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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.     deviceNum = size / sizeof(AudioDeviceID);

  56.     AudioDeviceID devices[deviceNum];

  57. 

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

  59.     if (err != noErr)

  60.         return err;

  61. 

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

  63.         char device_name[256];

  64.         char internal_name[256];

  65. 

  66.         size = sizeof(CFStringRef);

  67.         UIname = NULL;

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

  69.         if (err == noErr) {

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

  71.         } else {

  72.             goto error;

  73.         }

  74. 

  75.         size = 256;

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

  77.         if (err != noErr)

  78.             return err;

  79. 

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

  81.     }

  82. 

  83.     return noErr;

  84. 

  85. error:

  86.     if (UIname != NULL)

  87.         CFRelease(UIname);

  88.     return err;

  89. }

  90. 

  91. static void printError(OSStatus err)

  92. {

  93.     switch (err) {

  94.         case kAudioHardwareNoError:

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

  96.             break;

  97.         case kAudioConverterErr_FormatNotSupported:

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

  99.             break;

  100.         case kAudioConverterErr_OperationNotSupported:

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

  102.             break;

  103.         case kAudioConverterErr_PropertyNotSupported:

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

  105.             break;

  106.         case kAudioConverterErr_InvalidInputSize:

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

  108.             break;

  109.         case kAudioConverterErr_InvalidOutputSize:

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

  111.             break;

  112.         case kAudioConverterErr_UnspecifiedError:

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

  114.             break;

  115.         case kAudioConverterErr_BadPropertySizeError:

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

  117.             break;

  118.         case kAudioConverterErr_RequiresPacketDescriptionsError:

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

  120.             break;

  121.         case kAudioConverterErr_InputSampleRateOutOfRange:

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

  123.             break;

  124.         case kAudioConverterErr_OutputSampleRateOutOfRange:

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

  126.             break;

  127.         case kAudioHardwareNotRunningError:

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

  129.             break;

  130.         case kAudioHardwareUnknownPropertyError:

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

  132.             break;

  133.         case kAudioHardwareIllegalOperationError:

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

  135.             break;

  136.         case kAudioHardwareBadDeviceError:

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

  138.             break;

  139.         case kAudioHardwareBadStreamError:

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

  141.             break;

  142.         case kAudioDeviceUnsupportedFormatError:

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

  144.             break;

  145.         case kAudioDevicePermissionsError:

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

  147.             break;

  148.         case kAudioHardwareBadObjectError:

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

  150.             break;

  151.         case kAudioHardwareUnsupportedOperationError:

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

  153.             break;

  154.         default:

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

  156.             break;

  157.     }

  158. }

  159. 

  160. OSStatus JackCoreAudioAdapter::SRNotificationCallback(AudioDeviceID inDevice,

  161.                                                         UInt32 inChannel,

  162.                                                         Boolean	isInput,

  163.                                                         AudioDevicePropertyID inPropertyID,

  164.                                                         void* inClientData)

  165. {

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

  167. 

  168.     switch (inPropertyID) {

  169. 

  170.         case kAudioDevicePropertyNominalSampleRate: {

  171.             jack_log("JackCoreAudioDriver::SRNotificationCallback kAudioDevicePropertyNominalSampleRate");

  172.             driver->fState = true;

  173.             break;

  174.         }

  175.     }

  176. 

  177.     return noErr;

  178. }

  179. 

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

  181. OSStatus JackCoreAudioAdapter::DeviceNotificationCallback(AudioDeviceID inDevice,

  182.         UInt32 inChannel,

  183.         Boolean	isInput,

  184.         AudioDevicePropertyID inPropertyID,

  185.         void* inClientData)

  186. {

  187.         

  188.     switch (inPropertyID) {

  189.         

  190.         case kAudioDeviceProcessorOverload: {

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

  192.             break;

  193. 		}

  194. 

  195.         case kAudioDevicePropertyStreamConfiguration: {

  196.             jack_error("Cannot handle kAudioDevicePropertyStreamConfiguration");

  197.             return kAudioHardwareUnsupportedOperationError;

  198.         }

  199.             

  200.         case kAudioDevicePropertyNominalSampleRate: {

  201.             jack_error("Cannot handle kAudioDevicePropertyNominalSampleRate");

  202.             return kAudioHardwareUnsupportedOperationError;

  203.         }

  204.             

  205.     }

  206.     return noErr;

  207. }

  208. 

  209. int JackCoreAudioAdapter::AddListeners()

  210. {

  211.     OSStatus err = noErr;

  212. 

  213.     // Add listeners

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

  215.     if (err != noErr) {

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

  217.         printError(err);

  218.         return -1;

  219.     }

  220.     

  221.     err = AudioDeviceAddPropertyListener(fDeviceID, 0, true, kAudioHardwarePropertyDevices, DeviceNotificationCallback, this);

  222.     if (err != noErr) {

  223.         jack_error("Error calling AudioDeviceAddPropertyListener with kAudioHardwarePropertyDevices");

  224.         printError(err);

  225.         return -1;

  226.     }

  227. 

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

  229.     if (err != noErr) {

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

  231.         printError(err);

  232.         return -1;

  233.     }

  234. 

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

  236.     if (err != noErr) {

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

  238.         printError(err);

  239.         return -1;

  240.     }

  241. 

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

  243.     if (err != noErr) {

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

  245.         printError(err);

  246.         return -1;

  247.     }

  248. 

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

  250.     if (err != noErr) {

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

  252.         printError(err);

  253.         return -1;

  254.     }

  255. 

  256.     return 0;

  257. }

  258. 

  259. void JackCoreAudioAdapter::RemoveListeners()

  260. {

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

  262.     AudioDeviceRemovePropertyListener(fDeviceID, 0, true, kAudioHardwarePropertyDevices, DeviceNotificationCallback);

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

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

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

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

  267. }

  268. 

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

  270.                                         AudioUnitRenderActionFlags *ioActionFlags,

  271.                                         const AudioTimeStamp *inTimeStamp,

  272.                                         UInt32 inBusNumber,

  273.                                         UInt32 inNumberFrames,

  274.                                         AudioBufferList *ioData)

  275. {

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

  277.     AudioUnitRender(adapter->fAUHAL, ioActionFlags, inTimeStamp, 1, inNumberFrames, adapter->fInputData);

  278.     

  279.     float* inputBuffer[adapter->fCaptureChannels];

  280.     float* outputBuffer[adapter->fPlaybackChannels];

  281.  

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

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

  284.     }

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

  286.         outputBuffer[i] = (float*)ioData->mBuffers[i].mData;

  287.     }

  288.     

  289.     adapter->PushAndPull((float**)inputBuffer, (float**)outputBuffer, inNumberFrames);

  290.     return noErr;

  291. }

  292. 

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

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

  295. {

  296.     const JSList* node;

  297.     const jack_driver_param_t* param;

  298.     int in_nChannels = 0;

  299.     int out_nChannels = 0;

  300.     char captureName[256];

  301.     char playbackName[256];

  302.     fCaptureUID[0] = 0;

  303.     fPlaybackUID[0] = 0;

  304.     fClockDriftCompensate = false;

  305.     

