jackaudio
/
jack2
mirror of https://github.com/jackaudio/jack2
1
0
Fork 0
Code Releases 45 Activity
jack2 codebase
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
2541 Commits
8 Branches
67MB
Tree: 08edac7982
Branches Tags
${ item.name }
Create branch ${ searchTerm }
from '08edac7982'
${ noResults }
jack2/macosx/coreaudio/JackCoreAudioAdapter.cpp

1555 lines
60KB
Raw Blame History 

  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("JackCoreAudioAdapter::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.     jack_default_audio_sample_t* inputBuffer[adapter->fCaptureChannels];

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

  281. 

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

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

  284.     }

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

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

  287.     }

  288. 

  289.     adapter->PushAndPull((jack_default_audio_sample_t**)inputBuffer, (jack_default_audio_sample_t**)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 std::bad_alloc();

  396.     }

  397. 

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

  399.         throw std::bad_alloc();

  400.     }

  401. 

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

  403.         throw std::bad_alloc();

  404.     }

  405. 

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

  407.         throw std::bad_alloc();

  408.     }

  409. 

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

  411.         throw std::bad_alloc();

  412.     }

  413. 

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

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

  416.             throw std::bad_alloc();

  417.         }

  418.     }

  419. 

  420.     if (AddListeners() < 0) {

  421.         throw std::bad_alloc();

  422.     }

  423. }

  424. 

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

  426. {

  427.     OSStatus res;

  428.     UInt32 theSize = sizeof(UInt32);

  429.     AudioDeviceID inDefault;

  430.     AudioDeviceID outDefault;

  431. 

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

  433.         return res;

  434. 

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

  436.         return res;

  437. 

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

  439. 

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

  441.     if (inDefault != outDefault) {

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

  443.         return kAudioHardwareBadDeviceError;

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

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

  446.         return kAudioHardwareBadDeviceError;

  447.     } else {

  448.         *id = inDefault;

  449.         return noErr;

  450.     }

  451. }

  452. 

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

  454. {

  455.     OSStatus err = noErr;

  456.     UInt32	outSize;

  457.     Boolean	outWritable;

  458. 

  459.     channelCount = 0;

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

  461.     if (err == noErr) {

  462.         AudioBufferList bufferList[outSize];

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

  464.         if (err == noErr) {

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

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

  467.         }

  468.     }

  469. 

  470.     return err;

  471. }

  472. 

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

  474. {

  475.     UInt32 size = sizeof(AudioValueTranslation);

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

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

  478. 

  479.     if (inIUD == NULL) {

  480.         return kAudioHardwareUnspecifiedError;

  481.     } else {

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

  483.         CFRelease(inIUD);

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

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

  486.     }

  487. }

  488. 

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

  490. {

  491.     OSStatus res;

  492.     UInt32 theSize = sizeof(UInt32);

  493.     AudioDeviceID inDefault;

  494. 

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

  496.         return res;

  497. 

  498.     if (inDefault == 0) {

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

  500.         return -1;

  501.     }

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

  503.     *id = inDefault;

  504.     return noErr;

  505. }

  506. 

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

  508. {

  509.     OSStatus res;

  510.     UInt32 theSize = sizeof(UInt32);

  511.     AudioDeviceID outDefault;

  512. 

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

  514.         return res;

  515. 

  516.     if (outDefault == 0) {

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

  518.         return -1;

  519.     }

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

  521.     *id = outDefault;

  522.     return noErr;

  523. }

  524. 

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

  526. {

  527.     UInt32 size = 256;

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

  529. }

  530. 

  531. // Setup

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

  533.                                         const char* playback_driver_uid,

  534.                                         char* capture_driver_name,

  535.                                         char* playback_driver_name,

  536.                                         jack_nframes_t samplerate)

  537. {

  538.     capture_driver_name[0] = 0;

  539.     playback_driver_name[0] = 0;

  540. 

  541.     // Duplex

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

  543. 

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

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

  546. 

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

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

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

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

  551.                     return -1;

  552.                 }

  553.             }

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

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

  556.                 return -1;

  557.             }

  558. 

  559.         } else {

  560. 

  561.             // Creates aggregate device

  562.             AudioDeviceID captureID, playbackID;

  563. 

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

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

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

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

  568.                     return -1;

  569.                 }

  570.             }

  571. 

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

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

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

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

  576.                     return -1;

  577.                 }

  578.             }

  579. 

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

  581.                 return -1;

  582.         }

  583. 

  584.     // Capture only

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

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

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

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

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

  590.                 return -1;

  591.             }

  592.         }

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

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

  595.             return -1;

  596.         }

  597. 

  598.     // Playback only

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

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

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

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

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

  604.                 return -1;

  605.             }

  606.         }

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

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

  609.             return -1;

  610.         }

  611. 

  612.     // Use default driver in duplex mode

  613.     } else {

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

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

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

  617. 

  618.             // Creates aggregate device

  619.             AudioDeviceID captureID, playbackID;

  620. 

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

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

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

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

  625.                     return -1;

  626.                 }

  627.             }

  628. 

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

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

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

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

  633.                     return -1;

  634.                 }

  635.             }

  636. 

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

  638.                 return -1;

  639.         }

  640.     }

  641. 

  642.     return 0;

  643. }

  644. 

  645. int JackCoreAudioAdapter::SetupChannels(bool capturing,

  646.                                         bool playing,

  647.                                         int& inchannels,

  648.                                         int& outchannels,

  649.                                         int& in_nChannels,

  650.                                         int& out_nChannels,

  651.                                         bool strict)

  652. {

  653.     OSStatus err = noErr;

  654. 

  655.     if (capturing) {

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

  657.         if (err != noErr) {

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

  659.             printError(err);

  660.             return -1;

  661.         } else {

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

  663.         }

  664.     }

  665. 

