JackCoreAudioDriver.cpp 81.3 KB
Newer Older
sletz's avatar
sletz committed
1
/*
sletz's avatar
sletz committed
2
Copyright (C) 2004-2008 Grame
sletz's avatar
sletz committed
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27

This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.

*/

#include "JackCoreAudioDriver.h"
#include "JackEngineControl.h"
#include "JackMachThread.h"
#include "JackGraphManager.h"
#include "JackError.h"
#include "JackClientControl.h"
#include "JackDriverLoader.h"
#include "JackGlobals.h"
28
#include "JackTools.h"
29
#include "JackCompilerDeps.h"
sletz's avatar
sletz committed
30

sletz's avatar
sletz committed
31
#include <iostream>
sletz's avatar
sletz committed
32
#include <CoreServices/CoreServices.h>
33
#include <CoreFoundation/CFNumber.h>
sletz's avatar
sletz committed
34
35
36
37

namespace Jack
{

sletz's avatar
sletz committed
38
static void Print4CharCode(const char* msg, long c)
39
40
41
{
    UInt32 __4CC_number = (c);
    char __4CC_string[5];
sletz's avatar
sletz committed
42
    *((SInt32*)__4CC_string) = EndianU32_NtoB(__4CC_number);
43
44
45
46
    __4CC_string[4] = 0;
    jack_log("%s'%s'", (msg), __4CC_string);
}

47
48
49
50
51
52
53
54
55
56
57
static void PrintStreamDesc(AudioStreamBasicDescription *inDesc)
{
    jack_log("- - - - - - - - - - - - - - - - - - - -");
    jack_log("  Sample Rate:%f", inDesc->mSampleRate);
    jack_log("  Format ID:%.*s", (int) sizeof(inDesc->mFormatID), (char*)&inDesc->mFormatID);
    jack_log("  Format Flags:%lX", inDesc->mFormatFlags);
    jack_log("  Bytes per Packet:%ld", inDesc->mBytesPerPacket);
    jack_log("  Frames per Packet:%ld", inDesc->mFramesPerPacket);
    jack_log("  Bytes per Frame:%ld", inDesc->mBytesPerFrame);
    jack_log("  Channels per Frame:%ld", inDesc->mChannelsPerFrame);
    jack_log("  Bits per Channel:%ld", inDesc->mBitsPerChannel);
sletz's avatar
sletz committed
58
    jack_log("- - - - - - - - - - - - - - - - - - - -");
59
60
}

sletz's avatar
sletz committed
61
62
63
64
static void printError(OSStatus err)
{
    switch (err) {
        case kAudioHardwareNoError:
sletz's avatar
sletz committed
65
            jack_log("error code : kAudioHardwareNoError");
sletz's avatar
sletz committed
66
67
            break;
        case kAudioConverterErr_FormatNotSupported:
sletz's avatar
sletz committed
68
            jack_log("error code : kAudioConverterErr_FormatNotSupported");
sletz's avatar
sletz committed
69
70
            break;
        case kAudioConverterErr_OperationNotSupported:
sletz's avatar
sletz committed
71
            jack_log("error code : kAudioConverterErr_OperationNotSupported");
sletz's avatar
sletz committed
72
73
            break;
        case kAudioConverterErr_PropertyNotSupported:
sletz's avatar
sletz committed
74
            jack_log("error code : kAudioConverterErr_PropertyNotSupported");
sletz's avatar
sletz committed
75
76
            break;
        case kAudioConverterErr_InvalidInputSize:
sletz's avatar
sletz committed
77
            jack_log("error code : kAudioConverterErr_InvalidInputSize");
sletz's avatar
sletz committed
78
79
            break;
        case kAudioConverterErr_InvalidOutputSize:
sletz's avatar
sletz committed
80
            jack_log("error code : kAudioConverterErr_InvalidOutputSize");
sletz's avatar
sletz committed
81
82
            break;
        case kAudioConverterErr_UnspecifiedError:
sletz's avatar
sletz committed
83
            jack_log("error code : kAudioConverterErr_UnspecifiedError");
sletz's avatar
sletz committed
84
85
            break;
        case kAudioConverterErr_BadPropertySizeError:
sletz's avatar
sletz committed
86
            jack_log("error code : kAudioConverterErr_BadPropertySizeError");
sletz's avatar
sletz committed
87
88
            break;
        case kAudioConverterErr_RequiresPacketDescriptionsError:
sletz's avatar
sletz committed
89
            jack_log("error code : kAudioConverterErr_RequiresPacketDescriptionsError");
sletz's avatar
sletz committed
90
91
            break;
        case kAudioConverterErr_InputSampleRateOutOfRange:
sletz's avatar
sletz committed
92
            jack_log("error code : kAudioConverterErr_InputSampleRateOutOfRange");
sletz's avatar
sletz committed
93
94
            break;
        case kAudioConverterErr_OutputSampleRateOutOfRange:
sletz's avatar
sletz committed
95
            jack_log("error code : kAudioConverterErr_OutputSampleRateOutOfRange");
sletz's avatar
sletz committed
96
97
            break;
        case kAudioHardwareNotRunningError:
sletz's avatar
sletz committed
98
            jack_log("error code : kAudioHardwareNotRunningError");
sletz's avatar
sletz committed
99
100
            break;
        case kAudioHardwareUnknownPropertyError:
sletz's avatar
sletz committed
101
            jack_log("error code : kAudioHardwareUnknownPropertyError");
sletz's avatar
sletz committed
102
103
            break;
        case kAudioHardwareIllegalOperationError:
sletz's avatar
sletz committed
104
            jack_log("error code : kAudioHardwareIllegalOperationError");
sletz's avatar
sletz committed
105
106
            break;
        case kAudioHardwareBadDeviceError:
sletz's avatar
sletz committed
107
            jack_log("error code : kAudioHardwareBadDeviceError");
sletz's avatar
sletz committed
108
109
            break;
        case kAudioHardwareBadStreamError:
sletz's avatar
sletz committed
110
            jack_log("error code : kAudioHardwareBadStreamError");
sletz's avatar
sletz committed
111
112
            break;
        case kAudioDeviceUnsupportedFormatError:
sletz's avatar
sletz committed
113
            jack_log("error code : kAudioDeviceUnsupportedFormatError");
sletz's avatar
sletz committed
114
115
            break;
        case kAudioDevicePermissionsError:
sletz's avatar
sletz committed
116
            jack_log("error code : kAudioDevicePermissionsError");
117
            break;
sletz's avatar
sletz committed
118
        case kAudioHardwareBadObjectError:
sletz's avatar
sletz committed
119
            jack_log("error code : kAudioHardwareBadObjectError");
120
            break;
sletz's avatar
sletz committed
121
        case kAudioHardwareUnsupportedOperationError:
sletz's avatar
sletz committed
122
            jack_log("error code : kAudioHardwareUnsupportedOperationError");
sletz's avatar
sletz committed
123
124
            break;
        default:
125
            Print4CharCode("error code : unknown", err);
sletz's avatar
sletz committed
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
            break;
    }
}

