jackaudio
/
jack2
mirror of https://github.com/jackaudio/jack2
1
0
Fork 0
Code Releases 45 Activity
jack2 codebase
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
3407 Commits
7 Branches
108MB
Tree: 87ccc8a883
Branches Tags
${ item.name }
Create branch ${ searchTerm }
from '87ccc8a883'
${ noResults }
jack2/macosx/coreaudio/JackCoreAudioDriver.cpp

2724 lines
106KB
Raw Blame History 

  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 (strncmp(device_name_aux, device_name, strlen(device_name)) == 0) {

  162.             *device_id = devices[i];

  163.             return true;

  164.         }

  165.     }

  166. 

  167.     return false;

  168. }

  169. 

  170. static bool CheckAvailableDevice(AudioDeviceID device_id)

  171. {

  172.     UInt32 size;

  173.     Boolean isWritable;

  174.     int i, deviceNum;

  175.     OSStatus err;

  176. 

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

  178.     if (err != noErr) {

  179.         return false;

  180.     }

  181. 

  182.     deviceNum = size / sizeof(AudioDeviceID);

  183.     AudioDeviceID devices[deviceNum];

  184. 

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

  186.     if (err != noErr) {

  187.         return false;

  188.     }

  189. 

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

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

  192.             return true;

  193.         }

  194.     }

  195. 

  196.     return false;

  197. }

  198. 

  199. static OSStatus DisplayDeviceNames()

  200. {

  201.     UInt32 size;

  202.     Boolean isWritable;

  203.     int i, deviceNum;

  204.     OSStatus err;

  205.     CFStringRef UIname;

  206. 

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

  208.     if (err != noErr) {

  209.         return err;

  210.     }

  211. 

  212.     deviceNum = size / sizeof(AudioDeviceID);

  213.     AudioDeviceID devices[deviceNum];

  214. 

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

  216.     if (err != noErr) {

  217.         return err;

  218.     }

  219. 

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

  221.         char device_name[256];

  222.         char internal_name[256];

  223. 

  224.         size = sizeof(CFStringRef);

  225.         UIname = NULL;

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

  227.         if (err == noErr) {

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

  229.         } else {

  230.             goto error;

  231.         }

  232. 

  233.         size = 256;

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

  235.         if (err != noErr) {

  236.             return err;

  237.         }

  238. 

  239.         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);

  240.     }

  241. 

  242.     return noErr;

  243. 

  244. error:

  245.     if (UIname != NULL) {

  246.         CFRelease(UIname);

  247.     }

  248.     return err;

  249. }

  250. 

  251. static CFStringRef GetDeviceName(AudioDeviceID id)

  252. {

  253.     UInt32 size = sizeof(CFStringRef);

  254.     CFStringRef UIname;

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

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

  257. }

  258. 

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

  260. {

  261.     stringstream ss(list);

  262.     string token;

  263.     int chan;

  264.   

  265.     while (ss >> token) {

  266.         istringstream ins;

  267.         ins.str(token);

  268.         ins >> chan;

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

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

  271.         } else {

  272.             result.push_back(chan);

  273.         }

  274.     }

  275. }

  276. 

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

  278.                                      AudioUnitRenderActionFlags* ioActionFlags,

  279.                                      const AudioTimeStamp* inTimeStamp,

  280.                                      UInt32 inBusNumber,

  281.                                      UInt32 inNumberFrames,

  282.                                      AudioBufferList* ioData)

  283. {

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

  285. }

  286. 

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

  288. {

  289.     fActionFags = ioActionFlags;

  290.     fCurrentTime = inTimeStamp;

  291.     fDriverOutputData = ioData;

  292. 

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

  294.     if (set_threaded_log_function()) {

  295. 

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

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

  298. 

  299.         if (fComputationGrain > 0) {

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

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

  302.         }

  303.     }

  304. 

  305.     // Signal waiting start function...

  306.     fState = true;

  307. 

  308.     CycleTakeBeginTime();

  309. 

  310.     if (Process() < 0) {

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

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

  313.         Stop();

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

  315.         return kAudioHardwareUnsupportedOperationError;

  316.     } else {

  317.         return noErr;

  318.     }

  319. }

  320. 

