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- Committer: Package Import Robot
- Author(s): Michael Terry
- Date: 2012-05-22 10:14:53 UTC
- mfrom: (7.1.9 sid)
- Revision ID: package-import@ubuntu.com-20120522101453-knsv1m1m8vl5ccfp
Tags: 1:1.14-3ubuntu1
* Merge from Debian testing. Remaining changes:
- Add a symbols file for libopenal1
* debian/libopenal1.symbols:
- Update for 1.14
- Add a symbols file for libopenal1
* debian/libopenal1.symbols:
- Update for 1.14
- files added:
- .gitignore
- .pc
- .pc/libsndio-dlopen-change.patch
- .pc/libsndio-dlopen-change.patch/Alc
- .pc/libsndio-dlopen-change.patch/Alc/backends
- .pc/no-fpuextended.patch
- .pc/no-fpuextended.patch/OpenAL32
- .pc/no-fpuextended.patch/OpenAL32/Include
- Alc/backends
- examples
- files removed:
- Alc/alsa.c
- files modified:
- Alc/ALc.c
added
removed
Alc/dsound.c
1
/**
2
* OpenAL cross platform audio library
3
* Copyright (C) 1999-2007 by authors.
4
* This library is free software; you can redistribute it and/or
5
* modify it under the terms of the GNU Library General Public
6
* License as published by the Free Software Foundation; either
7
* version 2 of the License, or (at your option) any later version.
8
*
9
* This library is distributed in the hope that it will be useful,
10
* but WITHOUT ANY WARRANTY; without even the implied warranty of
11
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12
* Library General Public License for more details.
13
*
14
* You should have received a copy of the GNU Library General Public
15
* License along with this library; if not, write to the
16
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
17
* Boston, MA 02111-1307, USA.
18
* Or go to http://www.gnu.org/copyleft/lgpl.html
19
*/
20
21
#include "config.h"
22
23
#define _WIN32_WINNT 0x0500
24
#define INITGUID
25
#include <stdlib.h>
26
#include <stdio.h>
27
#include <memory.h>
28
29
#include <dsound.h>
30
#include <cguid.h>
31
#include <mmreg.h>
32
#ifndef _WAVEFORMATEXTENSIBLE_
33
#include <ks.h>
34
#include <ksmedia.h>
35
#endif
36
37
#include "alMain.h"
38
#include "AL/al.h"
39
#include "AL/alc.h"
40
41
#ifndef DSSPEAKER_5POINT1
42
#define DSSPEAKER_5POINT1 6
43
#endif
44
#ifndef DSSPEAKER_7POINT1
45
#define DSSPEAKER_7POINT1 7
46
#endif
47
48
DEFINE_GUID(KSDATAFORMAT_SUBTYPE_PCM, 0x00000001, 0x0000, 0x0010, 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71);
49
DEFINE_GUID(KSDATAFORMAT_SUBTYPE_IEEE_FLOAT, 0x00000003, 0x0000, 0x0010, 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71);
50
51
static void *ds_handle;
52
static HRESULT (WINAPI *pDirectSoundCreate)(LPCGUID pcGuidDevice, LPDIRECTSOUND *ppDS, LPUNKNOWN pUnkOuter);
53
static HRESULT (WINAPI *pDirectSoundEnumerateA)(LPDSENUMCALLBACKA pDSEnumCallback, LPVOID pContext);
54
55
56
