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jack2/macosx/coreaudio/JackCoreAudioAdapter.cpp

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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.     JackCoreAudioAdapter* adapter = static_cast<JackCoreAudioAdapter*>(inRefCon);

  297.     OSStatus err = AudioUnitRender(adapter->fAUHAL, ioActionFlags, inTimeStamp, 1, inNumberFrames, adapter->fInputData);

  298. 

  299.     if (err == noErr) {

  300.         jack_default_audio_sample_t* inputBuffer[adapter->fCaptureChannels];

  301.         jack_default_audio_sample_t* outputBuffer[adapter->fPlaybackChannels];

  302. 

  303.         for (int i = 0; i < adapter->fCaptureChannels; i++) {

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

  305.         }

  306.         for (int i = 0; i < adapter->fPlaybackChannels; i++) {

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

  308.         }

  309. 

  310.         adapter->PushAndPull((jack_default_audio_sample_t**)inputBuffer, (jack_default_audio_sample_t**)outputBuffer, inNumberFrames);

  311.         return noErr;

  312.     } else {

  313.         return err;

  314.     }

  315. }

  316. 

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

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

  319. {

  320.     const JSList* node;

  321.     const jack_driver_param_t* param;

  322.     int in_nChannels = 0;

  323.     int out_nChannels = 0;

  324.     char captureName[256];

  325.     char playbackName[256];

  326.     fCaptureUID[0] = 0;

  327.     fPlaybackUID[0] = 0;

  328.     fClockDriftCompensate = false;

  329. 

  330.     // Default values

  331.     fCaptureChannels = -1;

  332.     fPlaybackChannels = -1;

  333. 

  334.     SInt32 major;

  335.     SInt32 minor;

  336.     Gestalt(gestaltSystemVersionMajor, &major);

  337.     Gestalt(gestaltSystemVersionMinor, &minor);

  338. 

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

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

  341.         CFRunLoopRef theRunLoop = NULL;

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

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

  344.         if (theError != noErr) {

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

  346.         }

  347.     }

  348. 

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

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

  351. 

  352.         switch (param->character) {

  353. 

  354.             case 'c' :

  355.                 fCaptureChannels = fPlaybackChannels = param->value.ui;

  356.                 break;

  357. 

  358.             case 'i':

  359.                 fCaptureChannels = param->value.ui;

  360.                 break;

  361. 

  362.             case 'o':

  363.                 fPlaybackChannels = param->value.ui;

  364.                 break;

  365. 

  366.             case 'C':

  367.                 fCapturing = true;

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

  369.                 break;

  370. 

  371.             case 'P':

  372.                 fPlaying = true;

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

  374.                 break;

  375. 

  376.             case 'd':

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

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

  379.                 break;

  380. 

  381.             case 'D':

  382.                 fCapturing = fPlaying = true;

  383.                 break;

  384. 

  385.             case 'r':

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

  387.                 break;

  388. 

  389.             case 'p':

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

  391.                 break;

  392. 

  393.             case 'l':

  394.                 DisplayDeviceNames();

  395.                 break;

  396. 

  397.             case 'q':

  398.                 fQuality = param->value.ui;

  399.                 break;

  400. 

  401.             case 'g':

  402.                 fRingbufferCurSize = param->value.ui;

  403.                 fAdaptative = false;

  404.                 break;

  405. 

  406.             case 's':

  407.                 fClockDriftCompensate = true;

  408.                 break;

  409.         }

  410.     }

  411. 

  412.     /* duplex is the default */

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

  414.         fCapturing = true;

  415.         fPlaying = true;

  416.     }

  417. 

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

  419.        throw std::bad_alloc();

  420.     }

  421. 

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

  423.         throw std::bad_alloc();

  424.     }

  425. 

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

  427.         throw std::bad_alloc();

  428.     }

  429. 

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

  431.         throw std::bad_alloc();

  432.     }

  433. 

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

  435.         throw std::bad_alloc();

  436.     }

  437. 

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

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

  440.             throw std::bad_alloc();

  441.         }

  442.     }

  443. 

  444.     if (AddListeners() < 0) {

  445.         throw std::bad_alloc();

  446.     }

  447. 

  448.     GetStreamLatencies(fDeviceID, true, fInputLatencies);

  449.     GetStreamLatencies(fDeviceID, false, fOutputLatencies);

  450. }

  451. 

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

  453. {

  454.     OSStatus res;

  455.     UInt32 theSize = sizeof(UInt32);

  456.     AudioDeviceID inDefault;

  457.     AudioDeviceID outDefault;

  458. 

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

  460.         return res;

  461.     }

  462. 

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

  464.         return res;

  465.     }

  466. 

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

  468. 

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

  470.     if (inDefault != outDefault) {

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

  472.         return kAudioHardwareBadDeviceError;

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

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

  475.         return kAudioHardwareBadDeviceError;

  476.     } else {

  477.         *id = inDefault;

  478.         return noErr;

  479.     }

  480. }

  481. 

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

  483. {

  484.     OSStatus err = noErr;

  485.     UInt32	outSize;

  486.     Boolean	outWritable;

  487. 

  488.     channelCount = 0;

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

  490.     if (err == noErr) {

  491.         AudioBufferList bufferList[outSize];

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

  493.         if (err == noErr) {

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

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

  496.             }

  497.         }

  498.     }

  499. 

  500.     return err;

  501. }

  502. 

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

  504. {

  505.     UInt32 size = sizeof(AudioValueTranslation);

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

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

  508. 

  509.     if (inIUD == NULL) {

  510.         return kAudioHardwareUnspecifiedError;

  511.     } else {

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

  513.         CFRelease(inIUD);

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

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

  516.     }

  517. }

  518. 

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

  520. {

  521.     OSStatus res;

  522.     UInt32 theSize = sizeof(UInt32);

  523.     AudioDeviceID inDefault;

  524. 

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

  526.         return res;

  527.     }

  528. 

  529.     if (inDefault == 0) {

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

  531.         return -1;

  532.     }

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

  534.     *id = inDefault;

  535.     return noErr;

  536. }

  537. 

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

  539. {

  540.     OSStatus res;

  541.     UInt32 theSize = sizeof(UInt32);

  542.     AudioDeviceID outDefault;

  543. 

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

  545.         return res;

  546.     }

  547. 

  548.     if (outDefault == 0) {

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

  550.         return -1;

  551.     }

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

  553.     *id = outDefault;

  554.     return noErr;

  555. }

  556. 

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

  558. {

  559.     UInt32 size = 256;

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

  561. }

  562. 

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

  564. {

  565.     UInt32 size;

  566.     Boolean isWritable;

  567.     int i, deviceNum;

  568. 

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

  570.     if (err != noErr) {

  571.         return -1;

  572.     }

  573. 

  574.     deviceNum = size / sizeof(AudioDeviceID);

  575.     AudioDeviceID devices[deviceNum];

  576. 

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

  578.     if (err != noErr) {

  579.         return err;

  580.     }

  581. 

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

  583.         char device_name[256];

  584.         size = 256;

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

  586.         if (err != noErr) {

  587.             return -1;

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

  589.             return devices[i];

  590.         }

  591.     }

  592. 

