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jack2/macosx/coreaudio/JackCoreAudioAdapter.mm

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  1. /*

  2. Copyright (C) 2008 Grame

  3. 

  4. This program is free software; you can redistribute it and/or modify

  5. it under the terms of the GNU General Public License as published by

  6. the Free Software Foundation; either version 2 of the License, or

  7. (at your option) any later version.

  8. 

  9. This program 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

  12. GNU General Public License for more details.

  13. 

  14. You should have received a copy of the GNU General Public License

  15. along with this program; if not, write to the Free Software

  16. Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.

  17. 

  18. */

  19. 

  20. #include "JackCoreAudioAdapter.h"

  21. #include "JackError.h"

  22. #include <unistd.h>

  23. 

  24. #include <CoreServices/CoreServices.h>

  25. 

  26. namespace Jack

  27. {

  28. 

  29. static void PrintStreamDesc(AudioStreamBasicDescription *inDesc)

  30. {

  31.     jack_log("- - - - - - - - - - - - - - - - - - - -");

  32.     jack_log("  Sample Rate:%f", inDesc->mSampleRate);

  33.     jack_log("  Format ID:%.*s", (int) sizeof(inDesc->mFormatID), (char*)&inDesc->mFormatID);

  34.     jack_log("  Format Flags:%lX", inDesc->mFormatFlags);

  35.     jack_log("  Bytes per Packet:%ld", inDesc->mBytesPerPacket);

  36.     jack_log("  Frames per Packet:%ld", inDesc->mFramesPerPacket);

  37.     jack_log("  Bytes per Frame:%ld", inDesc->mBytesPerFrame);

  38.     jack_log("  Channels per Frame:%ld", inDesc->mChannelsPerFrame);

  39.     jack_log("  Bits per Channel:%ld", inDesc->mBitsPerChannel);

  40.     jack_log("- - - - - - - - - - - - - - - - - - - -");

  41. }

  42. 

  43. static OSStatus DisplayDeviceNames()

  44. {

  45.     UInt32 size;

  46.     Boolean isWritable;

  47.     int i, deviceNum;

  48.     OSStatus err;

  49.     CFStringRef UIname;

  50. 

  51.     err = AudioHardwareGetPropertyInfo(kAudioHardwarePropertyDevices, &size, &isWritable);

  52.     if (err != noErr) {

  53.         return err;

  54.     }

  55. 

  56.     deviceNum = size / sizeof(AudioDeviceID);

  57.     AudioDeviceID devices[deviceNum];

  58. 

  59.     err = AudioHardwareGetProperty(kAudioHardwarePropertyDevices, &size, devices);

  60.     if (err != noErr) {

  61.         return err;

  62.     }

  63. 

  64.     for (i = 0; i < deviceNum; i++) {

  65.         char device_name[256];

  66.         char internal_name[256];

  67. 

  68.         size = sizeof(CFStringRef);

  69.         UIname = NULL;

  70.         err = AudioDeviceGetProperty(devices[i], 0, false, kAudioDevicePropertyDeviceUID, &size, &UIname);

  71.         if (err == noErr) {

  72.             CFStringGetCString(UIname, internal_name, 256, CFStringGetSystemEncoding());

  73.         } else {

  74.             goto error;

  75.         }

  76. 

  77.         size = 256;

  78.         err = AudioDeviceGetProperty(devices[i], 0, false, kAudioDevicePropertyDeviceName, &size, device_name);

  79.         if (err != noErr) {

  80.             return err;

  81.         }

  82. 

  83.         jack_info("Device name = \'%s\', internal_name = \'%s\' (to be used as -C, -P, or -d parameter)", device_name, internal_name);

  84.     }

  85. 

  86.     return noErr;

  87. 

  88. error:

  89.     if (UIname != NULL) {

  90.         CFRelease(UIname);

  91.     }

  92.     return err;

  93. }

  94. 

  95. static void printError(OSStatus err)

  96. {

  97.     switch (err) {

  98.         case kAudioHardwareNoError:

  99.             jack_log("error code : kAudioHardwareNoError");

  100.             break;

  101.         case kAudioConverterErr_FormatNotSupported:

  102.             jack_log("error code : kAudioConverterErr_FormatNotSupported");

  103.             break;

  104.         case kAudioConverterErr_OperationNotSupported:

  105.             jack_log("error code : kAudioConverterErr_OperationNotSupported");

  106.             break;

  107.         case kAudioConverterErr_PropertyNotSupported:

  108.             jack_log("error code : kAudioConverterErr_PropertyNotSupported");

  109.             break;

  110.         case kAudioConverterErr_InvalidInputSize:

  111.             jack_log("error code : kAudioConverterErr_InvalidInputSize");

  112.             break;

  113.         case kAudioConverterErr_InvalidOutputSize:

  114.             jack_log("error code : kAudioConverterErr_InvalidOutputSize");

  115.             break;

  116.         case kAudioConverterErr_UnspecifiedError:

  117.             jack_log("error code : kAudioConverterErr_UnspecifiedError");

  118.             break;

  119.         case kAudioConverterErr_BadPropertySizeError:

  120.             jack_log("error code : kAudioConverterErr_BadPropertySizeError");

  121.             break;

  122.         case kAudioConverterErr_RequiresPacketDescriptionsError:

  123.             jack_log("error code : kAudioConverterErr_RequiresPacketDescriptionsError");

  124.             break;

  125.         case kAudioConverterErr_InputSampleRateOutOfRange:

  126.             jack_log("error code : kAudioConverterErr_InputSampleRateOutOfRange");

  127.             break;

  128.         case kAudioConverterErr_OutputSampleRateOutOfRange:

  129.             jack_log("error code : kAudioConverterErr_OutputSampleRateOutOfRange");

  130.             break;

  131.         case kAudioHardwareNotRunningError:

  132.             jack_log("error code : kAudioHardwareNotRunningError");

  133.             break;

  134.         case kAudioHardwareUnknownPropertyError:

  135.             jack_log("error code : kAudioHardwareUnknownPropertyError");

  136.             break;

  137.         case kAudioHardwareIllegalOperationError:

  138.             jack_log("error code : kAudioHardwareIllegalOperationError");

  139.             break;

  140.         case kAudioHardwareBadDeviceError:

  141.             jack_log("error code : kAudioHardwareBadDeviceError");

  142.             break;

  143.         case kAudioHardwareBadStreamError:

  144.             jack_log("error code : kAudioHardwareBadStreamError");

  145.             break;

  146.         case kAudioDeviceUnsupportedFormatError:

  147.             jack_log("error code : kAudioDeviceUnsupportedFormatError");

  148.             break;

  149.         case kAudioDevicePermissionsError:

  150.             jack_log("error code : kAudioDevicePermissionsError");

  151.             break;

  152.         case kAudioHardwareBadObjectError:

  153.             jack_log("error code : kAudioHardwareBadObjectError");

  154.             break;

  155.         case kAudioHardwareUnsupportedOperationError:

  156.             jack_log("error code : kAudioHardwareUnsupportedOperationError");

  157.             break;

  158.         default:

  159.             jack_log("error code : unknown");

  160.             break;

  161.     }

  162. }

  163. 

  164. OSStatus JackCoreAudioAdapter::AudioHardwareNotificationCallback(AudioHardwarePropertyID inPropertyID, void* inClientData)

  165. {

  166.     JackCoreAudioAdapter* driver = (JackCoreAudioAdapter*)inClientData;

  167. 

  168.     switch (inPropertyID) {

  169. 

  170.         case kAudioHardwarePropertyDevices: {

  171.             jack_log("JackCoreAudioAdapter::AudioHardwareNotificationCallback kAudioHardwarePropertyDevices");

  172.             DisplayDeviceNames();

  173.             break;

  174.         }

  175.     }

  176. 

  177.     return noErr;

  178. }

  179. 

  180. OSStatus JackCoreAudioAdapter::SRNotificationCallback(AudioDeviceID inDevice,

  181.                                                         UInt32 inChannel,

  182.                                                         Boolean	isInput,

  183.                                                         AudioDevicePropertyID inPropertyID,

  184.                                                         void* inClientData)

  185. {

  186.     JackCoreAudioAdapter* driver = static_cast<JackCoreAudioAdapter*>(inClientData);

  187. 

  188.     switch (inPropertyID) {

  189. 

  190.         case kAudioDevicePropertyNominalSampleRate: {

  191.             jack_log("JackCoreAudioAdapter::SRNotificationCallback kAudioDevicePropertyNominalSampleRate");

  192.             driver->fState = true;

  193.             break;

  194.         }

  195.     }

  196. 

  197.     return noErr;

  198. }

  199. 

  200. // A better implementation would try to recover in case of hardware device change (see HALLAB HLFilePlayerWindowControllerAudioDevicePropertyListenerProc code)

  201. OSStatus JackCoreAudioAdapter::DeviceNotificationCallback(AudioDeviceID inDevice,

  202.         UInt32 inChannel,

  203.         Boolean	isInput,

  204.         AudioDevicePropertyID inPropertyID,

  205.         void* inClientData)

  206. {

  207. 

  208.     switch (inPropertyID) {

  209. 

  210.         case kAudioDeviceProcessorOverload: {

  211.             jack_error("JackCoreAudioAdapter::DeviceNotificationCallback kAudioDeviceProcessorOverload");

  212.             break;

  213. 		}

  214. 

  215.         case kAudioDevicePropertyStreamConfiguration: {

  216.             jack_error("Cannot handle kAudioDevicePropertyStreamConfiguration");

  217.             return kAudioHardwareUnsupportedOperationError;

  218.         }

  219. 

  220.         case kAudioDevicePropertyNominalSampleRate: {

  221.             jack_error("Cannot handle kAudioDevicePropertyNominalSampleRate");

  222.             return kAudioHardwareUnsupportedOperationError;

  223.         }

  224. 

  225.     }

  226.     return noErr;

  227. }

  228. 

  229. int JackCoreAudioAdapter::AddListeners()

  230. {

  231.     OSStatus err = noErr;

  232. 

  233.     // Add listeners

  234.     err = AudioDeviceAddPropertyListener(fDeviceID, 0, true, kAudioDeviceProcessorOverload, DeviceNotificationCallback, this);

  235.     if (err != noErr) {

  236.         jack_error("Error calling AudioDeviceAddPropertyListener with kAudioDeviceProcessorOverload");

  237.         printError(err);

  238.         return -1;

  239.     }

  240. 

  241.     err = AudioHardwareAddPropertyListener(kAudioHardwarePropertyDevices, AudioHardwareNotificationCallback, this);

  242.     if (err != noErr) {

  243.         jack_error("Error calling AudioHardwareAddPropertyListener with kAudioHardwarePropertyDevices");

  244.         printError(err);

  245.         return -1;

  246.     }

  247. 

  248.     err = AudioDeviceAddPropertyListener(fDeviceID, 0, true, kAudioDevicePropertyNominalSampleRate, DeviceNotificationCallback, this);

  249.     if (err != noErr) {

  250.         jack_error("Error calling AudioDeviceAddPropertyListener with kAudioDevicePropertyNominalSampleRate");

  251.         printError(err);

  252.         return -1;

  253.     }

  254. 

