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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, int max_chan)

  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.         if (chan < 0 || chan >= max_chan) {

  272.             jack_error("Ignore incorrect channel mapping value = %d", chan);

  273.         } else {

  274.             result.push_back(chan);

  275.         }

  276.     }

  277. }

  278. 

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

  280.                                      AudioUnitRenderActionFlags* ioActionFlags,

  281.                                      const AudioTimeStamp* inTimeStamp,

  282.                                      UInt32 inBusNumber,

  283.                                      UInt32 inNumberFrames,

  284.                                      AudioBufferList* ioData)

  285. {

  286.     return static_cast<JackCoreAudioDriver*>(inRefCon)->Render(ioActionFlags, inTimeStamp, ioData);

  287. }

  288. 

  289. OSStatus JackCoreAudioDriver::Render(AudioUnitRenderActionFlags* ioActionFlags, const AudioTimeStamp* inTimeStamp,  AudioBufferList* ioData)

  290. {

  291.     fActionFags = ioActionFlags;

  292.     fCurrentTime = inTimeStamp;

  293.     fDriverOutputData = ioData;

  294. 

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

  296.     if (set_threaded_log_function()) {

  297. 

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

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

  300. 

  301.         if (fComputationGrain > 0) {

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

  303.             fEngineControl->fComputation = fEngineControl->fPeriod * fComputationGrain;

  304.         }

  305.     }

  306. 

  307.     // Signal waiting start function...

  308.     fState = true;

  309. 

  310.     CycleTakeBeginTime();

  311. 

  312.     if (Process() < 0) {

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

  314.         NotifyFailure(JackFailure | JackBackendError, "Process error, stopping driver");    // Message length limited to JACK_MESSAGE_SIZE

  315.         Stop();

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

  317.         return kAudioHardwareUnsupportedOperationError;

  318.     } else {

  319.         return noErr;

  320.     }

  321. }

  322. 

  323. int JackCoreAudioDriver::Read()

  324. {

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

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

  327.     } else {

  328.         return 0;

  329.     }

  330. }

  331. 

  332. int JackCoreAudioDriver::Write()

  333. {

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

  335.     

  336.     if (fAC3Encoder) {

  337.     

  338.         // AC3 encoding and SPDIF write

  339.         jack_default_audio_sample_t* AC3_inputs[MAX_AC3_CHANNELS];

  340.         jack_default_audio_sample_t* AC3_outputs[2];

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

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

  343.             // If not connected, clear the buffer

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

  345.                 memset(AC3_inputs[i], 0, size);

  346.             }

  347.         }

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

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

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

  351.         

  352.     } else {

  353.        

  354.         // Standard write

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

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

  357.                 jack_default_audio_sample_t* buffer = GetOutputBuffer(i);

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

  359.                 // Monitor ports

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

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

  362.                 }

  363.             } else {

  364.                 memset((jack_default_audio_sample_t*)fDriverOutputData->mBuffers[i].mData, 0, size);

  365.             }

  366.         }

  367.     }

  368.     return 0;

  369. }

  370. 

  371. OSStatus JackCoreAudioDriver::SRNotificationCallback(AudioDeviceID inDevice,

  372.                                                     UInt32 inChannel,

  373.                                                     Boolean	isInput,

  374.                                                     AudioDevicePropertyID inPropertyID,

  375.                                                     void* inClientData)

  376. {

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

  378. 

  379.     switch (inPropertyID) {

  380. 

  381.         case kAudioDevicePropertyNominalSampleRate: {

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

  383.             // Check new sample rate

  384.             Float64 tmp_sample_rate;

  385.             UInt32 outSize = sizeof(Float64);

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

  387.             if (err != noErr) {

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

  389.                 printError(err);

  390.             } else {

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

  392.             }

  393.             driver->fState = true;

  394.             break;

  395.         }

  396.     }

  397. 

  398.     return noErr;

  399. }

  400. 

  401. OSStatus JackCoreAudioDriver::BSNotificationCallback(AudioDeviceID inDevice,

  402.                                                      UInt32 inChannel,

  403.                                                      Boolean isInput,

  404.                                                      AudioDevicePropertyID inPropertyID,

  405.                                                      void* inClientData)

  406. {

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

  408. 

  409.     switch (inPropertyID) {

  410. 

  411.         case kAudioDevicePropertyBufferFrameSize: {

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

  413.             // Check new buffer size

  414.             UInt32 tmp_buffer_size;

  415.             UInt32 outSize = sizeof(UInt32);

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

  417.             if (err != noErr) {

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

  419.                 printError(err);

  420.             } else {

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

  422.             }

  423.             driver->fState = true;

  424.             break;

  425.         }

  426.     }

  427. 

  428.     return noErr;

  429. }

  430. 

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

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

  433. {

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

  435. 

  436.     switch (inPropertyID) {

  437. 

  438.         case kAudioHardwarePropertyDevices: {

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

  440.             DisplayDeviceNames();

  441.             AudioDeviceID captureID, playbackID;

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

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

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

  445. 

  446.             }

  447.             break;

  448.         }

  449.     }

  450. 

  451.     return noErr;

  452. }

  453. 

  454. OSStatus JackCoreAudioDriver::DeviceNotificationCallback(AudioDeviceID inDevice,

  455.                                                         UInt32 inChannel,

  456.                                                         Boolean	isInput,

  457.                                                         AudioDevicePropertyID inPropertyID,

  458.                                                         void* inClientData)

  459. {

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

  461. 

  462.     switch (inPropertyID) {

  463. 

  464.         case kAudioDevicePropertyDeviceIsRunning: {

  465.             UInt32 isrunning = 0;

  466.             UInt32 outsize = sizeof(UInt32);

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

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

  469.             }

  470.             break;

  471.         }

  472. 

  473.         case kAudioDevicePropertyDeviceIsAlive: {

  474.             UInt32 isalive = 0;

  475.             UInt32 outsize = sizeof(UInt32);

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

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

  478.             }

  479.             break;

  480.         }

  481. 

  482.         case kAudioDevicePropertyDeviceHasChanged: {

  483.             UInt32 hachanged = 0;

  484.             UInt32 outsize = sizeof(UInt32);

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

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

  487.             }

  488.             break;

  489.         }

  490. 

  491.         case kAudioDeviceProcessorOverload: {

  492.             jack_error("DeviceNotificationCallback kAudioDeviceProcessorOverload");

  493.             jack_time_t cur_time = GetMicroSeconds();

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

  495.             break;

  496.         }

  497. 

  498.         case kAudioDevicePropertyStreamConfiguration: {

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

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

  501.             driver->CloseAUHAL();

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

  503.             return kAudioHardwareUnsupportedOperationError;

  504.         }

  505. 

  506.         case kAudioDevicePropertyNominalSampleRate: {

  507.             Float64 sample_rate = 0;

  508.             UInt32 outsize = sizeof(Float64);

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

  510.             if (err != noErr) {

  511.                 return kAudioHardwareUnsupportedOperationError;

  512.             }

  513. 

  514.             char device_name[256];

  515.             const char* digidesign_name = "Digidesign";

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

  517. 

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

  519. 

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

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

  522. 

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

  524. 

  525.                     // Set sample rate again...

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

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

  528.                     if (err != noErr) {

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

  530.                         printError(err);

  531.                     } else {

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

  533.                     }

  534. 

  535.                     // Check new sample rate again...

  536.                     outsize = sizeof(Float64);

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

  538.                     if (err != noErr) {

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

  540.                         printError(err);

  541.                     } else {

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

  543.                     }

  544.                     return noErr;

  545. 

  546.                 } else {

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

  548.                     driver->CloseAUHAL();

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

  550.                     return kAudioHardwareUnsupportedOperationError;

  551.                 }

  552.             }

  553.         }

  554. 

  555.     }

  556.     return noErr;

  557. }

  558. 

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

  560. {

  561.     UInt32 size = sizeof(AudioValueTranslation);

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

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

  564. 

  565.     if (inIUD == NULL) {

  566.         return kAudioHardwareUnspecifiedError;

  567.     } else {

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

  569.         CFRelease(inIUD);

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

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

  572.     }

  573. }

  574. 

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

  576. {

  577.     OSStatus res;

  578.     UInt32 theSize = sizeof(UInt32);

  579.     AudioDeviceID inDefault;

  580.     AudioDeviceID outDefault;

  581. 

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

  583.         return res;

  584.     }

  585. 

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

  587.         return res;

  588.     }

  589. 

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

  591. 

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

  593.     if (inDefault != outDefault) {

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

  595.         return kAudioHardwareBadDeviceError;

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

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

  598.         return kAudioHardwareBadDeviceError;

  599.     } else {

  600.         *id = inDefault;

  601.         return noErr;

  602.     }

  603. }

  604. 

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

  606. {

  607.     OSStatus res;

  608.     UInt32 theSize = sizeof(UInt32);

  609.     AudioDeviceID inDefault;

  610. 

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

  612.         return res;

  613.     }

  614. 

  615.     if (inDefault == 0) {

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

  617.         return -1;

  618.     }

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

  620.     *id = inDefault;

  621.     return noErr;

  622. }

  623. 

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

  625. {

  626.     OSStatus res;

  627.     UInt32 theSize = sizeof(UInt32);

  628.     AudioDeviceID outDefault;

  629. 

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

  631.         return res;

  632.     }

  633. 

  634.     if (outDefault == 0) {

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

  636.         return -1;

  637.     }

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

  639.     *id = outDefault;

  640.     return noErr;

  641. }

  642. 

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

  644. {

  645.     UInt32 size = 256;

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

  647. }

  648. 

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

  650. {

  651.     OSStatus err = noErr;

  652.     UInt32 outSize;

  653.     Boolean	outWritable;

  654. 

  655.     channelCount = 0;

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

  657.     if (err == noErr) {

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

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

  660.         AudioBufferList bufferList[stream_count];

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

  662.         if (err == noErr) {

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

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

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

  666.             }

  667.         }

  668.     }

  669.     return err;

  670. }

  671. 

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

  673. {

  674.     OSStatus err = noErr;

  675.     UInt32 outSize1, outSize2, outSize3;

  676.     Boolean	outWritable;

  677. 

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

  679.     if (err == noErr) {

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

  681.         AudioStreamID streamIDs[stream_count];

  682.         AudioBufferList bufferList[stream_count];

  683.         UInt32 streamLatency;

  684.         outSize2 = sizeof(UInt32);

  685. 

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

  687.         if (err != noErr) {

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

  689.             return err;

  690.         }

  691. 

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

  693.         if (err != noErr) {

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

  695.             return err;

  696.         }

  697. 

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

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

  700.             if (err != noErr) {

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

  702.                 return err;

  703.             }

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

  705.             if (err != noErr) {

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

  707.                 return err;

  708.             }

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

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

  711.                 latencies.push_back(streamLatency);

  712.             }

  713.         }

  714.     }

  715.     return err;

  716. }

  717. 

  718. bool JackCoreAudioDriver::IsDigitalDevice(AudioDeviceID device)

  719. {

  720.     OSStatus err = noErr;

  721.     UInt32 outSize1;

  722.     bool is_digital = false;

  723.     

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

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

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

  727.     if (err != noErr) {

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

  729.         return false;

  730.     }

  731.     

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

  733.     AudioStreamID streamIDs[stream_count];

  734.     

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

  736. 

  737.     if (err != noErr) {

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

  739.         return false;

  740.     }

  741.     

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

  743.      

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

  745.    

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

  747.         int  format_num = 0;

  748.     

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

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

  751.         

  752.         if (err != noErr) {

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

  754.             return false;

  755.         }

  756. 

  757.         format_num = outSize1 / sizeof(AudioStreamRangedDescription);

  758.         AudioStreamRangedDescription format_list[format_num];

  759.       

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

  761.          

  762.         if (err != noErr) {

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

  764.             return false;

  765.         }

  766.    

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

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

  769.         

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

  771.             

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

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

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

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

  776.             {

  777.                 is_digital = true;

  778.                 break;

  779.             }

  780.         }

  781.     }

  782.        

  783.     return is_digital;

  784. }

  785. 

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

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

  788.         fAC3Encoder(NULL),

  789.         fJackInputData(NULL),

  790.         fDriverOutputData(NULL),

  791.         fPluginID(0),

  792.         fState(false),

  793.         fHogged(false),

  794.         fIOUsage(1.f),

  795.         fComputationGrain(-1.f),

  796.         fClockDriftCompensate(false),

  797.         fDigitalPlayback(false)

  798. {}

  799. 

  800. JackCoreAudioDriver::~JackCoreAudioDriver()

  801. {

  802.     delete fAC3Encoder;

  803. }

  804. 

