source: trunk/src/dsound/OS2SNDBUFFER.CPP@ 1036

Last change on this file since 1036 was 97, checked in by phaller, 26 years ago

Add: added cvs variable $Id$ to source files.
File size: 15.0 KB
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1/* $Id: OS2SNDBUFFER.CPP,v 1.3 1999-06-10 17:09:30 phaller Exp $ */
2
3/*
4 * DirectSound SoundBuffer class
5 *
6 * Copyright 1998 Sander van Leeuwen (sandervl@xs4all.nl)
7 *
8 * Project Odin Software License can be found in LICENSE.TXT
9 *
10 */
11
12
13/*@Const************************************************************************
14* Defined Constants *
15*******************************************************************************/
16#define INCL_DOSMEMMGR
17#define INCL_DIRECTSOUNDBUFFER_GUID
18#define WIN32SDK_NOPOSTWRAPPER
19
20/*@Header***********************************************************************
21* Header Files *
22*******************************************************************************/
23#include <os2.h>
24#include <stdlib.h>
25#include <string.h>
26
27#include "no.h" /* NO* defines for windows.h */
28#include <w_windows.h>
29#include <dsound.h>
30#include <Win32SDKPostWrapper.h>
31
32#include "os2dsound.h"
33#include "os2sndbuffer.h"
34#include "misc.h"
35
36
37/* KSO Apr 19 1999: Set correct interface. *
38 * (INTERFACE is used in the THIS and THIS_ macros) */
39#undef INTERFACE
40#define INTERFACE IDirectSoundBuffer
41
42
43
44//******************************************************************************
45//******************************************************************************
46OS2IDirectSoundBuffer::OS2IDirectSoundBuffer(const DSBUFFERDESC *lpDSBufferDesc) //KSO Apr 13 1999: const, SDK changes
47 : Referenced(0), lastError(DS_OK)
48{
49 APIRET rc;
50
51 lpVtbl = &Vtbl;
52 Vtbl.AddRef = SoundBufAddRef;
53 Vtbl.Release = SoundBufRelease;
54 Vtbl.QueryInterface = SoundBufQueryInterface;
55 Vtbl.GetCaps = SoundBufGetCaps;
56 Vtbl.GetFormat = SoundBufGetFormat;
57 Vtbl.GetVolume = SoundBufGetVolume;
58 Vtbl.GetStatus = SoundBufGetStatus;
59 Vtbl.GetCurrentPosition = SoundBufGetCurrentPosition;
60 Vtbl.GetPan = SoundBufGetPan;
61 Vtbl.Initialize = SoundBufInitialize;
62 Vtbl.Restore = SoundBufRestore;
63 Vtbl.SetFormat = SoundBufSetFormat;
64 Vtbl.SetVolume = SoundBufSetVolume;
65 Vtbl.SetCurrentPosition = SoundBufSetCurrentPosition;
66 Vtbl.SetPan = SoundBufSetPan;
67 Vtbl.Lock = SoundBufLock;
68 Vtbl.Unlock = SoundBufUnlock;
69 Vtbl.Stop = SoundBufStop;
70 Vtbl.Play = SoundBufPlay;
71
72 pan = 0;
73 writepos = 0;
74 playpos = 0;
75 frequency = 22050;
76 status = 0;;
77 fLocked = FALSE;
78 volume = 0;
79 lpfxFormat= NULL;
80 lpBuffer = NULL;
81
82 memcpy(&bufferdesc, lpDSBufferDesc, sizeof(DSBUFFERDESC));
83 if(!(bufferdesc.dwFlags & DSBCAPS_PRIMARYBUFFER)) {
84 if(bufferdesc.lpwfxFormat == NULL || bufferdesc.dwBufferBytes == 0) {
85 dprintf(("bufferdesc not valid!"));
86 lastError = DSERR_INVALIDPARAM;
87 return;
88 }
89 lpfxFormat = (WAVEFORMATEX *)malloc(bufferdesc.lpwfxFormat->cbSize + sizeof(WAVEFORMATEX));
90 memcpy(lpfxFormat, bufferdesc.lpwfxFormat, bufferdesc.lpwfxFormat->cbSize + sizeof(WAVEFORMATEX));
91
92 rc = DosAllocMem((PPVOID)&lpBuffer, bufferdesc.dwBufferBytes, PAG_READ|PAG_WRITE|PAG_COMMIT);
93 if(rc) {
94 dprintf(("DosAllocMem returned %d", rc));
95 lpBuffer = NULL;
96 lastError = DSERR_OUTOFMEMORY;
97 return;
98 }
99 }
100 else {//todo: primary buffer
101 }
102}
103//******************************************************************************
104//******************************************************************************
105OS2IDirectSoundBuffer::~OS2IDirectSoundBuffer()
106{
107 if(lpBuffer)
108 DosFreeMem(lpBuffer);
109 if(lpfxFormat)
110 free(lpfxFormat);
111
112}
113//******************************************************************************
114//******************************************************************************
115HRESULT WIN32API SoundBufQueryInterface(THIS, REFIID riid, LPVOID FAR * ppvObj)