  255.     err = AudioDeviceAddPropertyListener(fDeviceID, 0, true, kAudioDevicePropertyDeviceIsRunning, DeviceNotificationCallback, this);

  256.     if (err != noErr) {

  257.         jack_error("Error calling AudioDeviceAddPropertyListener with kAudioDevicePropertyDeviceIsRunning");

  258.         printError(err);

  259.         return -1;

  260.     }

  261. 

  262.     err = AudioDeviceAddPropertyListener(fDeviceID, 0, true, kAudioDevicePropertyStreamConfiguration, DeviceNotificationCallback, this);

  263.     if (err != noErr) {

  264.         jack_error("Error calling AudioDeviceAddPropertyListener with kAudioDevicePropertyStreamConfiguration");

  265.         printError(err);

  266.         return -1;

  267.     }

  268. 

  269.     err = AudioDeviceAddPropertyListener(fDeviceID, 0, false, kAudioDevicePropertyStreamConfiguration, DeviceNotificationCallback, this);

  270.     if (err != noErr) {

  271.         jack_error("Error calling AudioDeviceAddPropertyListener with kAudioDevicePropertyStreamConfiguration");

  272.         printError(err);

  273.         return -1;

  274.     }

  275. 

  276.     return 0;

  277. }

  278. 

  279. void JackCoreAudioAdapter::RemoveListeners()

  280. {

  281.     AudioDeviceRemovePropertyListener(fDeviceID, 0, true, kAudioDeviceProcessorOverload, DeviceNotificationCallback);

  282.     AudioHardwareRemovePropertyListener(kAudioHardwarePropertyDevices, AudioHardwareNotificationCallback);

  283.     AudioDeviceRemovePropertyListener(fDeviceID, 0, true, kAudioDevicePropertyNominalSampleRate, DeviceNotificationCallback);

  284.     AudioDeviceRemovePropertyListener(fDeviceID, 0, true, kAudioDevicePropertyDeviceIsRunning, DeviceNotificationCallback);

  285.     AudioDeviceRemovePropertyListener(fDeviceID, 0, true, kAudioDevicePropertyStreamConfiguration, DeviceNotificationCallback);

  286.     AudioDeviceRemovePropertyListener(fDeviceID, 0, false, kAudioDevicePropertyStreamConfiguration, DeviceNotificationCallback);

  287. }

  288. 

  289. OSStatus JackCoreAudioAdapter::Render(void *inRefCon,

  290.                                     AudioUnitRenderActionFlags *ioActionFlags,

  291.                                     const AudioTimeStamp *inTimeStamp,

  292.                                     UInt32 inBusNumber,

  293.                                     UInt32 inNumberFrames,

  294.                                     AudioBufferList *ioData)

  295. {

  296.     return static_cast<JackCoreAudioAdapter*>(inRefCon)->Render(ioActionFlags, inTimeStamp, inNumberFrames, ioData);

  297. }

  298. 

  299. OSStatus JackCoreAudioAdapter::Render(AudioUnitRenderActionFlags *ioActionFlags,

  300.                                     const AudioTimeStamp *inTimeStamp,

  301.                                     UInt32 inNumberFrames,

  302.                                     AudioBufferList *ioData)

  303. {

  304.     OSStatus err = AudioUnitRender(fAUHAL, ioActionFlags, inTimeStamp, 1, inNumberFrames, fInputData);

  305. 

  306.     if (err == noErr) {

  307.         jack_default_audio_sample_t* inputBuffer[fCaptureChannels];

  308.         jack_default_audio_sample_t* outputBuffer[fPlaybackChannels];

  309. 

  310.         for (int i = 0; i < fCaptureChannels; i++) {

  311.             inputBuffer[i] = (jack_default_audio_sample_t*)fInputData->mBuffers[i].mData;

  312.         }

  313.         for (int i = 0; i < fPlaybackChannels; i++) {

  314.             outputBuffer[i] = (jack_default_audio_sample_t*)ioData->mBuffers[i].mData;

  315.         }

  316. 

  317.         PushAndPull((jack_default_audio_sample_t**)inputBuffer, (jack_default_audio_sample_t**)outputBuffer, inNumberFrames);

  318.         return noErr;

  319.     } else {

  320.         return err;

  321.     }

  322. }

  323. 

  324. JackCoreAudioAdapter::JackCoreAudioAdapter(jack_nframes_t buffer_size, jack_nframes_t sample_rate, const JSList* params)

  325.                 :JackAudioAdapterInterface(buffer_size, sample_rate), fInputData(0), fCapturing(false), fPlaying(false), fState(false)

  326. {

  327.     const JSList* node;

  328.     const jack_driver_param_t* param;

  329.     int in_nChannels = 0;

  330.     int out_nChannels = 0;

  331.     char captureName[256];

  332.     char playbackName[256];

  333.     fCaptureUID[0] = 0;

  334.     fPlaybackUID[0] = 0;

  335.     fClockDriftCompensate = false;

  336. 

  337.     // Default values

  338.     fCaptureChannels = -1;

  339.     fPlaybackChannels = -1;

  340. 

  341.     SInt32 major;

  342.     SInt32 minor;

  343.     Gestalt(gestaltSystemVersionMajor, &major);

  344.     Gestalt(gestaltSystemVersionMinor, &minor);

  345. 

  346.     // Starting with 10.6 systems, the HAL notification thread is created internally

  347.     if (major == 10 && minor >= 6) {

  348.         CFRunLoopRef theRunLoop = NULL;

  349.         AudioObjectPropertyAddress theAddress = { kAudioHardwarePropertyRunLoop, kAudioObjectPropertyScopeGlobal, kAudioObjectPropertyElementMaster };

  350.         OSStatus theError = AudioObjectSetPropertyData (kAudioObjectSystemObject, &theAddress, 0, NULL, sizeof(CFRunLoopRef), &theRunLoop);

  351.         if (theError != noErr) {

  352.             jack_error("JackCoreAudioAdapter::Open kAudioHardwarePropertyRunLoop error");

  353.         }

  354.     }

  355. 

  356.     for (node = params; node; node = jack_slist_next(node)) {

  357.         param = (const jack_driver_param_t*) node->data;

  358. 

  359.         switch (param->character) {

  360.  

  361.             case 'i':

  362.                 fCaptureChannels = param->value.ui;

  363.                 break;

  364. 

  365.             case 'o':

  366.                 fPlaybackChannels = param->value.ui;

  367.                 break;

  368. 

  369.             case 'C':

  370.                 fCapturing = true;

  371.                 strncpy(fCaptureUID, param->value.str, 256);

  372.                 break;

  373. 

  374.             case 'P':

  375.                 fPlaying = true;

  376.                 strncpy(fPlaybackUID, param->value.str, 256);

  377.                 break;

  378. 

  379.             case 'd':

  380.                 strncpy(fCaptureUID, param->value.str, 256);

  381.                 strncpy(fPlaybackUID, param->value.str, 256);

  382.                 break;

  383. 

  384.             case 'D':

  385.                 fCapturing = fPlaying = true;

  386.                 break;

  387. 

  388.             case 'r':

  389.                 SetAdaptedSampleRate(param->value.ui);

  390.                 break;

  391. 

  392.             case 'p':

  393.                 SetAdaptedBufferSize(param->value.ui);

  394.                 break;

  395. 

  396.             case 'l':

  397.                 DisplayDeviceNames();

  398.                 break;

  399. 

  400.             case 'q':

  401.                 fQuality = param->value.ui;

  402.                 break;

  403. 

  404.             case 'g':

  405.                 fRingbufferCurSize = param->value.ui;

  406.                 fAdaptative = false;

  407.                 break;

  408. 

  409.             case 's':

  410.                 fClockDriftCompensate = true;

  411.                 break;

  412.         }

  413.     }

  414. 

  415.     /* duplex is the default */

  416.     if (!fCapturing && !fPlaying) {

  417.         fCapturing = true;

  418.         fPlaying = true;

  419.     }

  420. 

  421.     if (SetupDevices(fCaptureUID, fPlaybackUID, captureName, playbackName, fAdaptedSampleRate) < 0) {

  422.        throw std::bad_alloc();

  423.     }

  424. 

  425.     if (SetupChannels(fCapturing, fPlaying, fCaptureChannels, fPlaybackChannels, in_nChannels, out_nChannels, true) < 0) {

  426.         throw std::bad_alloc();

  427.     }

  428. 

  429.     if (SetupBufferSize(fAdaptedBufferSize) < 0) {

  430.         throw std::bad_alloc();

  431.     }

  432. 

  433.     if (SetupSampleRate(fAdaptedSampleRate) < 0) {

  434.         throw std::bad_alloc();

  435.     }

  436. 

  437.     if (OpenAUHAL(fCapturing, fPlaying, fCaptureChannels, fPlaybackChannels, in_nChannels, out_nChannels, fAdaptedBufferSize, fAdaptedSampleRate) < 0) {

  438.         throw std::bad_alloc();

  439.     }

  440. 

  441.     if (fCapturing && fCaptureChannels > 0) {

  442.         if (SetupBuffers(fCaptureChannels) < 0) {

  443.             throw std::bad_alloc();

  444.         }

  445.     }

  446. 

  447.     if (AddListeners() < 0) {

  448.         throw std::bad_alloc();

  449.     }

  450. 

  451.     GetStreamLatencies(fDeviceID, true, fInputLatencies);

  452.     GetStreamLatencies(fDeviceID, false, fOutputLatencies);

  453. }

  454. 

  455. OSStatus JackCoreAudioAdapter::GetDefaultDevice(AudioDeviceID* id)

  456. {

  457.     OSStatus res;

  458.     UInt32 theSize = sizeof(UInt32);

  459.     AudioDeviceID inDefault;

  460.     AudioDeviceID outDefault;

  461. 

  462.     if ((res = AudioHardwareGetProperty(kAudioHardwarePropertyDefaultInputDevice, &theSize, &inDefault)) != noErr) {

  463.         return res;

  464.     }

  465. 

  466.     if ((res = AudioHardwareGetProperty(kAudioHardwarePropertyDefaultOutputDevice, &theSize, &outDefault)) != noErr) {

  467.         return res;

  468.     }

  469. 

  470.     jack_log("GetDefaultDevice: input = %ld output = %ld", inDefault, outDefault);

  471. 

  472.     // Get the device only if default input and output are the same

  473.     if (inDefault != outDefault) {

  474.         jack_error("Default input and output devices are not the same !!");

  475.         return kAudioHardwareBadDeviceError;

  476.     } else if (inDefault == 0) {

  477.         jack_error("Default input and output devices are null !!");

  478.         return kAudioHardwareBadDeviceError;

  479.     } else {

  480.         *id = inDefault;

  481.         return noErr;

  482.     }

  483. }

  484. 