  593.     return -1;

  594. }

  595. 

  596. // Setup

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

  598.                                         const char* playback_driver_uid,

  599.                                         char* capture_driver_name,

  600.                                         char* playback_driver_name,

  601.                                         jack_nframes_t samplerate)

  602. {

  603.     capture_driver_name[0] = 0;

  604.     playback_driver_name[0] = 0;

  605. 

  606.     // Duplex

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

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

  609. 

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

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

  612. 

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

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

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

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

  617.                     return -1;

  618.                 }

  619.             }

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

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

  622.                 return -1;

  623.             }

  624. 

  625.         } else {

  626. 

  627.             // Creates aggregate device

  628.             AudioDeviceID captureID, playbackID;

  629. 

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

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

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

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

  634.                     return -1;

  635.                 }

  636.             }

  637. 

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

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

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

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

  642.                     return -1;

  643.                 }

  644.             }

  645. 

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

  647.                 return -1;

  648.             }

  649.         }

  650. 

  651.     // Capture only

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

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

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

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

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

  657.                 return -1;

  658.             }

  659.         }

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

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

  662.             return -1;

  663.         }

  664. 

  665.     // Playback only

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

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

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

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

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

  671.                 return -1;

  672.             }

  673.         }

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

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

  676.             return -1;

  677.         }

  678. 

  679.     // Use default driver in duplex mode

  680.     } else {

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

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

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

  684. 

  685.             // Creates aggregate device

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

  687. 

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

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

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

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

  692.                     goto built_in;

  693.                 }

  694.             }

  695. 

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

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

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

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

  700.                     goto built_in;

  701.                 }

  702.             }

  703. 

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

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

  706.                     goto built_in;

  707.                 }

  708.             } else {

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

  710.                 goto built_in;

  711.             }

  712.         }

  713.     }

  714. 

  715.     return 0;

  716. 

  717. built_in:

  718. 

  719.     // Aggregate built-in input and output

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

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

  722. 

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

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

  725.             return -1;

  726.         }

  727.     } else {

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

  729.         return -1;

  730.     }

  731. 

  732.     return 0;

  733. }

  734. 

  735. int JackCoreAudioAdapter::SetupChannels(bool capturing,

  736.                                         bool playing,

  737.                                         int& inchannels,

  738.                                         int& outchannels,

  739.                                         int& in_nChannels,

  740.                                         int& out_nChannels,

  741.                                         bool strict)

  742. {

  743.     OSStatus err = noErr;

  744. 

  745.     if (capturing) {

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

  747.         if (err != noErr) {

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

  749.             printError(err);

  750.             return -1;

  751.         } else {

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

  753.         }

  754.     }

  755. 

  756.     if (playing) {

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

  758.         if (err != noErr) {

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

  760.             printError(err);

  761.             return -1;

  762.         } else {

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

  764.         }

  765.     }

  766. 

  767.     if (inchannels > in_nChannels) {

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

  769.         if (strict) {

  770.             return -1;

  771.         }

  772.     }

  773. 

  774.     if (outchannels > out_nChannels) {

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

  776.         if (strict) {

  777.             return -1;

  778.         }

  779.     }

  780. 

  781.     if (inchannels == -1) {

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

  783.         inchannels = in_nChannels;

  784.     }

  785. 

  786.     if (outchannels == -1) {

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

  788.         outchannels = out_nChannels;

  789.     }

  790. 

  791.     return 0;

  792. }

  793. 

  794. int JackCoreAudioAdapter::SetupBufferSize(jack_nframes_t buffer_size)

  795. {

  796.     // Setting buffer size

  797.     UInt32 outSize = sizeof(UInt32);

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

  799.     if (err != noErr) {

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

  801.         printError(err);

  802.         return -1;

  803.     }

  804. 

  805.     return 0;

  806. }

  807. 

  808. int JackCoreAudioAdapter::SetupSampleRate(jack_nframes_t samplerate)

  809. {

  810.     return SetupSampleRateAux(fDeviceID, samplerate);

  811. }

  812. 

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

  814. {

  815.     OSStatus err = noErr;

  816.     UInt32 outSize;

  817.     Float64 sampleRate;

  818. 

  819.     // Get sample rate

  820.     outSize =  sizeof(Float64);

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

  822.     if (err != noErr) {

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

  824.         printError(err);

  825.         return -1;

  826.     } else {

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

  828.     }

  829. 

  830.     // If needed, set new sample rate

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

  832.         sampleRate = (Float64)samplerate;

  833. 

  834.         // To get SR change notification

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

  836.         if (err != noErr) {

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

  838.             printError(err);

  839.             return -1;

  840.         }

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

  842.         if (err != noErr) {

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

  844.             printError(err);

  845.             return -1;

  846.         }

  847. 

  848.         // Waiting for SR change notification

  849.         int count = 0;

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

  851.             usleep(100000);

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

  853.         }

  854. 

  855.         // Remove SR change notification

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

  857.     }

  858. 

  859.     return 0;

  860. }

  861. 

  862. int JackCoreAudioAdapter::SetupBuffers(int inchannels)

  863. {

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

  865. 

  866.     // Prepare buffers

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

  868.     fInputData->mNumberBuffers = inchannels;

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

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

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

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

  873.     }

  874.     return 0;

  875. }

  876. 

  877. void JackCoreAudioAdapter::DisposeBuffers()

  878. {

  879.     if (fInputData) {

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

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

  882.         }

  883.         free(fInputData);

  884.         fInputData = 0;

  885.     }

  886. }

  887. 

  888. int JackCoreAudioAdapter::OpenAUHAL(bool capturing,

  889.                                    bool playing,

  890.                                    int inchannels,

  891.                                    int outchannels,

  892.                                    int in_nChannels,

  893.                                    int out_nChannels,

  894.                                    jack_nframes_t buffer_size,

  895.                                    jack_nframes_t samplerate)

  896. {

  897.     ComponentResult err1;

  898.     UInt32 enableIO;

  899.     AudioStreamBasicDescription srcFormat, dstFormat;

  900.     AudioDeviceID currAudioDeviceID;

  901.     UInt32 size;

  902. 

  903.     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);

  904. 

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

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

  907.         return -1;

  908.     }

  909. 

  910.     // AUHAL

  911. #ifdef MAC_OS_X_VERSION_10_5

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

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

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

  915.     if (err1 != noErr) {

  916.         jack_error("Error calling OpenAComponent");

  917.         printError(err1);

  918.         goto error;

  919.     }

  920. #else 

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

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

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

  924.     if (err1 != noErr) {

  925.         jack_error("Error calling AudioComponentInstanceNew");

  926.         printError(err1);

  927.         goto error;

  928.     }

  929. #endif

  930.   

  931.     err1 = AudioUnitInitialize(fAUHAL);

  932.     if (err1 != noErr) {

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

  934.         printError(err1);

  935.         goto error;

  936.     }

  937. 

  938.     // Start I/O

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

  940.         enableIO = 1;

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

  942.     } else {

  943.         enableIO = 0;

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

  945.     }

  946. 

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

  948.     if (err1 != noErr) {

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

  950.         printError(err1);

  951.         goto error;

  952.     }

  953. 

