common/JackDummyDriver.h

   1 /*
   2 Copyright (C) 2001 Paul Davis
   3 Copyright (C) 2004-2008 Grame
   4
   5 This program is free software; you can redistribute it and/or modify
   6 it under the terms of the GNU General Public License as published by
   7 the Free Software Foundation; either version 2 of the License, or
   8 (at your option) any later version.
   9
  10 This program is distributed in the hope that it will be useful,
  11 but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 GNU General Public License for more details.
  14
  15 You should have received a copy of the GNU General Public License
  16 along with this program; if not, write to the Free Software
  17 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  18
  19 */
  20
  21 #ifndef __JackDummyDriver__
  22 #define __JackDummyDriver__
  23
  24 #include "JackTimedDriver.h"
  25
  26 namespace Jack
  27 {
  28
  29 /*!
  30 \brief The dummy driver.
  31 */
  32
  33 class JackDummyDriver : public JackTimedDriver
  34 {
  35
  36     public:
  37
  38         JackDummyDriver(const char* name, const char* alias, JackLockedEngine* engine, JackSynchro* table)
  39                 : JackTimedDriver(name, alias, engine, table)
  40         {}
  41         virtual ~JackDummyDriver()
  42         {}
  43
  44         virtual int Process()
  45         {
  46             JackDriver::CycleTakeBeginTime();
  47
  48             if (JackAudioDriver::Process() < 0) {
  49                 return -1;
  50             } else {
  51                 ProcessWait();
  52                 return 0;
  53             }
  54         }
  55
  56 };
  57
  58 } // end of namespace
  59
  60 #endif