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Annotation of driverkit/libDriver/Kernel/InputStream.h, revision 1.1.1.1

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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