/* * Copyright (c) 2000 Apple Computer, Inc. All rights reserved. * * @APPLE_LICENSE_HEADER_START@ * * Copyright (c) 1999-2003 Apple Computer, Inc. All Rights Reserved. * * This file contains Original Code and/or Modifications of Original Code * as defined in and that are subject to the Apple Public Source License * Version 2.0 (the 'License'). You may not use this file except in * compliance with the License. Please obtain a copy of the License at * http://www.opensource.apple.com/apsl/ and read it before using this * file. * * The Original Code and all software distributed under the License are * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. * Please see the License for the specific language governing rights and * limitations under the License. * * @APPLE_LICENSE_HEADER_END@ */ /* * Copyright (c) 1998-2000 Apple Computer, Inc. All rights reserved. */ /*! * @header IOAudioLib * C interface to IOAudio functions */ #ifndef _IOAUDIOLIB_H #define _IOAUDIOLIB_H #include <IOKit/audio/IOAudioTypes.h> #if 0 #ifdef __cplusplus extern "C" { #endif /*! * @function IOAudioIsOutput * @abstract Determines if the audio stream is an output stream * @param service * @param out * @result kern_return_t */ kern_return_t IOAudioIsOutput(io_service_t service, int *out); /*! * @function IOAudioFlush * @abstract Indicate the position at which the audio stream can be stopped. * @param connect the audio stream * @param end the position * @result kern_return_t */ kern_return_t IOAudioFlush(io_connect_t connect, IOAudioStreamPosition *end); /*! * @function IOAudioSetErase * @abstract Set autoerase flag, returns old value * @param connect the audio stream * @param erase true to turn off, false otherwise * @param oldVal previous value * @result kern_return_t */ kern_return_t IOAudioSetErase(io_connect_t connect, int erase, int *oldVal); #ifdef __cplusplus } #endif #endif /* 0 */ #endif /* ! _IOAUDIOLIB_H */