  321. int JackCoreAudioDriver::Read()

  322. {

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

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

  325.     } else {

  326.         return 0;

  327.     }

  328. }

  329. 

  330. int JackCoreAudioDriver::Write()

  331. {

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

  333.     

  334.     if (fAC3Encoder) {

  335.     

  336.         // AC3 encoding and SPDIF write

  337.         jack_default_audio_sample_t* AC3_inputs[MAX_AC3_CHANNELS];

  338.         jack_default_audio_sample_t* AC3_outputs[2];

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

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

  341.             // If not connected, clear the buffer

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

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

  344.             }

  345.         }

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

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

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

  349.         

  350.     } else {

  351.        

  352.         // Standard write

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

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

  355.                 jack_default_audio_sample_t* buffer = GetOutputBuffer(i);

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

  357.                 // Monitor ports

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

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

  360.                 }

  361.             } else {

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

  363.             }

  364.         }

  365.     }

  366.     return 0;

  367. }

  368. 

  369. OSStatus JackCoreAudioDriver::SRNotificationCallback(AudioDeviceID inDevice,

  370.                                                     UInt32 inChannel,

  371.                                                     Boolean	isInput,

  372.                                                     AudioDevicePropertyID inPropertyID,

  373.                                                     void* inClientData)

  374. {

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

  376. 

  377.     switch (inPropertyID) {

  378. 

  379.         case kAudioDevicePropertyNominalSampleRate: {

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

  381.             // Check new sample rate

  382.             Float64 tmp_sample_rate;

  383.             UInt32 outSize = sizeof(Float64);

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

  385.             if (err != noErr) {

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

  387.                 printError(err);

  388.             } else {

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

  390.             }

  391.             driver->fState = true;

  392.             break;

  393.         }

  394.     }

  395. 

  396.     return noErr;

  397. }

  398. 

  399. OSStatus JackCoreAudioDriver::BSNotificationCallback(AudioDeviceID inDevice,

  400.                                                      UInt32 inChannel,

  401.                                                      Boolean isInput,

  402.                                                      AudioDevicePropertyID inPropertyID,

  403.                                                      void* inClientData)

  404. {

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

  406. 

  407.     switch (inPropertyID) {

  408. 

  409.         case kAudioDevicePropertyBufferFrameSize: {

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

  411.             // Check new buffer size

  412.             UInt32 tmp_buffer_size;

  413.             UInt32 outSize = sizeof(UInt32);

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

  415.             if (err != noErr) {

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

  417.                 printError(err);

  418.             } else {

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

  420.             }

  421.             driver->fState = true;

  422.             break;

  423.         }

  424.     }

  425. 

  426.     return noErr;

  427. }

  428. 

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

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

  431. {

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

  433. 

  434.     switch (inPropertyID) {

  435. 

  436.         case kAudioHardwarePropertyDevices: {

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

  438.             DisplayDeviceNames();

  439.             AudioDeviceID captureID, playbackID;

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

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

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

  443. 

  444.             }

  445.             break;

  446.         }

  447.     }

  448. 

  449.     return noErr;

  450. }

  451. 

  452. OSStatus JackCoreAudioDriver::DeviceNotificationCallback(AudioDeviceID inDevice,

  453.                                                         UInt32 inChannel,

  454.                                                         Boolean	isInput,

  455.                                                         AudioDevicePropertyID inPropertyID,

  456.                                                         void* inClientData)

  457. {

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

  459. 

  460.     switch (inPropertyID) {

  461. 

  462.         case kAudioDevicePropertyDeviceIsRunning: {

  463.             UInt32 isrunning = 0;

  464.             UInt32 outsize = sizeof(UInt32);

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

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

  467.             }

  468.             break;

  469.         }

  470. 

  471.         case kAudioDevicePropertyDeviceIsAlive: {

  472.             UInt32 isalive = 0;

  473.             UInt32 outsize = sizeof(UInt32);

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

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

  476.             }

  477.             break;

  478.         }

  479. 

  480.         case kAudioDevicePropertyDeviceHasChanged: {

  481.             UInt32 hachanged = 0;

  482.             UInt32 outsize = sizeof(UInt32);

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

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

  485.             }

  486.             break;

  487.         }

  488. 