static OSStatus DisplayDeviceNames()
{
    UInt32 size;
    Boolean isWritable;
    int i, deviceNum;
    OSStatus err;
    CFStringRef UIname;

    err = AudioHardwareGetPropertyInfo(kAudioHardwarePropertyDevices, &size, &isWritable);
    if (err != noErr)
        return err;

    deviceNum = size / sizeof(AudioDeviceID);
    AudioDeviceID devices[deviceNum];

    err = AudioHardwareGetProperty(kAudioHardwarePropertyDevices, &size, devices);
    if (err != noErr)
        return err;

    for (i = 0; i < deviceNum; i++) {
        char device_name[256];
        char internal_name[256];

        size = sizeof(CFStringRef);
        UIname = NULL;
        err = AudioDeviceGetProperty(devices[i], 0, false, kAudioDevicePropertyDeviceUID, &size, &UIname);
        if (err == noErr) {
            CFStringGetCString(UIname, internal_name, 256, CFStringGetSystemEncoding());
        } else {
            goto error;
        }

        size = 256;
        err = AudioDeviceGetProperty(devices[i], 0, false, kAudioDevicePropertyDeviceName, &size, device_name);
        if (err != noErr)
            return err;

sletz's avatar
sletz committed
167
        jack_info("Device name = \'%s\', internal_name = \'%s\' (to be used as -C, -P, or -d parameter)", device_name, internal_name);
sletz's avatar
sletz committed
168
169
170
171
172
173
174
175
176
177
    }

    return noErr;

error:
    if (UIname != NULL)
        CFRelease(UIname);
    return err;
}

178
179
180
181
182
183
184
185
static CFStringRef GetDeviceName(AudioDeviceID id)
{
    UInt32 size = sizeof(CFStringRef);
    CFStringRef UIname;
    OSStatus err = AudioDeviceGetProperty(id, 0, false, kAudioDevicePropertyDeviceUID, &size, &UIname);
    return (err == noErr) ? UIname : NULL;
}

sletz's avatar
sletz committed
186
187
188
189
190
191
192
OSStatus JackCoreAudioDriver::Render(void *inRefCon,
                                     AudioUnitRenderActionFlags *ioActionFlags,
                                     const AudioTimeStamp *inTimeStamp,
                                     UInt32 inBusNumber,
                                     UInt32 inNumberFrames,
                                     AudioBufferList *ioData)
{
sletz's avatar
sletz committed
193
194
195
196
    JackCoreAudioDriver* driver = (JackCoreAudioDriver*)inRefCon;
    driver->fActionFags = ioActionFlags;
    driver->fCurrentTime = (AudioTimeStamp *)inTimeStamp;
    driver->fDriverOutputData = ioData;
sletz's avatar
sletz committed
197

198
199
    // Setup threadded based log function once...
    if (set_threaded_log_function()) {
sletz's avatar
sletz committed
200

201
202
        jack_log("set_threaded_log_function");
        JackMachThread::GetParams(pthread_self(), &driver->fEngineControl->fPeriod, &driver->fEngineControl->fComputation, &driver->fEngineControl->fConstraint);
sletz's avatar
sletz committed
203

204
205
206
207
        if (driver->fComputationGrain > 0) {
            jack_log("JackCoreAudioDriver::Render : RT thread computation setup to %d percent of period", int(driver->fComputationGrain * 100));
            driver->fEngineControl->fComputation = driver->fEngineControl->fPeriod * driver->fComputationGrain;
        }
sletz's avatar
sletz committed
208

209
210
211
        // Signal waiting start function...
        driver->fState = true;
    }
sletz's avatar
sletz committed
212

sletz's avatar
sletz committed
213
    driver->CycleTakeBeginTime();
sletz's avatar
sletz committed
214
215
216
217
218
    return driver->Process();
}

int JackCoreAudioDriver::Read()
{
sletz's avatar
sletz committed
219
220
    OSStatus err = AudioUnitRender(fAUHAL, fActionFags, fCurrentTime, 1, fEngineControl->fBufferSize, fJackInputData);
    return (err == noErr) ? 0 : -1;
sletz's avatar
sletz committed
221
222
223
224
225
226
}

int JackCoreAudioDriver::Write()
{
    for (int i = 0; i < fPlaybackChannels; i++) {
        if (fGraphManager->GetConnectionsNum(fPlaybackPortList[i]) > 0) {
227
228
229
            jack_default_audio_sample_t* buffer = GetOutputBuffer(i);
            int size = sizeof(jack_default_audio_sample_t) * fEngineControl->fBufferSize;
            memcpy((jack_default_audio_sample_t*)fDriverOutputData->mBuffers[i].mData, buffer, size);
sletz's avatar
sletz committed
230
231
232
233
            // Monitor ports
            if (fWithMonitorPorts && fGraphManager->GetConnectionsNum(fMonitorPortList[i]) > 0)
                memcpy(GetMonitorBuffer(i), buffer, size);
        } else {
234
            memset((jack_default_audio_sample_t*)fDriverOutputData->mBuffers[i].mData, 0, sizeof(jack_default_audio_sample_t) * fEngineControl->fBufferSize);
sletz's avatar
sletz committed
235
236
237
238
239
        }
    }
    return 0;
}

240
OSStatus JackCoreAudioDriver::SRNotificationCallback(AudioDeviceID inDevice,
241
242
243
244
                                                    UInt32 inChannel,
                                                    Boolean	isInput,
                                                    AudioDevicePropertyID inPropertyID,
                                                    void* inClientData)
245
{
sletz's avatar
sletz committed
246
247
248
249
250
    JackCoreAudioDriver* driver = (JackCoreAudioDriver*)inClientData;

    switch (inPropertyID) {

        case kAudioDevicePropertyNominalSampleRate: {
sletz's avatar
sletz committed
251
            jack_log("JackCoreAudioDriver::SRNotificationCallback kAudioDevicePropertyNominalSampleRate");
sletz's avatar
sletz committed
252
            driver->fState = true;
253
254
255
256
257
258
259
260
261
262
            // Check new sample rate
            Float64 sampleRate;
            UInt32 outSize =  sizeof(Float64);
            OSStatus err = AudioDeviceGetProperty(inDevice, 0, kAudioDeviceSectionGlobal, kAudioDevicePropertyNominalSampleRate, &outSize, &sampleRate);
            if (err != noErr) {
                jack_error("Cannot get current sample rate");
                printError(err);
            } else {
                jack_log("SRNotificationCallback : checked sample rate = %f", sampleRate);
            }
sletz's avatar
sletz committed
263
264
265
266
267
            break;
        }
    }

    return noErr;
268
269
}

sletz's avatar
sletz committed
270
// A better implementation would possibly try to recover in case of hardware device change (see HALLAB HLFilePlayerWindowControllerAudioDevicePropertyListenerProc code)
sletz's avatar
sletz committed
271
OSStatus JackCoreAudioDriver::DeviceNotificationCallback(AudioDeviceID inDevice,
272
273
274
275
                                                        UInt32 inChannel,
                                                        Boolean	isInput,
                                                        AudioDevicePropertyID inPropertyID,
                                                        void* inClientData)
sletz's avatar
sletz committed
276
277
{
    JackCoreAudioDriver* driver = (JackCoreAudioDriver*)inClientData;
sletz's avatar
sletz committed
278

sletz's avatar
sletz committed
279
    switch (inPropertyID) {
sletz's avatar
sletz committed
280