  666.     if (playing) {

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

  668.         if (err != noErr) {

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

  670.             printError(err);

  671.             return -1;

  672.         } else {

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

  674.         }

  675.     }

  676. 

  677.     if (inchannels > in_nChannels) {

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

  679.         if (strict)

  680.             return -1;

  681.     }

  682. 

  683.     if (outchannels > out_nChannels) {

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

  685.         if (strict)

  686.             return -1;

  687.     }

  688. 

  689.     if (inchannels == -1) {

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

  691.         inchannels = in_nChannels;

  692.     }

  693. 

  694.     if (outchannels == -1) {

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

  696.         outchannels = out_nChannels;

  697.     }

  698. 

  699.     return 0;

  700. }

  701. 

  702. int JackCoreAudioAdapter::SetupBufferSize(jack_nframes_t buffer_size)

  703. {

  704.     // Setting buffer size

  705.     UInt32 outSize = sizeof(UInt32);

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

  707.     if (err != noErr) {

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

  709.         printError(err);

  710.         return -1;

  711.     }

  712. 

  713.     return 0;

  714. }

  715. 

  716. int JackCoreAudioAdapter::SetupSampleRate(jack_nframes_t samplerate)

  717. {

  718.     return SetupSampleRateAux(fDeviceID, samplerate);

  719. }

  720. 

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

  722. {

  723.     OSStatus err = noErr;

  724.     UInt32 outSize;

  725.     Float64 sampleRate;

  726. 

  727.     // Get sample rate

  728.     outSize =  sizeof(Float64);

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

  730.     if (err != noErr) {

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

  732.         printError(err);

  733.         return -1;

  734.     } else {

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

  736.     }

  737. 

  738.     // If needed, set new sample rate

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

  740.         sampleRate = (Float64)samplerate;

  741. 

  742.         // To get SR change notification

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

  744.         if (err != noErr) {

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

  746.             printError(err);

  747.             return -1;

  748.         }

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

  750.         if (err != noErr) {

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

  752.             printError(err);

  753.             return -1;

  754.         }

  755. 

  756.         // Waiting for SR change notification

  757.         int count = 0;

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

  759.             usleep(100000);

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

  761.         }

  762. 

  763.         // Remove SR change notification

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

  765.     }

  766. 

  767.     return 0;

  768. }

  769. 

  770. int JackCoreAudioAdapter::SetupBuffers(int inchannels)

  771. {

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

  773. 

  774.     // Prepare buffers

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

  776.     fInputData->mNumberBuffers = inchannels;

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

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

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

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

  781.     }

  782.     return 0;

  783. }

  784. 

  785. void JackCoreAudioAdapter::DisposeBuffers()

  786. {

  787.     if (fInputData) {

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

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

  790.         free(fInputData);

  791.         fInputData = 0;

  792.     }

  793. }

  794. 

  795. int JackCoreAudioAdapter::OpenAUHAL(bool capturing,

  796.                                    bool playing,

  797.                                    int inchannels,

  798.                                    int outchannels,

  799.                                    int in_nChannels,

  800.                                    int out_nChannels,

  801.                                    jack_nframes_t buffer_size,

  802.                                    jack_nframes_t samplerate)

  803. {

  804.     ComponentResult err1;

  805.     UInt32 enableIO;

  806.     AudioStreamBasicDescription srcFormat, dstFormat;

  807.     AudioDeviceID currAudioDeviceID;

  808.     UInt32 size;

  809. 

  810.     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);

  811. 

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

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

  814.         return -1;

  815.     }

  816. 

  817.     // AUHAL

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

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

  820. 

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

  822.     if (err1 != noErr) {

  823.         jack_error("Error calling OpenAComponent");

  824.         printError(err1);

  825.         goto error;

  826.     }

  827. 

  828.     err1 = AudioUnitInitialize(fAUHAL);

  829.     if (err1 != noErr) {

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

  831.         printError(err1);

  832.         goto error;

  833.     }

  834. 

  835.     // Start I/O

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

  837.         enableIO = 1;

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

  839.     } else {

  840.         enableIO = 0;

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

  842.     }

  843. 

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

  845.     if (err1 != noErr) {

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

  847.         printError(err1);

  848.         goto error;

  849.     }

  850. 

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

  852.         enableIO = 1;

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

  854.     } else {

  855.         enableIO = 0;

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

  857.     }

  858. 

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

  860.     if (err1 != noErr) {

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

  862.         printError(err1);

  863.         goto error;

  864.     }

  865. 

  866.     size = sizeof(AudioDeviceID);

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

  868.     if (err1 != noErr) {

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

  870.         printError(err1);

  871.         goto error;

  872.     } else {

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

  874.     }

  875. 

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

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

  878.     if (err1 != noErr) {

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

  880.         printError(err1);

  881.         goto error;

  882.     }

  883. 

  884.     // Set buffer size

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

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

  887.         if (err1 != noErr) {

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

  889.             printError(err1);

  890.             goto error;

  891.         }

  892.     }

  893. 

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

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

  896.         if (err1 != noErr) {

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

  898.             printError(err1);

  899.             goto error;

  900.         }

  901.     }

  902. 

  903.     // Setup channel map

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

  905.         SInt32 chanArr[in_nChannels];

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

  907.             chanArr[i] = -1;

  908.         }

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

  910.             chanArr[i] = i;

  911.         }

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

  913.         if (err1 != noErr) {

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

  915.             printError(err1);

  916.             goto error;

  917.         }

  918.     }

  919. 

