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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 "JackTools.h"

  29. #include "JackLockedEngine.h"

  30. #include "JackAC3Encoder.h"

  31. 

  32. #include <sstream>

  33. #include <iostream>

  34. #include <CoreServices/CoreServices.h>

  35. #include <CoreFoundation/CFNumber.h>

  36. 

  37. namespace Jack

  38. {

  39. 

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

  41. {

  42.     UInt32 __4CC_number = (c);

  43.     char __4CC_string[5];

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

  45.     __4CC_string[4] = 0;

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

  47. }

  48. 

  49. static void PrintStreamDesc(AudioStreamBasicDescription *inDesc)

  50. {

  51.     jack_log("- - - - - - - - - - - - - - - - - - - -");

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

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

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

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

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

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

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

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

  60.     jack_log("- - - - - - - - - - - - - - - - - - - -");

  61. }

  62. 

  63. static void printError(OSStatus err)

  64. {

  65.     switch (err) {

  66.         case kAudioHardwareNoError:

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

  68.             break;

  69.         case kAudioConverterErr_FormatNotSupported:

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

  71.             break;

  72.         case kAudioConverterErr_OperationNotSupported:

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

  74.             break;

  75.         case kAudioConverterErr_PropertyNotSupported:

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

  77.             break;

  78.         case kAudioConverterErr_InvalidInputSize:

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

  80.             break;

  81.         case kAudioConverterErr_InvalidOutputSize:

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

  83.             break;

  84.         case kAudioConverterErr_UnspecifiedError:

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

  86.             break;

  87.         case kAudioConverterErr_BadPropertySizeError:

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

  89.             break;

  90.         case kAudioConverterErr_RequiresPacketDescriptionsError:

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

  92.             break;

  93.         case kAudioConverterErr_InputSampleRateOutOfRange:

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

  95.             break;

  96.         case kAudioConverterErr_OutputSampleRateOutOfRange:

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

  98.             break;

  99.         case kAudioHardwareNotRunningError:

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

  101.             break;

  102.         case kAudioHardwareUnknownPropertyError:

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

  104.             break;

  105.         case kAudioHardwareIllegalOperationError:

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

  107.             break;

  108.         case kAudioHardwareBadDeviceError:

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

  110.             break;

  111.         case kAudioHardwareBadStreamError:

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

  113.             break;

  114.         case kAudioDeviceUnsupportedFormatError:

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

  116.             break;

  117.         case kAudioDevicePermissionsError:

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

  119.             break;

  120.         case kAudioHardwareBadObjectError:

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

  122.             break;

  123.         case kAudioHardwareUnsupportedOperationError:

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

  125.             break;

  126.         default:

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

  128.             break;

  129.     }

  130. }

  131. 

  132. static bool CheckAvailableDeviceName(const char* device_name, AudioDeviceID* device_id)

  133. {

  134.     UInt32 size;

  135.     Boolean isWritable;

  136.     int i, deviceNum;

  137.     OSStatus err;

  138. 

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

  140.     if (err != noErr) {

  141.         return false;

  142.     }

  143. 

  144.     deviceNum = size / sizeof(AudioDeviceID);

  145.     AudioDeviceID devices[deviceNum];

  146. 

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

  148.     if (err != noErr) {

  149.         return false;

  150.     }

  151. 

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

  153.         char device_name_aux[256];

  154. 

  155.         size = 256;

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

  157.         if (err != noErr) {

  158.             return false;

  159.         }

  160. 

  161.         if (strcmp(device_name_aux, device_name) == 0) {

  162.             *device_id = devices[i];

  163.             return true;

  164.         }

  165. 

  166.     }

  167. 

  168.     return false;

  169. }

  170. 

  171. static bool CheckAvailableDevice(AudioDeviceID device_id)

  172. {

  173.     UInt32 size;

  174.     Boolean isWritable;

  175.     int i, deviceNum;

  176.     OSStatus err;

  177. 

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

  179.     if (err != noErr) {

  180.         return false;

  181.     }

  182. 

  183.     deviceNum = size / sizeof(AudioDeviceID);

  184.     AudioDeviceID devices[deviceNum];

  185. 

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

  187.     if (err != noErr) {

  188.         return false;

  189.     }

  190. 

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

  192.         if (device_id == devices[i]) {

  193.             return true;

  194.         }

  195.     }

  196. 

  197.     return false;

  198. }

  199. 

  200. 

  201. static OSStatus DisplayDeviceNames()

  202. {

  203.     UInt32 size;

  204.     Boolean isWritable;

  205.     int i, deviceNum;

  206.     OSStatus err;

  207.     CFStringRef UIname;

  208. 

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

  210.     if (err != noErr) {

  211.         return err;

  212.     }

  213. 

  214.     deviceNum = size / sizeof(AudioDeviceID);

  215.     AudioDeviceID devices[deviceNum];

  216. 

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

  218.     if (err != noErr) {

  219.         return err;

  220.     }

  221. 

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

  223.         char device_name[256];

  224.         char internal_name[256];

  225. 

  226.         size = sizeof(CFStringRef);

  227.         UIname = NULL;

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

  229.         if (err == noErr) {

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

  231.         } else {

  232.             goto error;

  233.         }

  234. 

  235.         size = 256;

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

  237.         if (err != noErr) {

  238.             return err;

  239.         }

  240. 

  241.         jack_info("Device ID = \'%d\' name = \'%s\', internal name = \'%s\' (to be used as -C, -P, or -d parameter)", devices[i], device_name, internal_name);

  242.     }

  243. 

  244.     return noErr;

  245. 

  246. error:

  247.     if (UIname != NULL) {

  248.         CFRelease(UIname);

  249.     }

  250.     return err;

  251. }

  252. 

  253. static CFStringRef GetDeviceName(AudioDeviceID id)

  254. {

  255.     UInt32 size = sizeof(CFStringRef);

  256.     CFStringRef UIname;

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

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

  259. }

  260. 

  261. static void ParseChannelList(const string& list, vector<int>& result)

  262. {

  263.     stringstream ss(list);

  264.     string token;

  265. 	int chan;

  266. 

  267.     while (ss >> token) {

  268.         istringstream ins;

  269.         ins.str(token);

  270.         ins >> chan;

  271.         result.push_back(chan);

  272.     }

  273. }

  274. 

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

  276.                                      AudioUnitRenderActionFlags* ioActionFlags,

  277.                                      const AudioTimeStamp* inTimeStamp,

  278.                                      UInt32 inBusNumber,

  279.                                      UInt32 inNumberFrames,

  280.                                      AudioBufferList* ioData)

  281. {

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

  283.     driver->fActionFags = ioActionFlags;

  284.     driver->fCurrentTime = inTimeStamp;

  285.     driver->fDriverOutputData = ioData;

  286. 

  287.     // Setup threaded based log function et get RT thread parameters once...

  288.     if (set_threaded_log_function()) {

  289. 

  290.         jack_log("JackCoreAudioDriver::Render : set_threaded_log_function");

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

  292. 

  293.         if (driver->fComputationGrain > 0) {

  294.             jack_log("JackCoreAudioDriver::Render : RT thread computation setup to %d percent of period", int(driver->fComputationGrain * 100));

  295.             driver->fEngineControl->fComputation = driver->fEngineControl->fPeriod * driver->fComputationGrain;

  296.         }

  297.     }

  298. 

  299.     // Signal waiting start function...

  300.     driver->fState = true;

  301. 

  302.     driver->CycleTakeBeginTime();

  303. 

  304.     if (driver->Process() < 0) {

  305.         jack_error("Process error, stopping driver");

  306.         driver->NotifyFailure(JackBackendError, "Process error, stopping driver");    // Message length limited to JACK_MESSAGE_SIZE

  307.         driver->Stop();

  308.         kill(JackTools::GetPID(), SIGINT);

  309.         return kAudioHardwareUnsupportedOperationError;

  310.     } else {

  311.         return noErr;

  312.     }

  313. }

  314. 

  315. int JackCoreAudioDriver::Read()

  316. {

  317.     if (fCaptureChannels > 0)  { // Calling AudioUnitRender with no input returns a '????' error (callback setting issue ??), so hack to avoid it here...

  318.         return (AudioUnitRender(fAUHAL, fActionFags, fCurrentTime, 1, fEngineControl->fBufferSize, fJackInputData) == noErr) ? 0 : -1;

  319.     } else {

  320.         return 0;

  321.     }

  322. }

  323. 

  324. int JackCoreAudioDriver::Write()

  325. {

  326.     if (fAC3Encoder) {

  327.     

  328.         // AC3 encoding and SPDIF write

  329.         jack_default_audio_sample_t* AC3_inputs[MAX_AC3_CHANNELS];

  330.         jack_default_audio_sample_t* AC3_outputs[2];

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

  332.             AC3_inputs[i] = GetOutputBuffer(i);

  333.             // If not connected, clear the buffer

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

  335.                 memset(AC3_inputs[i], 0, sizeof(jack_default_audio_sample_t) * fEngineControl->fBufferSize);

  336.             }

  337.         }

  338.         AC3_outputs[0] = (jack_default_audio_sample_t*)fDriverOutputData->mBuffers[0].mData;

  339.         AC3_outputs[1] = (jack_default_audio_sample_t*)fDriverOutputData->mBuffers[1].mData;

  340.         fAC3Encoder->Process(AC3_inputs, AC3_outputs, fEngineControl->fBufferSize);

  341.         

  342.     } else {

  343.        

  344.         // Standard write

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

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

  347.                 jack_default_audio_sample_t* buffer = GetOutputBuffer(i);

  348.                 int size = sizeof(jack_default_audio_sample_t) * fEngineControl->fBufferSize;

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

  350.                 // Monitor ports

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

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

  353.                 }

  354.             } else {

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

  356.             }

  357.         }

  358.     }

  359.     return 0;

  360. }

  361. 

  362. OSStatus JackCoreAudioDriver::SRNotificationCallback(AudioDeviceID inDevice,

  363.                                                     UInt32 inChannel,

  364.                                                     Boolean	isInput,

  365.                                                     AudioDevicePropertyID inPropertyID,

  366.                                                     void* inClientData)

  367. {

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

  369. 

  370.     switch (inPropertyID) {

  371. 

  372.         case kAudioDevicePropertyNominalSampleRate: {

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

  374.             // Check new sample rate

  375.             Float64 tmp_sample_rate;

  376.             UInt32 outSize = sizeof(Float64);

  377.             OSStatus err = AudioDeviceGetProperty(inDevice, 0, kAudioDeviceSectionGlobal, kAudioDevicePropertyNominalSampleRate, &outSize, &tmp_sample_rate);

  378.             if (err != noErr) {

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

  380.                 printError(err);

  381.             } else {

  382.                 jack_log("JackCoreAudioDriver::SRNotificationCallback : checked sample rate = %f", tmp_sample_rate);

  383.             }

  384.             driver->fState = true;

  385.             break;

  386.         }

  387.     }

  388. 

  389.     return noErr;

  390. }

  391. 

  392. OSStatus JackCoreAudioDriver::BSNotificationCallback(AudioDeviceID inDevice,

  393.                                                      UInt32 inChannel,

  394.                                                      Boolean isInput,

  395.                                                      AudioDevicePropertyID inPropertyID,

  396.                                                      void* inClientData)

  397. {

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

  399. 

  400.     switch (inPropertyID) {

  401. 

  402.         case kAudioDevicePropertyBufferFrameSize: {

  403.             jack_log("JackCoreAudioDriver::BSNotificationCallback kAudioDevicePropertyBufferFrameSize");

  404.             // Check new buffer size

  405.             UInt32 tmp_buffer_size;

  406.             UInt32 outSize = sizeof(UInt32);

  407.             OSStatus err = AudioDeviceGetProperty(inDevice, 0, kAudioDeviceSectionGlobal, kAudioDevicePropertyBufferFrameSize, &outSize, &tmp_buffer_size);

  408.             if (err != noErr) {

  409.                 jack_error("Cannot get current buffer size");

  410.                 printError(err);

  411.             } else {

  412.                 jack_log("JackCoreAudioDriver::BSNotificationCallback : checked buffer size = %d", tmp_buffer_size);

  413.             }

  414.             driver->fState = true;

  415.             break;

  416.         }

  417.     }

  418. 

  419.     return noErr;

  420. }

  421. 

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

  423. OSStatus JackCoreAudioDriver::AudioHardwareNotificationCallback(AudioHardwarePropertyID inPropertyID, void* inClientData)

  424. {

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

  426. 

  427.     switch (inPropertyID) {

  428. 

  429.         case kAudioHardwarePropertyDevices: {

  430.             jack_log("JackCoreAudioDriver::AudioHardwareNotificationCallback kAudioHardwarePropertyDevices");

  431.             DisplayDeviceNames();

  432.             AudioDeviceID captureID, playbackID;

  433.             if (CheckAvailableDevice(driver->fDeviceID) ||

  434.                 (CheckAvailableDeviceName(driver->fCaptureUID, &captureID)

  435.                 && CheckAvailableDeviceName(driver->fPlaybackUID, &playbackID))) {

  436. 

  437.             }

  438.             break;

  439.         }

  440.     }

  441. 

  442.     return noErr;

  443. }

  444. 

  445. OSStatus JackCoreAudioDriver::DeviceNotificationCallback(AudioDeviceID inDevice,

  446.                                                         UInt32 inChannel,

  447.                                                         Boolean	isInput,

  448.                                                         AudioDevicePropertyID inPropertyID,

  449.                                                         void* inClientData)

  450. {

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

  452. 

  453.     switch (inPropertyID) {

  454. 

  455.         case kAudioDevicePropertyDeviceIsRunning: {

  456.             UInt32 isrunning = 0;

  457.             UInt32 outsize = sizeof(UInt32);

  458.             if (AudioDeviceGetProperty(driver->fDeviceID, 0, kAudioDeviceSectionGlobal, kAudioDevicePropertyDeviceIsRunning, &outsize, &isrunning) == noErr) {

  459.                 jack_log("JackCoreAudioDriver::DeviceNotificationCallback kAudioDevicePropertyDeviceIsRunning = %d", isrunning);

  460.             }

  461.             break;

  462.         }

  463. 

  464.         case kAudioDevicePropertyDeviceIsAlive: {

  465.             UInt32 isalive = 0;

  466.             UInt32 outsize = sizeof(UInt32);

  467.             if (AudioDeviceGetProperty(driver->fDeviceID, 0, kAudioDeviceSectionGlobal, kAudioDevicePropertyDeviceIsAlive, &outsize, &isalive) == noErr) {

  468.                 jack_log("JackCoreAudioDriver::DeviceNotificationCallback kAudioDevicePropertyDeviceIsAlive = %d", isalive);

  469.             }

  470.             break;

  471.         }

  472. 

