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jack2/macosx/coreaudio/JackCoreAudioDriver.cpp

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  1. /*

  2. Copyright (C) 2004-2008 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 "JackCoreAudioDriver.h"

  21. #include "JackEngineControl.h"

  22. #include "JackMachThread.h"

  23. #include "JackGraphManager.h"

  24. #include "JackError.h"

  25. #include "JackClientControl.h"

  26. #include "JackDriverLoader.h"

  27. #include "JackGlobals.h"

  28. #include "JackCompilerDeps.h"

  29. 

  30. #include <iostream>

  31. #include <CoreServices/CoreServices.h>

  32. 

  33. namespace Jack

  34. {

  35. 

  36. static void Print4CharCode(char* msg, long c)

  37. {

  38.     UInt32 __4CC_number = (c);

  39.     char __4CC_string[5];

  40.     *((SInt32*)__4CC_string) = EndianU32_NtoB(__4CC_number);		

  41.     __4CC_string[4] = 0;

  42.     jack_log("%s'%s'", (msg), __4CC_string);

  43. }

  44. 

  45. static void printError(OSStatus err)

  46. {

  47.     switch (err) {

  48.         case kAudioHardwareNoError:

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

  50.             break;

  51.         case kAudioConverterErr_FormatNotSupported:

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

  53.             break;

  54.         case kAudioConverterErr_OperationNotSupported:

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

  56.             break;

  57.         case kAudioConverterErr_PropertyNotSupported:

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

  59.             break;

  60.         case kAudioConverterErr_InvalidInputSize:

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

  62.             break;

  63.         case kAudioConverterErr_InvalidOutputSize:

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

  65.             break;

  66.         case kAudioConverterErr_UnspecifiedError:

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

  68.             break;

  69.         case kAudioConverterErr_BadPropertySizeError:

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

  71.             break;

  72.         case kAudioConverterErr_RequiresPacketDescriptionsError:

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

  74.             break;

  75.         case kAudioConverterErr_InputSampleRateOutOfRange:

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

  77.             break;

  78.         case kAudioConverterErr_OutputSampleRateOutOfRange:

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

  80.             break;

  81.         case kAudioHardwareNotRunningError:

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

  83.             break;

  84.         case kAudioHardwareUnknownPropertyError:

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

  86.             break;

  87.         case kAudioHardwareIllegalOperationError:

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

  89.             break;

  90.         case kAudioHardwareBadDeviceError:

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

  92.             break;

  93.         case kAudioHardwareBadStreamError:

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

  95.             break;

  96.         case kAudioDeviceUnsupportedFormatError:

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

  98.             break;

  99.         case kAudioDevicePermissionsError:

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

  101.             break;

  102.         case kAudioHardwareBadObjectError:

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

  104.             break;

  105.         case kAudioHardwareUnsupportedOperationError:

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

  107.             break;

  108.         default:

  109.             Print4CharCode("error code : unknown", err);

  110.             break;

  111.     }

  112. }

  113. 

  114. static OSStatus DisplayDeviceNames()

  115. {

  116.     UInt32 size;

  117.     Boolean isWritable;

  118.     int i, deviceNum;

  119.     OSStatus err;

  120.     CFStringRef UIname;

  121. 

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

  123.     if (err != noErr)

  124.         return err;

  125. 

  126.     deviceNum = size / sizeof(AudioDeviceID);

  127.     AudioDeviceID devices[deviceNum];

  128. 

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

  130.     if (err != noErr)

  131.         return err;

  132. 

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

  134.         char device_name[256];

  135.         char internal_name[256];

  136. 

  137.         size = sizeof(CFStringRef);

  138.         UIname = NULL;

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

  140.         if (err == noErr) {

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

  142.         } else {

  143.             goto error;

  144.         }

  145. 

  146.         size = 256;

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

  148.         if (err != noErr)

  149.             return err;

  150. 

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

  152.     }

  153. 

  154.     return noErr;

  155. 

  156. error:

  157.     if (UIname != NULL)

  158.         CFRelease(UIname);

  159.     return err;

  160. }

  161. 

  162. static CFStringRef GetDeviceName(AudioDeviceID id)

  163. {

  164.     UInt32 size = sizeof(CFStringRef);

  165.     CFStringRef UIname;

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

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

  168. }

  169. 

  170. OSStatus JackCoreAudioDriver::Render(void *inRefCon,

  171.                                      AudioUnitRenderActionFlags *ioActionFlags,

  172.                                      const AudioTimeStamp *inTimeStamp,

  173.                                      UInt32 inBusNumber,

  174.                                      UInt32 inNumberFrames,

  175.                                      AudioBufferList *ioData)

  176. {

  177.     JackCoreAudioDriver* driver = (JackCoreAudioDriver*)inRefCon;

  178.     driver->fActionFags = ioActionFlags;

  179.     driver->fCurrentTime = (AudioTimeStamp *)inTimeStamp;

  180.     driver->fDriverOutputData = ioData;

  181.     driver->CycleTakeBeginTime();

  182.     return driver->Process();

  183. }

  184. 

  185. int JackCoreAudioDriver::Read()

  186. {

  187.     AudioUnitRender(fAUHAL, fActionFags, fCurrentTime, 1, fEngineControl->fBufferSize, fJackInputData);

  188.     return 0;

  189. }

  190. 

  191. int JackCoreAudioDriver::Write()

  192. {

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

  194.         if (fGraphManager->GetConnectionsNum(fPlaybackPortList[i]) > 0) {

  195.             float* buffer = GetOutputBuffer(i);

  196.             int size = sizeof(float) * fEngineControl->fBufferSize;

  197.             memcpy((float*)fDriverOutputData->mBuffers[i].mData, buffer, size);

  198.             // Monitor ports

  199.             if (fWithMonitorPorts && fGraphManager->GetConnectionsNum(fMonitorPortList[i]) > 0)

  200.                 memcpy(GetMonitorBuffer(i), buffer, size);

  201.         } else {

  202.             memset((float*)fDriverOutputData->mBuffers[i].mData, 0, sizeof(float) * fEngineControl->fBufferSize);

  203.         }

  204.     }

  205.     return 0;

  206. }

  207. 

  208. // Will run only once

  209. OSStatus JackCoreAudioDriver::MeasureCallback(AudioDeviceID inDevice,

  210.         const AudioTimeStamp* inNow,

  211.         const AudioBufferList* inInputData,

  212.         const AudioTimeStamp* inInputTime,

  213.         AudioBufferList* outOutputData,

  214.         const AudioTimeStamp* inOutputTime,

  215.         void* inClientData)

  216. {

  217.     JackCoreAudioDriver* driver = (JackCoreAudioDriver*)inClientData;

  218.     AudioDeviceStop(driver->fDeviceID, MeasureCallback);

  219.     

  220.     jack_log("JackCoreAudioDriver::MeasureCallback called");

  221.     JackMachThread::GetParams(&driver->fEngineControl->fPeriod, &driver->fEngineControl->fComputation, &driver->fEngineControl->fConstraint);

  222.     

  223.     // Setup threadded based log function

  224.     set_threaded_log_function();

  225.     return noErr;

  226. }

  227. 

  228. OSStatus JackCoreAudioDriver::SRNotificationCallback(AudioDeviceID inDevice,

  229.         UInt32 inChannel,

  230.         Boolean	isInput,

  231.         AudioDevicePropertyID inPropertyID,

  232.         void* inClientData)

  233. {

  234.     JackCoreAudioDriver* driver = (JackCoreAudioDriver*)inClientData;

  235. 

  236.     switch (inPropertyID) {

  237. 

  238.         case kAudioDevicePropertyNominalSampleRate: {

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

  240.             driver->fState = true;

  241.             break;

  242.         }

  243.     }

  244. 

