| 1 | /* $Id: waveoutdart.h,v 1.4 2003-04-03 14:04:50 sandervl Exp $ */
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| 2 |
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| 3 | /*
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| 4 | * Wave playback class (DART)
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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 __DWAVEOUT_H__
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| 12 | #define __DWAVEOUT_H__
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| 13 |
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| 14 | #include "waveoutbase.h"
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| 15 |
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| 16 | #ifdef OS2_ONLY
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| 17 | #include "winmmtype.h"
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| 18 | #endif
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| 19 | #include "vmutex.h"
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| 20 |
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| 21 | #ifdef _OS2WIN_H
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| 22 | #define MCI_MIX_BUFFER DWORD
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| 23 | #define PMCI_MIX_BUFFER MCI_MIX_BUFFER *
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| 24 | #define MCI_MIXSETUP_PARMS DWORD
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| 25 | #define MCI_BUFFER_PARMS DWORD
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| 26 | #define MCI_PLAY_PARMS DWORD
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| 27 | #endif
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| 28 |
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| 29 | // this should be defined in some #included .h file, but it isn't
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| 30 | typedef LONG (APIENTRY MIXERPROC)(ULONG ulHandle, PMCI_MIX_BUFFER pBuffer, ULONG ulFlags);
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| 31 |
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| 32 | class DartWaveOut : public WaveOut
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| 33 | {
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| 34 | public:
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| 35 | DartWaveOut(LPWAVEFORMATEX pwfx, DWORD fdwOpen,
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| 36 | ULONG nCallback, ULONG dwInstance);
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| 37 | virtual ~DartWaveOut();
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| 38 |
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| 39 | virtual MMRESULT open();
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| 40 | virtual MMRESULT write(LPWAVEHDR pwh, UINT cbwh);
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| 41 | virtual MMRESULT pause();
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| 42 | virtual MMRESULT stop();
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| 43 | virtual MMRESULT resume();
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| 44 | virtual MMRESULT setVolume(ULONG ulVol);
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| 45 | virtual MMRESULT reset();
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| 46 | virtual ULONG getPosition();
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| 47 |
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| 48 | protected:
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| 49 | MMRESULT initBuffers();
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| 50 | void writeBuffer();
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| 51 | static void mciError(ULONG rc);
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| 52 | void handler(ULONG ulStatus, PMCI_MIX_BUFFER pBuffer, ULONG ulFlags);
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| 53 |
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| 54 | private:
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| 55 | USHORT DeviceId;
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| 56 | BOOL fMixerSetup;
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| 57 | BOOL fUnderrun;
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| 58 | int curFillBuf;
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| 59 | int curPlayBuf;
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| 60 | ULONG curFillPos;
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| 61 | ULONG curPlayPos;
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| 62 | ULONG ulBufSize;
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| 63 | ULONG ulBufCount;
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| 64 | ULONG bytesPlayed;
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| 65 | ULONG bytesCopied;
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| 66 | ULONG bytesReturned;
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| 67 | ULONG ulUnderrunBase;
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| 68 | ULONG mixHandle;
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| 69 | WAVEHDR * curhdr;
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| 70 | MIXERPROC * pmixWriteProc;
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| 71 | MCI_MIX_BUFFER * MixBuffer;
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| 72 | MCI_BUFFER_PARMS * BufferParms;
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| 73 |
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| 74 | friend LONG APIENTRY WaveOutHandler(ULONG ulStatus, PMCI_MIX_BUFFER pBuffer,
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| 75 | ULONG ulFlags);
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| 76 | };
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| 77 |
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| 78 | #endif
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