| 1 | /* $Id: dwaveout.h,v 1.7 1999-12-31 13:55:51 sandervl Exp $ */
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| 2 |
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| 3 | /*
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| 4 | * Wave playback class
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| 5 | * Copyright 1998 Sander van Leeuwen (sandervl@xs4all.nl)
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| 6 | * Project Odin Software License can be found in LICENSE.TXT
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| 7 | */
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| 8 | #ifndef __DWAVEOUT_H__
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| 9 | #define __DWAVEOUT_H__
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| 10 |
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| 11 | #define STATE_STOPPED 0
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| 12 | #define STATE_PLAYING 1
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| 13 | #define STATE_PAUSED 2
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| 14 |
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| 15 | #define PREFILLBUF_DART 4
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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
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| 32 | {
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| 33 | public:
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| 34 | DartWaveOut(LPWAVEFORMATEX pwfx, ULONG nCallback, ULONG dwInstance, USHORT usSel);
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| 35 | DartWaveOut(LPWAVEFORMATEX pwfx, HWND hwndCallback);
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| 36 | DartWaveOut(LPWAVEFORMATEX pwfx);
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| 37 | ~DartWaveOut();
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| 38 |
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| 39 | MMRESULT getError();
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| 40 | MMRESULT write(LPWAVEHDR pwh, UINT cbwh);
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| 41 | MMRESULT pause();
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| 42 | MMRESULT restart();
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| 43 | MMRESULT setVolume(ULONG ulVol);
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| 44 | ULONG getVolume() {return volume; };
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| 45 | int getState() { return State; };
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| 46 | MMRESULT reset();
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| 47 |
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| 48 | static BOOL queryFormat(ULONG formatTag, ULONG nChannels,
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| 49 | ULONG nSamplesPerSec, ULONG sampleSize);
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| 50 |
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| 51 | static BOOL find(DartWaveOut *dwave);
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| 52 | static int getNumDevices();
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| 53 |
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| 54 | protected:
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| 55 | static void mciError(ULONG ulError);
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| 56 | void Init(LPWAVEFORMATEX pwfx);
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| 57 | void handler(ULONG ulStatus, PMCI_MIX_BUFFER pBuffer, ULONG ulFlags);
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| 58 |
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| 59 | private:
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| 60 | USHORT DeviceId;
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| 61 | ULONG ulBufferCount; /* Current file buffer */
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| 62 | ULONG ulBufSize;
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| 63 |
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| 64 | ULONG ulError, State;
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| 65 | ULONG volume; // Volume state
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| 66 |
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| 67 | MCI_MIX_BUFFER *MixBuffer; /* Device buffers */
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| 68 | MCI_MIXSETUP_PARMS *MixSetupParms; /* Mixer parameters */
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| 69 | MCI_BUFFER_PARMS *BufferParms; /* Device buffer parms */
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| 70 |
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| 71 | int SampleRate;
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| 72 | int BitsPerSample;
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| 73 | int nChannels;
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| 74 | int curPlayBuf, curFillBuf;
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| 75 | int curFillPos, curPlayPos; //fillpos == pos in os2 mix buffer, bufpos == pos in win buffer
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| 76 |
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| 77 | // callback interface
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| 78 | LPDRVCALLBACK mthdCallback; // pointer to win32 routine for the callback
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| 79 | USHORT selCallback; // the win32 tib selector for the callback (saved at waveOutOpen)
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| 80 | void callback(HDRVR h, UINT uMessage, DWORD dwUser, DWORD dw1, DWORD dw2);
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| 81 | HWND hwndCallback;
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| 82 | DWORD dwInstance;
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| 83 |
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| 84 | WAVEHDR *wavehdr,
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| 85 | *curhdr;
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| 86 |
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| 87 | BOOL fMixerSetup;
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| 88 |
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| 89 | VMutex *wmutex;
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| 90 | // Linked list management
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| 91 | DartWaveOut* next; // Next Timer
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| 92 | static DartWaveOut* waveout; // List of Timer
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| 93 |
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| 94 | #ifndef _OS2WIN_H
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| 95 | friend LONG APIENTRY WaveOutHandler(ULONG ulStatus, PMCI_MIX_BUFFER pBuffer, ULONG ulFlags);
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| 96 | #endif
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| 97 | };
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| 98 |
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| 99 | #endif
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