  306.     // Default values

  307.     fCaptureChannels = -1;

  308.     fPlaybackChannels = -1;

  309.     

  310.     SInt32 major;

  311.     SInt32 minor;

  312.     Gestalt(gestaltSystemVersionMajor, &major);

  313.     Gestalt(gestaltSystemVersionMinor, &minor);

  314.     

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

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

  317.         CFRunLoopRef theRunLoop = NULL;

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

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

  320.         if (theError != noErr) {

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

  322.         }

  323.     }

  324.   

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

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

  327. 

  328.         switch (param->character) {

  329. 

  330.             case 'c' :

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

  332.                 break;

  333. 

  334.             case 'i':

  335.                 fCaptureChannels = param->value.ui;

  336.                 break;

  337. 

  338.             case 'o':

  339.                 fPlaybackChannels = param->value.ui;

  340.                 break;

  341. 

  342.             case 'C':

  343.                 fCapturing = true;

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

  345.                 break;

  346. 

  347.             case 'P':

  348.                 fPlaying = true;

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

  350.                 break;

  351.                 

  352.             case 'd':

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

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

  355.                 break;

  356. 

  357.             case 'D':

  358.                 fCapturing = fPlaying = true;

  359.                 break;

  360. 

  361.             case 'r':

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

  363.                 break;

  364. 

  365.             case 'p':

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

  367.                 break;

  368.                 

  369.             case 'l':

  370.                 DisplayDeviceNames();

  371.                 break;

  372.                 

  373.             case 'q':

  374.                 fQuality = param->value.ui;

  375.                 break;

  376.                 

  377.             case 'g':

  378.                 fRingbufferCurSize = param->value.ui;

  379.                 fAdaptative = false;

  380.                 break;

  381.                 

  382.             case 's':

  383.                 fClockDriftCompensate = true;

  384.                 break;

  385.         }

  386.     }

  387.     

  388.     /* duplex is the default */

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

  390.         fCapturing = true;

  391.         fPlaying = true;

  392.     }

  393.     

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

  395.         throw -1;

  396.   

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

  398.         throw -1;

  399.     

  400.     if (SetupBufferSize(fAdaptedBufferSize) < 0)

  401.          throw -1;

  402.  

  403.     if (SetupSampleRate(fAdaptedSampleRate) < 0)

  404.         throw -1;

  405.            

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

  407.         throw -1;

  408.          

  409.     if (fCapturing && fCaptureChannels > 0)

  410.         if (SetupBuffers(fCaptureChannels) < 0)

  411.             throw -1;

  412.        

  413.     if (AddListeners() < 0)

  414.         throw -1;

  415. }

  416. 

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

  418. {

  419.     OSStatus res;

  420.     UInt32 theSize = sizeof(UInt32);

  421.     AudioDeviceID inDefault;

  422.     AudioDeviceID outDefault;

  423. 

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

  425.         return res;

  426. 

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

  428.         return res;

  429. 

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

  431. 

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

  433.     if (inDefault == outDefault) {

  434.         *id = inDefault;

  435.         return noErr;

  436.     } else {

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

  438.         return kAudioHardwareBadDeviceError;

  439.     }

  440. }

  441. 

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

  443. {

  444.     OSStatus err = noErr;

  445.     UInt32	outSize;

  446.     Boolean	outWritable;

  447.     AudioBufferList* bufferList = 0;

  448. 

  449.     channelCount = 0;

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

  451.     if (err == noErr) {

  452.         bufferList = (AudioBufferList*)malloc(outSize);

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

  454.         if (err == noErr) {

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

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

  457.         }

  458. 

  459.         if (bufferList)

  460.             free(bufferList);

  461.     }

  462. 

  463.     return err;

  464. }

  465. 

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

  467. {

  468.     UInt32 size = sizeof(AudioValueTranslation);

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

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

  471. 

  472.     if (inIUD == NULL) {

  473.         return kAudioHardwareUnspecifiedError;

  474.     } else {

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

  476.         CFRelease(inIUD);

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

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

  479.     }

  480. }

  481. 

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

  483. {

  484.     OSStatus res;

  485.     UInt32 theSize = sizeof(UInt32);

  486.     AudioDeviceID inDefault;

  487. 

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

  489.         return res;

  490. 

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

  492.     *id = inDefault;

  493.     return noErr;

  494. }

  495. 

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

  497. {

  498.     OSStatus res;

  499.     UInt32 theSize = sizeof(UInt32);

  500.     AudioDeviceID outDefault;

  501. 

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

  503.         return res;

  504. 

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

  506.     *id = outDefault;

  507.     return noErr;

  508. }

  509. 

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

  511. {

  512.     UInt32 size = 256;

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

  514. }

  515. 

  516. // Setup

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

  518.                                         const char* playback_driver_uid,

  519.                                         char* capture_driver_name,

  520.                                         char* playback_driver_name,

  521.                                         jack_nframes_t samplerate)

  522. {

  523.     capture_driver_name[0] = 0;

  524.     playback_driver_name[0] = 0;

  525. 

  526.     // Duplex

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

  528.     

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

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

  531.             

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

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

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

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

  536.                     return -1;

  537.                 }

  538.             }

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

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

  541.                 return -1;

  542.             }

  543.             

  544.         } else {

  545.         

  546.             // Creates aggregate device

  547.             AudioDeviceID captureID, playbackID;

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

  549.                 return -1;

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

  551.                 return -1;

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

  553.                 return -1;

  554.         }

  555. 

  556.     // Capture only

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

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

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

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

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

  562.                 return -1;

  563.             }

  564.         }

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

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

  567.             return -1;

  568.         }

  569. 

  570.     // Playback only

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

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

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

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

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

  576.                 return -1;

  577.             }

  578.         }

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

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

  581.             return -1;

  582.         }

  583. 

  584.     // Use default driver in duplex mode

  585.     } else {

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

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

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

  589.             return -1;

  590.         }

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

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

  593.             return -1;

  594.         }

  595.     }

  596. 

  597.     return 0;

  598. }

  599. 

  600. int JackCoreAudioAdapter::SetupChannels(bool capturing,

  601.                                         bool playing,

  602.                                         int& inchannels,

  603.                                         int& outchannels,

  604.                                         int& in_nChannels,

  605.                                         int& out_nChannels,

  606.                                         bool strict)

  607. {

  608.     OSStatus err = noErr;

  609. 

  610.     if (capturing) {

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

  612.         if (err != noErr) {

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

  614.             printError(err);

  615.             return -1;

  616.         } else {

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

  618.         }

  619.     }

  620. 

  621.     if (playing) {

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

  623.         if (err != noErr) {

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

  625.             printError(err);

  626.             return -1;

  627.         } else {

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

  629.         }

  630.     }

  631. 

  632.     if (inchannels > in_nChannels) {

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

  634.         if (strict)

  635.             return -1;

  636.     }

  637. 