  473.         case kAudioDevicePropertyDeviceHasChanged: {

  474.             UInt32 hachanged = 0;

  475.             UInt32 outsize = sizeof(UInt32);

  476.             if (AudioDeviceGetProperty(driver->fDeviceID, 0, kAudioDeviceSectionGlobal, kAudioDevicePropertyDeviceHasChanged, &outsize, &hachanged) == noErr) {

  477.                 jack_log("JackCoreAudioDriver::DeviceNotificationCallback kAudioDevicePropertyDeviceHasChanged = %d", hachanged);

  478.             }

  479.             break;

  480.         }

  481. 

  482.         case kAudioDeviceProcessorOverload: {

  483.             jack_error("DeviceNotificationCallback kAudioDeviceProcessorOverload");

  484.             jack_time_t cur_time = GetMicroSeconds();

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

  486.             break;

  487.         }

  488. 

  489.         case kAudioDevicePropertyStreamConfiguration: {

  490.             jack_error("Cannot handle kAudioDevicePropertyStreamConfiguration : server will quit...");

  491.             driver->NotifyFailure(JackBackendError, "Another application has changed the device configuration");   // Message length limited to JACK_MESSAGE_SIZE

  492.             driver->CloseAUHAL();

  493.             kill(JackTools::GetPID(), SIGINT);

  494.             return kAudioHardwareUnsupportedOperationError;

  495.         }

  496. 

  497.         case kAudioDevicePropertyNominalSampleRate: {

  498.             Float64 sample_rate = 0;

  499.             UInt32 outsize = sizeof(Float64);

  500.             OSStatus err = AudioDeviceGetProperty(driver->fDeviceID, 0, kAudioDeviceSectionGlobal, kAudioDevicePropertyNominalSampleRate, &outsize, &sample_rate);

  501.             if (err != noErr) {

  502.                 return kAudioHardwareUnsupportedOperationError;

  503.             }

  504. 

  505.             char device_name[256];

  506.             const char* digidesign_name = "Digidesign";

  507.             driver->GetDeviceNameFromID(driver->fDeviceID, device_name);

  508. 

  509.             if (sample_rate != driver->fEngineControl->fSampleRate) {

  510. 

  511.                // Digidesign hardware, so "special" code : change the SR again here

  512.                if (strncmp(device_name, digidesign_name, 10) == 0) {

  513. 

  514.                     jack_log("JackCoreAudioDriver::DeviceNotificationCallback Digidesign HW = %s", device_name);

  515. 

  516.                     // Set sample rate again...

  517.                     sample_rate = driver->fEngineControl->fSampleRate;

  518.                     err = AudioDeviceSetProperty(driver->fDeviceID, NULL, 0, kAudioDeviceSectionGlobal, kAudioDevicePropertyNominalSampleRate, outsize, &sample_rate);

  519.                     if (err != noErr) {

  520.                         jack_error("Cannot set sample rate = %f", sample_rate);

  521.                         printError(err);

  522.                     } else {

  523.                         jack_log("JackCoreAudioDriver::DeviceNotificationCallback : set sample rate = %f", sample_rate);

  524.                     }

  525. 

  526.                     // Check new sample rate again...

  527.                     outsize = sizeof(Float64);

  528.                     err = AudioDeviceGetProperty(inDevice, 0, kAudioDeviceSectionGlobal, kAudioDevicePropertyNominalSampleRate, &outsize, &sample_rate);

  529.                     if (err != noErr) {

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

  531.                         printError(err);

  532.                     } else {

  533.                         jack_log("JackCoreAudioDriver::DeviceNotificationCallback : checked sample rate = %f", sample_rate);

  534.                     }

  535.                     return noErr;

  536. 

  537.                 } else {

  538.                     driver->NotifyFailure(JackBackendError, "Another application has changed the sample rate");    // Message length limited to JACK_MESSAGE_SIZE

  539.                     driver->CloseAUHAL();

  540.                     kill(JackTools::GetPID(), SIGINT);

  541.                     return kAudioHardwareUnsupportedOperationError;

  542.                 }

  543.             }

  544.         }

  545. 

  546.     }

  547.     return noErr;

  548. }

  549. 

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

  551. {

  552.     UInt32 size = sizeof(AudioValueTranslation);

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

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

  555. 

  556.     if (inIUD == NULL) {

  557.         return kAudioHardwareUnspecifiedError;

  558.     } else {

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

  560.         CFRelease(inIUD);

  561.         jack_log("JackCoreAudioDriver::GetDeviceIDFromUID %s %ld", UID, *id);

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

  563.     }

  564. }

  565. 

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

  567. {

  568.     OSStatus res;

  569.     UInt32 theSize = sizeof(UInt32);

  570.     AudioDeviceID inDefault;

  571.     AudioDeviceID outDefault;

  572. 

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

  574.         return res;

  575.     }

  576. 

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

  578.         return res;

  579.     }

  580. 

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

  582. 

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

  584.     if (inDefault != outDefault) {

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

  586.         return kAudioHardwareBadDeviceError;

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

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

  589.         return kAudioHardwareBadDeviceError;

  590.     } else {

  591.         *id = inDefault;

  592.         return noErr;

  593.     }

  594. }

  595. 

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

  597. {

  598.     OSStatus res;

  599.     UInt32 theSize = sizeof(UInt32);

  600.     AudioDeviceID inDefault;

  601. 

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

  603.         return res;

  604.     }

  605. 

  606.     if (inDefault == 0) {

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

  608.         return -1;

  609.     }

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

  611.     *id = inDefault;

  612.     return noErr;

  613. }

  614. 

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

  616. {

  617.     OSStatus res;

  618.     UInt32 theSize = sizeof(UInt32);

  619.     AudioDeviceID outDefault;

  620. 

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

  622.         return res;

  623.     }

  624. 

  625.     if (outDefault == 0) {

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

  627.         return -1;

  628.     }

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

  630.     *id = outDefault;

  631.     return noErr;

  632. }

  633. 

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

  635. {

  636.     UInt32 size = 256;

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

  638. }

  639. 

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

  641. {

  642.     OSStatus err = noErr;

  643.     UInt32 outSize;

  644.     Boolean	outWritable;

  645. 

  646.     channelCount = 0;

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

  648.     if (err == noErr) {

  649.         int stream_count = outSize / sizeof(AudioBufferList);

  650.         jack_log("JackCoreAudioDriver::GetTotalChannels stream_count = %d", stream_count);

  651.         AudioBufferList bufferList[stream_count];

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

  653.         if (err == noErr) {

  654.             for (uint i = 0; i < bufferList->mNumberBuffers; i++) {

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

  656.                 jack_log("JackCoreAudioDriver::GetTotalChannels stream = %d channels = %d", i, bufferList->mBuffers[i].mNumberChannels);

  657.             }

  658.         }

  659.     }

  660.     return err;

  661. }

  662. 

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

  664. {

  665.     OSStatus err = noErr;

  666.     UInt32 outSize1, outSize2, outSize3;

  667.     Boolean	outWritable;

  668. 

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

  670.     if (err == noErr) {

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

  672.         AudioStreamID streamIDs[stream_count];

  673.         AudioBufferList bufferList[stream_count];

  674.         UInt32 streamLatency;

  675.         outSize2 = sizeof(UInt32);

  676. 

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

  678.         if (err != noErr) {

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

  680.             return err;

  681.         }

  682. 

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

  684.         if (err != noErr) {

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

  686.             return err;

  687.         }

  688. 

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

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

  691.             if (err != noErr) {

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

  693.                 return err;

  694.             }

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

  696.             if (err != noErr) {

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

  698.                 return err;

  699.             }

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

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

  702.                 latencies.push_back(streamLatency);

  703.             }

  704.         }

  705.     }

  706.     return err;

  707. }

  708. 

  709. bool JackCoreAudioDriver::IsDigitalDevice(AudioDeviceID device)

  710. {

  711.     OSStatus err = noErr;

  712.     UInt32 outSize1;

  713.     bool is_digital = false;

  714.     

  715.     /* Get a list of all the streams on this device */

  716.     AudioObjectPropertyAddress streamsAddress = { kAudioDevicePropertyStreams, kAudioDevicePropertyScopeOutput, kAudioObjectPropertyElementMaster };

  717.     err = AudioObjectGetPropertyDataSize(device, &streamsAddress, 0, NULL, &outSize1);

  718.     if (err != noErr) {

  719.         jack_error("IsDigitalDevice kAudioDevicePropertyStreams err = %d", err);

  720.         return false;

  721.     }

  722.     

  723.     int stream_count = outSize1 / sizeof(AudioStreamID);

  724.     AudioStreamID streamIDs[stream_count];

  725.     

  726.     err = AudioObjectGetPropertyData(device, &streamsAddress, 0, NULL, &outSize1, streamIDs);

  727. 

  728.     if (err != noErr) {

  729.         jack_error("IsDigitalDevice kAudioDevicePropertyStreams list err = %d", err);

  730.         return false;

  731.     }

  732.     

  733.     AudioObjectPropertyAddress physicalFormatsAddress = { kAudioStreamPropertyAvailablePhysicalFormats, kAudioObjectPropertyScopeGlobal, 0 };

  734.      

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

  736.    

  737.         /* Find a stream with a cac3 stream */

  738.         int  format_num = 0;

  739.     

  740.         /* Retrieve all the stream formats supported by each output stream */

  741.         err = AudioObjectGetPropertyDataSize(streamIDs[i], &physicalFormatsAddress, 0, NULL, &outSize1);

  742.         

  743.         if (err != noErr) {

  744.             jack_error("IsDigitalDevice kAudioStreamPropertyAvailablePhysicalFormats err = %d", err);

  745.             return false;

  746.         }

  747. 

  748.         format_num = outSize1 / sizeof(AudioStreamRangedDescription);

  749.         AudioStreamRangedDescription format_list[format_num];

  750.       

  751.         err = AudioObjectGetPropertyData(streamIDs[i], &physicalFormatsAddress, 0, NULL, &outSize1, format_list);

  752.          

  753.         if (err != noErr) {

  754.             jack_error("IsDigitalDevice could not get the list of streamformats err = %d", err);

  755.             return false;

  756.         }

  757.    

  758.         /* Check if one of the supported formats is a digital format */

  759.         for (int j = 0; j < format_num; j++) {

  760.         

  761.             PrintStreamDesc(&format_list[j].mFormat);

  762.             

  763.             if (format_list[j].mFormat.mFormatID == 'IAC3' ||

  764.                 format_list[j].mFormat.mFormatID == 'iac3' ||

  765.                 format_list[j].mFormat.mFormatID == kAudioFormat60958AC3 ||

  766.                 format_list[j].mFormat.mFormatID == kAudioFormatAC3)

  767.             {

  768.                 is_digital = true;

  769.                 break;

  770.             }

  771.         }

  772.     }

  773.        

  774.     return is_digital;

  775. }

  776. 

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

  778.         : JackAudioDriver(name, alias, engine, table),

  779.         fAC3Encoder(NULL),

  780.         fJackInputData(NULL),

  781.         fDriverOutputData(NULL),

  782.         fPluginID(0),

  783.         fState(false),

  784.         fHogged(false),

  785.         fIOUsage(1.f),

  786.         fComputationGrain(-1.f),

  787.         fClockDriftCompensate(false),

  788.         fDigitalPlayback(false)

  789. {}

  790. 

  791. JackCoreAudioDriver::~JackCoreAudioDriver()

  792. {

  793.     delete fAC3Encoder;

  794. }

  795. 

  796. OSStatus JackCoreAudioDriver::DestroyAggregateDevice()

  797. {

  798.     OSStatus osErr = noErr;

  799.     AudioObjectPropertyAddress pluginAOPA;

  800.     pluginAOPA.mSelector = kAudioPlugInDestroyAggregateDevice;

  801.     pluginAOPA.mScope = kAudioObjectPropertyScopeGlobal;

  802.     pluginAOPA.mElement = kAudioObjectPropertyElementMaster;

  803.     UInt32 outDataSize;

  804. 

  805.     if (fPluginID > 0) {

  806. 

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

  808.         if (osErr != noErr) {

  809.             jack_error("DestroyAggregateDevice : AudioObjectGetPropertyDataSize error");

  810.             printError(osErr);

  811.             return osErr;

  812.         }

  813. 

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

  815.         if (osErr != noErr) {

  816.             jack_error("DestroyAggregateDevice : AudioObjectGetPropertyData error");

  817.             printError(osErr);

  818.             return osErr;

  819.         }

  820. 

  821.     }

  822. 

  823.     return noErr;

  824. }

  825. 

  826. OSStatus JackCoreAudioDriver::CreateAggregateDevice(AudioDeviceID captureDeviceID, AudioDeviceID playbackDeviceID, jack_nframes_t samplerate, AudioDeviceID* outAggregateDevice)

  827. {

  828.     OSStatus err = noErr;

  829.     AudioObjectID sub_device[32];

  830.     UInt32 outSize = sizeof(sub_device);

  831. 

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

  833.     vector<AudioDeviceID> captureDeviceIDArray;

  834. 

  835.     if (err != noErr) {

  836.         jack_log("JackCoreAudioDriver::CreateAggregateDevice : input device does not have subdevices");

  837.         captureDeviceIDArray.push_back(captureDeviceID);

  838.     } else {

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

  840.         jack_log("JackCoreAudioDriver::CreateAggregateDevice :Input device has %d subdevices", num_devices);

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

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

  843.         }

  844.     }

  845. 

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

  847.     vector<AudioDeviceID> playbackDeviceIDArray;

  848. 

  849.     if (err != noErr) {

  850.         jack_log("JackCoreAudioDriver::CreateAggregateDevice : output device does not have subdevices");

  851.         playbackDeviceIDArray.push_back(playbackDeviceID);

  852.     } else {

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

  854.         jack_log("JackCoreAudioDriver::CreateAggregateDevice : output device has %d subdevices", num_devices);

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

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

  857.         }

  858.     }

  859. 

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

  861. }

  862. 

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

  864. {

  865.     OSStatus osErr = noErr;

  866.     UInt32 outSize;

  867.     Boolean outWritable;

  868. 

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

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

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

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

  873.     UInt32 theQualifierDataSize = sizeof(AudioObjectID);

  874.     AudioClassID inClass = kAudioSubDeviceClassID;

  875.     void* theQualifierData = &inClass;

  876.     UInt32 subDevicesNum = 0;

  877. 

