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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/backends/mmdevapi.c
1
/**
2
* OpenAL cross platform audio library
3
* Copyright (C) 2011 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 COBJMACROS
24
#include <stdlib.h>
25
#include <stdio.h>
26
#include <memory.h>
27
28
#include <mmdeviceapi.h>
29
#include <audioclient.h>
30
#include <cguid.h>
31
#include <mmreg.h>
32
#include <propsys.h>
33
#include <propkey.h>
34
#include <devpkey.h>
35
#ifndef _WAVEFORMATEXTENSIBLE_
36
#include <ks.h>
37
#include <ksmedia.h>
38
#endif
39
40
#include "alMain.h"
41
#include "AL/al.h"
42
#include "AL/alc.h"
43
44
45
DEFINE_GUID(KSDATAFORMAT_SUBTYPE_PCM, 0x00000001, 0x0000, 0x0010, 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71);
46
DEFINE_GUID(KSDATAFORMAT_SUBTYPE_IEEE_FLOAT, 0x00000003, 0x0000, 0x0010, 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71);
47
48
#define MONO SPEAKER_FRONT_CENTER
49
#define STEREO (SPEAKER_FRONT_LEFT|SPEAKER_FRONT_RIGHT)
50
#define QUAD (SPEAKER_FRONT_LEFT|SPEAKER_FRONT_RIGHT|SPEAKER_BACK_LEFT|SPEAKER_BACK_RIGHT)
51
#define X5DOT1 (SPEAKER_FRONT_LEFT|SPEAKER_FRONT_RIGHT|SPEAKER_FRONT_CENTER|SPEAKER_LOW_FREQUENCY|SPEAKER_BACK_LEFT|SPEAKER_BACK_RIGHT)
52
#define X5DOT1SIDE (SPEAKER_FRONT_LEFT|SPEAKER_FRONT_RIGHT|SPEAKER_FRONT_CENTER|SPEAKER_LOW_FREQUENCY|SPEAKER_SIDE_LEFT|SPEAKER_SIDE_RIGHT)
53
#define X6DOT1 (SPEAKER_FRONT_LEFT|SPEAKER_FRONT_RIGHT|SPEAKER_FRONT_CENTER|SPEAKER_LOW_FREQUENCY|SPEAKER_BACK_CENTER|SPEAKER_SIDE_LEFT|SPEAKER_SIDE_RIGHT)
54
#define X7DOT1 (SPEAKER_FRONT_LEFT|SPEAKER_FRONT_RIGHT|SPEAKER_FRONT_CENTER|SPEAKER_LOW_FREQUENCY|SPEAKER_BACK_LEFT|SPEAKER_BACK_RIGHT|SPEAKER_SIDE_LEFT|SPEAKER_SIDE_RIGHT)
55
56
57
typedef struct {
58
WCHAR *devid;
59
60
IMMDevice *mmdev;
61
IAudioClient *client;
62
IAudioRenderClient *render;
63
HANDLE hNotifyEvent;
64
65
HANDLE MsgEvent;
66
67
volatile int killNow;
68
ALvoid *thread;
69
} MMDevApiData;
70
71
72
typedef struct {
73
ALCchar *name;
74
WCHAR *devid;
75
} DevMap;
76
77
static DevMap *PlaybackDeviceList;
78
static ALuint NumPlaybackDevices;
79
static DevMap *CaptureDeviceList;
80
static ALuint NumCaptureDevices;
81
82
83
static HANDLE ThreadHdl;
84
static DWORD ThreadID;
85
86
typedef struct {
87
HANDLE FinishedEvt;
88
HRESULT result;
89
} ThreadRequest;
90
91
#define WM_USER_OpenDevice (WM_USER+0)
92
#define WM_USER_ResetDevice (WM_USER+1)
93
#define WM_USER_StartDevice (WM_USER+2)
94
#define WM_USER_StopDevice (WM_USER+3)
95
#define WM_USER_CloseDevice (WM_USER+4)
96
#define WM_USER_Enumerate (WM_USER+5)
97
98
static HRESULT WaitForResponse(ThreadRequest *req)
99
{
100
if(WaitForSingleObject(req->FinishedEvt, INFINITE) == WAIT_OBJECT_0)
101
return req->result;
102
ERR("Message response error: %lu\n", GetLastError());
103
return E_FAIL;
104
}
105
106
107
static ALCchar *get_device_name(IMMDevice *device)
108
{
109
ALCchar *name = NULL;
110
IPropertyStore *ps;
111
PROPVARIANT pvname;
112
HRESULT hr;
113
int len;
114
115
hr = IMMDevice_OpenPropertyStore(device, STGM_READ, &ps);
116
if(FAILED(hr))
117
{
118
WARN("OpenPropertyStore failed: 0x%08lx\n", hr);
119
return calloc(1, 1);
120
}
121
122
PropVariantInit(&pvname);
123
124
hr = IPropertyStore_GetValue(ps, (const PROPERTYKEY*)&DEVPKEY_Device_FriendlyName, &pvname);
125
if(FAILED(hr))
126
{
127
WARN("GetValue failed: 0x%08lx\n", hr);
128