typedef struct {
57
// DirectSound Playback Device
58
LPDIRECTSOUND lpDS;
59
LPDIRECTSOUNDBUFFER DSpbuffer;
60
LPDIRECTSOUNDBUFFER DSsbuffer;
61
62
volatile int killNow;
63
ALvoid *thread;
64
} DSoundData;
65
66
67
typedef struct {
68
ALCchar *name;
69
GUID guid;
70
} DevMap;
71
72
static const ALCchar dsDevice[] = "DirectSound Default";
73
static DevMap *DeviceList;
74
static ALuint NumDevices;
75
76
77
void *DSoundLoad(void)
78
{
79
if(!ds_handle)
80
{
81
#ifdef _WIN32
82
ds_handle = LoadLibraryA("dsound.dll");
83
if(ds_handle == NULL)
84
{
85
AL_PRINT("Failed to load dsound.dll\n");
86
return NULL;
87
}
88
89
#define LOAD_FUNC(f) do { \
90
p##f = (void*)GetProcAddress((HMODULE)ds_handle, #f); \
91
if(p##f == NULL) \
92
{ \
93
FreeLibrary(ds_handle); \
94
ds_handle = NULL; \
95
AL_PRINT("Could not load %s from dsound.dll\n", #f); \
96
return NULL; \
97
} \
98
} while(0)
99
#else
100
ds_handle = (void*)0xDEADBEEF;
101
#define LOAD_FUNC(f) p##f = f
102
#endif
103
104
LOAD_FUNC(DirectSoundCreate);
105
LOAD_FUNC(DirectSoundEnumerateA);
106
#undef LOAD_FUNC
107
}
108
return ds_handle;
109
}
110
111
112
static BOOL CALLBACK DSoundEnumDevices(LPGUID guid, LPCSTR desc, LPCSTR drvname, LPVOID data)
113
{
114
char str[1024];
115
void *temp;
116
int count;
117
ALuint i;
118
119
(void)data;
120
(void)drvname;
121
122
if(NumDevices == 0)
123
{
124
temp = realloc(DeviceList, sizeof(DevMap) * (NumDevices+1));
125
if(temp)
126
{
127
DeviceList = temp;
128
DeviceList[NumDevices].name = strdup(dsDevice);
129
DeviceList[NumDevices].guid = GUID_NULL;
130
NumDevices++;
131
}
132
}
133
134
if(!guid)
135
return TRUE;
136
137
count = 0;
138
do {
139
if(count == 0)
140
snprintf(str, sizeof(str), "%s via DirectSound", desc);
141
else
142
snprintf(str, sizeof(str), "%s #%d via DirectSound", desc, count+1);
143
count++;
144
145
for(i = 0;i < NumDevices;i++)
146
{
147
if(strcmp(str, DeviceList[i].name) == 0)
148
break;
149
}
150
} while(i != NumDevices);
151
152
temp = realloc(DeviceList, sizeof(DevMap) * (NumDevices+1));
153
if(temp)
154
{
155
DeviceList = temp;
156
DeviceList[NumDevices].name = strdup(str);
157
DeviceList[NumDevices].guid = *guid;
158
NumDevices++;
159
}
160
161
return TRUE;
162
}
163
164
165
static ALuint DSoundProc(ALvoid *ptr)
166
{
167
ALCdevice *pDevice = (ALCdevice*)ptr;
168
DSoundData *pData = (DSoundData*)pDevice->ExtraData;
169
DSBCAPS DSBCaps;
170
DWORD LastCursor = 0;
171
DWORD PlayCursor;
172
VOID *WritePtr1, *WritePtr2;
173
DWORD WriteCnt1, WriteCnt2;
174
BOOL Playing = FALSE;
175
DWORD FrameSize;
176
DWORD FragSize;
177
DWORD avail;
178
HRESULT err;
179
180
SetRTPriority();
181
182
memset(&DSBCaps, 0, sizeof(DSBCaps));
183
DSBCaps.dwSize = sizeof(DSBCaps);
184
err = IDirectSoundBuffer_GetCaps(pData->DSsbuffer, &DSBCaps);