  485. OSStatus JackCoreAudioAdapter::GetTotalChannels(AudioDeviceID device, int& channelCount, bool isInput)

  486. {

  487.     OSStatus err = noErr;

  488.     UInt32	outSize;

  489.     Boolean	outWritable;

  490. 

  491.     channelCount = 0;

  492.     err = AudioDeviceGetPropertyInfo(device, 0, isInput, kAudioDevicePropertyStreamConfiguration, &outSize, &outWritable);

  493.     if (err == noErr) {

  494.         AudioBufferList bufferList[outSize];

  495.         err = AudioDeviceGetProperty(device, 0, isInput, kAudioDevicePropertyStreamConfiguration, &outSize, bufferList);

  496.         if (err == noErr) {

  497.             for (unsigned int i = 0; i < bufferList->mNumberBuffers; i++) {

  498.                 channelCount += bufferList->mBuffers[i].mNumberChannels;

  499.             }

  500.         }

  501.     }

  502. 

  503.     return err;

  504. }

  505. 

  506. OSStatus JackCoreAudioAdapter::GetDeviceIDFromUID(const char* UID, AudioDeviceID* id)

  507. {

  508.     UInt32 size = sizeof(AudioValueTranslation);

  509.     CFStringRef inIUD = CFStringCreateWithCString(NULL, UID, CFStringGetSystemEncoding());

  510.     AudioValueTranslation value = { &inIUD, sizeof(CFStringRef), id, sizeof(AudioDeviceID) };

  511. 

  512.     if (inIUD == NULL) {

  513.         return kAudioHardwareUnspecifiedError;

  514.     } else {

  515.         OSStatus res = AudioHardwareGetProperty(kAudioHardwarePropertyDeviceForUID, &size, &value);

  516.         CFRelease(inIUD);

  517.         jack_log("GetDeviceIDFromUID %s %ld", UID, *id);

  518.         return (*id == kAudioDeviceUnknown) ? kAudioHardwareBadDeviceError : res;

  519.     }

  520. }

  521. 

  522. OSStatus JackCoreAudioAdapter::GetDefaultInputDevice(AudioDeviceID* id)

  523. {

  524.     OSStatus res;

  525.     UInt32 theSize = sizeof(UInt32);

  526.     AudioDeviceID inDefault;

  527. 

  528.     if ((res = AudioHardwareGetProperty(kAudioHardwarePropertyDefaultInputDevice, &theSize, &inDefault)) != noErr) {

  529.         return res;

  530.     }

  531. 

  532.     if (inDefault == 0) {

  533.         jack_error("Error: default input device is 0, please select a correct one !!");

  534.         return -1;

  535.     }

  536.     jack_log("GetDefaultInputDevice: input = %ld ", inDefault);

  537.     *id = inDefault;

  538.     return noErr;

  539. }

  540. 

  541. OSStatus JackCoreAudioAdapter::GetDefaultOutputDevice(AudioDeviceID* id)

  542. {

  543.     OSStatus res;

  544.     UInt32 theSize = sizeof(UInt32);

  545.     AudioDeviceID outDefault;

  546. 

  547.     if ((res = AudioHardwareGetProperty(kAudioHardwarePropertyDefaultOutputDevice, &theSize, &outDefault)) != noErr) {

  548.         return res;

  549.     }

  550. 

  551.     if (outDefault == 0) {

  552.         jack_error("Error: default output device is 0, please select a correct one !!");

  553.         return -1;

  554.     }

  555.     jack_log("GetDefaultOutputDevice: output = %ld", outDefault);

  556.     *id = outDefault;

  557.     return noErr;

  558. }

  559. 

  560. OSStatus JackCoreAudioAdapter::GetDeviceNameFromID(AudioDeviceID id, char* name)

  561. {

  562.     UInt32 size = 256;

  563.     return AudioDeviceGetProperty(id, 0, false, kAudioDevicePropertyDeviceName, &size, name);

  564. }

  565. 

  566. AudioDeviceID JackCoreAudioAdapter::GetDeviceIDFromName(const char* name)

  567. {

  568.     UInt32 size;

  569.     Boolean isWritable;

  570.     int i, deviceNum;

  571. 

  572.     OSStatus err = AudioHardwareGetPropertyInfo(kAudioHardwarePropertyDevices, &size, &isWritable);

  573.     if (err != noErr) {

  574.         return -1;

  575.     }

  576. 

  577.     deviceNum = size / sizeof(AudioDeviceID);

  578.     AudioDeviceID devices[deviceNum];

  579. 

  580.     err = AudioHardwareGetProperty(kAudioHardwarePropertyDevices, &size, devices);

  581.     if (err != noErr) {

  582.         return err;

  583.     }

  584. 

  585.     for (i = 0; i < deviceNum; i++) {

  586.         char device_name[256];

  587.         size = 256;

  588.         err = AudioDeviceGetProperty(devices[i], 0, false, kAudioDevicePropertyDeviceName, &size, device_name);

  589.         if (err != noErr) {

  590.             return -1;

  591.         } else if (strcmp(device_name, name) == 0) {

  592.             return devices[i];

  593.         }

  594.     }

  595. 

  596.     return -1;

  597. }

  598. 

  599. // Setup

  600. int JackCoreAudioAdapter::SetupDevices(const char* capture_driver_uid,

  601.                                         const char* playback_driver_uid,

  602.                                         char* capture_driver_name,

  603.                                         char* playback_driver_name,

  604.                                         jack_nframes_t samplerate)

  605. {

  606.     capture_driver_name[0] = 0;

  607.     playback_driver_name[0] = 0;

  608. 

  609.     // Duplex

  610.     if (strcmp(capture_driver_uid, "") != 0 && strcmp(playback_driver_uid, "") != 0) {

  611.         jack_log("JackCoreAudioDriver::Open duplex");

  612. 

  613.         // Same device for capture and playback...

  614.         if (strcmp(capture_driver_uid, playback_driver_uid) == 0)  {

  615. 

  616.             if (GetDeviceIDFromUID(playback_driver_uid, &fDeviceID) != noErr) {

  617.                 jack_log("Will take default in/out");

  618.                 if (GetDefaultDevice(&fDeviceID) != noErr) {

  619.                     jack_error("Cannot open default device");

  620.                     return -1;

  621.                 }

  622.             }

  623.             if (GetDeviceNameFromID(fDeviceID, capture_driver_name) != noErr || GetDeviceNameFromID(fDeviceID, playback_driver_name) != noErr) {

  624.                 jack_error("Cannot get device name from device ID");

  625.                 return -1;

  626.             }

  627. 

  628.         } else {

  629. 

  630.             // Creates aggregate device

  631.             AudioDeviceID captureID, playbackID;

  632. 

  633.             if (GetDeviceIDFromUID(capture_driver_uid, &captureID) != noErr) {

  634.                 jack_log("Will take default input");

  635.                 if (GetDefaultInputDevice(&captureID) != noErr) {

  636.                     jack_error("Cannot open default input device");

  637.                     return -1;

  638.                 }

  639.             }

  640. 

  641.             if (GetDeviceIDFromUID(playback_driver_uid, &playbackID) != noErr) {

  642.                 jack_log("Will take default output");

  643.                 if (GetDefaultOutputDevice(&playbackID) != noErr) {

  644.                     jack_error("Cannot open default output device");

  645.                     return -1;

  646.                 }

  647.             }

  648. 

  649.             if (CreateAggregateDevice(captureID, playbackID, samplerate, &fDeviceID) != noErr) {

  650.                 return -1;

  651.             }

  652.         }

  653. 

  654.     // Capture only

  655.     } else if (strcmp(capture_driver_uid, "") != 0) {

  656.         jack_log("JackCoreAudioAdapter::Open capture only");

  657.         if (GetDeviceIDFromUID(capture_driver_uid, &fDeviceID) != noErr) {

  658.             if (GetDefaultInputDevice(&fDeviceID) != noErr) {

  659.                 jack_error("Cannot open default input device");

  660.                 return -1;

  661.             }

  662.         }

  663.         if (GetDeviceNameFromID(fDeviceID, capture_driver_name) != noErr) {

  664.             jack_error("Cannot get device name from device ID");

  665.             return -1;

  666.         }

  667. 

  668.     // Playback only

  669.     } else if (strcmp(playback_driver_uid, "") != 0) {

  670.         jack_log("JackCoreAudioAdapter::Open playback only");

  671.         if (GetDeviceIDFromUID(playback_driver_uid, &fDeviceID) != noErr) {

  672.             if (GetDefaultOutputDevice(&fDeviceID) != noErr) {

  673.                 jack_error("Cannot open default output device");

  674.                 return -1;

  675.             }

  676.         }

  677.         if (GetDeviceNameFromID(fDeviceID, playback_driver_name) != noErr) {

  678.             jack_error("Cannot get device name from device ID");

  679.             return -1;

  680.         }

  681. 

  682.     // Use default driver in duplex mode

  683.     } else {

  684.         jack_log("JackCoreAudioAdapter::Open default driver");

  685.         if (GetDefaultDevice(&fDeviceID) != noErr) {

  686.             jack_error("Cannot open default device in duplex mode, so aggregate default input and default output");

  687. 

  688.             // Creates aggregate device

  689.             AudioDeviceID captureID = -1, playbackID = -1;

  690. 

  691.             if (GetDeviceIDFromUID(capture_driver_uid, &captureID) != noErr) {

  692.                 jack_log("Will take default input");

  693.                 if (GetDefaultInputDevice(&captureID) != noErr) {

  694.                     jack_error("Cannot open default input device");

  695.                     goto built_in;

  696.                 }

  697.             }

  698. 

  699.             if (GetDeviceIDFromUID(playback_driver_uid, &playbackID) != noErr) {

  700.                 jack_log("Will take default output");

  701.                 if (GetDefaultOutputDevice(&playbackID) != noErr) {

  702.                     jack_error("Cannot open default output device");

  703.                     goto built_in;

  704.                 }

  705.             }

  706. 

  707.             if (captureID > 0 && playbackID > 0) {

  708.                 if (CreateAggregateDevice(captureID, playbackID, samplerate, &fDeviceID) != noErr) {

  709.                     goto built_in;

  710.                 }

  711.             } else {

  712.                 jack_error("Cannot use default input/output");

  713.                 goto built_in;

  714.             }

  715.         }

  716.     }

  717. 

  718.     return 0;

  719. 

  720. built_in:

  721. 

  722.     // Aggregate built-in input and output

  723.     AudioDeviceID captureID = GetDeviceIDFromName("Built-in Input");

  724.     AudioDeviceID playbackID = GetDeviceIDFromName("Built-in Output");

  725. 

  726.     if (captureID > 0 && playbackID > 0) {

  727.         if (CreateAggregateDevice(captureID, playbackID, samplerate, &fDeviceID) != noErr) {

  728.             return -1;

  729.         }

  730.     } else {

  731.         jack_error("Cannot aggregate built-in input and output");

  732.         return -1;

  733.     }

  734. 

  735.     return 0;

  736. }

  737. 