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

  921.         SInt32 chanArr[out_nChannels];

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

  923.             chanArr[i] = -1;

  924.         }

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

  926.             chanArr[i] = i;

  927.         }

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

  929.         if (err1 != noErr) {

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

  931.             printError(err1);

  932.             goto error;

  933.         }

  934.     }

  935. 

  936.     // Setup stream converters

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

  938. 

  939.         size = sizeof(AudioStreamBasicDescription);

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

  941.         if (err1 != noErr) {

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

  943.             printError(err1);

  944.             goto error;

  945.         }

  946.         PrintStreamDesc(&srcFormat);

  947. 

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

  949.         srcFormat.mSampleRate = samplerate;

  950.         srcFormat.mFormatID = kAudioFormatLinearPCM;

  951.         srcFormat.mFormatFlags = kAudioFormatFlagsNativeFloatPacked | kLinearPCMFormatFlagIsNonInterleaved;

  952.         srcFormat.mBytesPerPacket = sizeof(jack_default_audio_sample_t);

  953.         srcFormat.mFramesPerPacket = 1;

  954.         srcFormat.mBytesPerFrame = sizeof(jack_default_audio_sample_t);

  955.         srcFormat.mChannelsPerFrame = inchannels;

  956.         srcFormat.mBitsPerChannel = 32;

  957.         PrintStreamDesc(&srcFormat);

  958. 

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

  960. 

  961.         if (err1 != noErr) {

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

  963.             printError(err1);

  964.             goto error;

  965.         }

  966.     }

  967. 

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

  969. 

  970.         size = sizeof(AudioStreamBasicDescription);

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

  972.         if (err1 != noErr) {

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

  974.             printError(err1);

  975.             goto error;

  976.         }

  977.         PrintStreamDesc(&dstFormat);

  978. 

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

  980.         dstFormat.mSampleRate = samplerate;

  981.         dstFormat.mFormatID = kAudioFormatLinearPCM;

  982.         dstFormat.mFormatFlags = kAudioFormatFlagsNativeFloatPacked | kLinearPCMFormatFlagIsNonInterleaved;

  983.         dstFormat.mBytesPerPacket = sizeof(jack_default_audio_sample_t);

  984.         dstFormat.mFramesPerPacket = 1;

  985.         dstFormat.mBytesPerFrame = sizeof(jack_default_audio_sample_t);

  986.         dstFormat.mChannelsPerFrame = outchannels;

  987.         dstFormat.mBitsPerChannel = 32;

  988.         PrintStreamDesc(&dstFormat);

  989. 

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

  991. 

  992.         if (err1 != noErr) {

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

  994.             printError(err1);

  995.             goto error;

  996.         }

  997.     }

  998. 

  999.     // Setup callbacks

  1000.     if (inchannels > 0 && outchannels == 0) {

  1001.         AURenderCallbackStruct output;

  1002.         output.inputProc = Render;

  1003.         output.inputProcRefCon = this;

  1004.         err1 = AudioUnitSetProperty(fAUHAL, kAudioOutputUnitProperty_SetInputCallback, kAudioUnitScope_Global, 0, &output, sizeof(output));

  1005.         if (err1 != noErr) {

  1006.             jack_error("Error calling  AudioUnitSetProperty - kAudioUnitProperty_SetRenderCallback 1");

  1007.             printError(err1);

  1008.             goto error;

  1009.         }

  1010.     } else {

  1011.         AURenderCallbackStruct output;

  1012.         output.inputProc = Render;

  1013.         output.inputProcRefCon = this;

  1014.         err1 = AudioUnitSetProperty(fAUHAL, kAudioUnitProperty_SetRenderCallback, kAudioUnitScope_Input, 0, &output, sizeof(output));

  1015.         if (err1 != noErr) {

  1016.             jack_error("Error calling AudioUnitSetProperty - kAudioUnitProperty_SetRenderCallback 0");

  1017.             printError(err1);

  1018.             goto error;

  1019.         }

  1020.     }

  1021. 

  1022.     return 0;

  1023. 

  1024. error:

  1025.     CloseAUHAL();

  1026.     return -1;

  1027. }

  1028. 

  1029. OSStatus JackCoreAudioAdapter::DestroyAggregateDevice()

  1030. {

  1031.     OSStatus osErr = noErr;

  1032.     AudioObjectPropertyAddress pluginAOPA;

  1033.     pluginAOPA.mSelector = kAudioPlugInDestroyAggregateDevice;

  1034.     pluginAOPA.mScope = kAudioObjectPropertyScopeGlobal;

  1035.     pluginAOPA.mElement = kAudioObjectPropertyElementMaster;

  1036.     UInt32 outDataSize;

  1037. 

  1038.     osErr = AudioObjectGetPropertyDataSize(fPluginID, &pluginAOPA, 0, NULL, &outDataSize);

  1039.     if (osErr != noErr) {

  1040.         jack_error("JackCoreAudioAdapter::DestroyAggregateDevice : AudioObjectGetPropertyDataSize error");

  1041.         printError(osErr);

  1042.         return osErr;

  1043.     }

  1044. 

  1045.     osErr = AudioObjectGetPropertyData(fPluginID, &pluginAOPA, 0, NULL, &outDataSize, &fDeviceID);

  1046.     if (osErr != noErr) {

  1047.         jack_error("JackCoreAudioAdapter::DestroyAggregateDevice : AudioObjectGetPropertyData error");

  1048.         printError(osErr);

  1049.         return osErr;

  1050.     }

  1051. 

  1052.     return noErr;

  1053. }

  1054. 

  1055. static CFStringRef GetDeviceName(AudioDeviceID id)

  1056. {

  1057.     UInt32 size = sizeof(CFStringRef);

  1058.     CFStringRef UIname;

  1059.     OSStatus err = AudioDeviceGetProperty(id, 0, false, kAudioDevicePropertyDeviceUID, &size, &UIname);

  1060.     return (err == noErr) ? UIname : NULL;

  1061. }

  1062. 