  489.         case kAudioDeviceProcessorOverload: {

  490.             jack_error("DeviceNotificationCallback kAudioDeviceProcessorOverload");

  491.             jack_time_t cur_time = GetMicroSeconds();

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

  493.             break;

  494.         }

  495. 

  496.         case kAudioDevicePropertyStreamConfiguration: {

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

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

  499.             driver->CloseAUHAL();

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

  501.             return kAudioHardwareUnsupportedOperationError;

  502.         }

  503. 

  504.         case kAudioDevicePropertyNominalSampleRate: {

  505.             Float64 sample_rate = 0;

  506.             UInt32 outsize = sizeof(Float64);

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

  508.             if (err != noErr) {

  509.                 return kAudioHardwareUnsupportedOperationError;

  510.             }

  511. 

  512.             char device_name[256];

  513.             const char* digidesign_name = "Digidesign";

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

  515. 

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

  517. 

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

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

  520. 

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

  522. 

  523.                     // Set sample rate again...

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

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

  526.                     if (err != noErr) {

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

  528.                         printError(err);

  529.                     } else {

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

  531.                     }

  532. 

  533.                     // Check new sample rate again...

  534.                     outsize = sizeof(Float64);

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

  536.                     if (err != noErr) {

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

  538.                         printError(err);

  539.                     } else {

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

  541.                     }

  542.                     return noErr;

  543. 

  544.                 } else {

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

  546.                     driver->CloseAUHAL();

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

  548.                     return kAudioHardwareUnsupportedOperationError;

  549.                 }

  550.             }

  551.         }

  552. 

  553.     }

  554.     return noErr;

  555. }

  556. 

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

  558. {

  559.     UInt32 size = sizeof(AudioValueTranslation);

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

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

  562. 

  563.     if (inIUD == NULL) {

  564.         return kAudioHardwareUnspecifiedError;

  565.     } else {

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

  567.         CFRelease(inIUD);

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

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

  570.     }

  571. }

  572. 

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

  574. {

  575.     OSStatus res;

  576.     UInt32 theSize = sizeof(UInt32);

  577.     AudioDeviceID inDefault;

  578.     AudioDeviceID outDefault;

  579. 

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

  581.         return res;

  582.     }

  583. 

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

  585.         return res;

  586.     }

  587. 

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

  589. 

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

  591.     if (inDefault != outDefault) {

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

  593.         return kAudioHardwareBadDeviceError;

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

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

  596.         return kAudioHardwareBadDeviceError;

  597.     } else {

  598.         *id = inDefault;

  599.         return noErr;

  600.     }

  601. }

  602. 

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

  604. {

  605.     OSStatus res;

  606.     UInt32 theSize = sizeof(UInt32);

  607.     AudioDeviceID inDefault;

  608. 

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

  610.         return res;

  611.     }

  612. 

  613.     if (inDefault == 0) {

  614.         jack_error("Error default input device is 0, will take 'Built-in'...");

  615.         if (CheckAvailableDeviceName("Built-in Microphone", id) 

  616.             || CheckAvailableDeviceName("Built-in Line", id)) {

  617.              jack_log("JackCoreAudioDriver::GetDefaultInputDevice : output = %ld", *id);

  618.             return noErr;

  619.         } else {

  620.             jack_error("Cannot find any input device to use...");

  621.             return -1;

  622.         }

  623.     }

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

  625.     *id = inDefault;

  626.     return noErr;

  627. }

  628. 

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

  630. {

  631.     OSStatus res;

  632.     UInt32 theSize = sizeof(UInt32);

  633.     AudioDeviceID outDefault;

  634. 

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

  636.         return res;

  637.     }

  638. 

  639.     if (outDefault == 0) {

  640.         jack_error("Error default ouput device is 0, will take 'Built-in'...");

  641.         if (CheckAvailableDeviceName("Built-in Output", id)) {

  642.             jack_log("JackCoreAudioDriver::GetDefaultOutputDevice : output = %ld", *id);

  643.             return noErr;

  644.         } else {

  645.             jack_error("Cannot find any output device to use...");

  646.             return -1;

  647.         }

  648.     }

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

  650.     *id = outDefault;

  651.     return noErr;

  652. }

  653. 