  638.     if (outchannels > out_nChannels) {

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

  640.         if (strict)

  641.             return -1;

  642.     }

  643. 

  644.     if (inchannels == -1) {

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

  646.         inchannels = in_nChannels;

  647.     }

  648. 

  649.     if (outchannels == -1) {

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

  651.         outchannels = out_nChannels;

  652.     }

  653.  

  654.     return 0;

  655. }

  656. 

  657. int JackCoreAudioAdapter::SetupBufferSize(jack_nframes_t buffer_size)

  658. {

  659.     // Setting buffer size

  660.     UInt32 outSize = sizeof(UInt32);

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

  662.     if (err != noErr) {

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

  664.         printError(err);

  665.         return -1;

  666.     }

  667.     

  668.     return 0;

  669. }

  670. 

  671. int JackCoreAudioAdapter::SetupSampleRate(jack_nframes_t samplerate)

  672. {

  673.     return SetupSampleRateAux(fDeviceID, samplerate);

  674. }

  675. 

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

  677. {

  678.     OSStatus err = noErr;

  679.     UInt32 outSize;

  680.     Float64 sampleRate;

  681.     

  682.     // Get sample rate

  683.     outSize =  sizeof(Float64);

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

  685.     if (err != noErr) {

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

  687.         printError(err);

  688.         return -1;

  689.     }

  690.     

  691.     // If needed, set new sample rate

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

  693.         sampleRate = (Float64)samplerate;

  694.         

  695.         // To get SR change notification

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

  697.         if (err != noErr) {

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

  699.             printError(err);

  700.             return -1;

  701.         }

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

  703.         if (err != noErr) {

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

  705.             printError(err);

  706.             return -1;

  707.         }

  708.         

  709.         // Waiting for SR change notification

  710.         int count = 0;

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

  712.             usleep(100000);

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

  714.         }

  715.         

  716.         // Remove SR change notification

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

  718.     }

  719.     

  720.     return 0;

  721. }

  722. 

  723. int JackCoreAudioAdapter::SetupBuffers(int inchannels)

  724. {

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

  726. 

  727.     // Prepare buffers

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

  729.     fInputData->mNumberBuffers = inchannels;

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

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

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

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

  734.     }

  735.     return 0;

  736. }

  737. 

  738. void JackCoreAudioAdapter::DisposeBuffers()

  739. {

  740.     if (fInputData) {

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

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

  743.         free(fInputData);

  744.         fInputData = 0;

  745.     }

  746. }

  747. 

  748. int JackCoreAudioAdapter::OpenAUHAL(bool capturing,

  749.                                    bool playing,

  750.                                    int inchannels,

  751.                                    int outchannels,

  752.                                    int in_nChannels,

  753.                                    int out_nChannels,

  754.                                    jack_nframes_t buffer_size,

  755.                                    jack_nframes_t samplerate)

  756. {

  757.     ComponentResult err1;

  758.     UInt32 enableIO;

  759.     AudioStreamBasicDescription srcFormat, dstFormat;

  760.     AudioDeviceID currAudioDeviceID;

  761.     UInt32 size;

  762. 

  763.     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);

  764. 

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

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

  767.         return -1;

  768.     }

  769.          

  770.     // AUHAL

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

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

  773. 

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

  775.     if (err1 != noErr) {

  776.         jack_error("Error calling OpenAComponent");

  777.         printError(err1);

  778.         goto error;

  779.     }

  780. 

  781.     err1 = AudioUnitInitialize(fAUHAL);

  782.     if (err1 != noErr) {

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

  784.         printError(err1);

  785.         goto error;

  786.     }

  787. 

  788.     // Start I/O

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

  790.         enableIO = 1;

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

  792.     } else {

  793.         enableIO = 0;

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

  795.     }

  796.     

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

  798.     if (err1 != noErr) {

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

  800.         printError(err1);

  801.         goto error;

  802.     }

  803. 

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

  805.         enableIO = 1;

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

  807.     } else {

  808.         enableIO = 0;

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

  810.     }

  811.     

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

  813.     if (err1 != noErr) {

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

  815.         printError(err1);

  816.         goto error;

  817.     }

  818.     

  819.     size = sizeof(AudioDeviceID);

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

  821.     if (err1 != noErr) {

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

  823.         printError(err1);

  824.         goto error;

  825.     } else {

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

  827.     }

  828. 

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

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

  831.     if (err1 != noErr) {

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

  833.         printError(err1);

  834.         goto error;

  835.     }

  836.   

  837.     // Set buffer size

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

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

  840.         if (err1 != noErr) {

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

  842.             printError(err1);

  843.             goto error;

  844.         }

  845.     }

  846. 

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

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

  849.         if (err1 != noErr) {

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

  851.             printError(err1);

  852.             goto error;

  853.         }

  854.     }

  855. 

  856.     // Setup channel map

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

  858.         SInt32 chanArr[in_nChannels];

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

  860.             chanArr[i] = -1;

  861.         }

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

  863.             chanArr[i] = i;

  864.         }

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

  866.         if (err1 != noErr) {

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

  868.             printError(err1);

  869.             goto error;

  870.         }

  871.     }

  872. 

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

  874.         SInt32 chanArr[out_nChannels];

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

  876.             chanArr[i] = -1;

  877.         }

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

  879.             chanArr[i] = i;

  880.         }

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

  882.         if (err1 != noErr) {

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

  884.             printError(err1);

  885.             goto error;

  886.         }

  887.     }

  888. 

  889.     // Setup stream converters

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

  891.     

  892.         size = sizeof(AudioStreamBasicDescription);

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

  894.         if (err1 != noErr) {

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

  896.             printError(err1);

  897.             goto error;

  898.         }

  899.         PrintStreamDesc(&srcFormat);

  900.               

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

  902.         srcFormat.mSampleRate = samplerate;

  903.         srcFormat.mFormatID = kAudioFormatLinearPCM;

  904.         srcFormat.mFormatFlags = kAudioFormatFlagsNativeFloatPacked | kLinearPCMFormatFlagIsNonInterleaved;

  905.         srcFormat.mBytesPerPacket = sizeof(float);

  906.         srcFormat.mFramesPerPacket = 1;

  907.         srcFormat.mBytesPerFrame = sizeof(float);

  908.         srcFormat.mChannelsPerFrame = inchannels;

  909.         srcFormat.mBitsPerChannel = 32;

  910.         PrintStreamDesc(&srcFormat);

  911.       

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

  913.         

  914.         if (err1 != noErr) {

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

  916.             printError(err1);

  917.             goto error;

  918.         }

  919.     }

  920. 

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

  922.     

  923.         size = sizeof(AudioStreamBasicDescription);

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

  925.         if (err1 != noErr) {

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

  927.             printError(err1);

  928.             goto error;

  929.         }

  930.         PrintStreamDesc(&dstFormat);

  931.          