  245.     return noErr;

  246. }

  247. 

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

  249. 

  250. OSStatus JackCoreAudioDriver::DeviceNotificationCallback(AudioDeviceID inDevice,

  251.         UInt32 inChannel,

  252.         Boolean	isInput,

  253.         AudioDevicePropertyID inPropertyID,

  254.         void* inClientData)

  255. {

  256.     JackCoreAudioDriver* driver = (JackCoreAudioDriver*)inClientData;

  257.          

  258.     switch (inPropertyID) {

  259. 

  260.         case kAudioDeviceProcessorOverload: {

  261.             jack_error("JackCoreAudioDriver::DeviceNotificationCallback kAudioDeviceProcessorOverload");

  262.             jack_time_t cur_time = GetMicroSeconds();

  263.             driver->NotifyXRun(cur_time, float(cur_time - driver->fBeginDateUst));   // Better this value than nothing... 

  264.             break;

  265. 		}

  266. 

  267.         case kAudioDevicePropertyStreamConfiguration: {

  268.             jack_error("Cannot handle kAudioDevicePropertyStreamConfiguration : server may not work correctly anymore...");

  269.             return kAudioHardwareUnsupportedOperationError;

  270. 		}

  271.             

  272. 		case kAudioDevicePropertyNominalSampleRate: {

  273.             jack_error("Cannot handle kAudioDevicePropertyNominalSampleRate : server may not work correctly anymore...");

  274.             return kAudioHardwareUnsupportedOperationError;

  275. 		}

  276.           

  277.         /*

  278.         case kAudioDevicePropertyNominalSampleRate: {

  279. 

  280.             UInt32 outSize = sizeof(Float64);

  281.             Float64 sampleRate;

  282.             int in_nChannels = 0;

  283.             int out_nChannels = 0;

  284.             char capture_driver_name[256];

  285.             char playback_driver_name[256];

  286.             CFStringRef ref;

  287.      

  288.             // Stop and restart

  289.             driver->Stop();

  290.             driver->RemoveListeners();

  291.             driver->CloseAUHAL();

  292. 

  293.             OSStatus err = AudioDeviceGetProperty(driver->fDeviceID, 0, kAudioDeviceSectionGlobal, kAudioDevicePropertyNominalSampleRate, &outSize, &sampleRate);

  294.             if (err != noErr) {

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

  296.                 printError(err);

  297.             }

  298.             jack_log("JackCoreAudioDriver::DeviceNotificationCallback kAudioDevicePropertyNominalSampleRate %ld", long(sampleRate));

  299. 

  300.             if (driver->SetupDevices(driver->fCaptureUID, driver->fPlaybackUID, capture_driver_name, playback_driver_name) < 0)

  301.                 return -1;

  302. 

  303.             if (driver->SetupChannels(driver->fCapturing, driver->fPlaying, driver->fInChannels, driver->fOutChannels, in_nChannels, out_nChannels, false) < 0)

  304.                 return -1;

  305. 

  306.             if (driver->SetupBufferSizeAndSampleRate(driver->fEngineControl->fBufferSize, sampleRate)  < 0)

  307.                 return -1;

  308. 

  309.             if (driver->OpenAUHAL(driver->fCapturing,

  310.                                   driver->fPlaying,

  311.                                   driver->fInChannels,

  312.                                   driver->fOutChannels,

  313.                                   in_nChannels,

  314.                                   out_nChannels,

  315.                                   driver->fEngineControl->fBufferSize,

  316.                                   sampleRate,

  317.                                   false) < 0)

  318.                 goto error;

  319. 

  320.             if (driver->AddListeners() < 0)

  321.                 goto error;

  322. 

  323.             driver->Start();

  324. 

  325.             // Send notification to be used in JackPilot or JackRouter plugin

  326.             jack_error("Device restart...");

  327.             ref = CFStringCreateWithCString(NULL, driver->fEngineControl->fServerName, kCFStringEncodingMacRoman);

  328.             CFNotificationCenterPostNotificationWithOptions(CFNotificationCenterGetDistributedCenter(),

  329.                     CFSTR("com.grame.jackserver.restart"),

  330.                     ref,

  331.                     NULL,

  332.                     kCFNotificationDeliverImmediately | kCFNotificationPostToAllSessions);

  333.             CFRelease(ref);

  334.             return noErr;

  335. error:

  336.             driver->CloseAUHAL();

  337.             break;

  338.         }

  339.         */

  340.     }

  341.     return noErr;

  342. }

  343. 

  344. OSStatus JackCoreAudioDriver::GetDeviceIDFromUID(const char* UID, AudioDeviceID* id)

  345. {

  346.     UInt32 size = sizeof(AudioValueTranslation);

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

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

  349. 

  350.     if (inIUD == NULL) {

  351.         return kAudioHardwareUnspecifiedError;

  352.     } else {

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

  354.         CFRelease(inIUD);

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

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

  357.     }

  358. }

  359. 

  360. OSStatus JackCoreAudioDriver::GetDefaultDevice(AudioDeviceID* id)

  361. {

  362.     OSStatus res;

  363.     UInt32 theSize = sizeof(UInt32);

  364.     AudioDeviceID inDefault;

  365.     AudioDeviceID outDefault;

  366. 

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

  368.         return res;

  369. 

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

  371.         return res;

  372. 

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

  374. 

  375.     // Get the device only if default input and ouput are the same

  376.     if (inDefault == outDefault) {

  377.         *id = inDefault;

  378.         return noErr;

  379.     } else {

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

  381.         return kAudioHardwareBadDeviceError;

  382.     }

  383. }

  384. 

  385. OSStatus JackCoreAudioDriver::GetDefaultInputDevice(AudioDeviceID* id)

  386. {

  387.     OSStatus res;

  388.     UInt32 theSize = sizeof(UInt32);

  389.     AudioDeviceID inDefault;

  390. 

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

  392.         return res;

  393. 

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

  395.     *id = inDefault;

  396.     return noErr;

  397. }

  398. 

  399. OSStatus JackCoreAudioDriver::GetDefaultOutputDevice(AudioDeviceID* id)

  400. {

  401.     OSStatus res;

  402.     UInt32 theSize = sizeof(UInt32);

  403.     AudioDeviceID outDefault;

  404. 

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

  406.         return res;

  407. 

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

  409.     *id = outDefault;

  410.     return noErr;

  411. }

  412. 

  413. OSStatus JackCoreAudioDriver::GetDeviceNameFromID(AudioDeviceID id, char* name)

  414. {

  415.     UInt32 size = 256;

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

  417. }

  418. 

  419. OSStatus JackCoreAudioDriver::GetTotalChannels(AudioDeviceID device, int& channelCount, bool isInput)

  420. {

  421.     OSStatus err = noErr;

  422.     UInt32	outSize;

  423.     Boolean	outWritable;

  424.     AudioBufferList* bufferList = 0;

  425. 

  426.     channelCount = 0;

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

  428.     if (err == noErr) {

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

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

  431.         if (err == noErr) {

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

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

  434.         }

  435. 

  436.         if (bufferList)

  437.             free(bufferList);

  438.     }

  439. 

  440.     return err;

  441. }

  442. 

  443. JackCoreAudioDriver::JackCoreAudioDriver(const char* name, const char* alias, JackLockedEngine* engine, JackSynchro* table)

  444.         : JackAudioDriver(name, alias, engine, table), fJackInputData(NULL), fDriverOutputData(NULL), fState(false), fIOUsage(1.f)

  445. {}

  446. 

  447. JackCoreAudioDriver::~JackCoreAudioDriver()

  448. {}

  449. 