116{
117 dprintf(("OS2IDirectSoundBuffer::QueryInterface\n"));
118 if(This == NULL) {
119 return DSERR_INVALIDPARAM;
120 }
121 *ppvObj = NULL;
122
123 if(!IsEqualGUID(riid, IID_IDirectSoundBuffer))
124 return E_NOINTERFACE;
125
126 *ppvObj = This;
127
128 SoundBufAddRef(This);
129 return(DS_OK);
130}
131//******************************************************************************
132//******************************************************************************
133ULONG WIN32API SoundBufAddRef(THIS)
134{
135 OS2IDirectSoundBuffer *me = (OS2IDirectSoundBuffer *)This;
136
137 dprintf(("OS2IDirectSoundBuffer::AddRef %d\n", me->Referenced+1));
138 if(me == NULL) {
139 return 0;
140 }
141 return ++me->Referenced;
142}
143//******************************************************************************
144//******************************************************************************
145ULONG WIN32API SoundBufRelease(THIS)
146{
147 OS2IDirectSoundBuffer *me = (OS2IDirectSoundBuffer *)This;
148
149 dprintf((" OS2IDirectSoundBuffer::Release %d\n", me->Referenced-1));
150 if(me == NULL) {
151 return 0;
152 }
153 if(me->Referenced) {
154 me->Referenced--;
155 if(me->Referenced == 0) {
156 delete me;
157 return(0);
158 }
159 else return me->Referenced;
160 }
161 else return(0);
162}
163//******************************************************************************
164//******************************************************************************
165HRESULT __stdcall SoundBufGetCaps(THIS_ LPDSBCAPS lpDSCaps)
166{
167 OS2IDirectSoundBuffer *me = (OS2IDirectSoundBuffer *)This;
168
169 dprintf(("SoundBufGetCaps"));
170 if(me == NULL || lpDSCaps == NULL) {
171 return DSERR_INVALIDPARAM;
172 }
173 return DS_OK;
174}
175//******************************************************************************
176//******************************************************************************
177HRESULT __stdcall SoundBufGetCurrentPosition(THIS_ LPDWORD lpdwCurrentPlayCursor,
178 LPDWORD lpdwCurrentWriteCursor)
179{
180 OS2IDirectSoundBuffer *me = (OS2IDirectSoundBuffer *)This;
181
182 dprintf(("SoundBufGetCurrentPosition"));
183 if(me == NULL || lpdwCurrentPlayCursor == NULL || lpdwCurrentWriteCursor == NULL) {
184 return DSERR_INVALIDPARAM;
185 }
186 *lpdwCurrentPlayCursor = me->playpos;
187 *lpdwCurrentWriteCursor = me->writepos;
188 return DS_OK;
189}
190//******************************************************************************
191//******************************************************************************
192HRESULT __stdcall SoundBufGetFormat(THIS_ LPWAVEFORMATEX lpwfxFormat,
193 DWORD ddwSizeAllocated, LPDWORD lpdwSizeWritten)
194{
195 OS2IDirectSoundBuffer *me = (OS2IDirectSoundBuffer *)This;
196 int copysize;
197
198 dprintf(("SoundBufGetFormat"));
199 if(me == NULL || lpwfxFormat == NULL || ddwSizeAllocated == 0) {
200 return DSERR_INVALIDPARAM;
201 }
202 copysize = min(ddwSizeAllocated, (me->lpfxFormat->cbSize + sizeof(WAVEFORMATEX)));
203 memcpy(lpwfxFormat, me->lpfxFormat, copysize);
204
205 if(lpdwSizeWritten) {
206 *lpdwSizeWritten = copysize;
207 }
208 return DS_OK;
209}
210//******************************************************************************
211//******************************************************************************
212HRESULT __stdcall SoundBufGetVolume(THIS_ LPLONG lplVolume)
213{
214 OS2IDirectSoundBuffer *me = (OS2IDirectSoundBuffer *)This;
215
216 dprintf(("SoundBufGetVolume"));
217 if(me == NULL || lplVolume == NULL) {
218 return DSERR_INVALIDPARAM;
219 }
220 *lplVolume = me->volume;
221 return DS_OK;
222}
223//******************************************************************************
224//******************************************************************************
225HRESULT __stdcall SoundBufGetPan(THIS_ LPLONG lplPan)
226{
227 OS2IDirectSoundBuffer *me = (OS2IDirectSoundBuffer *)This;
228
229 dprintf(("SoundBufGetPan"));
230 if(me == NULL || lplPan == NULL) {
