1/* 2 * Copyright (c) 2000 Apple Computer, Inc. All rights reserved. 3 * 4 * @APPLE_LICENSE_HEADER_START@ 5 * 6 * This file contains Original Code and/or Modifications of Original Code 7 * as defined in and that are subject to the Apple Public Source License 8 * Version 2.0 (the 'License'). You may not use this file except in 9 * compliance with the License. Please obtain a copy of the License at 10 * http://www.opensource.apple.com/apsl/ and read it before using this 11 * file. 12 * 13 * The Original Code and all software distributed under the License are 14 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER 15 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, 16 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, 17 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 18 * Please see the License for the specific language governing rights and 19 * limitations under the License. 20 * 21 * @APPLE_LICENSE_HEADER_END@ 22 */ 23/* 24 * Copyright (c) 1998-2000 Apple Computer, Inc. All rights reserved. 25 */ 26 27/*! 28 * @header IOAudioLib 29 * C interface to IOAudio functions 30 */ 31 32#ifndef _IOAUDIOLIB_H 33#define _IOAUDIOLIB_H 34 35#include <IOKit/audio/IOAudioTypes.h> 36 37#if 0 38 39#ifdef __cplusplus 40extern "C" { 41#endif 42 43/*! 44 * @function IOAudioIsOutput 45 * @abstract Determines if the audio stream is an output stream 46 * @param service 47 * @param out 48 * @result kern_return_t 49 */ 50kern_return_t IOAudioIsOutput(io_service_t service, int *out); 51 52/*! 53 * @function IOAudioFlush 54 * @abstract Indicate the position at which the audio stream can be stopped. 55 * @param connect the audio stream 56 * @param end the position 57 * @result kern_return_t 58 */ 59kern_return_t IOAudioFlush(io_connect_t connect, IOAudioStreamPosition *end); 60 61/*! 62 * @function IOAudioSetErase 63 * @abstract Set autoerase flag, returns old value 64 * @param connect the audio stream 65 * @param erase true to turn off, false otherwise 66 * @param oldVal previous value 67 * @result kern_return_t 68 */ 69kern_return_t IOAudioSetErase(io_connect_t connect, int erase, int *oldVal); 70 71#ifdef __cplusplus 72} 73#endif 74 75#endif /* 0 */ 76 77#endif /* ! _IOAUDIOLIB_H */ 78