281
282
283
284
285
286
287
288
        case kAudioDevicePropertyDeviceIsRunning: {
            UInt32 isrunning = 0;
            UInt32 outsize = sizeof(UInt32);
            if (AudioDeviceGetProperty(driver->fDeviceID, 0, kAudioDeviceSectionGlobal, kAudioDevicePropertyDeviceIsRunning, &outsize, &isrunning) == noErr) {
                jack_log("JackCoreAudioDriver::DeviceNotificationCallback kAudioDevicePropertyDeviceIsRunning = %d", isrunning);
            }
            break;
        }
sletz's avatar
sletz committed
289

sletz's avatar
sletz committed
290
        case kAudioDeviceProcessorOverload: {
291
            jack_error("JackCoreAudioDriver::DeviceNotificationCallback kAudioDeviceProcessorOverload");
292
            jack_time_t cur_time = GetMicroSeconds();
sletz's avatar
sletz committed
293
            driver->NotifyXRun(cur_time, float(cur_time - driver->fBeginDateUst));   // Better this value than nothing...
sletz's avatar
sletz committed
294
            break;
295
        }
sletz's avatar
sletz committed
296

sletz's avatar
sletz committed
297
        case kAudioDevicePropertyStreamConfiguration: {
298
            jack_error("Cannot handle kAudioDevicePropertyStreamConfiguration : server will quit...");
299
            driver->NotifyFailure(JackBackendError, "Another application has changed the device configuration.");   // Message length limited to JACK_MESSAGE_SIZE
300
            driver->CloseAUHAL();
301
            kill(JackTools::GetPID(), SIGINT);
302
            return kAudioHardwareUnsupportedOperationError;
303
        }
sletz's avatar
sletz committed
304

305
        case kAudioDevicePropertyNominalSampleRate: {
306
            Float64 sampleRate = 0;
307
            UInt32 outsize = sizeof(Float64);
308
309
            OSStatus err = AudioDeviceGetProperty(driver->fDeviceID, 0, kAudioDeviceSectionGlobal, kAudioDevicePropertyNominalSampleRate, &outsize, &sampleRate);
            if (err != noErr)
310
                return kAudioHardwareUnsupportedOperationError;
sletz's avatar
sletz committed
311

312
313
314
            char device_name[256];
            const char* digidesign_name = "Digidesign";
            driver->GetDeviceNameFromID(driver->fDeviceID, device_name);
sletz's avatar
sletz committed
315

316
            if (sampleRate != driver->fEngineControl->fSampleRate) {
sletz's avatar
sletz committed
317

318
319
               // Digidesign hardware, so "special" code : change the SR again here
               if (strncmp(device_name, digidesign_name, sizeof(digidesign_name)) == 0) {
sletz's avatar
sletz committed
320

321
                    jack_log("Digidesign HW = %s", device_name);
sletz's avatar
sletz committed
322

323
324
325
326
327
328
329
330
331
                    // Set sample rate again...
                    sampleRate = driver->fEngineControl->fSampleRate;
                    err = AudioDeviceSetProperty(driver->fDeviceID, NULL, 0, kAudioDeviceSectionGlobal, kAudioDevicePropertyNominalSampleRate, outsize, &sampleRate);
                    if (err != noErr) {
                        jack_error("Cannot set sample rate = %f", sampleRate);
                        printError(err);
                    } else {
                        jack_log("Set sample rate = %f", sampleRate);
                    }
sletz's avatar
sletz committed
332

333
334
335
336
337
338
339
340
341
342
                    // Check new sample rate again...
                    outsize = sizeof(Float64);
                    err = AudioDeviceGetProperty(inDevice, 0, kAudioDeviceSectionGlobal, kAudioDevicePropertyNominalSampleRate, &outsize, &sampleRate);
                    if (err != noErr) {
                        jack_error("Cannot get current sample rate");
                        printError(err);
                    } else {
                        jack_log("Checked sample rate = %f", sampleRate);
                    }
                    return noErr;
sletz's avatar
sletz committed
343

344
345
346
347
348
349
                } else {
                    driver->NotifyFailure(JackBackendError, "Another application has changed the sample rate.");    // Message length limited to JACK_MESSAGE_SIZE
                    driver->CloseAUHAL();
                    kill(JackTools::GetPID(), SIGINT);
                    return kAudioHardwareUnsupportedOperationError;
                }
350
351
            }
        }
sletz's avatar
sletz committed
352

sletz's avatar
sletz committed
353
    }
sletz's avatar
sletz committed
354
355
356
357
358
359
360
361
362
363
364
365
366
367
    return noErr;
}

OSStatus JackCoreAudioDriver::GetDeviceIDFromUID(const char* UID, AudioDeviceID* id)
{
    UInt32 size = sizeof(AudioValueTranslation);
    CFStringRef inIUD = CFStringCreateWithCString(NULL, UID, CFStringGetSystemEncoding());
    AudioValueTranslation value = { &inIUD, sizeof(CFStringRef), id, sizeof(AudioDeviceID) };

    if (inIUD == NULL) {
        return kAudioHardwareUnspecifiedError;
    } else {
        OSStatus res = AudioHardwareGetProperty(kAudioHardwarePropertyDeviceForUID, &size, &value);
        CFRelease(inIUD);
368
        jack_log("GetDeviceIDFromUID %s %ld", UID, *id);
sletz's avatar
sletz committed
369
370
371
372
373
374
375
376
377
378
379
        return (*id == kAudioDeviceUnknown) ? kAudioHardwareBadDeviceError : res;
    }
}