  878.     //---------------------------------------------------------------------------

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

  880.     //---------------------------------------------------------------------------

  881.     UInt32 keptclockdomain = 0;

  882.     UInt32 clockdomain = 0;

  883.     outSize = sizeof(UInt32);

  884.     bool need_clock_drift_compensation = false;

  885. 

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

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

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

  889.         } else  {

  890.             // Check clock domain

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

  892.             if (osErr != 0) {

  893.                 jack_error("CreateAggregateDevice : kAudioDevicePropertyClockDomain error");

  894.                 printError(osErr);

  895.             } else {

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

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

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

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

  900.                     need_clock_drift_compensation = true;

  901.                 }

  902.             }

  903.         }

  904.     }

  905. 

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

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

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

  909.         } else {

  910.             // Check clock domain

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

  912.             if (osErr != 0) {

  913.                 jack_error("CreateAggregateDevice : kAudioDevicePropertyClockDomain error");

  914.                 printError(osErr);

  915.             } else {

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

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

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

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

  920.                     need_clock_drift_compensation = true;

  921.                 }

  922.             }

  923.         }

  924.     }

  925. 

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

  927.     if (keptclockdomain == 0) {

  928.         need_clock_drift_compensation = true;

  929.     }

  930. 

  931.     //---------------------------------------------------------------------------

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

  933.     //---------------------------------------------------------------------------

  934. 

  935.     char device_name[256];

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

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

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

  939.     }

  940. 

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

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

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

  944.     }

  945. 

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

  947.     if (osErr != noErr) {

  948.         jack_error("CreateAggregateDevice : AudioHardwareGetPropertyInfo kAudioHardwarePropertyPlugInForBundleID error");

  949.         printError(osErr);

  950.         return osErr;

  951.     }

  952. 

  953.     AudioValueTranslation pluginAVT;

  954. 

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

  956. 

  957.     pluginAVT.mInputData = &inBundleRef;

  958.     pluginAVT.mInputDataSize = sizeof(inBundleRef);

  959.     pluginAVT.mOutputData = &fPluginID;

  960.     pluginAVT.mOutputDataSize = sizeof(fPluginID);

  961. 

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

  963.     if (osErr != noErr) {

  964.         jack_error("CreateAggregateDevice : AudioHardwareGetProperty kAudioHardwarePropertyPlugInForBundleID error");

  965.         printError(osErr);

  966.         return osErr;

  967.     }

  968. 

  969.     //-------------------------------------------------

  970.     // Create a CFDictionary for our aggregate device

  971.     //-------------------------------------------------

  972. 

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

  974. 

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

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

  977. 

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

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

  980. 

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

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

  983. 

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

  985.     int value = 1;

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

  987. 

  988.     SInt32 system;

  989.     Gestalt(gestaltSystemVersion, &system);

  990. 

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

  992. 

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

  994.     if (system < 0x00001054) {

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

  996.     } else {

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

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

  999.     }

  1000. 

  1001.     // Prepare sub-devices for clock drift compensation

  1002.     CFMutableArrayRef subDevicesArrayClock = NULL;

  1003. 

  1004.     /*

  1005.     if (fClockDriftCompensate) {

  1006.         if (need_clock_drift_compensation) {

  1007.             jack_info("Clock drift compensation activated...");

  1008.             subDevicesArrayClock = CFArrayCreateMutable(NULL, 0, &kCFTypeArrayCallBacks);

  1009. 

  1010.             for (UInt32 i = 0; i < captureDeviceID.size(); i++) {

  1011.                 CFStringRef UID = GetDeviceName(captureDeviceID[i]);

  1012.                 if (UID) {

  1013.                     CFMutableDictionaryRef subdeviceAggDeviceDict = CFDictionaryCreateMutable(NULL, 0, &kCFTypeDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks);

  1014.                     CFDictionaryAddValue(subdeviceAggDeviceDict, CFSTR(kAudioSubDeviceUIDKey), UID);

  1015.                     CFDictionaryAddValue(subdeviceAggDeviceDict, CFSTR(kAudioSubDeviceDriftCompensationKey), AggregateDeviceNumberRef);

  1016.                     //CFRelease(UID);

  1017.                     CFArrayAppendValue(subDevicesArrayClock, subdeviceAggDeviceDict);

  1018.                 }

  1019.             }

  1020. 

  1021.             for (UInt32 i = 0; i < playbackDeviceID.size(); i++) {

  1022.                 CFStringRef UID = GetDeviceName(playbackDeviceID[i]);

  1023.                 if (UID) {

  1024.                     CFMutableDictionaryRef subdeviceAggDeviceDict = CFDictionaryCreateMutable(NULL, 0, &kCFTypeDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks);

  1025.                     CFDictionaryAddValue(subdeviceAggDeviceDict, CFSTR(kAudioSubDeviceUIDKey), UID);

  1026.                     CFDictionaryAddValue(subdeviceAggDeviceDict, CFSTR(kAudioSubDeviceDriftCompensationKey), AggregateDeviceNumberRef);

  1027.                     //CFRelease(UID);

  1028.                     CFArrayAppendValue(subDevicesArrayClock, subdeviceAggDeviceDict);

  1029.                 }

  1030.             }

  1031. 

  1032.             // add sub-device clock array for the aggregate device to the dictionary

  1033.             CFDictionaryAddValue(aggDeviceDict, CFSTR(kAudioAggregateDeviceSubDeviceListKey), subDevicesArrayClock);

  1034.         } else {

  1035.             jack_info("Clock drift compensation was asked but is not needed (devices use the same clock domain)");

  1036.         }

  1037.     }

  1038.     */

  1039. 

  1040.     //-------------------------------------------------

  1041.     // Create a CFMutableArray for our sub-device list

  1042.     //-------------------------------------------------

  1043. 

  1044.     // we need to append the UID for each device to a CFMutableArray, so create one here

  1045.     CFMutableArrayRef subDevicesArray = CFArrayCreateMutable(NULL, 0, &kCFTypeArrayCallBacks);

  1046. 

  1047.     vector<CFStringRef> captureDeviceUID;

  1048.     for (UInt32 i = 0; i < captureDeviceID.size(); i++) {

  1049.         CFStringRef ref = GetDeviceName(captureDeviceID[i]);

  1050.         if (ref == NULL) {

  1051.             return -1;

  1052.         }

  1053.         captureDeviceUID.push_back(ref);

  1054.         // input sub-devices in this example, so append the sub-device's UID to the CFArray

  1055.         CFArrayAppendValue(subDevicesArray, ref);

  1056.    }

  1057. 

  1058.     vector<CFStringRef> playbackDeviceUID;

  1059.     for (UInt32 i = 0; i < playbackDeviceID.size(); i++) {

  1060.         CFStringRef ref = GetDeviceName(playbackDeviceID[i]);

  1061.         if (ref == NULL) {

  1062.             return -1;

  1063.         }

  1064.         playbackDeviceUID.push_back(ref);

  1065.         // output sub-devices in this example, so append the sub-device's UID to the CFArray

  1066.         CFArrayAppendValue(subDevicesArray, ref);

  1067.     }

  1068. 

  1069.     //-----------------------------------------------------------------------

  1070.     // Feed the dictionary to the plugin, to create a blank aggregate device

  1071.     //-----------------------------------------------------------------------

  1072. 

  1073.     AudioObjectPropertyAddress pluginAOPA;

  1074.     pluginAOPA.mSelector = kAudioPlugInCreateAggregateDevice;

  1075.     pluginAOPA.mScope = kAudioObjectPropertyScopeGlobal;

  1076.     pluginAOPA.mElement = kAudioObjectPropertyElementMaster;

  1077.     UInt32 outDataSize;

  1078. 

  1079.     osErr = AudioObjectGetPropertyDataSize(fPluginID, &pluginAOPA, 0, NULL, &outDataSize);

  1080.     if (osErr != noErr) {

  1081.         jack_error("CreateAggregateDevice : AudioObjectGetPropertyDataSize error");

  1082.         printError(osErr);

  1083.         goto error;

  1084.     }

  1085. 

  1086.     osErr = AudioObjectGetPropertyData(fPluginID, &pluginAOPA, sizeof(aggDeviceDict), &aggDeviceDict, &outDataSize, outAggregateDevice);

  1087.     if (osErr != noErr) {

  1088.         jack_error("CreateAggregateDevice : AudioObjectGetPropertyData error");

  1089.         printError(osErr);

  1090.         goto error;

  1091.     }

  1092. 

  1093.     // pause for a bit to make sure that everything completed correctly

  1094.     // this is to work around a bug in the HAL where a new aggregate device seems to disappear briefly after it is created

  1095.     CFRunLoopRunInMode(kCFRunLoopDefaultMode, 0.1, false);

  1096. 

  1097.     //-------------------------

  1098.     // Set the sub-device list

  1099.     //-------------------------

  1100. 

  1101.     pluginAOPA.mSelector = kAudioAggregateDevicePropertyFullSubDeviceList;

  1102.     pluginAOPA.mScope = kAudioObjectPropertyScopeGlobal;

  1103.     pluginAOPA.mElement = kAudioObjectPropertyElementMaster;

  1104.     outDataSize = sizeof(CFMutableArrayRef);

  1105.     osErr = AudioObjectSetPropertyData(*outAggregateDevice, &pluginAOPA, 0, NULL, outDataSize, &subDevicesArray);

  1106.     if (osErr != noErr) {

  1107.         jack_error("CreateAggregateDevice : AudioObjectSetPropertyData for sub-device list error");

  1108.         printError(osErr);

  1109.         goto error;

  1110.     }

  1111. 

  1112.     // pause again to give the changes time to take effect

  1113.     CFRunLoopRunInMode(kCFRunLoopDefaultMode, 0.1, false);

  1114. 

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

  1116.     // Set the master device

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

  1118. 

  1119.     // set the master device manually (this is the device which will act as the master clock for the aggregate device)

  1120.     // pass in the UID of the device you want to use

  1121.     pluginAOPA.mSelector = kAudioAggregateDevicePropertyMasterSubDevice;

  1122.     pluginAOPA.mScope = kAudioObjectPropertyScopeGlobal;

  1123.     pluginAOPA.mElement = kAudioObjectPropertyElementMaster;

  1124.     outDataSize = sizeof(CFStringRef);

  1125.     osErr = AudioObjectSetPropertyData(*outAggregateDevice, &pluginAOPA, 0, NULL, outDataSize, &captureDeviceUID[0]);  // First apture is master...

  1126.     if (osErr != noErr) {

  1127.         jack_error("CreateAggregateDevice : AudioObjectSetPropertyData for master device error");

  1128.         printError(osErr);

  1129.         goto error;

  1130.     }

  1131. 

  1132.     // pause again to give the changes time to take effect

  1133.     CFRunLoopRunInMode(kCFRunLoopDefaultMode, 0.1, false);

  1134. 

  1135.     // Prepare sub-devices for clock drift compensation

  1136.     // Workaround for bug in the HAL : until 10.6.2

  1137. 

  1138.     if (fClockDriftCompensate) {

  1139.         if (need_clock_drift_compensation) {

  1140.             jack_info("Clock drift compensation activated...");

  1141. 

  1142.             // Get the property data size

  1143.             osErr = AudioObjectGetPropertyDataSize(*outAggregateDevice, &theAddressOwned, theQualifierDataSize, theQualifierData, &outSize);

  1144.             if (osErr != noErr) {

  1145.                 jack_error("CreateAggregateDevice kAudioObjectPropertyOwnedObjects error");

  1146.                 printError(osErr);

  1147.             }

  1148. 

  1149.             //	Calculate the number of object IDs

  1150.             subDevicesNum = outSize / sizeof(AudioObjectID);

  1151.             jack_info("JackCoreAudioDriver::CreateAggregateDevice clock drift compensation, number of sub-devices = %d", subDevicesNum);

  1152.             AudioObjectID subDevices[subDevicesNum];

  1153.             outSize = sizeof(subDevices);

  1154. 

  1155.             osErr = AudioObjectGetPropertyData(*outAggregateDevice, &theAddressOwned, theQualifierDataSize, theQualifierData, &outSize, subDevices);

  1156.             if (osErr != noErr) {

  1157.                 jack_error("CreateAggregateDevice kAudioObjectPropertyOwnedObjects error");

  1158.                 printError(osErr);

  1159.             }

  1160. 

  1161.             // Set kAudioSubDevicePropertyDriftCompensation property...

  1162.             for (UInt32 index = 0; index < subDevicesNum; ++index) {

  1163.                 UInt32 theDriftCompensationValue = 1;

  1164.                 osErr = AudioObjectSetPropertyData(subDevices[index], &theAddressDrift, 0, NULL, sizeof(UInt32), &theDriftCompensationValue);

  1165.                 if (osErr != noErr) {

  1166.                     jack_error("CreateAggregateDevice kAudioSubDevicePropertyDriftCompensation error");

  1167.                     printError(osErr);

  1168.                 }

  1169.             }

  1170.         } else {

  1171.             jack_info("Clock drift compensation was asked but is not needed (devices use the same clock domain)");

  1172.         }

  1173.     }

  1174. 

  1175.     // pause again to give the changes time to take effect

  1176.     CFRunLoopRunInMode(kCFRunLoopDefaultMode, 0.1, false);

  1177. 

  1178.     //----------

  1179.     // Clean up

  1180.     //----------

  1181. 

  1182.     // release the private AD key

  1183.     CFRelease(AggregateDeviceNumberRef);

  1184. 

  1185.     // release the CF objects we have created - we don't need them any more

  1186.     CFRelease(aggDeviceDict);

  1187.     CFRelease(subDevicesArray);

  1188. 

  1189.     if (subDevicesArrayClock) {

  1190.         CFRelease(subDevicesArrayClock);

  1191.     }

  1192. 

  1193.     // release the device UID

  1194.     for (UInt32 i = 0; i < captureDeviceUID.size(); i++) {

  1195.         CFRelease(captureDeviceUID[i]);

  1196.     }

  1197. 

  1198.     for (UInt32 i = 0; i < playbackDeviceUID.size(); i++) {

  1199.         CFRelease(playbackDeviceUID[i]);

  1200.     }

  1201. 

  1202.     jack_log("JackCoreAudioDriver::CreateAggregateDeviceAux : new aggregate device %ld", *outAggregateDevice);

  1203.     return noErr;

  1204. 

  1205. error:

  1206.     DestroyAggregateDevice();

  1207.     return -1;

  1208. }

  1209. 

