/* * Copyright (c) 2000 Apple Computer, Inc. All rights reserved. * * @APPLE_LICENSE_HEADER_START@ * * 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) 1999 Apple Computer, Inc. All rights reserved. * * HISTORY * */ #if 0 #include <CoreFoundation/CoreFoundation.h> #include <IOKit/IOKitLib.h> #include <IOKit/audio/IOAudioLib.h> /* --------------------------------------------------------- */ kern_return_t IOAudioIsOutput( io_service_t service, int *out) { kern_return_t kr; CFDictionaryRef properties; CFNumberRef number; *out = false; kr = IORegistryEntryCreateCFProperties(service, (CFTypeRef *) &properties, kCFAllocatorDefault, kNilOptions); if(kr || !properties) return kr; number = (CFNumberRef) CFDictionaryGetValue(properties, CFSTR("Out")); if( CFNumberGetTypeID() == CFGetTypeID(number)) CFNumberGetValue(number, kCFNumberIntType, out); else kr = kIOReturnInternalError; CFRelease(properties); return kr; } // Tell driver when last sample will have been played, so sound hardware // can be stopped. kern_return_t IOAudioFlush(io_connect_t connect, IOAudioStreamPosition *end) { mach_msg_type_number_t len = 0; return io_connect_method_structureI_structureO(connect, kCallFlush, (char *)end, sizeof(IOAudioStreamPosition), NULL, &len); } // Set autoerase flag, returns old value kern_return_t IOAudioSetErase(io_connect_t connect, int erase, int *oldVal) { kern_return_t kr; mach_msg_type_number_t len = 1; int old; kr = io_connect_method_scalarI_scalarO(connect, kCallSetErase, &erase, 1, &old, &len); if(kr == kIOReturnSuccess) *oldVal = !old; return kr; } #endif /* 0 */