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Annotation of driverkit/libDriver/Kernel/InputStream.h, revision 1.1

1.1     ! root        1: /*
        !             2:  * Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
        !             3:  *
        !             4:  * @APPLE_LICENSE_HEADER_START@
        !             5:  * 
        !             6:  * Portions Copyright (c) 1999 Apple Computer, Inc.  All Rights
        !             7:  * Reserved.  This file contains Original Code and/or Modifications of
        !             8:  * Original Code as defined in and that are subject to the Apple Public
        !             9:  * Source License Version 1.1 (the "License").  You may not use this file
        !            10:  * except in compliance with the License.  Please obtain a copy of the
        !            11:  * License at http://www.apple.com/publicsource and read it before using
        !            12:  * this file.
        !            13:  * 
        !            14:  * The Original Code and all software distributed under the License are
        !            15:  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
        !            16:  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
        !            17:  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
        !            18:  * FITNESS FOR A PARTICULAR PURPOSE OR NON- INFRINGEMENT.  Please see the
        !            19:  * License for the specific language governing rights and limitations
        !            20:  * under the License.
        !            21:  * 
        !            22:  * @APPLE_LICENSE_HEADER_END@
        !            23:  */
        !            24: /*
        !            25:  * InputStream.h
        !            26:  *
        !            27:  * Copyright (c) 1991, NeXT Computer, Inc.  All rights reserved.
        !            28:  *
        !            29:  *      Audio driver input stream object.
        !            30:  *
        !            31:  * HISTORY
        !            32:  *      07/14/92/mtm    Original coding.
        !            33:  */
        !            34: 
        !            35: #import "AudioStream.h"
        !            36: 
        !            37: @interface InputStream: AudioStream
        !            38: {
        !            39:     BOOL wantsRecordedData;
        !            40: }
        !            41: 
        !            42: - (BOOL)recordSize:(u_int)byteCount tag:(int)aTag
        !            43:                           replyTo:(port_t)replyPort
        !            44:                         replyMsgs:(ASMsgRequest)messages;
        !            45: - (u_int)mixRegion:(region_t *)region descriptor:(dma_desc_t *)ddp
        !            46:             buffer:(vm_address_t)data maxCount:(u_int)max
        !            47:             virgin:(BOOL)isVirgin rate:(u_int)srate format:(IOAudioDataFormat)format 
        !            48:            channelCount:(u_int)count;
        !            49: - completeRegion:(region_t *)region descriptor:(dma_desc_t *)ddp
        !            50:             size:(u_int)xfer used:(u_int *)used;
        !            51: - returnRecordedData;
        !            52: - dmaCompleteDescriptor:(dma_desc_t *)ddp transfered:(u_int)count;
        !            53: - freeRegion:(region_t *)region;
        !            54: 
        !            55: @end

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