source: trunk/src/dsound/DAudioBuffer.h

Last change on this file was 5643, checked in by sandervl, 25 years ago

DirectAudio interface updates
File size: 5.0 KB
Line 
1/* $Id: DAudioBuffer.h,v 1.2 2001-04-30 21:06:37 sandervl Exp $ */
2
3/*
4 * DirectSound SoundBuffer class (DAudio)
5 *
6 * Copyright 1998-2001 Sander van Leeuwen (sandervl@xs4all.nl)
7 *
8 * Project Odin Software License can be found in LICENSE.TXT
9 *
10 */
11#ifndef __DAUDIOBUFFER_H__
12#define __DAUDIOBUFFER_H__
13
14#include "os2sndbuffer.h"
15#include <vmutex.h>
16#include "waveoutdaud.h"
17
18#undef THIS
19#define THIS VOID*This
20
21#undef THIS_
22#define THIS_ VOID*This,
23
24// a forward declaration of some classes is needed here!
25class IDirectAudioNotify;
26class OS2IDirectSound3DBuffer;
27class OS2IDirectSound;
28
29class IDirectAudioBuffer
30{
31 public:
32 //this one has to go first!
33 IDirectSoundBufferVtbl *lpVtbl;
34 IDirectSoundBufferVtbl Vtbl;
35
36 IDirectAudioBuffer(OS2IDirectSound *DSound, const DSBUFFERDESC *lpDSBufferDesc);
37 IDirectAudioBuffer(OS2IDirectSound *DSound, IDirectAudioBuffer *srcBuf);
38 IDirectAudioBuffer() {};
39 ~IDirectAudioBuffer();
40
41 static void DestroyAllBuffers(); // called when DSound is closed
42
43 int Referenced;
44 inline HRESULT GetLastError() { return lastError; };
45 inline void SetNotify(IDirectAudioNotify *_notify) {
46 notify = _notify; };
47 inline void Set3DBuffer(OS2IDirectSound3DBuffer *_buffer3D) {
48 buffer3D = _buffer3D; };
49
50 HRESULT QueryInterface(REFIID riid, LPVOID * ppvObj);
51 ULONG AddRef();
52 ULONG Release();
53 HRESULT GetCaps(LPDSBCAPS );
54 HRESULT GetCurrentPosition(LPDWORD,LPDWORD ) ;
55 HRESULT GetFormat(LPWAVEFORMATEX, DWORD, LPDWORD ) ;
56 HRESULT GetVolume(LPLONG ) ;
57 HRESULT GetPan(LPLONG ) ;
58 HRESULT GetFrequency(LPDWORD ) ;
59 HRESULT GetStatus(LPDWORD ) ;
60 HRESULT Initialize(LPDIRECTSOUND, LPDSBUFFERDESC ) ;
61 HRESULT Lock(DWORD,DWORD,LPVOID,LPDWORD,LPVOID,LPDWORD,DWORD ) ;
62 HRESULT Play(DWORD,DWORD,DWORD ) ;
63 HRESULT SetCurrentPosition(DWORD ) ;
64 HRESULT SetFormat(LPWAVEFORMATEX ) ;
65 HRESULT SetVolume(LONG ) ;
66 HRESULT SetPan(LONG ) ;
67 HRESULT SetFrequency( DWORD ) ;
68 HRESULT Stop() ;
69 HRESULT Unlock( LPVOID,DWORD,LPVOID,DWORD ) ;
70 HRESULT Restore() ;
71
72 private:
73 void initVtbl();
74
75 protected:
76 HRESULT lastError;
77
78 ULONG writepos, playpos; // DSound write and play cursors
79 ULONG frequency; // DSB frequency - may differ from source sample
80 WAVEFORMATEX *lpfxFormat; // source sample format
81 ULONG status; // DSB status - playing, looping etc.
82 BOOL fLocked; // is buffer currently locked?
83 BOOL fPrimary; // is this a primary buffer?
84 LONG DSvolume; // DSB volume (in dB)
85 LONG volume; // volume (linear)
86 LONG DSpan; // DSB pan (in dB)
87 LONG pan; // pan (linear)
88 BOOL fPlaying,fLoop; // is buffer playing/looping?
89 DSBUFFERDESC bufferdesc; // DSB description
90 LONG frac; // saved mixer position overflow
91
92 SOUNDBUF *lpSndBuffer; // sound data + reference count
93 char *lpBuffer; // actual sound data
94
95 IDirectAudioNotify* notify; // pointer to the associated Notify object (if exists)
96 OS2IDirectSound3DBuffer* buffer3D; // pointer to the associated 3DBuffer object (if exists)
97 OS2IDirectSound* parentDS;
98
99 DAudioWaveOut *daudio;
100
101 VMutex wmutex;
102
103 // Linked list management
104 IDirectAudioBuffer* next; // Next OS2IDirectSoundBuffer
105 static IDirectAudioBuffer* dsbroot; // List of OS2IDirectSoundBuffers
106 static IDirectAudioBuffer* primary; // The primary SoundBuffer
107};
108//******************************************************************************
109//******************************************************************************
110HRESULT WINAPI DAudioBufQueryInterface(THIS, REFIID riid, LPVOID * ppvObj);
111ULONG WINAPI DAudioBufAddRef(THIS);
112ULONG WINAPI DAudioBufRelease(THIS);
113HRESULT WINAPI DAudioBufGetCaps(THIS_ LPDSBCAPS );
114HRESULT WINAPI DAudioBufGetCurrentPosition(THIS_ LPDWORD,LPDWORD ) ;
115HRESULT WINAPI DAudioBufGetFormat(THIS_ LPWAVEFORMATEX, DWORD, LPDWORD ) ;
116HRESULT WINAPI DAudioBufGetVolume(THIS_ LPLONG ) ;
117HRESULT WINAPI DAudioBufGetPan(THIS_ LPLONG ) ;
118HRESULT WINAPI DAudioBufGetFrequency(THIS_ LPDWORD ) ;
119HRESULT WINAPI DAudioBufGetStatus(THIS_ LPDWORD ) ;
120HRESULT WINAPI DAudioBufInitialize(THIS_ LPDIRECTSOUND, LPDSBUFFERDESC ) ;
121HRESULT WINAPI DAudioBufLock(THIS_ DWORD,DWORD,LPVOID,LPDWORD,LPVOID,LPDWORD,DWORD ) ;
122HRESULT WINAPI DAudioBufPlay(THIS_ DWORD,DWORD,DWORD ) ;
123HRESULT WINAPI DAudioBufSetCurrentPosition(THIS_ DWORD ) ;
124HRESULT WINAPI DAudioBufSetFormat(THIS_ LPWAVEFORMATEX ) ;
125HRESULT WINAPI DAudioBufSetVolume(THIS_ LONG ) ;
126HRESULT WINAPI DAudioBufSetPan(THIS_ LONG ) ;
127HRESULT WINAPI DAudioBufSetFrequency(THIS_ DWORD ) ;
128HRESULT WINAPI DAudioBufStop(THIS ) ;
129HRESULT WINAPI DAudioBufUnlock(THIS_ LPVOID,DWORD,LPVOID,DWORD ) ;
130HRESULT WINAPI DAudioBufRestore(THIS ) ;
131
132#endif
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