| 1 | /* $Id: dwaveout.h,v 1.4 1999-08-24 21:21:11 phaller Exp $ */
|
|---|
| 2 |
|
|---|
| 3 | /*
|
|---|
| 4 | * Wave playback class
|
|---|
| 5 | * Copyright 1998 Sander van Leeuwen (sandervl@xs4all.nl)
|
|---|
| 6 | * Project Odin Software License can be found in LICENSE.TXT
|
|---|
| 7 | */
|
|---|
| 8 | #ifndef __DWAVEOUT_H__
|
|---|
| 9 | #define __DWAVEOUT_H__
|
|---|
| 10 |
|
|---|
| 11 | #define STATE_STOPPED 0
|
|---|
| 12 | #define STATE_PLAYING 1
|
|---|
| 13 | #define STATE_PAUSED 2
|
|---|
| 14 |
|
|---|
| 15 | #define PREFILLBUF_DART 4
|
|---|
| 16 | #define DART_BUFSIZE 4096
|
|---|
| 17 |
|
|---|
| 18 | #ifdef OS2_ONLY
|
|---|
| 19 | #include "winmmtype.h"
|
|---|
| 20 | #endif
|
|---|
| 21 | #include "vmutex.h"
|
|---|
| 22 |
|
|---|
| 23 | #ifdef _OS2WIN_H
|
|---|
| 24 | #define MCI_MIX_BUFFER DWORD
|
|---|
| 25 | #define PMCI_MIX_BUFFER MCI_MIX_BUFFER *
|
|---|
| 26 | #define MCI_MIXSETUP_PARMS DWORD
|
|---|
| 27 | #define MCI_BUFFER_PARMS DWORD
|
|---|
| 28 | #define MCI_PLAY_PARMS DWORD
|
|---|
| 29 | #endif
|
|---|
| 30 |
|
|---|
| 31 | class DartWaveOut
|
|---|
| 32 | {
|
|---|
| 33 | public:
|
|---|
| 34 | DartWaveOut(LPWAVEFORMATEX pwfx, ULONG nCallback, ULONG dwInstance);
|
|---|
| 35 | DartWaveOut(LPWAVEFORMATEX pwfx, HWND hwndCallback);
|
|---|
| 36 | DartWaveOut(LPWAVEFORMATEX pwfx);
|
|---|
| 37 | ~DartWaveOut();
|
|---|
| 38 |
|
|---|
| 39 | MMRESULT getError();
|
|---|
| 40 | MMRESULT write(LPWAVEHDR pwh, UINT cbwh);
|
|---|
| 41 | MMRESULT pause();
|
|---|
| 42 | MMRESULT restart();
|
|---|
| 43 | int getState() { return State; };
|
|---|
| 44 | MMRESULT reset();
|
|---|
| 45 |
|
|---|
| 46 | static BOOL queryFormat(ULONG formatTag, ULONG nChannels,
|
|---|
| 47 | ULONG nSamplesPerSec, ULONG sampleSize);
|
|---|
| 48 |
|
|---|
| 49 | static BOOL find(DartWaveOut *dwave);
|
|---|
| 50 |
|
|---|
| 51 | protected:
|
|---|
| 52 | static void mciError(ULONG ulError);
|
|---|
| 53 | void Init(LPWAVEFORMATEX pwfx);
|
|---|
| 54 | void handler(ULONG ulStatus, PMCI_MIX_BUFFER pBuffer, ULONG ulFlags);
|
|---|
| 55 |
|
|---|
| 56 | private:
|
|---|
| 57 | USHORT DeviceId;
|
|---|
| 58 | ULONG ulBufferCount; /* Current file buffer */
|
|---|
| 59 | ULONG ulBufSize;
|
|---|
| 60 |
|
|---|
| 61 | ULONG ulError, State;
|
|---|
| 62 |
|
|---|
| 63 | MCI_MIX_BUFFER *MixBuffer; /* Device buffers */
|
|---|
| 64 | MCI_MIXSETUP_PARMS *MixSetupParms; /* Mixer parameters */
|
|---|
| 65 | MCI_BUFFER_PARMS *BufferParms; /* Device buffer parms */
|
|---|
| 66 |
|
|---|
| 67 | int SampleRate;
|
|---|
| 68 | int BitsPerSample;
|
|---|
| 69 | int nChannels;
|
|---|
| 70 | int curPlayBuf, curFillBuf;
|
|---|
| 71 | int curFillPos, curPlayPos; //fillpos == pos in os2 mix buffer, bufpos == pos in win buffer
|
|---|
| 72 |
|
|---|
| 73 | // callback interface
|
|---|
| 74 | LPDRVCALLBACK mthdCallback;
|
|---|
| 75 | void callback(HDRVR h, UINT uMessage, DWORD dwUser, DWORD dw1, DWORD dw2);
|
|---|
| 76 |
|
|---|
| 77 | HWND hwndCallback;
|
|---|
| 78 | DWORD dwInstance;
|
|---|
| 79 | WAVEHDR *wavehdr, *curhdr;
|
|---|
| 80 |
|
|---|
| 81 | BOOL fMixerSetup;
|
|---|
| 82 |
|
|---|
| 83 | VMutex *wmutex;
|
|---|
| 84 | // Linked list management
|
|---|
| 85 | DartWaveOut* next; // Next Timer
|
|---|
| 86 | static DartWaveOut* waveout; // List of Timer
|
|---|
| 87 |
|
|---|
| 88 | #ifndef _OS2WIN_H
|
|---|
| 89 | friend LONG APIENTRY WaveOutHandler(ULONG ulStatus, PMCI_MIX_BUFFER pBuffer, ULONG ulFlags);
|
|---|
| 90 | #endif
|
|---|
| 91 | };
|
|---|
| 92 |
|
|---|
| 93 | #endif
|
|---|