  738. int JackCoreAudioAdapter::SetupChannels(bool capturing,

  739.                                         bool playing,

  740.                                         int& inchannels,

  741.                                         int& outchannels,

  742.                                         int& in_nChannels,

  743.                                         int& out_nChannels,

  744.                                         bool strict)

  745. {

  746.     OSStatus err = noErr;

  747. 

  748.     if (capturing) {

  749.         err = GetTotalChannels(fDeviceID, in_nChannels, true);

  750.         if (err != noErr) {

  751.             jack_error("Cannot get input channel number");

  752.             printError(err);

  753.             return -1;

  754.         } else {

  755.             jack_log("Max input channels : %d", in_nChannels);

  756.         }

  757.     }

  758. 

  759.     if (playing) {

  760.         err = GetTotalChannels(fDeviceID, out_nChannels, false);

  761.         if (err != noErr) {

  762.             jack_error("Cannot get output channel number");

  763.             printError(err);

  764.             return -1;

  765.         } else {

  766.             jack_log("Max output channels : %d", out_nChannels);

  767.         }

  768.     }

  769. 

  770.     if (inchannels > in_nChannels) {

  771.         jack_error("This device hasn't required input channels inchannels = %ld in_nChannels = %ld", inchannels, in_nChannels);

  772.         if (strict) {

  773.             return -1;

  774.         }

  775.     }

  776. 

  777.     if (outchannels > out_nChannels) {

  778.         jack_error("This device hasn't required output channels outchannels = %ld out_nChannels = %ld", outchannels, out_nChannels);

  779.         if (strict) {

  780.             return -1;

  781.         }

  782.     }

  783. 

  784.     if (inchannels == -1) {

  785.         jack_log("Setup max in channels = %ld", in_nChannels);

  786.         inchannels = in_nChannels;

  787.     }

  788. 

  789.     if (outchannels == -1) {

  790.         jack_log("Setup max out channels = %ld", out_nChannels);

  791.         outchannels = out_nChannels;

  792.     }

  793. 

  794.     return 0;

  795. }

  796. 

  797. int JackCoreAudioAdapter::SetupBufferSize(jack_nframes_t buffer_size)

  798. {

  799.     // Setting buffer size

  800.     UInt32 outSize = sizeof(UInt32);

  801.     OSStatus err = AudioDeviceSetProperty(fDeviceID, NULL, 0, false, kAudioDevicePropertyBufferFrameSize, outSize, &buffer_size);

  802.     if (err != noErr) {

  803.         jack_error("Cannot set buffer size %ld", buffer_size);

  804.         printError(err);

  805.         return -1;

  806.     }

  807. 

  808.     return 0;

  809. }

  810. 

  811. int JackCoreAudioAdapter::SetupSampleRate(jack_nframes_t samplerate)

  812. {

  813.     return SetupSampleRateAux(fDeviceID, samplerate);

  814. }

  815. 

  816. int JackCoreAudioAdapter::SetupSampleRateAux(AudioDeviceID inDevice, jack_nframes_t samplerate)

  817. {

  818.     OSStatus err = noErr;

  819.     UInt32 outSize;

  820.     Float64 sampleRate;

  821. 

  822.     // Get sample rate

  823.     outSize =  sizeof(Float64);

  824.     err = AudioDeviceGetProperty(inDevice, 0, kAudioDeviceSectionGlobal, kAudioDevicePropertyNominalSampleRate, &outSize, &sampleRate);

  825.     if (err != noErr) {

  826.         jack_error("Cannot get current sample rate");

  827.         printError(err);

  828.         return -1;

  829.     } else {

  830.         jack_log("Current sample rate = %f", sampleRate);

  831.     }

  832. 

  833.     // If needed, set new sample rate

  834.     if (samplerate != (jack_nframes_t)sampleRate) {

  835.         sampleRate = (Float64)samplerate;

  836. 

  837.         // To get SR change notification

  838.         err = AudioDeviceAddPropertyListener(inDevice, 0, true, kAudioDevicePropertyNominalSampleRate, SRNotificationCallback, this);

  839.         if (err != noErr) {

  840.             jack_error("Error calling AudioDeviceAddPropertyListener with kAudioDevicePropertyNominalSampleRate");

  841.             printError(err);

  842.             return -1;

  843.         }

  844.         err = AudioDeviceSetProperty(inDevice, NULL, 0, kAudioDeviceSectionGlobal, kAudioDevicePropertyNominalSampleRate, outSize, &sampleRate);

  845.         if (err != noErr) {

  846.             jack_error("Cannot set sample rate = %ld", samplerate);

  847.             printError(err);

  848.             return -1;

  849.         }

  850. 

  851.         // Waiting for SR change notification

  852.         int count = 0;

  853.         while (!fState && count++ < WAIT_COUNTER) {

  854.             usleep(100000);

  855.             jack_log("Wait count = %d", count);

  856.         }

  857. 

  858.         // Remove SR change notification

  859.         AudioDeviceRemovePropertyListener(inDevice, 0, true, kAudioDevicePropertyNominalSampleRate, SRNotificationCallback);

  860.     }

  861. 

  862.     return 0;

  863. }

  864. 

  865. int JackCoreAudioAdapter::SetupBuffers(int inchannels)

  866. {

  867.     jack_log("JackCoreAudioAdapter::SetupBuffers: input = %ld", inchannels);

  868. 

  869.     // Prepare buffers

  870.     fInputData = (AudioBufferList*)malloc(sizeof(UInt32) + inchannels * sizeof(AudioBuffer));

  871.     fInputData->mNumberBuffers = inchannels;

  872.     for (int i = 0; i < fCaptureChannels; i++) {

  873.         fInputData->mBuffers[i].mNumberChannels = 1;

  874.         fInputData->mBuffers[i].mDataByteSize = fAdaptedBufferSize * sizeof(jack_default_audio_sample_t);

  875.         fInputData->mBuffers[i].mData = malloc(fAdaptedBufferSize * sizeof(jack_default_audio_sample_t));

  876.     }

  877.     return 0;

  878. }

  879. 

  880. void JackCoreAudioAdapter::DisposeBuffers()

  881. {

  882.     if (fInputData) {

  883.         for (int i = 0; i < fCaptureChannels; i++) {

  884.             free(fInputData->mBuffers[i].mData);

  885.         }

  886.         free(fInputData);

  887.         fInputData = 0;

  888.     }

  889. }

  890. 

  891. int JackCoreAudioAdapter::OpenAUHAL(bool capturing,

  892.                                    bool playing,

  893.                                    int inchannels,

  894.                                    int outchannels,

  895.                                    int in_nChannels,

  896.                                    int out_nChannels,

  897.                                    jack_nframes_t buffer_size,

  898.                                    jack_nframes_t samplerate)

  899. {

  900.     ComponentResult err1;

  901.     UInt32 enableIO;

  902.     AudioStreamBasicDescription srcFormat, dstFormat;

  903.     AudioDeviceID currAudioDeviceID;

  904.     UInt32 size;

  905. 

  906.     jack_log("OpenAUHAL capturing = %d playing = %d inchannels = %d outchannels = %d in_nChannels = %d out_nChannels = %d", capturing, playing, inchannels, outchannels, in_nChannels, out_nChannels);

  907. 

  908.     if (inchannels == 0 && outchannels == 0) {

  909.         jack_error("No input and output channels...");

  910.         return -1;

  911.     }

  912. 

  913.     // AUHAL

  914. #ifdef MAC_OS_X_VERSION_10_5

  915.     ComponentDescription cd = {kAudioUnitType_Output, kAudioUnitSubType_HALOutput, kAudioUnitManufacturer_Apple, 0, 0};

  916.     Component HALOutput = FindNextComponent(NULL, &cd);

  917.     err1 = OpenAComponent(HALOutput, &fAUHAL);

  918.     if (err1 != noErr) {

  919.         jack_error("Error calling OpenAComponent");

  920.         printError(err1);

  921.         goto error;

  922.     }

  923. #else 

  924.     AudioComponentDescription cd = {kAudioUnitType_Output, kAudioUnitSubType_HALOutput, kAudioUnitManufacturer_Apple, 0, 0};

  925.     AudioComponent HALOutput = AudioComponentFindNext(NULL, &cd);

  926.     err1 = AudioComponentInstanceNew(HALOutput, &fAUHAL);

  927.     if (err1 != noErr) {

  928.         jack_error("Error calling AudioComponentInstanceNew");

  929.         printError(err1);

  930.         goto error;

  931.     }

  932. #endif

  933.   

  934.     err1 = AudioUnitInitialize(fAUHAL);

  935.     if (err1 != noErr) {

  936.         jack_error("Cannot initialize AUHAL unit");

  937.         printError(err1);

  938.         goto error;

  939.     }

  940. 

  941.     // Start I/O

  942.     if (capturing && inchannels > 0) {

  943.         enableIO = 1;

  944.         jack_log("Setup AUHAL input on");

  945.     } else {

  946.         enableIO = 0;

  947.         jack_log("Setup AUHAL input off");

  948.     }

  949. 

  950.     err1 = AudioUnitSetProperty(fAUHAL, kAudioOutputUnitProperty_EnableIO, kAudioUnitScope_Input, 1, &enableIO, sizeof(enableIO));

  951.     if (err1 != noErr) {

  952.         jack_error("Error calling AudioUnitSetProperty - kAudioOutputUnitProperty_EnableIO, kAudioUnitScope_Input");

  953.         printError(err1);

  954.         goto error;

  955.     }

  956. 

  957.     if (playing && outchannels > 0) {

  958.         enableIO = 1;

  959.         jack_log("Setup AUHAL output on");

  960.     } else {

  961.         enableIO = 0;

  962.         jack_log("Setup AUHAL output off");

  963.     }

  964. 

  965.     err1 = AudioUnitSetProperty(fAUHAL, kAudioOutputUnitProperty_EnableIO, kAudioUnitScope_Output, 0, &enableIO, sizeof(enableIO));

  966.     if (err1 != noErr) {

  967.         jack_error("Error calling AudioUnitSetProperty - kAudioOutputUnitProperty_EnableIO,kAudioUnitScope_Output");

  968.         printError(err1);

  969.         goto error;

  970.     }

  971. 

  972.     size = sizeof(AudioDeviceID);

  973.     err1 = AudioUnitGetProperty(fAUHAL, kAudioOutputUnitProperty_CurrentDevice, kAudioUnitScope_Global, 0, &currAudioDeviceID, &size);

  974.     if (err1 != noErr) {

  975.         jack_error("Error calling AudioUnitGetProperty - kAudioOutputUnitProperty_CurrentDevice");

  976.         printError(err1);

  977.         goto error;

  978.     } else {

  979.         jack_log("AudioUnitGetPropertyCurrentDevice = %d", currAudioDeviceID);

  980.     }

  981. 

