1 /* -*- c-basic-offset: 4; indent-tabs-mode: nil -*- */
2 /* ====================================================================
3  * Copyright (c) 1996-2004 Carnegie Mellon University.  All rights
4  * reserved.
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions
8  * are met:
9  *
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  *
13  * 2. Redistributions in binary form must reproduce the above copyright
14  *    notice, this list of conditions and the following disclaimer in
15  *    the documentation and/or other materials provided with the
16  *    distribution.
17  *
18  * This work was supported in part by funding from the Defense Advanced
19  * Research Projects Agency and the National Science Foundation of the
20  * United States of America, and the CMU Sphinx Speech Consortium.
21  *
22  * THIS SOFTWARE IS PROVIDED BY CARNEGIE MELLON UNIVERSITY ``AS IS'' AND
23  * ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
24  * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
25  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL CARNEGIE MELLON UNIVERSITY
26  * NOR ITS EMPLOYEES BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
27  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
28  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
29  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
30  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
31  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
32  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
33  *
34  * ====================================================================
35  *
36  */
37 #ifndef __SPHINX_FE_H__
38 #define __SPHINX_FE_H__
39 
40 /**
41  * Waveform to feature converter object.
42  */
43 typedef struct sphinx_wave2feat_s sphinx_wave2feat_t;
44 
45 /**
46  * Initialize waveform to feature converter.
47  */
48 sphinx_wave2feat_t *sphinx_wave2feat_init(cmd_ln_t *config);
49 
50 /**
51  * Release a waveform to feature converter.
52  */
53 int sphinx_wave2feat_free(sphinx_wave2feat_t *w2f);
54 
55 /**
56  * Retain a waveform to feature converter.
57  */
58 sphinx_wave2feat_t *sphinx_wave2feat_retain(sphinx_wave2feat_t *w2f);
59 
60 /**
61  * Convert one file.
62  */
63 int sphinx_wave2feat_convert_file(sphinx_wave2feat_t *w2f,
64 				  char const *infile, char const *outfile);
65 
66 #endif /* __SPHINX_FE_H__ */
67