usr/src/cmd/audio/utilities/AudioCopy.cc

   1 /*
   2  * CDDL HEADER START
   3  *
   4  * The contents of this file are subject to the terms of the
   5  * Common Development and Distribution License, Version 1.0 only
   6  * (the "License").  You may not use this file except in compliance
   7  * with the License.
   8  *
   9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
  10  * or http://www.opensolaris.org/os/licensing.
  11  * See the License for the specific language governing permissions
  12  * and limitations under the License.
  13  *
  14  * When distributing Covered Code, include this CDDL HEADER in each
  15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  16  * If applicable, add the following below this CDDL HEADER, with the
  17  * fields enclosed by brackets "[]" replaced with your own identifying
  18  * information: Portions Copyright [yyyy] [name of copyright owner]
  19  *
  20  * CDDL HEADER END
  21  */
  22 /*
  23  * Copyright (c) 1990-2001 by Sun Microsystems, Inc.
  24  * All rights reserved.
  25  */
  26
  27 #pragma ident   "%Z%%M% %I%     %E% SMI"
  28
  29 #include <stdlib.h>
  30 #include <errno.h>
  31 #include <Audio.h>
  32 #include <AudioBuffer.h>
  33 #include <AudioLib.h>
  34
  35 // Generic Audio functions
  36
  37
  38 // Data format translation occurs transparently
  39 AudioError
  40 AudioCopy(
  41         Audio*          from,           // input source
  42         Audio*          to)             // output sink
  43 {
  44         Double          frompos = 0.;
  45         Double          topos   = 0.;
  46         Double          limit   = AUDIO_UNKNOWN_TIME;
  47
  48         return (AudioCopy(from, to, frompos, topos, limit));
  49 }
  50
  51 // Copy a data stream
  52 // Data format translation occurs transparently
  53 AudioError
  54 AudioCopy(
  55         Audio*          from,           // input source
  56         Audio*          to,             // output sink
  57         Double&         frompos,        // input position (updated)
  58         Double&         topos,          // output position (updated)
  59         Double&         limit)          // amount to copy (updated)
  60 {
  61         return (from->Copy(to, frompos, topos, limit));
  62 }
  63
  64 // Copy one segment of a data stream
  65 // Data format translation occurs transparently
  66 AudioError
  67 AudioAsyncCopy(
  68         Audio*          from,           // input source
  69         Audio*          to,             // output sink
  70         Double&         frompos,        // input position (updated)
  71         Double&         topos,          // output position (updated)
  72         Double&         limit)          // amount to copy (updated)
  73 {
  74         return (from->AsyncCopy(to, frompos, topos, limit));
  75 }