  450. OSStatus JackCoreAudioDriver::CreateAggregateDevice(AudioDeviceID captureDeviceID, AudioDeviceID playbackDeviceID, AudioDeviceID* outAggregateDevice) 

  451. {

  452.     OSStatus osErr = noErr;

  453.     UInt32 outSize;

  454.     Boolean outWritable;

  455. 

  456.     //-----------------------

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

  458.     //-----------------------

  459. 

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

  461.     if (osErr != noErr) 

  462.         return osErr;

  463. 

  464.     AudioValueTranslation pluginAVT;

  465. 

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

  467.     AudioObjectID pluginID;

  468. 

  469.     pluginAVT.mInputData = &inBundleRef;

  470.     pluginAVT.mInputDataSize = sizeof(inBundleRef);

  471.     pluginAVT.mOutputData = &pluginID;

  472.     pluginAVT.mOutputDataSize = sizeof(pluginID);

  473. 

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

  475.     if (osErr != noErr) 

  476.         return osErr;

  477. 

  478.     //-----------------------

  479.     // Create a CFDictionary for our aggregate device

  480.     //-----------------------

  481. 

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

  483. 

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

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

  486. 

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

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

  489. 

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

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

  492. 

  493.     //-------------------------------------------------

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

  495.     //-------------------------------------------------

  496.     

  497.     CFStringRef captureDeviceUID = GetDeviceName(captureDeviceID);

  498.     CFStringRef playbackDeviceUID = GetDeviceName(playbackDeviceID);

  499.     

  500.     if (captureDeviceUID == NULL || playbackDeviceUID == NULL)

  501.         return -1;

  502.   

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

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

  505. 

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

  507.     CFArrayAppendValue(subDevicesArray, captureDeviceUID);

  508.     CFArrayAppendValue(subDevicesArray, playbackDeviceUID);

  509. 

  510.     //-----------------------------------------------------------------------

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

  512.     //-----------------------------------------------------------------------

  513.  

  514.     AudioObjectPropertyAddress pluginAOPA;

  515.     pluginAOPA.mSelector = kAudioPlugInCreateAggregateDevice;

  516.     pluginAOPA.mScope = kAudioObjectPropertyScopeGlobal;

  517.     pluginAOPA.mElement = kAudioObjectPropertyElementMaster;

  518.     UInt32 outDataSize;

  519. 

  520.     osErr = AudioObjectGetPropertyDataSize(pluginID, &pluginAOPA, 0, NULL, &outDataSize);

  521.     if (osErr != noErr) 

  522.         return osErr;

  523. 

  524.     osErr = AudioObjectGetPropertyData(pluginID, &pluginAOPA, sizeof(aggDeviceDict), &aggDeviceDict, &outDataSize, outAggregateDevice);

  525.     if (osErr != noErr) 

  526.         return osErr;

  527. 

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

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

  530.     CFRunLoopRunInMode(kCFRunLoopDefaultMode, 0.1, false);

  531. 

  532.     //-------------------------

  533.     // Set the sub-device list

  534.     //-------------------------

  535. 

  536.     pluginAOPA.mSelector = kAudioAggregateDevicePropertyFullSubDeviceList;

  537.     pluginAOPA.mScope = kAudioObjectPropertyScopeGlobal;

  538.     pluginAOPA.mElement = kAudioObjectPropertyElementMaster;

  539.     outDataSize = sizeof(CFMutableArrayRef);

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

  541.     if (osErr != noErr)

  542.         return osErr;

  543. 

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

  545.     CFRunLoopRunInMode(kCFRunLoopDefaultMode, 0.1, false);

  546. 

  547.     //-----------------------

  548.     // Set the master device

  549.     //-----------------------

  550. 

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

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

  553.     pluginAOPA.mSelector = kAudioAggregateDevicePropertyMasterSubDevice;

  554.     pluginAOPA.mScope = kAudioObjectPropertyScopeGlobal;

  555.     pluginAOPA.mElement = kAudioObjectPropertyElementMaster;

  556.     outDataSize = sizeof(CFStringRef);

  557.     osErr = AudioObjectSetPropertyData(*outAggregateDevice, &pluginAOPA, 0, NULL, outDataSize, &captureDeviceUID);  // capture is master...

  558.     if (osErr != noErr) 

  559.         return osErr;

  560. 

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

  562.     CFRunLoopRunInMode(kCFRunLoopDefaultMode, 0.1, false);

  563. 

  564.     //----------

  565.     // Clean up

  566.     //----------

  567. 

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

  569.     CFRelease(aggDeviceDict);

  570.     CFRelease(subDevicesArray);

  571. 

  572.     // release the device UID

  573.     CFRelease(captureDeviceUID);

  574.     CFRelease(playbackDeviceUID);

  575.     

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

  577.     return noErr;

  578. }

  579. 

  580. int JackCoreAudioDriver::SetupDevices(const char* capture_driver_uid, const char* playback_driver_uid, char* capture_driver_name, char* playback_driver_name)

  581. {

  582.     capture_driver_name[0] = 0;

  583.     playback_driver_name[0] = 0;

  584. 

  585.     // Duplex

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

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

  588.         

  589.         /*

  590.         AudioDeviceID captureID, playbackID;

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

  592.             return -1;

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

  594.             return -1;

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

  596.             return -1;

  597.         */

  598.         

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

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

  601.             

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

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

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

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

  606.                     return -1;

  607.                 }

  608.             }

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

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

  611.                 return -1;

  612.             }

  613.             

  614.         } else {

  615.         

  616.             // Creates agregate device

  617.             AudioDeviceID captureID, playbackID;

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

  619.                 return -1;

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

  621.                 return -1;

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

  623.                 return -1;

  624.         }

  625. 

  626.         // Capture only

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

  628.         jack_log("JackCoreAudioDriver::Open capture only");

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

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

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

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

  633.                 return -1;

  634.             }

  635.         }

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

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

  638.             return -1;

  639.         }

  640. 

  641.         // Playback only

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

  643.         jack_log("JackCoreAudioDriver::Open playback only");

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

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

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

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

  648.                 return -1;

  649.             }

  650.         }

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

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

  653.             return -1;

  654.         }

  655. 

  656.         // Use default driver in duplex mode

  657.     } else {

  658.         jack_log("JackCoreAudioDriver::Open default driver");

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

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

  661.             return -1;

  662.         }

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

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

  665.             return -1;

  666.         }

  667.     }

  668. 

  669.     return 0;

  670. }

  671. 

  672. /*

  673. Return the max possible input channels in in_nChannels and output channels in out_nChannels.

  674. */

  675. int JackCoreAudioDriver::SetupChannels(bool capturing, bool playing, int& inchannels, int& outchannels, int& in_nChannels, int& out_nChannels, bool strict)

  676. {

  677.     OSStatus err = noErr;

  678. 

  679.     if (capturing) {

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

  681.         if (err != noErr) {

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

  683.             printError(err);

  684.             return -1;

  685.         } else {

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

  687.         }

  688.     }

  689. 

  690.     if (playing) {

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

  692.         if (err != noErr) {

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

  694.             printError(err);

  695.             return -1;

  696.         } else {

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

  698.         }

  699.     }

  700. 

  701.     if (inchannels > in_nChannels) {

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

  703.         if (strict)

  704.             return -1;

  705.     }

  706. 

  707.     if (outchannels > out_nChannels) {

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

  709.         if (strict)

  710.             return -1;

  711.     }

  712. 

  713.     if (inchannels == 0) {

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

  715.         inchannels = in_nChannels;

  716.     }

  717. 

  718.     if (outchannels == 0) {

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

  720.         outchannels = out_nChannels;

  721.     }

  722. 

  723.     return 0;

  724. }

  725. 