185
if(FAILED(err))
186
{
187
AL_PRINT("Failed to get buffer caps: 0x%lx\n", err);
188
aluHandleDisconnect(pDevice);
189
return 1;
190
}
191
192
FrameSize = FrameSizeFromDevFmt(pDevice->FmtChans, pDevice->FmtType);
193
FragSize = pDevice->UpdateSize * FrameSize;
194
195
IDirectSoundBuffer_GetCurrentPosition(pData->DSsbuffer, &LastCursor, NULL);
196
while(!pData->killNow)
197
{
198
// Get current play and write cursors
199
IDirectSoundBuffer_GetCurrentPosition(pData->DSsbuffer, &PlayCursor, NULL);
200
avail = (PlayCursor-LastCursor+DSBCaps.dwBufferBytes) % DSBCaps.dwBufferBytes;
201
202
if(avail < FragSize)
203
{
204
if(!Playing)
205
{
206
err = IDirectSoundBuffer_Play(pData->DSsbuffer, 0, 0, DSBPLAY_LOOPING);
207
if(FAILED(err))
208
{
209
AL_PRINT("Failed to play buffer: 0x%lx\n", err);
210
aluHandleDisconnect(pDevice);
211
return 1;
212
}
213
Playing = TRUE;
214
}
215
Sleep(1);
216
continue;
217
}
218
avail -= avail%FragSize;
219
220
// Lock output buffer
221
WriteCnt1 = 0;
222
WriteCnt2 = 0;
223
err = IDirectSoundBuffer_Lock(pData->DSsbuffer, LastCursor, avail, &WritePtr1, &WriteCnt1, &WritePtr2, &WriteCnt2, 0);
224
225
// If the buffer is lost, restore it and lock
226
if(err == DSERR_BUFFERLOST)
227
{
228
err = IDirectSoundBuffer_Restore(pData->DSsbuffer);
229
if(SUCCEEDED(err))
230
{
231
Playing = FALSE;
232
LastCursor = 0;
233
err = IDirectSoundBuffer_Lock(pData->DSsbuffer, 0, DSBCaps.dwBufferBytes, &WritePtr1, &WriteCnt1, &WritePtr2, &WriteCnt2, 0);
234
}
235
}
236
237
// Successfully locked the output buffer
238
if(SUCCEEDED(err))
239
{
240
// If we have an active context, mix data directly into output buffer otherwise fill with silence
241
aluMixData(pDevice, WritePtr1, WriteCnt1/FrameSize);
242
aluMixData(pDevice, WritePtr2, WriteCnt2/FrameSize);
243
244
// Unlock output buffer only when successfully locked
245
IDirectSoundBuffer_Unlock(pData->DSsbuffer, WritePtr1, WriteCnt1, WritePtr2, WriteCnt2);
246
}
247
else
248
{
249
AL_PRINT("Buffer lock error: %#lx\n", err);
250
aluHandleDisconnect(pDevice);
251
return 1;
252
}
253
254
// Update old write cursor location
255
LastCursor += WriteCnt1+WriteCnt2;
256
LastCursor %= DSBCaps.dwBufferBytes;
257
}
258
259
return 0;
260
}
261
262
static ALCboolean DSoundOpenPlayback(ALCdevice *device, const ALCchar *deviceName)
263
{
264
DSoundData *pData = NULL;
265
LPGUID guid = NULL;
266
HRESULT hr;
267
268
if(!DSoundLoad())
269
return ALC_FALSE;
270
271
if(!deviceName)
272
deviceName = dsDevice;
273
else if(strcmp(deviceName, dsDevice) != 0)
274
{
275
ALuint i;
276
277
if(!DeviceList)
278
{
279
hr = pDirectSoundEnumerateA(DSoundEnumDevices, NULL);
280
if(FAILED(hr))
281
AL_PRINT("Error enumerating DirectSound devices (%#x)!\n", (unsigned int)hr);
282
}
283
284
