SphinxBase 0.6
ad_base.c
1/* -*- c-basic-offset: 4; indent-tabs-mode: nil -*- */
2/* ====================================================================
3 * Copyright (c) 1999-2001 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
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32 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
33 *
34 * ====================================================================
35 *
36 */
37
38/*
39 * ad.c -- Wraps a "sphinx-II standard" audio interface around the basic audio
40 * utilities.
41 *
42 * HISTORY
43 *
44 * 11-Jun-96 M K Ravishankar (rkm@cs.cmu.edu) at Carnegie Mellon University.
45 * Modified to conform to new A/D API.
46 *
47 * 12-May-96 M K Ravishankar (rkm@cs.cmu.edu) at Carnegie Mellon University.
48 * Dummy template created.
49 */
50
51#include <stdio.h>
52#include <string.h>
53#include <config.h>
54
55#include "prim_type.h"
56#include "ad.h"
57
58#define QUIT(x) {fprintf x; exit(-1);}
59
60
62ad_open_dev(const char *dev, int32 samples_per_sec)
63{
64 fprintf(stderr, "A/D library not implemented\n");
65 return NULL;
66}
67
68
70ad_open_sps(int32 samples_per_sec)
71{
72 fprintf(stderr, "A/D library not implemented\n");
73 return NULL;
74}
75
77ad_open(void)
78{
79 return ad_open_sps(DEFAULT_SAMPLES_PER_SEC);
80}
81
82
83int32
84ad_start_rec(ad_rec_t * r)
85{
86 return -1;
87}
88
89
90int32
91ad_stop_rec(ad_rec_t * r)
92{
93 return -1;
94}
95
96
97int32
98ad_read(ad_rec_t * r, int16 * buf, int32 max)
99{
100 return -1;
101}
102
103
104int32
105ad_close(ad_rec_t * r)
106{
107 return 0;
108}
generic live audio interface for recording and playback
SPHINXBASE_EXPORT ad_rec_t * ad_open_dev(const char *dev, int32 samples_per_sec)
Open a specific audio device for recording.
Definition ad_alsa.c:252
SPHINXBASE_EXPORT ad_rec_t * ad_open(void)
Open the default audio device.
Definition ad_alsa.c:296
SPHINXBASE_EXPORT ad_rec_t * ad_open_sps(int32 samples_per_sec)
Open the default audio device with a given sampling rate.
Definition ad_alsa.c:290
Basic type definitions used in Sphinx.
Definition ad.h:255