  726. int JackCoreAudioDriver::SetupBufferSizeAndSampleRate(jack_nframes_t buffer_size, jack_nframes_t samplerate)

  727. {

  728.     OSStatus err = noErr;

  729.     UInt32 outSize;

  730.     Float64 sampleRate;

  731. 

  732.     // Setting buffer size

  733.     outSize = sizeof(UInt32);

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

  735.     if (err != noErr) {

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

  737.         printError(err);

  738.         return -1;

  739.     }

  740. 

  741.     // Get sample rate

  742.     outSize =  sizeof(Float64);

  743.     err = AudioDeviceGetProperty(fDeviceID, 0, kAudioDeviceSectionGlobal, kAudioDevicePropertyNominalSampleRate, &outSize, &sampleRate);

  744.     if (err != noErr) {

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

  746.         printError(err);

  747.         return -1;

  748.     }

  749. 

  750.     // If needed, set new sample rate

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

  752.         sampleRate = (Float64)samplerate;

  753. 

  754.         // To get SR change notification

  755.         err = AudioDeviceAddPropertyListener(fDeviceID, 0, true, kAudioDevicePropertyNominalSampleRate, SRNotificationCallback, this);

  756.         if (err != noErr) {

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

  758.             printError(err);

  759.             return -1;

  760.         }

  761.         err = AudioDeviceSetProperty(fDeviceID, NULL, 0, kAudioDeviceSectionGlobal, kAudioDevicePropertyNominalSampleRate, outSize, &sampleRate);

  762.         if (err != noErr) {

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

  764.             printError(err);

  765.             return -1;

  766.         }

  767. 

  768.         // Waiting for SR change notification

  769.         int count = 0;

  770.         while (!fState && count++ < 100) {

  771.             usleep(100000);

  772.             jack_log("Wait count = %ld", count);

  773.         }

  774. 

  775.         // Remove SR change notification

  776.         AudioDeviceRemovePropertyListener(fDeviceID, 0, true, kAudioDevicePropertyNominalSampleRate, SRNotificationCallback);

  777.     }

  778. 

  779.     return 0;

  780. }

  781. 

  782. int JackCoreAudioDriver::OpenAUHAL(bool capturing,

  783.                                    bool playing,

  784.                                    int inchannels,

  785.                                    int outchannels,

  786.                                    int in_nChannels,

  787.                                    int out_nChannels,

  788.                                    jack_nframes_t buffer_size,

  789.                                    jack_nframes_t samplerate,

  790.                                    bool strict)

  791. {

  792.     ComponentResult err1;

  793.     UInt32 enableIO;

  794.     AudioStreamBasicDescription srcFormat, dstFormat;

  795. 

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

  797. 

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

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

  800.         return -1;

  801.     }

  802.          

  803.     // AUHAL

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

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

  806. 

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

  808.     if (err1 != noErr) {

  809.         jack_error("Error calling OpenAComponent");

  810.         printError(err1);

  811.         return -1;

  812.     }

  813. 

  814.     err1 = AudioUnitInitialize(fAUHAL);

  815.     if (err1 != noErr) {

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

  817.         printError(err1);

  818.         return -1;

  819.     }

  820. 

  821.     // Start I/O

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

  823.         enableIO = 1;

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

  825.     } else {

  826.         enableIO = 0;

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

  828.     }

  829.     

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

  831.     if (err1 != noErr) {

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

  833.         printError(err1);

  834.         if (strict)

  835.             return -1;

  836.     }

  837. 

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

  839.         enableIO = 1;

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

  841.     } else {

  842.         enableIO = 0;

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

  844.     }

  845.     

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

  847.     if (err1 != noErr) {

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

  849.         printError(err1);

  850.         if (strict)

  851.             return -1;

  852.     }

  853.     

  854.     AudioDeviceID currAudioDeviceID;

  855.     UInt32 size = sizeof(AudioDeviceID);

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

  857.     if (err1 != noErr) {

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

  859.         printError(err1);

  860.         if (strict)

  861.             return -1;

  862.     } else {

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

  864.     }

  865. 

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

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

  868.     if (err1 != noErr) {

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

  870.         printError(err1);

  871.         if (strict)

  872.             return -1;

  873.     }

  874.     

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

  876.     if (err1 != noErr) {

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

  878.         printError(err1);

  879.         if (strict)

  880.             return -1;

  881.     } else {

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

  883.     }

  884. 

  885.     // Set buffer size

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

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

  888.         if (err1 != noErr) {

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

  890.             printError(err1);

  891.             if (strict)

  892.                 return -1;

  893.         }

  894.     }

  895. 

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

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

  898.         if (err1 != noErr) {

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

  900.             printError(err1);

  901.             if (strict)

  902.                 return -1;

  903.         }

  904.     }

  905. 

  906.     // Setup channel map

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

  908.         SInt32 chanArr[in_nChannels];

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

  910.             chanArr[i] = -1;

  911.         }

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

  913.             chanArr[i] = i;

  914.         }

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

  916.         if (err1 != noErr) {

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

  918.             printError(err1);

  919.         }

  920.     }

  921. 

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

  923.         SInt32 chanArr[out_nChannels];

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

  925.             chanArr[i] = -1;

  926.         }

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

  928.             chanArr[i] = i;

  929.         }

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

  931.         if (err1 != noErr) {

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

  933.             printError(err1);

  934.         }

  935.     }

  936. 

  937.     // Setup stream converters

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

  939.     srcFormat.mSampleRate = samplerate;

  940.     srcFormat.mFormatID = kAudioFormatLinearPCM;

  941.     srcFormat.mFormatFlags = kAudioFormatFlagsNativeFloatPacked | kLinearPCMFormatFlagIsNonInterleaved;

  942.     srcFormat.mBytesPerPacket = sizeof(float);

  943.     srcFormat.mFramesPerPacket = 1;

  944.     srcFormat.mBytesPerFrame = sizeof(float);

  945.     srcFormat.mChannelsPerFrame = outchannels;

  946.     srcFormat.mBitsPerChannel = 32;

  947. 

  948.     err1 = AudioUnitSetProperty(fAUHAL, kAudioUnitProperty_StreamFormat, kAudioUnitScope_Input, 0, &srcFormat, sizeof(AudioStreamBasicDescription));

  949.     if (err1 != noErr) {

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

  951.         printError(err1);

  952.     }

  953. 

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

  955.     dstFormat.mSampleRate = samplerate;

  956.     dstFormat.mFormatID = kAudioFormatLinearPCM;

  957.     dstFormat.mFormatFlags = kAudioFormatFlagsNativeFloatPacked | kLinearPCMFormatFlagIsNonInterleaved;

  958.     dstFormat.mBytesPerPacket = sizeof(float);

  959.     dstFormat.mFramesPerPacket = 1;

  960.     dstFormat.mBytesPerFrame = sizeof(float);

  961.     dstFormat.mChannelsPerFrame = inchannels;

  962.     dstFormat.mBitsPerChannel = 32;

  963. 

  964.     err1 = AudioUnitSetProperty(fAUHAL, kAudioUnitProperty_StreamFormat, kAudioUnitScope_Output, 1, &dstFormat, sizeof(AudioStreamBasicDescription));

  965.     if (err1 != noErr) {

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

  967.         printError(err1);

  968.     }

  969. 

  970.     // Setup callbacks

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

  972.         AURenderCallbackStruct output;

  973.         output.inputProc = Render;

  974.         output.inputProcRefCon = this;

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

  976.         if (err1 != noErr) {

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

  978.             printError(err1);

  979.             return -1;

  980.         }

  981.     } else {

  982.         AURenderCallbackStruct output;

  983.         output.inputProc = Render;

  984.         output.inputProcRefCon = this;

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

  986.         if (err1 != noErr) {

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

  988.             printError(err1);

  989.             return -1;

  990.         }

  991.     }

  992. 