  1210. int JackCoreAudioDriver::SetupDevices(const char* capture_driver_uid,

  1211.                                       const char* playback_driver_uid,

  1212.                                       char* capture_driver_name,

  1213.                                       char* playback_driver_name,

  1214.                                       jack_nframes_t samplerate,

  1215.                                       bool ac3_encoding)

  1216. {

  1217.     capture_driver_name[0] = 0;

  1218.     playback_driver_name[0] = 0;

  1219. 

  1220.     // Duplex

  1221.     if (strcmp(capture_driver_uid, "") != 0 && strcmp(playback_driver_uid, "") != 0) {

  1222.         jack_log("JackCoreAudioDriver::SetupDevices : duplex");

  1223. 

  1224.         // Same device for capture and playback...

  1225.         if (strcmp(capture_driver_uid, playback_driver_uid) == 0)  {

  1226. 

  1227.             if (GetDeviceIDFromUID(playback_driver_uid, &fDeviceID) != noErr) {

  1228.                 jack_log("JackCoreAudioDriver::SetupDevices : will take default in/out");

  1229.                 if (GetDefaultDevice(&fDeviceID) != noErr) {

  1230.                     jack_error("Cannot open default device");

  1231.                     return -1;

  1232.                 }

  1233.             }

  1234.             if (GetDeviceNameFromID(fDeviceID, capture_driver_name) != noErr || GetDeviceNameFromID(fDeviceID, playback_driver_name) != noErr) {

  1235.                 jack_error("Cannot get device name from device ID");

  1236.                 return -1;

  1237.             }

  1238.             

  1239.             if (fHogged) {

  1240.                 if (!TakeHogAux(fDeviceID, false)) {

  1241.                     jack_error("Cannot take hog mode");

  1242.                 } 

  1243.                 if (ac3_encoding) {

  1244.                     fDigitalPlayback = IsDigitalDevice(fDeviceID);

  1245.                 }

  1246.             }

  1247. 

  1248.         } else {

  1249. 

  1250.             // Creates aggregate device

  1251.             AudioDeviceID captureID = -1;

  1252.             AudioDeviceID playbackID = -1;

  1253.     

  1254.             if (GetDeviceIDFromUID(capture_driver_uid, &captureID) != noErr) {

  1255.                 jack_log("JackCoreAudioDriver::SetupDevices : will take default input");

  1256.                 if (GetDefaultInputDevice(&captureID) != noErr) {

  1257.                     jack_error("Cannot open default input device");

  1258.                     return -1;

  1259.                 }

  1260.             }

  1261. 

  1262.             if (GetDeviceIDFromUID(playback_driver_uid, &playbackID) != noErr) {

  1263.                 jack_log("JackCoreAudioDriver::SetupDevices : will take default output");

  1264.                 if (GetDefaultOutputDevice(&playbackID) != noErr) {

  1265.                     jack_error("Cannot open default output device");

  1266.                     return -1;

  1267.                 }

  1268.             }

  1269. 

  1270.             if (CreateAggregateDevice(captureID, playbackID, samplerate, &fDeviceID) != noErr) {

  1271.                 return -1;

  1272.             }

  1273. 

  1274.             GetDeviceNameFromID(captureID, fCaptureUID);

  1275.             GetDeviceNameFromID(playbackID, fPlaybackUID);

  1276.             

  1277.             if (fHogged) {

  1278.                 if (!TakeHogAux(captureID, true)) {

  1279.                     jack_error("Cannot take hog mode for capture device");

  1280.                 }

  1281.                 if (!TakeHogAux(playbackID, false)) {

  1282.                     jack_error("Cannot take hog mode for playback device");

  1283.                 }

  1284.                 if (ac3_encoding) {

  1285.                     fDigitalPlayback = IsDigitalDevice(playbackID);

  1286.                 }

  1287.             }

  1288.             

  1289.         }

  1290. 

  1291.     // Capture only

  1292.     } else if (strcmp(capture_driver_uid, "") != 0) {

  1293.         jack_log("JackCoreAudioDriver::SetupDevices : capture only");

  1294.         if (GetDeviceIDFromUID(capture_driver_uid, &fDeviceID) != noErr) {

  1295.             jack_log("JackCoreAudioDriver::SetupDevices : will take default input");

  1296.             if (GetDefaultInputDevice(&fDeviceID) != noErr) {

  1297.                 jack_error("Cannot open default input device");

  1298.                 return -1;

  1299.             }

  1300.         }

  1301.         if (GetDeviceNameFromID(fDeviceID, capture_driver_name) != noErr) {

  1302.             jack_error("Cannot get device name from device ID");

  1303.             return -1;

  1304.         }

  1305.         

  1306.         if (fHogged) {

  1307.             if (!TakeHogAux(fDeviceID, true)) {

  1308.                 jack_error("Cannot take hog mode for capture device");

  1309.             }

  1310.         }

  1311. 

  1312.     // Playback only

  1313.     } else if (strcmp(playback_driver_uid, "") != 0) {

  1314.         jack_log("JackCoreAudioDriver::SetupDevices : playback only");

  1315.         if (GetDeviceIDFromUID(playback_driver_uid, &fDeviceID) != noErr) {

  1316.             jack_log("JackCoreAudioDriver::SetupDevices : will take default output");

  1317.             if (GetDefaultOutputDevice(&fDeviceID) != noErr) {

  1318.                 jack_error("Cannot open default output device");

  1319.                 return -1;

  1320.             }

  1321.         }

  1322.         if (GetDeviceNameFromID(fDeviceID, playback_driver_name) != noErr) {

  1323.             jack_error("Cannot get device name from device ID");

  1324.             return -1;

  1325.         }

  1326.         

  1327.         if (fHogged) {

  1328.             if (!TakeHogAux(fDeviceID, false)) {

  1329.                 jack_error("Cannot take hog mode for playback device");

  1330.             }

  1331.             if (ac3_encoding) {

  1332.                 fDigitalPlayback = IsDigitalDevice(fDeviceID);

  1333.             }

  1334.         }

  1335. 

  1336.     // Use default driver in duplex mode

  1337.     } else {

  1338.         jack_log("JackCoreAudioDriver::SetupDevices : default driver");

  1339.         if (GetDefaultDevice(&fDeviceID) != noErr) {

  1340.             jack_error("Cannot open default device in duplex mode, so aggregate default input and default output");

  1341. 

  1342.             // Creates aggregate device

  1343.             AudioDeviceID captureID = -1;

  1344.             AudioDeviceID playbackID = -1;

  1345.             

  1346.             if (GetDeviceIDFromUID(capture_driver_uid, &captureID) != noErr) {

  1347.                 jack_log("JackCoreAudioDriver::SetupDevices : will take default input");

  1348.                 if (GetDefaultInputDevice(&captureID) != noErr) {

  1349.                     jack_error("Cannot open default input device");

  1350.                     return -1;

  1351.                 }

  1352.             }

  1353. 

  1354.             if (GetDeviceIDFromUID(playback_driver_uid, &playbackID) != noErr) {

  1355.                 jack_log("JackCoreAudioDriver::SetupDevices : will take default output");

  1356.                 if (GetDefaultOutputDevice(&playbackID) != noErr) {

  1357.                     jack_error("Cannot open default output device");

  1358.                     return -1;

  1359.                 }

  1360.             }

  1361. 

  1362.             if (CreateAggregateDevice(captureID, playbackID, samplerate, &fDeviceID) != noErr) {

  1363.                 return -1;

  1364.             }

  1365. 

  1366.             GetDeviceNameFromID(captureID, fCaptureUID);

  1367.             GetDeviceNameFromID(playbackID, fPlaybackUID);

  1368.             

  1369.             if (fHogged) {

  1370.                 if (!TakeHogAux(captureID, true)) {

  1371.                     jack_error("Cannot take hog mode for capture device");

  1372.                 }

  1373.                 if (!TakeHogAux(playbackID, false)) {

  1374.                     jack_error("Cannot take hog mode for playback device");

  1375.                 }

  1376.                 if (ac3_encoding) {

  1377.                     fDigitalPlayback = IsDigitalDevice(playbackID);

  1378.                 }

  1379.             }

  1380.         }

  1381.     }

  1382.      

  1383.     return 0;

  1384. }

  1385. 

  1386. /*

  1387. Return the max possible input channels in in_nChannels and output channels in out_nChannels.

  1388. */

  1389. int JackCoreAudioDriver::SetupChannels(bool capturing, bool playing, int& inchannels, int& outchannels, int& in_nChannels, int& out_nChannels, bool strict)

  1390. {

  1391.     OSStatus err = noErr;

  1392. 

  1393.     if (capturing) {

  1394.         err = GetTotalChannels(fDeviceID, in_nChannels, true);

  1395.         if (err != noErr) {

  1396.             jack_error("SetupChannels : cannot get input channel number");

  1397.             printError(err);

  1398.             return -1;

  1399.         } else {

  1400.             jack_log("JackCoreAudioDriver::SetupChannels : max input channels : %d", in_nChannels);

  1401.         }

  1402.     }

  1403. 

  1404.     if (playing) {

  1405.         err = GetTotalChannels(fDeviceID, out_nChannels, false);

  1406.         if (err != noErr) {

  1407.             jack_error("Cannot get output channel number");

  1408.             printError(err);

  1409.             return -1;

  1410.         } else {

  1411.             jack_log("JackCoreAudioDriver::SetupChannels : max output channels : %d", out_nChannels);

  1412.         }

  1413.     }

  1414. 

  1415.     if (inchannels > in_nChannels) {

  1416.         jack_error("This device hasn't required input channels inchannels = %d in_nChannels = %d", inchannels, in_nChannels);

  1417.         if (strict) {

  1418.             return -1;

  1419.         }

  1420.     }

  1421. 

  1422.     if (outchannels > out_nChannels) {

  1423.         jack_error("This device hasn't required output channels outchannels = %d out_nChannels = %d", outchannels, out_nChannels);

  1424.         if (strict) {

  1425.             return -1;

  1426.         }

  1427.     }

  1428. 

  1429.     if (inchannels == -1) {

  1430.         jack_log("JackCoreAudioDriver::SetupChannels : setup max in channels = %d", in_nChannels);

  1431.         inchannels = in_nChannels;

  1432.     }

  1433. 

  1434.     if (outchannels == -1) {

  1435.         jack_log("JackCoreAudioDriver::SetupChannels : setup max out channels = %d", out_nChannels);

  1436.         outchannels = out_nChannels;

  1437.     }

  1438. 

  1439.     return 0;

  1440. }

  1441. 

  1442. int JackCoreAudioDriver::SetupBufferSize(jack_nframes_t buffer_size)

  1443. {

  1444.     // Setting buffer size

  1445.     OSStatus err = noErr;

  1446.     UInt32 tmp_buffer_size = buffer_size;

  1447.     UInt32 outSize = sizeof(UInt32);

  1448. 

  1449.     err = AudioDeviceGetProperty(fDeviceID, 0, kAudioDeviceSectionGlobal, kAudioDevicePropertyBufferFrameSize, &outSize, &tmp_buffer_size);

  1450.     if (err != noErr) {

  1451.         jack_error("Cannot get buffer size %ld", buffer_size);

  1452.         printError(err);

  1453.         return -1;

  1454.     } else {

  1455.         jack_log("JackCoreAudioDriver::SetupBufferSize : current buffer size = %ld", tmp_buffer_size);

  1456.     }

  1457. 

  1458.     // If needed, set new buffer size

  1459.     if (buffer_size != tmp_buffer_size) {

  1460.         tmp_buffer_size = buffer_size;

  1461. 

  1462.         // To get BS change notification

  1463.         err = AudioDeviceAddPropertyListener(fDeviceID, 0, true, kAudioDevicePropertyBufferFrameSize, BSNotificationCallback, this);

  1464.         if (err != noErr) {

  1465.             jack_error("Error calling AudioDeviceAddPropertyListener with kAudioDevicePropertyBufferFrameSize");

  1466.             printError(err);

  1467.             return -1;

  1468.         }

  1469. 

  1470.         // Waiting for BS change notification

  1471.         int count = 0;

  1472.         fState = false;

  1473. 

  1474.         err = AudioDeviceSetProperty(fDeviceID, NULL, 0, kAudioDeviceSectionGlobal, kAudioDevicePropertyBufferFrameSize, outSize, &tmp_buffer_size);

  1475.         if (err != noErr) {

  1476.             jack_error("SetupBufferSize : cannot set buffer size = %ld", tmp_buffer_size);

  1477.             printError(err);

  1478.             goto error;

  1479.         }

  1480. 

  1481.         while (!fState && count++ < WAIT_NOTIFICATION_COUNTER) {

  1482.             usleep(100000);

  1483.             jack_log("JackCoreAudioDriver::SetupBufferSize : wait count = %d", count);

  1484.         }

  1485. 

  1486.         if (count >= WAIT_NOTIFICATION_COUNTER) {

  1487.             jack_error("Did not get buffer size notification...");

  1488.             goto error;

  1489.         }

  1490. 

  1491.         // Check new buffer size

  1492.         outSize = sizeof(UInt32);

  1493.         err = AudioDeviceGetProperty(fDeviceID, 0, kAudioDeviceSectionGlobal, kAudioDevicePropertyBufferFrameSize, &outSize, &tmp_buffer_size);

  1494.         if (err != noErr) {

  1495.             jack_error("Cannot get current buffer size");

  1496.             printError(err);

  1497.         } else {

  1498.             jack_log("JackCoreAudioDriver::SetupBufferSize : checked buffer size = %ld", tmp_buffer_size);

  1499.         }

  1500. 

  1501.         // Remove BS change notification

  1502.         AudioDeviceRemovePropertyListener(fDeviceID, 0, true, kAudioDevicePropertyBufferFrameSize, BSNotificationCallback);

  1503.     }

  1504. 

  1505.     return 0;

  1506. 

  1507. error:

  1508. 

  1509.     // Remove BS change notification

  1510.     AudioDeviceRemovePropertyListener(fDeviceID, 0, true, kAudioDevicePropertyBufferFrameSize, BSNotificationCallback);

  1511.     return -1;

  1512. 

  1513. }

  1514. 

  1515. int JackCoreAudioDriver::SetupSampleRate(jack_nframes_t sample_rate)

  1516. {

  1517.     return SetupSampleRateAux(fDeviceID, sample_rate);

  1518. }

  1519. 

  1520. int JackCoreAudioDriver::SetupSampleRateAux(AudioDeviceID inDevice, jack_nframes_t sample_rate)

  1521. {

  1522.     OSStatus err = noErr;

  1523.     UInt32 outSize;

  1524.     Float64 tmp_sample_rate;

  1525. 