  805. OSStatus JackCoreAudioDriver::DestroyAggregateDevice()

  806. {

  807.     OSStatus osErr = noErr;

  808.     AudioObjectPropertyAddress pluginAOPA;

  809.     pluginAOPA.mSelector = kAudioPlugInDestroyAggregateDevice;

  810.     pluginAOPA.mScope = kAudioObjectPropertyScopeGlobal;

  811.     pluginAOPA.mElement = kAudioObjectPropertyElementMaster;

  812.     UInt32 outDataSize;

  813. 

  814.     if (fPluginID > 0) {

  815. 

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

  817.         if (osErr != noErr) {

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

  819.             printError(osErr);

  820.             return osErr;

  821.         }

  822. 

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

  824.         if (osErr != noErr) {

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

  826.             printError(osErr);

  827.             return osErr;

  828.         }

  829. 

  830.     }

  831. 

  832.     return noErr;

  833. }

  834. 

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

  836. {

  837.     OSStatus err = noErr;

  838.     AudioObjectID sub_device[32];

  839.     UInt32 outSize = sizeof(sub_device);

  840. 

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

  842.     vector<AudioDeviceID> captureDeviceIDArray;

  843. 

  844.     if (err != noErr) {

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

  846.         captureDeviceIDArray.push_back(captureDeviceID);

  847.     } else {

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

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

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

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

  852.         }

  853.     }

  854. 

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

  856.     vector<AudioDeviceID> playbackDeviceIDArray;

  857. 

  858.     if (err != noErr) {

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

  860.         playbackDeviceIDArray.push_back(playbackDeviceID);

  861.     } else {

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

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

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

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

  866.         }

  867.     }

  868. 

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

  870. }

  871. 

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

  873. {

  874.     OSStatus osErr = noErr;

  875.     UInt32 outSize;

  876.     Boolean outWritable;

  877. 

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

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

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

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

  882.     UInt32 theQualifierDataSize = sizeof(AudioObjectID);

  883.     AudioClassID inClass = kAudioSubDeviceClassID;

  884.     void* theQualifierData = &inClass;

  885.     UInt32 subDevicesNum = 0;

  886. 

  887.     //---------------------------------------------------------------------------

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

  889.     //---------------------------------------------------------------------------

  890.     UInt32 keptclockdomain = 0;

  891.     UInt32 clockdomain = 0;

  892.     outSize = sizeof(UInt32);

  893.     bool need_clock_drift_compensation = false;

  894. 

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

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

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

  898.         } else  {

  899.             // Check clock domain

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

  901.             if (osErr != 0) {

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

  903.                 printError(osErr);

  904.             } else {

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

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

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

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

  909.                     need_clock_drift_compensation = true;

  910.                 }

  911.             }

  912.         }

  913.     }

  914. 

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

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

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

  918.         } else {

  919.             // Check clock domain

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

  921.             if (osErr != 0) {

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

  923.                 printError(osErr);

  924.             } else {

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

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

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

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

  929.                     need_clock_drift_compensation = true;

  930.                 }

  931.             }

  932.         }

  933.     }

  934. 

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

  936.     if (keptclockdomain == 0) {

  937.         need_clock_drift_compensation = true;

  938.     }

  939. 

  940.     //---------------------------------------------------------------------------

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

  942.     //---------------------------------------------------------------------------

  943. 

  944.     char device_name[256];

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

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

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

  948.     }

  949. 

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

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

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

  953.     }

  954. 

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

  956.     if (osErr != noErr) {

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

  958.         printError(osErr);

  959.         return osErr;

  960.     }

  961. 

  962.     AudioValueTranslation pluginAVT;

  963. 

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

  965. 

  966.     pluginAVT.mInputData = &inBundleRef;

  967.     pluginAVT.mInputDataSize = sizeof(inBundleRef);

  968.     pluginAVT.mOutputData = &fPluginID;

  969.     pluginAVT.mOutputDataSize = sizeof(fPluginID);

  970. 

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

  972.     if (osErr != noErr) {

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

  974.         printError(osErr);

  975.         return osErr;

  976.     }

  977. 

  978.     //-------------------------------------------------

  979.     // Create a CFDictionary for our aggregate device

  980.     //-------------------------------------------------

  981. 

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

  983. 

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

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

  986. 

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

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

  989. 

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

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

  992. 

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

  994.     int value = 1;

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

  996. 

  997.     SInt32 system;

  998.     Gestalt(gestaltSystemVersion, &system);

  999. 

  1000.     jack_log("JackCoreAudioDriver::CreateAggregateDevice : system version = %x limit = %x", system, 0x00001054);

  1001. 

  1002.     // Starting with 10.5.4 systems, the AD can be internal... (better)

  1003.     if (system < 0x00001054) {

  1004.         jack_log("JackCoreAudioDriver::CreateAggregateDevice : public aggregate device....");

  1005.     } else {

  1006.         jack_log("JackCoreAudioDriver::CreateAggregateDevice : private aggregate device....");

  1007.         CFDictionaryAddValue(aggDeviceDict, CFSTR(kAudioAggregateDeviceIsPrivateKey), AggregateDeviceNumberRef);

  1008.     }

  1009. 

  1010.     // Prepare sub-devices for clock drift compensation

  1011.     CFMutableArrayRef subDevicesArrayClock = NULL;

  1012. 

  1013.     /*

  1014.     if (fClockDriftCompensate) {

  1015.         if (need_clock_drift_compensation) {

  1016.             jack_info("Clock drift compensation activated...");

  1017.             subDevicesArrayClock = CFArrayCreateMutable(NULL, 0, &kCFTypeArrayCallBacks);

  1018. 

  1019.             for (UInt32 i = 0; i < captureDeviceID.size(); i++) {

  1020.                 CFStringRef UID = GetDeviceName(captureDeviceID[i]);

  1021.                 if (UID) {

  1022.                     CFMutableDictionaryRef subdeviceAggDeviceDict = CFDictionaryCreateMutable(NULL, 0, &kCFTypeDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks);

  1023.                     CFDictionaryAddValue(subdeviceAggDeviceDict, CFSTR(kAudioSubDeviceUIDKey), UID);

  1024.                     CFDictionaryAddValue(subdeviceAggDeviceDict, CFSTR(kAudioSubDeviceDriftCompensationKey), AggregateDeviceNumberRef);

  1025.                     //CFRelease(UID);

  1026.                     CFArrayAppendValue(subDevicesArrayClock, subdeviceAggDeviceDict);

  1027.                 }

  1028.             }

  1029. 

  1030.             for (UInt32 i = 0; i < playbackDeviceID.size(); i++) {

  1031.                 CFStringRef UID = GetDeviceName(playbackDeviceID[i]);

  1032.                 if (UID) {

  1033.                     CFMutableDictionaryRef subdeviceAggDeviceDict = CFDictionaryCreateMutable(NULL, 0, &kCFTypeDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks);

  1034.                     CFDictionaryAddValue(subdeviceAggDeviceDict, CFSTR(kAudioSubDeviceUIDKey), UID);

  1035.                     CFDictionaryAddValue(subdeviceAggDeviceDict, CFSTR(kAudioSubDeviceDriftCompensationKey), AggregateDeviceNumberRef);

  1036.                     //CFRelease(UID);

  1037.                     CFArrayAppendValue(subDevicesArrayClock, subdeviceAggDeviceDict);

  1038.                 }

  1039.             }

  1040. 

  1041.             // add sub-device clock array for the aggregate device to the dictionary

  1042.             CFDictionaryAddValue(aggDeviceDict, CFSTR(kAudioAggregateDeviceSubDeviceListKey), subDevicesArrayClock);

  1043.         } else {

  1044.             jack_info("Clock drift compensation was asked but is not needed (devices use the same clock domain)");

  1045.         }

  1046.     }

  1047.     */

  1048. 

  1049.     //-------------------------------------------------

  1050.     // Create a CFMutableArray for our sub-device list

  1051.     //-------------------------------------------------

  1052. 

  1053.     // we need to append the UID for each device to a CFMutableArray, so create one here

  1054.     CFMutableArrayRef subDevicesArray = CFArrayCreateMutable(NULL, 0, &kCFTypeArrayCallBacks);

  1055. 

  1056.     vector<CFStringRef> captureDeviceUID;

  1057.     for (UInt32 i = 0; i < captureDeviceID.size(); i++) {

  1058.         CFStringRef ref = GetDeviceName(captureDeviceID[i]);

  1059.         if (ref == NULL) {

  1060.             return -1;

  1061.         }

  1062.         captureDeviceUID.push_back(ref);

  1063.         // input sub-devices in this example, so append the sub-device's UID to the CFArray

  1064.         CFArrayAppendValue(subDevicesArray, ref);

  1065.    }

  1066. 

  1067.     vector<CFStringRef> playbackDeviceUID;

  1068.     for (UInt32 i = 0; i < playbackDeviceID.size(); i++) {

  1069.         CFStringRef ref = GetDeviceName(playbackDeviceID[i]);

  1070.         if (ref == NULL) {

  1071.             return -1;

  1072.         }

  1073.         playbackDeviceUID.push_back(ref);

  1074.         // output sub-devices in this example, so append the sub-device's UID to the CFArray

  1075.         CFArrayAppendValue(subDevicesArray, ref);

  1076.     }

  1077. 

  1078.     //-----------------------------------------------------------------------

  1079.     // Feed the dictionary to the plugin, to create a blank aggregate device

  1080.     //-----------------------------------------------------------------------

  1081. 

  1082.     AudioObjectPropertyAddress pluginAOPA;

  1083.     pluginAOPA.mSelector = kAudioPlugInCreateAggregateDevice;

  1084.     pluginAOPA.mScope = kAudioObjectPropertyScopeGlobal;

  1085.     pluginAOPA.mElement = kAudioObjectPropertyElementMaster;

  1086.     UInt32 outDataSize;

  1087. 

  1088.     osErr = AudioObjectGetPropertyDataSize(fPluginID, &pluginAOPA, 0, NULL, &outDataSize);

  1089.     if (osErr != noErr) {

  1090.         jack_error("CreateAggregateDevice : AudioObjectGetPropertyDataSize error");

  1091.         printError(osErr);

  1092.         goto error;

  1093.     }

  1094. 

  1095.     osErr = AudioObjectGetPropertyData(fPluginID, &pluginAOPA, sizeof(aggDeviceDict), &aggDeviceDict, &outDataSize, outAggregateDevice);

  1096.     if (osErr != noErr) {

  1097.         jack_error("CreateAggregateDevice : AudioObjectGetPropertyData error");

  1098.         printError(osErr);

  1099.         goto error;

  1100.     }

  1101. 

  1102.     // pause for a bit to make sure that everything completed correctly

  1103.     // this is to work around a bug in the HAL where a new aggregate device seems to disappear briefly after it is created

  1104.     CFRunLoopRunInMode(kCFRunLoopDefaultMode, 0.1, false);

  1105. 

  1106.     //-------------------------

  1107.     // Set the sub-device list

  1108.     //-------------------------

  1109. 

  1110.     pluginAOPA.mSelector = kAudioAggregateDevicePropertyFullSubDeviceList;

  1111.     pluginAOPA.mScope = kAudioObjectPropertyScopeGlobal;

  1112.     pluginAOPA.mElement = kAudioObjectPropertyElementMaster;

  1113.     outDataSize = sizeof(CFMutableArrayRef);

  1114.     osErr = AudioObjectSetPropertyData(*outAggregateDevice, &pluginAOPA, 0, NULL, outDataSize, &subDevicesArray);

  1115.     if (osErr != noErr) {

  1116.         jack_error("CreateAggregateDevice : AudioObjectSetPropertyData for sub-device list error");

  1117.         printError(osErr);

  1118.         goto error;

  1119.     }

  1120. 

  1121.     // pause again to give the changes time to take effect

  1122.     CFRunLoopRunInMode(kCFRunLoopDefaultMode, 0.1, false);

  1123. 

  1124.     //-----------------------

  1125.     // Set the master device

  1126.     //-----------------------

  1127. 

  1128.     // set the master device manually (this is the device which will act as the master clock for the aggregate device)

  1129.     // pass in the UID of the device you want to use

  1130.     pluginAOPA.mSelector = kAudioAggregateDevicePropertyMasterSubDevice;

  1131.     pluginAOPA.mScope = kAudioObjectPropertyScopeGlobal;

  1132.     pluginAOPA.mElement = kAudioObjectPropertyElementMaster;

  1133.     outDataSize = sizeof(CFStringRef);

  1134.     osErr = AudioObjectSetPropertyData(*outAggregateDevice, &pluginAOPA, 0, NULL, outDataSize, &captureDeviceUID[0]);  // First apture is master...

  1135.     if (osErr != noErr) {

  1136.         jack_error("CreateAggregateDevice : AudioObjectSetPropertyData for master device error");

  1137.         printError(osErr);

  1138.         goto error;

  1139.     }

  1140. 

  1141.     // pause again to give the changes time to take effect

  1142.     CFRunLoopRunInMode(kCFRunLoopDefaultMode, 0.1, false);

  1143. 

