80 lines
2.8 KiB
Groff
80 lines
2.8 KiB
Groff
.\" $NetBSD: ossaudio.3,v 1.9 1999/04/13 20:45:25 augustss Exp $
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.\"
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.\" Copyright (c) 1997 The NetBSD Foundation, Inc.
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.\" All rights reserved.
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.\"
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.\" This code is derived from software contributed to The NetBSD Foundation
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.\" by Lennart Augustsson,
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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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.\" 3. All advertising materials mentioning features or use of this software
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.\" must display the following acknowledgement:
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.\" This product includes software developed by the NetBSD
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.\" Foundation, Inc. and its contributors.
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.\" 4. Neither the name of The NetBSD Foundation nor the names of its
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.\" contributors may be used to endorse or promote products derived
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.\" from this software without specific prior written permission.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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.\" ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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.\" TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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.\" PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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.\" BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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.\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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.\" SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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.\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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.\" CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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.\" POSSIBILITY OF SUCH DAMAGE.
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.\"
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.Dd October 16, 1997
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.Dt OSSAUDIO 3
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.Os
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.Sh NAME
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.Nm ossaudio
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.Nd OSS audio emulation
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.Sh LIBRARY
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.Lb libossaudio
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.Sh SYNOPSIS
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.Fd #include <soundcard.h>
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.Sh DESCRIPTION
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The
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.Nm
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library provides an emulation of the OSS (Linux) audio
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interface.
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.Pp
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Use the native interface for new programs and the emulation
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library only for porting programs.
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.Sh SEE ALSO
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.Xr audio 4 ,
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.Xr midi 4 .
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.Sh BUGS
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The emulation uses an #define for
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.Va ioctl()
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so some obscure programs
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can fail to compile.
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.Pp
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The emulation is incomplete.
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.Pp
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The emulation only covers
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.Va ioctl() ,
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there are other differences as well. E.g., on a write
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that would block in non-blocking mode Linux returns
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.Dv EINTR
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whereas
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.Nx 1.3
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returns
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.Dv EWOULDBLOCK .
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.Sh HISTORY
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The
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.Nm
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library first appeared in
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.Nx 1.3 .
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