  993.     return 0;

  994. }

  995. 

  996. int JackCoreAudioDriver::SetupBuffers(int inchannels)

  997. {

  998.     // Prepare buffers

  999.     fJackInputData = (AudioBufferList*)malloc(sizeof(UInt32) + inchannels * sizeof(AudioBuffer));

  1000.     if (fJackInputData == 0) {

  1001.         jack_error("Cannot allocate memory for input buffers");

  1002.         return -1;

  1003.     }

  1004.     fJackInputData->mNumberBuffers = inchannels;

  1005.     for (int i = 0; i < fCaptureChannels; i++) {

  1006.         fJackInputData->mBuffers[i].mNumberChannels = 1;

  1007.         fJackInputData->mBuffers[i].mDataByteSize = fEngineControl->fBufferSize * sizeof(float);

  1008.     }

  1009.     return 0;

  1010. }

  1011. 

  1012. void JackCoreAudioDriver::DisposeBuffers()

  1013. {

  1014.     if (fJackInputData) {

  1015.         free(fJackInputData);

  1016.         fJackInputData = 0;

  1017.     }

  1018. }

  1019. 

  1020. void JackCoreAudioDriver::CloseAUHAL()

  1021. {

  1022.     AudioUnitUninitialize(fAUHAL);

  1023.     CloseComponent(fAUHAL);

  1024. }

  1025. 

  1026. int JackCoreAudioDriver::AddListeners()

  1027. {

  1028.     OSStatus err = noErr;

  1029. 

  1030.     // Add listeners

  1031.     err = AudioDeviceAddPropertyListener(fDeviceID, 0, true, kAudioDeviceProcessorOverload, DeviceNotificationCallback, this);

  1032.     if (err != noErr) {

  1033.         jack_error("Error calling AudioDeviceAddPropertyListener with kAudioDeviceProcessorOverload");

  1034.         printError(err);

  1035.         return -1;

  1036.     }

  1037. 

  1038.     err = AudioDeviceAddPropertyListener(fDeviceID, 0, true, kAudioHardwarePropertyDevices, DeviceNotificationCallback, this);

  1039.     if (err != noErr) {

  1040.         jack_error("Error calling AudioDeviceAddPropertyListener with kAudioHardwarePropertyDevices");

  1041.         printError(err);

  1042.         return -1;

  1043.     }

  1044. 

  1045.     err = AudioDeviceAddPropertyListener(fDeviceID, 0, true, kAudioDevicePropertyNominalSampleRate, DeviceNotificationCallback, this);

  1046.     if (err != noErr) {

  1047.         jack_error("Error calling AudioDeviceAddPropertyListener with kAudioDevicePropertyNominalSampleRate");

  1048.         printError(err);

  1049.         return -1;

  1050.     }

  1051. 

  1052.     err = AudioDeviceAddPropertyListener(fDeviceID, 0, true, kAudioDevicePropertyDeviceIsRunning, DeviceNotificationCallback, this);

  1053.     if (err != noErr) {

  1054.         jack_error("Error calling AudioDeviceAddPropertyListener with kAudioDevicePropertyDeviceIsRunning");

  1055.         printError(err);

  1056.         return -1;

  1057.     }

  1058. 

  1059.     err = AudioDeviceAddPropertyListener(fDeviceID, 0, true, kAudioDevicePropertyStreamConfiguration, DeviceNotificationCallback, this);

  1060.     if (err != noErr) {

  1061.         jack_error("Error calling AudioDeviceAddPropertyListener with kAudioDevicePropertyStreamConfiguration");

  1062.         printError(err);

  1063.         return -1;

  1064.     }

  1065. 

  1066.     err = AudioDeviceAddPropertyListener(fDeviceID, 0, false, kAudioDevicePropertyStreamConfiguration, DeviceNotificationCallback, this);

  1067.     if (err != noErr) {

  1068.         jack_error("Error calling AudioDeviceAddPropertyListener with kAudioDevicePropertyStreamConfiguration");

  1069.         printError(err);

  1070.         return -1;

  1071.     }

  1072. 

  1073.     if (!fEngineControl->fSyncMode && fIOUsage != 1.f) {

  1074.         UInt32 outSize = sizeof(float);

  1075.         err = AudioDeviceSetProperty(fDeviceID, NULL, 0, false, kAudioDevicePropertyIOCycleUsage, outSize, &fIOUsage);

  1076.         if (err != noErr) {

  1077.             jack_error("Error calling AudioDeviceSetProperty kAudioDevicePropertyIOCycleUsage");

  1078.             printError(err);

  1079.         }

  1080.     }

  1081. 

  1082.     return 0;

  1083. }

  1084. 

  1085. void JackCoreAudioDriver::RemoveListeners()

  1086. {

  1087.     AudioDeviceRemovePropertyListener(fDeviceID, 0, true, kAudioDeviceProcessorOverload, DeviceNotificationCallback);

  1088.     AudioDeviceRemovePropertyListener(fDeviceID, 0, true, kAudioHardwarePropertyDevices, DeviceNotificationCallback);

  1089.     AudioDeviceRemovePropertyListener(fDeviceID, 0, true, kAudioDevicePropertyNominalSampleRate, DeviceNotificationCallback);

  1090.     AudioDeviceRemovePropertyListener(fDeviceID, 0, true, kAudioDevicePropertyDeviceIsRunning, DeviceNotificationCallback);

  1091.     AudioDeviceRemovePropertyListener(fDeviceID, 0, true, kAudioDevicePropertyStreamConfiguration, DeviceNotificationCallback);

  1092.     AudioDeviceRemovePropertyListener(fDeviceID, 0, false, kAudioDevicePropertyStreamConfiguration, DeviceNotificationCallback);

  1093. }

  1094. 

  1095. int JackCoreAudioDriver::Open(jack_nframes_t buffer_size,

  1096.                               jack_nframes_t samplerate,

  1097.                               bool capturing,

  1098.                               bool playing,

  1099.                               int inchannels,

  1100.                               int outchannels,

  1101.                               bool monitor,

  1102.                               const char* capture_driver_uid,

  1103.                               const char* playback_driver_uid,

  1104.                               jack_nframes_t capture_latency,

  1105.                               jack_nframes_t playback_latency,

  1106.                               int async_output_latency)

  1107. {

  1108.     int in_nChannels = 0;

  1109.     int out_nChannels = 0;

  1110.     char capture_driver_name[256];

  1111.     char playback_driver_name[256];

  1112. 

  1113.     // Keep initial state

  1114.     fCapturing = capturing;

  1115.     fPlaying = playing;

  1116.     fInChannels = inchannels;

  1117.     fOutChannels = outchannels;

  1118.     fMonitor = monitor;

  1119.     strcpy(fCaptureUID, capture_driver_uid);

  1120.     strcpy(fPlaybackUID, playback_driver_uid);

  1121.     fCaptureLatency = capture_latency;

  1122.     fPlaybackLatency = playback_latency;

  1123.     fIOUsage = float(async_output_latency)/ 100.f;

  1124. 

  1125.     if (SetupDevices(capture_driver_uid, playback_driver_uid, capture_driver_name, playback_driver_name) < 0)

  1126.         return -1;

  1127. 

  1128.     // Generic JackAudioDriver Open

  1129.     if (JackAudioDriver::Open(buffer_size, samplerate, capturing, playing, inchannels, outchannels, monitor, capture_driver_name, playback_driver_name, capture_latency, playback_latency) != 0)

  1130.         return -1;

  1131. 

  1132.     if (SetupChannels(capturing, playing, inchannels, outchannels, in_nChannels, out_nChannels, true) < 0)

  1133.         return -1;

  1134. 

