annotate libtwamr/convolve.h @ 329:e230a4a87bd8

libtwamr: integrate convolve.c
author Mychaela Falconia <falcon@freecalypso.org>
date Thu, 18 Apr 2024 22:02:04 +0000
parents
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
329
e230a4a87bd8 libtwamr: integrate convolve.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
1 /*
e230a4a87bd8 libtwamr: integrate convolve.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
2 ********************************************************************************
e230a4a87bd8 libtwamr: integrate convolve.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
3 *
e230a4a87bd8 libtwamr: integrate convolve.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
4 * GSM AMR-NB speech codec R98 Version 7.6.0 December 12, 2001
e230a4a87bd8 libtwamr: integrate convolve.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
5 * R99 Version 3.3.0
e230a4a87bd8 libtwamr: integrate convolve.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
6 * REL-4 Version 4.1.0
e230a4a87bd8 libtwamr: integrate convolve.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
7 *
e230a4a87bd8 libtwamr: integrate convolve.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
8 ********************************************************************************
e230a4a87bd8 libtwamr: integrate convolve.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
9 *
e230a4a87bd8 libtwamr: integrate convolve.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
10 * File : convolve.h
e230a4a87bd8 libtwamr: integrate convolve.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
11 * Purpose : Perform the convolution between two vectors x[]
e230a4a87bd8 libtwamr: integrate convolve.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
12 * : and h[] and write the result in the vector y[].
e230a4a87bd8 libtwamr: integrate convolve.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
13 * : All vectors are of length L and only the first
e230a4a87bd8 libtwamr: integrate convolve.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
14 * : L samples of the convolution are computed.
e230a4a87bd8 libtwamr: integrate convolve.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
15 *
e230a4a87bd8 libtwamr: integrate convolve.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
16 ********************************************************************************
e230a4a87bd8 libtwamr: integrate convolve.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
17 */
e230a4a87bd8 libtwamr: integrate convolve.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
18 #ifndef convolve_h
e230a4a87bd8 libtwamr: integrate convolve.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
19 #define convolve_h "$Id $"
e230a4a87bd8 libtwamr: integrate convolve.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
20
e230a4a87bd8 libtwamr: integrate convolve.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
21 /*
e230a4a87bd8 libtwamr: integrate convolve.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
22 ********************************************************************************
e230a4a87bd8 libtwamr: integrate convolve.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
23 * INCLUDE FILES
e230a4a87bd8 libtwamr: integrate convolve.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
24 ********************************************************************************
e230a4a87bd8 libtwamr: integrate convolve.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
25 */
e230a4a87bd8 libtwamr: integrate convolve.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
26 #include "typedef.h"
e230a4a87bd8 libtwamr: integrate convolve.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
27
e230a4a87bd8 libtwamr: integrate convolve.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
28 /*
e230a4a87bd8 libtwamr: integrate convolve.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
29 ********************************************************************************
e230a4a87bd8 libtwamr: integrate convolve.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
30 * DEFINITION OF DATA TYPES
e230a4a87bd8 libtwamr: integrate convolve.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
31 ********************************************************************************
e230a4a87bd8 libtwamr: integrate convolve.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
32 */
e230a4a87bd8 libtwamr: integrate convolve.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
33
e230a4a87bd8 libtwamr: integrate convolve.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
34 /*
e230a4a87bd8 libtwamr: integrate convolve.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
35 ********************************************************************************
e230a4a87bd8 libtwamr: integrate convolve.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
36 * DECLARATION OF PROTOTYPES
e230a4a87bd8 libtwamr: integrate convolve.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
37 ********************************************************************************
e230a4a87bd8 libtwamr: integrate convolve.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
38 */
e230a4a87bd8 libtwamr: integrate convolve.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
39 void Convolve (
e230a4a87bd8 libtwamr: integrate convolve.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
40 Word16 x[], /* (i) : input vector */
e230a4a87bd8 libtwamr: integrate convolve.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
41 Word16 h[], /* (i) : impulse response */
e230a4a87bd8 libtwamr: integrate convolve.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
42 Word16 y[], /* (o) : output vector */
e230a4a87bd8 libtwamr: integrate convolve.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
43 Word16 L /* (i) : vector size */
e230a4a87bd8 libtwamr: integrate convolve.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
44 );
e230a4a87bd8 libtwamr: integrate convolve.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
45
e230a4a87bd8 libtwamr: integrate convolve.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
46 #endif