for(i = 0;i < NumDevices;i++)
285
{
286
if(strcmp(deviceName, DeviceList[i].name) == 0)
287
{
288
if(i > 0)
289
guid = &DeviceList[i].guid;
290
break;
291
}
292
}
293
if(i == NumDevices)
294
return ALC_FALSE;
295
}
296
297
//Initialise requested device
298
pData = calloc(1, sizeof(DSoundData));
299
if(!pData)
300
{
301
alcSetError(device, ALC_OUT_OF_MEMORY);
302
return ALC_FALSE;
303
}
304
305
//DirectSound Init code
306
hr = pDirectSoundCreate(guid, &pData->lpDS, NULL);
307
if(SUCCEEDED(hr))
308
hr = IDirectSound_SetCooperativeLevel(pData->lpDS, GetForegroundWindow(), DSSCL_PRIORITY);
309
if(FAILED(hr))
310
{
311
if(pData->lpDS)
312
IDirectSound_Release(pData->lpDS);
313
free(pData);
314
AL_PRINT("Device init failed: 0x%08lx\n", hr);
315
return ALC_FALSE;
316
}
317
318
device->szDeviceName = strdup(deviceName);
319
device->ExtraData = pData;
320
return ALC_TRUE;
321
}
322
323
static void DSoundClosePlayback(ALCdevice *device)
324
{
325
DSoundData *pData = device->ExtraData;
326
327
IDirectSound_Release(pData->lpDS);
328
free(pData);
329
device->ExtraData = NULL;
330
}
331
332
static ALCboolean DSoundResetPlayback(ALCdevice *device)
333
{
334
DSoundData *pData = (DSoundData*)device->ExtraData;
335
DSBUFFERDESC DSBDescription;
336
WAVEFORMATEXTENSIBLE OutputType;
337
DWORD speakers;
338
HRESULT hr;
339
340
memset(&OutputType, 0, sizeof(OutputType));
341
342
switch(device->FmtType)
343
{
344
case DevFmtByte:
345
device->FmtType = DevFmtUByte;
346
break;
347
case DevFmtUShort:
348
device->FmtType = DevFmtShort;
349
break;
350
case DevFmtUByte:
351
case DevFmtShort:
352
case DevFmtFloat:
353
break;
354
}
355
356
hr = IDirectSound_GetSpeakerConfig(pData->lpDS, &speakers);
357
if(SUCCEEDED(hr) && ConfigValueExists(NULL, "format"))
358
{
359
switch(device->FmtChans)
360
{
361
case DevFmtMono:
362
speakers = DSSPEAKER_COMBINED(DSSPEAKER_MONO, 0);
363
break;
364
case DevFmtStereo:
365
speakers = DSSPEAKER_COMBINED(DSSPEAKER_STEREO, 0);
366
break;
367
case DevFmtQuad:
368
speakers = DSSPEAKER_COMBINED(DSSPEAKER_QUAD, 0);
369
break;
370
case DevFmtX51:
371
speakers = DSSPEAKER_COMBINED(DSSPEAKER_5POINT1, 0);
372
break;
373
case DevFmtX61:
374
/* ??? */;
375
break;
376
case DevFmtX71:
377
speakers = DSSPEAKER_COMBINED(DSSPEAKER_7POINT1, 0);
378
break;
379
}
380
}
381
if(SUCCEEDED(hr))
382
{
383
speakers = DSSPEAKER_CONFIG(speakers);
384
if(speakers == DSSPEAKER_MONO)
385
{
386
device->FmtChans = DevFmtMono;
387
OutputType.dwChannelMask = SPEAKER_FRONT_CENTER;
388
}
389
else if(speakers == DSSPEAKER_STEREO || speakers == DSSPEAKER_HEADPHONE)
390
{
391
device->FmtChans = DevFmtStereo;
392
OutputType.dwChannelMask = SPEAKER_FRONT_LEFT |
393
SPEAKER_FRONT_RIGHT;
394
}
395
else if(speakers == DSSPEAKER_QUAD)
396
{
397
device->FmtChans = DevFmtQuad;