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

  955.         enableIO = 1;

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

  957.     } else {

  958.         enableIO = 0;

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

  960.     }

  961. 

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

  963.     if (err1 != noErr) {

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

  965.         printError(err1);

  966.         goto error;

  967.     }

  968. 

  969.     size = sizeof(AudioDeviceID);

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

  971.     if (err1 != noErr) {

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

  973.         printError(err1);

  974.         goto error;

  975.     } else {

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

  977.     }

  978. 

  979.     // Setup up choosen device, in both input and output cases

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

  981.     if (err1 != noErr) {

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

  983.         printError(err1);

  984.         goto error;

  985.     }

  986. 

  987.     // Set buffer size

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

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

  990.         if (err1 != noErr) {

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

  992.             printError(err1);

  993.             goto error;

  994.         }

  995.     }

  996. 

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

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

  999.         if (err1 != noErr) {

  1000.             jack_error("Error calling AudioUnitSetProperty - kAudioUnitProperty_MaximumFramesPerSlice");

  1001.             printError(err1);

  1002.             goto error;

  1003.         }

  1004.     }

  1005. 

  1006.     // Setup channel map

  1007.     if (capturing && inchannels > 0 && inchannels <= in_nChannels) {

  1008.         SInt32 chanArr[in_nChannels];

  1009.         for (int i = 0; i < in_nChannels; i++) {

  1010.             chanArr[i] = -1;

  1011.         }

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

  1013.             chanArr[i] = i;

  1014.         }

  1015.         AudioUnitSetProperty(fAUHAL, kAudioOutputUnitProperty_ChannelMap , kAudioUnitScope_Input, 1, chanArr, sizeof(SInt32) * in_nChannels);

  1016.         if (err1 != noErr) {

  1017.             jack_error("Error calling AudioUnitSetProperty - kAudioOutputUnitProperty_ChannelMap 1");

  1018.             printError(err1);

  1019.             goto error;

  1020.         }

  1021.     }

  1022. 

  1023.     if (playing && outchannels > 0 && outchannels <= out_nChannels) {

  1024.         SInt32 chanArr[out_nChannels];

  1025.         for (int i = 0;	i < out_nChannels; i++) {

  1026.             chanArr[i] = -1;

  1027.         }

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

  1029.             chanArr[i] = i;

  1030.         }

  1031.         err1 = AudioUnitSetProperty(fAUHAL, kAudioOutputUnitProperty_ChannelMap, kAudioUnitScope_Output, 0, chanArr, sizeof(SInt32) * out_nChannels);

  1032.         if (err1 != noErr) {

  1033.             jack_error("Error calling AudioUnitSetProperty - kAudioOutputUnitProperty_ChannelMap 0");

  1034.             printError(err1);

  1035.             goto error;

  1036.         }

  1037.     }

  1038. 

  1039.     // Setup stream converters

  1040.     if (capturing && inchannels > 0) {

  1041. 

  1042.         size = sizeof(AudioStreamBasicDescription);

  1043.         err1 = AudioUnitGetProperty(fAUHAL, kAudioUnitProperty_StreamFormat, kAudioUnitScope_Output, 0, &srcFormat, &size);

  1044.         if (err1 != noErr) {

  1045.             jack_error("Error calling AudioUnitGetProperty - kAudioUnitProperty_StreamFormat kAudioUnitScope_Input");

  1046.             printError(err1);

  1047.             goto error;

  1048.         }

  1049.         PrintStreamDesc(&srcFormat);

  1050. 

  1051.         jack_log("Setup AUHAL input stream converter SR = %ld", samplerate);

  1052.         srcFormat.mSampleRate = samplerate;

  1053.         srcFormat.mFormatID = kAudioFormatLinearPCM;

  1054.         srcFormat.mFormatFlags = kAudioFormatFlagsNativeFloatPacked | kLinearPCMFormatFlagIsNonInterleaved;

  1055.         srcFormat.mBytesPerPacket = sizeof(jack_default_audio_sample_t);

  1056.         srcFormat.mFramesPerPacket = 1;

  1057.         srcFormat.mBytesPerFrame = sizeof(jack_default_audio_sample_t);

  1058.         srcFormat.mChannelsPerFrame = inchannels;

  1059.         srcFormat.mBitsPerChannel = 32;

  1060.         PrintStreamDesc(&srcFormat);

  1061. 

  1062.         err1 = AudioUnitSetProperty(fAUHAL, kAudioUnitProperty_StreamFormat, kAudioUnitScope_Output, 1, &srcFormat, sizeof(AudioStreamBasicDescription));

  1063. 

  1064.         if (err1 != noErr) {

  1065.             jack_error("Error calling AudioUnitSetProperty - kAudioUnitProperty_StreamFormat kAudioUnitScope_Input");

  1066.             printError(err1);

  1067.             goto error;

  1068.         }

  1069.     }

  1070. 

  1071.     if (playing && outchannels > 0) {

  1072. 

  1073.         size = sizeof(AudioStreamBasicDescription);

  1074.         err1 = AudioUnitGetProperty(fAUHAL, kAudioUnitProperty_StreamFormat, kAudioUnitScope_Input, 1, &dstFormat, &size);

  1075.         if (err1 != noErr) {

  1076.             jack_error("Error calling AudioUnitGetProperty - kAudioUnitProperty_StreamFormat kAudioUnitScope_Output");

  1077.             printError(err1);

  1078.             goto error;

  1079.         }

  1080.         PrintStreamDesc(&dstFormat);

  1081. 

  1082.         jack_log("Setup AUHAL output stream converter SR = %ld", samplerate);

  1083.         dstFormat.mSampleRate = samplerate;

  1084.         dstFormat.mFormatID = kAudioFormatLinearPCM;

  1085.         dstFormat.mFormatFlags = kAudioFormatFlagsNativeFloatPacked | kLinearPCMFormatFlagIsNonInterleaved;

  1086.         dstFormat.mBytesPerPacket = sizeof(jack_default_audio_sample_t);

  1087.         dstFormat.mFramesPerPacket = 1;

  1088.         dstFormat.mBytesPerFrame = sizeof(jack_default_audio_sample_t);

  1089.         dstFormat.mChannelsPerFrame = outchannels;

  1090.         dstFormat.mBitsPerChannel = 32;

  1091.         PrintStreamDesc(&dstFormat);

  1092. 

  1093.         err1 = AudioUnitSetProperty(fAUHAL, kAudioUnitProperty_StreamFormat, kAudioUnitScope_Input, 0, &dstFormat, sizeof(AudioStreamBasicDescription));

  1094. 

  1095.         if (err1 != noErr) {

  1096.             jack_error("Error calling AudioUnitSetProperty - kAudioUnitProperty_StreamFormat kAudioUnitScope_Output");

  1097.             printError(err1);

  1098.             goto error;

  1099.         }

  1100.     }

  1101. 