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

  933.         dstFormat.mSampleRate = samplerate;

  934.         dstFormat.mFormatID = kAudioFormatLinearPCM;

  935.         dstFormat.mFormatFlags = kAudioFormatFlagsNativeFloatPacked | kLinearPCMFormatFlagIsNonInterleaved;

  936.         dstFormat.mBytesPerPacket = sizeof(float);

  937.         dstFormat.mFramesPerPacket = 1;

  938.         dstFormat.mBytesPerFrame = sizeof(float);

  939.         dstFormat.mChannelsPerFrame = outchannels;

  940.         dstFormat.mBitsPerChannel = 32;

  941.         PrintStreamDesc(&dstFormat);

  942.        

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

  944.         

  945.         if (err1 != noErr) {

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

  947.             printError(err1);

  948.             goto error;

  949.         }

  950.     }

  951. 

  952.     // Setup callbacks

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

  954.         AURenderCallbackStruct output;

  955.         output.inputProc = Render;

  956.         output.inputProcRefCon = this;

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

  958.         if (err1 != noErr) {

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

  960.             printError(err1);

  961.             goto error;

  962.         }

  963.     } else {

  964.         AURenderCallbackStruct output;

  965.         output.inputProc = Render;

  966.         output.inputProcRefCon = this;

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

  968.         if (err1 != noErr) {

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

  970.             printError(err1);

  971.             goto error;

  972.         }

  973.     }

  974. 

  975.     return 0;

  976.     

  977. error:

  978.     CloseAUHAL();

  979.     return -1;

  980. }

  981. 

  982. OSStatus JackCoreAudioAdapter::DestroyAggregateDevice() 

  983. {

  984.     OSStatus osErr = noErr;

  985.     AudioObjectPropertyAddress pluginAOPA;

  986.     pluginAOPA.mSelector = kAudioPlugInDestroyAggregateDevice;

  987.     pluginAOPA.mScope = kAudioObjectPropertyScopeGlobal;

  988.     pluginAOPA.mElement = kAudioObjectPropertyElementMaster;

  989.     UInt32 outDataSize;

  990.   

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

  992.     if (osErr != noErr) {

  993.         jack_error("JackCoreAudioDriver::DestroyAggregateDevice : AudioObjectGetPropertyDataSize error");

  994.         printError(osErr);

  995.         return osErr;

  996.     }

  997.         

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

  999.     if (osErr != noErr) {

  1000.         jack_error("JackCoreAudioDriver::DestroyAggregateDevice : AudioObjectGetPropertyData error");

  1001.         printError(osErr);

  1002.         return osErr;

  1003.     }

  1004.     

  1005.     return noErr;

  1006. }

  1007. 

  1008. static CFStringRef GetDeviceName(AudioDeviceID id)

  1009. {

  1010.     UInt32 size = sizeof(CFStringRef);

  1011.     CFStringRef UIname;

  1012.     OSStatus err = AudioDeviceGetProperty(id, 0, false, kAudioDevicePropertyDeviceUID, &size, &UIname);

  1013.     return (err == noErr) ? UIname : NULL;

  1014. }

  1015. 

  1016. OSStatus JackCoreAudioAdapter::CreateAggregateDevice(AudioDeviceID captureDeviceID, AudioDeviceID playbackDeviceID, jack_nframes_t samplerate, AudioDeviceID* outAggregateDevice) 

  1017. {

  1018.     OSStatus err = noErr;

  1019.     AudioObjectID sub_device[32];

  1020.     UInt32 outSize = sizeof(sub_device);

  1021.     

  1022.     err = AudioDeviceGetProperty(captureDeviceID, 0, kAudioDeviceSectionGlobal, kAudioAggregateDevicePropertyActiveSubDeviceList, &outSize, sub_device);

  1023.     vector<AudioDeviceID> captureDeviceIDArray;

  1024.     

  1025.     if (err != noErr) {

  1026.         jack_log("Input device does not have subdevices");

  1027.         captureDeviceIDArray.push_back(captureDeviceID);

  1028.     } else {

  1029.         int num_devices = outSize / sizeof(AudioObjectID);

  1030.         jack_log("Input device has %d subdevices", num_devices);

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

  1032.             captureDeviceIDArray.push_back(sub_device[i]);

  1033.         }

  1034.     }

  1035.     

  1036.     err = AudioDeviceGetProperty(playbackDeviceID, 0, kAudioDeviceSectionGlobal, kAudioAggregateDevicePropertyActiveSubDeviceList, &outSize, sub_device);    

  1037.     vector<AudioDeviceID> playbackDeviceIDArray;

  1038.     

  1039.     if (err != noErr) {

  1040.         jack_log("Output device does not have subdevices");

  1041.         playbackDeviceIDArray.push_back(playbackDeviceID);

  1042.     } else {

  1043.         int num_devices = outSize / sizeof(AudioObjectID);

  1044.         jack_log("Output device has %d subdevices", num_devices);

  1045.         for (int i = 0; i < num_devices; i++) {

  1046.             playbackDeviceIDArray.push_back(sub_device[i]);

  1047.         }

  1048.     }

  1049.     

  1050.     return CreateAggregateDeviceAux(captureDeviceIDArray, playbackDeviceIDArray, samplerate, outAggregateDevice);

  1051. }

  1052.     

  1053. OSStatus JackCoreAudioAdapter::CreateAggregateDeviceAux(vector<AudioDeviceID> captureDeviceID, vector<AudioDeviceID> playbackDeviceID, jack_nframes_t samplerate, AudioDeviceID* outAggregateDevice) 

  1054. {

  1055.     OSStatus osErr = noErr;

  1056.     UInt32 outSize;

  1057.     Boolean outWritable;

  1058.     

  1059.     // Prepare sub-devices for clock drift compensation

  1060.     // Workaround for bug in the HAL : until 10.6.2

  1061.     AudioObjectPropertyAddress theAddressOwned = { kAudioObjectPropertyOwnedObjects, kAudioObjectPropertyScopeGlobal, kAudioObjectPropertyElementMaster };

  1062.     AudioObjectPropertyAddress theAddressDrift = { kAudioSubDevicePropertyDriftCompensation, kAudioObjectPropertyScopeGlobal, kAudioObjectPropertyElementMaster };

  1063.     UInt32 theQualifierDataSize = sizeof(AudioObjectID);

  1064.     AudioClassID inClass = kAudioSubDeviceClassID;

  1065.     void* theQualifierData = &inClass;

  1066.     UInt32 subDevicesNum = 0;

  1067.     

  1068.     //---------------------------------------------------------------------------

  1069.     // Setup SR of both devices otherwise creating AD may fail...

  1070.     //---------------------------------------------------------------------------

  1071.     UInt32 keptclockdomain = 0;

  1072.     UInt32 clockdomain = 0;

  1073.     outSize = sizeof(UInt32);

  1074.     bool need_clock_drift_compensation = false;

  1075.     

