/* $Id: waveoutbase.h,v 1.3 2002-06-04 17:36:55 sandervl Exp $ */

/*
 * Wave playback class (base)
 *
 * Copyright 1998-2001 Sander van Leeuwen (sandervl@xs4all.nl)
 *
 * Project Odin Software License can be found in LICENSE.TXT
 */

#ifndef __DWAVEOUTBASE_H__
#define __DWAVEOUTBASE_H__

#include "waveinoutbase.h"
#ifdef OS2_ONLY
#include "winmmtype.h"
#endif
#include <vmutex.h>

class WaveOut : public WaveInOut
{
public:
          WaveOut(LPWAVEFORMATEX pwfx, DWORD fdwOpen, ULONG nCallback, ULONG dwInstance);
  virtual ~WaveOut();

  virtual MMRESULT  open() = 0;
  virtual MMRESULT  write(LPWAVEHDR pwh, UINT cbwh) = 0;
  virtual MMRESULT  pause() = 0;
  virtual MMRESULT  stop() = 0;
  virtual MMRESULT  resume() = 0;
  virtual MMRESULT  reset() = 0;
  virtual ULONG     getPosition() = 0;
  virtual MMRESULT  setVolume(ULONG ulVol) = 0;

   static int       getNumDevices();
   static BOOL      queryFormat(ULONG formatTag, ULONG nChannels,
                                ULONG nSamplesPerSec, ULONG sampleSize);
   static void      setDefaultVolume(ULONG volume);
   static DWORD     getDefaultVolume();
          ULONG     getVolume() { return volume; };

protected:
          ULONG     volume;
   static ULONG     defvolume;  // default volume for streams
                                // (if waveOutSetVolume called with NULL stream)
};

#endif