231 return DSERR_INVALIDPARAM;
232 }
233 *lplPan = me->pan;
234 return DS_OK;
235}
236//******************************************************************************
237//******************************************************************************
238HRESULT __stdcall SoundBufGetFrequency(THIS_ LPDWORD lpdwFrequency)
239{
240 OS2IDirectSoundBuffer *me = (OS2IDirectSoundBuffer *)This;
241
242 dprintf(("SoundBufGetFrequency"));
243 if(me == NULL || lpdwFrequency == NULL) {
244 return DSERR_INVALIDPARAM;
245 }
246 *lpdwFrequency = me->frequency;
247 return DS_OK;
248}
249//******************************************************************************
250//******************************************************************************
251HRESULT __stdcall SoundBufGetStatus(THIS_ LPDWORD lpdwStatus)
252{
253 OS2IDirectSoundBuffer *me = (OS2IDirectSoundBuffer *)This;
254
255 dprintf(("SoundBufGetStatus"));
256 if(me == NULL || lpdwStatus == NULL) {
257 return DSERR_INVALIDPARAM;
258 }
259 *lpdwStatus = me->status;
260 return DS_OK;
261}
262//******************************************************************************
263//******************************************************************************
264#if 0 //KSO Apr 19 1999: some parameter incompabilities between newer and older SDKs.
265HRESULT __stdcall SoundBufInitialize(THIS_ LPDIRECTSOUND, LPDSBUFFERDESC )
266#else
267HRESULT __stdcall SoundBufInitialize(THIS_ LPDIRECTSOUND, LPCDSBUFFERDESC )
268#endif
269{
270 OS2IDirectSoundBuffer *me = (OS2IDirectSoundBuffer *)This;
271
272 dprintf(("SoundBufInitialize"));
273 if(me == NULL) {
274 return DSERR_INVALIDPARAM;
275 }
276 return DSERR_ALREADYINITIALIZED; //todo: for future extensions (dx5/6 ??)
277}
278//******************************************************************************
279//******************************************************************************
280#if 0 //KSO Apr 19 1999: some parameter incompabilities between newer and older SDKs.
281HRESULT __stdcall SoundBufLock(THIS_ DWORD dwWriteCursor, DWORD dwWriteBytes,
282 LPVOID lplpvAudioPtr1, LPDWORD lpdwAudioBytes1,
283 LPVOID lplpvAudioPtr2, LPDWORD lpdwAudioBytes2,
284 DWORD dwFlags)
285#else
286HRESULT __stdcall SoundBufLock(THIS_ DWORD dwWriteCursor, DWORD dwWriteBytes,
287 LPVOID *lplpvAudioPtr1, LPDWORD lpdwAudioBytes1,
288 LPVOID *lplpvAudioPtr2, LPDWORD lpdwAudioBytes2,
289 DWORD dwFlags)
290#endif
291{
292 OS2IDirectSoundBuffer *me = (OS2IDirectSoundBuffer *)This;
293
294 dprintf(("SoundBufLock"));
295 if(me == NULL || !lplpvAudioPtr1 || !lpdwAudioBytes1) {
296 return(DSERR_INVALIDPARAM);
297 }
298 //not sure if this is an error, but it's certainly a smart thing to do (cond. == true)
299 if(dwWriteBytes > me->bufferdesc.dwBufferBytes) {
300 dprintf(("SoundBufLock: dwWriteBytes > me->bufferdesc.dwBufferBytes"));
301 return(DSERR_INVALIDPARAM);
302 }
303 if(dwFlags & DSBLOCK_FROMWRITECURSOR) {
304 dwWriteCursor = me->writepos;
305 }
306 if(dwWriteCursor + dwWriteBytes > me->bufferdesc.dwBufferBytes ) {
307 *(DWORD *)lplpvAudioPtr1 = (DWORD)(me->lpBuffer + dwWriteCursor);
308 *lpdwAudioBytes1 = me->bufferdesc.dwBufferBytes - dwWriteCursor;
309 if(lplpvAudioPtr2 && lpdwAudioBytes2) {
310 *(DWORD *)lplpvAudioPtr2 = (DWORD)me->lpBuffer;
311 *lpdwAudioBytes2 = dwWriteBytes - *lpdwAudioBytes1;
312 }
313 }
314 else {
315 *(DWORD *)lplpvAudioPtr1 = (DWORD)(me->lpBuffer + dwWriteCursor);
316 *lpdwAudioBytes1 = dwWriteBytes;
317 if(lplpvAudioPtr2 && lpdwAudioBytes2) {
318 *(DWORD *)lplpvAudioPtr2 = 0;
319 *lpdwAudioBytes2 = 0;
320 }
321 }
322 me->fLocked = TRUE;
323 return DS_OK;
324}
325//******************************************************************************
326//******************************************************************************
327HRESULT __stdcall SoundBufPlay(THIS_ DWORD,DWORD,DWORD )
328{
329 OS2IDirectSoundBuffer *me = (OS2IDirectSoundBuffer *)This;
330
331 dprintf(("SoundBufPlay"));
332 if(me == NULL) {