  1102.     // Setup callbacks

  1103.     if (inchannels > 0 && outchannels == 0) {

  1104.         AURenderCallbackStruct output;

  1105.         output.inputProc = Render;

  1106.         output.inputProcRefCon = this;

  1107.         err1 = AudioUnitSetProperty(fAUHAL, kAudioOutputUnitProperty_SetInputCallback, kAudioUnitScope_Global, 0, &output, sizeof(output));

  1108.         if (err1 != noErr) {

  1109.             jack_error("Error calling  AudioUnitSetProperty - kAudioUnitProperty_SetRenderCallback 1");

  1110.             printError(err1);

  1111.             goto error;

  1112.         }

  1113.     } else {

  1114.         AURenderCallbackStruct output;

  1115.         output.inputProc = Render;

  1116.         output.inputProcRefCon = this;

  1117.         err1 = AudioUnitSetProperty(fAUHAL, kAudioUnitProperty_SetRenderCallback, kAudioUnitScope_Input, 0, &output, sizeof(output));

  1118.         if (err1 != noErr) {

  1119.             jack_error("Error calling AudioUnitSetProperty - kAudioUnitProperty_SetRenderCallback 0");

  1120.             printError(err1);

  1121.             goto error;

  1122.         }

  1123.     }

  1124. 

  1125.     return 0;

  1126. 

  1127. error:

  1128.     CloseAUHAL();

  1129.     return -1;

  1130. }

  1131. 

  1132. OSStatus JackCoreAudioAdapter::DestroyAggregateDevice()

  1133. {

  1134.     OSStatus osErr = noErr;

  1135.     AudioObjectPropertyAddress pluginAOPA;

  1136.     pluginAOPA.mSelector = kAudioPlugInDestroyAggregateDevice;

  1137.     pluginAOPA.mScope = kAudioObjectPropertyScopeGlobal;

  1138.     pluginAOPA.mElement = kAudioObjectPropertyElementMaster;

  1139.     UInt32 outDataSize;

  1140. 

  1141.     osErr = AudioObjectGetPropertyDataSize(fPluginID, &pluginAOPA, 0, NULL, &outDataSize);

  1142.     if (osErr != noErr) {

  1143.         jack_error("JackCoreAudioAdapter::DestroyAggregateDevice : AudioObjectGetPropertyDataSize error");

  1144.         printError(osErr);

  1145.         return osErr;

  1146.     }

  1147. 

  1148.     osErr = AudioObjectGetPropertyData(fPluginID, &pluginAOPA, 0, NULL, &outDataSize, &fDeviceID);

  1149.     if (osErr != noErr) {

  1150.         jack_error("JackCoreAudioAdapter::DestroyAggregateDevice : AudioObjectGetPropertyData error");

  1151.         printError(osErr);

  1152.         return osErr;

  1153.     }

  1154. 

  1155.     return noErr;

  1156. }

  1157. 

  1158. static CFStringRef GetDeviceName(AudioDeviceID id)

  1159. {

  1160.     UInt32 size = sizeof(CFStringRef);

  1161.     CFStringRef UIname;

  1162.     OSStatus err = AudioDeviceGetProperty(id, 0, false, kAudioDevicePropertyDeviceUID, &size, &UIname);

  1163.     return (err == noErr) ? UIname : NULL;

  1164. }

  1165. 

  1166. OSStatus JackCoreAudioAdapter::CreateAggregateDevice(AudioDeviceID captureDeviceID, AudioDeviceID playbackDeviceID, jack_nframes_t samplerate, AudioDeviceID* outAggregateDevice)

  1167. {

  1168.     OSStatus err = noErr;

  1169.     AudioObjectID sub_device[32];

  1170.     UInt32 outSize = sizeof(sub_device);

  1171. 

  1172.     err = AudioDeviceGetProperty(captureDeviceID, 0, kAudioDeviceSectionGlobal, kAudioAggregateDevicePropertyActiveSubDeviceList, &outSize, sub_device);

  1173.     vector<AudioDeviceID> captureDeviceIDArray;

  1174. 

  1175.     if (err != noErr) {

  1176.         jack_log("Input device does not have subdevices");

  1177.         captureDeviceIDArray.push_back(captureDeviceID);

  1178.     } else {

  1179.         int num_devices = outSize / sizeof(AudioObjectID);

  1180.         jack_log("Input device has %d subdevices", num_devices);

  1181.         for (int i = 0; i < num_devices; i++) {

  1182.             captureDeviceIDArray.push_back(sub_device[i]);

  1183.         }

  1184.     }

  1185. 

  1186.     err = AudioDeviceGetProperty(playbackDeviceID, 0, kAudioDeviceSectionGlobal, kAudioAggregateDevicePropertyActiveSubDeviceList, &outSize, sub_device);

  1187.     vector<AudioDeviceID> playbackDeviceIDArray;

  1188. 

  1189.     if (err != noErr) {

  1190.         jack_log("Output device does not have subdevices");

  1191.         playbackDeviceIDArray.push_back(playbackDeviceID);

  1192.     } else {

  1193.         int num_devices = outSize / sizeof(AudioObjectID);

  1194.         jack_log("Output device has %d subdevices", num_devices);

  1195.         for (int i = 0; i < num_devices; i++) {

  1196.             playbackDeviceIDArray.push_back(sub_device[i]);

  1197.         }

  1198.     }

  1199. 

  1200.     return CreateAggregateDeviceAux(captureDeviceIDArray, playbackDeviceIDArray, samplerate, outAggregateDevice);

  1201. }

  1202. 

  1203. OSStatus JackCoreAudioAdapter::CreateAggregateDeviceAux(vector<AudioDeviceID> captureDeviceID, vector<AudioDeviceID> playbackDeviceID, jack_nframes_t samplerate, AudioDeviceID* outAggregateDevice)

  1204. {

  1205.     OSStatus osErr = noErr;

  1206.     UInt32 outSize;

  1207.     Boolean outWritable;

  1208. 

  1209.     // Prepare sub-devices for clock drift compensation

  1210.     // Workaround for bug in the HAL : until 10.6.2

  1211.     AudioObjectPropertyAddress theAddressOwned = { kAudioObjectPropertyOwnedObjects, kAudioObjectPropertyScopeGlobal, kAudioObjectPropertyElementMaster };

  1212.     AudioObjectPropertyAddress theAddressDrift = { kAudioSubDevicePropertyDriftCompensation, kAudioObjectPropertyScopeGlobal, kAudioObjectPropertyElementMaster };

  1213.     UInt32 theQualifierDataSize = sizeof(AudioObjectID);

  1214.     AudioClassID inClass = kAudioSubDeviceClassID;

  1215.     void* theQualifierData = &inClass;

  1216.     UInt32 subDevicesNum = 0;

  1217. 

  1218.     //---------------------------------------------------------------------------

  1219.     // Setup SR of both devices otherwise creating AD may fail...

  1220.     //---------------------------------------------------------------------------

  1221.     UInt32 keptclockdomain = 0;

  1222.     UInt32 clockdomain = 0;

  1223.     outSize = sizeof(UInt32);

  1224.     bool need_clock_drift_compensation = false;

  1225. 