  1063. OSStatus JackCoreAudioAdapter::CreateAggregateDevice(AudioDeviceID captureDeviceID, AudioDeviceID playbackDeviceID, jack_nframes_t samplerate, AudioDeviceID* outAggregateDevice)

  1064. {

  1065.     OSStatus err = noErr;

  1066.     AudioObjectID sub_device[32];

  1067.     UInt32 outSize = sizeof(sub_device);

  1068. 

  1069.     err = AudioDeviceGetProperty(captureDeviceID, 0, kAudioDeviceSectionGlobal, kAudioAggregateDevicePropertyActiveSubDeviceList, &outSize, sub_device);

  1070.     vector<AudioDeviceID> captureDeviceIDArray;

  1071. 

  1072.     if (err != noErr) {

  1073.         jack_log("Input device does not have subdevices");

  1074.         captureDeviceIDArray.push_back(captureDeviceID);

  1075.     } else {

  1076.         int num_devices = outSize / sizeof(AudioObjectID);

  1077.         jack_log("Input device has %d subdevices", num_devices);

  1078.         for (int i = 0; i < num_devices; i++) {

  1079.             captureDeviceIDArray.push_back(sub_device[i]);

  1080.         }

  1081.     }

  1082. 

  1083.     err = AudioDeviceGetProperty(playbackDeviceID, 0, kAudioDeviceSectionGlobal, kAudioAggregateDevicePropertyActiveSubDeviceList, &outSize, sub_device);

  1084.     vector<AudioDeviceID> playbackDeviceIDArray;

  1085. 

  1086.     if (err != noErr) {

  1087.         jack_log("Output device does not have subdevices");

  1088.         playbackDeviceIDArray.push_back(playbackDeviceID);

  1089.     } else {

  1090.         int num_devices = outSize / sizeof(AudioObjectID);

  1091.         jack_log("Output device has %d subdevices", num_devices);

  1092.         for (int i = 0; i < num_devices; i++) {

  1093.             playbackDeviceIDArray.push_back(sub_device[i]);

  1094.         }

  1095.     }

  1096. 

  1097.     return CreateAggregateDeviceAux(captureDeviceIDArray, playbackDeviceIDArray, samplerate, outAggregateDevice);

  1098. }

  1099. 

  1100. OSStatus JackCoreAudioAdapter::CreateAggregateDeviceAux(vector<AudioDeviceID> captureDeviceID, vector<AudioDeviceID> playbackDeviceID, jack_nframes_t samplerate, AudioDeviceID* outAggregateDevice)

  1101. {

  1102.     OSStatus osErr = noErr;

  1103.     UInt32 outSize;

  1104.     Boolean outWritable;

  1105. 

  1106.     // Prepare sub-devices for clock drift compensation

  1107.     // Workaround for bug in the HAL : until 10.6.2

  1108.     AudioObjectPropertyAddress theAddressOwned = { kAudioObjectPropertyOwnedObjects, kAudioObjectPropertyScopeGlobal, kAudioObjectPropertyElementMaster };

  1109.     AudioObjectPropertyAddress theAddressDrift = { kAudioSubDevicePropertyDriftCompensation, kAudioObjectPropertyScopeGlobal, kAudioObjectPropertyElementMaster };

  1110.     UInt32 theQualifierDataSize = sizeof(AudioObjectID);

  1111.     AudioClassID inClass = kAudioSubDeviceClassID;

  1112.     void* theQualifierData = &inClass;

  1113.     UInt32 subDevicesNum = 0;

  1114. 

  1115.     //---------------------------------------------------------------------------

  1116.     // Setup SR of both devices otherwise creating AD may fail...

  1117.     //---------------------------------------------------------------------------

  1118.     UInt32 keptclockdomain = 0;

  1119.     UInt32 clockdomain = 0;

  1120.     outSize = sizeof(UInt32);

  1121.     bool need_clock_drift_compensation = false;

  1122. 

  1123.     for (UInt32 i = 0; i < captureDeviceID.size(); i++) {

  1124.         if (SetupSampleRateAux(captureDeviceID[i], samplerate) < 0) {

  1125.             jack_error("JackCoreAudioAdapter::CreateAggregateDevice : cannot set SR of input device");

  1126.         } else  {

  1127.             // Check clock domain

  1128.             osErr = AudioDeviceGetProperty(captureDeviceID[i], 0, kAudioDeviceSectionGlobal, kAudioDevicePropertyClockDomain, &outSize, &clockdomain);

  1129.             if (osErr != 0) {

  1130.                 jack_error("JackCoreAudioAdapter::CreateAggregateDevice : kAudioDevicePropertyClockDomain error");

  1131.                 printError(osErr);

  1132.             } else {

  1133.                 keptclockdomain = (keptclockdomain == 0) ? clockdomain : keptclockdomain;

  1134.                 jack_log("JackCoreAudioAdapter::CreateAggregateDevice : input clockdomain = %d", clockdomain);

  1135.                 if (clockdomain != 0 && clockdomain != keptclockdomain) {

  1136.                     jack_error("JackCoreAudioAdapter::CreateAggregateDevice : devices do not share the same clock!! clock drift compensation would be needed...");

  1137.                     need_clock_drift_compensation = true;

  1138.                 }

  1139.             }

  1140.         }

  1141.     }

  1142. 