  1076.     for (UInt32 i = 0; i < captureDeviceID.size(); i++) {

  1077.         if (SetupSampleRateAux(captureDeviceID[i], samplerate) < 0) {

  1078.             jack_error("JackCoreAudioDriver::CreateAggregateDevice : cannot set SR of input device");

  1079.         } else  {

  1080.             // Check clock domain

  1081.             osErr = AudioDeviceGetProperty(captureDeviceID[i], 0, kAudioDeviceSectionGlobal, kAudioDevicePropertyClockDomain, &outSize, &clockdomain); 

  1082.             if (osErr != 0) {

  1083.                 jack_error("JackCoreAudioDriver::CreateAggregateDevice : kAudioDevicePropertyClockDomain error");

  1084.                 printError(osErr);

  1085.             } else {

  1086.                 keptclockdomain = (keptclockdomain == 0) ? clockdomain : keptclockdomain; 

  1087.                 jack_log("JackCoreAudioDriver::CreateAggregateDevice : input clockdomain = %d", clockdomain);

  1088.                 if (clockdomain != 0 && clockdomain != keptclockdomain) {

  1089.                     jack_error("JackCoreAudioDriver::CreateAggregateDevice : devices do not share the same clock!! clock drift compensation would be needed...");

  1090.                     need_clock_drift_compensation = true;

  1091.                 }

  1092.             }

  1093.         }

  1094.     }

  1095.     

  1096.     for (UInt32 i = 0; i < playbackDeviceID.size(); i++) {

  1097.         if (SetupSampleRateAux(playbackDeviceID[i], samplerate) < 0) {

  1098.             jack_error("JackCoreAudioDriver::CreateAggregateDevice : cannot set SR of output device");

  1099.         } else {

  1100.             // Check clock domain

  1101.             osErr = AudioDeviceGetProperty(playbackDeviceID[i], 0, kAudioDeviceSectionGlobal, kAudioDevicePropertyClockDomain, &outSize, &clockdomain); 

  1102.             if (osErr != 0) {

  1103.                 jack_error("JackCoreAudioDriver::CreateAggregateDevice : kAudioDevicePropertyClockDomain error");

  1104.                 printError(osErr);

  1105.             } else {

  1106.                 keptclockdomain = (keptclockdomain == 0) ? clockdomain : keptclockdomain; 

  1107.                 jack_log("JackCoreAudioDriver::CreateAggregateDevice : output clockdomain = %d", clockdomain);

  1108.                 if (clockdomain != 0 && clockdomain != keptclockdomain) {

  1109.                     jack_error("JackCoreAudioDriver::CreateAggregateDevice : devices do not share the same clock!! clock drift compensation would be needed...");

  1110.                     need_clock_drift_compensation = true;

  1111.                 }

  1112.             }

  1113.         }

  1114.     }

  1115.     

  1116.     // If no valid clock domain was found, then assume we have to compensate...

  1117.     if (keptclockdomain == 0) {

  1118.         need_clock_drift_compensation = true;

  1119.     }

  1120.     

  1121.     //---------------------------------------------------------------------------

  1122.     // Start to create a new aggregate by getting the base audio hardware plugin

  1123.     //---------------------------------------------------------------------------

  1124.     

  1125.     char device_name[256];

  1126.     for (UInt32 i = 0; i < captureDeviceID.size(); i++) {

  1127.         GetDeviceNameFromID(captureDeviceID[i], device_name);

  1128.         jack_info("Separated input = '%s' ", device_name);

  1129.     }

  1130.     

  1131.     for (UInt32 i = 0; i < playbackDeviceID.size(); i++) {

  1132.         GetDeviceNameFromID(playbackDeviceID[i], device_name);

  1133.         jack_info("Separated output = '%s' ", device_name);

  1134.     }

  1135.     

  1136.     osErr = AudioHardwareGetPropertyInfo(kAudioHardwarePropertyPlugInForBundleID, &outSize, &outWritable);

  1137.     if (osErr != noErr) {

  1138.         jack_error("JackCoreAudioDriver::CreateAggregateDevice : AudioHardwareGetPropertyInfo kAudioHardwarePropertyPlugInForBundleID error");

  1139.         printError(osErr);

  1140.         return osErr;

  1141.     }

  1142.     

  1143.     AudioValueTranslation pluginAVT;

  1144.     

  1145.     CFStringRef inBundleRef = CFSTR("com.apple.audio.CoreAudio");

  1146.     

  1147.     pluginAVT.mInputData = &inBundleRef;

  1148.     pluginAVT.mInputDataSize = sizeof(inBundleRef);

  1149.     pluginAVT.mOutputData = &fPluginID;

  1150.     pluginAVT.mOutputDataSize = sizeof(fPluginID);

  1151.     

  1152.     osErr = AudioHardwareGetProperty(kAudioHardwarePropertyPlugInForBundleID, &outSize, &pluginAVT);

  1153.     if (osErr != noErr) {

  1154.         jack_error("JackCoreAudioDriver::CreateAggregateDevice : AudioHardwareGetProperty kAudioHardwarePropertyPlugInForBundleID error");

  1155.         printError(osErr);

  1156.         return osErr;

  1157.     }

  1158.     

  1159.     //-------------------------------------------------

  1160.     // Create a CFDictionary for our aggregate device

  1161.     //-------------------------------------------------

  1162.     

  1163.     CFMutableDictionaryRef aggDeviceDict = CFDictionaryCreateMutable(NULL, 0, &kCFTypeDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks);

  1164.     

  1165.     CFStringRef AggregateDeviceNameRef = CFSTR("JackDuplex");

  1166.     CFStringRef AggregateDeviceUIDRef = CFSTR("com.grame.JackDuplex");

  1167.     

  1168.     // add the name of the device to the dictionary

  1169.     CFDictionaryAddValue(aggDeviceDict, CFSTR(kAudioAggregateDeviceNameKey), AggregateDeviceNameRef);

  1170.     

  1171.     // add our choice of UID for the aggregate device to the dictionary

  1172.     CFDictionaryAddValue(aggDeviceDict, CFSTR(kAudioAggregateDeviceUIDKey), AggregateDeviceUIDRef);

  1173.     

  1174.     // add a "private aggregate key" to the dictionary

  1175.     int value = 1;

  1176.     CFNumberRef AggregateDeviceNumberRef = CFNumberCreate(NULL, kCFNumberIntType, &value);

  1177.     

  1178.     SInt32 system;

  1179.     Gestalt(gestaltSystemVersion, &system);

  1180.     

  1181.     jack_log("JackCoreAudioDriver::CreateAggregateDevice : system version = %x limit = %x", system, 0x00001054);

  1182.     

  1183.     // Starting with 10.5.4 systems, the AD can be internal... (better)

  1184.     if (system < 0x00001054) {

  1185.         jack_log("JackCoreAudioDriver::CreateAggregateDevice : public aggregate device....");

  1186.     } else {

  1187.         jack_log("JackCoreAudioDriver::CreateAggregateDevice : private aggregate device....");

  1188.         CFDictionaryAddValue(aggDeviceDict, CFSTR(kAudioAggregateDeviceIsPrivateKey), AggregateDeviceNumberRef);

  1189.     }

  1190.     