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

  655. {

  656.     UInt32 size = 256;

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

  658. }

  659. 

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

  661. {

  662.     OSStatus err = noErr;

  663.     UInt32 outSize;

  664.     Boolean	outWritable;

  665. 

  666.     channelCount = 0;

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

  668.     if (err == noErr) {

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

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

  671.         AudioBufferList bufferList[stream_count];

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

  673.         if (err == noErr) {

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

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

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

  677.             }

  678.         }

  679.     }

  680.     return err;

  681. }

  682. 

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

  684. {

  685.     OSStatus err = noErr;

  686.     UInt32 outSize1, outSize2, outSize3;

  687.     Boolean	outWritable;

  688. 

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

  690.     if (err == noErr) {

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

  692.         AudioStreamID streamIDs[stream_count];

  693.         AudioBufferList bufferList[stream_count];

  694.         UInt32 streamLatency;

  695.         outSize2 = sizeof(UInt32);

  696. 

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

  698.         if (err != noErr) {

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

  700.             return err;

  701.         }

  702. 

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

  704.         if (err != noErr) {

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

  706.             return err;

  707.         }

  708. 

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

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

  711.             if (err != noErr) {

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

  713.                 return err;

  714.             }

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

  716.             if (err != noErr) {

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

  718.                 return err;

  719.             }

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

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

  722.                 latencies.push_back(streamLatency);

  723.             }

  724.         }

  725.     }

  726.     return err;

  727. }

  728. 

  729. bool JackCoreAudioDriver::IsDigitalDevice(AudioDeviceID device)

  730. {

  731.     OSStatus err = noErr;

  732.     UInt32 outSize1;

  733.     bool is_digital = false;

  734.     

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

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

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

  738.     if (err != noErr) {

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

  740.         return false;

  741.     }

  742.     

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

  744.     AudioStreamID streamIDs[stream_count];

  745.     

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

  747. 

  748.     if (err != noErr) {

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

  750.         return false;

  751.     }

  752.     

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

  754.      

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

  756.    

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

  758.         int  format_num = 0;

  759.     

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

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

  762.         

  763.         if (err != noErr) {

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

  765.             return false;

  766.         }

  767. 

  768.         format_num = outSize1 / sizeof(AudioStreamRangedDescription);

  769.         AudioStreamRangedDescription format_list[format_num];

  770.       

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

  772.          

  773.         if (err != noErr) {

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

  775.             return false;

  776.         }

  777.    

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

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

  780.         

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

  782.             

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

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

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

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

  787.             {

  788.                 is_digital = true;

  789.                 break;

  790.             }

  791.         }

  792.     }

  793.        

  794.     return is_digital;

  795. }

  796. 

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

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

  799.         fAC3Encoder(NULL),

  800.         fJackInputData(NULL),

  801.         fDriverOutputData(NULL),

  802.         fPluginID(0),

  803.         fState(false),

  804.         fHogged(false),

  805.         fIOUsage(1.f),

  806.         fComputationGrain(-1.f),

  807.         fClockDriftCompensate(false),

  808.         fDigitalPlayback(false)

  809. {}

  810. 

  811. JackCoreAudioDriver::~JackCoreAudioDriver()

  812. {

  813.     delete fAC3Encoder;

  814. }

  815. 

  816. OSStatus JackCoreAudioDriver::DestroyAggregateDevice()

  817. {

  818.     OSStatus osErr = noErr;

  819.     AudioObjectPropertyAddress pluginAOPA;

  820.     pluginAOPA.mSelector = kAudioPlugInDestroyAggregateDevice;

  821.     pluginAOPA.mScope = kAudioObjectPropertyScopeGlobal;

  822.     pluginAOPA.mElement = kAudioObjectPropertyElementMaster;

  823.     UInt32 outDataSize;

  824. 

  825.     if (fPluginID > 0) {

  826. 

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

  828.         if (osErr != noErr) {

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

  830.             printError(osErr);

  831.             return osErr;

  832.         }

  833. 

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

  835.         if (osErr != noErr) {

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

  837.             printError(osErr);

  838.             return osErr;

  839.         }

  840. 

  841.     }

  842. 

  843.     return noErr;

  844. }

  845. 