  1143.     for (UInt32 i = 0; i < playbackDeviceID.size(); i++) {

  1144.         if (SetupSampleRateAux(playbackDeviceID[i], samplerate) < 0) {

  1145.             jack_error("JackCoreAudioAdapter::CreateAggregateDevice : cannot set SR of output device");

  1146.         } else {

  1147.             // Check clock domain

  1148.             osErr = AudioDeviceGetProperty(playbackDeviceID[i], 0, kAudioDeviceSectionGlobal, kAudioDevicePropertyClockDomain, &outSize, &clockdomain);

  1149.             if (osErr != 0) {

  1150.                 jack_error("JackCoreAudioAdapter::CreateAggregateDevice : kAudioDevicePropertyClockDomain error");

  1151.                 printError(osErr);

  1152.             } else {

  1153.                 keptclockdomain = (keptclockdomain == 0) ? clockdomain : keptclockdomain;

  1154.                 jack_log("JackCoreAudioAdapter::CreateAggregateDevice : output clockdomain = %d", clockdomain);

  1155.                 if (clockdomain != 0 && clockdomain != keptclockdomain) {

  1156.                     jack_error("JackCoreAudioAdapter::CreateAggregateDevice : devices do not share the same clock!! clock drift compensation would be needed...");

  1157.                     need_clock_drift_compensation = true;

  1158.                 }

  1159.             }

  1160.         }

  1161.     }

  1162. 

  1163.     // If no valid clock domain was found, then assume we have to compensate...

  1164.     if (keptclockdomain == 0) {

  1165.         need_clock_drift_compensation = true;

  1166.     }

  1167. 

  1168.     //---------------------------------------------------------------------------

  1169.     // Start to create a new aggregate by getting the base audio hardware plugin

  1170.     //---------------------------------------------------------------------------

  1171. 

  1172.     char device_name[256];

  1173.     for (UInt32 i = 0; i < captureDeviceID.size(); i++) {

  1174.         GetDeviceNameFromID(captureDeviceID[i], device_name);

  1175.         jack_info("Separated input = '%s' ", device_name);

  1176.     }

  1177. 

  1178.     for (UInt32 i = 0; i < playbackDeviceID.size(); i++) {

  1179.         GetDeviceNameFromID(playbackDeviceID[i], device_name);

  1180.         jack_info("Separated output = '%s' ", device_name);

  1181.     }

  1182. 

  1183.     osErr = AudioHardwareGetPropertyInfo(kAudioHardwarePropertyPlugInForBundleID, &outSize, &outWritable);

  1184.     if (osErr != noErr) {

  1185.         jack_error("JackCoreAudioAdapter::CreateAggregateDevice : AudioHardwareGetPropertyInfo kAudioHardwarePropertyPlugInForBundleID error");

  1186.         printError(osErr);

  1187.         return osErr;

  1188.     }

  1189. 

  1190.     AudioValueTranslation pluginAVT;

  1191. 

  1192.     CFStringRef inBundleRef = CFSTR("com.apple.audio.CoreAudio");

  1193. 

  1194.     pluginAVT.mInputData = &inBundleRef;

  1195.     pluginAVT.mInputDataSize = sizeof(inBundleRef);

  1196.     pluginAVT.mOutputData = &fPluginID;

  1197.     pluginAVT.mOutputDataSize = sizeof(fPluginID);

  1198. 

  1199.     osErr = AudioHardwareGetProperty(kAudioHardwarePropertyPlugInForBundleID, &outSize, &pluginAVT);

  1200.     if (osErr != noErr) {

  1201.         jack_error("JackCoreAudioAdapter::CreateAggregateDevice : AudioHardwareGetProperty kAudioHardwarePropertyPlugInForBundleID error");

  1202.         printError(osErr);

  1203.         return osErr;

  1204.     }

  1205. 

  1206.     //-------------------------------------------------

  1207.     // Create a CFDictionary for our aggregate device

  1208.     //-------------------------------------------------

  1209. 

  1210.     CFMutableDictionaryRef aggDeviceDict = CFDictionaryCreateMutable(NULL, 0, &kCFTypeDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks);

  1211. 

  1212.     CFStringRef AggregateDeviceNameRef = CFSTR("JackDuplex");

  1213.     CFStringRef AggregateDeviceUIDRef = CFSTR("com.grame.JackDuplex");

  1214. 

  1215.     // add the name of the device to the dictionary

  1216.     CFDictionaryAddValue(aggDeviceDict, CFSTR(kAudioAggregateDeviceNameKey), AggregateDeviceNameRef);

  1217. 

  1218.     // add our choice of UID for the aggregate device to the dictionary

  1219.     CFDictionaryAddValue(aggDeviceDict, CFSTR(kAudioAggregateDeviceUIDKey), AggregateDeviceUIDRef);

  1220. 

  1221.     // add a "private aggregate key" to the dictionary

  1222.     int value = 1;

  1223.     CFNumberRef AggregateDeviceNumberRef = CFNumberCreate(NULL, kCFNumberIntType, &value);

  1224. 

  1225.     SInt32 system;

  1226.     Gestalt(gestaltSystemVersion, &system);

  1227. 

  1228.     jack_log("JackCoreAudioAdapter::CreateAggregateDevice : system version = %x limit = %x", system, 0x00001054);

  1229. 

  1230.     // Starting with 10.5.4 systems, the AD can be internal... (better)

  1231.     if (system < 0x00001054) {

  1232.         jack_log("JackCoreAudioAdapter::CreateAggregateDevice : public aggregate device....");

  1233.     } else {

  1234.         jack_log("JackCoreAudioAdapter::CreateAggregateDevice : private aggregate device....");

  1235.         CFDictionaryAddValue(aggDeviceDict, CFSTR(kAudioAggregateDeviceIsPrivateKey), AggregateDeviceNumberRef);

  1236.     }

  1237. 

  1238.     // Prepare sub-devices for clock drift compensation

  1239.     CFMutableArrayRef subDevicesArrayClock = NULL;

  1240. 