name = calloc(1, 1);
129
}
130
else
131
{
132
if((len=WideCharToMultiByte(CP_ACP, 0, pvname.pwszVal, -1, NULL, 0, NULL, NULL)) > 0)
133
{
134
name = calloc(1, len);
135
WideCharToMultiByte(CP_ACP, 0, pvname.pwszVal, -1, name, len, NULL, NULL);
136
}
137
}
138
139
PropVariantClear(&pvname);
140
IPropertyStore_Release(ps);
141
142
return name;
143
}
144
145
static void add_device(IMMDevice *device, DevMap *devmap)
146
{
147
LPWSTR devid;
148
HRESULT hr;
149
150
hr = IMMDevice_GetId(device, &devid);
151
if(SUCCEEDED(hr))
152
{
153
devmap->devid = strdupW(devid);
154
devmap->name = get_device_name(device);
155
TRACE("Got device \"%s\", \"%ls\"\n", devmap->name, devmap->devid);
156
CoTaskMemFree(devid);
157
}
158
}
159
160
static DevMap *ProbeDevices(IMMDeviceEnumerator *devenum, EDataFlow flowdir, ALuint *numdevs)
161
{
162
IMMDeviceCollection *coll;
163
IMMDevice *defdev = NULL;
164
DevMap *devlist = NULL;
165
HRESULT hr;
166
UINT count;
167
UINT idx;
168
UINT i;
169
170
hr = IMMDeviceEnumerator_EnumAudioEndpoints(devenum, flowdir, DEVICE_STATE_ACTIVE, &coll);
171
if(FAILED(hr))
172
{
173
ERR("Failed to enumerate audio endpoints: 0x%08lx\n", hr);
174
return NULL;
175
}
176
177
idx = count = 0;
178
hr = IMMDeviceCollection_GetCount(coll, &count);
179
if(SUCCEEDED(hr) && count > 0)
180
{
181
devlist = calloc(count, sizeof(*devlist));
182
if(!devlist)
183
{
184
IMMDeviceCollection_Release(coll);
185
return NULL;
186
}
187
188
hr = IMMDeviceEnumerator_GetDefaultAudioEndpoint(devenum, flowdir,
189
eMultimedia, &defdev);
190
}
191
if(SUCCEEDED(hr) && defdev != NULL)
192
add_device(defdev, &devlist[idx++]);
193
194
for(i = 0;i < count && idx < count;++i)
195
{
196
IMMDevice *device;
197
198
if(FAILED(IMMDeviceCollection_Item(coll, i, &device)))
199
continue;
200
201
if(device != defdev)
202
add_device(device, &devlist[idx++]);
203
204
IMMDevice_Release(device);
205
}
206
207
if(defdev) IMMDevice_Release(defdev);
208
IMMDeviceCollection_Release(coll);
209
210
*numdevs = idx;
211
return devlist;
212
}
213
214
215
static ALuint MMDevApiProc(ALvoid *ptr)
216
{
217
ALCdevice *device = ptr;
218
MMDevApiData *data = device->ExtraData;
219
UINT32 buffer_len, written;
220
ALuint update_size, len;
221
BYTE *buffer;
222
HRESULT hr;
223
224
hr = CoInitialize(NULL);
225
if(FAILED(hr))
226
{
227
ERR("CoInitialize(NULL) failed: 0x%08lx\n", hr);
228
aluHandleDisconnect(device);
229
return 0;
230
}
231
232
hr = IAudioClient_GetBufferSize(data->client, &buffer_len);
233
if(FAILED(hr))
234
{
235
ERR("Failed to get audio buffer size: 0x%08lx\n", hr);
236
aluHandleDisconnect(device);
237
CoUninitialize();
238
return 0;
239
}
240
241
SetRTPriority();
242
243
update_size = device->UpdateSize;
244
while(!data->killNow)
245
{
246
hr = IAudioClient_GetCurrentPadding(data->client, &written);
247
if(FAILED(hr))
248
{
249
ERR("Failed to get padding: 0x%08lx\n", hr);
250
aluHandleDisconnect(device);
251
break;
252
}
253
254
len = buffer_len - written;
255
if(len < update_size)
256
{
257
DWORD res;
258
res = WaitForSingleObjectEx(data->hNotifyEvent, 2000, FALSE);
259
if(res != WAIT_OBJECT_0)
260
ERR("WaitForSingleObjectEx error: 0x%lx\n", res);
261
continue;
262
}
263
len -= len%update_size;
264
265
hr = IAudioRenderClient_GetBuffer(data->render, len, &buffer);
266
if(SUCCEEDED(hr))
267
{
268
aluMixData(device, buffer, len);
269
hr = IAudioRenderClient_ReleaseBuffer(data->render, len, 0);
270
}
271