  1144.     // Prepare sub-devices for clock drift compensation

  1145.     // Workaround for bug in the HAL : until 10.6.2

  1146. 

  1147.     if (fClockDriftCompensate) {

  1148.         if (need_clock_drift_compensation) {

  1149.             jack_info("Clock drift compensation activated...");

  1150. 

  1151.             // Get the property data size

  1152.             osErr = AudioObjectGetPropertyDataSize(*outAggregateDevice, &theAddressOwned, theQualifierDataSize, theQualifierData, &outSize);

  1153.             if (osErr != noErr) {

  1154.                 jack_error("CreateAggregateDevice kAudioObjectPropertyOwnedObjects error");

  1155.                 printError(osErr);

  1156.             }

  1157. 

  1158.             //	Calculate the number of object IDs

  1159.             subDevicesNum = outSize / sizeof(AudioObjectID);

  1160.             jack_info("JackCoreAudioDriver::CreateAggregateDevice clock drift compensation, number of sub-devices = %d", subDevicesNum);

  1161.             AudioObjectID subDevices[subDevicesNum];

  1162.             outSize = sizeof(subDevices);

  1163. 

  1164.             osErr = AudioObjectGetPropertyData(*outAggregateDevice, &theAddressOwned, theQualifierDataSize, theQualifierData, &outSize, subDevices);

  1165.             if (osErr != noErr) {

  1166.                 jack_error("CreateAggregateDevice kAudioObjectPropertyOwnedObjects error");

  1167.                 printError(osErr);

  1168.             }

  1169. 

  1170.             // Set kAudioSubDevicePropertyDriftCompensation property...

  1171.             for (UInt32 index = 0; index < subDevicesNum; ++index) {

  1172.                 UInt32 theDriftCompensationValue = 1;

  1173.                 osErr = AudioObjectSetPropertyData(subDevices[index], &theAddressDrift, 0, NULL, sizeof(UInt32), &theDriftCompensationValue);

  1174.                 if (osErr != noErr) {

  1175.                     jack_error("CreateAggregateDevice kAudioSubDevicePropertyDriftCompensation error");

  1176.                     printError(osErr);

  1177.                 }

  1178.             }

  1179.         } else {

  1180.             jack_info("Clock drift compensation was asked but is not needed (devices use the same clock domain)");

  1181.         }

  1182.     }

  1183. 

  1184.     // pause again to give the changes time to take effect

  1185.     CFRunLoopRunInMode(kCFRunLoopDefaultMode, 0.1, false);

  1186. 

  1187.     //----------

  1188.     // Clean up

  1189.     //----------

  1190. 

  1191.     // release the private AD key

  1192.     CFRelease(AggregateDeviceNumberRef);

  1193. 

  1194.     // release the CF objects we have created - we don't need them any more

  1195.     CFRelease(aggDeviceDict);

  1196.     CFRelease(subDevicesArray);

  1197. 

  1198.     if (subDevicesArrayClock) {

  1199.         CFRelease(subDevicesArrayClock);

  1200.     }

  1201. 

  1202.     // release the device UID

  1203.     for (UInt32 i = 0; i < captureDeviceUID.size(); i++) {

  1204.         CFRelease(captureDeviceUID[i]);

  1205.     }

  1206. 

  1207.     for (UInt32 i = 0; i < playbackDeviceUID.size(); i++) {

  1208.         CFRelease(playbackDeviceUID[i]);

  1209.     }

  1210. 

  1211.     jack_log("JackCoreAudioDriver::CreateAggregateDeviceAux : new aggregate device %ld", *outAggregateDevice);

  1212.     return noErr;

  1213. 

  1214. error:

  1215.     DestroyAggregateDevice();

  1216.     return -1;

  1217. }

  1218. 

  1219. int JackCoreAudioDriver::SetupDevices(const char* capture_driver_uid,

  1220.                                       const char* playback_driver_uid,

  1221.                                       char* capture_driver_name,

  1222.                                       char* playback_driver_name,

  1223.                                       jack_nframes_t samplerate,

  1224.                                       bool ac3_encoding)

  1225. {

  1226.     capture_driver_name[0] = 0;

  1227.     playback_driver_name[0] = 0;

  1228. 

  1229.     // Duplex

  1230.     if (strcmp(capture_driver_uid, "") != 0 && strcmp(playback_driver_uid, "") != 0) {

  1231.         jack_log("JackCoreAudioDriver::SetupDevices : duplex");

  1232. 

  1233.         // Same device for capture and playback...

  1234.         if (strcmp(capture_driver_uid, playback_driver_uid) == 0)  {

  1235. 

  1236.             if (GetDeviceIDFromUID(playback_driver_uid, &fDeviceID) != noErr) {

  1237.                 jack_log("JackCoreAudioDriver::SetupDevices : will take default in/out");

  1238.                 if (GetDefaultDevice(&fDeviceID) != noErr) {

  1239.                     jack_error("Cannot open default device");

  1240.                     return -1;

  1241.                 }

  1242.             }

  1243.             if (GetDeviceNameFromID(fDeviceID, capture_driver_name) != noErr || GetDeviceNameFromID(fDeviceID, playback_driver_name) != noErr) {

  1244.                 jack_error("Cannot get device name from device ID");

  1245.                 return -1;

  1246.             }

  1247.             

  1248.             if (fHogged) {

  1249.                 if (!TakeHogAux(fDeviceID, false)) {

  1250.                     jack_error("Cannot take hog mode");

  1251.                 } 

  1252.                 if (ac3_encoding) {

  1253.                     fDigitalPlayback = IsDigitalDevice(fDeviceID);

  1254.                 }

  1255.             }

  1256. 

  1257.         } else {

  1258. 

  1259.             // Creates aggregate device

  1260.             AudioDeviceID captureID = -1;

  1261.             AudioDeviceID playbackID = -1;

  1262.     

  1263.             if (GetDeviceIDFromUID(capture_driver_uid, &captureID) != noErr) {

  1264.                 jack_log("JackCoreAudioDriver::SetupDevices : will take default input");

  1265.                 if (GetDefaultInputDevice(&captureID) != noErr) {

  1266.                     jack_error("Cannot open default input device");

  1267.                     return -1;

  1268.                 }

  1269.             }

  1270. 

  1271.             if (GetDeviceIDFromUID(playback_driver_uid, &playbackID) != noErr) {

  1272.                 jack_log("JackCoreAudioDriver::SetupDevices : will take default output");

  1273.                 if (GetDefaultOutputDevice(&playbackID) != noErr) {

  1274.                     jack_error("Cannot open default output device");

  1275.                     return -1;

  1276.                 }

  1277.             }

  1278. 

  1279.             if (CreateAggregateDevice(captureID, playbackID, samplerate, &fDeviceID) != noErr) {

  1280.                 return -1;

  1281.             }

  1282. 

  1283.             GetDeviceNameFromID(captureID, fCaptureUID);

  1284.             GetDeviceNameFromID(playbackID, fPlaybackUID);

  1285.             

  1286.             if (fHogged) {

  1287.                 if (!TakeHogAux(captureID, true)) {

  1288.                     jack_error("Cannot take hog mode for capture device");

  1289.                 }

  1290.                 if (!TakeHogAux(playbackID, false)) {

  1291.                     jack_error("Cannot take hog mode for playback device");

  1292.                 }

  1293.                 if (ac3_encoding) {

  1294.                     fDigitalPlayback = IsDigitalDevice(playbackID);

  1295.                 }

  1296.             }

  1297.             

  1298.         }

  1299. 

  1300.     // Capture only

  1301.     } else if (strcmp(capture_driver_uid, "") != 0) {

  1302.         jack_log("JackCoreAudioDriver::SetupDevices : capture only");

  1303.         if (GetDeviceIDFromUID(capture_driver_uid, &fDeviceID) != noErr) {

  1304.             jack_log("JackCoreAudioDriver::SetupDevices : will take default input");

  1305.             if (GetDefaultInputDevice(&fDeviceID) != noErr) {

  1306.                 jack_error("Cannot open default input device");

  1307.                 return -1;

  1308.             }

  1309.         }

  1310.         if (GetDeviceNameFromID(fDeviceID, capture_driver_name) != noErr) {

  1311.             jack_error("Cannot get device name from device ID");

  1312.             return -1;

  1313.         }

  1314.         

  1315.         if (fHogged) {

  1316.             if (!TakeHogAux(fDeviceID, true)) {

  1317.                 jack_error("Cannot take hog mode for capture device");

  1318.             }

  1319.         }

  1320. 

  1321.     // Playback only

  1322.     } else if (strcmp(playback_driver_uid, "") != 0) {

  1323.         jack_log("JackCoreAudioDriver::SetupDevices : playback only");

  1324.         if (GetDeviceIDFromUID(playback_driver_uid, &fDeviceID) != noErr) {

  1325.             jack_log("JackCoreAudioDriver::SetupDevices : will take default output");

  1326.             if (GetDefaultOutputDevice(&fDeviceID) != noErr) {

  1327.                 jack_error("Cannot open default output device");

  1328.                 return -1;

  1329.             }

  1330.         }

  1331.         if (GetDeviceNameFromID(fDeviceID, playback_driver_name) != noErr) {

  1332.             jack_error("Cannot get device name from device ID");

  1333.             return -1;

  1334.         }

  1335.         

  1336.         if (fHogged) {

  1337.             if (!TakeHogAux(fDeviceID, false)) {

  1338.                 jack_error("Cannot take hog mode for playback device");

  1339.             }

  1340.             if (ac3_encoding) {

  1341.                 fDigitalPlayback = IsDigitalDevice(fDeviceID);

  1342.             }

  1343.         }

  1344. 

  1345.     // Use default driver in duplex mode

  1346.     } else {

  1347.         jack_log("JackCoreAudioDriver::SetupDevices : default driver");

  1348.         if (GetDefaultDevice(&fDeviceID) != noErr) {

  1349.             jack_error("Cannot open default device in duplex mode, so aggregate default input and default output");

  1350. 

  1351.             // Creates aggregate device

  1352.             AudioDeviceID captureID = -1;

  1353.             AudioDeviceID playbackID = -1;

  1354.             

  1355.             if (GetDeviceIDFromUID(capture_driver_uid, &captureID) != noErr) {

  1356.                 jack_log("JackCoreAudioDriver::SetupDevices : will take default input");

  1357.                 if (GetDefaultInputDevice(&captureID) != noErr) {

  1358.                     jack_error("Cannot open default input device");

  1359.                     return -1;

  1360.                 }

  1361.             }

  1362. 

  1363.             if (GetDeviceIDFromUID(playback_driver_uid, &playbackID) != noErr) {

  1364.                 jack_log("JackCoreAudioDriver::SetupDevices : will take default output");

  1365.                 if (GetDefaultOutputDevice(&playbackID) != noErr) {

  1366.                     jack_error("Cannot open default output device");

  1367.                     return -1;

  1368.                 }

  1369.             }

  1370. 

  1371.             if (CreateAggregateDevice(captureID, playbackID, samplerate, &fDeviceID) != noErr) {

  1372.                 return -1;

  1373.             }

  1374. 

  1375.             GetDeviceNameFromID(captureID, fCaptureUID);

  1376.             GetDeviceNameFromID(playbackID, fPlaybackUID);

  1377.             

  1378.             if (fHogged) {

  1379.                 if (!TakeHogAux(captureID, true)) {

  1380.                     jack_error("Cannot take hog mode for capture device");

  1381.                 }

  1382.                 if (!TakeHogAux(playbackID, false)) {

  1383.                     jack_error("Cannot take hog mode for playback device");

  1384.                 }

  1385.                 if (ac3_encoding) {

  1386.                     fDigitalPlayback = IsDigitalDevice(playbackID);

  1387.                 }

  1388.             }

  1389.         }

  1390.     }

  1391.      

  1392.     return 0;

  1393. }

  1394. 

  1395. /*

  1396. Return the max possible input channels in in_maxChannels and output channels in out_maxChannels.

  1397. */

  1398. int JackCoreAudioDriver::SetupChannels(bool capturing, bool playing, int& inchannels, int& outchannels, int& in_maxChannels, int& out_maxChannels, bool strict)

  1399. {

  1400.     OSStatus err = noErr;

  1401. 

  1402.     if (capturing) {

  1403.         err = GetTotalChannels(fDeviceID, in_maxChannels, true);

  1404.         if (err != noErr) {

  1405.             jack_error("SetupChannels : cannot get input channel number");

  1406.             printError(err);

  1407.             return -1;

  1408.         } else {

  1409.             jack_log("JackCoreAudioDriver::SetupChannels : max input channels : %d", in_maxChannels);

  1410.         }

  1411.     }

  1412. 