  1241.     /*

  1242.      if (fClockDriftCompensate) {

  1243.      if (need_clock_drift_compensation) {

  1244.      jack_info("Clock drift compensation activated...");

  1245.      subDevicesArrayClock = CFArrayCreateMutable(NULL, 0, &kCFTypeArrayCallBacks);

  1246. 

  1247.      for (UInt32 i = 0; i < captureDeviceID.size(); i++) {

  1248.      CFStringRef UID = GetDeviceName(captureDeviceID[i]);

  1249.      if (UID) {

  1250.      CFMutableDictionaryRef subdeviceAggDeviceDict = CFDictionaryCreateMutable(NULL, 0, &kCFTypeDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks);

  1251.      CFDictionaryAddValue(subdeviceAggDeviceDict, CFSTR(kAudioSubDeviceUIDKey), UID);

  1252.      CFDictionaryAddValue(subdeviceAggDeviceDict, CFSTR(kAudioSubDeviceDriftCompensationKey), AggregateDeviceNumberRef);

  1253.      //CFRelease(UID);

  1254.      CFArrayAppendValue(subDevicesArrayClock, subdeviceAggDeviceDict);

  1255.      }

  1256.      }

  1257. 

  1258.      for (UInt32 i = 0; i < playbackDeviceID.size(); i++) {

  1259.      CFStringRef UID = GetDeviceName(playbackDeviceID[i]);

  1260.      if (UID) {

  1261.      CFMutableDictionaryRef subdeviceAggDeviceDict = CFDictionaryCreateMutable(NULL, 0, &kCFTypeDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks);

  1262.      CFDictionaryAddValue(subdeviceAggDeviceDict, CFSTR(kAudioSubDeviceUIDKey), UID);

  1263.      CFDictionaryAddValue(subdeviceAggDeviceDict, CFSTR(kAudioSubDeviceDriftCompensationKey), AggregateDeviceNumberRef);

  1264.      //CFRelease(UID);

  1265.      CFArrayAppendValue(subDevicesArrayClock, subdeviceAggDeviceDict);

  1266.      }

  1267.      }

  1268. 

  1269.      // add sub-device clock array for the aggregate device to the dictionary

  1270.      CFDictionaryAddValue(aggDeviceDict, CFSTR(kAudioAggregateDeviceSubDeviceListKey), subDevicesArrayClock);

  1271.      } else {

  1272.      jack_info("Clock drift compensation was asked but is not needed (devices use the same clock domain)");

  1273.      }

  1274.      }

  1275.      */

  1276. 

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

  1278.     // Create a CFMutableArray for our sub-device list

  1279.     //-------------------------------------------------

  1280. 

  1281.     // we need to append the UID for each device to a CFMutableArray, so create one here

  1282.     CFMutableArrayRef subDevicesArray = CFArrayCreateMutable(NULL, 0, &kCFTypeArrayCallBacks);

  1283. 

  1284.     vector<CFStringRef> captureDeviceUID;

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

  1286.         CFStringRef ref = GetDeviceName(captureDeviceID[i]);

  1287.         if (ref == NULL)

  1288.             return -1;

  1289.         captureDeviceUID.push_back(ref);

  1290.         // input sub-devices in this example, so append the sub-device's UID to the CFArray

  1291.         CFArrayAppendValue(subDevicesArray, ref);

  1292.     }

  1293. 

  1294.     vector<CFStringRef> playbackDeviceUID;

  1295.     for (UInt32 i = 0; i < playbackDeviceID.size(); i++) {

  1296.         CFStringRef ref = GetDeviceName(playbackDeviceID[i]);

  1297.         if (ref == NULL)

  1298.             return -1;

  1299.         playbackDeviceUID.push_back(ref);

  1300.         // output sub-devices in this example, so append the sub-device's UID to the CFArray

  1301.         CFArrayAppendValue(subDevicesArray, ref);

  1302.     }

  1303. 

  1304.     //-----------------------------------------------------------------------

  1305.     // Feed the dictionary to the plugin, to create a blank aggregate device

  1306.     //-----------------------------------------------------------------------

  1307. 

  1308.     AudioObjectPropertyAddress pluginAOPA;

  1309.     pluginAOPA.mSelector = kAudioPlugInCreateAggregateDevice;

  1310.     pluginAOPA.mScope = kAudioObjectPropertyScopeGlobal;

  1311.     pluginAOPA.mElement = kAudioObjectPropertyElementMaster;

  1312.     UInt32 outDataSize;

  1313. 

  1314.     osErr = AudioObjectGetPropertyDataSize(fPluginID, &pluginAOPA, 0, NULL, &outDataSize);

  1315.     if (osErr != noErr) {

  1316.         jack_error("JackCoreAudioAdapter::CreateAggregateDevice : AudioObjectGetPropertyDataSize error");

  1317.         printError(osErr);

  1318.         goto error;

  1319.     }

  1320. 

  1321.     osErr = AudioObjectGetPropertyData(fPluginID, &pluginAOPA, sizeof(aggDeviceDict), &aggDeviceDict, &outDataSize, outAggregateDevice);

  1322.     if (osErr != noErr) {

  1323.         jack_error("JackCoreAudioAdapter::CreateAggregateDevice : AudioObjectGetPropertyData error");

  1324.         printError(osErr);

  1325.         goto error;

  1326.     }

  1327. 

  1328.     // pause for a bit to make sure that everything completed correctly

  1329.     // this is to work around a bug in the HAL where a new aggregate device seems to disappear briefly after it is created

  1330.     CFRunLoopRunInMode(kCFRunLoopDefaultMode, 0.1, false);

  1331. 

  1332.     //-------------------------

  1333.     // Set the sub-device list

  1334.     //-------------------------

  1335. 