if(FAILED(hr))
272
{
273
ERR("Failed to buffer data: 0x%08lx\n", hr);
274
aluHandleDisconnect(device);
275
break;
276
}
277
}
278
279
CoUninitialize();
280
return 0;
281
}
282
283
284
static ALCboolean MakeExtensible(WAVEFORMATEXTENSIBLE *out, const WAVEFORMATEX *in)
285
{
286
memset(out, 0, sizeof(*out));
287
if(in->wFormatTag == WAVE_FORMAT_EXTENSIBLE)
288
*out = *(const WAVEFORMATEXTENSIBLE*)in;
289
else if(in->wFormatTag == WAVE_FORMAT_PCM)
290
{
291
out->Format = *in;
292
out->Format.wFormatTag = WAVE_FORMAT_EXTENSIBLE;
293
out->Format.cbSize = sizeof(*out) - sizeof(*in);
294
if(out->Format.nChannels == 1)
295
out->dwChannelMask = MONO;
296
else if(out->Format.nChannels == 2)
297
out->dwChannelMask = STEREO;
298
else
299
ERR("Unhandled PCM channel count: %d\n", out->Format.nChannels);
300
out->SubFormat = KSDATAFORMAT_SUBTYPE_PCM;
301
}
302
else if(in->wFormatTag == WAVE_FORMAT_IEEE_FLOAT)
303
{
304
out->Format = *in;
305
out->Format.wFormatTag = WAVE_FORMAT_EXTENSIBLE;
306
out->Format.cbSize = sizeof(*out) - sizeof(*in);
307
if(out->Format.nChannels == 1)
308
out->dwChannelMask = MONO;
309
else if(out->Format.nChannels == 2)
310
out->dwChannelMask = STEREO;
311
else
312
ERR("Unhandled IEEE float channel count: %d\n", out->Format.nChannels);
313
out->SubFormat = KSDATAFORMAT_SUBTYPE_IEEE_FLOAT;
314
}
315
else
316
{
317
ERR("Unhandled format tag: 0x%04x\n", in->wFormatTag);
318
return ALC_FALSE;
319
}
320
return ALC_TRUE;
321
}
322
323
static HRESULT DoReset(ALCdevice *device)
324
{
325
MMDevApiData *data = device->ExtraData;
326
WAVEFORMATEXTENSIBLE OutputType;
327
WAVEFORMATEX *wfx = NULL;
328
REFERENCE_TIME min_per, buf_time;
329
UINT32 buffer_len, min_len;
330
HRESULT hr;
331
332
hr = IAudioClient_GetMixFormat(data->client, &wfx);
333
if(FAILED(hr))
334
{
335
ERR("Failed to get mix format: 0x%08lx\n", hr);
336
return hr;
337
}
338
339
if(!MakeExtensible(&OutputType, wfx))
340
{
341
CoTaskMemFree(wfx);
342
return E_FAIL;
343
}
344
CoTaskMemFree(wfx);
345
wfx = NULL;
346
347
buf_time = ((REFERENCE_TIME)device->UpdateSize*device->NumUpdates*10000000 +
348
device->Frequency-1) / device->Frequency;
349
350
if(!(device->Flags&DEVICE_FREQUENCY_REQUEST))
351
device->Frequency = OutputType.Format.nSamplesPerSec;
352
if(!(device->Flags&DEVICE_CHANNELS_REQUEST))
353
{
354
if(OutputType.Format.nChannels == 1 && OutputType.dwChannelMask == MONO)
355
device->FmtChans = DevFmtMono;
356
else if(OutputType.Format.nChannels == 2 && OutputType.dwChannelMask == STEREO)
357
device->FmtChans = DevFmtStereo;
358
else if(OutputType.Format.nChannels == 4 && OutputType.dwChannelMask == QUAD)
359
device->FmtChans = DevFmtQuad;
360
else if(OutputType.Format.nChannels == 6 && OutputType.dwChannelMask == X5DOT1)
361
device->FmtChans = DevFmtX51;
362
else if(OutputType.Format.nChannels == 6 && OutputType.dwChannelMask == X5DOT1SIDE)
363
device->FmtChans = DevFmtX51Side;
364
else if(OutputType.Format.nChannels == 7 && OutputType.dwChannelMask == X6DOT1)
365
device->FmtChans = DevFmtX61;
366
else if(OutputType.Format.nChannels == 8 && OutputType.dwChannelMask == X7DOT1)
367
device->FmtChans = DevFmtX71;
368
else
369
ERR("Unhandled channel config: %d -- 0x%08lx\n", OutputType.Format.nChannels, OutputType.dwChannelMask);
370
}
371
372
switch(device->FmtChans)
373
{
374
case DevFmtMono:
375
OutputType.Format.nChannels = 1;
376
OutputType.dwChannelMask = MONO;
377
break;
378