  1413.     if (playing) {

  1414.         err = GetTotalChannels(fDeviceID, out_maxChannels, false);

  1415.         if (err != noErr) {

  1416.             jack_error("Cannot get output channel number");

  1417.             printError(err);

  1418.             return -1;

  1419.         } else {

  1420.             jack_log("JackCoreAudioDriver::SetupChannels : max output channels : %d", out_maxChannels);

  1421.         }

  1422.     }

  1423. 

  1424.     if (inchannels > in_maxChannels) {

  1425.         jack_error("This device hasn't required input channels inchannels = %d in_maxChannels = %d", inchannels, in_maxChannels);

  1426.         if (strict) {

  1427.             return -1;

  1428.         }

  1429.     }

  1430. 

  1431.     if (outchannels > out_maxChannels) {

  1432.         jack_error("This device hasn't required output channels outchannels = %d out_maxChannels = %d", outchannels, out_maxChannels);

  1433.         if (strict) {

  1434.             return -1;

  1435.         }

  1436.     }

  1437. 

  1438.     if (inchannels == -1) {

  1439.         jack_log("JackCoreAudioDriver::SetupChannels : setup max in channels = %d", in_maxChannels);

  1440.         inchannels = in_maxChannels;

  1441.     }

  1442. 

  1443.     if (outchannels == -1) {

  1444.         jack_log("JackCoreAudioDriver::SetupChannels : setup max out channels = %d", out_maxChannels);

  1445.         outchannels = out_maxChannels;

  1446.     }

  1447. 

  1448.     return 0;

  1449. }

  1450. 

  1451. int JackCoreAudioDriver::SetupBufferSize(jack_nframes_t buffer_size)

  1452. {

  1453.     // Setting buffer size

  1454.     OSStatus err = noErr;

  1455.     UInt32 tmp_buffer_size = buffer_size;

  1456.     UInt32 outSize = sizeof(UInt32);

  1457. 

  1458.     err = AudioDeviceGetProperty(fDeviceID, 0, kAudioDeviceSectionGlobal, kAudioDevicePropertyBufferFrameSize, &outSize, &tmp_buffer_size);

  1459.     if (err != noErr) {

  1460.         jack_error("Cannot get buffer size %ld", buffer_size);

  1461.         printError(err);

  1462.         return -1;

  1463.     } else {

  1464.         jack_log("JackCoreAudioDriver::SetupBufferSize : current buffer size = %ld", tmp_buffer_size);

  1465.     }

  1466. 

  1467.     // If needed, set new buffer size

  1468.     if (buffer_size != tmp_buffer_size) {

  1469.         tmp_buffer_size = buffer_size;

  1470. 

  1471.         // To get BS change notification

  1472.         err = AudioDeviceAddPropertyListener(fDeviceID, 0, true, kAudioDevicePropertyBufferFrameSize, BSNotificationCallback, this);

  1473.         if (err != noErr) {

  1474.             jack_error("Error calling AudioDeviceAddPropertyListener with kAudioDevicePropertyBufferFrameSize");

  1475.             printError(err);

  1476.             return -1;

  1477.         }

  1478. 

  1479.         // Waiting for BS change notification

  1480.         int count = 0;

  1481.         fState = false;

  1482. 

  1483.         err = AudioDeviceSetProperty(fDeviceID, NULL, 0, kAudioDeviceSectionGlobal, kAudioDevicePropertyBufferFrameSize, outSize, &tmp_buffer_size);

  1484.         if (err != noErr) {

  1485.             jack_error("SetupBufferSize : cannot set buffer size = %ld", tmp_buffer_size);

  1486.             printError(err);

  1487.             goto error;

  1488.         }

  1489. 

  1490.         while (!fState && count++ < WAIT_NOTIFICATION_COUNTER) {

  1491.             usleep(100000);

  1492.             jack_log("JackCoreAudioDriver::SetupBufferSize : wait count = %d", count);

  1493.         }

  1494. 

  1495.         if (count >= WAIT_NOTIFICATION_COUNTER) {

  1496.             jack_error("Did not get buffer size notification...");

  1497.             goto error;

  1498.         }

  1499. 

  1500.         // Check new buffer size

  1501.         outSize = sizeof(UInt32);

  1502.         err = AudioDeviceGetProperty(fDeviceID, 0, kAudioDeviceSectionGlobal, kAudioDevicePropertyBufferFrameSize, &outSize, &tmp_buffer_size);

  1503.         if (err != noErr) {

  1504.             jack_error("Cannot get current buffer size");

  1505.             printError(err);

  1506.         } else {

  1507.             jack_log("JackCoreAudioDriver::SetupBufferSize : checked buffer size = %ld", tmp_buffer_size);

  1508.         }

  1509. 

  1510.         // Remove BS change notification

  1511.         AudioDeviceRemovePropertyListener(fDeviceID, 0, true, kAudioDevicePropertyBufferFrameSize, BSNotificationCallback);

  1512.     }

  1513. 

  1514.     return 0;

  1515. 

  1516. error:

  1517. 

  1518.     // Remove BS change notification

  1519.     AudioDeviceRemovePropertyListener(fDeviceID, 0, true, kAudioDevicePropertyBufferFrameSize, BSNotificationCallback);

  1520.     return -1;

  1521. }

  1522. 

  1523. int JackCoreAudioDriver::SetupSampleRate(jack_nframes_t sample_rate)

  1524. {

  1525.     return SetupSampleRateAux(fDeviceID, sample_rate);

  1526. }

  1527. 

  1528. int JackCoreAudioDriver::SetupSampleRateAux(AudioDeviceID inDevice, jack_nframes_t sample_rate)

  1529. {

  1530.     OSStatus err = noErr;

  1531.     UInt32 outSize;

  1532.     Float64 tmp_sample_rate;

  1533. 

  1534.     // Get sample rate

  1535.     outSize =  sizeof(Float64);

  1536.     err = AudioDeviceGetProperty(inDevice, 0, kAudioDeviceSectionGlobal, kAudioDevicePropertyNominalSampleRate, &outSize, &tmp_sample_rate);

  1537.     if (err != noErr) {

  1538.         jack_error("Cannot get current sample rate");

  1539.         printError(err);

  1540.         return -1;

  1541.     } else {

  1542.         jack_log("JackCoreAudioDriver::SetupSampleRateAux : current sample rate = %f", tmp_sample_rate);

  1543.     }

  1544. 

  1545.     // If needed, set new sample rate

  1546.     if (sample_rate != (jack_nframes_t)tmp_sample_rate) {

  1547.         tmp_sample_rate = (Float64)sample_rate;

  1548. 

  1549.         // To get SR change notification

  1550.         err = AudioDeviceAddPropertyListener(inDevice, 0, true, kAudioDevicePropertyNominalSampleRate, SRNotificationCallback, this);

  1551.         if (err != noErr) {

  1552.             jack_error("Error calling AudioDeviceAddPropertyListener with kAudioDevicePropertyNominalSampleRate");

  1553.             printError(err);

  1554.             return -1;

  1555.         }

  1556. 

  1557.         // Waiting for SR change notification

  1558.         int count = 0;

  1559.         fState = false;

  1560. 

  1561.         err = AudioDeviceSetProperty(inDevice, NULL, 0, kAudioDeviceSectionGlobal, kAudioDevicePropertyNominalSampleRate, outSize, &tmp_sample_rate);

  1562.         if (err != noErr) {

  1563.             jack_error("Cannot set sample rate = %ld", sample_rate);

  1564.             printError(err);

  1565.             goto error;

  1566.         }

  1567. 

  1568.         while (!fState && count++ < WAIT_NOTIFICATION_COUNTER) {

  1569.             usleep(100000);

  1570.             jack_log("JackCoreAudioDriver::SetupSampleRateAux : wait count = %d", count);

  1571.         }

  1572. 

  1573.         if (count >= WAIT_NOTIFICATION_COUNTER) {

  1574.             jack_error("Did not get sample rate notification...");

  1575.             goto error;

  1576.         }

  1577. 

  1578.         // Check new sample rate

  1579.         outSize = sizeof(Float64);

  1580.         err = AudioDeviceGetProperty(inDevice, 0, kAudioDeviceSectionGlobal, kAudioDevicePropertyNominalSampleRate, &outSize, &tmp_sample_rate);

  1581.         if (err != noErr) {

  1582.             jack_error("Cannot get current sample rate");

  1583.             printError(err);

  1584.         } else {

  1585.             jack_log("JackCoreAudioDriver::SetupSampleRateAux : checked sample rate = %f", tmp_sample_rate);

  1586.         }

  1587. 

  1588.         // Remove SR change notification

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

  1590.     }

  1591. 

  1592.     return 0;

  1593. 

  1594. error:

  1595. 

  1596.     // Remove SR change notification

  1597.     AudioDeviceRemovePropertyListener(inDevice, 0, true, kAudioDevicePropertyNominalSampleRate, SRNotificationCallback);

  1598.     return -1;

  1599. }

  1600. 

  1601. int JackCoreAudioDriver::OpenAUHAL(bool capturing,

  1602.                                    bool playing,

  1603.                                    int inchannels,

  1604.                                    int outchannels,

  1605.                                    int in_maxChannels,

  1606.                                    int out_maxChannels,

  1607.                                    const vector<int>& chan_in_list,

  1608.                                    const vector<int>& chan_out_list,

  1609.                                    jack_nframes_t buffer_size,

  1610.                                    jack_nframes_t sample_rate)

  1611. {

  1612.     ComponentResult err1;

  1613.     UInt32 enableIO;

  1614.     AudioStreamBasicDescription srcFormat, dstFormat;

  1615.     AudioDeviceID currAudioDeviceID;

  1616.     UInt32 size;

  1617. 

  1618.     jack_log("JackCoreAudioDriver::OpenAUHAL : capturing = %d playing = %d inchannels = %d outchannels = %d in_maxChannels = %d out_maxChannels = %d chan_in_list = %d chan_out_list = %d",

  1619.         capturing, playing, inchannels, outchannels, in_maxChannels, out_maxChannels, chan_in_list.size(), chan_out_list.size());

  1620. 

  1621.     if (inchannels == 0 && outchannels == 0) {

  1622.         jack_error("No input and output channels...");

  1623.         return -1;

  1624.     }

  1625.     

  1626.     // AUHAL

  1627. #ifdef MAC_OS_X_VERSION_10_5

  1628.     ComponentDescription cd = {kAudioUnitType_Output, kAudioUnitSubType_HALOutput, kAudioUnitManufacturer_Apple, 0, 0};

  1629.     Component HALOutput = FindNextComponent(NULL, &cd);

  1630.     err1 = OpenAComponent(HALOutput, &fAUHAL);

  1631.     if (err1 != noErr) {

  1632.         jack_error("Error calling OpenAComponent");

  1633.         printError(err1);

  1634.         goto error;

  1635.     }

  1636. #else 

  1637.     AudioComponentDescription cd = {kAudioUnitType_Output, kAudioUnitSubType_HALOutput, kAudioUnitManufacturer_Apple, 0, 0};

  1638.     AudioComponent HALOutput = AudioComponentFindNext(NULL, &cd);

  1639.     err1 = AudioComponentInstanceNew(HALOutput, &fAUHAL);

  1640.     if (err1 != noErr) {

  1641.         jack_error("Error calling AudioComponentInstanceNew");

  1642.         printError(err1);

  1643.         goto error;

  1644.     }

  1645. #endif

  1646. 

  1647.     err1 = AudioUnitInitialize(fAUHAL);

  1648.     if (err1 != noErr) {

  1649.         jack_error("Cannot initialize AUHAL unit");

  1650.         printError(err1);

  1651.         goto error;

  1652.     }

  1653.     

  1654.     // Start I/O

  1655.     if (capturing && inchannels > 0) {

  1656.         enableIO = 1;

  1657.         jack_log("JackCoreAudioDriver::OpenAUHAL : setup AUHAL input on");

  1658.     } else {

  1659.         enableIO = 0;

  1660.         jack_log("JackCoreAudioDriver::OpenAUHAL : setup AUHAL input off");

  1661.     }

  1662. 

  1663.     err1 = AudioUnitSetProperty(fAUHAL, kAudioOutputUnitProperty_EnableIO, kAudioUnitScope_Input, 1, &enableIO, sizeof(enableIO));

  1664.     if (err1 != noErr) {

  1665.         jack_error("Error calling AudioUnitSetProperty - kAudioOutputUnitProperty_EnableIO, kAudioUnitScope_Input");

  1666.         printError(err1);

  1667.         goto error;

  1668.     }

  1669. 

  1670.     if (playing && outchannels > 0) {

  1671.         enableIO = 1;

  1672.         jack_log("JackCoreAudioDriver::OpenAUHAL : setup AUHAL output on");

  1673.     } else {

  1674.         enableIO = 0;

  1675.         jack_log("JackCoreAudioDriver::OpenAUHAL : setup AUHAL output off");

  1676.     }

  1677. 