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

  847. {

  848.     OSStatus err = noErr;

  849.     AudioObjectID sub_device[32];

  850.     UInt32 outSize = sizeof(sub_device);

  851. 

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

  853.     vector<AudioDeviceID> captureDeviceIDArray;

  854.     

  855.     jack_log("JackCoreAudioDriver::CreateAggregateDevice : input device %d", captureDeviceID);

  856. 

  857.     if (err != noErr) {

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

  859.         captureDeviceIDArray.push_back(captureDeviceID);

  860.     } else {

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

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

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

  864.             jack_log("JackCoreAudioDriver::CreateAggregateDevice : input sub_device %d", sub_device[i]);

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

  866.         }

  867.     }

  868. 

  869.     outSize = sizeof(sub_device);

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

  871.     vector<AudioDeviceID> playbackDeviceIDArray;

  872.     

  873.     jack_log("JackCoreAudioDriver::CreateAggregateDevice : output device %d", playbackDeviceID);

  874. 

  875.     if (err != noErr) {

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

  877.         playbackDeviceIDArray.push_back(playbackDeviceID);

  878.     } else {

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

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

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

  882.             jack_log("JackCoreAudioDriver::CreateAggregateDevice : output sub_device %d", sub_device[i]);

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

  884.         }

  885.     }

  886. 

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

  888. }

  889. 

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

  891. {

  892.     OSStatus osErr = noErr;

  893.     UInt32 outSize;

  894.     Boolean outWritable;

  895. 

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

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

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

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

  900.     UInt32 theQualifierDataSize = sizeof(AudioObjectID);

  901.     AudioClassID inClass = kAudioSubDeviceClassID;

  902.     void* theQualifierData = &inClass;

  903.     UInt32 subDevicesNum = 0;

  904. 

  905.     //---------------------------------------------------------------------------

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

  907.     //---------------------------------------------------------------------------

  908.     UInt32 keptclockdomain = 0;

  909.     UInt32 clockdomain = 0;

  910.     outSize = sizeof(UInt32);

  911.     bool need_clock_drift_compensation = false;

  912. 

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

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

  915.             jack_error("CreateAggregateDeviceAux : cannot set SR of input device");

  916.         } else  {

  917.             // Check clock domain

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

  919.             if (osErr != 0) {

  920.                 jack_error("CreateAggregateDeviceAux : kAudioDevicePropertyClockDomain error");

  921.                 printError(osErr);

  922.             } else {

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

  924.                 jack_log("JackCoreAudioDriver::CreateAggregateDeviceAux : input clockdomain = %d", clockdomain);

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

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

  927.                     need_clock_drift_compensation = true;

  928.                 }

  929.             }

  930.         }

  931.     }

  932. 

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

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

  935.             jack_error("CreateAggregateDeviceAux : cannot set SR of output device");

  936.         } else {

  937.             // Check clock domain

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

  939.             if (osErr != 0) {

  940.                 jack_error("CreateAggregateDeviceAux : kAudioDevicePropertyClockDomain error");

  941.                 printError(osErr);

  942.             } else {

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

  944.                 jack_log("JackCoreAudioDriver::CreateAggregateDeviceAux : output clockdomain = %d", clockdomain);

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

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

  947.                     need_clock_drift_compensation = true;

  948.                 }

  949.             }

  950.         }

  951.     }

  952. 

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

  954.     if (keptclockdomain == 0) {

  955.         need_clock_drift_compensation = true;

  956.     }

  957. 

  958.     //---------------------------------------------------------------------------

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

  960.     //---------------------------------------------------------------------------

  961. 

  962.     char device_name[256];

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

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

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

  966.     }

  967. 

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

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

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

  971.     }

  972. 

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

  974.     if (osErr != noErr) {

  975.         jack_error("CreateAggregateDeviceAux : AudioHardwareGetPropertyInfo kAudioHardwarePropertyPlugInForBundleID error");

  976.         printError(osErr);

  977.         return osErr;

  978.     }

  979. 

  980.     AudioValueTranslation pluginAVT;

  981. 

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

  983. 

  984.     pluginAVT.mInputData = &inBundleRef;

  985.     pluginAVT.mInputDataSize = sizeof(inBundleRef);

  986.     pluginAVT.mOutputData = &fPluginID;

  987.     pluginAVT.mOutputDataSize = sizeof(fPluginID);

  988. 