OSStatus JackCoreAudioDriver::GetDefaultDevice(AudioDeviceID* id)
{
    OSStatus res;
    UInt32 theSize = sizeof(UInt32);
    AudioDeviceID inDefault;
    AudioDeviceID outDefault;

sletz's avatar
Cleanup    
sletz committed
380
    if ((res = AudioHardwareGetProperty(kAudioHardwarePropertyDefaultInputDevice, &theSize, &inDefault)) != noErr)
sletz's avatar
sletz committed
381
382
        return res;

sletz's avatar
Cleanup    
sletz committed
383
    if ((res = AudioHardwareGetProperty(kAudioHardwarePropertyDefaultOutputDevice, &theSize, &outDefault)) != noErr)
sletz's avatar
sletz committed
384
385
        return res;

sletz's avatar
sletz committed
386
    jack_log("GetDefaultDevice: input = %ld output = %ld", inDefault, outDefault);
sletz's avatar
sletz committed
387

388
    // Get the device only if default input and output are the same
sletz's avatar
sletz committed
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
    if (inDefault == outDefault) {
        *id = inDefault;
        return noErr;
    } else {
        jack_error("Default input and output devices are not the same !!");
        return kAudioHardwareBadDeviceError;
    }
}

OSStatus JackCoreAudioDriver::GetDefaultInputDevice(AudioDeviceID* id)
{
    OSStatus res;
    UInt32 theSize = sizeof(UInt32);
    AudioDeviceID inDefault;

sletz's avatar
Cleanup    
sletz committed
404
    if ((res = AudioHardwareGetProperty(kAudioHardwarePropertyDefaultInputDevice, &theSize, &inDefault)) != noErr)
sletz's avatar
sletz committed
405
406
        return res;

sletz's avatar
sletz committed
407
408
409
410
    if (inDefault == 0) {
        jack_error("Error : input device is 0, please select a correct one !!");
        return -1;
    }
sletz's avatar
sletz committed
411
    jack_log("GetDefaultInputDevice: input = %ld ", inDefault);
sletz's avatar
sletz committed
412
413
414
415
416
417
418
419
420
421
    *id = inDefault;
    return noErr;
}

OSStatus JackCoreAudioDriver::GetDefaultOutputDevice(AudioDeviceID* id)
{
    OSStatus res;
    UInt32 theSize = sizeof(UInt32);
    AudioDeviceID outDefault;

sletz's avatar
Cleanup    
sletz committed
422
    if ((res = AudioHardwareGetProperty(kAudioHardwarePropertyDefaultOutputDevice, &theSize, &outDefault)) != noErr)
sletz's avatar
sletz committed
423
424
        return res;

sletz's avatar
sletz committed
425
426
427
428
    if (outDefault == 0) {
        jack_error("Error : output device is 0, please select a correct one !!");
        return -1;
    }
sletz's avatar
sletz committed
429
    jack_log("GetDefaultOutputDevice: output = %ld", outDefault);
sletz's avatar
sletz committed
430
431
432
433
434
435
436
437
438
439
    *id = outDefault;
    return noErr;
}

OSStatus JackCoreAudioDriver::GetDeviceNameFromID(AudioDeviceID id, char* name)
{
    UInt32 size = 256;
    return AudioDeviceGetProperty(id, 0, false, kAudioDevicePropertyDeviceName, &size, name);
}

440
OSStatus JackCoreAudioDriver::GetTotalChannels(AudioDeviceID device, int& channelCount, bool isInput)
sletz's avatar
sletz committed
441
{
442
    OSStatus err = noErr;
sletz's avatar
sletz committed
443
444
    UInt32	outSize;
    Boolean	outWritable;
sletz's avatar
sletz committed
445

446
    channelCount = 0;
sletz's avatar
sletz committed
447
448
    err = AudioDeviceGetPropertyInfo(device, 0, isInput, kAudioDevicePropertyStreamConfiguration, &outSize, &outWritable);
    if (err == noErr) {
449
        AudioBufferList bufferList[outSize];
sletz's avatar
sletz committed
450
451
        err = AudioDeviceGetProperty(device, 0, isInput, kAudioDevicePropertyStreamConfiguration, &outSize, bufferList);
        if (err == noErr) {
452
            for (unsigned int i = 0; i < bufferList->mNumberBuffers; i++)
453
                channelCount += bufferList->mBuffers[i].mNumberChannels;
sletz's avatar
sletz committed
454
455
456
457
458
        }
    }
    return err;
}

sletz's avatar
sletz committed
459
JackCoreAudioDriver::JackCoreAudioDriver(const char* name, const char* alias, JackLockedEngine* engine, JackSynchro* table)
sletz's avatar
sletz committed
460
461
462
463
464
        : JackAudioDriver(name, alias, engine, table),
        fJackInputData(NULL),
        fDriverOutputData(NULL),
        fPluginID(0),
        fState(false),
465
466
        fHogged(false),
        fIOUsage(1.f),
nedko's avatar
nedko committed
467
468
        fComputationGrain(-1.f),
        fClockDriftCompensate(false)
sletz's avatar
Cleanup    
sletz committed
469
{}
sletz's avatar
sletz committed
470
471

JackCoreAudioDriver::~JackCoreAudioDriver()
sletz's avatar
Cleanup    
sletz committed
472
{}
473

sletz's avatar
sletz committed
474
OSStatus JackCoreAudioDriver::DestroyAggregateDevice()
475
476
477
478
479
480
481
{
    OSStatus osErr = noErr;
    AudioObjectPropertyAddress pluginAOPA;
    pluginAOPA.mSelector = kAudioPlugInDestroyAggregateDevice;
    pluginAOPA.mScope = kAudioObjectPropertyScopeGlobal;
    pluginAOPA.mElement = kAudioObjectPropertyElementMaster;
    UInt32 outDataSize;
sletz's avatar
sletz committed
482

483
    if (fPluginID > 0)   {
sletz's avatar
sletz committed
484

485
486
487
488
489
490
        osErr = AudioObjectGetPropertyDataSize(fPluginID, &pluginAOPA, 0, NULL, &outDataSize);
        if (osErr != noErr) {
            jack_error("JackCoreAudioDriver::DestroyAggregateDevice : AudioObjectGetPropertyDataSize error");
            printError(osErr);
            return osErr;
        }
sletz's avatar
sletz committed
491

492
493
494
495
496
497
        osErr = AudioObjectGetPropertyData(fPluginID, &pluginAOPA, 0, NULL, &outDataSize, &fDeviceID);
        if (osErr != noErr) {
            jack_error("JackCoreAudioDriver::DestroyAggregateDevice : AudioObjectGetPropertyData error");
            printError(osErr);
            return osErr;
        }
sletz's avatar
sletz committed
498

499
    }
sletz's avatar
sletz committed
500

501
502
    return noErr;
}
sletz's avatar
sletz committed
503
504

OSStatus JackCoreAudioDriver::CreateAggregateDevice(AudioDeviceID captureDeviceID, AudioDeviceID playbackDeviceID, jack_nframes_t samplerate, AudioDeviceID* outAggregateDevice)
505
{
506
507
508
    OSStatus err = noErr;
    AudioObjectID sub_device[32];
    UInt32 outSize = sizeof(sub_device);
sletz's avatar
sletz committed
509