  1226.     for (UInt32 i = 0; i < captureDeviceID.size(); i++) {

  1227.         if (SetupSampleRateAux(captureDeviceID[i], samplerate) < 0) {

  1228.             jack_error("JackCoreAudioAdapter::CreateAggregateDevice : cannot set SR of input device");

  1229.         } else  {

  1230.             // Check clock domain

  1231.             osErr = AudioDeviceGetProperty(captureDeviceID[i], 0, kAudioDeviceSectionGlobal, kAudioDevicePropertyClockDomain, &outSize, &clockdomain);

  1232.             if (osErr != 0) {

  1233.                 jack_error("JackCoreAudioAdapter::CreateAggregateDevice : kAudioDevicePropertyClockDomain error");

  1234.                 printError(osErr);

  1235.             } else {

  1236.                 keptclockdomain = (keptclockdomain == 0) ? clockdomain : keptclockdomain;

  1237.                 jack_log("JackCoreAudioAdapter::CreateAggregateDevice : input clockdomain = %d", clockdomain);

  1238.                 if (clockdomain != 0 && clockdomain != keptclockdomain) {

  1239.                     jack_error("JackCoreAudioAdapter::CreateAggregateDevice : devices do not share the same clock!! clock drift compensation would be needed...");

  1240.                     need_clock_drift_compensation = true;

  1241.                 }

  1242.             }

  1243.         }

  1244.     }

  1245. 

  1246.     for (UInt32 i = 0; i < playbackDeviceID.size(); i++) {

  1247.         if (SetupSampleRateAux(playbackDeviceID[i], samplerate) < 0) {

  1248.             jack_error("JackCoreAudioAdapter::CreateAggregateDevice : cannot set SR of output device");

  1249.         } else {

  1250.             // Check clock domain

  1251.             osErr = AudioDeviceGetProperty(playbackDeviceID[i], 0, kAudioDeviceSectionGlobal, kAudioDevicePropertyClockDomain, &outSize, &clockdomain);

  1252.             if (osErr != 0) {

  1253.                 jack_error("JackCoreAudioAdapter::CreateAggregateDevice : kAudioDevicePropertyClockDomain error");

  1254.                 printError(osErr);

  1255.             } else {

  1256.                 keptclockdomain = (keptclockdomain == 0) ? clockdomain : keptclockdomain;

  1257.                 jack_log("JackCoreAudioAdapter::CreateAggregateDevice : output clockdomain = %d", clockdomain);

  1258.                 if (clockdomain != 0 && clockdomain != keptclockdomain) {

  1259.                     jack_error("JackCoreAudioAdapter::CreateAggregateDevice : devices do not share the same clock!! clock drift compensation would be needed...");

  1260.                     need_clock_drift_compensation = true;

  1261.                 }

  1262.             }

  1263.         }

  1264.     }

  1265. 

  1266.     // If no valid clock domain was found, then assume we have to compensate...

  1267.     if (keptclockdomain == 0) {

  1268.         need_clock_drift_compensation = true;

  1269.     }

  1270. 

  1271.     //---------------------------------------------------------------------------

  1272.     // Start to create a new aggregate by getting the base audio hardware plugin

  1273.     //---------------------------------------------------------------------------

  1274. 

  1275.     char device_name[256];

  1276.     for (UInt32 i = 0; i < captureDeviceID.size(); i++) {

  1277.         GetDeviceNameFromID(captureDeviceID[i], device_name);

  1278.         jack_info("Separated input = '%s' ", device_name);

  1279.     }

  1280. 

  1281.     for (UInt32 i = 0; i < playbackDeviceID.size(); i++) {

  1282.         GetDeviceNameFromID(playbackDeviceID[i], device_name);

  1283.         jack_info("Separated output = '%s' ", device_name);

  1284.     }

  1285. 

  1286.     osErr = AudioHardwareGetPropertyInfo(kAudioHardwarePropertyPlugInForBundleID, &outSize, &outWritable);

  1287.     if (osErr != noErr) {

  1288.         jack_error("JackCoreAudioAdapter::CreateAggregateDevice : AudioHardwareGetPropertyInfo kAudioHardwarePropertyPlugInForBundleID error");

  1289.         printError(osErr);

  1290.         return osErr;

  1291.     }

  1292. 

  1293.     AudioValueTranslation pluginAVT;

  1294. 

  1295.     CFStringRef inBundleRef = CFSTR("com.apple.audio.CoreAudio");

  1296. 

  1297.     pluginAVT.mInputData = &inBundleRef;

  1298.     pluginAVT.mInputDataSize = sizeof(inBundleRef);

  1299.     pluginAVT.mOutputData = &fPluginID;

  1300.     pluginAVT.mOutputDataSize = sizeof(fPluginID);

  1301. 

  1302.     osErr = AudioHardwareGetProperty(kAudioHardwarePropertyPlugInForBundleID, &outSize, &pluginAVT);

  1303.     if (osErr != noErr) {

  1304.         jack_error("JackCoreAudioAdapter::CreateAggregateDevice : AudioHardwareGetProperty kAudioHardwarePropertyPlugInForBundleID error");

  1305.         printError(osErr);

  1306.         return osErr;

  1307.     }

  1308. 

  1309.     //-------------------------------------------------

  1310.     // Create a CFDictionary for our aggregate device

  1311.     //-------------------------------------------------

  1312. 

  1313.     CFMutableDictionaryRef aggDeviceDict = CFDictionaryCreateMutable(NULL, 0, &kCFTypeDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks);

  1314. 

  1315.     CFStringRef AggregateDeviceNameRef = CFSTR("JackDuplex");

  1316.     CFStringRef AggregateDeviceUIDRef = CFSTR("com.grame.JackDuplex");

  1317. 

  1318.     // add the name of the device to the dictionary

  1319.     CFDictionaryAddValue(aggDeviceDict, CFSTR(kAudioAggregateDeviceNameKey), AggregateDeviceNameRef);

  1320. 

  1321.     // add our choice of UID for the aggregate device to the dictionary

  1322.     CFDictionaryAddValue(aggDeviceDict, CFSTR(kAudioAggregateDeviceUIDKey), AggregateDeviceUIDRef);

  1323. 

  1324.     // add a "private aggregate key" to the dictionary

  1325.     int value = 1;

  1326.     CFNumberRef AggregateDeviceNumberRef = CFNumberCreate(NULL, kCFNumberIntType, &value);

  1327. 

  1328.     SInt32 system;

  1329.     Gestalt(gestaltSystemVersion, &system);

  1330. 

  1331.     jack_log("JackCoreAudioAdapter::CreateAggregateDevice : system version = %x limit = %x", system, 0x00001054);

  1332. 

  1333.     // Starting with 10.5.4 systems, the AD can be internal... (better)

  1334.     if (system < 0x00001054) {

  1335.         jack_log("JackCoreAudioAdapter::CreateAggregateDevice : public aggregate device....");

  1336.     } else {

  1337.         jack_log("JackCoreAudioAdapter::CreateAggregateDevice : private aggregate device....");

  1338.         CFDictionaryAddValue(aggDeviceDict, CFSTR(kAudioAggregateDeviceIsPrivateKey), AggregateDeviceNumberRef);

  1339.     }

  1340. 

  1341.     // Prepare sub-devices for clock drift compensation

  1342.     CFMutableArrayRef subDevicesArrayClock = NULL;

  1343. 

  1344.     /*

  1345.      if (fClockDriftCompensate) {

  1346.      if (need_clock_drift_compensation) {

  1347.      jack_info("Clock drift compensation activated...");

  1348.      subDevicesArrayClock = CFArrayCreateMutable(NULL, 0, &kCFTypeArrayCallBacks);

  1349. 