  1526.     // Get sample rate

  1527.     outSize =  sizeof(Float64);

  1528.     err = AudioDeviceGetProperty(inDevice, 0, kAudioDeviceSectionGlobal, kAudioDevicePropertyNominalSampleRate, &outSize, &tmp_sample_rate);

  1529.     if (err != noErr) {

  1530.         jack_error("Cannot get current sample rate");

  1531.         printError(err);

  1532.         return -1;

  1533.     } else {

  1534.         jack_log("JackCoreAudioDriver::SetupSampleRateAux : current sample rate = %f", tmp_sample_rate);

  1535.     }

  1536. 

  1537.     // If needed, set new sample rate

  1538.     if (sample_rate != (jack_nframes_t)tmp_sample_rate) {

  1539.         tmp_sample_rate = (Float64)sample_rate;

  1540. 

  1541.         // To get SR change notification

  1542.         err = AudioDeviceAddPropertyListener(inDevice, 0, true, kAudioDevicePropertyNominalSampleRate, SRNotificationCallback, this);

  1543.         if (err != noErr) {

  1544.             jack_error("Error calling AudioDeviceAddPropertyListener with kAudioDevicePropertyNominalSampleRate");

  1545.             printError(err);

  1546.             return -1;

  1547.         }

  1548. 

  1549.         // Waiting for SR change notification

  1550.         int count = 0;

  1551.         fState = false;

  1552. 

  1553.         err = AudioDeviceSetProperty(inDevice, NULL, 0, kAudioDeviceSectionGlobal, kAudioDevicePropertyNominalSampleRate, outSize, &tmp_sample_rate);

  1554.         if (err != noErr) {

  1555.             jack_error("Cannot set sample rate = %ld", sample_rate);

  1556.             printError(err);

  1557.             goto error;

  1558.         }

  1559. 

  1560.         while (!fState && count++ < WAIT_NOTIFICATION_COUNTER) {

  1561.             usleep(100000);

  1562.             jack_log("JackCoreAudioDriver::SetupSampleRateAux : wait count = %d", count);

  1563.         }

  1564. 

  1565.         if (count >= WAIT_NOTIFICATION_COUNTER) {

  1566.             jack_error("Did not get sample rate notification...");

  1567.             goto error;

  1568.         }

  1569. 

  1570.         // Check new sample rate

  1571.         outSize = sizeof(Float64);

  1572.         err = AudioDeviceGetProperty(inDevice, 0, kAudioDeviceSectionGlobal, kAudioDevicePropertyNominalSampleRate, &outSize, &tmp_sample_rate);

  1573.         if (err != noErr) {

  1574.             jack_error("Cannot get current sample rate");

  1575.             printError(err);

  1576.         } else {

  1577.             jack_log("JackCoreAudioDriver::SetupSampleRateAux : checked sample rate = %f", tmp_sample_rate);

  1578.         }

  1579. 

  1580.         // Remove SR change notification

  1581.         AudioDeviceRemovePropertyListener(inDevice, 0, true, kAudioDevicePropertyNominalSampleRate, SRNotificationCallback);

  1582.     }

  1583. 

  1584.     return 0;

  1585. 

  1586. error:

  1587. 

  1588.     // Remove SR change notification

  1589.     AudioDeviceRemovePropertyListener(inDevice, 0, true, kAudioDevicePropertyNominalSampleRate, SRNotificationCallback);

  1590.     return -1;

  1591. }

  1592. 

  1593. int JackCoreAudioDriver::OpenAUHAL(bool capturing,

  1594.                                    bool playing,

  1595.                                    int inchannels,

  1596.                                    int outchannels,

  1597.                                    int in_nChannels,

  1598.                                    int out_nChannels,

  1599.                                    const vector<int>& chan_in_list,

  1600.                                    const vector<int>& chan_out_list,

  1601.                                    jack_nframes_t buffer_size,

  1602.                                    jack_nframes_t sample_rate)

  1603. {

  1604.     ComponentResult err1;

  1605.     UInt32 enableIO;

  1606.     AudioStreamBasicDescription srcFormat, dstFormat;

  1607.     AudioDeviceID currAudioDeviceID;

  1608.     UInt32 size;

  1609. 

  1610.     jack_log("JackCoreAudioDriver::OpenAUHAL : capturing = %d playing = %d inchannels = %d outchannels = %d in_nChannels = %d out_nChannels = %d chan_in_list = %d chan_out_list = %d",

  1611.         capturing, playing, inchannels, outchannels, in_nChannels, out_nChannels, chan_in_list.size(), chan_out_list.size());

  1612. 

  1613.     if (inchannels == 0 && outchannels == 0) {

  1614.         jack_error("No input and output channels...");

  1615.         return -1;

  1616.     }

  1617. 

  1618.     // AUHAL

  1619.     ComponentDescription cd = {kAudioUnitType_Output, kAudioUnitSubType_HALOutput, kAudioUnitManufacturer_Apple, 0, 0};

  1620.     Component HALOutput = FindNextComponent(NULL, &cd);

  1621. 

  1622.     err1 = OpenAComponent(HALOutput, &fAUHAL);

  1623.     if (err1 != noErr) {

  1624.         jack_error("Error calling OpenAComponent");

  1625.         printError(err1);

  1626.         goto error;

  1627.     }

  1628. 

  1629.     err1 = AudioUnitInitialize(fAUHAL);

  1630.     if (err1 != noErr) {

  1631.         jack_error("Cannot initialize AUHAL unit");

  1632.         printError(err1);

  1633.         goto error;

  1634.     }

  1635.     

  1636.     // Start I/O

  1637.     if (capturing && inchannels > 0) {

  1638.         enableIO = 1;

  1639.         jack_log("JackCoreAudioDriver::OpenAUHAL : setup AUHAL input on");

  1640.     } else {

  1641.         enableIO = 0;

  1642.         jack_log("JackCoreAudioDriver::OpenAUHAL : setup AUHAL input off");

  1643.     }

  1644. 

  1645.     err1 = AudioUnitSetProperty(fAUHAL, kAudioOutputUnitProperty_EnableIO, kAudioUnitScope_Input, 1, &enableIO, sizeof(enableIO));

  1646.     if (err1 != noErr) {

  1647.         jack_error("Error calling AudioUnitSetProperty - kAudioOutputUnitProperty_EnableIO, kAudioUnitScope_Input");

  1648.         printError(err1);

  1649.         goto error;

  1650.     }

  1651. 

  1652.     if (playing && outchannels > 0) {

  1653.         enableIO = 1;

  1654.         jack_log("JackCoreAudioDriver::OpenAUHAL : setup AUHAL output on");

  1655.     } else {

  1656.         enableIO = 0;

  1657.         jack_log("JackCoreAudioDriver::OpenAUHAL : setup AUHAL output off");

  1658.     }

  1659. 

  1660.     err1 = AudioUnitSetProperty(fAUHAL, kAudioOutputUnitProperty_EnableIO, kAudioUnitScope_Output, 0, &enableIO, sizeof(enableIO));

  1661.     if (err1 != noErr) {

  1662.         jack_error("Error calling AudioUnitSetProperty - kAudioOutputUnitProperty_EnableIO,kAudioUnitScope_Output");

  1663.         printError(err1);

  1664.         goto error;

  1665.     }

  1666. 

  1667.     size = sizeof(AudioDeviceID);

  1668.     err1 = AudioUnitGetProperty(fAUHAL, kAudioOutputUnitProperty_CurrentDevice, kAudioUnitScope_Global, 0, &currAudioDeviceID, &size);

  1669.     if (err1 != noErr) {

  1670.         jack_error("Error calling AudioUnitGetProperty - kAudioOutputUnitProperty_CurrentDevice");

  1671.         printError(err1);

  1672.         goto error;

  1673.     } else {

  1674.         jack_log("JackCoreAudioDriver::OpenAUHAL : AudioUnitGetPropertyCurrentDevice = %d", currAudioDeviceID);

  1675.     }

  1676. 

  1677.     // Setup up choosen device, in both input and output cases

  1678.     err1 = AudioUnitSetProperty(fAUHAL, kAudioOutputUnitProperty_CurrentDevice, kAudioUnitScope_Global, 0, &fDeviceID, sizeof(AudioDeviceID));

  1679.     if (err1 != noErr) {

  1680.         jack_error("Error calling AudioUnitSetProperty - kAudioOutputUnitProperty_CurrentDevice");

  1681.         printError(err1);

  1682.         goto error;

  1683.     }

  1684. 

  1685.     // Set buffer size

  1686.     if (capturing && inchannels > 0) {

  1687.         err1 = AudioUnitSetProperty(fAUHAL, kAudioUnitProperty_MaximumFramesPerSlice, kAudioUnitScope_Global, 1, (UInt32*)&buffer_size, sizeof(UInt32));

  1688.         if (err1 != noErr) {

  1689.             jack_error("Error calling AudioUnitSetProperty - kAudioUnitProperty_MaximumFramesPerSlice");

  1690.             printError(err1);

  1691.             goto error;

  1692.         }

  1693.     }

  1694. 

  1695.     if (playing && outchannels > 0) {

  1696.         err1 = AudioUnitSetProperty(fAUHAL, kAudioUnitProperty_MaximumFramesPerSlice, kAudioUnitScope_Global, 0, (UInt32*)&buffer_size, sizeof(UInt32));

  1697.         if (err1 != noErr) {

  1698.             jack_error("Error calling AudioUnitSetProperty - kAudioUnitProperty_MaximumFramesPerSlice");

  1699.             printError(err1);

  1700.             goto error;

  1701.         }

  1702.     }

  1703. 

  1704.     // Setup input channel map

  1705.     if (capturing && inchannels > 0 && inchannels <= in_nChannels) {

  1706.         SInt32 chanArr[in_nChannels];

  1707.         for (int i = 0; i < in_nChannels; i++) {

  1708.             chanArr[i] = -1;

  1709.         }

  1710.         // Explicit mapping

  1711.         if (chan_in_list.size() > 0) {

  1712.             for (uint i = 0; i < chan_in_list.size(); i++) {

  1713.                 int chan = chan_in_list[i];

  1714.                 if (chan < out_nChannels) {

  1715.                     // The wanted JACK input index for the 'chan' channel value

  1716.                     chanArr[chan] = i;

  1717.                     jack_info("Input channel = %d ==> JACK input port = %d", chan, i);

  1718.                 } else {

  1719.                     jack_info("Error input channel number is incorrect : %d", chan);

  1720.                     goto error;

  1721.                 }

  1722.             }

  1723.         } else {

  1724.             for (int i = 0; i < inchannels; i++) {

  1725.                 chanArr[i] = i;

  1726.                 jack_info("Input channel = %d ==> JACK input port = %d", chanArr[i], i);

  1727.             }

  1728.         }

  1729. 

  1730.         AudioUnitSetProperty(fAUHAL, kAudioOutputUnitProperty_ChannelMap , kAudioUnitScope_Input, 1, chanArr, sizeof(SInt32) * in_nChannels);

  1731.         if (err1 != noErr) {

  1732.             jack_error("Error calling AudioUnitSetProperty - kAudioOutputUnitProperty_ChannelMap for input");

  1733.             printError(err1);

  1734.             goto error;

  1735.         }

  1736.     }

  1737. 

  1738.     // Setup output channel map

  1739.     if (playing && outchannels > 0 && outchannels <= out_nChannels) {

  1740.         SInt32 chanArr[out_nChannels];

  1741.         for (int i = 0;	i < out_nChannels; i++) {

  1742.             chanArr[i] = -1;

  1743.         }

  1744.         // Explicit mapping

  1745.         if (chan_out_list.size() > 0) {

  1746.             for (uint i = 0; i < chan_out_list.size(); i++) {

  1747.                 int chan = chan_out_list[i];

  1748.                 if (chan < out_nChannels) {

  1749.                     // The wanted JACK output index for the 'chan' channel value

  1750.                     chanArr[chan] = i;

  1751.                     jack_info("JACK output port = %d ==> output channel = %d", i, chan);

  1752.                 } else {

  1753.                     jack_info("Error output channel number is incorrect : %d", chan);

  1754.                     goto error;

  1755.                 }

  1756.             }

  1757.         } else {

  1758.             for (int i = 0; i < outchannels; i++) {

  1759.                 chanArr[i] = i;

  1760.                 jack_info("JACK output port = %d ==> output channel = %d", i, chanArr[i]);

  1761.             }

  1762.         }

  1763. 

  1764.         err1 = AudioUnitSetProperty(fAUHAL, kAudioOutputUnitProperty_ChannelMap, kAudioUnitScope_Output, 0, chanArr, sizeof(SInt32) * out_nChannels);

  1765.         if (err1 != noErr) {

  1766.             jack_error("Error calling AudioUnitSetProperty - kAudioOutputUnitProperty_ChannelMap for output");

  1767.             printError(err1);

  1768.             goto error;

  1769.         }

  1770.     }

  1771. 

  1772.     // Setup stream converters

  1773.     if (capturing && inchannels > 0) {

  1774. 

  1775.         size = sizeof(AudioStreamBasicDescription);

  1776.         err1 = AudioUnitGetProperty(fAUHAL, kAudioUnitProperty_StreamFormat, kAudioUnitScope_Output, 1, &srcFormat, &size);

  1777.         if (err1 != noErr) {

  1778.             jack_error("Error calling AudioUnitGetProperty - kAudioUnitProperty_StreamFormat kAudioUnitScope_Output");

  1779.             printError(err1);

  1780.             goto error;

  1781.         }

  1782.         PrintStreamDesc(&srcFormat);

  1783. 

  1784.         jack_log("JackCoreAudioDriver::OpenAUHAL : setup AUHAL input stream converter SR = %ld", sample_rate);

  1785.         srcFormat.mSampleRate = sample_rate;

  1786.         srcFormat.mFormatID = kAudioFormatLinearPCM;

  1787.         srcFormat.mFormatFlags = kAudioFormatFlagsNativeFloatPacked | kLinearPCMFormatFlagIsNonInterleaved;

  1788.         srcFormat.mBytesPerPacket = sizeof(jack_default_audio_sample_t);

  1789.         srcFormat.mFramesPerPacket = 1;

  1790.         srcFormat.mBytesPerFrame = sizeof(jack_default_audio_sample_t);

  1791.         srcFormat.mChannelsPerFrame = inchannels;

  1792.         srcFormat.mBitsPerChannel = 32;

  1793.         PrintStreamDesc(&srcFormat);

  1794. 