  1678.     err1 = AudioUnitSetProperty(fAUHAL, kAudioOutputUnitProperty_EnableIO, kAudioUnitScope_Output, 0, &enableIO, sizeof(enableIO));

  1679.     if (err1 != noErr) {

  1680.         jack_error("Error calling AudioUnitSetProperty - kAudioOutputUnitProperty_EnableIO,kAudioUnitScope_Output");

  1681.         printError(err1);

  1682.         goto error;

  1683.     }

  1684. 

  1685.     size = sizeof(AudioDeviceID);

  1686.     err1 = AudioUnitGetProperty(fAUHAL, kAudioOutputUnitProperty_CurrentDevice, kAudioUnitScope_Global, 0, &currAudioDeviceID, &size);

  1687.     if (err1 != noErr) {

  1688.         jack_error("Error calling AudioUnitGetProperty - kAudioOutputUnitProperty_CurrentDevice");

  1689.         printError(err1);

  1690.         goto error;

  1691.     } else {

  1692.         jack_log("JackCoreAudioDriver::OpenAUHAL : AudioUnitGetPropertyCurrentDevice = %d", currAudioDeviceID);

  1693.     }

  1694. 

  1695.     // Setup up choosen device, in both input and output cases

  1696.     err1 = AudioUnitSetProperty(fAUHAL, kAudioOutputUnitProperty_CurrentDevice, kAudioUnitScope_Global, 0, &fDeviceID, sizeof(AudioDeviceID));

  1697.     if (err1 != noErr) {

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

  1699.         printError(err1);

  1700.         goto error;

  1701.     }

  1702. 

  1703.     // Set buffer size

  1704.     if (capturing && inchannels > 0) {

  1705.         err1 = AudioUnitSetProperty(fAUHAL, kAudioUnitProperty_MaximumFramesPerSlice, kAudioUnitScope_Global, 1, (UInt32*)&buffer_size, sizeof(UInt32));

  1706.         if (err1 != noErr) {

  1707.             jack_error("Error calling AudioUnitSetProperty - kAudioUnitProperty_MaximumFramesPerSlice");

  1708.             printError(err1);

  1709.             goto error;

  1710.         }

  1711.     }

  1712. 

  1713.     if (playing && outchannels > 0) {

  1714.         err1 = AudioUnitSetProperty(fAUHAL, kAudioUnitProperty_MaximumFramesPerSlice, kAudioUnitScope_Global, 0, (UInt32*)&buffer_size, sizeof(UInt32));

  1715.         if (err1 != noErr) {

  1716.             jack_error("Error calling AudioUnitSetProperty - kAudioUnitProperty_MaximumFramesPerSlice");

  1717.             printError(err1);

  1718.             goto error;

  1719.         }

  1720.     }

  1721. 

  1722.     // Setup input channel map

  1723.     if (capturing && inchannels > 0 && inchannels <= in_maxChannels) {

  1724.         SInt32 chanArr[in_maxChannels];

  1725.         for (int i = 0; i < in_maxChannels; i++) {

  1726.             chanArr[i] = -1;

  1727.         }

  1728.         // Explicit mapping

  1729.         if (chan_in_list.size() > 0) {

  1730.             for (uint i = 0; i < chan_in_list.size(); i++) {

  1731.                 int chan = chan_in_list[i];

  1732.                 if (chan < in_maxChannels) {

  1733.                     // The wanted JACK input index for the 'chan' channel value

  1734.                     chanArr[chan] = i;

  1735.                     jack_info("Input channel = %d ==> JACK input port = %d", chan, i);

  1736.                 } else {

  1737.                     jack_info("Error input channel number is incorrect : %d", chan);

  1738.                     goto error;

  1739.                 }

  1740.             }

  1741.         } else {

  1742.             for (int i = 0; i < inchannels; i++) {

  1743.                 chanArr[i] = i;

  1744.                 jack_info("Input channel = %d ==> JACK input port = %d", chanArr[i], i);

  1745.             }

  1746.         }

  1747. 

  1748.         AudioUnitSetProperty(fAUHAL, kAudioOutputUnitProperty_ChannelMap , kAudioUnitScope_Input, 1, chanArr, sizeof(SInt32) * in_maxChannels);

  1749.         if (err1 != noErr) {

  1750.             jack_error("Error calling AudioUnitSetProperty - kAudioOutputUnitProperty_ChannelMap for input");

  1751.             printError(err1);

  1752.             goto error;

  1753.         }

  1754.     }

  1755. 

  1756.     // Setup output channel map

  1757.     if (playing && outchannels > 0 && outchannels <= out_maxChannels) {

  1758.         SInt32 chanArr[out_maxChannels];

  1759.         for (int i = 0;	i < out_maxChannels; i++) {

  1760.             chanArr[i] = -1;

  1761.         }

  1762.         // Explicit mapping

  1763.         if (chan_out_list.size() > 0) {

  1764.             for (uint i = 0; i < chan_out_list.size(); i++) {

  1765.                 int chan = chan_out_list[i];

  1766.                 if (chan < out_maxChannels) {

  1767.                     // The wanted JACK output index for the 'chan' channel value

  1768.                     chanArr[chan] = i;

  1769.                     jack_info("JACK output port = %d ==> output channel = %d", i, chan);

  1770.                 } else {

  1771.                     jack_info("Error output channel number is incorrect : %d", chan);

  1772.                     goto error;

  1773.                 }

  1774.             }

  1775.         } else {

  1776.             for (int i = 0; i < outchannels; i++) {

  1777.                 chanArr[i] = i;

  1778.                 jack_info("JACK output port = %d ==> output channel = %d", i, chanArr[i]);

  1779.             }

  1780.         }

  1781. 

  1782.         err1 = AudioUnitSetProperty(fAUHAL, kAudioOutputUnitProperty_ChannelMap, kAudioUnitScope_Output, 0, chanArr, sizeof(SInt32) * out_maxChannels);

  1783.         if (err1 != noErr) {

  1784.             jack_error("Error calling AudioUnitSetProperty - kAudioOutputUnitProperty_ChannelMap for output");

  1785.             printError(err1);

  1786.             goto error;

  1787.         }

  1788.     }

  1789. 

  1790.     // Setup stream converters

  1791.     if (capturing && inchannels > 0) {

  1792. 

  1793.         size = sizeof(AudioStreamBasicDescription);

  1794.         err1 = AudioUnitGetProperty(fAUHAL, kAudioUnitProperty_StreamFormat, kAudioUnitScope_Output, 1, &srcFormat, &size);

  1795.         if (err1 != noErr) {

  1796.             jack_error("Error calling AudioUnitGetProperty - kAudioUnitProperty_StreamFormat kAudioUnitScope_Output");

  1797.             printError(err1);

  1798.             goto error;

  1799.         }

  1800.         PrintStreamDesc(&srcFormat);

  1801. 

  1802.         jack_log("JackCoreAudioDriver::OpenAUHAL : setup AUHAL input stream converter SR = %ld", sample_rate);

  1803.         srcFormat.mSampleRate = sample_rate;

  1804.         srcFormat.mFormatID = kAudioFormatLinearPCM;

  1805.         srcFormat.mFormatFlags = kAudioFormatFlagsNativeFloatPacked | kLinearPCMFormatFlagIsNonInterleaved;

  1806.         srcFormat.mBytesPerPacket = sizeof(jack_default_audio_sample_t);

  1807.         srcFormat.mFramesPerPacket = 1;

  1808.         srcFormat.mBytesPerFrame = sizeof(jack_default_audio_sample_t);

  1809.         srcFormat.mChannelsPerFrame = inchannels;

  1810.         srcFormat.mBitsPerChannel = 32;

  1811.         PrintStreamDesc(&srcFormat);

  1812. 

  1813.         err1 = AudioUnitSetProperty(fAUHAL, kAudioUnitProperty_StreamFormat, kAudioUnitScope_Output, 1, &srcFormat, sizeof(AudioStreamBasicDescription));

  1814.         if (err1 != noErr) {

  1815.             jack_error("Error calling AudioUnitSetProperty - kAudioUnitProperty_StreamFormat kAudioUnitScope_Output");

  1816.             printError(err1);

  1817.             goto error;

  1818.         }

  1819.     }

  1820. 

  1821.     if (playing && outchannels > 0) {

  1822. 

  1823.         size = sizeof(AudioStreamBasicDescription);

  1824.         err1 = AudioUnitGetProperty(fAUHAL, kAudioUnitProperty_StreamFormat, kAudioUnitScope_Input, 0, &dstFormat, &size);

  1825.         if (err1 != noErr) {

  1826.             jack_error("Error calling AudioUnitGetProperty - kAudioUnitProperty_StreamFormat kAudioUnitScope_Input");

  1827.             printError(err1);

  1828.             goto error;

  1829.         }

  1830.         PrintStreamDesc(&dstFormat);

  1831. 

  1832.         jack_log("JackCoreAudioDriver::OpenAUHAL : setup AUHAL output stream converter SR = %ld", sample_rate);

  1833.         dstFormat.mSampleRate = sample_rate;

  1834.         dstFormat.mFormatID = kAudioFormatLinearPCM;

  1835.         dstFormat.mFormatFlags = kAudioFormatFlagsNativeFloatPacked | kLinearPCMFormatFlagIsNonInterleaved;

  1836.         dstFormat.mBytesPerPacket = sizeof(jack_default_audio_sample_t);

  1837.         dstFormat.mFramesPerPacket = 1;

  1838.         dstFormat.mBytesPerFrame = sizeof(jack_default_audio_sample_t);

  1839.         dstFormat.mChannelsPerFrame = outchannels;

  1840.         dstFormat.mBitsPerChannel = 32;

  1841.         PrintStreamDesc(&dstFormat);

  1842. 

  1843.         err1 = AudioUnitSetProperty(fAUHAL, kAudioUnitProperty_StreamFormat, kAudioUnitScope_Input, 0, &dstFormat, sizeof(AudioStreamBasicDescription));

  1844.         if (err1 != noErr) {

  1845.             jack_error("Error calling AudioUnitSetProperty - kAudioUnitProperty_StreamFormat kAudioUnitScope_Input");

  1846.             printError(err1);

  1847.             goto error;

  1848.         }

  1849.     }

  1850. 

  1851.     // Setup callbacks

  1852.     if (inchannels > 0 && outchannels == 0) {

  1853.         AURenderCallbackStruct output;

  1854.         output.inputProc = Render;

  1855.         output.inputProcRefCon = this;

  1856.         err1 = AudioUnitSetProperty(fAUHAL, kAudioOutputUnitProperty_SetInputCallback, kAudioUnitScope_Global, 0, &output, sizeof(output));

  1857.         if (err1 != noErr) {

  1858.             jack_error("Error calling  AudioUnitSetProperty - kAudioUnitProperty_SetRenderCallback 1");

  1859.             printError(err1);

  1860.             goto error;

  1861.         }

  1862.     } else {

  1863.         AURenderCallbackStruct output;

  1864.         output.inputProc = Render;

  1865.         output.inputProcRefCon = this;

  1866.         err1 = AudioUnitSetProperty(fAUHAL, kAudioUnitProperty_SetRenderCallback, kAudioUnitScope_Input, 0, &output, sizeof(output));

  1867.         if (err1 != noErr) {

  1868.             jack_error("Error calling AudioUnitSetProperty - kAudioUnitProperty_SetRenderCallback 0");

  1869.             printError(err1);

  1870.             goto error;

  1871.         }

  1872.     }

  1873. 

  1874.     return 0;

  1875. 

  1876. error:

  1877.     CloseAUHAL();

  1878.     return -1;

  1879. }

  1880. 

  1881. int JackCoreAudioDriver::SetupBuffers(int inchannels)

  1882. {

  1883.     // Prepare buffers

  1884.     fJackInputData = (AudioBufferList*)malloc(sizeof(UInt32) + inchannels * sizeof(AudioBuffer));

  1885.     fJackInputData->mNumberBuffers = inchannels;

  1886.     for (int i = 0; i < inchannels; i++) {

  1887.         fJackInputData->mBuffers[i].mNumberChannels = 1;

  1888.         fJackInputData->mBuffers[i].mDataByteSize = fEngineControl->fBufferSize * sizeof(jack_default_audio_sample_t);

  1889.     }

  1890.     return 0;

  1891. }

  1892. 

  1893. void JackCoreAudioDriver::DisposeBuffers()

  1894. {

  1895.     if (fJackInputData) {

  1896.         free(fJackInputData);

  1897.         fJackInputData = 0;

  1898.     }

  1899. }

  1900. 

  1901. void JackCoreAudioDriver::CloseAUHAL()

  1902. {

  1903.     AudioOutputUnitStop(fAUHAL);

  1904.     AudioUnitUninitialize(fAUHAL);

  1905.     CloseComponent(fAUHAL);

  1906. }

  1907. 

