| 1 | /* $Id: waveoutbase.h,v 1.3 2002-06-04 17:36:55 sandervl Exp $ */ | 
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| 2 |  | 
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| 3 | /* | 
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| 4 | * Wave playback class (base) | 
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| 5 | * | 
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| 6 | * Copyright 1998-2001 Sander van Leeuwen (sandervl@xs4all.nl) | 
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| 7 | * | 
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| 8 | * Project Odin Software License can be found in LICENSE.TXT | 
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| 9 | */ | 
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| 10 |  | 
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| 11 | #ifndef __DWAVEOUTBASE_H__ | 
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| 12 | #define __DWAVEOUTBASE_H__ | 
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| 13 |  | 
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| 14 | #include "waveinoutbase.h" | 
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| 15 | #ifdef OS2_ONLY | 
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| 16 | #include "winmmtype.h" | 
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| 17 | #endif | 
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| 18 | #include <vmutex.h> | 
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| 19 |  | 
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| 20 | class WaveOut : public WaveInOut | 
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| 21 | { | 
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| 22 | public: | 
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| 23 | WaveOut(LPWAVEFORMATEX pwfx, DWORD fdwOpen, ULONG nCallback, ULONG dwInstance); | 
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| 24 | virtual ~WaveOut(); | 
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| 25 |  | 
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| 26 | virtual MMRESULT  open() = 0; | 
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| 27 | virtual MMRESULT  write(LPWAVEHDR pwh, UINT cbwh) = 0; | 
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| 28 | virtual MMRESULT  pause() = 0; | 
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| 29 | virtual MMRESULT  stop() = 0; | 
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| 30 | virtual MMRESULT  resume() = 0; | 
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| 31 | virtual MMRESULT  reset() = 0; | 
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| 32 | virtual ULONG     getPosition() = 0; | 
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| 33 | virtual MMRESULT  setVolume(ULONG ulVol) = 0; | 
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| 34 |  | 
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| 35 | static int       getNumDevices(); | 
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| 36 | static BOOL      queryFormat(ULONG formatTag, ULONG nChannels, | 
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| 37 | ULONG nSamplesPerSec, ULONG sampleSize); | 
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| 38 | static void      setDefaultVolume(ULONG volume); | 
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| 39 | static DWORD     getDefaultVolume(); | 
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| 40 | ULONG     getVolume() { return volume; }; | 
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| 41 |  | 
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| 42 | protected: | 
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| 43 | ULONG     volume; | 
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| 44 | static ULONG     defvolume;  // default volume for streams | 
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| 45 | // (if waveOutSetVolume called with NULL stream) | 
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| 46 | }; | 
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| 47 |  | 
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| 48 | #endif | 
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