510
511
    err = AudioDeviceGetProperty(captureDeviceID, 0, kAudioDeviceSectionGlobal, kAudioAggregateDevicePropertyActiveSubDeviceList, &outSize, sub_device);
    vector<AudioDeviceID> captureDeviceIDArray;
sletz's avatar
sletz committed
512

513
514
515
516
517
518
519
520
521
522
    if (err != noErr) {
        jack_log("Input device does not have subdevices");
        captureDeviceIDArray.push_back(captureDeviceID);
    } else {
        int num_devices = outSize / sizeof(AudioObjectID);
        jack_log("Input device has %d subdevices", num_devices);
        for (int i = 0; i < num_devices; i++) {
            captureDeviceIDArray.push_back(sub_device[i]);
        }
    }
sletz's avatar
sletz committed
523
524

    err = AudioDeviceGetProperty(playbackDeviceID, 0, kAudioDeviceSectionGlobal, kAudioAggregateDevicePropertyActiveSubDeviceList, &outSize, sub_device);
525
    vector<AudioDeviceID> playbackDeviceIDArray;
sletz's avatar
sletz committed
526

527
528
529
530
531
532
533
534
535
    if (err != noErr) {
        jack_log("Output device does not have subdevices");
        playbackDeviceIDArray.push_back(playbackDeviceID);
    } else {
        int num_devices = outSize / sizeof(AudioObjectID);
        jack_log("Output device has %d subdevices", num_devices);
        for (int i = 0; i < num_devices; i++) {
            playbackDeviceIDArray.push_back(sub_device[i]);
        }
536
    }
sletz's avatar
sletz committed
537

538
539
540
    return CreateAggregateDeviceAux(captureDeviceIDArray, playbackDeviceIDArray, samplerate, outAggregateDevice);
}

sletz's avatar
sletz committed
541
OSStatus JackCoreAudioDriver::CreateAggregateDeviceAux(vector<AudioDeviceID> captureDeviceID, vector<AudioDeviceID> playbackDeviceID, jack_nframes_t samplerate, AudioDeviceID* outAggregateDevice)
542
543
544
545
{
    OSStatus osErr = noErr;
    UInt32 outSize;
    Boolean outWritable;
sletz's avatar
sletz committed
546

sletz's avatar
sletz committed
547
    // Prepare sub-devices for clock drift compensation
548
549
550
551
552
    // Workaround for bug in the HAL : until 10.6.2
    AudioObjectPropertyAddress theAddressOwned = { kAudioObjectPropertyOwnedObjects, kAudioObjectPropertyScopeGlobal, kAudioObjectPropertyElementMaster };
    AudioObjectPropertyAddress theAddressDrift = { kAudioSubDevicePropertyDriftCompensation, kAudioObjectPropertyScopeGlobal, kAudioObjectPropertyElementMaster };
    UInt32 theQualifierDataSize = sizeof(AudioObjectID);
    AudioClassID inClass = kAudioSubDeviceClassID;
sletz's avatar
sletz committed
553
    void* theQualifierData = &inClass;
554
    UInt32 subDevicesNum = 0;
sletz's avatar
sletz committed
555

556
557
558
    //---------------------------------------------------------------------------
    // Setup SR of both devices otherwise creating AD may fail...
    //---------------------------------------------------------------------------
559
560
561
    UInt32 keptclockdomain = 0;
    UInt32 clockdomain = 0;
    outSize = sizeof(UInt32);
562
    bool need_clock_drift_compensation = false;
sletz's avatar
sletz committed
563

564
565
566
    for (UInt32 i = 0; i < captureDeviceID.size(); i++) {
        if (SetupSampleRateAux(captureDeviceID[i], samplerate) < 0) {
            jack_error("JackCoreAudioDriver::CreateAggregateDevice : cannot set SR of input device");
567
568
        } else  {
            // Check clock domain
sletz's avatar
sletz committed
569
            osErr = AudioDeviceGetProperty(captureDeviceID[i], 0, kAudioDeviceSectionGlobal, kAudioDevicePropertyClockDomain, &outSize, &clockdomain);
570
571
572
573
            if (osErr != 0) {
                jack_error("JackCoreAudioDriver::CreateAggregateDevice : kAudioDevicePropertyClockDomain error");
                printError(osErr);
            } else {
sletz's avatar
sletz committed
574
                keptclockdomain = (keptclockdomain == 0) ? clockdomain : keptclockdomain;
575
576
577
                jack_log("JackCoreAudioDriver::CreateAggregateDevice : input clockdomain = %d", clockdomain);
                if (clockdomain != 0 && clockdomain != keptclockdomain) {
                    jack_error("JackCoreAudioDriver::CreateAggregateDevice : devices do not share the same clock!! clock drift compensation would be needed...");
578
                    need_clock_drift_compensation = true;
579
580
                }
            }
581
        }
582
    }
sletz's avatar
sletz committed
583

584
585
586
    for (UInt32 i = 0; i < playbackDeviceID.size(); i++) {
        if (SetupSampleRateAux(playbackDeviceID[i], samplerate) < 0) {
            jack_error("JackCoreAudioDriver::CreateAggregateDevice : cannot set SR of output device");
587
588
        } else {
            // Check clock domain
sletz's avatar
sletz committed
589
            osErr = AudioDeviceGetProperty(playbackDeviceID[i], 0, kAudioDeviceSectionGlobal, kAudioDevicePropertyClockDomain, &outSize, &clockdomain);
590
591
592
593
            if (osErr != 0) {
                jack_error("JackCoreAudioDriver::CreateAggregateDevice : kAudioDevicePropertyClockDomain error");
                printError(osErr);
            } else {
sletz's avatar
sletz committed
594
                keptclockdomain = (keptclockdomain == 0) ? clockdomain : keptclockdomain;
595
596
597
                jack_log("JackCoreAudioDriver::CreateAggregateDevice : output clockdomain = %d", clockdomain);
                if (clockdomain != 0 && clockdomain != keptclockdomain) {
                    jack_error("JackCoreAudioDriver::CreateAggregateDevice : devices do not share the same clock!! clock drift compensation would be needed...");
598
                    need_clock_drift_compensation = true;
599
600
                }
            }
601
        }
602
    }
sletz's avatar
sletz committed
603

604
605
606
607
    // If no valid clock domain was found, then assume we have to compensate...
    if (keptclockdomain == 0) {
        need_clock_drift_compensation = true;
    }
608

609
    //---------------------------------------------------------------------------
610
    // Start to create a new aggregate by getting the base audio hardware plugin
sletz's avatar
sletz committed
611
    //---------------------------------------------------------------------------
sletz's avatar
sletz committed
612

613
614
615
616
617
    char device_name[256];
    for (UInt32 i = 0; i < captureDeviceID.size(); i++) {
        GetDeviceNameFromID(captureDeviceID[i], device_name);
        jack_info("Separated input = '%s' ", device_name);
    }
sletz's avatar
sletz committed
618