  1350.      for (UInt32 i = 0; i < captureDeviceID.size(); i++) {

  1351.      CFStringRef UID = GetDeviceName(captureDeviceID[i]);

  1352.      if (UID) {

  1353.      CFMutableDictionaryRef subdeviceAggDeviceDict = CFDictionaryCreateMutable(NULL, 0, &kCFTypeDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks);

  1354.      CFDictionaryAddValue(subdeviceAggDeviceDict, CFSTR(kAudioSubDeviceUIDKey), UID);

  1355.      CFDictionaryAddValue(subdeviceAggDeviceDict, CFSTR(kAudioSubDeviceDriftCompensationKey), AggregateDeviceNumberRef);

  1356.      //CFRelease(UID);

  1357.      CFArrayAppendValue(subDevicesArrayClock, subdeviceAggDeviceDict);

  1358.      }

  1359.      }

  1360. 

  1361.      for (UInt32 i = 0; i < playbackDeviceID.size(); i++) {

  1362.      CFStringRef UID = GetDeviceName(playbackDeviceID[i]);

  1363.      if (UID) {

  1364.      CFMutableDictionaryRef subdeviceAggDeviceDict = CFDictionaryCreateMutable(NULL, 0, &kCFTypeDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks);

  1365.      CFDictionaryAddValue(subdeviceAggDeviceDict, CFSTR(kAudioSubDeviceUIDKey), UID);

  1366.      CFDictionaryAddValue(subdeviceAggDeviceDict, CFSTR(kAudioSubDeviceDriftCompensationKey), AggregateDeviceNumberRef);

  1367.      //CFRelease(UID);

  1368.      CFArrayAppendValue(subDevicesArrayClock, subdeviceAggDeviceDict);

  1369.      }

  1370.      }

  1371. 

  1372.      // add sub-device clock array for the aggregate device to the dictionary

  1373.      CFDictionaryAddValue(aggDeviceDict, CFSTR(kAudioAggregateDeviceSubDeviceListKey), subDevicesArrayClock);

  1374.      } else {

  1375.      jack_info("Clock drift compensation was asked but is not needed (devices use the same clock domain)");

  1376.      }

  1377.      }

  1378.      */

  1379. 

  1380.     //-------------------------------------------------

  1381.     // Create a CFMutableArray for our sub-device list

  1382.     //-------------------------------------------------

  1383. 

  1384.     // we need to append the UID for each device to a CFMutableArray, so create one here

  1385.     CFMutableArrayRef subDevicesArray = CFArrayCreateMutable(NULL, 0, &kCFTypeArrayCallBacks);

  1386. 

  1387.     vector<CFStringRef> captureDeviceUID;

  1388.     for (UInt32 i = 0; i < captureDeviceID.size(); i++) {

  1389.         CFStringRef ref = GetDeviceName(captureDeviceID[i]);

  1390.         if (ref == NULL) {

  1391.             return -1;

  1392.         }

  1393.         captureDeviceUID.push_back(ref);

  1394.         // input sub-devices in this example, so append the sub-device's UID to the CFArray

  1395.         CFArrayAppendValue(subDevicesArray, ref);

  1396.     }

  1397. 

  1398.     vector<CFStringRef> playbackDeviceUID;

  1399.     for (UInt32 i = 0; i < playbackDeviceID.size(); i++) {

  1400.         CFStringRef ref = GetDeviceName(playbackDeviceID[i]);

  1401.         if (ref == NULL) {

  1402.             return -1;

  1403.         }

  1404.         playbackDeviceUID.push_back(ref);

  1405.         // output sub-devices in this example, so append the sub-device's UID to the CFArray

  1406.         CFArrayAppendValue(subDevicesArray, ref);

  1407.     }

  1408. 

  1409.     //-----------------------------------------------------------------------

  1410.     // Feed the dictionary to the plugin, to create a blank aggregate device

  1411.     //-----------------------------------------------------------------------

  1412. 

  1413.     AudioObjectPropertyAddress pluginAOPA;

  1414.     pluginAOPA.mSelector = kAudioPlugInCreateAggregateDevice;

  1415.     pluginAOPA.mScope = kAudioObjectPropertyScopeGlobal;

  1416.     pluginAOPA.mElement = kAudioObjectPropertyElementMaster;

  1417.     UInt32 outDataSize;

  1418. 

  1419.     osErr = AudioObjectGetPropertyDataSize(fPluginID, &pluginAOPA, 0, NULL, &outDataSize);

  1420.     if (osErr != noErr) {

  1421.         jack_error("JackCoreAudioAdapter::CreateAggregateDevice : AudioObjectGetPropertyDataSize error");

  1422.         printError(osErr);

  1423.         goto error;

  1424.     }

  1425. 

  1426.     osErr = AudioObjectGetPropertyData(fPluginID, &pluginAOPA, sizeof(aggDeviceDict), &aggDeviceDict, &outDataSize, outAggregateDevice);

  1427.     if (osErr != noErr) {

  1428.         jack_error("JackCoreAudioAdapter::CreateAggregateDevice : AudioObjectGetPropertyData error");

  1429.         printError(osErr);

  1430.         goto error;

  1431.     }

  1432. 

  1433.     // pause for a bit to make sure that everything completed correctly

  1434.     // this is to work around a bug in the HAL where a new aggregate device seems to disappear briefly after it is created

  1435.     CFRunLoopRunInMode(kCFRunLoopDefaultMode, 0.1, false);

  1436. 

  1437.     //-------------------------

  1438.     // Set the sub-device list

  1439.     //-------------------------

  1440. 

  1441.     pluginAOPA.mSelector = kAudioAggregateDevicePropertyFullSubDeviceList;

  1442.     pluginAOPA.mScope = kAudioObjectPropertyScopeGlobal;

  1443.     pluginAOPA.mElement = kAudioObjectPropertyElementMaster;

  1444.     outDataSize = sizeof(CFMutableArrayRef);

  1445.     osErr = AudioObjectSetPropertyData(*outAggregateDevice, &pluginAOPA, 0, NULL, outDataSize, &subDevicesArray);

  1446.     if (osErr != noErr) {

  1447.         jack_error("JackCoreAudioAdapter::CreateAggregateDevice : AudioObjectSetPropertyData for sub-device list error");

  1448.         printError(osErr);

  1449.         goto error;

  1450.     }

  1451. 

  1452.     // pause again to give the changes time to take effect

  1453.     CFRunLoopRunInMode(kCFRunLoopDefaultMode, 0.1, false);

  1454. 

  1455.     //-----------------------

  1456.     // Set the master device

  1457.     //-----------------------

  1458. 

  1459.     // set the master device manually (this is the device which will act as the master clock for the aggregate device)

  1460.     // pass in the UID of the device you want to use

  1461.     pluginAOPA.mSelector = kAudioAggregateDevicePropertyMasterSubDevice;

  1462.     pluginAOPA.mScope = kAudioObjectPropertyScopeGlobal;

  1463.     pluginAOPA.mElement = kAudioObjectPropertyElementMaster;

  1464.     outDataSize = sizeof(CFStringRef);

  1465.     osErr = AudioObjectSetPropertyData(*outAggregateDevice, &pluginAOPA, 0, NULL, outDataSize, &captureDeviceUID[0]);  // First apture is master...

