| 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 | #ifndef __DWAVEOUT_H__
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| 11 | #define __DWAVEOUT_H__
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| 12 |
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| 13 | #include "waveoutbase.h"
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| 14 |
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| 15 | #define PREFILLBUF_DART 8
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| 16 | #define DART_BUFSIZE 4096
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| 17 |
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| 18 | #ifdef OS2_ONLY
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| 19 | #include "winmmtype.h"
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| 20 | #endif
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| 21 | #include "vmutex.h"
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| 22 |
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| 23 | #ifdef _OS2WIN_H
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| 24 | #define MCI_MIX_BUFFER DWORD
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| 25 | #define PMCI_MIX_BUFFER MCI_MIX_BUFFER *
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| 26 | #define MCI_MIXSETUP_PARMS DWORD
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| 27 | #define MCI_BUFFER_PARMS DWORD
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| 28 | #define MCI_PLAY_PARMS DWORD
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| 29 | #endif
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| 30 |
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| 31 | class DartWaveOut : public WaveOut
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| 32 | {
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| 33 | public:
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| 34 | DartWaveOut(LPWAVEFORMATEX pwfx, DWORD fdwOpen, ULONG nCallback, ULONG dwInstance);
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| 35 | virtual ~DartWaveOut();
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| 36 |
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| 37 | virtual MMRESULT write(LPWAVEHDR pwh, UINT cbwh);
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| 38 | virtual MMRESULT pause();
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| 39 | virtual MMRESULT stop();
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| 40 | virtual MMRESULT resume();
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| 41 | virtual MMRESULT setVolume(ULONG ulVol);
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| 42 | virtual MMRESULT reset();
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| 43 | virtual ULONG getPosition();
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| 44 |
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| 45 | static BOOL queryFormat(ULONG formatTag, ULONG nChannels,
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| 46 | ULONG nSamplesPerSec, ULONG sampleSize);
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| 47 |
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| 48 | protected:
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| 49 | static void mciError(ULONG ulError);
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| 50 | void Init(LPWAVEFORMATEX pwfx);
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| 51 | void handler(ULONG ulStatus, PMCI_MIX_BUFFER pBuffer, ULONG ulFlags);
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| 52 |
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| 53 | private:
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| 54 | void writeBuffer();
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| 55 |
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| 56 | USHORT DeviceId;
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| 57 | ULONG ulBufferCount; /* Current file buffer */
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| 58 | ULONG ulBufSize;
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| 59 |
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| 60 | MCI_MIX_BUFFER *MixBuffer; /* Device buffers */
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| 61 | MCI_MIXSETUP_PARMS *MixSetupParms; /* Mixer parameters */
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| 62 | MCI_BUFFER_PARMS *BufferParms; /* Device buffer parms */
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| 63 |
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| 64 | int curPlayBuf, curFillBuf;
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| 65 | ULONG curFillPos, curPlayPos; //fillpos == pos in os2 mix buffer, bufpos == pos in win buffer
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| 66 |
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| 67 | BOOL fMixerSetup;
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| 68 | BOOL fUnderrun;
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| 69 | ULONG ulUnderrunBase;
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| 70 |
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| 71 | #ifndef _OS2WIN_H
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| 72 | friend LONG APIENTRY WaveOutHandler(ULONG ulStatus, PMCI_MIX_BUFFER pBuffer, ULONG ulFlags);
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| 73 | #endif
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| 74 | };
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| 75 |
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| 76 | #endif
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