619
620
621
622
    for (UInt32 i = 0; i < playbackDeviceID.size(); i++) {
        GetDeviceNameFromID(playbackDeviceID[i], device_name);
        jack_info("Separated output = '%s' ", device_name);
    }
sletz's avatar
sletz committed
623

624
    osErr = AudioHardwareGetPropertyInfo(kAudioHardwarePropertyPlugInForBundleID, &outSize, &outWritable);
625
626
627
    if (osErr != noErr) {
        jack_error("JackCoreAudioDriver::CreateAggregateDevice : AudioHardwareGetPropertyInfo kAudioHardwarePropertyPlugInForBundleID error");
        printError(osErr);
628
        return osErr;
629
    }
630
631
632
633

    AudioValueTranslation pluginAVT;

    CFStringRef inBundleRef = CFSTR("com.apple.audio.CoreAudio");
sletz's avatar
sletz committed
634

635
636
    pluginAVT.mInputData = &inBundleRef;
    pluginAVT.mInputDataSize = sizeof(inBundleRef);
637
638
    pluginAVT.mOutputData = &fPluginID;
    pluginAVT.mOutputDataSize = sizeof(fPluginID);
639
640

    osErr = AudioHardwareGetProperty(kAudioHardwarePropertyPlugInForBundleID, &outSize, &pluginAVT);
641
642
643
    if (osErr != noErr) {
        jack_error("JackCoreAudioDriver::CreateAggregateDevice : AudioHardwareGetProperty kAudioHardwarePropertyPlugInForBundleID error");
        printError(osErr);
644
        return osErr;
645
    }
646

647
    //-------------------------------------------------
648
    // Create a CFDictionary for our aggregate device
649
    //-------------------------------------------------
650
651
652
653
654

    CFMutableDictionaryRef aggDeviceDict = CFDictionaryCreateMutable(NULL, 0, &kCFTypeDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks);

    CFStringRef AggregateDeviceNameRef = CFSTR("JackDuplex");
    CFStringRef AggregateDeviceUIDRef = CFSTR("com.grame.JackDuplex");
sletz's avatar
sletz committed
655

656
657
658
659
660
    // add the name of the device to the dictionary
    CFDictionaryAddValue(aggDeviceDict, CFSTR(kAudioAggregateDeviceNameKey), AggregateDeviceNameRef);

    // add our choice of UID for the aggregate device to the dictionary
    CFDictionaryAddValue(aggDeviceDict, CFSTR(kAudioAggregateDeviceUIDKey), AggregateDeviceUIDRef);
sletz's avatar
sletz committed
661

662
663
664
    // add a "private aggregate key" to the dictionary
    int value = 1;
    CFNumberRef AggregateDeviceNumberRef = CFNumberCreate(NULL, kCFNumberIntType, &value);
sletz's avatar
sletz committed
665

666
667
    SInt32 system;
    Gestalt(gestaltSystemVersion, &system);
sletz's avatar
sletz committed
668

669
    jack_log("JackCoreAudioDriver::CreateAggregateDevice : system version = %x limit = %x", system, 0x00001054);
sletz's avatar
sletz committed
670

671
    // Starting with 10.5.4 systems, the AD can be internal... (better)
672
673
674
675
    if (system < 0x00001054) {
        jack_log("JackCoreAudioDriver::CreateAggregateDevice : public aggregate device....");
    } else {
        jack_log("JackCoreAudioDriver::CreateAggregateDevice : private aggregate device....");
676
677
        CFDictionaryAddValue(aggDeviceDict, CFSTR(kAudioAggregateDeviceIsPrivateKey), AggregateDeviceNumberRef);
    }
sletz's avatar
sletz committed
678

679
    // Prepare sub-devices for clock drift compensation
680
    CFMutableArrayRef subDevicesArrayClock = NULL;
sletz's avatar
sletz committed
681

682
683
684
685
    /*
    if (fClockDriftCompensate) {
        if (need_clock_drift_compensation) {
            jack_info("Clock drift compensation activated...");
686
            subDevicesArrayClock = CFArrayCreateMutable(NULL, 0, &kCFTypeArrayCallBacks);
sletz's avatar
sletz committed
687

688
            for (UInt32 i = 0; i < captureDeviceID.size(); i++) {
689
690
691
692
693
694
695
                CFStringRef UID = GetDeviceName(captureDeviceID[i]);
                if (UID) {
                    CFMutableDictionaryRef subdeviceAggDeviceDict = CFDictionaryCreateMutable(NULL, 0, &kCFTypeDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks);
                    CFDictionaryAddValue(subdeviceAggDeviceDict, CFSTR(kAudioSubDeviceUIDKey), UID);
                    CFDictionaryAddValue(subdeviceAggDeviceDict, CFSTR(kAudioSubDeviceDriftCompensationKey), AggregateDeviceNumberRef);
                    //CFRelease(UID);
                    CFArrayAppendValue(subDevicesArrayClock, subdeviceAggDeviceDict);
696
697
                }
            }
sletz's avatar
sletz committed
698

699
700
701
702
703
704
705
706
            for (UInt32 i = 0; i < playbackDeviceID.size(); i++) {
                CFStringRef UID = GetDeviceName(playbackDeviceID[i]);
                if (UID) {
                    CFMutableDictionaryRef subdeviceAggDeviceDict = CFDictionaryCreateMutable(NULL, 0, &kCFTypeDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks);
                    CFDictionaryAddValue(subdeviceAggDeviceDict, CFSTR(kAudioSubDeviceUIDKey), UID);
                    CFDictionaryAddValue(subdeviceAggDeviceDict, CFSTR(kAudioSubDeviceDriftCompensationKey), AggregateDeviceNumberRef);
                    //CFRelease(UID);
                    CFArrayAppendValue(subDevicesArrayClock, subdeviceAggDeviceDict);
707
708
                }
            }
sletz's avatar
sletz committed
709

710
711
            // add sub-device clock array for the aggregate device to the dictionary
            CFDictionaryAddValue(aggDeviceDict, CFSTR(kAudioAggregateDeviceSubDeviceListKey), subDevicesArrayClock);
712
        } else {
713
            jack_info("Clock drift compensation was asked but is not needed (devices use the same clock domain)");
714
715
        }
    }
716
    */
sletz's avatar
sletz committed
717

718
719
720
    //-------------------------------------------------
    // Create a CFMutableArray for our sub-device list
    //-------------------------------------------------
sletz's avatar
sletz committed
721

722
723
    // we need to append the UID for each device to a CFMutableArray, so create one here
    CFMutableArrayRef subDevicesArray = CFArrayCreateMutable(NULL, 0, &kCFTypeArrayCallBacks);
sletz's avatar
sletz committed
724