  1908. int JackCoreAudioDriver::AddListeners()

  1909. {

  1910.     OSStatus err = noErr;

  1911. 

  1912.     // Add listeners

  1913.     err = AudioDeviceAddPropertyListener(fDeviceID, 0, true, kAudioDeviceProcessorOverload, DeviceNotificationCallback, this);

  1914.     if (err != noErr) {

  1915.         jack_error("Error calling AudioDeviceAddPropertyListener with kAudioDeviceProcessorOverload");

  1916.         printError(err);

  1917.         return -1;

  1918.     }

  1919. 

  1920.     err = AudioHardwareAddPropertyListener(kAudioHardwarePropertyDevices, AudioHardwareNotificationCallback, this);

  1921.     if (err != noErr) {

  1922.         jack_error("Error calling AudioHardwareAddPropertyListener with kAudioHardwarePropertyDevices");

  1923.         printError(err);

  1924.         return -1;

  1925.     }

  1926. 

  1927.     err = AudioDeviceAddPropertyListener(fDeviceID, 0, true, kAudioDevicePropertyNominalSampleRate, DeviceNotificationCallback, this);

  1928.     if (err != noErr) {

  1929.         jack_error("Error calling AudioDeviceAddPropertyListener with kAudioDevicePropertyNominalSampleRate");

  1930.         printError(err);

  1931.         return -1;

  1932.     }

  1933. 

  1934.     err = AudioDeviceAddPropertyListener(fDeviceID, 0, true, kAudioDevicePropertyDeviceIsRunning, DeviceNotificationCallback, this);

  1935.     if (err != noErr) {

  1936.         jack_error("Error calling AudioDeviceAddPropertyListener with kAudioDevicePropertyDeviceIsRunning");

  1937.         printError(err);

  1938.         return -1;

  1939.     }

  1940. 

  1941.     err = AudioDeviceAddPropertyListener(fDeviceID, 0, true, kAudioDevicePropertyDeviceIsAlive, DeviceNotificationCallback, this);

  1942.     if (err != noErr) {

  1943.         jack_error("Error calling AudioDeviceAddPropertyListener with kAudioDevicePropertyDeviceIsAlive");

  1944.         printError(err);

  1945.         return -1;

  1946.     }

  1947. 

  1948.     err = AudioDeviceAddPropertyListener(fDeviceID, 0, true, kAudioDevicePropertyDeviceHasChanged, DeviceNotificationCallback, this);

  1949.     if (err != noErr) {

  1950.         jack_error("Error calling AudioDeviceAddPropertyListener with kAudioDevicePropertyDeviceHasChanged");

  1951.         printError(err);

  1952.         return -1;

  1953.     }

  1954. 

  1955.     err = AudioDeviceAddPropertyListener(fDeviceID, 0, true, kAudioDevicePropertyStreamConfiguration, DeviceNotificationCallback, this);

  1956.     if (err != noErr) {

  1957.         jack_error("Error calling AudioDeviceAddPropertyListener with kAudioDevicePropertyStreamConfiguration");

  1958.         printError(err);

  1959.         return -1;

  1960.     }

  1961. 

  1962.     err = AudioDeviceAddPropertyListener(fDeviceID, 0, false, kAudioDevicePropertyStreamConfiguration, DeviceNotificationCallback, this);

  1963.     if (err != noErr) {

  1964.         jack_error("Error calling AudioDeviceAddPropertyListener with kAudioDevicePropertyStreamConfiguration");

  1965.         printError(err);

  1966.         return -1;

  1967.     }

  1968. 

  1969.     if (!fEngineControl->fSyncMode && fIOUsage != 1.f) {

  1970.         UInt32 outSize = sizeof(float);

  1971.         err = AudioDeviceSetProperty(fDeviceID, NULL, 0, false, kAudioDevicePropertyIOCycleUsage, outSize, &fIOUsage);

  1972.         if (err != noErr) {

  1973.             jack_error("Error calling AudioDeviceSetProperty kAudioDevicePropertyIOCycleUsage");

  1974.             printError(err);

  1975.         }

  1976.     }

  1977. 

  1978.     return 0;

  1979. }

  1980. 

  1981. void JackCoreAudioDriver::RemoveListeners()

  1982. {

  1983.     AudioDeviceRemovePropertyListener(fDeviceID, 0, true, kAudioDeviceProcessorOverload, DeviceNotificationCallback);

  1984.     AudioHardwareRemovePropertyListener(kAudioHardwarePropertyDevices, AudioHardwareNotificationCallback);

  1985.     AudioDeviceRemovePropertyListener(fDeviceID, 0, true, kAudioDevicePropertyNominalSampleRate, DeviceNotificationCallback);

  1986.     AudioDeviceRemovePropertyListener(fDeviceID, 0, true, kAudioDevicePropertyDeviceIsRunning, DeviceNotificationCallback);

  1987.     AudioDeviceRemovePropertyListener(fDeviceID, 0, true, kAudioDevicePropertyDeviceIsAlive, DeviceNotificationCallback);

  1988.     AudioDeviceRemovePropertyListener(fDeviceID, 0, true, kAudioDevicePropertyDeviceHasChanged, DeviceNotificationCallback);

  1989.     AudioDeviceRemovePropertyListener(fDeviceID, 0, true, kAudioDevicePropertyStreamConfiguration, DeviceNotificationCallback);

  1990.     AudioDeviceRemovePropertyListener(fDeviceID, 0, false, kAudioDevicePropertyStreamConfiguration, DeviceNotificationCallback);

  1991. }

  1992. 

  1993. int JackCoreAudioDriver::Open(jack_nframes_t buffer_size,

  1994.                               jack_nframes_t sample_rate,

  1995.                               bool capturing,

  1996.                               bool playing,

  1997.                               int inchannels,

  1998.                               int outchannels,

  1999.                               const char* chan_in_list,

  2000.                               const char* chan_out_list,

  2001.                               bool monitor,

  2002.                               const char* capture_driver_uid,

  2003.                               const char* playback_driver_uid,

  2004.                               jack_nframes_t capture_latency,

  2005.                               jack_nframes_t playback_latency,

  2006.                               int async_output_latency,

  2007.                               int computation_grain,

  2008.                               bool hogged,

  2009.                               bool clock_drift,

  2010.                               bool ac3_encoding,

  2011.                               int ac3_bitrate,

  2012.                               bool ac3_lfe)

  2013. {

  2014.     int in_maxChannels = 0;

  2015.     int out_maxChannels = 0;

  2016.     char capture_driver_name[256];

  2017.     char playback_driver_name[256];

  2018. 

  2019.     fCaptureLatency = capture_latency;

  2020.     fPlaybackLatency = playback_latency;

  2021.     fIOUsage = float(async_output_latency) / 100.f;

  2022.     fComputationGrain = float(computation_grain) / 100.f;

  2023.     fHogged = hogged;

  2024.     fClockDriftCompensate = clock_drift;

  2025. 

  2026.     SInt32 major;

  2027.     SInt32 minor;

  2028.     Gestalt(gestaltSystemVersionMajor, &major);

  2029.     Gestalt(gestaltSystemVersionMinor, &minor);

  2030. 

  2031.     vector<int> parsed_chan_in_list;

  2032.     vector<int> parsed_chan_out_list;

  2033.    

  2034.     // Starting with 10.6 systems, the HAL notification thread is created internally

  2035.     if (major == 10 && minor >= 6) {

  2036.         CFRunLoopRef theRunLoop = NULL;

  2037.         AudioObjectPropertyAddress theAddress = { kAudioHardwarePropertyRunLoop, kAudioObjectPropertyScopeGlobal, kAudioObjectPropertyElementMaster };

  2038.         OSStatus osErr = AudioObjectSetPropertyData (kAudioObjectSystemObject, &theAddress, 0, NULL, sizeof(CFRunLoopRef), &theRunLoop);

  2039.         if (osErr != noErr) {

  2040.             jack_error("Open kAudioHardwarePropertyRunLoop error");

  2041.             printError(osErr);

  2042.         }

  2043.     }

  2044.   

  2045.     if (SetupDevices(capture_driver_uid, playback_driver_uid, capture_driver_name, playback_driver_name, sample_rate, ac3_encoding) < 0) {

  2046.         goto error;

  2047.     }

  2048. 

  2049.     // Generic JackAudioDriver Open

  2050.     if (JackAudioDriver::Open(buffer_size, sample_rate,

  2051.                             capturing, playing,

  2052.                             inchannels, outchannels,

  2053.                             monitor,

  2054.                             capture_driver_name,

  2055.                             playback_driver_name,

  2056.                             capture_latency,

  2057.                             playback_latency) != 0) {

  2058.         goto error;

  2059.     }

  2060. 

  2061.     if (SetupChannels(capturing, playing, inchannels, outchannels, in_maxChannels, out_maxChannels, !ac3_encoding) < 0) {

  2062.         goto error;

  2063.     }

  2064.     

  2065.     ParseChannelList(chan_in_list, parsed_chan_in_list, in_maxChannels);

  2066.     if (parsed_chan_in_list.size() > 0) {

  2067.         jack_info("Explicit input channel list size = %d", parsed_chan_in_list.size());

  2068.         inchannels = parsed_chan_in_list.size();

  2069.     }

  2070. 

  2071.     ParseChannelList(chan_out_list, parsed_chan_out_list, out_maxChannels);

  2072.     if (parsed_chan_out_list.size() > 0) {

  2073.         jack_info("Explicit output channel list size = %d", parsed_chan_out_list.size());

  2074.         outchannels = parsed_chan_out_list.size();

  2075.     }  

  2076. 

  2077.     if (SetupBufferSize(buffer_size) < 0) {

  2078.         goto error;

  2079.     }

  2080. 

  2081.     if (SetupSampleRate(sample_rate) < 0) {

  2082.         goto error;

  2083.     }

  2084.     

  2085.     if (ac3_encoding) {

  2086.           

  2087.         if (!fDigitalPlayback) {

  2088.             jack_error("AC3 encoding can only be used with a digital device");

  2089.             goto error;

  2090.         }

  2091.         

  2092.         JackAC3EncoderParams params;

  2093.         memset(&params, 0, sizeof(JackAC3EncoderParams));

  2094.         params.bitrate = ac3_bitrate;

  2095.         params.channels = outchannels;

  2096.         params.sample_rate = sample_rate;

  2097.         params.lfe = ac3_lfe;

  2098.         fAC3Encoder = new JackAC3Encoder(params);

  2099.         

  2100.         if (!fAC3Encoder || !fAC3Encoder->Init(sample_rate)) {

  2101.             jack_error("Cannot allocate or init AC3 encoder");

  2102.             goto error;

  2103.         }

  2104.         

  2105.         // Setup AC3 channel number

  2106.         fPlaybackChannels = outchannels;

  2107.         if (ac3_lfe) {

  2108.             fPlaybackChannels++;

  2109.         }

  2110.         

  2111.         if (fPlaybackChannels < 2 || fPlaybackChannels > 6) {

  2112.             jack_error("AC3 encoder channels must be between 2 and 6");

  2113.             goto error;

  2114.         }

  2115.         

  2116.         // Force real output channel number to 2

  2117.         outchannels = out_maxChannels = 2;

  2118.         

  2119.     } else {

  2120.         fPlaybackChannels = outchannels;

  2121.     }

  2122.     

  2123.     // Core driver may have changed the in/out values

  2124.     fCaptureChannels = inchannels;

  2125. 

  2126.     if (OpenAUHAL(capturing, playing, inchannels, outchannels, in_maxChannels, out_maxChannels, parsed_chan_in_list, parsed_chan_out_list, buffer_size, sample_rate) < 0) {

  2127.         goto error;

  2128.     }

  2129. 

  2130.     if (capturing && inchannels > 0) {

  2131.         if (SetupBuffers(inchannels) < 0) {

  2132.             goto error;

  2133.         }

  2134.     }

  2135. 

  2136.     if (AddListeners() < 0) {

  2137.         goto error;

  2138.     }

  2139.   

  2140.     return noErr;

  2141. 

  2142. error:

  2143.     Close();

  2144.     return -1;

  2145. }

  2146. 

  2147. int JackCoreAudioDriver::Close()

  2148. {

  2149.     jack_log("JackCoreAudioDriver::Close");

  2150. 

  2151.     // Generic audio driver close

  2152.     int res = JackAudioDriver::Close();

  2153. 

  2154.     RemoveListeners();

  2155.     DisposeBuffers();

  2156.     CloseAUHAL();

  2157.     DestroyAggregateDevice();

  2158.     return res;

  2159. }

  2160. 

  2161. void JackCoreAudioDriver::UpdateLatencies()

  2162. {

  2163.     UInt32 size;

  2164.     OSStatus err;

  2165.     jack_latency_range_t input_range;

  2166.     jack_latency_range_t output_range;

  2167.     jack_latency_range_t monitor_range;

  2168. 