case DevFmtStereo:
379
OutputType.Format.nChannels = 2;
380
OutputType.dwChannelMask = STEREO;
381
break;
382
case DevFmtQuad:
383
OutputType.Format.nChannels = 4;
384
OutputType.dwChannelMask = QUAD;
385
break;
386
case DevFmtX51:
387
OutputType.Format.nChannels = 6;
388
OutputType.dwChannelMask = X5DOT1;
389
break;
390
case DevFmtX51Side:
391
OutputType.Format.nChannels = 6;
392
OutputType.dwChannelMask = X5DOT1SIDE;
393
break;
394
case DevFmtX61:
395
OutputType.Format.nChannels = 7;
396
OutputType.dwChannelMask = X6DOT1;
397
break;
398
case DevFmtX71:
399
OutputType.Format.nChannels = 8;
400
OutputType.dwChannelMask = X7DOT1;
401
break;
402
}
403
switch(device->FmtType)
404
{
405
case DevFmtByte:
406
device->FmtType = DevFmtUByte;
407
/* fall-through */
408
case DevFmtUByte:
409
OutputType.Format.wBitsPerSample = 8;
410
OutputType.Samples.wValidBitsPerSample = 8;
411
OutputType.SubFormat = KSDATAFORMAT_SUBTYPE_PCM;
412
break;
413
case DevFmtUShort:
414
device->FmtType = DevFmtShort;
415
/* fall-through */
416
case DevFmtShort:
417
OutputType.Format.wBitsPerSample = 16;
418
OutputType.Samples.wValidBitsPerSample = 16;
419
OutputType.SubFormat = KSDATAFORMAT_SUBTYPE_PCM;
420
break;
421
case DevFmtUInt:
422
device->FmtType = DevFmtInt;
423
/* fall-through */
424
case DevFmtInt:
425
OutputType.Format.wBitsPerSample = 32;
426
OutputType.Samples.wValidBitsPerSample = 32;
427
OutputType.SubFormat = KSDATAFORMAT_SUBTYPE_PCM;
428
break;
429
case DevFmtFloat:
430
OutputType.Format.wBitsPerSample = 32;
431
OutputType.Samples.wValidBitsPerSample = 32;
432
OutputType.SubFormat = KSDATAFORMAT_SUBTYPE_IEEE_FLOAT;
433
break;
434
}
435
OutputType.Format.nSamplesPerSec = device->Frequency;
436
437
OutputType.Format.nBlockAlign = OutputType.Format.nChannels *
438
OutputType.Format.wBitsPerSample / 8;
439
OutputType.Format.nAvgBytesPerSec = OutputType.Format.nSamplesPerSec *
440
OutputType.Format.nBlockAlign;
441
442
hr = IAudioClient_IsFormatSupported(data->client, AUDCLNT_SHAREMODE_SHARED, &OutputType.Format, &wfx);
443
if(FAILED(hr))
444
{
445
ERR("Failed to check format support: 0x%08lx\n", hr);
446
hr = IAudioClient_GetMixFormat(data->client, &wfx);
447
}
448
if(FAILED(hr))
449
{
450
ERR("Failed to find a supported format: 0x%08lx\n", hr);
451
return hr;
452
}
453
454
if(wfx != NULL)
455
{
456
if(!MakeExtensible(&OutputType, wfx))
457
{
458
CoTaskMemFree(wfx);
459
return E_FAIL;
460
}
461
CoTaskMemFree(wfx);
462
wfx = NULL;
463
464
device->Frequency = OutputType.Format.nSamplesPerSec;
465
if(OutputType.Format.nChannels == 1 && OutputType.dwChannelMask == MONO)
466
device->FmtChans = DevFmtMono;
467
else if(OutputType.Format.nChannels == 2 && OutputType.dwChannelMask == STEREO)
468
device->FmtChans = DevFmtStereo;
469
else if(OutputType.Format.nChannels == 4 && OutputType.dwChannelMask == QUAD)
470
device->FmtChans = DevFmtQuad;
471
else if(OutputType.Format.nChannels == 6 && OutputType.dwChannelMask == X5DOT1)
472
device->FmtChans = DevFmtX51;
473
else if(OutputType.Format.nChannels == 6 && OutputType.dwChannelMask == X5DOT1SIDE)
474
device->FmtChans = DevFmtX51Side;
475
else if(OutputType.Format.nChannels == 7 && OutputType.dwChannelMask == X6DOT1)
476
device->FmtChans = DevFmtX61;
477
else if(OutputType.Format.nChannels == 8 && OutputType.dwChannelMask == X7DOT1)
478
device->FmtChans = DevFmtX71;
479
else
480
{
481