  1795.         err1 = AudioUnitSetProperty(fAUHAL, kAudioUnitProperty_StreamFormat, kAudioUnitScope_Output, 1, &srcFormat, sizeof(AudioStreamBasicDescription));

  1796.         if (err1 != noErr) {

  1797.             jack_error("Error calling AudioUnitSetProperty - kAudioUnitProperty_StreamFormat kAudioUnitScope_Output");

  1798.             printError(err1);

  1799.             goto error;

  1800.         }

  1801.     }

  1802. 

  1803.     if (playing && outchannels > 0) {

  1804. 

  1805.         size = sizeof(AudioStreamBasicDescription);

  1806.         err1 = AudioUnitGetProperty(fAUHAL, kAudioUnitProperty_StreamFormat, kAudioUnitScope_Input, 0, &dstFormat, &size);

  1807.         if (err1 != noErr) {

  1808.             jack_error("Error calling AudioUnitGetProperty - kAudioUnitProperty_StreamFormat kAudioUnitScope_Input");

  1809.             printError(err1);

  1810.             goto error;

  1811.         }

  1812.         PrintStreamDesc(&dstFormat);

  1813. 

  1814.         jack_log("JackCoreAudioDriver::OpenAUHAL : setup AUHAL output stream converter SR = %ld", sample_rate);

  1815.         dstFormat.mSampleRate = sample_rate;

  1816.         dstFormat.mFormatID = kAudioFormatLinearPCM;

  1817.         dstFormat.mFormatFlags = kAudioFormatFlagsNativeFloatPacked | kLinearPCMFormatFlagIsNonInterleaved;

  1818.         dstFormat.mBytesPerPacket = sizeof(jack_default_audio_sample_t);

  1819.         dstFormat.mFramesPerPacket = 1;

  1820.         dstFormat.mBytesPerFrame = sizeof(jack_default_audio_sample_t);

  1821.         dstFormat.mChannelsPerFrame = outchannels;

  1822.         dstFormat.mBitsPerChannel = 32;

  1823.         PrintStreamDesc(&dstFormat);

  1824. 

  1825.         err1 = AudioUnitSetProperty(fAUHAL, kAudioUnitProperty_StreamFormat, kAudioUnitScope_Input, 0, &dstFormat, sizeof(AudioStreamBasicDescription));

  1826.         if (err1 != noErr) {

  1827.             jack_error("Error calling AudioUnitSetProperty - kAudioUnitProperty_StreamFormat kAudioUnitScope_Input");

  1828.             printError(err1);

  1829.             goto error;

  1830.         }

  1831.     }

  1832. 

  1833.     // Setup callbacks

  1834.     if (inchannels > 0 && outchannels == 0) {

  1835.         AURenderCallbackStruct output;

  1836.         output.inputProc = Render;

  1837.         output.inputProcRefCon = this;

  1838.         err1 = AudioUnitSetProperty(fAUHAL, kAudioOutputUnitProperty_SetInputCallback, kAudioUnitScope_Global, 0, &output, sizeof(output));

  1839.         if (err1 != noErr) {

  1840.             jack_error("Error calling  AudioUnitSetProperty - kAudioUnitProperty_SetRenderCallback 1");

  1841.             printError(err1);

  1842.             goto error;

  1843.         }

  1844.     } else {

  1845.         AURenderCallbackStruct output;

  1846.         output.inputProc = Render;

  1847.         output.inputProcRefCon = this;

  1848.         err1 = AudioUnitSetProperty(fAUHAL, kAudioUnitProperty_SetRenderCallback, kAudioUnitScope_Input, 0, &output, sizeof(output));

  1849.         if (err1 != noErr) {

  1850.             jack_error("Error calling AudioUnitSetProperty - kAudioUnitProperty_SetRenderCallback 0");

  1851.             printError(err1);

  1852.             goto error;

  1853.         }

  1854.     }

  1855. 

  1856.     return 0;

  1857. 

  1858. error:

  1859.     CloseAUHAL();

  1860.     return -1;

  1861. }

  1862. 

  1863. int JackCoreAudioDriver::SetupBuffers(int inchannels)

  1864. {

  1865.     // Prepare buffers

  1866.     fJackInputData = (AudioBufferList*)malloc(sizeof(UInt32) + inchannels * sizeof(AudioBuffer));

  1867.     fJackInputData->mNumberBuffers = inchannels;

  1868.     for (int i = 0; i < inchannels; i++) {

  1869.         fJackInputData->mBuffers[i].mNumberChannels = 1;

  1870.         fJackInputData->mBuffers[i].mDataByteSize = fEngineControl->fBufferSize * sizeof(jack_default_audio_sample_t);

  1871.     }

  1872.     return 0;

  1873. }

  1874. 

  1875. void JackCoreAudioDriver::DisposeBuffers()

  1876. {

  1877.     if (fJackInputData) {

  1878.         free(fJackInputData);

  1879.         fJackInputData = 0;

  1880.     }

  1881. }

  1882. 

  1883. void JackCoreAudioDriver::CloseAUHAL()

  1884. {

  1885.     AudioOutputUnitStop(fAUHAL);

  1886.     AudioUnitUninitialize(fAUHAL);

  1887.     CloseComponent(fAUHAL);

  1888. }

  1889. 

  1890. int JackCoreAudioDriver::AddListeners()

  1891. {

  1892.     OSStatus err = noErr;

  1893. 

  1894.     // Add listeners

  1895.     err = AudioDeviceAddPropertyListener(fDeviceID, 0, true, kAudioDeviceProcessorOverload, DeviceNotificationCallback, this);

  1896.     if (err != noErr) {

  1897.         jack_error("Error calling AudioDeviceAddPropertyListener with kAudioDeviceProcessorOverload");

  1898.         printError(err);

  1899.         return -1;

  1900.     }

  1901. 

  1902.     err = AudioHardwareAddPropertyListener(kAudioHardwarePropertyDevices, AudioHardwareNotificationCallback, this);

  1903.     if (err != noErr) {

  1904.         jack_error("Error calling AudioHardwareAddPropertyListener with kAudioHardwarePropertyDevices");

  1905.         printError(err);

  1906.         return -1;

  1907.     }

  1908. 

  1909.     err = AudioDeviceAddPropertyListener(fDeviceID, 0, true, kAudioDevicePropertyNominalSampleRate, DeviceNotificationCallback, this);

  1910.     if (err != noErr) {

  1911.         jack_error("Error calling AudioDeviceAddPropertyListener with kAudioDevicePropertyNominalSampleRate");

  1912.         printError(err);

  1913.         return -1;

  1914.     }

  1915. 

  1916.     err = AudioDeviceAddPropertyListener(fDeviceID, 0, true, kAudioDevicePropertyDeviceIsRunning, DeviceNotificationCallback, this);

  1917.     if (err != noErr) {

  1918.         jack_error("Error calling AudioDeviceAddPropertyListener with kAudioDevicePropertyDeviceIsRunning");

  1919.         printError(err);

  1920.         return -1;

  1921.     }

  1922. 

  1923.     err = AudioDeviceAddPropertyListener(fDeviceID, 0, true, kAudioDevicePropertyDeviceIsAlive, DeviceNotificationCallback, this);

  1924.     if (err != noErr) {

  1925.         jack_error("Error calling AudioDeviceAddPropertyListener with kAudioDevicePropertyDeviceIsAlive");

  1926.         printError(err);

  1927.         return -1;

  1928.     }

  1929. 

  1930.     err = AudioDeviceAddPropertyListener(fDeviceID, 0, true, kAudioDevicePropertyDeviceHasChanged, DeviceNotificationCallback, this);

  1931.     if (err != noErr) {

  1932.         jack_error("Error calling AudioDeviceAddPropertyListener with kAudioDevicePropertyDeviceHasChanged");

  1933.         printError(err);

  1934.         return -1;

  1935.     }

  1936. 

  1937.     err = AudioDeviceAddPropertyListener(fDeviceID, 0, true, kAudioDevicePropertyStreamConfiguration, DeviceNotificationCallback, this);

  1938.     if (err != noErr) {

  1939.         jack_error("Error calling AudioDeviceAddPropertyListener with kAudioDevicePropertyStreamConfiguration");

  1940.         printError(err);

  1941.         return -1;

  1942.     }

  1943. 

  1944.     err = AudioDeviceAddPropertyListener(fDeviceID, 0, false, kAudioDevicePropertyStreamConfiguration, DeviceNotificationCallback, this);

  1945.     if (err != noErr) {

  1946.         jack_error("Error calling AudioDeviceAddPropertyListener with kAudioDevicePropertyStreamConfiguration");

  1947.         printError(err);

  1948.         return -1;

  1949.     }

  1950. 

  1951.     if (!fEngineControl->fSyncMode && fIOUsage != 1.f) {

  1952.         UInt32 outSize = sizeof(float);

  1953.         err = AudioDeviceSetProperty(fDeviceID, NULL, 0, false, kAudioDevicePropertyIOCycleUsage, outSize, &fIOUsage);

  1954.         if (err != noErr) {

  1955.             jack_error("Error calling AudioDeviceSetProperty kAudioDevicePropertyIOCycleUsage");

  1956.             printError(err);

  1957.         }

  1958.     }

  1959. 

  1960.     return 0;

  1961. }

  1962. 

  1963. void JackCoreAudioDriver::RemoveListeners()

  1964. {

  1965.     AudioDeviceRemovePropertyListener(fDeviceID, 0, true, kAudioDeviceProcessorOverload, DeviceNotificationCallback);

  1966.     AudioHardwareRemovePropertyListener(kAudioHardwarePropertyDevices, AudioHardwareNotificationCallback);

  1967.     AudioDeviceRemovePropertyListener(fDeviceID, 0, true, kAudioDevicePropertyNominalSampleRate, DeviceNotificationCallback);

  1968.     AudioDeviceRemovePropertyListener(fDeviceID, 0, true, kAudioDevicePropertyDeviceIsRunning, DeviceNotificationCallback);

  1969.     AudioDeviceRemovePropertyListener(fDeviceID, 0, true, kAudioDevicePropertyDeviceIsAlive, DeviceNotificationCallback);

  1970.     AudioDeviceRemovePropertyListener(fDeviceID, 0, true, kAudioDevicePropertyDeviceHasChanged, DeviceNotificationCallback);

  1971.     AudioDeviceRemovePropertyListener(fDeviceID, 0, true, kAudioDevicePropertyStreamConfiguration, DeviceNotificationCallback);

  1972.     AudioDeviceRemovePropertyListener(fDeviceID, 0, false, kAudioDevicePropertyStreamConfiguration, DeviceNotificationCallback);

  1973. }

  1974. 

  1975. int JackCoreAudioDriver::Open(jack_nframes_t buffer_size,

  1976.                               jack_nframes_t sample_rate,

  1977.                               bool capturing,

  1978.                               bool playing,

  1979.                               int inchannels,

  1980.                               int outchannels,

  1981.                               const char* chan_in_list,

  1982.                               const char* chan_out_list,

  1983.                               bool monitor,

  1984.                               const char* capture_driver_uid,

  1985.                               const char* playback_driver_uid,

  1986.                               jack_nframes_t capture_latency,

  1987.                               jack_nframes_t playback_latency,

  1988.                               int async_output_latency,

  1989.                               int computation_grain,

  1990.                               bool hogged,

  1991.                               bool clock_drift,

  1992.                               bool ac3_encoding,

  1993.                               int ac3_bitrate,

  1994.                               bool ac3_lfe)

  1995. {

  1996.     int in_nChannels = 0;

  1997.     int out_nChannels = 0;

  1998.     char capture_driver_name[256];

  1999.     char playback_driver_name[256];

  2000. 

  2001.     fCaptureLatency = capture_latency;

  2002.     fPlaybackLatency = playback_latency;

  2003.     fIOUsage = float(async_output_latency) / 100.f;

  2004.     fComputationGrain = float(computation_grain) / 100.f;

  2005.     fHogged = hogged;

  2006.     fClockDriftCompensate = clock_drift;

  2007. 

  2008.     SInt32 major;

  2009.     SInt32 minor;

  2010.     Gestalt(gestaltSystemVersionMajor, &major);

  2011.     Gestalt(gestaltSystemVersionMinor, &minor);

  2012. 

  2013.     vector<int> parsed_chan_in_list;

  2014.     vector<int> parsed_chan_out_list;

  2015. 

  2016.     ParseChannelList(chan_in_list, parsed_chan_in_list);

  2017.     if (parsed_chan_in_list.size() > 0) {

  2018.         jack_info("Explicit input channel list size = %d", parsed_chan_in_list.size());

  2019.         inchannels = parsed_chan_in_list.size();

  2020.     }

  2021. 

  2022.     ParseChannelList(chan_out_list, parsed_chan_out_list);

  2023.     if (parsed_chan_out_list.size() > 0) {

  2024.         jack_info("Explicit output channel list size = %d", parsed_chan_out_list.size());

  2025.         outchannels = parsed_chan_out_list.size();

  2026.     }

  2027. 

  2028.     // Starting with 10.6 systems, the HAL notification thread is created internally

  2029.     if (major == 10 && minor >= 6) {

  2030.         CFRunLoopRef theRunLoop = NULL;

  2031.         AudioObjectPropertyAddress theAddress = { kAudioHardwarePropertyRunLoop, kAudioObjectPropertyScopeGlobal, kAudioObjectPropertyElementMaster };

  2032.         OSStatus osErr = AudioObjectSetPropertyData (kAudioObjectSystemObject, &theAddress, 0, NULL, sizeof(CFRunLoopRef), &theRunLoop);

  2033.         if (osErr != noErr) {

  2034.             jack_error("Open kAudioHardwarePropertyRunLoop error");

  2035.             printError(osErr);

  2036.         }

  2037.     }

  2038.   

  2039.     if (SetupDevices(capture_driver_uid, playback_driver_uid, capture_driver_name, playback_driver_name, sample_rate, ac3_encoding) < 0) {

  2040.         goto error;

  2041.     }

  2042. 

  2043.     // Generic JackAudioDriver Open

  2044.     if (JackAudioDriver::Open(buffer_size, sample_rate,

  2045.                             capturing, playing,

  2046.                             inchannels, outchannels,

  2047.                             monitor,

  2048.                             capture_driver_name,

  2049.                             playback_driver_name,

  2050.                             capture_latency,

  2051.                             playback_latency) != 0) {

  2052.         goto error;

  2053.     }

  2054. 

  2055.     if (SetupChannels(capturing, playing, inchannels, outchannels, in_nChannels, out_nChannels, !ac3_encoding) < 0) {

  2056.         goto error;

  2057.     }

  2058. 

  2059.     if (SetupBufferSize(buffer_size) < 0) {

  2060.         goto error;

  2061.     }

  2062. 