  2169.     // Get Input latency

  2170.     size = sizeof(UInt32);

  2171.     UInt32 value1 = 0;

  2172.     UInt32 value2 = 0;

  2173.     err = AudioDeviceGetProperty(fDeviceID, 0, true, kAudioDevicePropertyLatency, &size, &value1);

  2174.     if (err != noErr) {

  2175.         jack_error("AudioDeviceGetProperty kAudioDevicePropertyLatency error");

  2176.     }

  2177.     err = AudioDeviceGetProperty(fDeviceID, 0, true, kAudioDevicePropertySafetyOffset, &size, &value2);

  2178.     if (err != noErr) {

  2179.         jack_error("AudioDeviceGetProperty kAudioDevicePropertySafetyOffset error");

  2180.     }

  2181. 

  2182.     input_range.min = input_range.max = fEngineControl->fBufferSize + value1 + value2 + fCaptureLatency;

  2183. 

  2184.     // Get input stream latencies

  2185.     vector<int> input_latencies;

  2186.     err = GetStreamLatencies(fDeviceID, true, input_latencies);

  2187. 

  2188.     for (int i = 0; i < fCaptureChannels; i++) {

  2189.         if (err != noErr) {

  2190.             input_range.min += input_latencies[i];

  2191.             input_range.max += input_latencies[i];

  2192.         }

  2193.         fGraphManager->GetPort(fCapturePortList[i])->SetLatencyRange(JackCaptureLatency, &input_range);

  2194.     }

  2195. 

  2196.     // Get Output latency

  2197.     size = sizeof(UInt32);

  2198.     value1 = 0;

  2199.     value2 = 0;

  2200.     err = AudioDeviceGetProperty(fDeviceID, 0, false, kAudioDevicePropertyLatency, &size, &value1);

  2201.     if (err != noErr) {

  2202.         jack_error("AudioDeviceGetProperty kAudioDevicePropertyLatency error");

  2203.     }

  2204.     err = AudioDeviceGetProperty(fDeviceID, 0, false, kAudioDevicePropertySafetyOffset, &size, &value2);

  2205.     if (err != noErr) {

  2206.         jack_error("AudioDeviceGetProperty kAudioDevicePropertySafetyOffset error");

  2207.     }

  2208. 

  2209.     // Get output stream latencies

  2210.     vector<int> output_latencies;

  2211.     err = GetStreamLatencies(fDeviceID, false, output_latencies);

  2212. 

  2213.     // Add more latency if "async" mode is used...

  2214.     output_range.min = output_range.max = fEngineControl->fBufferSize + ((fEngineControl->fSyncMode)

  2215.         ? 0 : fEngineControl->fBufferSize * fIOUsage) + value1 + value2 + fPlaybackLatency;

  2216. 

  2217.     for (int i = 0; i < fPlaybackChannels; i++) {

  2218.         if (err != noErr) {

  2219.             output_range.min += output_latencies[i];

  2220.             output_range.max += output_latencies[i];

  2221.         }

  2222.         fGraphManager->GetPort(fPlaybackPortList[i])->SetLatencyRange(JackPlaybackLatency, &output_range);

  2223. 

  2224.         // Monitor port

  2225.         if (fWithMonitorPorts) {

  2226.             monitor_range.min = monitor_range.max = fEngineControl->fBufferSize;

  2227.             fGraphManager->GetPort(fMonitorPortList[i])->SetLatencyRange(JackCaptureLatency, &monitor_range);

  2228.         }

  2229.     }

  2230. }

  2231. 

  2232. int JackCoreAudioDriver::Attach()

  2233. {

  2234.     OSStatus err;

  2235.     JackPort* port;

  2236.     jack_port_id_t port_index;

  2237.     UInt32 size;

  2238.     Boolean isWritable;

  2239.     char channel_name[64];

  2240.     char name[REAL_JACK_PORT_NAME_SIZE];

  2241.     char alias[REAL_JACK_PORT_NAME_SIZE];

  2242. 

  2243.     jack_log("JackCoreAudioDriver::Attach : fBufferSize %ld fSampleRate %ld", fEngineControl->fBufferSize, fEngineControl->fSampleRate);

  2244. 

  2245.     for (int i = 0; i < fCaptureChannels; i++) {

  2246. 

  2247.         err = AudioDeviceGetPropertyInfo(fDeviceID, i + 1, true, kAudioDevicePropertyChannelName, &size, &isWritable);

  2248.         if (err != noErr) {

  2249.             jack_log("JackCoreAudioDriver::Attach : AudioDeviceGetPropertyInfo kAudioDevicePropertyChannelName error");

  2250.         }

  2251.         if (err == noErr && size > 0) {

  2252.             err = AudioDeviceGetProperty(fDeviceID, i + 1, true, kAudioDevicePropertyChannelName, &size, channel_name);

  2253.             if (err != noErr) {

  2254.                 jack_log("JackCoreAudioDriver::Attach : AudioDeviceGetProperty kAudioDevicePropertyChannelName error");

  2255.             }

  2256.             snprintf(alias, sizeof(alias), "%s:%s:out_%s%u", fAliasName, fCaptureDriverName, channel_name, i + 1);

  2257.         } else {

  2258.             snprintf(alias, sizeof(alias), "%s:%s:out%u", fAliasName, fCaptureDriverName, i + 1);

  2259.         }

  2260. 

  2261.         snprintf(name, sizeof(name), "%s:capture_%d", fClientControl.fName, i + 1);

  2262. 

  2263.         if (fEngine->PortRegister(fClientControl.fRefNum, name, JACK_DEFAULT_AUDIO_TYPE, CaptureDriverFlags, fEngineControl->fBufferSize, &port_index) < 0) {

  2264.             jack_error("Cannot register port for %s", name);

  2265.             return -1;

  2266.         }

  2267. 

  2268.         port = fGraphManager->GetPort(port_index);

  2269.         port->SetAlias(alias);

  2270.         fCapturePortList[i] = port_index;

  2271.     }

  2272. 

  2273.     for (int i = 0; i < fPlaybackChannels; i++) {

  2274. 

  2275.         err = AudioDeviceGetPropertyInfo(fDeviceID, i + 1, false, kAudioDevicePropertyChannelName, &size, &isWritable);

  2276.         if (err != noErr) {

  2277.             jack_log("JackCoreAudioDriver::Attach : AudioDeviceGetPropertyInfo kAudioDevicePropertyChannelName error");

  2278.         }

  2279.         if (err == noErr && size > 0) {

  2280.             err = AudioDeviceGetProperty(fDeviceID, i + 1, false, kAudioDevicePropertyChannelName, &size, channel_name);

  2281.             if (err != noErr) {

  2282.                 jack_log("JackCoreAudioDriver::Attach : AudioDeviceGetProperty kAudioDevicePropertyChannelName error");

  2283.             }

  2284.             snprintf(alias, sizeof(alias), "%s:%s:in_%s%u", fAliasName, fPlaybackDriverName, channel_name, i + 1);

  2285.         } else {

  2286.             snprintf(alias, sizeof(alias), "%s:%s:in%u", fAliasName, fPlaybackDriverName, i + 1);

  2287.         }

  2288. 

  2289.         snprintf(name, sizeof(name), "%s:playback_%d", fClientControl.fName, i + 1);

  2290. 

  2291.         if (fEngine->PortRegister(fClientControl.fRefNum, name, JACK_DEFAULT_AUDIO_TYPE, PlaybackDriverFlags, fEngineControl->fBufferSize, &port_index) < 0) {

  2292.             jack_error("Cannot register port for %s", name);

  2293.             return -1;

  2294.         }

  2295. 

  2296.         port = fGraphManager->GetPort(port_index);

  2297.         port->SetAlias(alias);

  2298.         fPlaybackPortList[i] = port_index;

  2299. 

  2300.         // Monitor ports

  2301.         if (fWithMonitorPorts) {

  2302.             jack_log("JackCoreAudioDriver::Attach : create monitor port");

  2303.             snprintf(name, sizeof(name), "%s:monitor_%u", fClientControl.fName, i + 1);

  2304.             if (fEngine->PortRegister(fClientControl.fRefNum, name, JACK_DEFAULT_AUDIO_TYPE, MonitorDriverFlags, fEngineControl->fBufferSize, &port_index) < 0) {

  2305.                 jack_error("Cannot register monitor port for %s", name);

  2306.                 return -1;

  2307.             } else {

  2308.                 fMonitorPortList[i] = port_index;

  2309.             }

  2310.         }

  2311.     }

  2312.     

  2313.     if (fAC3Encoder) {

  2314.         // Setup specific AC3 channels names

  2315.         for (int i = 0; i < fPlaybackChannels; i++) {

  2316.             fAC3Encoder->GetChannelName("coreaudio", "", alias, i);

  2317.             port = fGraphManager->GetPort(fPlaybackPortList[i]);

  2318.             port->SetAlias(alias);

  2319.         }

  2320.     }

  2321. 

  2322.     UpdateLatencies();

  2323. 

  2324.     // Input buffers do no change : prepare them only once

  2325.     for (int i = 0; i < fCaptureChannels; i++) {

  2326.         fJackInputData->mBuffers[i].mData = GetInputBuffer(i);

  2327.     }

  2328. 

  2329.     return 0;

  2330. }

  2331. 

  2332. int JackCoreAudioDriver::Start()

  2333. {

  2334.     jack_log("JackCoreAudioDriver::Start");

  2335.     if (JackAudioDriver::Start() == 0) {

  2336. 

  2337.         // Waiting for Render callback to be called (= driver has started)

  2338.         fState = false;

  2339.         int count = 0;

  2340. 

  2341.         if (AudioOutputUnitStart(fAUHAL) == noErr) {

  2342. 

  2343.             while (!fState && count++ < WAIT_COUNTER) {

  2344.                 usleep(100000);

  2345.                 jack_log("JackCoreAudioDriver::Start : wait count = %d", count);

  2346.             }

  2347. 

  2348.             if (count < WAIT_COUNTER) {

  2349.                 jack_info("CoreAudio driver is running...");

  2350.                 return 0;

  2351.             }

  2352. 

  2353.             jack_error("CoreAudio driver cannot start...");

  2354.         }

  2355.         JackAudioDriver::Stop();

  2356.     }

  2357.     return -1;

  2358. }

  2359. 

  2360. int JackCoreAudioDriver::Stop()

  2361. {

  2362.     jack_log("JackCoreAudioDriver::Stop");

  2363.     int res = (AudioOutputUnitStop(fAUHAL) == noErr) ? 0 : -1;

  2364.     if (JackAudioDriver::Stop() < 0) {

  2365.         res = -1;

  2366.     }

  2367.     return res;

  2368. }

  2369. 

  2370. int JackCoreAudioDriver::SetBufferSize(jack_nframes_t buffer_size)

  2371. {

  2372.     if (SetupBufferSize(buffer_size) < 0) {

  2373.         return -1;

  2374.     }

  2375. 

  2376.     JackAudioDriver::SetBufferSize(buffer_size); // Generic change, never fails

  2377. 

  2378.     // CoreAudio specific

  2379.     UpdateLatencies();

  2380. 

  2381.     // Input buffers do no change : prepare them only once

  2382.     for (int i = 0; i < fCaptureChannels; i++) {

  2383.         fJackInputData->mBuffers[i].mNumberChannels = 1;

  2384.         fJackInputData->mBuffers[i].mDataByteSize = fEngineControl->fBufferSize * sizeof(jack_default_audio_sample_t);

  2385.         fJackInputData->mBuffers[i].mData = GetInputBuffer(i);

  2386.     }

  2387. 

  2388.     return 0;

  2389. }

  2390. 

  2391. bool JackCoreAudioDriver::TakeHogAux(AudioDeviceID deviceID, bool isInput)

  2392. {

  2393.     pid_t hog_pid;

  2394.     UInt32 propSize = sizeof(hog_pid);

  2395.     

  2396.     OSStatus err = AudioDeviceGetProperty(deviceID, 0, isInput, kAudioDevicePropertyHogMode, &propSize, &hog_pid);

  2397.     if (err) {

  2398.         jack_error("Cannot read hog state...");

  2399.         printError(err);

  2400.     }

  2401.     

  2402.     jack_log("JackCoreAudioDriver::TakeHogAux : deviceID = %d", deviceID);

  2403. 

  2404.     if (hog_pid != getpid()) {

  2405.         hog_pid = getpid();

  2406.         err = AudioDeviceSetProperty(deviceID, 0, 0, isInput, kAudioDevicePropertyHogMode, propSize, &hog_pid);

  2407.         if (err != noErr) {

  2408.             jack_error("Can't hog device = %d because it's being hogged by another program or cannot be hogged", deviceID);

  2409.             return false;

  2410.         }

  2411.     }

  2412. 

  2413.     return true;

  2414. }

  2415. 