  1135.     if (SetupBufferSizeAndSampleRate(buffer_size, samplerate)  < 0)

  1136.         return -1;

  1137. 

  1138.     if (OpenAUHAL(capturing, playing, inchannels, outchannels, in_nChannels, out_nChannels, buffer_size, samplerate, true) < 0)

  1139.         goto error;

  1140. 

  1141.     if (capturing && inchannels > 0)

  1142.         if (SetupBuffers(inchannels) < 0)

  1143.             goto error;

  1144. 

  1145.     if (AddListeners() < 0)

  1146.         goto error;

  1147. 

  1148.     // Core driver may have changed the in/out values

  1149.     fCaptureChannels = inchannels;

  1150.     fPlaybackChannels = outchannels;

  1151.     return noErr;

  1152. 

  1153. error:

  1154.     Close();

  1155.     return -1;

  1156. }

  1157. 

  1158. int JackCoreAudioDriver::Close()

  1159. {

  1160.     jack_log("JackCoreAudioDriver::Close");

  1161.     Stop();

  1162.     JackAudioDriver::Close();

  1163.     RemoveListeners();

  1164.     DisposeBuffers();

  1165.     CloseAUHAL();

  1166.     return 0;

  1167. }

  1168. 

  1169. int JackCoreAudioDriver::Attach()

  1170. {

  1171.     OSStatus err;

  1172.     JackPort* port;

  1173.     jack_port_id_t port_index;

  1174.     UInt32 size;

  1175.     Boolean isWritable;

  1176.     char channel_name[64];

  1177.     char name[JACK_CLIENT_NAME_SIZE + JACK_PORT_NAME_SIZE];

  1178.     char alias[JACK_CLIENT_NAME_SIZE + JACK_PORT_NAME_SIZE];

  1179.     unsigned long port_flags = JackPortIsOutput | JackPortIsPhysical | JackPortIsTerminal;

  1180. 

  1181.     jack_log("JackCoreAudioDriver::Attach fBufferSize %ld fSampleRate %ld", fEngineControl->fBufferSize, fEngineControl->fSampleRate);

  1182. 

  1183.     for (int i = 0; i < fCaptureChannels; i++) {

  1184. 

  1185.         err = AudioDeviceGetPropertyInfo(fDeviceID, i + 1, true, kAudioDevicePropertyChannelName, &size, &isWritable);

  1186.         if (err != noErr)

  1187.             jack_log("AudioDeviceGetPropertyInfo kAudioDevicePropertyChannelName error ");

  1188.         if (err == noErr && size > 0) {

  1189.             err = AudioDeviceGetProperty(fDeviceID, i + 1, true, kAudioDevicePropertyChannelName, &size, channel_name);

  1190.             if (err != noErr)

  1191.                 jack_log("AudioDeviceGetProperty kAudioDevicePropertyChannelName error ");

  1192.             snprintf(alias, sizeof(alias) - 1, "%s:%s:out_%s%u", fAliasName, fCaptureDriverName, channel_name, i + 1);

  1193.         } else {

  1194.             snprintf(alias, sizeof(alias) - 1, "%s:%s:out%u", fAliasName, fCaptureDriverName, i + 1);

  1195.         }

  1196. 

  1197.         snprintf(name, sizeof(name) - 1, "%s:capture_%d", fClientControl.fName, i + 1);

  1198. 

  1199.         if ((port_index = fGraphManager->AllocatePort(fClientControl.fRefNum, name, JACK_DEFAULT_AUDIO_TYPE, (JackPortFlags)port_flags, fEngineControl->fBufferSize)) == NO_PORT) {

  1200.             jack_error("Cannot register port for %s", name);

  1201.             return -1;

  1202.         }

  1203. 

  1204.         size = sizeof(UInt32);

  1205.         UInt32 value1 = 0;

  1206.         UInt32 value2 = 0;

  1207.         err = AudioDeviceGetProperty(fDeviceID, 0, true, kAudioDevicePropertyLatency, &size, &value1);

  1208.         if (err != noErr)

  1209.             jack_log("AudioDeviceGetProperty kAudioDevicePropertyLatency error ");

  1210.         err = AudioDeviceGetProperty(fDeviceID, 0, true, kAudioDevicePropertySafetyOffset, &size, &value2);

  1211.         if (err != noErr)

  1212.             jack_log("AudioDeviceGetProperty kAudioDevicePropertySafetyOffset error ");

  1213. 

  1214.         port = fGraphManager->GetPort(port_index);

  1215.         port->SetAlias(alias);

  1216.         port->SetLatency(fEngineControl->fBufferSize + value1 + value2 + fCaptureLatency);

  1217.         fCapturePortList[i] = port_index;

  1218.     }

  1219. 

  1220.     port_flags = JackPortIsInput | JackPortIsPhysical | JackPortIsTerminal;

  1221. 

  1222.     for (int i = 0; i < fPlaybackChannels; i++) {

  1223. 

  1224.         err = AudioDeviceGetPropertyInfo(fDeviceID, i + 1, false, kAudioDevicePropertyChannelName, &size, &isWritable);

  1225.         if (err != noErr)

  1226.             jack_log("AudioDeviceGetPropertyInfo kAudioDevicePropertyChannelName error ");

  1227.         if (err == noErr && size > 0) {

  1228.             err = AudioDeviceGetProperty(fDeviceID, i + 1, false, kAudioDevicePropertyChannelName, &size, channel_name);

  1229.             if (err != noErr)

  1230.                 jack_log("AudioDeviceGetProperty kAudioDevicePropertyChannelName error ");

  1231.             snprintf(alias, sizeof(alias) - 1, "%s:%s:in_%s%u", fAliasName, fPlaybackDriverName, channel_name, i + 1);

  1232.         } else {

  1233.             snprintf(alias, sizeof(alias) - 1, "%s:%s:in%u", fAliasName, fPlaybackDriverName, i + 1);

  1234.         }

  1235. 

  1236.         snprintf(name, sizeof(name) - 1, "%s:playback_%d", fClientControl.fName, i + 1);

  1237. 

  1238.         if ((port_index = fGraphManager->AllocatePort(fClientControl.fRefNum, name, JACK_DEFAULT_AUDIO_TYPE, (JackPortFlags)port_flags, fEngineControl->fBufferSize)) == NO_PORT) {

  1239.             jack_error("Cannot register port for %s", name);

  1240.             return -1;

  1241.         }

  1242. 

  1243.         size = sizeof(UInt32);

  1244.         UInt32 value1 = 0;

  1245.         UInt32 value2 = 0;

  1246.         err = AudioDeviceGetProperty(fDeviceID, 0, false, kAudioDevicePropertyLatency, &size, &value1);

  1247.         if (err != noErr)

  1248.             jack_log("AudioDeviceGetProperty kAudioDevicePropertyLatency error ");

  1249.         err = AudioDeviceGetProperty(fDeviceID, 0, false, kAudioDevicePropertySafetyOffset, &size, &value2);

  1250.         if (err != noErr)

  1251.             jack_log("AudioDeviceGetProperty kAudioDevicePropertySafetyOffset error ");

  1252. 

  1253.         port = fGraphManager->GetPort(port_index);

  1254.         port->SetAlias(alias);

  1255.         // Add more latency if "async" mode is used...

  1256.         port->SetLatency(fEngineControl->fBufferSize + ((fEngineControl->fSyncMode) ? 0 : fEngineControl->fBufferSize * fIOUsage) + value1 + value2 + fPlaybackLatency);

  1257.         fPlaybackPortList[i] = port_index;

  1258. 