  2063.     if (SetupSampleRate(sample_rate) < 0) {

  2064.         goto error;

  2065.     }

  2066.     

  2067.     if (ac3_encoding) {

  2068.           

  2069.         if (!fDigitalPlayback) {

  2070.             jack_error("AC3 encoding can only be used with a digital device");

  2071.             goto error;

  2072.         }

  2073.         

  2074.         JackAC3EncoderParams params;

  2075.         memset(&params, 0, sizeof(JackAC3EncoderParams));

  2076.         params.bitrate = ac3_bitrate;

  2077.         params.channels = outchannels;

  2078.         params.sample_rate = sample_rate;

  2079.         params.lfe = ac3_lfe;

  2080.         fAC3Encoder = new JackAC3Encoder(params);

  2081.         

  2082.         if (!fAC3Encoder || !fAC3Encoder->Init(sample_rate)) {

  2083.             jack_error("Cannot allocate or init AC3 encoder");

  2084.             goto error;

  2085.         }

  2086.         

  2087.         // Setup AC3 channel number

  2088.         fPlaybackChannels = outchannels;

  2089.         if (ac3_lfe) {

  2090.             fPlaybackChannels++;

  2091.         }

  2092.         

  2093.         if (fPlaybackChannels < 2 || fPlaybackChannels > 6) {

  2094.             jack_error("AC3 encoder channels must be between 2 and 6");

  2095.             goto error;

  2096.         }

  2097.         

  2098.         // Force real output channel number to 2

  2099.         outchannels = out_nChannels = 2;

  2100.         

  2101.     } else {

  2102.         fPlaybackChannels = outchannels;

  2103.     }

  2104.     

  2105.     // Core driver may have changed the in/out values

  2106.     fCaptureChannels = inchannels;

  2107. 

  2108.     if (OpenAUHAL(capturing, playing, inchannels, outchannels, in_nChannels, out_nChannels, parsed_chan_in_list, parsed_chan_out_list, buffer_size, sample_rate) < 0) {

  2109.         goto error;

  2110.     }

  2111. 

  2112.     if (capturing && inchannels > 0) {

  2113.         if (SetupBuffers(inchannels) < 0) {

  2114.             goto error;

  2115.         }

  2116.     }

  2117. 

  2118.     if (AddListeners() < 0) {

  2119.         goto error;

  2120.     }

  2121.   

  2122.     return noErr;

  2123. 

  2124. error:

  2125.     Close();

  2126.     return -1;

  2127. }

  2128. 

  2129. int JackCoreAudioDriver::Close()

  2130. {

  2131.     jack_log("JackCoreAudioDriver::Close");

  2132. 

  2133.     // Generic audio driver close

  2134.     int res = JackAudioDriver::Close();

  2135. 

  2136.     RemoveListeners();

  2137.     DisposeBuffers();

  2138.     CloseAUHAL();

  2139.     DestroyAggregateDevice();

  2140.     return res;

  2141. }

  2142. 

  2143. void JackCoreAudioDriver::UpdateLatencies()

  2144. {

  2145.     UInt32 size;

  2146.     OSStatus err;

  2147.     jack_latency_range_t input_range;

  2148.     jack_latency_range_t output_range;

  2149.     jack_latency_range_t monitor_range;

  2150. 

  2151.     // Get Input latency

  2152.     size = sizeof(UInt32);

  2153.     UInt32 value1 = 0;

  2154.     UInt32 value2 = 0;

  2155.     err = AudioDeviceGetProperty(fDeviceID, 0, true, kAudioDevicePropertyLatency, &size, &value1);

  2156.     if (err != noErr) {

  2157.         jack_error("AudioDeviceGetProperty kAudioDevicePropertyLatency error");

  2158.     }

  2159.     err = AudioDeviceGetProperty(fDeviceID, 0, true, kAudioDevicePropertySafetyOffset, &size, &value2);

  2160.     if (err != noErr) {

  2161.         jack_error("AudioDeviceGetProperty kAudioDevicePropertySafetyOffset error");

  2162.     }

  2163. 

  2164.     input_range.min = input_range.max = fEngineControl->fBufferSize + value1 + value2 + fCaptureLatency;

  2165. 

  2166.     // Get input stream latencies

  2167.     vector<int> input_latencies;

  2168.     err = GetStreamLatencies(fDeviceID, true, input_latencies);

  2169. 

  2170.     for (int i = 0; i < fCaptureChannels; i++) {

  2171.         if (err != noErr) {

  2172.             input_range.min += input_latencies[i];

  2173.             input_range.max += input_latencies[i];

  2174.         }

  2175.         fGraphManager->GetPort(fCapturePortList[i])->SetLatencyRange(JackCaptureLatency, &input_range);

  2176.     }

  2177. 

  2178.     // Get Output latency

  2179.     size = sizeof(UInt32);

  2180.     value1 = 0;

  2181.     value2 = 0;

  2182.     err = AudioDeviceGetProperty(fDeviceID, 0, false, kAudioDevicePropertyLatency, &size, &value1);

  2183.     if (err != noErr) {

  2184.         jack_error("AudioDeviceGetProperty kAudioDevicePropertyLatency error");

  2185.     }

  2186.     err = AudioDeviceGetProperty(fDeviceID, 0, false, kAudioDevicePropertySafetyOffset, &size, &value2);

  2187.     if (err != noErr) {

  2188.         jack_error("AudioDeviceGetProperty kAudioDevicePropertySafetyOffset error");

  2189.     }

  2190. 

  2191.     // Get output stream latencies

  2192.     vector<int> output_latencies;

  2193.     err = GetStreamLatencies(fDeviceID, false, output_latencies);

  2194. 

  2195.     // Add more latency if "async" mode is used...

  2196.     output_range.min = output_range.max = fEngineControl->fBufferSize + ((fEngineControl->fSyncMode)

  2197.         ? 0 : fEngineControl->fBufferSize * fIOUsage) + value1 + value2 + fPlaybackLatency;

  2198. 

  2199.     for (int i = 0; i < fPlaybackChannels; i++) {

  2200.         if (err != noErr) {

  2201.             output_range.min += output_latencies[i];

  2202.             output_range.max += output_latencies[i];

  2203.         }

  2204.         fGraphManager->GetPort(fPlaybackPortList[i])->SetLatencyRange(JackPlaybackLatency, &output_range);

  2205. 

  2206.         // Monitor port

  2207.         if (fWithMonitorPorts) {

  2208.             monitor_range.min = monitor_range.max = fEngineControl->fBufferSize;

  2209.             fGraphManager->GetPort(fMonitorPortList[i])->SetLatencyRange(JackCaptureLatency, &monitor_range);

  2210.         }

  2211.     }

  2212. }

  2213. 

  2214. int JackCoreAudioDriver::Attach()

  2215. {

  2216.     OSStatus err;

  2217.     JackPort* port;

  2218.     jack_port_id_t port_index;

  2219.     UInt32 size;

  2220.     Boolean isWritable;

  2221.     char channel_name[64];

  2222.     char name[REAL_JACK_PORT_NAME_SIZE];

  2223.     char alias[REAL_JACK_PORT_NAME_SIZE];

  2224. 

  2225.     jack_log("JackCoreAudioDriver::Attach : fBufferSize %ld fSampleRate %ld", fEngineControl->fBufferSize, fEngineControl->fSampleRate);

  2226. 

  2227.     for (int i = 0; i < fCaptureChannels; i++) {

  2228. 

  2229.         err = AudioDeviceGetPropertyInfo(fDeviceID, i + 1, true, kAudioDevicePropertyChannelName, &size, &isWritable);

  2230.         if (err != noErr) {

  2231.             jack_log("JackCoreAudioDriver::Attach : AudioDeviceGetPropertyInfo kAudioDevicePropertyChannelName error");

  2232.         }

  2233.         if (err == noErr && size > 0) {

  2234.             err = AudioDeviceGetProperty(fDeviceID, i + 1, true, kAudioDevicePropertyChannelName, &size, channel_name);

  2235.             if (err != noErr) {

  2236.                 jack_log("JackCoreAudioDriver::Attach : AudioDeviceGetProperty kAudioDevicePropertyChannelName error");

  2237.             }

  2238.             snprintf(alias, sizeof(alias), "%s:%s:out_%s%u", fAliasName, fCaptureDriverName, channel_name, i + 1);

  2239.         } else {

  2240.             snprintf(alias, sizeof(alias), "%s:%s:out%u", fAliasName, fCaptureDriverName, i + 1);

  2241.         }

  2242. 

  2243.         snprintf(name, sizeof(name), "%s:capture_%d", fClientControl.fName, i + 1);

  2244. 

  2245.         if (fEngine->PortRegister(fClientControl.fRefNum, name, JACK_DEFAULT_AUDIO_TYPE, CaptureDriverFlags, fEngineControl->fBufferSize, &port_index) < 0) {

  2246.             jack_error("Cannot register port for %s", name);

  2247.             return -1;

  2248.         }

  2249. 

  2250.         port = fGraphManager->GetPort(port_index);

  2251.         port->SetAlias(alias);

  2252.         fCapturePortList[i] = port_index;

  2253.     }

  2254. 

  2255.     for (int i = 0; i < fPlaybackChannels; i++) {

  2256. 

  2257.         err = AudioDeviceGetPropertyInfo(fDeviceID, i + 1, false, kAudioDevicePropertyChannelName, &size, &isWritable);

  2258.         if (err != noErr) {

  2259.             jack_log("JackCoreAudioDriver::Attach : AudioDeviceGetPropertyInfo kAudioDevicePropertyChannelName error");

  2260.         }

  2261.         if (err == noErr && size > 0) {

  2262.             err = AudioDeviceGetProperty(fDeviceID, i + 1, false, kAudioDevicePropertyChannelName, &size, channel_name);

  2263.             if (err != noErr) {

  2264.                 jack_log("JackCoreAudioDriver::Attach : AudioDeviceGetProperty kAudioDevicePropertyChannelName error");

  2265.             }

  2266.             snprintf(alias, sizeof(alias), "%s:%s:in_%s%u", fAliasName, fPlaybackDriverName, channel_name, i + 1);

  2267.         } else {

  2268.             snprintf(alias, sizeof(alias), "%s:%s:in%u", fAliasName, fPlaybackDriverName, i + 1);

  2269.         }

  2270. 

  2271.         snprintf(name, sizeof(name), "%s:playback_%d", fClientControl.fName, i + 1);

  2272. 

  2273.         if (fEngine->PortRegister(fClientControl.fRefNum, name, JACK_DEFAULT_AUDIO_TYPE, PlaybackDriverFlags, fEngineControl->fBufferSize, &port_index) < 0) {

  2274.             jack_error("Cannot register port for %s", name);

  2275.             return -1;

  2276.         }

  2277. 

  2278.         port = fGraphManager->GetPort(port_index);

  2279.         port->SetAlias(alias);

  2280.         fPlaybackPortList[i] = port_index;

  2281. 

  2282.         // Monitor ports

  2283.         if (fWithMonitorPorts) {

  2284.             jack_log("JackCoreAudioDriver::Attach : create monitor port");

  2285.             snprintf(name, sizeof(name), "%s:monitor_%u", fClientControl.fName, i + 1);

  2286.             if (fEngine->PortRegister(fClientControl.fRefNum, name, JACK_DEFAULT_AUDIO_TYPE, MonitorDriverFlags, fEngineControl->fBufferSize, &port_index) < 0) {

  2287.                 jack_error("Cannot register monitor port for %s", name);

  2288.                 return -1;

  2289.             } else {

  2290.                 fMonitorPortList[i] = port_index;

  2291.             }

  2292.         }

  2293.     }

  2294.     

  2295.     if (fAC3Encoder) {

  2296.         // Setup specific AC3 channels names

  2297.         for (int i = 0; i < fPlaybackChannels; i++) {

  2298.             fAC3Encoder->GetChannelName("coreaudio", "", alias, i);

  2299.             port = fGraphManager->GetPort(fPlaybackPortList[i]);

  2300.             port->SetAlias(alias);

  2301.         }

  2302.     }

  2303. 

  2304.     UpdateLatencies();

  2305. 

  2306.     // Input buffers do no change : prepare them only once

  2307.     for (int i = 0; i < fCaptureChannels; i++) {

  2308.         fJackInputData->mBuffers[i].mData = GetInputBuffer(i);

  2309.     }

  2310. 

  2311.     return 0;

  2312. }

  2313. 

  2314. int JackCoreAudioDriver::Start()

  2315. {

  2316.     jack_log("JackCoreAudioDriver::Start");

  2317.     if (JackAudioDriver::Start() == 0) {

  2318. 

  2319.         // Waiting for Render callback to be called (= driver has started)

  2320.         fState = false;

  2321.         int count = 0;

  2322. 

  2323.         OSStatus err = AudioOutputUnitStart(fAUHAL);

  2324.         if (err == noErr) {

  2325. 

  2326.             while (!fState && count++ < WAIT_COUNTER) {

  2327.                 usleep(100000);

  2328.                 jack_log("JackCoreAudioDriver::Start : wait count = %d", count);

  2329.             }

  2330. 

  2331.             if (count < WAIT_COUNTER) {

  2332.                 jack_info("CoreAudio driver is running...");

  2333.                 return 0;

  2334.             }

  2335. 

  2336.             jack_error("CoreAudio driver cannot start...");

  2337.         }

  2338.         JackAudioDriver::Stop();

  2339.     }

  2340.     return -1;

  2341. }

  2342. 

  2343. int JackCoreAudioDriver::Stop()

  2344. {

  2345.     jack_log("JackCoreAudioDriver::Stop");

  2346.     int res = (AudioOutputUnitStop(fAUHAL) == noErr) ? 0 : -1;

  2347.     if (JackAudioDriver::Stop() < 0) {

  2348.         res = -1;

  2349.     }

  2350.     return res;

  2351. }

  2352. 

  2353. int JackCoreAudioDriver::SetBufferSize(jack_nframes_t buffer_size)

  2354. {

  2355.     if (SetupBufferSize(buffer_size) < 0) {

  2356.         return -1;

  2357.     }

  2358. 

  2359.     JackAudioDriver::SetBufferSize(buffer_size); // Generic change, never fails

  2360. 

  2361.     // CoreAudio specific

  2362.     UpdateLatencies();

  2363. 

  2364.     // Input buffers do no change : prepare them only once

  2365.     for (int i = 0; i < fCaptureChannels; i++) {

  2366.         fJackInputData->mBuffers[i].mNumberChannels = 1;

  2367.         fJackInputData->mBuffers[i].mDataByteSize = fEngineControl->fBufferSize * sizeof(jack_default_audio_sample_t);

  2368.         fJackInputData->mBuffers[i].mData = GetInputBuffer(i);

  2369.     }

  2370. 