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

  990.     if (osErr != noErr) {

  991.         jack_error("CreateAggregateDeviceAux : AudioHardwareGetProperty kAudioHardwarePropertyPlugInForBundleID error");

  992.         printError(osErr);

  993.         return osErr;

  994.     }

  995. 

  996.     //-------------------------------------------------

  997.     // Create a CFDictionary for our aggregate device

  998.     //-------------------------------------------------

  999. 

  1000.     CFMutableDictionaryRef aggDeviceDict = CFDictionaryCreateMutable(NULL, 0, &kCFTypeDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks);

  1001. 

  1002.     CFStringRef AggregateDeviceNameRef = CFSTR("JackDuplex");

  1003.     CFStringRef AggregateDeviceUIDRef = CFSTR("com.grame.JackDuplex");

  1004. 

  1005.     // add the name of the device to the dictionary

  1006.     CFDictionaryAddValue(aggDeviceDict, CFSTR(kAudioAggregateDeviceNameKey), AggregateDeviceNameRef);

  1007. 

  1008.     // add our choice of UID for the aggregate device to the dictionary

  1009.     CFDictionaryAddValue(aggDeviceDict, CFSTR(kAudioAggregateDeviceUIDKey), AggregateDeviceUIDRef);

  1010. 

  1011.     // add a "private aggregate key" to the dictionary

  1012.     int value = 1;

  1013.     CFNumberRef AggregateDeviceNumberRef = CFNumberCreate(NULL, kCFNumberIntType, &value);

  1014. 

  1015.     SInt32 system;

  1016.     Gestalt(gestaltSystemVersion, &system);

  1017. 

  1018.     jack_log("JackCoreAudioDriver::CreateAggregateDeviceAux : system version = %x limit = %x", system, 0x00001054);

  1019. 

  1020.     // Starting with 10.5.4 systems, the AD can be internal... (better)

  1021.     if (system < 0x00001054) {

  1022.         jack_log("JackCoreAudioDriver::CreateAggregateDeviceAux : public aggregate device....");

  1023.     } else {

  1024.         jack_log("JackCoreAudioDriver::CreateAggregateDeviceAux : private aggregate device....");

  1025.         CFDictionaryAddValue(aggDeviceDict, CFSTR(kAudioAggregateDeviceIsPrivateKey), AggregateDeviceNumberRef);

  1026.     }

  1027. 

  1028.     // Prepare sub-devices for clock drift compensation

  1029.     CFMutableArrayRef subDevicesArrayClock = NULL;

  1030. 

  1031.     /*

  1032.     if (fClockDriftCompensate) {

  1033.         if (need_clock_drift_compensation) {

  1034.             jack_info("Clock drift compensation activated...");

  1035.             subDevicesArrayClock = CFArrayCreateMutable(NULL, 0, &kCFTypeArrayCallBacks);

  1036. 

  1037.             for (UInt32 i = 0; i < captureDeviceID.size(); i++) {

  1038.                 CFStringRef UID = GetDeviceName(captureDeviceID[i]);

  1039.                 if (UID) {

  1040.                     CFMutableDictionaryRef subdeviceAggDeviceDict = CFDictionaryCreateMutable(NULL, 0, &kCFTypeDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks);

  1041.                     CFDictionaryAddValue(subdeviceAggDeviceDict, CFSTR(kAudioSubDeviceUIDKey), UID);

  1042.                     CFDictionaryAddValue(subdeviceAggDeviceDict, CFSTR(kAudioSubDeviceDriftCompensationKey), AggregateDeviceNumberRef);

  1043.                     //CFRelease(UID);

  1044.                     CFArrayAppendValue(subDevicesArrayClock, subdeviceAggDeviceDict);

  1045.                 }

  1046.             }

  1047. 