  1466.     if (osErr != noErr) {

  1467.         jack_error("JackCoreAudioAdapter::CreateAggregateDevice : AudioObjectSetPropertyData for master device error");

  1468.         printError(osErr);

  1469.         goto error;

  1470.     }

  1471. 

  1472.     // pause again to give the changes time to take effect

  1473.     CFRunLoopRunInMode(kCFRunLoopDefaultMode, 0.1, false);

  1474. 

  1475.     // Prepare sub-devices for clock drift compensation

  1476.     // Workaround for bug in the HAL : until 10.6.2

  1477. 

  1478.     if (fClockDriftCompensate) {

  1479.         if (need_clock_drift_compensation) {

  1480.             jack_info("Clock drift compensation activated...");

  1481. 

  1482.             // Get the property data size

  1483.             osErr = AudioObjectGetPropertyDataSize(*outAggregateDevice, &theAddressOwned, theQualifierDataSize, theQualifierData, &outSize);

  1484.             if (osErr != noErr) {

  1485.                 jack_error("JackCoreAudioAdapter::CreateAggregateDevice kAudioObjectPropertyOwnedObjects error");

  1486.                 printError(osErr);

  1487.             }

  1488. 

  1489.             //	Calculate the number of object IDs

  1490.             subDevicesNum = outSize / sizeof(AudioObjectID);

  1491.             jack_info("JackCoreAudioAdapter::CreateAggregateDevice clock drift compensation, number of sub-devices = %d", subDevicesNum);

  1492.             AudioObjectID subDevices[subDevicesNum];

  1493.             outSize = sizeof(subDevices);

  1494. 

  1495.             osErr = AudioObjectGetPropertyData(*outAggregateDevice, &theAddressOwned, theQualifierDataSize, theQualifierData, &outSize, subDevices);

  1496.             if (osErr != noErr) {

  1497.                 jack_error("JackCoreAudioAdapter::CreateAggregateDevice kAudioObjectPropertyOwnedObjects error");

  1498.                 printError(osErr);

  1499.             }

  1500. 

  1501.             // Set kAudioSubDevicePropertyDriftCompensation property...

  1502.             for (UInt32 index = 0; index < subDevicesNum; ++index) {

  1503.                 UInt32 theDriftCompensationValue = 1;

  1504.                 osErr = AudioObjectSetPropertyData(subDevices[index], &theAddressDrift, 0, NULL, sizeof(UInt32), &theDriftCompensationValue);

  1505.                 if (osErr != noErr) {

  1506.                     jack_error("JackCoreAudioAdapter::CreateAggregateDevice kAudioSubDevicePropertyDriftCompensation error");

  1507.                     printError(osErr);

  1508.                 }

  1509.             }

  1510.         } else {

  1511.             jack_info("Clock drift compensation was asked but is not needed (devices use the same clock domain)");

  1512.         }

  1513.     }

  1514. 

  1515.     // pause again to give the changes time to take effect

  1516.     CFRunLoopRunInMode(kCFRunLoopDefaultMode, 0.1, false);

  1517. 

  1518.     //----------

  1519.     // Clean up

  1520.     //----------

  1521. 

  1522.     // release the private AD key

  1523.     CFRelease(AggregateDeviceNumberRef);

  1524. 

  1525.     // release the CF objects we have created - we don't need them any more

  1526.     CFRelease(aggDeviceDict);

  1527.     CFRelease(subDevicesArray);

  1528. 

  1529.     if (subDevicesArrayClock) {

  1530.         CFRelease(subDevicesArrayClock);

  1531.     }

  1532. 

  1533.     // release the device UID

  1534.     for (UInt32 i = 0; i < captureDeviceUID.size(); i++) {

  1535.         CFRelease(captureDeviceUID[i]);

  1536.     }

  1537. 

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

  1539.         CFRelease(playbackDeviceUID[i]);

  1540.     }

  1541. 

  1542.     jack_log("New aggregate device %ld", *outAggregateDevice);

  1543.     return noErr;

  1544. 

  1545. error:

  1546.     DestroyAggregateDevice();

  1547.     return -1;

  1548. }

  1549. 

  1550. 

  1551. bool JackCoreAudioAdapter::IsAggregateDevice(AudioDeviceID device)

  1552. {

  1553.     OSStatus err = noErr;

  1554.     AudioObjectID sub_device[32];

  1555.     UInt32 outSize = sizeof(sub_device);

  1556.     err = AudioDeviceGetProperty(device, 0, kAudioDeviceSectionGlobal, kAudioAggregateDevicePropertyActiveSubDeviceList, &outSize, sub_device);

  1557. 

  1558.     if (err != noErr) {

  1559.         jack_log("Device does not have subdevices");

  1560.         return false;

  1561.     } else {

  1562.         int num_devices = outSize / sizeof(AudioObjectID);

  1563.         jack_log("Device does has %d subdevices", num_devices);

  1564.         return true;

  1565.     }

  1566. }

  1567. 

  1568. void JackCoreAudioAdapter::CloseAUHAL()

  1569. {

  1570.     AudioUnitUninitialize(fAUHAL);

  1571.     CloseComponent(fAUHAL);

  1572. }

  1573. 

  1574. int JackCoreAudioAdapter::Open()

  1575. {

  1576.     return (AudioOutputUnitStart(fAUHAL) != noErr)  ? -1 : 0;

  1577. }

  1578. 

  1579. int JackCoreAudioAdapter::Close()

  1580. {

  1581. #ifdef JACK_MONITOR

  1582.     fTable.Save(fHostBufferSize, fHostSampleRate, fAdaptedSampleRate, fAdaptedBufferSize);

  1583. #endif

  1584.     AudioOutputUnitStop(fAUHAL);

  1585.     DisposeBuffers();

  1586.     CloseAUHAL();

  1587.     RemoveListeners();

  1588.     if (fPluginID > 0) {

  1589.         DestroyAggregateDevice();

  1590.     }

  1591.     return 0;

  1592. }

  1593. 

  1594. int JackCoreAudioAdapter::SetSampleRate(jack_nframes_t sample_rate)

  1595. {

  1596.     JackAudioAdapterInterface::SetHostSampleRate(sample_rate);

  1597.     Close();

  1598.     return Open();

  1599. }

  1600. 

  1601. int JackCoreAudioAdapter::SetBufferSize(jack_nframes_t buffer_size)

  1602. {

  1603.     JackAudioAdapterInterface::SetHostBufferSize(buffer_size);

  1604.     Close();

  1605.     return Open();

  1606. }

  1607. 

  1608. OSStatus JackCoreAudioAdapter::GetStreamLatencies(AudioDeviceID device, bool isInput, vector<int>& latencies)

  1609. {

  1610.     OSStatus err = noErr;

  1611.     UInt32 outSize1, outSize2, outSize3;

  1612.     Boolean	outWritable;

  1613. 