398
OutputType.dwChannelMask = SPEAKER_FRONT_LEFT |
399
SPEAKER_FRONT_RIGHT |
400
SPEAKER_BACK_LEFT |
401
SPEAKER_BACK_RIGHT;
402
}
403
else if(speakers == DSSPEAKER_5POINT1)
404
{
405
device->FmtChans = DevFmtX51;
406
OutputType.dwChannelMask = SPEAKER_FRONT_LEFT |
407
SPEAKER_FRONT_RIGHT |
408
SPEAKER_FRONT_CENTER |
409
SPEAKER_LOW_FREQUENCY |
410
SPEAKER_BACK_LEFT |
411
SPEAKER_BACK_RIGHT;
412
}
413
else if(speakers == DSSPEAKER_7POINT1)
414
{
415
device->FmtChans = DevFmtX71;
416
OutputType.dwChannelMask = SPEAKER_FRONT_LEFT |
417
SPEAKER_FRONT_RIGHT |
418
SPEAKER_FRONT_CENTER |
419
SPEAKER_LOW_FREQUENCY |
420
SPEAKER_BACK_LEFT |
421
SPEAKER_BACK_RIGHT |
422
SPEAKER_SIDE_LEFT |
423
SPEAKER_SIDE_RIGHT;
424
}
425
426
OutputType.Format.wFormatTag = WAVE_FORMAT_PCM;
427
OutputType.Format.nChannels = ChannelsFromDevFmt(device->FmtChans);
428
OutputType.Format.wBitsPerSample = BytesFromDevFmt(device->FmtType) * 8;
429
OutputType.Format.nBlockAlign = OutputType.Format.nChannels*OutputType.Format.wBitsPerSample/8;
430
OutputType.Format.nSamplesPerSec = device->Frequency;
431
OutputType.Format.nAvgBytesPerSec = OutputType.Format.nSamplesPerSec*OutputType.Format.nBlockAlign;
432
OutputType.Format.cbSize = 0;
433
}
434
435
if(OutputType.Format.nChannels > 2 || OutputType.Format.wBitsPerSample > 16)
436
{
437
OutputType.Format.wFormatTag = WAVE_FORMAT_EXTENSIBLE;
438
OutputType.Samples.wValidBitsPerSample = OutputType.Format.wBitsPerSample;
439
OutputType.Format.cbSize = 22;
440
if(OutputType.Format.wBitsPerSample == 32)
441
OutputType.SubFormat = KSDATAFORMAT_SUBTYPE_IEEE_FLOAT;
442
else
443
OutputType.SubFormat = KSDATAFORMAT_SUBTYPE_PCM;
444
}
445
else
446
{
447
if(SUCCEEDED(hr))
448
{
449
memset(&DSBDescription,0,sizeof(DSBUFFERDESC));
450
DSBDescription.dwSize=sizeof(DSBUFFERDESC);
451
DSBDescription.dwFlags=DSBCAPS_PRIMARYBUFFER;
452
hr = IDirectSound_CreateSoundBuffer(pData->lpDS, &DSBDescription, &pData->DSpbuffer, NULL);
453
}
454
if(SUCCEEDED(hr))
455
hr = IDirectSoundBuffer_SetFormat(pData->DSpbuffer,&OutputType.Format);
456
}
457
458
if(SUCCEEDED(hr))
459
{
460
memset(&DSBDescription,0,sizeof(DSBUFFERDESC));
461
DSBDescription.dwSize=sizeof(DSBUFFERDESC);
462
DSBDescription.dwFlags=DSBCAPS_GLOBALFOCUS|DSBCAPS_GETCURRENTPOSITION2;
463
DSBDescription.dwBufferBytes=device->UpdateSize * device->NumUpdates *
464
OutputType.Format.nBlockAlign;
465
DSBDescription.lpwfxFormat=&OutputType.Format;
466
hr = IDirectSound_CreateSoundBuffer(pData->lpDS, &DSBDescription, &pData->DSsbuffer, NULL);
467
}
468
469
if(SUCCEEDED(hr))
470
{
471
SetDefaultWFXChannelOrder(device);
472
pData->thread = StartThread(DSoundProc, device);
473
if(!pData->thread)
474
hr = E_FAIL;
475
}
476
477
if(FAILED(hr))
478
{
479
if (pData->DSsbuffer)
480
