exile/v1/src/util_buffers.h

   1 /*----------------------------------------------------------------------------
   2     ChucK Concurrent, On-the-fly Audio Programming Language
   3       Compiler and Virtual Machine
   4
   5     Copyright (c) 2004 Ge Wang and Perry R. Cook.  All rights reserved.
   6       http://chuck.cs.princeton.edu/
   7       http://soundlab.cs.princeton.edu/
   8
   9     This program is free software; you can redistribute it and/or modify
  10     it under the terms of the GNU General Public License as published by
  11     the Free Software Foundation; either version 2 of the License, or
  12     (at your option) any later version.
  13
  14     This program is distributed in the hope that it will be useful,
  15     but WITHOUT ANY WARRANTY; without even the implied warranty of
  16     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17     GNU General Public License for more details.
  18
  19     You should have received a copy of the GNU General Public License
  20     along with this program; if not, write to the Free Software
  21     Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
  22     U.S.A.
  23 -----------------------------------------------------------------------------*/
  24
  25 //-----------------------------------------------------------------------------
  26 // file: util_buffers.h
  27 // desc: buffer
  28 //
  29 // author: Ge Wang (gewang@cs.princeton.edu)
  30 //         Perry R. Cook (prc@cs.princeton.edu)
  31 //-----------------------------------------------------------------------------
  32 #ifndef __UTIL_BUFFERS_H__
  33 #define __UTIL_BUFFERS_H__
  34
  35
  36 #define DWORD__                unsigned long
  37 #define SINT__                 long
  38 #define UINT__                 DWORD__
  39 #define BOOL__                 DWORD__
  40 #define FLOAT__                float
  41 #define BYTE__                 unsigned char
  42
  43 #ifndef TRUE
  44 #define TRUE    1
  45 #define FALSE   0
  46 #endif
  47
  48
  49 //-----------------------------------------------------------------------------
  50 // name: class CBuffer
  51 // desc: circular buffer
  52 //-----------------------------------------------------------------------------
  53 class CBuffer
  54 {
  55 public:
  56     CBuffer();
  57     ~CBuffer();
  58
  59 public:
  60     BOOL__ initialize( UINT__ num_elem, UINT__ width );
  61     void cleanup();
  62
  63 public:
  64     UINT__ get( void * data, UINT__ num_elem );
  65     void put( void * data, UINT__ num_elem );
  66
  67 protected:
  68     BYTE__ * m_data;
  69     UINT__   m_data_width;
  70     UINT__   m_read_offset;
  71     UINT__   m_write_offset;
  72     UINT__   m_max_elem;
  73 };
  74
  75
  76
  77
  78 #endif