  1614.     err = AudioDeviceGetPropertyInfo(device, 0, isInput, kAudioDevicePropertyStreams, &outSize1, &outWritable);

  1615.     if (err == noErr) {

  1616.         int stream_count = outSize1 / sizeof(UInt32);

  1617.         AudioStreamID streamIDs[stream_count];

  1618.         AudioBufferList bufferList[stream_count];

  1619.         UInt32 streamLatency;

  1620.         outSize2 = sizeof(UInt32);

  1621. 

  1622.         err = AudioDeviceGetProperty(device, 0, isInput, kAudioDevicePropertyStreams, &outSize1, streamIDs);

  1623.         if (err != noErr) {

  1624.             jack_error("GetStreamLatencies kAudioDevicePropertyStreams err = %d", err);

  1625.             return err;

  1626.         }

  1627. 

  1628.         err = AudioDeviceGetPropertyInfo(device, 0, isInput, kAudioDevicePropertyStreamConfiguration, &outSize3, &outWritable);

  1629.         if (err != noErr) {

  1630.             jack_error("GetStreamLatencies kAudioDevicePropertyStreamConfiguration err = %d", err);

  1631.             return err;

  1632.         }

  1633. 

  1634.         for (int i = 0; i < stream_count; i++) {

  1635.             err = AudioStreamGetProperty(streamIDs[i], 0, kAudioStreamPropertyLatency, &outSize2, &streamLatency);

  1636.             if (err != noErr) {

  1637.                 jack_error("GetStreamLatencies kAudioStreamPropertyLatency err = %d", err);

  1638.                 return err;

  1639.             }

  1640.             err = AudioDeviceGetProperty(device, 0, isInput, kAudioDevicePropertyStreamConfiguration, &outSize3, bufferList);

  1641.             if (err != noErr) {

  1642.                 jack_error("GetStreamLatencies kAudioDevicePropertyStreamConfiguration err = %d", err);

  1643.                 return err;

  1644.             }

  1645.             // Push 'channel' time the stream latency

  1646.             for (uint k = 0; k < bufferList->mBuffers[i].mNumberChannels; k++) {

  1647.                 latencies.push_back(streamLatency);

  1648.             }

  1649.         }

  1650.     }

  1651.     return err;

  1652. }

  1653. 

  1654. int JackCoreAudioAdapter::GetLatency(int port_index, bool input)

  1655. {

  1656.     UInt32 size = sizeof(UInt32);

  1657.     UInt32 value1 = 0;

  1658.     UInt32 value2 = 0;

  1659. 

  1660.     OSStatus err = AudioDeviceGetProperty(fDeviceID, 0, input, kAudioDevicePropertyLatency, &size, &value1);

  1661.     if (err != noErr) {

  1662.         jack_log("AudioDeviceGetProperty kAudioDevicePropertyLatency error");

  1663.     }

  1664.     err = AudioDeviceGetProperty(fDeviceID, 0, input, kAudioDevicePropertySafetyOffset, &size, &value2);

  1665.     if (err != noErr) {

  1666.         jack_log("AudioDeviceGetProperty kAudioDevicePropertySafetyOffset error");

  1667.     }

  1668. 

  1669.     // TODO : add stream latency

  1670. 

  1671.     return value1 + value2 + fAdaptedBufferSize;

  1672. }

  1673. 

  1674. int JackCoreAudioAdapter::GetInputLatency(int port_index)

  1675. {

  1676.     if (port_index < int(fInputLatencies.size())) {

  1677.         return GetLatency(port_index, true) + fInputLatencies[port_index];

  1678.     } else {

  1679.         // No stream latency

  1680.         return GetLatency(port_index, true);

  1681.     }

  1682. }

  1683. 

  1684. int JackCoreAudioAdapter::GetOutputLatency(int port_index)

  1685. {

  1686.     if (port_index < int(fOutputLatencies.size())) {

  1687.         return GetLatency(port_index, false) + fOutputLatencies[port_index];

  1688.     } else {

  1689.         // No stream latency

  1690.         return GetLatency(port_index, false);

  1691.     }

  1692. }

  1693. 

  1694. } // namespace

  1695. 

  1696. #ifdef __cplusplus

  1697. extern "C"

  1698. {

  1699. #endif

  1700. 

  1701.    SERVER_EXPORT jack_driver_desc_t* jack_get_descriptor()

  1702.    {

  1703.         jack_driver_desc_t * desc;

  1704.         jack_driver_desc_filler_t filler;

  1705.         jack_driver_param_value_t value;

  1706. 

  1707.         desc = jack_driver_descriptor_construct("audioadapter", JackDriverNone, "netjack audio <==> net backend adapter", &filler);

  1708. 

  1709.         value.i = -1;

  1710.         jack_driver_descriptor_add_parameter(desc, &filler, "channels", 'c', JackDriverParamInt, &value, NULL, "Maximum number of channels", "Maximum number of channels. If -1, max possible number of channels will be used");

  1711.         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");

  1712.         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");

  1713. 

  1714.         value.str[0] = 0;

  1715.         jack_driver_descriptor_add_parameter(desc, &filler, "capture", 'C', JackDriverParamString, &value, NULL, "Input CoreAudio device name", NULL);

  1716.         jack_driver_descriptor_add_parameter(desc, &filler, "playback", 'P', JackDriverParamString, &value, NULL, "Output CoreAudio device name", NULL);

  1717. 

  1718.         value.ui = 44100U;

  1719.         jack_driver_descriptor_add_parameter(desc, &filler, "rate", 'r', JackDriverParamUInt, &value, NULL, "Sample rate", NULL);

  1720. 

  1721.         value.ui = 512U;

  1722.         jack_driver_descriptor_add_parameter(desc, &filler, "period", 'p', JackDriverParamUInt, &value, NULL, "Frames per period", NULL);

  1723. 

  1724.         value.i = TRUE;

  1725.         jack_driver_descriptor_add_parameter(desc, &filler, "duplex", 'D', JackDriverParamBool, &value, NULL, "Provide both capture and playback ports", NULL);

  1726. 

  1727.         value.str[0] = 0;

  1728.         jack_driver_descriptor_add_parameter(desc, &filler, "device", 'd', JackDriverParamString, &value, NULL, "CoreAudio device name", NULL);

  1729. 

  1730.         value.i = TRUE;

  1731.         jack_driver_descriptor_add_parameter(desc, &filler, "list-devices", 'l', JackDriverParamBool, &value, NULL, "Display available CoreAudio devices", NULL);

  1732. 

  1733.         value.ui = 0;

  1734.         jack_driver_descriptor_add_parameter(desc, &filler, "quality", 'q', JackDriverParamInt, &value, NULL, "Resample algorithm quality (0 - 4)", NULL);

  1735. 

  1736.         value.ui = 32768;

  1737.         jack_driver_descriptor_add_parameter(desc, &filler, "ring-buffer", 'g', JackDriverParamInt, &value, NULL, "Fixed ringbuffer size", "Fixed ringbuffer size (if not set => automatic adaptative)");

  1738. 

  1739.         value.i = FALSE;

  1740.         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");

  1741. 

  1742.         return desc;

  1743.     }

  1744. 

  1745. 

  1746. #ifdef __cplusplus

  1747. }

  1748. #endif