ERR("Unhandled extensible channels: %d -- 0x%08lx\n", OutputType.Format.nChannels, OutputType.dwChannelMask);
482
device->FmtChans = DevFmtStereo;
483
OutputType.Format.nChannels = 2;
484
OutputType.dwChannelMask = STEREO;
485
}
486
487
if(IsEqualGUID(&OutputType.SubFormat, &KSDATAFORMAT_SUBTYPE_PCM))
488
{
489
if(OutputType.Format.wBitsPerSample == 8)
490
device->FmtType = DevFmtUByte;
491
else if(OutputType.Format.wBitsPerSample == 16)
492
device->FmtType = DevFmtShort;
493
else if(OutputType.Format.wBitsPerSample == 32)
494
device->FmtType = DevFmtInt;
495
else
496
{
497
device->FmtType = DevFmtShort;
498
OutputType.Format.wBitsPerSample = 16;
499
}
500
}
501
else if(IsEqualGUID(&OutputType.SubFormat, &KSDATAFORMAT_SUBTYPE_IEEE_FLOAT))
502
{
503
device->FmtType = DevFmtFloat;
504
OutputType.Format.wBitsPerSample = 32;
505
}
506
else
507
{
508
ERR("Unhandled format sub-type\n");
509
device->FmtType = DevFmtShort;
510
OutputType.Format.wBitsPerSample = 16;
511
OutputType.SubFormat = KSDATAFORMAT_SUBTYPE_PCM;
512
}
513
OutputType.Samples.wValidBitsPerSample = OutputType.Format.wBitsPerSample;
514
}
515
516
SetDefaultWFXChannelOrder(device);
517
518
hr = IAudioClient_Initialize(data->client, AUDCLNT_SHAREMODE_SHARED,
519
AUDCLNT_STREAMFLAGS_EVENTCALLBACK,
520
buf_time, 0, &OutputType.Format, NULL);
521
if(FAILED(hr))
522
{
523
ERR("Failed to initialize audio client: 0x%08lx\n", hr);
524
return hr;
525
}
526
527
hr = IAudioClient_GetDevicePeriod(data->client, &min_per, NULL);
528
if(SUCCEEDED(hr))
529
{
530
min_len = (UINT32)((min_per*device->Frequency + 10000000-1) / 10000000);
531
/* Find the nearest multiple of the period size to the update size */
532
if(min_len < device->UpdateSize)
533
min_len *= (device->UpdateSize + min_len/2)/min_len;
534
hr = IAudioClient_GetBufferSize(data->client, &buffer_len);
535
}
536
if(FAILED(hr))
537
{
538
ERR("Failed to get audio buffer info: 0x%08lx\n", hr);
539
return hr;
540
}
541
542
device->UpdateSize = min_len;
543
device->NumUpdates = buffer_len / device->UpdateSize;
544
if(device->NumUpdates <= 1)
545
{
546
ERR("Audio client returned buffer_len < period*2; expect break up\n");
547
device->NumUpdates = 2;
548
device->UpdateSize = buffer_len / device->NumUpdates;
549
}
550
551
return hr;
552
}
553
554
555
static DWORD CALLBACK MMDevApiMsgProc(void *ptr)
556
{
557
ThreadRequest *req = ptr;
558
IMMDeviceEnumerator *Enumerator;
559
ALuint deviceCount = 0;
560
MMDevApiData *data;
561
ALCdevice *device;
562
HRESULT hr, cohr;
563
MSG msg;
564
565
TRACE("Starting message thread\n");
566
567
cohr = CoInitialize(NULL);
568
if(FAILED(cohr))
569
{
570
WARN("Failed to initialize COM: 0x%08lx\n", cohr);
571
req->result = cohr;
572
SetEvent(req->FinishedEvt);
573
return 0;
574
}
575
576
hr = CoCreateInstance(&CLSID_MMDeviceEnumerator, NULL, CLSCTX_INPROC_SERVER, &IID_IMMDeviceEnumerator, &ptr);
577
if(FAILED(hr))
578
{
579
WARN("Failed to create IMMDeviceEnumerator instance: 0x%08lx\n", hr);
580
CoUninitialize();
581
req->result = hr;
582
SetEvent(req->FinishedEvt);
583
return 0;
584
}
585
Enumerator = ptr;
586
IMMDeviceEnumerator_Release(Enumerator);
587
Enumerator = NULL;
588
589
CoUninitialize();
590
591
req->result = S_OK;
592
SetEvent(req->FinishedEvt);
593
594
TRACE("Starting message loop\n");
595
while(GetMessage(&msg, NULL, 0, 0))
596
{
597
TRACE("Got message %u\n", msg.message);
598
switch(msg.message)
599
{
600
case WM_USER_OpenDevice:
601
