57 #endif