  2416. bool JackCoreAudioDriver::TakeHog()

  2417. {

  2418.     OSStatus err = noErr;

  2419.     AudioObjectID sub_device[32];

  2420.     UInt32 outSize = sizeof(sub_device);

  2421.     err = AudioDeviceGetProperty(fDeviceID, 0, kAudioDeviceSectionGlobal, kAudioAggregateDevicePropertyActiveSubDeviceList, &outSize, sub_device);

  2422. 

  2423.     if (err != noErr) {

  2424.         jack_log("JackCoreAudioDriver::TakeHog : device does not have subdevices");

  2425.         return TakeHogAux(fDeviceID, true);

  2426.     } else {

  2427.         int num_devices = outSize / sizeof(AudioObjectID);

  2428.         jack_log("JackCoreAudioDriver::TakeHog : device does has %d subdevices", num_devices);

  2429.         for (int i = 0; i < num_devices; i++) {

  2430.             if (!TakeHogAux(sub_device[i], true)) {

  2431.                 return false;

  2432.             }

  2433.         }

  2434.         return true;

  2435.     }

  2436. }

  2437. 

  2438. bool JackCoreAudioDriver::IsAggregateDevice(AudioDeviceID device)

  2439. {

  2440.     UInt32 deviceType, outSize = sizeof(UInt32);

  2441.     OSStatus err = AudioDeviceGetProperty(device, 0, kAudioDeviceSectionGlobal, kAudioDevicePropertyTransportType, &outSize, &deviceType);

  2442. 

  2443.     if (err != noErr) {

  2444.         jack_log("JackCoreAudioDriver::IsAggregateDevice kAudioDevicePropertyTransportType error");

  2445.         return false;

  2446.     } else {

  2447.         return (deviceType == kAudioDeviceTransportTypeAggregate);

  2448.     }

  2449. }

  2450. 

  2451. 

  2452. } // end of namespace

  2453. 

  2454. 

  2455. #ifdef __cplusplus

  2456. extern "C"

  2457. {

  2458. #endif

  2459. 

  2460.     SERVER_EXPORT jack_driver_desc_t* driver_get_descriptor()

  2461.     {

  2462.         jack_driver_desc_t * desc;

  2463.         jack_driver_desc_filler_t filler;

  2464.         jack_driver_param_value_t value;

  2465. 

  2466.         desc = jack_driver_descriptor_construct("coreaudio", JackDriverMaster, "Apple CoreAudio API based audio backend", &filler);

  2467. 

  2468.         value.i = -1;

  2469.         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");

  2470.         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");

  2471.         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");

  2472. 

  2473.         value.str[0] = 0;

  2474.         jack_driver_descriptor_add_parameter(desc, &filler, "input-list", 'n', JackDriverParamString, &value, NULL, "Input channel list for channel mapping", "List of input channel number to be opened (syntax like : \"0 3 2\")");

  2475.         jack_driver_descriptor_add_parameter(desc, &filler, "output-list", 'N', JackDriverParamString, &value, NULL, "Output channel list for channel mapping", "List of output channel number to be opened (syntax like : \"0 3 2\")");

  2476. 

  2477.         value.str[0] = 0;

  2478.         jack_driver_descriptor_add_parameter(desc, &filler, "capture", 'C', JackDriverParamString, &value, NULL, "Input CoreAudio device name", NULL);

  2479.         jack_driver_descriptor_add_parameter(desc, &filler, "playback", 'P', JackDriverParamString, &value, NULL, "Output CoreAudio device name", NULL);

  2480. 

  2481.         value.i  = 0;

  2482.         jack_driver_descriptor_add_parameter(desc, &filler, "monitor", 'm', JackDriverParamBool, &value, NULL, "Provide monitor ports for the output", NULL);

  2483.         

  2484. #ifndef __ppc__

  2485.         value.i  = 0;

  2486.         jack_driver_descriptor_add_parameter(desc, &filler, "AC3-encoding", 'a', JackDriverParamBool, &value, NULL, "AC3 multi-channels encoding", NULL);

  2487.         

  2488.         value.i  = 448;

  2489.         jack_driver_descriptor_add_parameter(desc, &filler, "AC3-bitrate", 'b', JackDriverParamUInt, &value, NULL, "AC3 bitrate", NULL);

  2490.        

  2491.         value.i  = 0;

  2492.         jack_driver_descriptor_add_parameter(desc, &filler, "AC3-LFE", 'f', JackDriverParamBool, &value, NULL, "AC3 LFE channel", NULL);

  2493. #endif

  2494.         value.i  = true;

  2495.         jack_driver_descriptor_add_parameter(desc, &filler, "duplex", 'D', JackDriverParamBool, &value, NULL, "Provide both capture and playback ports", NULL);

  2496. 

  2497.         value.ui  = 44100U;

  2498.         jack_driver_descriptor_add_parameter(desc, &filler, "rate", 'r', JackDriverParamUInt, &value, NULL, "Sample rate", NULL);

  2499. 

  2500.         value.ui  = 256U;

  2501.         jack_driver_descriptor_add_parameter(desc, &filler, "period", 'p', JackDriverParamUInt, &value, NULL, "Frames per period", NULL);

  2502. 

  2503.         value.str[0] = 0;

  2504.         jack_driver_descriptor_add_parameter(desc, &filler, "device", 'd', JackDriverParamString, &value, NULL, "CoreAudio device name", NULL);

  2505. 

  2506.         value.ui  = 0;

  2507.         jack_driver_descriptor_add_parameter(desc, &filler, "input-latency", 'I', JackDriverParamUInt, &value, NULL, "Extra input latency (frames)", NULL);

  2508.         jack_driver_descriptor_add_parameter(desc, &filler, "output-latency", 'O', JackDriverParamUInt, &value, NULL, "Extra output latency (frames)", NULL);

  2509. 

  2510.         value.i  = false;

  2511.         jack_driver_descriptor_add_parameter(desc, &filler, "list-devices", 'l', JackDriverParamBool, &value, NULL, "Display available CoreAudio devices", NULL);

  2512. 

  2513.         value.i  = false;

  2514.         jack_driver_descriptor_add_parameter(desc, &filler, "hog", 'H', JackDriverParamBool, &value, NULL, "Take exclusive access of the audio device", NULL);

  2515. 

  2516.         value.ui  = 100;

  2517.         jack_driver_descriptor_add_parameter(desc, &filler, "async-latency", 'L', JackDriverParamUInt, &value, NULL, "Extra output latency in asynchronous mode (percent)", NULL);

  2518. 

  2519.         value.ui  = 100;

  2520.         jack_driver_descriptor_add_parameter(desc, &filler, "grain", 'G', JackDriverParamUInt, &value, NULL, "Computation grain in RT thread (percent)", NULL);

  2521. 

  2522.         value.i = false;

  2523.         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");

  2524. 

  2525.         return desc;

  2526.     }

  2527. 

  2528.     SERVER_EXPORT Jack::JackDriverClientInterface* driver_initialize(Jack::JackLockedEngine* engine, Jack::JackSynchro* table, const JSList* params)

  2529.     {

  2530.         jack_nframes_t srate = 44100;

  2531.         jack_nframes_t frames_per_interrupt = 256;

  2532.         bool capture = false;

  2533.         bool playback = false;

  2534.         int chan_in = -1;   // Default: if not explicitely set, then max possible will be used...

  2535.         int chan_out = -1;  // Default: if not explicitely set, then max possible will be used...

  2536.         const char* chan_in_list = "";

  2537.         const char* chan_out_list = "";

  2538.         bool monitor = false;

  2539.         const char* capture_driver_uid = "";

  2540.         const char* playback_driver_uid = "";

  2541.         const JSList *node;

  2542.         const jack_driver_param_t *param;

  2543.         jack_nframes_t systemic_input_latency = 0;

  2544.         jack_nframes_t systemic_output_latency = 0;

  2545.         int async_output_latency = 100;

  2546.         int computation_grain = -1;

  2547.         bool hogged = false;

  2548.         bool clock_drift = false;

  2549.         bool ac3_encoding = false;

  2550.         int ac3_bitrate = 448;

  2551.         bool ac3_lfe = false;

  2552. 

  2553.         for (node = params; node; node = jack_slist_next(node)) {

  2554.             param = (const jack_driver_param_t *) node->data;

  2555. 

  2556.             switch (param->character) {

  2557. 

  2558.                 case 'd':

  2559.                     capture_driver_uid = param->value.str;

  2560.                     playback_driver_uid = param->value.str;

  2561.                     break;

  2562. 

  2563.                 case 'D':

  2564.                     capture = true;

  2565.                     playback = true;

  2566.                     break;

  2567. 

  2568.                 case 'c':

  2569.                     chan_in = chan_out = param->value.i;

  2570.                     break;

  2571. 

  2572.                 case 'i':

  2573.                     chan_in = param->value.i;

  2574.                     break;

  2575. 

  2576.                 case 'o':

  2577.                     chan_out = param->value.i;

  2578.                     break;

  2579. 

  2580.                 case 'n':

  2581.                     chan_in_list = param->value.str;

  2582.                     break;

  2583. 

  2584.                 case 'N':

  2585.                     chan_out_list = param->value.str;

  2586.                     break;

  2587. 

  2588.                 case 'C':

  2589.                     capture = true;

  2590.                     if (strcmp(param->value.str, "none") != 0) {

  2591.                         capture_driver_uid = param->value.str;

  2592.                     }

  2593.                     break;

  2594. 

  2595.                 case 'P':

  2596.                     playback = true;

  2597.                     if (strcmp(param->value.str, "none") != 0) {

  2598.                         playback_driver_uid = param->value.str;

  2599.                     }

  2600.                     break;

  2601. 

  2602.                 case 'm':

  2603.                     monitor = param->value.i;

  2604.                     break;

  2605.                     

  2606.             #ifndef __ppc__            

  2607.                 case 'a':

  2608.                     ac3_encoding = param->value.i;

  2609.                     break;

  2610.                      

  2611.                 case 'b':

  2612.                     ac3_bitrate = param->value.i;

  2613.                     break;

  2614.                     

  2615.                 case 'f':

  2616.                     ac3_lfe = param->value.i;

  2617.                     break;

  2618.             #endif

  2619. 

  2620.                 case 'r':

  2621.                     srate = param->value.ui;

  2622.                     break;

  2623. 

  2624.                 case 'p':

  2625.                     frames_per_interrupt = (unsigned int)param->value.ui;

  2626.                     break;

  2627. 

  2628.                 case 'I':

  2629.                     systemic_input_latency = param->value.ui;

  2630.                     break;

  2631. 

  2632.                 case 'O':

  2633.                     systemic_output_latency = param->value.ui;

  2634.                     break;

  2635. 

  2636.                 case 'l':

  2637.                     Jack::DisplayDeviceNames();

  2638.                     // Stops the server in this case

  2639.                     return NULL;

  2640. 

  2641.                 case 'H':

  2642.                     hogged = true;

  2643.                     break;

  2644. 

  2645.                 case 'L':

  2646.                     async_output_latency = param->value.ui;

  2647.                     break;

  2648. 

  2649.                 case 'G':

  2650.                     computation_grain = param->value.ui;

  2651.                     break;

  2652. 

  2653.                 case 's':

  2654.                     clock_drift = true;

  2655.                     break;

  2656.             }

  2657.         }

  2658. 

  2659.         /* duplex is the default */

  2660.         if (!capture && !playback) {

  2661.             capture = true;

  2662.             playback = true;

  2663.         }

  2664. 

  2665.         if (strcmp(chan_in_list, "") != 0 && chan_in >= 0) {

  2666.             printf("Input channel list and in channels are both specified, input channel list will take over...\n");

  2667.         }

  2668. 

  2669.         if (strcmp(chan_out_list, "") != 0 && chan_out >= 0) {

  2670.             printf("Output channel list and out channels are both specified, output channel list will take over...\n");

  2671.         }

  2672. 

  2673.         Jack::JackCoreAudioDriver* driver = new Jack::JackCoreAudioDriver("system", "coreaudio", engine, table);

  2674.         if (driver->Open(frames_per_interrupt,

  2675.                         srate, capture,

  2676.                         playback, chan_in,

  2677.                         chan_out, chan_in_list,

  2678.                         chan_out_list, monitor,

  2679.                         capture_driver_uid,

  2680.                         playback_driver_uid,

  2681.                         systemic_input_latency,

  2682.                         systemic_output_latency,

  2683.                         async_output_latency,

  2684.                         computation_grain,

  2685.                         hogged, clock_drift, 

  2686.                         ac3_encoding, ac3_bitrate, ac3_lfe) == 0) {

  2687.             return driver;

  2688.         } else {

  2689.             delete driver;

  2690.             return NULL;

  2691.         }

  2692.     }

  2693. 

  2694. #ifdef __cplusplus

  2695. }

  2696. #endif

  2697.