  1336.     pluginAOPA.mSelector = kAudioAggregateDevicePropertyFullSubDeviceList;

  1337.     pluginAOPA.mScope = kAudioObjectPropertyScopeGlobal;

  1338.     pluginAOPA.mElement = kAudioObjectPropertyElementMaster;

  1339.     outDataSize = sizeof(CFMutableArrayRef);

  1340.     osErr = AudioObjectSetPropertyData(*outAggregateDevice, &pluginAOPA, 0, NULL, outDataSize, &subDevicesArray);

  1341.     if (osErr != noErr) {

  1342.         jack_error("JackCoreAudioAdapter::CreateAggregateDevice : AudioObjectSetPropertyData for sub-device list error");

  1343.         printError(osErr);

  1344.         goto error;

  1345.     }

  1346. 

  1347.     // pause again to give the changes time to take effect

  1348.     CFRunLoopRunInMode(kCFRunLoopDefaultMode, 0.1, false);

  1349. 

  1350.     //-----------------------

  1351.     // Set the master device

  1352.     //-----------------------

  1353. 

  1354.     // set the master device manually (this is the device which will act as the master clock for the aggregate device)

  1355.     // pass in the UID of the device you want to use

  1356.     pluginAOPA.mSelector = kAudioAggregateDevicePropertyMasterSubDevice;

  1357.     pluginAOPA.mScope = kAudioObjectPropertyScopeGlobal;

  1358.     pluginAOPA.mElement = kAudioObjectPropertyElementMaster;

  1359.     outDataSize = sizeof(CFStringRef);

  1360.     osErr = AudioObjectSetPropertyData(*outAggregateDevice, &pluginAOPA, 0, NULL, outDataSize, &captureDeviceUID[0]);  // First apture is master...

  1361.     if (osErr != noErr) {

  1362.         jack_error("JackCoreAudioAdapter::CreateAggregateDevice : AudioObjectSetPropertyData for master device error");

  1363.         printError(osErr);

  1364.         goto error;

  1365.     }

  1366. 

  1367.     // pause again to give the changes time to take effect

  1368.     CFRunLoopRunInMode(kCFRunLoopDefaultMode, 0.1, false);

  1369. 

  1370.     // Prepare sub-devices for clock drift compensation

  1371.     // Workaround for bug in the HAL : until 10.6.2

  1372. 

  1373.     if (fClockDriftCompensate) {

  1374.         if (need_clock_drift_compensation) {

  1375.             jack_info("Clock drift compensation activated...");

  1376. 

  1377.             // Get the property data size

  1378.             osErr = AudioObjectGetPropertyDataSize(*outAggregateDevice, &theAddressOwned, theQualifierDataSize, theQualifierData, &outSize);

  1379.             if (osErr != noErr) {

  1380.                 jack_error("JackCoreAudioAdapter::CreateAggregateDevice kAudioObjectPropertyOwnedObjects error");

  1381.                 printError(osErr);

  1382.             }

  1383. 

  1384.             //	Calculate the number of object IDs

  1385.             subDevicesNum = outSize / sizeof(AudioObjectID);

  1386.             jack_info("JackCoreAudioAdapter::CreateAggregateDevice clock drift compensation, number of sub-devices = %d", subDevicesNum);

  1387.             AudioObjectID subDevices[subDevicesNum];

  1388.             outSize = sizeof(subDevices);

  1389. 

  1390.             osErr = AudioObjectGetPropertyData(*outAggregateDevice, &theAddressOwned, theQualifierDataSize, theQualifierData, &outSize, subDevices);

  1391.             if (osErr != noErr) {

  1392.                 jack_error("JackCoreAudioAdapter::CreateAggregateDevice kAudioObjectPropertyOwnedObjects error");

  1393.                 printError(osErr);

  1394.             }

  1395. 

  1396.             // Set kAudioSubDevicePropertyDriftCompensation property...

  1397.             for (UInt32 index = 0; index < subDevicesNum; ++index) {

  1398.                 UInt32 theDriftCompensationValue = 1;

  1399.                 osErr = AudioObjectSetPropertyData(subDevices[index], &theAddressDrift, 0, NULL, sizeof(UInt32), &theDriftCompensationValue);

  1400.                 if (osErr != noErr) {

  1401.                     jack_error("JackCoreAudioAdapter::CreateAggregateDevice kAudioSubDevicePropertyDriftCompensation error");

  1402.                     printError(osErr);

  1403.                 }

  1404.             }

  1405.         } else {

  1406.             jack_info("Clock drift compensation was asked but is not needed (devices use the same clock domain)");

  1407.         }

  1408.     }

  1409. 

  1410.     // pause again to give the changes time to take effect

  1411.     CFRunLoopRunInMode(kCFRunLoopDefaultMode, 0.1, false);

  1412. 

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

  1414.     // Clean up

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

  1416. 

  1417.     // release the private AD key

  1418.     CFRelease(AggregateDeviceNumberRef);

  1419. 

  1420.     // release the CF objects we have created - we don't need them any more

  1421.     CFRelease(aggDeviceDict);

  1422.     CFRelease(subDevicesArray);

  1423. 

  1424.     if (subDevicesArrayClock)

  1425.         CFRelease(subDevicesArrayClock);

  1426. 

  1427.     // release the device UID

  1428.     for (UInt32 i = 0; i < captureDeviceUID.size(); i++) {

  1429.         CFRelease(captureDeviceUID[i]);

  1430.     }

  1431. 

  1432.     for (UInt32 i = 0; i < playbackDeviceUID.size(); i++) {

  1433.         CFRelease(playbackDeviceUID[i]);

  1434.     }

  1435. 

  1436.     jack_log("New aggregate device %ld", *outAggregateDevice);

  1437.     return noErr;

  1438. 