725
726
727
728
729
730
731
732
733
    vector<CFStringRef> captureDeviceUID;
    for (UInt32 i = 0; i < captureDeviceID.size(); i++) {
        CFStringRef ref = GetDeviceName(captureDeviceID[i]);
        if (ref == NULL)
            return -1;
        captureDeviceUID.push_back(ref);
        // input sub-devices in this example, so append the sub-device's UID to the CFArray
        CFArrayAppendValue(subDevicesArray, ref);
   }
sletz's avatar
sletz committed
734

735
736
737
738
739
740
741
742
743
    vector<CFStringRef> playbackDeviceUID;
    for (UInt32 i = 0; i < playbackDeviceID.size(); i++) {
        CFStringRef ref = GetDeviceName(playbackDeviceID[i]);
        if (ref == NULL)
            return -1;
        playbackDeviceUID.push_back(ref);
        // output sub-devices in this example, so append the sub-device's UID to the CFArray
        CFArrayAppendValue(subDevicesArray, ref);
    }
sletz's avatar
sletz committed
744

745
746
747
    //-----------------------------------------------------------------------
    // Feed the dictionary to the plugin, to create a blank aggregate device
    //-----------------------------------------------------------------------
sletz's avatar
sletz committed
748

749
750
751
752
753
754
    AudioObjectPropertyAddress pluginAOPA;
    pluginAOPA.mSelector = kAudioPlugInCreateAggregateDevice;
    pluginAOPA.mScope = kAudioObjectPropertyScopeGlobal;
    pluginAOPA.mElement = kAudioObjectPropertyElementMaster;
    UInt32 outDataSize;

755
    osErr = AudioObjectGetPropertyDataSize(fPluginID, &pluginAOPA, 0, NULL, &outDataSize);
756
757
758
    if (osErr != noErr) {
        jack_error("JackCoreAudioDriver::CreateAggregateDevice : AudioObjectGetPropertyDataSize error");
        printError(osErr);
759
        goto error;
760
    }
sletz's avatar
sletz committed
761

762
    osErr = AudioObjectGetPropertyData(fPluginID, &pluginAOPA, sizeof(aggDeviceDict), &aggDeviceDict, &outDataSize, outAggregateDevice);
763
764
765
    if (osErr != noErr) {
        jack_error("JackCoreAudioDriver::CreateAggregateDevice : AudioObjectGetPropertyData error");
        printError(osErr);
766
        goto error;
767
    }
768
769
770
771
772
773
774
775
776
777
778
779
780
781

    // pause for a bit to make sure that everything completed correctly
    // this is to work around a bug in the HAL where a new aggregate device seems to disappear briefly after it is created
    CFRunLoopRunInMode(kCFRunLoopDefaultMode, 0.1, false);

    //-------------------------
    // Set the sub-device list
    //-------------------------

    pluginAOPA.mSelector = kAudioAggregateDevicePropertyFullSubDeviceList;
    pluginAOPA.mScope = kAudioObjectPropertyScopeGlobal;
    pluginAOPA.mElement = kAudioObjectPropertyElementMaster;
    outDataSize = sizeof(CFMutableArrayRef);
    osErr = AudioObjectSetPropertyData(*outAggregateDevice, &pluginAOPA, 0, NULL, outDataSize, &subDevicesArray);
782
783
784
    if (osErr != noErr) {
        jack_error("JackCoreAudioDriver::CreateAggregateDevice : AudioObjectSetPropertyData for sub-device list error");
        printError(osErr);
785
        goto error;
786
    }
sletz's avatar
sletz committed
787

788
789
    // pause again to give the changes time to take effect
    CFRunLoopRunInMode(kCFRunLoopDefaultMode, 0.1, false);
sletz's avatar
sletz committed
790

791
792
793
794
795
796
797
798
799
800
    //-----------------------
    // Set the master device
    //-----------------------

    // set the master device manually (this is the device which will act as the master clock for the aggregate device)
    // pass in the UID of the device you want to use
    pluginAOPA.mSelector = kAudioAggregateDevicePropertyMasterSubDevice;
    pluginAOPA.mScope = kAudioObjectPropertyScopeGlobal;
    pluginAOPA.mElement = kAudioObjectPropertyElementMaster;
    outDataSize = sizeof(CFStringRef);
801
    osErr = AudioObjectSetPropertyData(*outAggregateDevice, &pluginAOPA, 0, NULL, outDataSize, &captureDeviceUID[0]);  // First apture is master...
802
803
804
    if (osErr != noErr) {
        jack_error("JackCoreAudioDriver::CreateAggregateDevice : AudioObjectSetPropertyData for master device error");
        printError(osErr);
805
        goto error;
806
    }
sletz's avatar
sletz committed
807

808
809
    // pause again to give the changes time to take effect
    CFRunLoopRunInMode(kCFRunLoopDefaultMode, 0.1, false);
sletz's avatar
sletz committed
810

811
812
    // Prepare sub-devices for clock drift compensation
    // Workaround for bug in the HAL : until 10.6.2
sletz's avatar
sletz committed
813

814
815
816
    if (fClockDriftCompensate) {
        if (need_clock_drift_compensation) {
            jack_info("Clock drift compensation activated...");
sletz's avatar
sletz committed
817

818
            // Get the property data size
sletz's avatar
sletz committed
819
            osErr = AudioObjectGetPropertyDataSize(*outAggregateDevice, &theAddressOwned, theQualifierDataSize, theQualifierData, &outSize);
820
821
822
823
            if (osErr != noErr) {
                jack_error("JackCoreAudioDriver::CreateAggregateDevice kAudioObjectPropertyOwnedObjects error");
                printError(osErr);
            }
sletz's avatar
sletz committed
824

825
            //	Calculate the number of object IDs
sletz's avatar
sletz committed
826
            subDevicesNum = outSize / sizeof(AudioObjectID);
827
828
            jack_info("JackCoreAudioDriver::CreateAggregateDevice clock drift compensation, number of sub-devices = %d", subDevicesNum);
            AudioObjectID subDevices[subDevicesNum];
sletz's avatar
sletz committed
829
            outSize = sizeof(subDevices);
sletz's avatar
sletz committed
830

sletz's avatar
sletz committed
831
            osErr = AudioObjectGetPropertyData(*outAggregateDevice, &theAddressOwned, theQualifierDataSize, theQualifierData, &outSize, subDevices);
832
833
834
835
            if (osErr != noErr) {
                jack_error("JackCoreAudioDriver::CreateAggregateDevice kAudioObjectPropertyOwnedObjects error");
                printError(osErr);
            }
sletz's avatar
sletz committed
836