333 return DSERR_INVALIDPARAM;
334 }
335 return DS_OK;
336}
337//******************************************************************************
338//******************************************************************************
339HRESULT __stdcall SoundBufSetCurrentPosition(THIS_ DWORD dwNewPosition)
340{
341 OS2IDirectSoundBuffer *me = (OS2IDirectSoundBuffer *)This;
342
343 dprintf(("SoundBufSetCurrentPosition"));
344 if(me == NULL) {
345 return DSERR_INVALIDPARAM;
346 }
347 //todo: check for primary buffer (can't do it with those)
348 me->playpos = dwNewPosition;
349 me->writepos = dwNewPosition;
350 return DS_OK;
351}
352//******************************************************************************
353//******************************************************************************
354#if 0 //KSO Apr 19 1999: some parameter incompabilities between newer and older SDKs.
355HRESULT __stdcall SoundBufSetFormat(THIS_ LPWAVEFORMATEX )
356#else
357HRESULT __stdcall SoundBufSetFormat(THIS_ LPCWAVEFORMATEX )
358#endif
359{
360 OS2IDirectSoundBuffer *me = (OS2IDirectSoundBuffer *)This;
361
362 dprintf(("SoundBufSetFormat"));
363 if(me == NULL) {
364 return DSERR_INVALIDPARAM;
365 }
366 return DS_OK;
367}
368//******************************************************************************
369//******************************************************************************
370HRESULT __stdcall SoundBufSetVolume(THIS_ LONG lVolume)
371{
372 OS2IDirectSoundBuffer *me = (OS2IDirectSoundBuffer *)This;
373
374 dprintf(("SoundBufSetVolume"));
375 if(me == NULL) {
376 return DSERR_INVALIDPARAM;
377 }
378 me->volume = lVolume;
379 return DS_OK;
380}
381//******************************************************************************
382//******************************************************************************
383HRESULT __stdcall SoundBufSetPan(THIS_ LONG lPan)
384{
385 OS2IDirectSoundBuffer *me = (OS2IDirectSoundBuffer *)This;
386
387 dprintf(("SoundBufSetPan"));
388 if(me == NULL) {
389 return DSERR_INVALIDPARAM;
390 }
391 me->pan = lPan;
392 return DS_OK;
393}
394//******************************************************************************
395//******************************************************************************
396HRESULT __stdcall SoundBufSetFrequency(THIS_ DWORD dwFrequency)
397{
398 OS2IDirectSoundBuffer *me = (OS2IDirectSoundBuffer *)This;
399
400 dprintf(("SoundBufSetFrequency"));
401 if(me == NULL) {
402 return DSERR_INVALIDPARAM;
403 }
404 me->frequency = dwFrequency;
405 return DS_OK;
406}
407//******************************************************************************
408//******************************************************************************
409HRESULT __stdcall SoundBufStop(THIS )
410{
411 OS2IDirectSoundBuffer *me = (OS2IDirectSoundBuffer *)This;
412
413 dprintf(("SoundBufStop"));
414 if(me == NULL) {
415 return DSERR_INVALIDPARAM;
416 }
417 return DS_OK;
418}
419//******************************************************************************
420//******************************************************************************
421HRESULT __stdcall SoundBufUnlock(THIS_ LPVOID,DWORD,LPVOID,DWORD )
422{
423 OS2IDirectSoundBuffer *me = (OS2IDirectSoundBuffer *)This;
424
425 dprintf(("SoundBufUnlock"));
426 if(me == NULL) {
427 return DSERR_INVALIDPARAM;
428 }
429 return DS_OK;
430}
431//******************************************************************************
432//******************************************************************************
433HRESULT __stdcall SoundBufRestore(THIS )
434{
435 OS2IDirectSoundBuffer *me = (OS2IDirectSoundBuffer *)This;
436
437 dprintf(("SoundBufRestore"));
438 if(me == NULL) {
439 return DSERR_INVALIDPARAM;
440 }
441 return DS_OK;
442}
443//******************************************************************************
444//******************************************************************************
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