req = (ThreadRequest*)msg.wParam;
602
device = (ALCdevice*)msg.lParam;
603
data = device->ExtraData;
604
605
hr = cohr = S_OK;
606
if(++deviceCount == 1)
607
hr = cohr = CoInitialize(NULL);
608
if(SUCCEEDED(hr))
609
hr = CoCreateInstance(&CLSID_MMDeviceEnumerator, NULL, CLSCTX_INPROC_SERVER, &IID_IMMDeviceEnumerator, &ptr);
610
if(SUCCEEDED(hr))
611
{
612
Enumerator = ptr;
613
if(!data->devid)
614
hr = IMMDeviceEnumerator_GetDefaultAudioEndpoint(Enumerator, eRender, eMultimedia, &data->mmdev);
615
else
616
hr = IMMDeviceEnumerator_GetDevice(Enumerator, data->devid, &data->mmdev);
617
IMMDeviceEnumerator_Release(Enumerator);
618
Enumerator = NULL;
619
}
620
if(SUCCEEDED(hr))
621
hr = IMMDevice_Activate(data->mmdev, &IID_IAudioClient, CLSCTX_INPROC_SERVER, NULL, &ptr);
622
if(SUCCEEDED(hr))
623
{
624
data->client = ptr;
625
device->szDeviceName = get_device_name(data->mmdev);
626
}
627
628
if(FAILED(hr))
629
{
630
if(data->mmdev)
631
IMMDevice_Release(data->mmdev);
632
data->mmdev = NULL;
633
if(--deviceCount == 0 && SUCCEEDED(cohr))
634
CoUninitialize();
635
}
636
637
req->result = hr;
638
SetEvent(req->FinishedEvt);
639
continue;
640
641
case WM_USER_ResetDevice:
642
req = (ThreadRequest*)msg.wParam;
643
device = (ALCdevice*)msg.lParam;
644
645
req->result = DoReset(device);
646
SetEvent(req->FinishedEvt);
647
continue;
648
649
case WM_USER_StartDevice:
650
req = (ThreadRequest*)msg.wParam;
651
device = (ALCdevice*)msg.lParam;
652
data = device->ExtraData;
653
654
ResetEvent(data->hNotifyEvent);
655
hr = IAudioClient_SetEventHandle(data->client, data->hNotifyEvent);
656
if(FAILED(hr))
657
ERR("Failed to set event handle: 0x%08lx\n", hr);
658
else
659
{
660
hr = IAudioClient_Start(data->client);
661
if(FAILED(hr))
662
ERR("Failed to start audio client: 0x%08lx\n", hr);
663
}
664
665
if(SUCCEEDED(hr))
666
hr = IAudioClient_GetService(data->client, &IID_IAudioRenderClient, &ptr);
667
if(SUCCEEDED(hr))
668
{
669
data->render = ptr;
670
data->thread = StartThread(MMDevApiProc, device);
671
if(!data->thread)
672
{
673
if(data->render)
674
IAudioRenderClient_Release(data->render);
675
data->render = NULL;
676
IAudioClient_Stop(data->client);
677
ERR("Failed to start thread\n");
678
hr = E_FAIL;
679
}
680
}
681
682
req->result = hr;
683
SetEvent(req->FinishedEvt);
684
continue;
685
686
case WM_USER_StopDevice:
687
req = (ThreadRequest*)msg.wParam;
688
device = (ALCdevice*)msg.lParam;
689
data = device->ExtraData;
690
691
if(data->thread)
692
{
693
data->killNow = 1;
694
StopThread(data->thread);
695
data->thread = NULL;
696
697
data->killNow = 0;
698
699
IAudioRenderClient_Release(data->render);
700
data->render = NULL;
701
IAudioClient_Stop(data->client);
702
}
703
704
req->result = S_OK;
705
SetEvent(req->FinishedEvt);
706
continue;
707
708
case WM_USER_CloseDevice:
709
req = (ThreadRequest*)msg.wParam;
710
device = (ALCdevice*)msg.lParam;
711
data = device->ExtraData;
712
713
IAudioClient_Release(data->client);
714
data->client = NULL;
715
716
IMMDevice_Release(data->mmdev);
717
data->mmdev = NULL;
718
719
if(--deviceCount == 0)
720
CoUninitialize();
721
722
req->result = S_OK;
723
SetEvent(req->FinishedEvt);
724
continue;
725
726
case WM_USER_Enumerate:
727
req = (ThreadRequest*)msg.wParam;
728
729
hr = cohr = S_OK;
730
if(++deviceCount == 1)
731
hr = cohr = CoInitialize(NULL);
732
if(SUCCEEDED(hr))
733
hr = CoCreateInstance(&CLSID_MMDeviceEnumerator, NULL, CLSCTX_INPROC_SERVER, &IID_IMMDeviceEnumerator, &ptr);