  1259.         // Monitor ports

  1260.         if (fWithMonitorPorts) {

  1261.             jack_log("Create monitor port ");

  1262.             snprintf(name, sizeof(name) - 1, "%s:%s:monitor_%u", fAliasName, fPlaybackDriverName, i + 1);

  1263.             if ((port_index = fGraphManager->AllocatePort(fClientControl.fRefNum, name, JACK_DEFAULT_AUDIO_TYPE, JackPortIsOutput, fEngineControl->fBufferSize)) == NO_PORT) {

  1264.                 jack_error("Cannot register monitor port for %s", name);

  1265.                 return -1;

  1266.             } else {

  1267.                 port = fGraphManager->GetPort(port_index);

  1268.                 port->SetLatency(fEngineControl->fBufferSize);

  1269.                 fMonitorPortList[i] = port_index;

  1270.             }

  1271.         }

  1272.     }

  1273. 

  1274.     // Input buffers do no change : prepare them only once

  1275.     for (int i = 0; i < fCaptureChannels; i++) {

  1276.         fJackInputData->mBuffers[i].mData = GetInputBuffer(i);

  1277.     }

  1278. 

  1279.     return 0;

  1280. }

  1281. 

  1282. int JackCoreAudioDriver::Start()

  1283. {

  1284.     jack_log("JackCoreAudioDriver::Start");

  1285.     JackAudioDriver::Start();

  1286. /*

  1287. #ifdef MAC_OS_X_VERSION_10_5

  1288.     OSStatus err = AudioDeviceCreateIOProcID(fDeviceID, MeasureCallback, this, &fMesureCallbackID);

  1289. #else

  1290.     OSStatus err = AudioDeviceAddIOProc(fDeviceID, MeasureCallback, this);

  1291. #endif

  1292. */

  1293.     OSStatus err = AudioDeviceAddIOProc(fDeviceID, MeasureCallback, this);

  1294.     

  1295.     if (err != noErr)

  1296.         return -1;

  1297. 

  1298.     err = AudioOutputUnitStart(fAUHAL);

  1299.     if (err != noErr)

  1300.         return -1;

  1301. 

  1302.     if ((err = AudioDeviceStart(fDeviceID, MeasureCallback)) != noErr) {

  1303.         jack_error("Cannot start MeasureCallback");

  1304.         printError(err);

  1305.         return -1;

  1306.     }

  1307. 

  1308.     return 0;

  1309. }

  1310. 

  1311. int JackCoreAudioDriver::Stop()

  1312. {

  1313.     jack_log("JackCoreAudioDriver::Stop");

  1314.     AudioDeviceStop(fDeviceID, MeasureCallback);

  1315. /*

  1316. #ifdef MAC_OS_X_VERSION_10_5

  1317.     AudioDeviceDestroyIOProcID(fDeviceID, fMesureCallbackID);

  1318. #else

  1319.     AudioDeviceRemoveIOProc(fDeviceID, MeasureCallback);

  1320. #endif

  1321. */

  1322.     AudioDeviceRemoveIOProc(fDeviceID, MeasureCallback);

  1323.     return (AudioOutputUnitStop(fAUHAL) == noErr) ? 0 : -1;

  1324. }

  1325. 

  1326. int JackCoreAudioDriver::SetBufferSize(jack_nframes_t buffer_size)

  1327. {

  1328.     OSStatus err;

  1329.     UInt32 outSize = sizeof(UInt32);

  1330. 

  1331.     err = AudioDeviceSetProperty(fDeviceID, NULL, 0, false, kAudioDevicePropertyBufferFrameSize, outSize, &buffer_size);

  1332.     if (err != noErr) {

  1333.         jack_error("Cannot set buffer size %ld", buffer_size);

  1334.         printError(err);

  1335.         return -1;

  1336.     }

  1337. 

  1338.     JackAudioDriver::SetBufferSize(buffer_size); // never fails

  1339. 

  1340.     // Input buffers do no change : prepare them only once

  1341.     for (int i = 0; i < fCaptureChannels; i++) {

  1342.         fJackInputData->mBuffers[i].mNumberChannels = 1;

  1343.         fJackInputData->mBuffers[i].mDataByteSize = fEngineControl->fBufferSize * sizeof(float);

  1344.         fJackInputData->mBuffers[i].mData = GetInputBuffer(i);

  1345.     }

  1346. 

  1347.     return 0;

  1348. }

  1349. 

  1350. } // end of namespace

  1351. 

  1352. 

  1353. #ifdef __cplusplus

  1354. extern "C"

  1355. {

  1356. #endif

  1357. 

  1358.     SERVER_EXPORT jack_driver_desc_t* driver_get_descriptor() 

  1359.     {

  1360.         jack_driver_desc_t *desc;

  1361.         unsigned int i;

  1362.         desc = (jack_driver_desc_t*)calloc(1, sizeof(jack_driver_desc_t));

  1363. 

  1364.         strcpy(desc->name, "coreaudio");                                    // size MUST be less then JACK_DRIVER_NAME_MAX + 1

  1365.         strcpy(desc->desc, "Apple CoreAudio API based audio backend");      // size MUST be less then JACK_DRIVER_PARAM_DESC + 1

  1366.         

  1367.         desc->nparams = 14;

  1368.         desc->params = (jack_driver_param_desc_t*)calloc(desc->nparams, sizeof(jack_driver_param_desc_t));

  1369. 

  1370.         i = 0;

  1371.         strcpy(desc->params[i].name, "channels");

  1372.         desc->params[i].character = 'c';

  1373.         desc->params[i].type = JackDriverParamInt;

  1374.         desc->params[i].value.ui = 0;

  1375.         strcpy(desc->params[i].short_desc, "Maximum number of channels");

  1376.         strcpy(desc->params[i].long_desc, desc->params[i].short_desc);

  1377. 

  1378.         i++;

  1379.         strcpy(desc->params[i].name, "inchannels");

  1380.         desc->params[i].character = 'i';

  1381.         desc->params[i].type = JackDriverParamInt;

  1382.         desc->params[i].value.ui = 0;

  1383.         strcpy(desc->params[i].short_desc, "Maximum number of input channels");

  1384.         strcpy(desc->params[i].long_desc, desc->params[i].short_desc);

  1385. 

  1386.         i++;

  1387.         strcpy(desc->params[i].name, "outchannels");

  1388.         desc->params[i].character = 'o';

  1389.         desc->params[i].type = JackDriverParamInt;

  1390.         desc->params[i].value.ui = 0;

  1391.         strcpy(desc->params[i].short_desc, "Maximum number of output channels");

  1392.         strcpy(desc->params[i].long_desc, desc->params[i].short_desc);

  1393. 

  1394.         i++;

  1395.         strcpy(desc->params[i].name, "capture");

  1396.         desc->params[i].character = 'C';

  1397.         desc->params[i].type = JackDriverParamString;

  1398.         strcpy(desc->params[i].value.str, "will take default CoreAudio input device");

  1399.         strcpy(desc->params[i].short_desc, "Provide capture ports. Optionally set CoreAudio device name");

  1400.         strcpy(desc->params[i].long_desc, desc->params[i].short_desc);

  1401. 

  1402.         i++;

  1403.         strcpy(desc->params[i].name, "playback");

  1404.         desc->params[i].character = 'P';

  1405.         desc->params[i].type = JackDriverParamString;

  1406.         strcpy(desc->params[i].value.str, "will take default CoreAudio output device");

  1407.         strcpy(desc->params[i].short_desc, "Provide playback ports. Optionally set CoreAudio device name");

  1408.         strcpy(desc->params[i].long_desc, desc->params[i].short_desc);

  1409. 

  1410.         i++;

  1411.         strcpy (desc->params[i].name, "monitor");

  1412.         desc->params[i].character = 'm';

  1413.         desc->params[i].type = JackDriverParamBool;

  1414.         desc->params[i].value.i = 0;

  1415.         strcpy(desc->params[i].short_desc, "Provide monitor ports for the output");

  1416.         strcpy(desc->params[i].long_desc, desc->params[i].short_desc);

  1417. 