837
838
839
840
841
842
843
844
845
846
            // Set kAudioSubDevicePropertyDriftCompensation property...
            for (UInt32 index = 0; index < subDevicesNum; ++index) {
                UInt32 theDriftCompensationValue = 1;
                osErr = AudioObjectSetPropertyData(subDevices[index], &theAddressDrift, 0, NULL, sizeof(UInt32), &theDriftCompensationValue);
                if (osErr != noErr) {
                    jack_error("JackCoreAudioDriver::CreateAggregateDevice kAudioSubDevicePropertyDriftCompensation error");
                    printError(osErr);
                }
            }
        } else {
847
            jack_info("Clock drift compensation was asked but is not needed (devices use the same clock domain)");
848
        }
sletz's avatar
sletz committed
849
850
    }

851
852
    // pause again to give the changes time to take effect
    CFRunLoopRunInMode(kCFRunLoopDefaultMode, 0.1, false);
sletz's avatar
sletz committed
853

854
855
856
    //----------
    // Clean up
    //----------
sletz's avatar
sletz committed
857

858
    // release the private AD key
859
    CFRelease(AggregateDeviceNumberRef);
860
861
862
863

    // release the CF objects we have created - we don't need them any more
    CFRelease(aggDeviceDict);
    CFRelease(subDevicesArray);
sletz's avatar
sletz committed
864

865
866
    if (subDevicesArrayClock)
        CFRelease(subDevicesArrayClock);
867
868

    // release the device UID
869
870
871
    for (UInt32 i = 0; i < captureDeviceUID.size(); i++) {
        CFRelease(captureDeviceUID[i]);
    }
sletz's avatar
sletz committed
872

873
874
875
    for (UInt32 i = 0; i < playbackDeviceUID.size(); i++) {
        CFRelease(playbackDeviceUID[i]);
    }
sletz's avatar
sletz committed
876

877
    jack_log("New aggregate device %ld", *outAggregateDevice);
878
    return noErr;
sletz's avatar
sletz committed
879

880
881
882
error:
    DestroyAggregateDevice();
    return -1;
883
884
}

sletz's avatar
sletz committed
885
886
887
888
int JackCoreAudioDriver::SetupDevices(const char* capture_driver_uid,
                                      const char* playback_driver_uid,
                                      char* capture_driver_name,
                                      char* playback_driver_name,
889
                                      jack_nframes_t samplerate)
sletz's avatar
sletz committed
890
{
sletz's avatar
sletz committed
891
    capture_driver_name[0] = 0;
sletz's avatar
sletz committed
892
    playback_driver_name[0] = 0;
sletz's avatar
sletz committed
893

sletz's avatar
sletz committed
894
    // Duplex
895
    if (strcmp(capture_driver_uid, "") != 0 && strcmp(playback_driver_uid, "") != 0) {
896
        jack_log("JackCoreAudioDriver::Open duplex");
sletz's avatar
sletz committed
897

898
899
        // Same device for capture and playback...
        if (strcmp(capture_driver_uid, playback_driver_uid) == 0)  {
sletz's avatar
sletz committed
900

901
902
903
904
905
906
907
908
909
            if (GetDeviceIDFromUID(playback_driver_uid, &fDeviceID) != noErr) {
                jack_log("Will take default in/out");
                if (GetDefaultDevice(&fDeviceID) != noErr) {
                    jack_error("Cannot open default device");
                    return -1;
                }
            }
            if (GetDeviceNameFromID(fDeviceID, capture_driver_name) != noErr || GetDeviceNameFromID(fDeviceID, playback_driver_name) != noErr) {
                jack_error("Cannot get device name from device ID");
sletz's avatar
sletz committed
910
911
                return -1;
            }
sletz's avatar
sletz committed
912

913
        } else {
sletz's avatar
sletz committed
914

915
            // Creates aggregate device
916
            AudioDeviceID captureID, playbackID;
sletz's avatar
sletz committed
917

918
919
920
            if (GetDeviceIDFromUID(capture_driver_uid, &captureID) != noErr) {
                jack_log("Will take default input");
                if (GetDefaultInputDevice(&captureID) != noErr) {
921
                    jack_error("Cannot open default input device");
922
923
924
925
926
927
928
                    return -1;
                }
            }

            if (GetDeviceIDFromUID(playback_driver_uid, &playbackID) != noErr) {
                jack_log("Will take default output");
                if (GetDefaultOutputDevice(&playbackID) != noErr) {
929
                    jack_error("Cannot open default output device");
930
931
932
933
                    return -1;
                }
            }

934
            if (CreateAggregateDevice(captureID, playbackID, samplerate, &fDeviceID) != noErr)
935
                return -1;
sletz's avatar
sletz committed
936
937
        }

938
    // Capture only
939
    } else if (strcmp(capture_driver_uid, "") != 0) {
940
        jack_log("JackCoreAudioDriver::Open capture only");
sletz's avatar
sletz committed
941
        if (GetDeviceIDFromUID(capture_driver_uid, &fDeviceID) != noErr) {
942
            jack_log("Will take default input");
sletz's avatar
sletz committed
943
            if (GetDefaultInputDevice(&fDeviceID) != noErr) {
944
                jack_error("Cannot open default input device");
sletz's avatar
sletz committed
945
946
947
948
949
950
951
952
                return -1;
            }
        }
        if (GetDeviceNameFromID(fDeviceID, capture_driver_name) != noErr) {
            jack_error("Cannot get device name from device ID");
            return -1;
        }

953
    // Playback only
954
    } else if (strcmp(playback_driver_uid, "") != 0) {
955
        jack_log("JackCoreAudioDriver::Open playback only");
sletz's avatar
sletz committed
956
        if (GetDeviceIDFromUID(playback_driver_uid, &fDeviceID) != noErr) {
957
            jack_log("Will take default output");
sletz's avatar
sletz committed
958
            if (GetDefaultOutputDevice(&fDeviceID) != noErr) {
959
                jack_error("Cannot open default output device");
sletz's avatar
sletz committed
960
961
962
963
964
965
966
967
                return -1;
            }
        }
        if (GetDeviceNameFromID(fDeviceID, playback_driver_name) != noErr) {
            jack_error("Cannot get device name from device ID");
            return -1;
        }

968
    // Use default driver in duplex mode
sletz's avatar
sletz committed
969
    } else {
970
        jack_log("JackCoreAudioDriver::Open default driver");
sletz's avatar
sletz committed
971
        if (GetDefaultDevice(&fDeviceID) != noErr) {
972
            jack_error("Cannot open default device in duplex mode, so aggregate default input and default output");
sletz's avatar
sletz committed
973

974
975
            // Creates aggregate device
            AudioDeviceID captureID, playbackID;
sletz's avatar
sletz committed
976

977
978
979
980
981
982
983
            if (GetDeviceIDFromUID(capture_driver_uid, &captureID) != noErr) {
                jack_log("Will take default input");
                if (GetDefaultInputDevice(&captureID) != noErr) {
                    jack_error("Cannot open default input device");
                    return -1