FreeCalypso > hg > gsm-codec-lib

annotate libtwamr/s10_8pf.h @ 529:79cd992de3ad

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
libgsmfr2: API definitions for TFO transform
author Mychaela Falconia <falcon@freecalypso.org>
date Thu, 19 Sep 2024 08:07:26 +0000
parents ebd064c52fe3
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
316
ebd064c52fe3 libtwamr: integrate s10_8pf.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
1 /*
ebd064c52fe3 libtwamr: integrate s10_8pf.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
2 ********************************************************************************
ebd064c52fe3 libtwamr: integrate s10_8pf.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
3 *
ebd064c52fe3 libtwamr: integrate s10_8pf.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
4 * GSM AMR-NB speech codec R98 Version 7.6.0 December 12, 2001
ebd064c52fe3 libtwamr: integrate s10_8pf.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
5 * R99 Version 3.3.0
ebd064c52fe3 libtwamr: integrate s10_8pf.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
6 * REL-4 Version 4.1.0
ebd064c52fe3 libtwamr: integrate s10_8pf.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
7 *
ebd064c52fe3 libtwamr: integrate s10_8pf.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
8 ********************************************************************************
ebd064c52fe3 libtwamr: integrate s10_8pf.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
9 *
ebd064c52fe3 libtwamr: integrate s10_8pf.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
10 * File : s10_8pf.h
ebd064c52fe3 libtwamr: integrate s10_8pf.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
11 * Purpose : Searches a 35/31 bit algebraic codebook containing
ebd064c52fe3 libtwamr: integrate s10_8pf.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
12 * : 10/8 pulses in a frame of 40 samples.
ebd064c52fe3 libtwamr: integrate s10_8pf.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
13 *
ebd064c52fe3 libtwamr: integrate s10_8pf.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
14 ********************************************************************************
ebd064c52fe3 libtwamr: integrate s10_8pf.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
15 */
ebd064c52fe3 libtwamr: integrate s10_8pf.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
16 #ifndef s10_8pf_h
ebd064c52fe3 libtwamr: integrate s10_8pf.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
17 #define s10_8pf_h "$Id $"
ebd064c52fe3 libtwamr: integrate s10_8pf.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
18
ebd064c52fe3 libtwamr: integrate s10_8pf.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
19 /*
ebd064c52fe3 libtwamr: integrate s10_8pf.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
20 ********************************************************************************
ebd064c52fe3 libtwamr: integrate s10_8pf.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
21 * INCLUDE FILES
ebd064c52fe3 libtwamr: integrate s10_8pf.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
22 ********************************************************************************
ebd064c52fe3 libtwamr: integrate s10_8pf.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
23 */
ebd064c52fe3 libtwamr: integrate s10_8pf.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
24 #include "typedef.h"
ebd064c52fe3 libtwamr: integrate s10_8pf.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
25 #include "cnst.h"
ebd064c52fe3 libtwamr: integrate s10_8pf.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
26
ebd064c52fe3 libtwamr: integrate s10_8pf.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
27 /*
ebd064c52fe3 libtwamr: integrate s10_8pf.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
28 ********************************************************************************
ebd064c52fe3 libtwamr: integrate s10_8pf.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
29 * DEFINITION OF DATA TYPES
ebd064c52fe3 libtwamr: integrate s10_8pf.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
30 ********************************************************************************
ebd064c52fe3 libtwamr: integrate s10_8pf.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
31 */
ebd064c52fe3 libtwamr: integrate s10_8pf.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
32
ebd064c52fe3 libtwamr: integrate s10_8pf.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
33 /*
ebd064c52fe3 libtwamr: integrate s10_8pf.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
34 ********************************************************************************
ebd064c52fe3 libtwamr: integrate s10_8pf.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
35 * DECLARATION OF PROTOTYPES
ebd064c52fe3 libtwamr: integrate s10_8pf.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
36 ********************************************************************************
ebd064c52fe3 libtwamr: integrate s10_8pf.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
37 */
ebd064c52fe3 libtwamr: integrate s10_8pf.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
38
ebd064c52fe3 libtwamr: integrate s10_8pf.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
39 void search_10and8i40 (
ebd064c52fe3 libtwamr: integrate s10_8pf.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
40 Word16 nbPulse, /* i : nbpulses to find */
ebd064c52fe3 libtwamr: integrate s10_8pf.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
41 Word16 step, /* i : stepsize */
ebd064c52fe3 libtwamr: integrate s10_8pf.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
42 Word16 nbTracks, /* i : nbTracks */
ebd064c52fe3 libtwamr: integrate s10_8pf.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
43 Word16 dn[], /* i : correlation between target and h[] */
ebd064c52fe3 libtwamr: integrate s10_8pf.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
44 Word16 rr[][L_CODE], /* i : matrix of autocorrelation */
ebd064c52fe3 libtwamr: integrate s10_8pf.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
45 Word16 ipos[], /* i : starting position for each pulse */
ebd064c52fe3 libtwamr: integrate s10_8pf.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
46 Word16 pos_max[], /* i : position of maximum of dn[] */
ebd064c52fe3 libtwamr: integrate s10_8pf.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
47 Word16 codvec[] /* o : algebraic codebook vector */
ebd064c52fe3 libtwamr: integrate s10_8pf.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
48 );
ebd064c52fe3 libtwamr: integrate s10_8pf.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
49
ebd064c52fe3 libtwamr: integrate s10_8pf.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
50 #endif