  1439. error:

  1440.     DestroyAggregateDevice();

  1441.     return -1;

  1442. }

  1443. 

  1444. 

  1445. bool JackCoreAudioAdapter::IsAggregateDevice(AudioDeviceID device)

  1446. {

  1447.     OSStatus err = noErr;

  1448.     AudioObjectID sub_device[32];

  1449.     UInt32 outSize = sizeof(sub_device);

  1450.     err = AudioDeviceGetProperty(device, 0, kAudioDeviceSectionGlobal, kAudioAggregateDevicePropertyActiveSubDeviceList, &outSize, sub_device);

  1451. 

  1452.     if (err != noErr) {

  1453.         jack_log("Device does not have subdevices");

  1454.         return false;

  1455.     } else {

  1456.         int num_devices = outSize / sizeof(AudioObjectID);

  1457.         jack_log("Device does has %d subdevices", num_devices);

  1458.         return true;

  1459.     }

  1460. }

  1461. 

  1462. void JackCoreAudioAdapter::CloseAUHAL()

  1463. {

  1464.     AudioUnitUninitialize(fAUHAL);

  1465.     CloseComponent(fAUHAL);

  1466. }

  1467. 

  1468. int JackCoreAudioAdapter::Open()

  1469. {

  1470.     return (AudioOutputUnitStart(fAUHAL) != noErr)  ? -1 : 0;

  1471. }

  1472. 

  1473. int JackCoreAudioAdapter::Close()

  1474. {

  1475. #ifdef JACK_MONITOR

  1476.     fTable.Save(fHostBufferSize, fHostSampleRate, fAdaptedSampleRate, fAdaptedBufferSize);

  1477. #endif

  1478.     AudioOutputUnitStop(fAUHAL);

  1479.     DisposeBuffers();

  1480.     CloseAUHAL();

  1481.     RemoveListeners();

  1482.     if (fPluginID > 0)

  1483.         DestroyAggregateDevice();

  1484.     return 0;

  1485. }

  1486. 

  1487. int JackCoreAudioAdapter::SetSampleRate ( jack_nframes_t sample_rate ) {

  1488.     JackAudioAdapterInterface::SetHostSampleRate ( sample_rate );

  1489.     Close();

  1490.     return Open();

  1491. }

  1492. 

  1493. int JackCoreAudioAdapter::SetBufferSize ( jack_nframes_t buffer_size ) {

  1494.     JackAudioAdapterInterface::SetHostBufferSize ( buffer_size );

  1495.     Close();

  1496.     return Open();

  1497. }

  1498. 

  1499. } // namespace

  1500. 

  1501. #ifdef __cplusplus

  1502. extern "C"

  1503. {

  1504. #endif

  1505. 

  1506.    SERVER_EXPORT jack_driver_desc_t* jack_get_descriptor()

  1507.    {

  1508.         jack_driver_desc_t * desc;

  1509.         jack_driver_desc_filler_t filler;

  1510.         jack_driver_param_value_t value;

  1511. 

  1512.         desc = jack_driver_descriptor_construct("audioadapter", JackDriverNone, "netjack audio <==> net backend adapter", &filler);

  1513. 

  1514.         value.i = -1;

  1515.         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");

  1516.         jack_driver_descriptor_add_parameter(desc, &filler, "inchannels", '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");

  1517.         jack_driver_descriptor_add_parameter(desc, &filler, "outchannels", '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");

  1518. 

  1519.         value.str[0] = 0;

  1520.         jack_driver_descriptor_add_parameter(desc, &filler, "capture", 'C', JackDriverParamString, &value, NULL, "Input CoreAudio device name", NULL);

  1521.         jack_driver_descriptor_add_parameter(desc, &filler, "playback", 'P', JackDriverParamString, &value, NULL, "Output CoreAudio device name", NULL);

  1522. 

  1523.         value.ui = 44100U;

  1524.         jack_driver_descriptor_add_parameter(desc, &filler, "rate", 'r', JackDriverParamUInt, &value, NULL, "Sample rate", NULL);

  1525. 

  1526.         value.ui = 512U;

  1527.         jack_driver_descriptor_add_parameter(desc, &filler, "period", 'p', JackDriverParamUInt, &value, NULL, "Frames per period", NULL);

  1528. 

  1529.         value.i = TRUE;

  1530.         jack_driver_descriptor_add_parameter(desc, &filler, "duplex", 'D', JackDriverParamBool, &value, NULL, "Provide both capture and playback ports", NULL);

  1531. 

  1532.         value.str[0] = 0;

  1533.         jack_driver_descriptor_add_parameter(desc, &filler, "device", 'd', JackDriverParamString, &value, NULL, "CoreAudio device name", NULL);

  1534. 

  1535.         value.i = TRUE;

  1536.         jack_driver_descriptor_add_parameter(desc, &filler, "list-devices", 'l', JackDriverParamBool, &value, NULL, "Display available CoreAudio devices", NULL);

  1537. 

  1538.         value.ui = 0;

  1539.         jack_driver_descriptor_add_parameter(desc, &filler, "quality", 'q', JackDriverParamInt, &value, NULL, "Resample algorithm quality (0 - 4)", NULL);

  1540. 

  1541.         value.ui = 32768;

  1542.         jack_driver_descriptor_add_parameter(desc, &filler, "ring-buffer", 'g', JackDriverParamInt, &value, NULL, "Fixed ringbuffer size", "Fixed ringbuffer size (if not set => automatic adaptative)");

  1543. 

  1544.         value.i = FALSE;

  1545.         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");

  1546. 

  1547.         return desc;

  1548.     }

  1549. 

  1550. 

  1551. #ifdef __cplusplus

  1552. }

  1553. #endif