  1191.     // Prepare sub-devices for clock drift compensation

  1192.     CFMutableArrayRef subDevicesArrayClock = NULL;

  1193.     

  1194.     /*

  1195.      if (fClockDriftCompensate) {

  1196.      if (need_clock_drift_compensation) {

  1197.      jack_info("Clock drift compensation activated...");

  1198.      subDevicesArrayClock = CFArrayCreateMutable(NULL, 0, &kCFTypeArrayCallBacks);

  1199.      

  1200.      for (UInt32 i = 0; i < captureDeviceID.size(); i++) {

  1201.      CFStringRef UID = GetDeviceName(captureDeviceID[i]);

  1202.      if (UID) {

  1203.      CFMutableDictionaryRef subdeviceAggDeviceDict = CFDictionaryCreateMutable(NULL, 0, &kCFTypeDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks);

  1204.      CFDictionaryAddValue(subdeviceAggDeviceDict, CFSTR(kAudioSubDeviceUIDKey), UID);

  1205.      CFDictionaryAddValue(subdeviceAggDeviceDict, CFSTR(kAudioSubDeviceDriftCompensationKey), AggregateDeviceNumberRef);

  1206.      //CFRelease(UID);

  1207.      CFArrayAppendValue(subDevicesArrayClock, subdeviceAggDeviceDict);

  1208.      }

  1209.      }

  1210.      

  1211.      for (UInt32 i = 0; i < playbackDeviceID.size(); i++) {

  1212.      CFStringRef UID = GetDeviceName(playbackDeviceID[i]);

  1213.      if (UID) {

  1214.      CFMutableDictionaryRef subdeviceAggDeviceDict = CFDictionaryCreateMutable(NULL, 0, &kCFTypeDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks);

  1215.      CFDictionaryAddValue(subdeviceAggDeviceDict, CFSTR(kAudioSubDeviceUIDKey), UID);

  1216.      CFDictionaryAddValue(subdeviceAggDeviceDict, CFSTR(kAudioSubDeviceDriftCompensationKey), AggregateDeviceNumberRef);

  1217.      //CFRelease(UID);

  1218.      CFArrayAppendValue(subDevicesArrayClock, subdeviceAggDeviceDict);

  1219.      }

  1220.      }

  1221.      

  1222.      // add sub-device clock array for the aggregate device to the dictionary

  1223.      CFDictionaryAddValue(aggDeviceDict, CFSTR(kAudioAggregateDeviceSubDeviceListKey), subDevicesArrayClock);

  1224.      } else {

  1225.      jack_info("Clock drift compensation was asked but is not needed (devices use the same clock domain)");

  1226.      }

  1227.      }

  1228.      */

  1229.     

  1230.     //-------------------------------------------------

  1231.     // Create a CFMutableArray for our sub-device list

  1232.     //-------------------------------------------------

  1233.     

  1234.     // we need to append the UID for each device to a CFMutableArray, so create one here

  1235.     CFMutableArrayRef subDevicesArray = CFArrayCreateMutable(NULL, 0, &kCFTypeArrayCallBacks);

  1236.     

  1237.     vector<CFStringRef> captureDeviceUID;

  1238.     for (UInt32 i = 0; i < captureDeviceID.size(); i++) {

  1239.         CFStringRef ref = GetDeviceName(captureDeviceID[i]);

  1240.         if (ref == NULL)

  1241.             return -1;

  1242.         captureDeviceUID.push_back(ref);

  1243.         // input sub-devices in this example, so append the sub-device's UID to the CFArray

  1244.         CFArrayAppendValue(subDevicesArray, ref);

  1245.     }

  1246.     

  1247.     vector<CFStringRef> playbackDeviceUID;

  1248.     for (UInt32 i = 0; i < playbackDeviceID.size(); i++) {

  1249.         CFStringRef ref = GetDeviceName(playbackDeviceID[i]);

  1250.         if (ref == NULL)

  1251.             return -1;

  1252.         playbackDeviceUID.push_back(ref);

  1253.         // output sub-devices in this example, so append the sub-device's UID to the CFArray

  1254.         CFArrayAppendValue(subDevicesArray, ref);

  1255.     }

  1256.     

  1257.     //-----------------------------------------------------------------------

  1258.     // Feed the dictionary to the plugin, to create a blank aggregate device

  1259.     //-----------------------------------------------------------------------

  1260.     

  1261.     AudioObjectPropertyAddress pluginAOPA;

  1262.     pluginAOPA.mSelector = kAudioPlugInCreateAggregateDevice;

  1263.     pluginAOPA.mScope = kAudioObjectPropertyScopeGlobal;

  1264.     pluginAOPA.mElement = kAudioObjectPropertyElementMaster;

  1265.     UInt32 outDataSize;

  1266.     

  1267.     osErr = AudioObjectGetPropertyDataSize(fPluginID, &pluginAOPA, 0, NULL, &outDataSize);

  1268.     if (osErr != noErr) {

  1269.         jack_error("JackCoreAudioDriver::CreateAggregateDevice : AudioObjectGetPropertyDataSize error");

  1270.         printError(osErr);

  1271.         goto error;

  1272.     }

  1273.     

  1274.     osErr = AudioObjectGetPropertyData(fPluginID, &pluginAOPA, sizeof(aggDeviceDict), &aggDeviceDict, &outDataSize, outAggregateDevice);

  1275.     if (osErr != noErr) {

  1276.         jack_error("JackCoreAudioDriver::CreateAggregateDevice : AudioObjectGetPropertyData error");

  1277.         printError(osErr);

  1278.         goto error;

  1279.     }

  1280.     

  1281.     // pause for a bit to make sure that everything completed correctly

  1282.     // this is to work around a bug in the HAL where a new aggregate device seems to disappear briefly after it is created

  1283.     CFRunLoopRunInMode(kCFRunLoopDefaultMode, 0.1, false);

  1284.     

  1285.     //-------------------------

  1286.     // Set the sub-device list

  1287.     //-------------------------

  1288.     

  1289.     pluginAOPA.mSelector = kAudioAggregateDevicePropertyFullSubDeviceList;

  1290.     pluginAOPA.mScope = kAudioObjectPropertyScopeGlobal;

  1291.     pluginAOPA.mElement = kAudioObjectPropertyElementMaster;

  1292.     outDataSize = sizeof(CFMutableArrayRef);

  1293.     osErr = AudioObjectSetPropertyData(*outAggregateDevice, &pluginAOPA, 0, NULL, outDataSize, &subDevicesArray);

  1294.     if (osErr != noErr) {

  1295.         jack_error("JackCoreAudioDriver::CreateAggregateDevice : AudioObjectSetPropertyData for sub-device list error");

  1296.         printError(osErr);

  1297.         goto error;

  1298.     }

  1299.     

  1300.     // pause again to give the changes time to take effect

  1301.     CFRunLoopRunInMode(kCFRunLoopDefaultMode, 0.1, false);

  1302.     

  1303.     //-----------------------

  1304.     // Set the master device

  1305.     //-----------------------

  1306.     