734
if(SUCCEEDED(hr))
735
{
736
EDataFlow flowdir;
737
DevMap **devlist;
738
ALuint *numdevs;
739
ALuint i;
740
741
Enumerator = ptr;
742
if(msg.lParam == CAPTURE_DEVICE_PROBE)
743
{
744
flowdir = eCapture;
745
devlist = &CaptureDeviceList;
746
numdevs = &NumCaptureDevices;
747
}
748
else
749
{
750
flowdir = eRender;
751
devlist = &PlaybackDeviceList;
752
numdevs = &NumPlaybackDevices;
753
}
754
755
for(i = 0;i < *numdevs;i++)
756
{
757
free((*devlist)[i].name);
758
free((*devlist)[i].devid);
759
}
760
free(*devlist);
761
*devlist = NULL;
762
*numdevs = 0;
763
764
*devlist = ProbeDevices(Enumerator, flowdir, numdevs);
765
766
IMMDeviceEnumerator_Release(Enumerator);
767
Enumerator = NULL;
768
}
769
770
if(--deviceCount == 0 && SUCCEEDED(cohr))
771
CoUninitialize();
772
773
req->result = S_OK;
774
SetEvent(req->FinishedEvt);
775
continue;
776
777
default:
778
ERR("Unexpected message: %u\n", msg.message);
779
continue;
780
}
781
}
782
TRACE("Message loop finished\n");
783
784
return 0;
785
}
786
787
788
static BOOL MMDevApiLoad(void)
789
{
790
static HRESULT InitResult;
791
if(!ThreadHdl)
792
{
793
ThreadRequest req;
794
InitResult = E_FAIL;
795
796
req.FinishedEvt = CreateEvent(NULL, FALSE, FALSE, NULL);
797
if(req.FinishedEvt == NULL)
798
ERR("Failed to create event: %lu\n", GetLastError());
799
else
800
{
801
ThreadHdl = CreateThread(NULL, 0, MMDevApiMsgProc, &req, 0, &ThreadID);
802
if(ThreadHdl != NULL)
803
InitResult = WaitForResponse(&req);
804
CloseHandle(req.FinishedEvt);
805
}
806
}
807
return SUCCEEDED(InitResult);
808
}
809
810
811
static ALCenum MMDevApiOpenPlayback(ALCdevice *device, const ALCchar *deviceName)
812
{
813
MMDevApiData *data = NULL;
814
HRESULT hr;
815
816
//Initialise requested device
817
data = calloc(1, sizeof(MMDevApiData));
818
if(!data)
819
return ALC_OUT_OF_MEMORY;
820
device->ExtraData = data;
821
822
hr = S_OK;
823
data->hNotifyEvent = CreateEvent(NULL, FALSE, FALSE, NULL);
824
data->MsgEvent = CreateEvent(NULL, FALSE, FALSE, NULL);
825
if(data->hNotifyEvent == NULL || data->MsgEvent == NULL)
826
hr = E_FAIL;
827
828
if(SUCCEEDED(hr))
829
{
830
if(deviceName)
831
{
832
ALuint i;
833
834
if(!PlaybackDeviceList)
835
{
836
ThreadRequest req = { data->MsgEvent, 0 };
837
if(PostThreadMessage(ThreadID, WM_USER_Enumerate, (WPARAM)&req, ALL_DEVICE_PROBE))
838
(void)WaitForResponse(&req);
839
}
840
841
hr = E_FAIL;
842
for(i = 0;i < NumPlaybackDevices;i++)
843
{
844
if(strcmp(deviceName, PlaybackDeviceList[i].name) == 0)
845
{
846
data->devid = strdupW(PlaybackDeviceList[i].devid);
847
hr = S_OK;
848
break;
849
}
850
}
851
}
852
}
853
854
if(SUCCEEDED(hr))
855
{
856
ThreadRequest req = { data->MsgEvent, 0 };
857
858
hr = E_FAIL;
859
if(PostThreadMessage(ThreadID, WM_USER_OpenDevice, (WPARAM)&req, (LPARAM)device))
860
hr = WaitForResponse(&req);
861
}
862
863
if(FAILED(hr))
864
{
865
if(data->hNotifyEvent != NULL)
866
CloseHandle(data->hNotifyEvent);
867
data->hNotifyEvent = NULL;
868
if(data->MsgEvent != NULL)
869
CloseHandle(data->MsgEvent);
870
data->MsgEvent = NULL;
871
872
free(data);
873
device->ExtraData = NULL;
874
875
ERR("Device init failed: 0x%08lx\n", hr);
876
return ALC_INVALID_VALUE;
877
}
878
879
return ALC_NO_ERROR;
880
}
881
882
static void MMDevApiClosePlayback(ALCdevice *device)
883
{
884
MMDevApiData *data = device->ExtraData;
885
ThreadRequest req = { data->MsgEvent, 0 };