  982.     // Setup up chosen device, in both input and output cases

  983.     err1 = AudioUnitSetProperty(fAUHAL, kAudioOutputUnitProperty_CurrentDevice, kAudioUnitScope_Global, 0, &fDeviceID, sizeof(AudioDeviceID));

  984.     if (err1 != noErr) {

  985.         jack_error("Error calling AudioUnitSetProperty - kAudioOutputUnitProperty_CurrentDevice");

  986.         printError(err1);

  987.         goto error;

  988.     }

  989. 

  990.     // Set buffer size

  991.     if (capturing && inchannels > 0) {

  992.         err1 = AudioUnitSetProperty(fAUHAL, kAudioUnitProperty_MaximumFramesPerSlice, kAudioUnitScope_Global, 1, (UInt32*)&buffer_size, sizeof(UInt32));

  993.         if (err1 != noErr) {

  994.             jack_error("Error calling AudioUnitSetProperty - kAudioUnitProperty_MaximumFramesPerSlice");

  995.             printError(err1);

  996.             goto error;

  997.         }

  998.     }

  999. 

  1000.     if (playing && outchannels > 0) {

  1001.         err1 = AudioUnitSetProperty(fAUHAL, kAudioUnitProperty_MaximumFramesPerSlice, kAudioUnitScope_Global, 0, (UInt32*)&buffer_size, sizeof(UInt32));

  1002.         if (err1 != noErr) {

  1003.             jack_error("Error calling AudioUnitSetProperty - kAudioUnitProperty_MaximumFramesPerSlice");

  1004.             printError(err1);

  1005.             goto error;

  1006.         }

  1007.     }

  1008. 

  1009.     // Setup channel map

  1010.     if (capturing && inchannels > 0 && inchannels <= in_nChannels) {

  1011.         SInt32 chanArr[in_nChannels];

  1012.         for (int i = 0; i < in_nChannels; i++) {

  1013.             chanArr[i] = -1;

  1014.         }

  1015.         for (int i = 0; i < inchannels; i++) {

  1016.             chanArr[i] = i;

  1017.         }

  1018.         AudioUnitSetProperty(fAUHAL, kAudioOutputUnitProperty_ChannelMap , kAudioUnitScope_Input, 1, chanArr, sizeof(SInt32) * in_nChannels);

  1019.         if (err1 != noErr) {

  1020.             jack_error("Error calling AudioUnitSetProperty - kAudioOutputUnitProperty_ChannelMap 1");

  1021.             printError(err1);

  1022.             goto error;

  1023.         }

  1024.     }

  1025. 

  1026.     if (playing && outchannels > 0 && outchannels <= out_nChannels) {

  1027.         SInt32 chanArr[out_nChannels];

  1028.         for (int i = 0;	i < out_nChannels; i++) {

  1029.             chanArr[i] = -1;

  1030.         }

  1031.         for (int i = 0; i < outchannels; i++) {

  1032.             chanArr[i] = i;

  1033.         }

  1034.         err1 = AudioUnitSetProperty(fAUHAL, kAudioOutputUnitProperty_ChannelMap, kAudioUnitScope_Output, 0, chanArr, sizeof(SInt32) * out_nChannels);

  1035.         if (err1 != noErr) {

  1036.             jack_error("Error calling AudioUnitSetProperty - kAudioOutputUnitProperty_ChannelMap 0");

  1037.             printError(err1);

  1038.             goto error;

  1039.         }

  1040.     }

  1041. 

  1042.     // Setup stream converters

  1043.     if (capturing && inchannels > 0) {

  1044. 

  1045.         size = sizeof(AudioStreamBasicDescription);

  1046.         err1 = AudioUnitGetProperty(fAUHAL, kAudioUnitProperty_StreamFormat, kAudioUnitScope_Output, 0, &srcFormat, &size);

  1047.         if (err1 != noErr) {

  1048.             jack_error("Error calling AudioUnitGetProperty - kAudioUnitProperty_StreamFormat kAudioUnitScope_Input");

  1049.             printError(err1);

  1050.             goto error;

  1051.         }

  1052.         PrintStreamDesc(&srcFormat);

  1053. 

  1054.         jack_log("Setup AUHAL input stream converter SR = %ld", samplerate);

  1055.         srcFormat.mSampleRate = samplerate;

  1056.         srcFormat.mFormatID = kAudioFormatLinearPCM;

  1057.         srcFormat.mFormatFlags = kAudioFormatFlagsNativeFloatPacked | kLinearPCMFormatFlagIsNonInterleaved;

  1058.         srcFormat.mBytesPerPacket = sizeof(jack_default_audio_sample_t);

  1059.         srcFormat.mFramesPerPacket = 1;

  1060.         srcFormat.mBytesPerFrame = sizeof(jack_default_audio_sample_t);

  1061.         srcFormat.mChannelsPerFrame = inchannels;

  1062.         srcFormat.mBitsPerChannel = 32;

  1063.         PrintStreamDesc(&srcFormat);

  1064. 

  1065.         err1 = AudioUnitSetProperty(fAUHAL, kAudioUnitProperty_StreamFormat, kAudioUnitScope_Output, 1, &srcFormat, sizeof(AudioStreamBasicDescription));

  1066. 

  1067.         if (err1 != noErr) {

  1068.             jack_error("Error calling AudioUnitSetProperty - kAudioUnitProperty_StreamFormat kAudioUnitScope_Input");

  1069.             printError(err1);

  1070.             goto error;

  1071.         }

  1072.     }

  1073. 

  1074.     if (playing && outchannels > 0) {

  1075. 

  1076.         size = sizeof(AudioStreamBasicDescription);

  1077.         err1 = AudioUnitGetProperty(fAUHAL, kAudioUnitProperty_StreamFormat, kAudioUnitScope_Input, 1, &dstFormat, &size);

  1078.         if (err1 != noErr) {

  1079.             jack_error("Error calling AudioUnitGetProperty - kAudioUnitProperty_StreamFormat kAudioUnitScope_Output");

  1080.             printError(err1);

  1081.             goto error;

  1082.         }

  1083.         PrintStreamDesc(&dstFormat);

  1084. 

  1085.         jack_log("Setup AUHAL output stream converter SR = %ld", samplerate);

  1086.         dstFormat.mSampleRate = samplerate;

  1087.         dstFormat.mFormatID = kAudioFormatLinearPCM;

  1088.         dstFormat.mFormatFlags = kAudioFormatFlagsNativeFloatPacked | kLinearPCMFormatFlagIsNonInterleaved;

  1089.         dstFormat.mBytesPerPacket = sizeof(jack_default_audio_sample_t);

  1090.         dstFormat.mFramesPerPacket = 1;

  1091.         dstFormat.mBytesPerFrame = sizeof(jack_default_audio_sample_t);

  1092.         dstFormat.mChannelsPerFrame = outchannels;

  1093.         dstFormat.mBitsPerChannel = 32;

  1094.         PrintStreamDesc(&dstFormat);

  1095. 

  1096.         err1 = AudioUnitSetProperty(fAUHAL, kAudioUnitProperty_StreamFormat, kAudioUnitScope_Input, 0, &dstFormat, sizeof(AudioStreamBasicDescription));

  1097. 

  1098.         if (err1 != noErr) {

  1099.             jack_error("Error calling AudioUnitSetProperty - kAudioUnitProperty_StreamFormat kAudioUnitScope_Output");

  1100.             printError(err1);

  1101.             goto error;

  1102.         }

  1103.     }

  1104. 

  1105.     // Setup callbacks

  1106.     if (inchannels > 0 && outchannels == 0) {

  1107.         AURenderCallbackStruct output;

  1108.         output.inputProc = Render;

  1109.         output.inputProcRefCon = this;

  1110.         err1 = AudioUnitSetProperty(fAUHAL, kAudioOutputUnitProperty_SetInputCallback, kAudioUnitScope_Global, 0, &output, sizeof(output));

  1111.         if (err1 != noErr) {

  1112.             jack_error("Error calling  AudioUnitSetProperty - kAudioUnitProperty_SetRenderCallback 1");

  1113.             printError(err1);

  1114.             goto error;

  1115.         }

  1116.     } else {

  1117.         AURenderCallbackStruct output;

  1118.         output.inputProc = Render;

  1119.         output.inputProcRefCon = this;

  1120.         err1 = AudioUnitSetProperty(fAUHAL, kAudioUnitProperty_SetRenderCallback, kAudioUnitScope_Input, 0, &output, sizeof(output));

  1121.         if (err1 != noErr) {

  1122.             jack_error("Error calling AudioUnitSetProperty - kAudioUnitProperty_SetRenderCallback 0");

  1123.             printError(err1);

  1124.             goto error;

  1125.         }

  1126.     }

  1127. 

  1128.     return 0;

  1129. 

  1130. error:

  1131.     CloseAUHAL();

  1132.     return -1;

  1133. }

  1134. 

  1135. OSStatus JackCoreAudioAdapter::DestroyAggregateDevice()

  1136. {

  1137.     OSStatus osErr = noErr;

  1138.     AudioObjectPropertyAddress pluginAOPA;

  1139.     pluginAOPA.mSelector = kAudioPlugInDestroyAggregateDevice;

  1140.     pluginAOPA.mScope = kAudioObjectPropertyScopeGlobal;

  1141.     pluginAOPA.mElement = kAudioObjectPropertyElementMaster;

  1142.     UInt32 outDataSize;

  1143. 

  1144.     osErr = AudioObjectGetPropertyDataSize(fPluginID, &pluginAOPA, 0, NULL, &outDataSize);

  1145.     if (osErr != noErr) {

  1146.         jack_error("JackCoreAudioAdapter::DestroyAggregateDevice : AudioObjectGetPropertyDataSize error");

  1147.         printError(osErr);

  1148.         return osErr;

  1149.     }

  1150. 

  1151.     osErr = AudioObjectGetPropertyData(fPluginID, &pluginAOPA, 0, NULL, &outDataSize, &fDeviceID);

  1152.     if (osErr != noErr) {

  1153.         jack_error("JackCoreAudioAdapter::DestroyAggregateDevice : AudioObjectGetPropertyData error");

  1154.         printError(osErr);

  1155.         return osErr;

  1156.     }

  1157. 

  1158.     return noErr;

  1159. }

  1160. 

  1161. static CFStringRef GetDeviceName(AudioDeviceID id)

  1162. {

  1163.     UInt32 size = sizeof(CFStringRef);

  1164.     CFStringRef UIname;

  1165.     OSStatus err = AudioDeviceGetProperty(id, 0, false, kAudioDevicePropertyDeviceUID, &size, &UIname);

  1166.     return (err == noErr) ? UIname : NULL;

  1167. }

  1168. 

  1169. OSStatus JackCoreAudioAdapter::CreateAggregateDevice(AudioDeviceID captureDeviceID, AudioDeviceID playbackDeviceID, jack_nframes_t samplerate, AudioDeviceID* outAggregateDevice)

  1170. {

  1171.     OSStatus err = noErr;

  1172.     AudioObjectID sub_device[32];

  1173.     UInt32 outSize = sizeof(sub_device);

  1174. 