  1418.         i++;

  1419.         strcpy(desc->params[i].name, "duplex");

  1420.         desc->params[i].character = 'D';

  1421.         desc->params[i].type = JackDriverParamBool;

  1422.         desc->params[i].value.i = TRUE;

  1423.         strcpy(desc->params[i].short_desc, "Provide both capture and playback ports");

  1424.         strcpy(desc->params[i].long_desc, desc->params[i].short_desc);

  1425. 

  1426.         i++;

  1427.         strcpy(desc->params[i].name, "rate");

  1428.         desc->params[i].character = 'r';

  1429.         desc->params[i].type = JackDriverParamUInt;

  1430.         desc->params[i].value.ui = 44100U;

  1431.         strcpy(desc->params[i].short_desc, "Sample rate");

  1432.         strcpy(desc->params[i].long_desc, desc->params[i].short_desc);

  1433. 

  1434.         i++;

  1435.         strcpy(desc->params[i].name, "period");

  1436.         desc->params[i].character = 'p';

  1437.         desc->params[i].type = JackDriverParamUInt;

  1438.         desc->params[i].value.ui = 128U;

  1439.         strcpy(desc->params[i].short_desc, "Frames per period");

  1440.         strcpy(desc->params[i].long_desc, desc->params[i].short_desc);

  1441. 

  1442.         i++;

  1443.         strcpy(desc->params[i].name, "device");

  1444.         desc->params[i].character = 'd';

  1445.         desc->params[i].type = JackDriverParamString;

  1446.         strcpy(desc->params[i].value.str, "will take default CoreAudio device name");

  1447.         strcpy(desc->params[i].short_desc, "CoreAudio device name");

  1448.         strcpy(desc->params[i].long_desc, desc->params[i].short_desc);

  1449. 

  1450.         i++;

  1451.         strcpy(desc->params[i].name, "input-latency");

  1452.         desc->params[i].character = 'I';

  1453.         desc->params[i].type = JackDriverParamUInt;

  1454.         desc->params[i].value.i = 0;

  1455.         strcpy(desc->params[i].short_desc, "Extra input latency (frames)");

  1456.         strcpy(desc->params[i].long_desc, desc->params[i].short_desc);

  1457. 

  1458.         i++;

  1459.         strcpy(desc->params[i].name, "output-latency");

  1460.         desc->params[i].character = 'O';

  1461.         desc->params[i].type = JackDriverParamUInt;

  1462.         desc->params[i].value.i = 0;

  1463.         strcpy(desc->params[i].short_desc, "Extra output latency (frames)");

  1464.         strcpy(desc->params[i].long_desc, desc->params[i].short_desc);

  1465. 

  1466.         i++;

  1467.         strcpy(desc->params[i].name, "list-devices");

  1468.         desc->params[i].character = 'l';

  1469.         desc->params[i].type = JackDriverParamBool;

  1470.         desc->params[i].value.i = TRUE;

  1471.         strcpy(desc->params[i].short_desc, "Display available CoreAudio devices");

  1472.         strcpy(desc->params[i].long_desc, desc->params[i].short_desc);

  1473.         

  1474.         i++;

  1475.         strcpy(desc->params[i].name, "async-latency");

  1476.         desc->params[i].character = 'L';

  1477.         desc->params[i].type = JackDriverParamUInt;

  1478.         desc->params[i].value.i = 100;

  1479.         strcpy(desc->params[i].short_desc, "Extra output latency in aynchronous mode (percent)");

  1480.         strcpy(desc->params[i].long_desc, desc->params[i].short_desc);

  1481. 

  1482.         return desc;

  1483.     }

  1484. 

  1485.     SERVER_EXPORT Jack::JackDriverClientInterface* driver_initialize(Jack::JackLockedEngine* engine, Jack::JackSynchro* table, const JSList* params) 

  1486.     {

  1487.         jack_nframes_t srate = 44100;

  1488.         jack_nframes_t frames_per_interrupt = 128;

  1489.         int capture = FALSE;

  1490.         int playback = FALSE;

  1491.         int chan_in = 0;

  1492.         int chan_out = 0;

  1493.         bool monitor = false;

  1494.         const char* capture_driver_uid = "";

  1495.         const char* playback_driver_uid = "";

  1496.         const JSList *node;

  1497.         const jack_driver_param_t *param;

  1498.         jack_nframes_t systemic_input_latency = 0;

  1499.         jack_nframes_t systemic_output_latency = 0;

  1500.         int async_output_latency = 100;

  1501.     

  1502.         for (node = params; node; node = jack_slist_next(node)) {

  1503.             param = (const jack_driver_param_t *) node->data;

  1504.        

  1505.             switch (param->character) {

  1506. 

  1507.                 case 'd':

  1508.                     capture_driver_uid = strdup(param->value.str);

  1509.                     playback_driver_uid = strdup(param->value.str);

  1510.                     break;

  1511. 

  1512.                 case 'D':

  1513.                     capture = TRUE;

  1514.                     playback = TRUE;

  1515.                     break;

  1516. 

  1517.                 case 'c':

  1518.                     chan_in = chan_out = (int) param->value.ui;

  1519.                     break;

  1520. 

  1521.                 case 'i':

  1522.                     chan_in = (int) param->value.ui;

  1523.                     break;

  1524. 

  1525.                 case 'o':

  1526.                     chan_out = (int) param->value.ui;

  1527.                     break;

  1528. 

  1529.                 case 'C':

  1530.                     capture = TRUE;

  1531.                     if (strcmp(param->value.str, "none") != 0) {

  1532.                         capture_driver_uid = strdup(param->value.str);

  1533.                     }

  1534.                     break;

  1535. 

  1536.                 case 'P':

  1537.                     playback = TRUE;

  1538.                     if (strcmp(param->value.str, "none") != 0) {

  1539.                         playback_driver_uid = strdup(param->value.str);

  1540.                     }

  1541.                     break;

  1542. 

  1543.                 case 'm':

  1544.                     monitor = param->value.i;

  1545.                     break;

  1546. 

  1547.                 case 'r':

  1548.                     srate = param->value.ui;

  1549.                     break;

  1550. 

  1551.                 case 'p':

  1552.                     frames_per_interrupt = (unsigned int) param->value.ui;

  1553.                     break;

  1554. 

  1555.                 case 'I':

  1556.                     systemic_input_latency = param->value.ui;

  1557.                     break;

  1558. 

  1559.                 case 'O':

  1560.                     systemic_output_latency = param->value.ui;

  1561.                     break;

  1562. 

  1563.                 case 'l':

  1564.                     Jack::DisplayDeviceNames();

  1565.                     break;

  1566.                     

  1567.                 case 'L':

  1568.                     async_output_latency = param->value.ui;

  1569.                     break;

  1570.             }

  1571.         }

  1572. 

  1573.         /* duplex is the default */

  1574.         if (!capture && !playback) {

  1575.             capture = TRUE;

  1576.             playback = TRUE;

  1577.         }

  1578. 

  1579.         Jack::JackCoreAudioDriver* driver = new Jack::JackCoreAudioDriver("system", "coreaudio", engine, table);

  1580.         if (driver->Open(frames_per_interrupt, srate, capture, playback, chan_in, chan_out, monitor, capture_driver_uid, 

  1581.             playback_driver_uid, systemic_input_latency, systemic_output_latency, async_output_latency) == 0) {

  1582.             return driver;

  1583.         } else {

  1584.             delete driver;

  1585.             return NULL;

  1586.         }

  1587.     }

  1588. 

  1589. #ifdef __cplusplus

  1590. }

  1591. #endif

  1592.