  1307.     // set the master device manually (this is the device which will act as the master clock for the aggregate device)

  1308.     // pass in the UID of the device you want to use

  1309.     pluginAOPA.mSelector = kAudioAggregateDevicePropertyMasterSubDevice;

  1310.     pluginAOPA.mScope = kAudioObjectPropertyScopeGlobal;

  1311.     pluginAOPA.mElement = kAudioObjectPropertyElementMaster;

  1312.     outDataSize = sizeof(CFStringRef);

  1313.     osErr = AudioObjectSetPropertyData(*outAggregateDevice, &pluginAOPA, 0, NULL, outDataSize, &captureDeviceUID[0]);  // First apture is master...

  1314.     if (osErr != noErr) {

  1315.         jack_error("JackCoreAudioDriver::CreateAggregateDevice : AudioObjectSetPropertyData for master device error");

  1316.         printError(osErr);

  1317.         goto error;

  1318.     }

  1319.     

  1320.     // pause again to give the changes time to take effect

  1321.     CFRunLoopRunInMode(kCFRunLoopDefaultMode, 0.1, false);

  1322.     

  1323.     // Prepare sub-devices for clock drift compensation

  1324.     // Workaround for bug in the HAL : until 10.6.2

  1325.     

  1326.     if (fClockDriftCompensate) {

  1327.         if (need_clock_drift_compensation) {

  1328.             jack_info("Clock drift compensation activated...");

  1329.             

  1330.             // Get the property data size

  1331.             osErr = AudioObjectGetPropertyDataSize(*outAggregateDevice, &theAddressOwned, theQualifierDataSize, theQualifierData, &outSize);

  1332.             if (osErr != noErr) {

  1333.                 jack_error("JackCoreAudioDriver::CreateAggregateDevice kAudioObjectPropertyOwnedObjects error");

  1334.                 printError(osErr);

  1335.             }

  1336.             

  1337.             //	Calculate the number of object IDs

  1338.             subDevicesNum = outSize / sizeof(AudioObjectID);

  1339.             jack_info("JackCoreAudioDriver::CreateAggregateDevice clock drift compensation, number of sub-devices = %d", subDevicesNum);

  1340.             AudioObjectID subDevices[subDevicesNum];

  1341.             outSize = sizeof(subDevices);

  1342.             

  1343.             osErr = AudioObjectGetPropertyData(*outAggregateDevice, &theAddressOwned, theQualifierDataSize, theQualifierData, &outSize, subDevices);

  1344.             if (osErr != noErr) {

  1345.                 jack_error("JackCoreAudioDriver::CreateAggregateDevice kAudioObjectPropertyOwnedObjects error");

  1346.                 printError(osErr);

  1347.             }

  1348.             

  1349.             // Set kAudioSubDevicePropertyDriftCompensation property...

  1350.             for (UInt32 index = 0; index < subDevicesNum; ++index) {

  1351.                 UInt32 theDriftCompensationValue = 1;

  1352.                 osErr = AudioObjectSetPropertyData(subDevices[index], &theAddressDrift, 0, NULL, sizeof(UInt32), &theDriftCompensationValue);

  1353.                 if (osErr != noErr) {

  1354.                     jack_error("JackCoreAudioDriver::CreateAggregateDevice kAudioSubDevicePropertyDriftCompensation error");

  1355.                     printError(osErr);

  1356.                 }

  1357.             }

  1358.         } else {

  1359.             jack_info("Clock drift compensation was asked but is not needed (devices use the same clock domain)");

  1360.         }

  1361.     }    

  1362.     

  1363.     // pause again to give the changes time to take effect

  1364.     CFRunLoopRunInMode(kCFRunLoopDefaultMode, 0.1, false);

  1365.     

  1366.     //----------

  1367.     // Clean up

  1368.     //----------

  1369.     

  1370.     // release the private AD key

  1371.     CFRelease(AggregateDeviceNumberRef);

  1372.     

  1373.     // release the CF objects we have created - we don't need them any more

  1374.     CFRelease(aggDeviceDict);

  1375.     CFRelease(subDevicesArray);

  1376.     

  1377.     if (subDevicesArrayClock)

  1378.         CFRelease(subDevicesArrayClock);

  1379.     

  1380.     // release the device UID

  1381.     for (UInt32 i = 0; i < captureDeviceUID.size(); i++) {

  1382.         CFRelease(captureDeviceUID[i]);

  1383.     }

  1384.     

  1385.     for (UInt32 i = 0; i < playbackDeviceUID.size(); i++) {

  1386.         CFRelease(playbackDeviceUID[i]);

  1387.     }

  1388.     

  1389.     jack_log("New aggregate device %ld", *outAggregateDevice);

  1390.     return noErr;

  1391.     

  1392. error:

  1393.     DestroyAggregateDevice();

  1394.     return -1;

  1395. }

  1396.     

  1397.     

  1398. bool JackCoreAudioAdapter::IsAggregateDevice(AudioDeviceID device)

  1399. {

  1400.     OSStatus err = noErr;

  1401.     AudioObjectID sub_device[32];

  1402.     UInt32 outSize = sizeof(sub_device);

  1403.     err = AudioDeviceGetProperty(device, 0, kAudioDeviceSectionGlobal, kAudioAggregateDevicePropertyActiveSubDeviceList, &outSize, sub_device);

  1404.     

  1405.     if (err != noErr) {

  1406.         jack_log("Device does not have subdevices");

  1407.         return false;

  1408.     } else {

  1409.         int num_devices = outSize / sizeof(AudioObjectID);

  1410.         jack_log("Device does has %d subdevices", num_devices);

  1411.         return true;

  1412.     }

  1413. }

  1414. 

  1415. void JackCoreAudioAdapter::CloseAUHAL()

  1416. {

  1417.     AudioUnitUninitialize(fAUHAL);

  1418.     CloseComponent(fAUHAL);

  1419. }

  1420. 

  1421. int JackCoreAudioAdapter::Open()

  1422. {

  1423.     return (AudioOutputUnitStart(fAUHAL) != noErr)  ? -1 : 0;

  1424. }

  1425. 

  1426. int JackCoreAudioAdapter::Close()

  1427. {

  1428. #ifdef JACK_MONITOR

  1429.     fTable.Save(fHostBufferSize, fHostSampleRate, fAdaptedSampleRate, fAdaptedBufferSize);

  1430. #endif

  1431.     AudioOutputUnitStop(fAUHAL);

  1432.     DisposeBuffers();

  1433.     CloseAUHAL();

  1434.     RemoveListeners();

  1435.     if (fPluginID > 0)

  1436.         DestroyAggregateDevice();

  1437.     return 0;

  1438. }

  1439. 

  1440. int JackCoreAudioAdapter::SetSampleRate ( jack_nframes_t sample_rate ) {

  1441.     JackAudioAdapterInterface::SetHostSampleRate ( sample_rate );

  1442.     Close();

  1443.     return Open();

  1444. }

  1445. 