  2371.     return 0;

  2372. }

  2373. 

  2374. bool JackCoreAudioDriver::TakeHogAux(AudioDeviceID deviceID, bool isInput)

  2375. {

  2376.     pid_t hog_pid;

  2377.     OSStatus err;

  2378. 

  2379.     UInt32 propSize = sizeof(hog_pid);

  2380.     err = AudioDeviceGetProperty(deviceID, 0, isInput, kAudioDevicePropertyHogMode, &propSize, &hog_pid);

  2381.     if (err) {

  2382.         jack_error("Cannot read hog state...");

  2383.         printError(err);

  2384.     }

  2385.     

  2386.     jack_log("JackCoreAudioDriver::TakeHogAux : deviceID = %d", deviceID);

  2387. 

  2388.     if (hog_pid != getpid()) {

  2389.         hog_pid = getpid();

  2390.         err = AudioDeviceSetProperty(deviceID, 0, 0, isInput, kAudioDevicePropertyHogMode, propSize, &hog_pid);

  2391.         if (err != noErr) {

  2392.             jack_error("Can't hog device = %d because it's being hogged by another program or cannot be hogged", deviceID);

  2393.             return false;

  2394.         }

  2395.     }

  2396. 

  2397.     return true;

  2398. }

  2399. 

  2400. bool JackCoreAudioDriver::TakeHog()

  2401. {

  2402.     OSStatus err = noErr;

  2403.     AudioObjectID sub_device[32];

  2404.     UInt32 outSize = sizeof(sub_device);

  2405.     err = AudioDeviceGetProperty(fDeviceID, 0, kAudioDeviceSectionGlobal, kAudioAggregateDevicePropertyActiveSubDeviceList, &outSize, sub_device);

  2406. 

  2407.     if (err != noErr) {

  2408.         jack_log("JackCoreAudioDriver::TakeHog : device does not have subdevices");

  2409.         return TakeHogAux(fDeviceID, true);

  2410.     } else {

  2411.         int num_devices = outSize / sizeof(AudioObjectID);

  2412.         jack_log("JackCoreAudioDriver::TakeHog : device does has %d subdevices", num_devices);

  2413.         for (int i = 0; i < num_devices; i++) {

  2414.             if (!TakeHogAux(sub_device[i], true)) {

  2415.                 return false;

  2416.             }

  2417.         }

  2418.         return true;

  2419.     }

  2420. }

  2421. 

  2422. bool JackCoreAudioDriver::IsAggregateDevice(AudioDeviceID device)

  2423. {

  2424.     UInt32 deviceType, outSize = sizeof(UInt32);

  2425.     OSStatus err = AudioDeviceGetProperty(device, 0, kAudioDeviceSectionGlobal, kAudioDevicePropertyTransportType, &outSize, &deviceType);

  2426. 

  2427.     if (err != noErr) {

  2428.         jack_log("JackCoreAudioDriver::IsAggregateDevice kAudioDevicePropertyTransportType error");

  2429.         return false;

  2430.     } else {

  2431.         return (deviceType == kAudioDeviceTransportTypeAggregate);

  2432.     }

  2433. }

  2434. 

  2435. 

  2436. } // end of namespace

  2437. 

  2438. 

  2439. #ifdef __cplusplus

  2440. extern "C"

  2441. {

  2442. #endif

  2443. 

  2444.     SERVER_EXPORT jack_driver_desc_t* driver_get_descriptor()

  2445.     {

  2446.         jack_driver_desc_t * desc;

  2447.         jack_driver_desc_filler_t filler;

  2448.         jack_driver_param_value_t value;

  2449. 

  2450.         desc = jack_driver_descriptor_construct("coreaudio", JackDriverMaster, "Apple CoreAudio API based audio backend", &filler);

  2451. 

  2452.         value.i = -1;

  2453.         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");

  2454.         jack_driver_descriptor_add_parameter(desc, &filler, "in-channels", 'i', JackDriverParamInt, &value, NULL, "Maximum number of input channels", "Maximum number of input channels. If -1, max possible number of input channels will be used");

  2455.         jack_driver_descriptor_add_parameter(desc, &filler, "out-channels", 'o', JackDriverParamInt, &value, NULL, "Maximum number of output channels", "Maximum number of output channels. If -1, max possible number of output channels will be used");

  2456. 

  2457.         value.str[0] = 0;

  2458.         jack_driver_descriptor_add_parameter(desc, &filler, "input-list", 'n', JackDriverParamString, &value, NULL, "Input channel list", "List of input channel number to be opened");

  2459.         jack_driver_descriptor_add_parameter(desc, &filler, "output-list", 'N', JackDriverParamString, &value, NULL, "Output channel list", "List of output channel number to be opened");

  2460. 

  2461.         value.str[0] = 0;

  2462.         jack_driver_descriptor_add_parameter(desc, &filler, "capture", 'C', JackDriverParamString, &value, NULL, "Input CoreAudio device name", NULL);

  2463.         jack_driver_descriptor_add_parameter(desc, &filler, "playback", 'P', JackDriverParamString, &value, NULL, "Output CoreAudio device name", NULL);

  2464. 

  2465.         value.i  = 0;

  2466.         jack_driver_descriptor_add_parameter(desc, &filler, "monitor", 'm', JackDriverParamBool, &value, NULL, "Provide monitor ports for the output", NULL);

  2467.         

  2468. #ifndef __ppc__

  2469.         value.i  = 0;

  2470.         jack_driver_descriptor_add_parameter(desc, &filler, "AC3-encoding", 'a', JackDriverParamBool, &value, NULL, "AC3 multi-channels encoding", NULL);

  2471.         

  2472.         value.i  = 448;

  2473.         jack_driver_descriptor_add_parameter(desc, &filler, "AC3-bitrate", 'b', JackDriverParamUInt, &value, NULL, "AC3 bitrate", NULL);

  2474.        

  2475.         value.i  = 0;

  2476.         jack_driver_descriptor_add_parameter(desc, &filler, "AC3-LFE", 'f', JackDriverParamBool, &value, NULL, "AC3 LFE channel", NULL);

  2477. #endif

  2478.         value.i  = TRUE;

  2479.         jack_driver_descriptor_add_parameter(desc, &filler, "duplex", 'D', JackDriverParamBool, &value, NULL, "Provide both capture and playback ports", NULL);

  2480. 

  2481.         value.ui  = 44100U;

  2482.         jack_driver_descriptor_add_parameter(desc, &filler, "rate", 'r', JackDriverParamUInt, &value, NULL, "Sample rate", NULL);

  2483. 

  2484.         value.ui  = 256U;

  2485.         jack_driver_descriptor_add_parameter(desc, &filler, "period", 'p', JackDriverParamUInt, &value, NULL, "Frames per period", NULL);

  2486. 

  2487.         value.str[0] = 0;

  2488.         jack_driver_descriptor_add_parameter(desc, &filler, "device", 'd', JackDriverParamString, &value, NULL, "CoreAudio device name", NULL);

  2489. 

  2490.         value.ui  = 0;

  2491.         jack_driver_descriptor_add_parameter(desc, &filler, "input-latency", 'I', JackDriverParamUInt, &value, NULL, "Extra input latency (frames)", NULL);

  2492.         jack_driver_descriptor_add_parameter(desc, &filler, "output-latency", 'O', JackDriverParamUInt, &value, NULL, "Extra output latency (frames)", NULL);

  2493. 

  2494.         value.i  = FALSE;

  2495.         jack_driver_descriptor_add_parameter(desc, &filler, "list-devices", 'l', JackDriverParamBool, &value, NULL, "Display available CoreAudio devices", NULL);

  2496. 

  2497.         value.i  = FALSE;

  2498.         jack_driver_descriptor_add_parameter(desc, &filler, "hog", 'H', JackDriverParamBool, &value, NULL, "Take exclusive access of the audio device", NULL);

  2499. 

  2500.         value.ui  = 100;

  2501.         jack_driver_descriptor_add_parameter(desc, &filler, "async-latency", 'L', JackDriverParamUInt, &value, NULL, "Extra output latency in asynchronous mode (percent)", NULL);

  2502. 

  2503.         value.ui  = 100;

  2504.         jack_driver_descriptor_add_parameter(desc, &filler, "grain", 'G', JackDriverParamUInt, &value, NULL, "Computation grain in RT thread (percent)", NULL);

  2505. 

  2506.         value.i = FALSE;

  2507.         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");

  2508. 

  2509.         return desc;

  2510.     }

  2511. 

  2512.     SERVER_EXPORT Jack::JackDriverClientInterface* driver_initialize(Jack::JackLockedEngine* engine, Jack::JackSynchro* table, const JSList* params)

  2513.     {

  2514.         jack_nframes_t srate = 44100;

  2515.         jack_nframes_t frames_per_interrupt = 256;

  2516.         bool capture = false;

  2517.         bool playback = false;

  2518.         int chan_in = -1;   // Default: if not explicitely set, then max possible will be used...

  2519.         int chan_out = -1;  // Default: if not explicitely set, then max possible will be used...

  2520.         const char* chan_in_list = "";

  2521.         const char* chan_out_list = "";

  2522.         bool monitor = false;

  2523.         const char* capture_driver_uid = "";

  2524.         const char* playback_driver_uid = "";

  2525.         const JSList *node;

  2526.         const jack_driver_param_t *param;

  2527.         jack_nframes_t systemic_input_latency = 0;

  2528.         jack_nframes_t systemic_output_latency = 0;

  2529.         int async_output_latency = 100;

  2530.         int computation_grain = -1;

  2531.         bool hogged = false;

  2532.         bool clock_drift = false;

  2533.         bool ac3_encoding = false;

  2534.         int ac3_bitrate = 448;

  2535.         bool ac3_lfe = false;

  2536. 

  2537.         for (node = params; node; node = jack_slist_next(node)) {

  2538.             param = (const jack_driver_param_t *) node->data;

  2539. 

  2540.             switch (param->character) {

  2541. 

  2542.                 case 'd':

  2543.                     capture_driver_uid = param->value.str;

  2544.                     playback_driver_uid = param->value.str;

  2545.                     break;

  2546. 

  2547.                 case 'D':

  2548.                     capture = true;

  2549.                     playback = true;

  2550.                     break;

  2551. 

  2552.                 case 'c':

  2553.                     chan_in = chan_out = param->value.i;

  2554.                     break;

  2555. 

  2556.                 case 'i':

  2557.                     chan_in = param->value.i;

  2558.                     break;

  2559. 

  2560.                 case 'o':

  2561.                     chan_out = param->value.i;

  2562.                     break;

  2563. 

  2564.                 case 'n':

  2565.                     chan_in_list = param->value.str;

  2566.                     break;

  2567. 

  2568.                 case 'N':

  2569.                     chan_out_list = param->value.str;

  2570.                     break;

  2571. 

  2572.                 case 'C':

  2573.                     capture = true;

  2574.                     if (strcmp(param->value.str, "none") != 0) {

  2575.                         capture_driver_uid = param->value.str;

  2576.                     }

  2577.                     break;

  2578. 

  2579.                 case 'P':

  2580.                     playback = true;

  2581.                     if (strcmp(param->value.str, "none") != 0) {

  2582.                         playback_driver_uid = param->value.str;

  2583.                     }

  2584.                     break;

  2585. 

  2586.                 case 'm':

  2587.                     monitor = param->value.i;

  2588.                     break;

  2589.                     

  2590.             #ifndef __ppc__            

  2591.                 case 'a':

  2592.                     ac3_encoding = param->value.i;

  2593.                     break;

  2594.                      

  2595.                 case 'b':

  2596.                     ac3_bitrate = param->value.i;

  2597.                     break;

  2598.                     

  2599.                 case 'f':

  2600.                     ac3_lfe = param->value.i;

  2601.                     break;

  2602.             #endif

  2603. 

  2604.                 case 'r':

  2605.                     srate = param->value.ui;

  2606.                     break;

  2607. 

  2608.                 case 'p':

  2609.                     frames_per_interrupt = (unsigned int)param->value.ui;

  2610.                     break;

  2611. 

  2612.                 case 'I':

  2613.                     systemic_input_latency = param->value.ui;

  2614.                     break;

  2615. 

  2616.                 case 'O':

  2617.                     systemic_output_latency = param->value.ui;

  2618.                     break;

  2619. 

  2620.                 case 'l':

  2621.                     Jack::DisplayDeviceNames();

  2622.                     // Stops the server in this case

  2623.                     return NULL;

  2624. 

  2625.                 case 'H':

  2626.                     hogged = true;

  2627.                     break;

  2628. 

  2629.                 case 'L':

  2630.                     async_output_latency = param->value.ui;

  2631.                     break;

  2632. 

  2633.                 case 'G':

  2634.                     computation_grain = param->value.ui;

  2635.                     break;

  2636. 

  2637.                 case 's':

  2638.                     clock_drift = true;

  2639.                     break;

  2640.             }

  2641.         }

  2642. 

  2643.         /* duplex is the default */

  2644.         if (!capture && !playback) {

  2645.             capture = true;

  2646.             playback = true;

  2647.         }

  2648. 

  2649.         if (strcmp(chan_in_list, "") != 0 && chan_in >= 0) {

  2650.             printf("Input channel list and in channels are both specified, input channel list will take over...\n");

  2651.         }

  2652. 

  2653.          if (strcmp(chan_out_list, "") != 0 && chan_out >= 0) {

  2654.             printf("Output channel list and out channels are both specified, output channel list will take over...\n");

  2655.         }

  2656. 

  2657.         Jack::JackCoreAudioDriver* driver = new Jack::JackCoreAudioDriver("system", "coreaudio", engine, table);

  2658.         if (driver->Open(frames_per_interrupt,

  2659.                         srate, capture,

  2660.                         playback, chan_in,

  2661.                         chan_out, chan_in_list,

  2662.                         chan_out_list, monitor,

  2663.                         capture_driver_uid,

  2664.                         playback_driver_uid,

  2665.                         systemic_input_latency,

  2666.                         systemic_output_latency,

  2667.                         async_output_latency,

  2668.                         computation_grain,

  2669.                         hogged, clock_drift, 

  2670.                         ac3_encoding, ac3_bitrate, ac3_lfe) == 0) {

  2671.             return driver;

  2672.         } else {

  2673.             delete driver;

  2674.             return NULL;

  2675.         }

  2676.     }

  2677. 

  2678. #ifdef __cplusplus

  2679. }

  2680. #endif

  2681.