  1175.     err = AudioDeviceGetProperty(captureDeviceID, 0, kAudioDeviceSectionGlobal, kAudioAggregateDevicePropertyActiveSubDeviceList, &outSize, sub_device);

  1176.     vector<AudioDeviceID> captureDeviceIDArray;

  1177. 

  1178.     if (err != noErr) {

  1179.         jack_log("Input device does not have subdevices");

  1180.         captureDeviceIDArray.push_back(captureDeviceID);

  1181.     } else {

  1182.         int num_devices = outSize / sizeof(AudioObjectID);

  1183.         jack_log("Input device has %d subdevices", num_devices);

  1184.         for (int i = 0; i < num_devices; i++) {

  1185.             captureDeviceIDArray.push_back(sub_device[i]);

  1186.         }

  1187.     }

  1188. 

  1189.     outSize = sizeof(sub_device);

  1190.     err = AudioDeviceGetProperty(playbackDeviceID, 0, kAudioDeviceSectionGlobal, kAudioAggregateDevicePropertyActiveSubDeviceList, &outSize, sub_device);

  1191.     vector<AudioDeviceID> playbackDeviceIDArray;

  1192. 

  1193.     if (err != noErr) {

  1194.         jack_log("Output device does not have subdevices");

  1195.         playbackDeviceIDArray.push_back(playbackDeviceID);

  1196.     } else {

  1197.         int num_devices = outSize / sizeof(AudioObjectID);

  1198.         jack_log("Output device has %d subdevices", num_devices);

  1199.         for (int i = 0; i < num_devices; i++) {

  1200.             playbackDeviceIDArray.push_back(sub_device[i]);

  1201.         }

  1202.     }

  1203. 

  1204.     return CreateAggregateDeviceAux(captureDeviceIDArray, playbackDeviceIDArray, samplerate, outAggregateDevice);

  1205. }

  1206. 

  1207. OSStatus JackCoreAudioAdapter::CreateAggregateDeviceAux(vector<AudioDeviceID> captureDeviceID, vector<AudioDeviceID> playbackDeviceID, jack_nframes_t samplerate, AudioDeviceID* outAggregateDevice)

  1208. {

  1209.     OSStatus osErr = noErr;

  1210.     UInt32 outSize;

  1211.     Boolean outWritable;

  1212. 

  1213.     // Prepare sub-devices for clock drift compensation

  1214.     // Workaround for bug in the HAL : until 10.6.2

  1215.     AudioObjectPropertyAddress theAddressOwned = { kAudioObjectPropertyOwnedObjects, kAudioObjectPropertyScopeGlobal, kAudioObjectPropertyElementMaster };

  1216.     AudioObjectPropertyAddress theAddressDrift = { kAudioSubDevicePropertyDriftCompensation, kAudioObjectPropertyScopeGlobal, kAudioObjectPropertyElementMaster };

  1217.     UInt32 theQualifierDataSize = sizeof(AudioObjectID);

  1218.     AudioClassID inClass = kAudioSubDeviceClassID;

  1219.     void* theQualifierData = &inClass;

  1220.     UInt32 subDevicesNum = 0;

  1221. 

  1222.     //---------------------------------------------------------------------------

  1223.     // Setup SR of both devices otherwise creating AD may fail...

  1224.     //---------------------------------------------------------------------------

  1225.     UInt32 keptclockdomain = 0;

  1226.     UInt32 clockdomain = 0;

  1227.     outSize = sizeof(UInt32);

  1228.     bool need_clock_drift_compensation = false;

  1229. 

  1230.     for (UInt32 i = 0; i < captureDeviceID.size(); i++) {

  1231.         if (SetupSampleRateAux(captureDeviceID[i], samplerate) < 0) {

  1232.             jack_error("JackCoreAudioAdapter::CreateAggregateDevice : cannot set SR of input device");

  1233.         } else  {

  1234.             // Check clock domain

  1235.             osErr = AudioDeviceGetProperty(captureDeviceID[i], 0, kAudioDeviceSectionGlobal, kAudioDevicePropertyClockDomain, &outSize, &clockdomain);

  1236.             if (osErr != 0) {

  1237.                 jack_error("JackCoreAudioAdapter::CreateAggregateDevice : kAudioDevicePropertyClockDomain error");

  1238.                 printError(osErr);

  1239.             } else {

  1240.                 keptclockdomain = (keptclockdomain == 0) ? clockdomain : keptclockdomain;

  1241.                 jack_log("JackCoreAudioAdapter::CreateAggregateDevice : input clockdomain = %d", clockdomain);

  1242.                 if (clockdomain != 0 && clockdomain != keptclockdomain) {

  1243.                     jack_error("JackCoreAudioAdapter::CreateAggregateDevice : devices do not share the same clock!! clock drift compensation would be needed...");

  1244.                     need_clock_drift_compensation = true;

  1245.                 }

  1246.             }

  1247.         }

  1248.     }

  1249. 

  1250.     for (UInt32 i = 0; i < playbackDeviceID.size(); i++) {

  1251.         if (SetupSampleRateAux(playbackDeviceID[i], samplerate) < 0) {

  1252.             jack_error("JackCoreAudioAdapter::CreateAggregateDevice : cannot set SR of output device");

  1253.         } else {

  1254.             // Check clock domain

  1255.             osErr = AudioDeviceGetProperty(playbackDeviceID[i], 0, kAudioDeviceSectionGlobal, kAudioDevicePropertyClockDomain, &outSize, &clockdomain);

  1256.             if (osErr != 0) {

  1257.                 jack_error("JackCoreAudioAdapter::CreateAggregateDevice : kAudioDevicePropertyClockDomain error");

  1258.                 printError(osErr);

  1259.             } else {

  1260.                 keptclockdomain = (keptclockdomain == 0) ? clockdomain : keptclockdomain;

  1261.                 jack_log("JackCoreAudioAdapter::CreateAggregateDevice : output clockdomain = %d", clockdomain);

  1262.                 if (clockdomain != 0 && clockdomain != keptclockdomain) {

  1263.                     jack_error("JackCoreAudioAdapter::CreateAggregateDevice : devices do not share the same clock!! clock drift compensation would be needed...");

  1264.                     need_clock_drift_compensation = true;

  1265.                 }

  1266.             }

  1267.         }

  1268.     }

  1269. 

  1270.     // If no valid clock domain was found, then assume we have to compensate...

  1271.     if (keptclockdomain == 0) {

  1272.         need_clock_drift_compensation = true;

  1273.     }

  1274. 

  1275.     //---------------------------------------------------------------------------

  1276.     // Start to create a new aggregate by getting the base audio hardware plugin

  1277.     //---------------------------------------------------------------------------

  1278. 

  1279.     char device_name[256];

  1280.     for (UInt32 i = 0; i < captureDeviceID.size(); i++) {

  1281.         GetDeviceNameFromID(captureDeviceID[i], device_name);

  1282.         jack_info("Separated input = '%s' ", device_name);

  1283.     }

  1284. 

  1285.     for (UInt32 i = 0; i < playbackDeviceID.size(); i++) {

  1286.         GetDeviceNameFromID(playbackDeviceID[i], device_name);

  1287.         jack_info("Separated output = '%s' ", device_name);

  1288.     }

  1289. 

  1290.     osErr = AudioHardwareGetPropertyInfo(kAudioHardwarePropertyPlugInForBundleID, &outSize, &outWritable);

  1291.     if (osErr != noErr) {

  1292.         jack_error("JackCoreAudioAdapter::CreateAggregateDevice : AudioHardwareGetPropertyInfo kAudioHardwarePropertyPlugInForBundleID error");

  1293.         printError(osErr);

  1294.         return osErr;

  1295.     }

  1296. 

  1297.     AudioValueTranslation pluginAVT;

  1298. 

  1299.     CFStringRef inBundleRef = CFSTR("com.apple.audio.CoreAudio");

  1300. 

  1301.     pluginAVT.mInputData = &inBundleRef;

  1302.     pluginAVT.mInputDataSize = sizeof(inBundleRef);

  1303.     pluginAVT.mOutputData = &fPluginID;

  1304.     pluginAVT.mOutputDataSize = sizeof(fPluginID);

  1305. 

  1306.     osErr = AudioHardwareGetProperty(kAudioHardwarePropertyPlugInForBundleID, &outSize, &pluginAVT);

  1307.     if (osErr != noErr) {

  1308.         jack_error("JackCoreAudioAdapter::CreateAggregateDevice : AudioHardwareGetProperty kAudioHardwarePropertyPlugInForBundleID error");

  1309.         printError(osErr);

  1310.         return osErr;

  1311.     }

  1312. 

  1313.     //-------------------------------------------------

  1314.     // Create a CFDictionary for our aggregate device

  1315.     //-------------------------------------------------

  1316. 

  1317.     CFMutableDictionaryRef aggDeviceDict = CFDictionaryCreateMutable(NULL, 0, &kCFTypeDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks);

  1318. 

  1319.     CFStringRef AggregateDeviceNameRef = CFSTR("JackDuplex");

  1320.     CFStringRef AggregateDeviceUIDRef = CFSTR("com.grame.JackDuplex");

  1321. 

  1322.     // add the name of the device to the dictionary

  1323.     CFDictionaryAddValue(aggDeviceDict, CFSTR(kAudioAggregateDeviceNameKey), AggregateDeviceNameRef);

  1324. 

  1325.     // add our choice of UID for the aggregate device to the dictionary

  1326.     CFDictionaryAddValue(aggDeviceDict, CFSTR(kAudioAggregateDeviceUIDKey), AggregateDeviceUIDRef);

  1327. 

  1328.     // add a "private aggregate key" to the dictionary

  1329.     int value = 1;

  1330.     CFNumberRef AggregateDeviceNumberRef = CFNumberCreate(NULL, kCFNumberIntType, &value);

  1331. 

  1332.     SInt32 system;

  1333.     Gestalt(gestaltSystemVersion, &system);

  1334. 

  1335.     jack_log("JackCoreAudioAdapter::CreateAggregateDevice : system version = %x limit = %x", system, 0x00001054);

  1336. 

  1337.     // Starting with 10.5.4 systems, the AD can be internal... (better)

  1338.     if (system < 0x00001054) {

  1339.         jack_log("JackCoreAudioAdapter::CreateAggregateDevice : public aggregate device....");

  1340.     } else {

  1341.         jack_log("JackCoreAudioAdapter::CreateAggregateDevice : private aggregate device....");

  1342.         CFDictionaryAddValue(aggDeviceDict, CFSTR(kAudioAggregateDeviceIsPrivateKey), AggregateDeviceNumberRef);

  1343.     }

  1344. 

  1345.     // Prepare sub-devices for clock drift compensation

  1346.     CFMutableArrayRef subDevicesArrayClock = NULL;

  1347. 

  1348.     /*

  1349.      if (fClockDriftCompensate) {

  1350.      if (need_clock_drift_compensation) {

  1351.      jack_info("Clock drift compensation activated...");

  1352.      subDevicesArrayClock = CFArrayCreateMutable(NULL, 0, &kCFTypeArrayCallBacks);

  1353. 

