54 lines
2.3 KiB
C
54 lines
2.3 KiB
C
/*
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* Copyright (c) 1997, 1999 Hellmuth Michaelis. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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*---------------------------------------------------------------------------
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*
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* i4b_tel_ioctl.h telephony interface ioctls
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* ------------------------------------------
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*
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* $Id: i4b_tel_ioctl.h,v 1.7 1999/02/16 10:40:18 hm Exp $
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*
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* last edit-date: [Sun Feb 14 10:39:19 1999]
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*
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*---------------------------------------------------------------------------*/
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#ifndef _I4B_TEL_IOCTL_H_
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#define _I4B_TEL_IOCTL_H_
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/* supported audio format conversions for /dev/i4btelXX devices */
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#define CVT_NONE 0 /* no format conversion */
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#define CVT_ALAW2ULAW 1 /* kernel A-law, userland mu-law */
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#define CVT_ALAW_CANON 2 /* kernel A-law, userland canonical A-law */
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/*---------------------------------------------------------------------------*
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* get / set audio format
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*---------------------------------------------------------------------------*/
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#define I4B_TEL_GETAUDIOFMT _IOR('A', 0, int)
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#define I4B_TEL_SETAUDIOFMT _IOW('A', 1, int)
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#define I4B_TEL_EMPTYINPUTQUEUE _IOW('A', 2, int)
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#endif /* _I4B_TEL_IOCTL_H_ */
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