src/apps/patchbay/CountEventConsumer.h

   1 /* CountEventConsumer.h
   2  * --------------------
   3  * A simple MIDI consumer that counts incoming MIDI events.
   4  *
   5  * Copyright 2013, Haiku, Inc. All rights reserved.
   6  * Distributed under the terms of the MIT License.
   7  *
   8  * Revisions by Pete Goodeve
   9  *
  10  * Copyright 1999, Be Incorporated.   All Rights Reserved.
  11  * This file may be used under the terms of the Be Sample Code License.
  12  */
  13 #ifndef COUNTEVENTCONSUMER_H
  14 #define COUNTEVENTCONSUMER_H
  15
  16 #include <MidiConsumer.h>
  17 #include <SupportDefs.h>
  18
  19 class CountEventConsumer : public BMidiLocalConsumer
  20 {
  21 public:
  22         CountEventConsumer(const char* name)
  23                 :
  24                 BMidiLocalConsumer(name),
  25                 fEventCount(0)
  26         {}
  27         void Reset()
  28         {
  29                 fEventCount = 0;
  30         }
  31         int32 CountEvents()
  32         {
  33                 return fEventCount;
  34         }
  35
  36         void Data(uchar*, size_t, bool, bigtime_t)
  37         {
  38                 atomic_add(&fEventCount, 1);
  39         }
  40
  41 private:
  42         int32 fEventCount;
  43 };
  44
  45 #endif /* COUNTEVENTCONSUMER_H */