  1354.      for (UInt32 i = 0; i < captureDeviceID.size(); i++) {

  1355.      CFStringRef UID = GetDeviceName(captureDeviceID[i]);

  1356.      if (UID) {

  1357.      CFMutableDictionaryRef subdeviceAggDeviceDict = CFDictionaryCreateMutable(NULL, 0, &kCFTypeDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks);

  1358.      CFDictionaryAddValue(subdeviceAggDeviceDict, CFSTR(kAudioSubDeviceUIDKey), UID);

  1359.      CFDictionaryAddValue(subdeviceAggDeviceDict, CFSTR(kAudioSubDeviceDriftCompensationKey), AggregateDeviceNumberRef);

  1360.      //CFRelease(UID);

  1361.      CFArrayAppendValue(subDevicesArrayClock, subdeviceAggDeviceDict);

  1362.      }

  1363.      }

  1364. 

  1365.      for (UInt32 i = 0; i < playbackDeviceID.size(); i++) {

  1366.      CFStringRef UID = GetDeviceName(playbackDeviceID[i]);

  1367.      if (UID) {

  1368.      CFMutableDictionaryRef subdeviceAggDeviceDict = CFDictionaryCreateMutable(NULL, 0, &kCFTypeDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks);

  1369.      CFDictionaryAddValue(subdeviceAggDeviceDict, CFSTR(kAudioSubDeviceUIDKey), UID);

  1370.      CFDictionaryAddValue(subdeviceAggDeviceDict, CFSTR(kAudioSubDeviceDriftCompensationKey), AggregateDeviceNumberRef);

  1371.      //CFRelease(UID);

  1372.      CFArrayAppendValue(subDevicesArrayClock, subdeviceAggDeviceDict);

  1373.      }

  1374.      }

  1375. 

  1376.      // add sub-device clock array for the aggregate device to the dictionary

  1377.      CFDictionaryAddValue(aggDeviceDict, CFSTR(kAudioAggregateDeviceSubDeviceListKey), subDevicesArrayClock);

  1378.      } else {

  1379.      jack_info("Clock drift compensation was asked but is not needed (devices use the same clock domain)");

  1380.      }

  1381.      }

  1382.      */

  1383. 

  1384.     //-------------------------------------------------

  1385.     // Create a CFMutableArray for our sub-device list

  1386.     //-------------------------------------------------

  1387. 

  1388.     // we need to append the UID for each device to a CFMutableArray, so create one here

  1389.     CFMutableArrayRef subDevicesArray = CFArrayCreateMutable(NULL, 0, &kCFTypeArrayCallBacks);

  1390. 

  1391.     vector<CFStringRef> captureDeviceUID;

  1392.     for (UInt32 i = 0; i < captureDeviceID.size(); i++) {

  1393.         CFStringRef ref = GetDeviceName(captureDeviceID[i]);

  1394.         if (ref == NULL) {

  1395.             return -1;

  1396.         }

  1397.         captureDeviceUID.push_back(ref);

  1398.         // input sub-devices in this example, so append the sub-device's UID to the CFArray

  1399.         CFArrayAppendValue(subDevicesArray, ref);

  1400.     }

  1401. 

  1402.     vector<CFStringRef> playbackDeviceUID;

  1403.     for (UInt32 i = 0; i < playbackDeviceID.size(); i++) {

  1404.         CFStringRef ref = GetDeviceName(playbackDeviceID[i]);

  1405.         if (ref == NULL) {

  1406.             return -1;

  1407.         }

  1408.         playbackDeviceUID.push_back(ref);

  1409.         // output sub-devices in this example, so append the sub-device's UID to the CFArray

  1410.         CFArrayAppendValue(subDevicesArray, ref);

  1411.     }

  1412. 

  1413.     //-----------------------------------------------------------------------

  1414.     // Feed the dictionary to the plugin, to create a blank aggregate device

  1415.     //-----------------------------------------------------------------------

  1416. 

  1417.     AudioObjectPropertyAddress pluginAOPA;

  1418.     pluginAOPA.mSelector = kAudioPlugInCreateAggregateDevice;

  1419.     pluginAOPA.mScope = kAudioObjectPropertyScopeGlobal;

  1420.     pluginAOPA.mElement = kAudioObjectPropertyElementMaster;

  1421.     UInt32 outDataSize;

  1422. 

  1423.     osErr = AudioObjectGetPropertyDataSize(fPluginID, &pluginAOPA, 0, NULL, &outDataSize);

  1424.     if (osErr != noErr) {

  1425.         jack_error("JackCoreAudioAdapter::CreateAggregateDevice : AudioObjectGetPropertyDataSize error");

  1426.         printError(osErr);

  1427.         goto error;

  1428.     }

  1429. 

  1430.     osErr = AudioObjectGetPropertyData(fPluginID, &pluginAOPA, sizeof(aggDeviceDict), &aggDeviceDict, &outDataSize, outAggregateDevice);

  1431.     if (osErr != noErr) {

  1432.         jack_error("JackCoreAudioAdapter::CreateAggregateDevice : AudioObjectGetPropertyData error");

  1433.         printError(osErr);

  1434.         goto error;

  1435.     }

  1436. 

  1437.     // pause for a bit to make sure that everything completed correctly

  1438.     // this is to work around a bug in the HAL where a new aggregate device seems to disappear briefly after it is created

  1439.     CFRunLoopRunInMode(kCFRunLoopDefaultMode, 0.1, false);

  1440. 

  1441.     //-------------------------

  1442.     // Set the sub-device list

  1443.     //-------------------------

  1444. 

  1445.     pluginAOPA.mSelector = kAudioAggregateDevicePropertyFullSubDeviceList;

  1446.     pluginAOPA.mScope = kAudioObjectPropertyScopeGlobal;

  1447.     pluginAOPA.mElement = kAudioObjectPropertyElementMaster;

  1448.     outDataSize = sizeof(CFMutableArrayRef);

  1449.     osErr = AudioObjectSetPropertyData(*outAggregateDevice, &pluginAOPA, 0, NULL, outDataSize, &subDevicesArray);

  1450.     if (osErr != noErr) {

  1451.         jack_error("JackCoreAudioAdapter::CreateAggregateDevice : AudioObjectSetPropertyData for sub-device list error");

  1452.         printError(osErr);

  1453.         goto error;

  1454.     }

  1455. 

  1456.     // pause again to give the changes time to take effect

  1457.     CFRunLoopRunInMode(kCFRunLoopDefaultMode, 0.1, false);

  1458. 

  1459.     //-----------------------

  1460.     // Set the master device

  1461.     //-----------------------

  1462. 

  1463.     // set the master device manually (this is the device which will act as the master clock for the aggregate device)

  1464.     // pass in the UID of the device you want to use

  1465.     pluginAOPA.mSelector = kAudioAggregateDevicePropertyMasterSubDevice;

  1466.     pluginAOPA.mScope = kAudioObjectPropertyScopeGlobal;

  1467.     pluginAOPA.mElement = kAudioObjectPropertyElementMaster;

  1468.     outDataSize = sizeof(CFStringRef);

  1469.     osErr = AudioObjectSetPropertyData(*outAggregateDevice, &pluginAOPA, 0, NULL, outDataSize, &playbackDeviceUID[0]);  // First playback is master...

  1470.     if (osErr != noErr) {

  1471.         jack_error("JackCoreAudioAdapter::CreateAggregateDevice : AudioObjectSetPropertyData for master device error");

  1472.         printError(osErr);

  1473.         goto error;

  1474.     }

  1475. 

  1476.     // pause again to give the changes time to take effect

  1477.     CFRunLoopRunInMode(kCFRunLoopDefaultMode, 0.1, false);

  1478. 

  1479.     // Prepare sub-devices for clock drift compensation

  1480.     // Workaround for bug in the HAL : until 10.6.2

  1481. 

  1482.     if (fClockDriftCompensate) {

  1483.         if (need_clock_drift_compensation) {

  1484.             jack_info("Clock drift compensation activated...");

  1485. 

  1486.             // Get the property data size

  1487.             osErr = AudioObjectGetPropertyDataSize(*outAggregateDevice, &theAddressOwned, theQualifierDataSize, theQualifierData, &outSize);

  1488.             if (osErr != noErr) {

  1489.                 jack_error("JackCoreAudioAdapter::CreateAggregateDevice kAudioObjectPropertyOwnedObjects error");

  1490.                 printError(osErr);

  1491.             }

  1492. 

  1493.             //	Calculate the number of object IDs

  1494.             subDevicesNum = outSize / sizeof(AudioObjectID);

  1495.             jack_info("JackCoreAudioAdapter::CreateAggregateDevice clock drift compensation, number of sub-devices = %d", subDevicesNum);

  1496.             AudioObjectID subDevices[subDevicesNum];

  1497.             outSize = sizeof(subDevices);

  1498. 

  1499.             osErr = AudioObjectGetPropertyData(*outAggregateDevice, &theAddressOwned, theQualifierDataSize, theQualifierData, &outSize, subDevices);

  1500.             if (osErr != noErr) {

  1501.                 jack_error("JackCoreAudioAdapter::CreateAggregateDevice kAudioObjectPropertyOwnedObjects error");

  1502.                 printError(osErr);

  1503.             }

  1504. 

  1505.             // Set kAudioSubDevicePropertyDriftCompensation property...

  1506.             for (UInt32 index = 0; index < subDevicesNum; ++index) {

  1507.                 UInt32 theDriftCompensationValue = 1;

  1508.                 osErr = AudioObjectSetPropertyData(subDevices[index], &theAddressDrift, 0, NULL, sizeof(UInt32), &theDriftCompensationValue);

  1509.                 if (osErr != noErr) {

  1510.                     jack_error("JackCoreAudioAdapter::CreateAggregateDevice kAudioSubDevicePropertyDriftCompensation error");

  1511.                     printError(osErr);

  1512.                 }

  1513.             }

  1514.         } else {

  1515.             jack_info("Clock drift compensation was asked but is not needed (devices use the same clock domain)");

  1516.         }

  1517.     }

  1518. 

  1519.     // pause again to give the changes time to take effect

  1520.     CFRunLoopRunInMode(kCFRunLoopDefaultMode, 0.1, false);

  1521. 

  1522.     //----------

  1523.     // Clean up

  1524.     //----------

  1525. 

  1526.     // release the private AD key

  1527.     CFRelease(AggregateDeviceNumberRef);

  1528. 

  1529.     // release the CF objects we have created - we don't need them any more

  1530.     CFRelease(aggDeviceDict);

  1531.     CFRelease(subDevicesArray);

  1532. 

  1533.     if (subDevicesArrayClock) {

  1534.         CFRelease(subDevicesArrayClock);

  1535.     }

  1536. 

  1537.     // release the device UID

  1538.     for (UInt32 i = 0; i < captureDeviceUID.size(); i++) {

  1539.         CFRelease(captureDeviceUID[i]);

  1540.     }

  1541. 