886
887
if(PostThreadMessage(ThreadID, WM_USER_CloseDevice, (WPARAM)&req, (LPARAM)device))
888
(void)WaitForResponse(&req);
889
890
CloseHandle(data->MsgEvent);
891
data->MsgEvent = NULL;
892
893
CloseHandle(data->hNotifyEvent);
894
data->hNotifyEvent = NULL;
895
896
free(data->devid);
897
data->devid = NULL;
898
899
free(data);
900
device->ExtraData = NULL;
901
}
902
903
static ALCboolean MMDevApiResetPlayback(ALCdevice *device)
904
{
905
MMDevApiData *data = device->ExtraData;
906
ThreadRequest req = { data->MsgEvent, 0 };
907
HRESULT hr = E_FAIL;
908
909
if(PostThreadMessage(ThreadID, WM_USER_ResetDevice, (WPARAM)&req, (LPARAM)device))
910
hr = WaitForResponse(&req);
911
912
return SUCCEEDED(hr) ? ALC_TRUE : ALC_FALSE;
913
}
914
915
static ALCboolean MMDevApiStartPlayback(ALCdevice *device)
916
{
917
MMDevApiData *data = device->ExtraData;
918
ThreadRequest req = { data->MsgEvent, 0 };
919
HRESULT hr = E_FAIL;
920
921
if(PostThreadMessage(ThreadID, WM_USER_StartDevice, (WPARAM)&req, (LPARAM)device))
922
hr = WaitForResponse(&req);
923
924
return SUCCEEDED(hr) ? ALC_TRUE : ALC_FALSE;
925
}
926
927
static void MMDevApiStopPlayback(ALCdevice *device)
928
{
929
MMDevApiData *data = device->ExtraData;
930
ThreadRequest req = { data->MsgEvent, 0 };
931
932
if(PostThreadMessage(ThreadID, WM_USER_StopDevice, (WPARAM)&req, (LPARAM)device))
933
(void)WaitForResponse(&req);
934
}
935
936
937
static const BackendFuncs MMDevApiFuncs = {
938
MMDevApiOpenPlayback,
939
MMDevApiClosePlayback,
940
MMDevApiResetPlayback,
941
MMDevApiStartPlayback,
942
MMDevApiStopPlayback,
943
NULL,
944
NULL,
945
NULL,
946
NULL,
947
NULL,
948
NULL
949
};
950
951
952
ALCboolean alcMMDevApiInit(BackendFuncs *FuncList)
953
{
954
if(!MMDevApiLoad())
955
return ALC_FALSE;
956
*FuncList = MMDevApiFuncs;
957
return ALC_TRUE;
958
}
959
960
void alcMMDevApiDeinit(void)
961
{
962
ALuint i;
963
964
for(i = 0;i < NumPlaybackDevices;i++)
965
{
966
free(PlaybackDeviceList[i].name);
967
free(PlaybackDeviceList[i].devid);
968
}
969
free(PlaybackDeviceList);
970
PlaybackDeviceList = NULL;
971
NumPlaybackDevices = 0;
972
973
for(i = 0;i < NumCaptureDevices;i++)
974
{
975
free(CaptureDeviceList[i].name);
976
free(CaptureDeviceList[i].devid);
977
}
978
free(CaptureDeviceList);
979
CaptureDeviceList = NULL;
980
NumCaptureDevices = 0;
981
982
if(ThreadHdl)
983
{
984
TRACE("Sending WM_QUIT to Thread %04lx\n", ThreadID);
985
PostThreadMessage(ThreadID, WM_QUIT, 0, 0);
986
CloseHandle(ThreadHdl);
987
ThreadHdl = NULL;
988
}
989
}
990
991
void alcMMDevApiProbe(enum DevProbe type)
992
{
993
ThreadRequest req = { NULL, 0 };
994
HRESULT hr = E_FAIL;
995
996
switch(type)
997
{
998
case ALL_DEVICE_PROBE:
999
req.FinishedEvt = CreateEvent(NULL, FALSE, FALSE, NULL);
1000
if(req.FinishedEvt == NULL)
1001
ERR("Failed to create event: %lu\n", GetLastError());
1002
else if(PostThreadMessage(ThreadID, WM_USER_Enumerate, (WPARAM)&req, type))
1003
hr = WaitForResponse(&req);
1004
if(SUCCEEDED(hr))
1005
{
1006
ALuint i;
1007
for(i = 0;i < NumPlaybackDevices;i++)
1008
{
1009
if(PlaybackDeviceList[i].name)
1010
AppendAllDeviceList(PlaybackDeviceList[i].name);
1011
}
1012
}
1013
break;
1014
1015
case CAPTURE_DEVICE_PROBE:
1016
break;
1017
}
1018
if(req.FinishedEvt != NULL)
1019
CloseHandle(req.FinishedEvt);
1020
req.FinishedEvt = NULL;
1021
}
Loggerhead is a web-based interface for Breezy
Version: 2.0.1