IDirectSoundBuffer_Release(pData->DSsbuffer);
481
pData->DSsbuffer = NULL;
482
if (pData->DSpbuffer)
483
IDirectSoundBuffer_Release(pData->DSpbuffer);
484
pData->DSpbuffer = NULL;
485
return ALC_FALSE;
486
}
487
488
return ALC_TRUE;
489
}
490
491
static void DSoundStopPlayback(ALCdevice *device)
492
{
493
DSoundData *pData = device->ExtraData;
494
495
if(!pData->thread)
496
return;
497
498
pData->killNow = 1;
499
StopThread(pData->thread);
500
pData->thread = NULL;
501
502
pData->killNow = 0;
503
504
IDirectSoundBuffer_Release(pData->DSsbuffer);
505
pData->DSsbuffer = NULL;
506
if (pData->DSpbuffer)
507
IDirectSoundBuffer_Release(pData->DSpbuffer);
508
pData->DSpbuffer = NULL;
509
}
510
511
512
static ALCboolean DSoundOpenCapture(ALCdevice *pDevice, const ALCchar *deviceName)
513
{
514
(void)pDevice;
515
(void)deviceName;
516
return ALC_FALSE;
517
}
518
519
static void DSoundCloseCapture(ALCdevice *pDevice)
520
{
521
(void)pDevice;
522
}
523
524
static void DSoundStartCapture(ALCdevice *pDevice)
525
{
526
(void)pDevice;
527
}
528
529
static void DSoundStopCapture(ALCdevice *pDevice)
530
{
531
(void)pDevice;
532
}
533
534
static void DSoundCaptureSamples(ALCdevice *pDevice, ALCvoid *pBuffer, ALCuint lSamples)
535
{
536
(void)pDevice;
537
(void)pBuffer;
538
(void)lSamples;
539
}
540
541
static ALCuint DSoundAvailableSamples(ALCdevice *pDevice)
542
{
543
(void)pDevice;
544
return 0;
545
}
546
547
548
BackendFuncs DSoundFuncs = {
549
DSoundOpenPlayback,
550
DSoundClosePlayback,
551
DSoundResetPlayback,
552
DSoundStopPlayback,
553
DSoundOpenCapture,
554
DSoundCloseCapture,
555
DSoundStartCapture,
556
DSoundStopCapture,
557
DSoundCaptureSamples,
558
DSoundAvailableSamples
559
};
560
561
562
void alcDSoundInit(BackendFuncs *FuncList)
563
{
564
*FuncList = DSoundFuncs;
565
}
566
567
void alcDSoundDeinit(void)
568
{
569
ALuint i;
570
571
for(i = 0;i < NumDevices;++i)
572
free(DeviceList[i].name);
573
free(DeviceList);
574
DeviceList = NULL;
575
NumDevices = 0;
576
577
if(ds_handle)
578
{
579
#ifdef _WIN32
580
FreeLibrary(ds_handle);
581
#endif
582
ds_handle = NULL;
583
}
584
}
585
586
void alcDSoundProbe(int type)
587
{
588
if(!DSoundLoad()) return;
589
590
if(type == DEVICE_PROBE)
591
AppendDeviceList(dsDevice);
592
else if(type == ALL_DEVICE_PROBE)
593
{
594
HRESULT hr;
595
ALuint i;
596
597
for(i = 0;i < NumDevices;++i)
598
free(DeviceList[i].name);
599
free(DeviceList);
600
DeviceList = NULL;
601
NumDevices = 0;
602
603
hr = pDirectSoundEnumerateA(DSoundEnumDevices, NULL);
604
if(FAILED(hr))
605
AL_PRINT("Error enumerating DirectSound devices (%#x)!\n", (unsigned int)hr);
606
else
607
{
608
for(i = 0;i < NumDevices;i++)
609
AppendAllDeviceList(DeviceList[i].name);
610
}
611
}
612
}
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