  1542.     for (UInt32 i = 0; i < playbackDeviceUID.size(); i++) {

  1543.         CFRelease(playbackDeviceUID[i]);

  1544.     }

  1545. 

  1546.     jack_log("New aggregate device %ld", *outAggregateDevice);

  1547.     return noErr;

  1548. 

  1549. error:

  1550.     DestroyAggregateDevice();

  1551.     return -1;

  1552. }

  1553. 

  1554. 

  1555. bool JackCoreAudioAdapter::IsAggregateDevice(AudioDeviceID device)

  1556. {

  1557.     OSStatus err = noErr;

  1558.     AudioObjectID sub_device[32];

  1559.     UInt32 outSize = sizeof(sub_device);

  1560.     err = AudioDeviceGetProperty(device, 0, kAudioDeviceSectionGlobal, kAudioAggregateDevicePropertyActiveSubDeviceList, &outSize, sub_device);

  1561. 

  1562.     if (err != noErr) {

  1563.         jack_log("Device does not have subdevices");

  1564.         return false;

  1565.     } else {

  1566.         int num_devices = outSize / sizeof(AudioObjectID);

  1567.         jack_log("Device does has %d subdevices", num_devices);

  1568.         return true;

  1569.     }

  1570. }

  1571. 

  1572. void JackCoreAudioAdapter::CloseAUHAL()

  1573. {

  1574.     AudioUnitUninitialize(fAUHAL);

  1575.     CloseComponent(fAUHAL);

  1576. }

  1577. 

  1578. int JackCoreAudioAdapter::Open()

  1579. {

  1580.     return (AudioOutputUnitStart(fAUHAL) != noErr)  ? -1 : 0;

  1581. }

  1582. 

  1583. int JackCoreAudioAdapter::Close()

  1584. {

  1585. #ifdef JACK_MONITOR

  1586.     fTable.Save(fHostBufferSize, fHostSampleRate, fAdaptedSampleRate, fAdaptedBufferSize);

  1587. #endif

  1588.     AudioOutputUnitStop(fAUHAL);

  1589.     DisposeBuffers();

  1590.     CloseAUHAL();

  1591.     RemoveListeners();

  1592.     if (fPluginID > 0) {

  1593.         DestroyAggregateDevice();

  1594.     }

  1595.     return 0;

  1596. }

  1597. 

  1598. int JackCoreAudioAdapter::SetSampleRate(jack_nframes_t sample_rate)

  1599. {

  1600.     JackAudioAdapterInterface::SetHostSampleRate(sample_rate);

  1601.     Close();

  1602.     return Open();

  1603. }

  1604. 

  1605. int JackCoreAudioAdapter::SetBufferSize(jack_nframes_t buffer_size)

  1606. {

  1607.     JackAudioAdapterInterface::SetHostBufferSize(buffer_size);

  1608.     Close();

  1609.     return Open();

  1610. }

  1611. 

  1612. OSStatus JackCoreAudioAdapter::GetStreamLatencies(AudioDeviceID device, bool isInput, vector<int>& latencies)

  1613. {

  1614.     OSStatus err = noErr;

  1615.     UInt32 outSize1, outSize2, outSize3;

  1616.     Boolean	outWritable;

  1617. 

  1618.     err = AudioDeviceGetPropertyInfo(device, 0, isInput, kAudioDevicePropertyStreams, &outSize1, &outWritable);

  1619.     if (err == noErr) {

  1620.         int stream_count = outSize1 / sizeof(UInt32);

  1621.         AudioStreamID streamIDs[stream_count];

  1622.         AudioBufferList bufferList[stream_count];

  1623.         UInt32 streamLatency;

  1624.         outSize2 = sizeof(UInt32);

  1625. 

  1626.         err = AudioDeviceGetProperty(device, 0, isInput, kAudioDevicePropertyStreams, &outSize1, streamIDs);

  1627.         if (err != noErr) {

  1628.             jack_error("GetStreamLatencies kAudioDevicePropertyStreams err = %d", err);

  1629.             return err;

  1630.         }

  1631. 

  1632.         err = AudioDeviceGetPropertyInfo(device, 0, isInput, kAudioDevicePropertyStreamConfiguration, &outSize3, &outWritable);

  1633.         if (err != noErr) {

  1634.             jack_error("GetStreamLatencies kAudioDevicePropertyStreamConfiguration err = %d", err);

  1635.             return err;

  1636.         }

  1637. 

  1638.         for (int i = 0; i < stream_count; i++) {

  1639.             err = AudioStreamGetProperty(streamIDs[i], 0, kAudioStreamPropertyLatency, &outSize2, &streamLatency);

  1640.             if (err != noErr) {

  1641.                 jack_error("GetStreamLatencies kAudioStreamPropertyLatency err = %d", err);

  1642.                 return err;

  1643.             }

  1644.             err = AudioDeviceGetProperty(device, 0, isInput, kAudioDevicePropertyStreamConfiguration, &outSize3, bufferList);

  1645.             if (err != noErr) {

  1646.                 jack_error("GetStreamLatencies kAudioDevicePropertyStreamConfiguration err = %d", err);

  1647.                 return err;

  1648.             }

  1649.             // Push 'channel' time the stream latency

  1650.             for (uint k = 0; k < bufferList->mBuffers[i].mNumberChannels; k++) {

  1651.                 latencies.push_back(streamLatency);

  1652.             }

  1653.         }

  1654.     }

  1655.     return err;

  1656. }

  1657. 

  1658. int JackCoreAudioAdapter::GetLatency(int port_index, bool input)

  1659. {

  1660.     UInt32 size = sizeof(UInt32);

  1661.     UInt32 value1 = 0;

  1662.     UInt32 value2 = 0;

  1663. 

  1664.     OSStatus err = AudioDeviceGetProperty(fDeviceID, 0, input, kAudioDevicePropertyLatency, &size, &value1);

  1665.     if (err != noErr) {

  1666.         jack_log("AudioDeviceGetProperty kAudioDevicePropertyLatency error");

  1667.     }

  1668.     err = AudioDeviceGetProperty(fDeviceID, 0, input, kAudioDevicePropertySafetyOffset, &size, &value2);

  1669.     if (err != noErr) {

  1670.         jack_log("AudioDeviceGetProperty kAudioDevicePropertySafetyOffset error");

  1671.     }

  1672. 

  1673.     // TODO : add stream latency

  1674. 

  1675.     return value1 + value2 + fAdaptedBufferSize;

  1676. }

  1677. 

  1678. int JackCoreAudioAdapter::GetInputLatency(int port_index)

  1679. {

  1680.     if (port_index < int(fInputLatencies.size())) {

  1681.         return GetLatency(port_index, true) + fInputLatencies[port_index];

  1682.     } else {

  1683.         // No stream latency

  1684.         return GetLatency(port_index, true);

  1685.     }

  1686. }

  1687. 

  1688. int JackCoreAudioAdapter::GetOutputLatency(int port_index)

  1689. {

  1690.     if (port_index < int(fOutputLatencies.size())) {

  1691.         return GetLatency(port_index, false) + fOutputLatencies[port_index];

  1692.     } else {

  1693.         // No stream latency

  1694.         return GetLatency(port_index, false);

  1695.     }

  1696. }

  1697. 

  1698. } // namespace

  1699. 

  1700. #ifdef __cplusplus

  1701. extern "C"

  1702. {

  1703. #endif

  1704. 

  1705.    SERVER_EXPORT jack_driver_desc_t* jack_get_descriptor()

  1706.    {

  1707.         jack_driver_desc_t * desc;

  1708.         jack_driver_desc_filler_t filler;

  1709.         jack_driver_param_value_t value;

  1710. 

  1711.         desc = jack_driver_descriptor_construct("audioadapter", JackDriverNone, "netjack audio <==> net backend adapter", &filler);

  1712. 

  1713.         value.i = -1;

  1714.         jack_driver_descriptor_add_parameter(desc, &filler, "in-channels", 'i', JackDriverParamInt, &value, NULL, "Maximum number of input channels", "Maximum number of input channels. If -1, max possible number of input channels will be used");

  1715.         jack_driver_descriptor_add_parameter(desc, &filler, "out-channels", 'o', JackDriverParamInt, &value, NULL, "Maximum number of output channels", "Maximum number of output channels. If -1, max possible number of output channels will be used");

  1716. 

  1717.         value.str[0] = 0;

  1718.         jack_driver_descriptor_add_parameter(desc, &filler, "capture", 'C', JackDriverParamString, &value, NULL, "Input CoreAudio device name", NULL);

  1719.         jack_driver_descriptor_add_parameter(desc, &filler, "playback", 'P', JackDriverParamString, &value, NULL, "Output CoreAudio device name", NULL);

  1720. 

  1721.         value.ui = 44100U;

  1722.         jack_driver_descriptor_add_parameter(desc, &filler, "rate", 'r', JackDriverParamUInt, &value, NULL, "Sample rate", NULL);

  1723. 

  1724.         value.ui = 512U;

  1725.         jack_driver_descriptor_add_parameter(desc, &filler, "period", 'p', JackDriverParamUInt, &value, NULL, "Frames per period", NULL);

  1726. 

  1727.         value.i = true;

  1728.         jack_driver_descriptor_add_parameter(desc, &filler, "duplex", 'D', JackDriverParamBool, &value, NULL, "Provide both capture and playback ports", NULL);

  1729. 

  1730.         value.str[0] = 0;

  1731.         jack_driver_descriptor_add_parameter(desc, &filler, "device", 'd', JackDriverParamString, &value, NULL, "CoreAudio device name", NULL);

  1732. 

  1733.         value.i = true;

  1734.         jack_driver_descriptor_add_parameter(desc, &filler, "list-devices", 'l', JackDriverParamBool, &value, NULL, "Display available CoreAudio devices", NULL);

  1735. 

  1736.         value.ui = 0;

  1737.         jack_driver_descriptor_add_parameter(desc, &filler, "quality", 'q', JackDriverParamInt, &value, NULL, "Resample algorithm quality (0 - 4)", NULL);

  1738. 

  1739.         value.ui = 32768;

  1740.         jack_driver_descriptor_add_parameter(desc, &filler, "ring-buffer", 'g', JackDriverParamInt, &value, NULL, "Fixed ringbuffer size", "Fixed ringbuffer size (if not set => automatic adaptative)");

  1741. 

  1742.         value.i = false;

  1743.         jack_driver_descriptor_add_parameter(desc, &filler, "clock-drift", 's', JackDriverParamBool, &value, NULL, "Clock drift compensation", "Whether to compensate clock drift in dynamically created aggregate device");

  1744. 

  1745.         value.i = false;

  1746.         jack_driver_descriptor_add_parameter(desc, &filler, "auto-connect", 'c', JackDriverParamBool, &value, NULL, "Auto connect audioadapter to system ports", NULL);

  1747. 

  1748.         return desc;

  1749.     }

  1750. 

  1751. 

  1752. #ifdef __cplusplus

  1753. }

  1754. #endif