  1446. int JackCoreAudioAdapter::SetBufferSize ( jack_nframes_t buffer_size ) {

  1447.     JackAudioAdapterInterface::SetHostBufferSize ( buffer_size );

  1448.     Close();

  1449.     return Open();

  1450. }

  1451. 

  1452. } // namespace

  1453. 

  1454. #ifdef __cplusplus

  1455. extern "C"

  1456. {

  1457. #endif

  1458. 

  1459.    SERVER_EXPORT jack_driver_desc_t* jack_get_descriptor()

  1460.    {

  1461.         jack_driver_desc_t *desc;

  1462.         unsigned int i;

  1463.         desc = (jack_driver_desc_t*)calloc(1, sizeof(jack_driver_desc_t));

  1464. 

  1465.         strcpy(desc->name, "audioadapter");                            // size MUST be less then JACK_DRIVER_NAME_MAX + 1

  1466.         strcpy(desc->desc, "netjack audio <==> net backend adapter");  // size MUST be less then JACK_DRIVER_PARAM_DESC + 1

  1467.      

  1468.         desc->nparams = 13;

  1469.         desc->params = (jack_driver_param_desc_t*)calloc(desc->nparams, sizeof(jack_driver_param_desc_t));

  1470. 

  1471.         i = 0;

  1472.         strcpy(desc->params[i].name, "channels");

  1473.         desc->params[i].character = 'c';

  1474.         desc->params[i].type = JackDriverParamInt;

  1475.         desc->params[i].value.ui = -1;

  1476.         strcpy(desc->params[i].short_desc, "Maximum number of channels");

  1477.         strcpy(desc->params[i].long_desc, "Maximum number of channels. If -1, max possible number of channels will be used");

  1478. 

  1479.         i++;

  1480.         strcpy(desc->params[i].name, "inchannels");

  1481.         desc->params[i].character = 'i';

  1482.         desc->params[i].type = JackDriverParamInt;

  1483.         desc->params[i].value.ui = -1;

  1484.         strcpy(desc->params[i].short_desc, "Maximum number of input channels");

  1485.         strcpy(desc->params[i].long_desc, "Maximum number of input channels. If -1, max possible number of input channels will be used");

  1486. 

  1487.         i++;

  1488.         strcpy(desc->params[i].name, "outchannels");

  1489.         desc->params[i].character = 'o';

  1490.         desc->params[i].type = JackDriverParamInt;

  1491.         desc->params[i].value.ui = -1;

  1492.         strcpy(desc->params[i].short_desc, "Maximum number of output channels");

  1493.         strcpy(desc->params[i].long_desc, "Maximum number of output channels. If -1, max possible number of output channels will be used");

  1494. 

  1495.         i++;

  1496.         strcpy(desc->params[i].name, "capture");

  1497.         desc->params[i].character = 'C';

  1498.         desc->params[i].type = JackDriverParamString;

  1499.         strcpy(desc->params[i].short_desc, "Input CoreAudio device name");

  1500.         strcpy(desc->params[i].long_desc, desc->params[i].short_desc);

  1501. 

  1502.         i++;

  1503.         strcpy(desc->params[i].name, "playback");

  1504.         desc->params[i].character = 'P';

  1505.         desc->params[i].type = JackDriverParamString;

  1506.         strcpy(desc->params[i].short_desc, "Output CoreAudio device name");

  1507.         strcpy(desc->params[i].long_desc, desc->params[i].short_desc);

  1508. 

  1509.         i++;

  1510.         strcpy(desc->params[i].name, "rate");

  1511.         desc->params[i].character = 'r';

  1512.         desc->params[i].type = JackDriverParamUInt;

  1513.         desc->params[i].value.ui = 44100U;

  1514.         strcpy(desc->params[i].short_desc, "Sample rate");

  1515.         strcpy(desc->params[i].long_desc, desc->params[i].short_desc);

  1516. 

  1517.         i++;

  1518.         strcpy(desc->params[i].name, "period");

  1519.         desc->params[i].character = 'p';

  1520.         desc->params[i].type = JackDriverParamUInt;

  1521.         desc->params[i].value.ui = 512U;

  1522.         strcpy(desc->params[i].short_desc, "Frames per period");

  1523.         strcpy(desc->params[i].long_desc, desc->params[i].short_desc);

  1524. 

  1525.         i++;

  1526.         strcpy(desc->params[i].name, "duplex");

  1527.         desc->params[i].character = 'D';

  1528.         desc->params[i].type = JackDriverParamBool;

  1529.         desc->params[i].value.i = TRUE;

  1530.         strcpy(desc->params[i].short_desc, "Provide both capture and playback ports");

  1531.         strcpy(desc->params[i].long_desc, desc->params[i].short_desc);

  1532. 

  1533.         i++;

  1534.         strcpy(desc->params[i].name, "device");

  1535.         desc->params[i].character = 'd';

  1536.         desc->params[i].type = JackDriverParamString;

  1537.         strcpy(desc->params[i].short_desc, "CoreAudio device name");

  1538.         strcpy(desc->params[i].long_desc, desc->params[i].short_desc);

  1539. 

  1540.         i++;

  1541.         strcpy(desc->params[i].name, "list-devices");

  1542.         desc->params[i].character = 'l';

  1543.         desc->params[i].type = JackDriverParamBool;

  1544.         desc->params[i].value.i = TRUE;

  1545.         strcpy(desc->params[i].short_desc, "Display available CoreAudio devices");

  1546.         strcpy(desc->params[i].long_desc, desc->params[i].short_desc);

  1547.         

  1548.         i++;

  1549.         strcpy(desc->params[i].name, "quality");

  1550.         desc->params[i].character = 'q';

  1551.         desc->params[i].type = JackDriverParamInt;

  1552.         desc->params[i].value.ui = 0;

  1553.         strcpy(desc->params[i].short_desc, "Resample algorithm quality (0 - 4)");

  1554.         strcpy(desc->params[i].long_desc, desc->params[i].short_desc);

  1555.         

  1556.         i++;

  1557.         strcpy(desc->params[i].name, "ring-buffer");

  1558.         desc->params[i].character = 'g';

  1559.         desc->params[i].type = JackDriverParamInt;

  1560.         desc->params[i].value.ui = 32768;

  1561.         strcpy(desc->params[i].short_desc, "Fixed ringbuffer size");

  1562.         strcpy(desc->params[i].long_desc, "Fixed ringbuffer size (if not set => automatic adaptative)");

  1563.        

  1564.         i++;

  1565.         strcpy(desc->params[i].name, "clock-drift");

  1566.         desc->params[i].character = 's';

  1567.         desc->params[i].type = JackDriverParamBool;

  1568.         desc->params[i].value.i = FALSE;

  1569.         strcpy(desc->params[i].short_desc, "Clock drift compensation");

  1570.         strcpy(desc->params[i].long_desc, "Whether to compensate clock drift in dynamically created aggregate device");

  1571.    

  1572.         return desc;

  1573.     }

  1574. 

  1575. 

  1576. #ifdef __cplusplus

  1577. }

  1578. #endif