00001 /* ==================================================================== 00002 * Copyright (c) 1999-2001 Carnegie Mellon University. All rights 00003 * reserved. 00004 * 00005 * Redistribution and use in source and binary forms, with or without 00006 * modification, are permitted provided that the following conditions 00007 * are met: 00008 * 00009 * 1. Redistributions of source code must retain the above copyright 00010 * notice, this list of conditions and the following disclaimer. 00011 * 00012 * 2. Redistributions in binary form must reproduce the above copyright 00013 * notice, this list of conditions and the following disclaimer in 00014 * the documentation and/or other materials provided with the 00015 * distribution. 00016 * 00017 * This work was supported in part by funding from the Defense Advanced 00018 * Research Projects Agency and the National Science Foundation of the 00019 * United States of America, and the CMU Sphinx Speech Consortium. 00020 * 00021 * THIS SOFTWARE IS PROVIDED BY CARNEGIE MELLON UNIVERSITY ``AS IS'' AND 00022 * ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 00023 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 00024 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL CARNEGIE MELLON UNIVERSITY 00025 * NOR ITS EMPLOYEES BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 00026 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 00027 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 00028 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 00029 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 00030 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 00031 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 00032 * 00033 * ==================================================================== 00034 * 00035 */ 00036 /* 00037 * audio_utils.h -- From Bob Brennan for Sun audio utilities. 00038 * 00039 * HISTORY 00040 * 00041 * 07-Dec-01 K A Lenzo (lenzo@cs.cmu.edu) at Carnegie Mellon University 00042 * ifdefed around the sun4/solaris header location diff. 00043 * 00044 * 15-Jul-98 M K Ravishankar (rkm@cs.cmu.edu) at Carnegie Mellon University 00045 * sys/audioio.h and sys/filio.h included following Alex 00046 * Rudnicky's remarks. 00047 * 00048 * 02-Aug-95 M K Ravishankar (rkm@cs.cmu.edu) at Carnegie Mellon University 00049 * Created from Bob Brennan's original. 00050 */ 00051 00057 #ifdef SUN4 00058 #include <sun/audioio.h> 00059 #else 00060 #include <sys/audioio.h> 00061 #endif 00062 #include <sys/filio.h> 00063 00064 00065 #ifdef __cplusplus 00066 extern "C" { 00067 #endif 00068 #if 0 00069 /* Fool Emacs. */ 00070 } 00071 #endif 00072 00073 int audioOpen(const char *dev, int rate); 00074 void audioPause(void); 00075 void audioFlush(void); 00076 void audioStartRecord(void); 00077 void audioStopRecord(void); 00078 void audioClose(void); 00079 int audioSetRecordGain(int gain); 00080 00081 #ifdef __cplusplus 00082 } 00083 #endif 00084