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

  1049.                 CFStringRef UID = GetDeviceName(playbackDeviceID[i]);

  1050.                 if (UID) {

  1051.                     CFMutableDictionaryRef subdeviceAggDeviceDict = CFDictionaryCreateMutable(NULL, 0, &kCFTypeDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks);

  1052.                     CFDictionaryAddValue(subdeviceAggDeviceDict, CFSTR(kAudioSubDeviceUIDKey), UID);

  1053.                     CFDictionaryAddValue(subdeviceAggDeviceDict, CFSTR(kAudioSubDeviceDriftCompensationKey), AggregateDeviceNumberRef);

  1054.                     //CFRelease(UID);

  1055.                     CFArrayAppendValue(subDevicesArrayClock, subdeviceAggDeviceDict);

  1056.                 }

  1057.             }

  1058. 

  1059.             // add sub-device clock array for the aggregate device to the dictionary

  1060.             CFDictionaryAddValue(aggDeviceDict, CFSTR(kAudioAggregateDeviceSubDeviceListKey), subDevicesArrayClock);

  1061.         } else {

  1062.             jack_info("Clock drift compensation was asked but is not needed (devices use the same clock domain)");

  1063.         }

  1064.     }

  1065.     */

  1066. 

  1067.     //-------------------------------------------------

  1068.     // Create a CFMutableArray for our sub-device list

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

  1070. 

  1071.     // we need to append the UID for each device to a CFMutableArray, so create one here

  1072.     CFMutableArrayRef subDevicesArray = CFArrayCreateMutable(NULL, 0, &kCFTypeArrayCallBacks);

  1073. 

  1074.     vector<CFStringRef> captureDeviceUID;

  1075.     for (UInt32 i = 0; i < captureDeviceID.size(); i++) {

  1076.         CFStringRef ref = GetDeviceName(captureDeviceID[i]);

  1077.         if (ref == NULL) {

  1078.             return -1;

  1079.         }

  1080.         captureDeviceUID.push_back(ref);

  1081.         // input sub-devices in this example, so append the sub-device's UID to the CFArray

  1082.         CFArrayAppendValue(subDevicesArray, ref);

  1083.    }

  1084. 

  1085.     vector<CFStringRef> playbackDeviceUID;

  1086.     for (UInt32 i = 0; i < playbackDeviceID.size(); i++) {

  1087.         CFStringRef ref = GetDeviceName(playbackDeviceID[i]);

  1088.         if (ref == NULL) {

  1089.             return -1;

  1090.         }

  1091.         playbackDeviceUID.push_back(ref);

  1092.         // output sub-devices in this example, so append the sub-device's UID to the CFArray

  1093.         CFArrayAppendValue(subDevicesArray, ref);

  1094.     }

  1095. 

  1096.     //-----------------------------------------------------------------------

  1097.     // Feed the dictionary to the plugin, to create a blank aggregate device

  1098.     //-----------------------------------------------------------------------

  1099. 

  1100.     AudioObjectPropertyAddress pluginAOPA;

  1101.     pluginAOPA.mSelector = kAudioPlugInCreateAggregateDevice;

  1102.     pluginAOPA.mScope = kAudioObjectPropertyScopeGlobal;

  1103.     pluginAOPA.mElement = kAudioObjectPropertyElementMaster;

  1104.     UInt32 outDataSize;

  1105. 

  1106.     osErr = AudioObjectGetPropertyDataSize(fPluginID, &pluginAOPA, 0, NULL, &outDataSize);

  1107.     if (osErr != noErr) {

  1108.         jack_error("CreateAggregateDeviceAux : AudioObjectGetPropertyDataSize error");

  1109.         printError(osErr);

  1110.         goto error;

  1111.     }

  1112. 

  1113.     osErr = AudioObjectGetPropertyData(fPluginID, &pluginAOPA, sizeof(aggDeviceDict), &aggDeviceDict, &outDataSize, outAggregateDevice);

  1114.     if (osErr != noErr) {

  1115.         jack_error("CreateAggregateDeviceAux : AudioObjectGetPropertyData error");

  1116.         printError(osErr);

  1117.         goto error;

  1118.     }

  1119. 

  1120.     // pause for a bit to make sure that everything completed correctly

  1121.     // this is to work around a bug in the HAL where a new aggregate device seems to disappear briefly after it is created

  1122.     CFRunLoopRunInMode(kCFRunLoopDefaultMode, 0.1, false);

  1123. 

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

  1125.     // Set the sub-device list

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

  1127. 

  1128.     pluginAOPA.mSelector = kAudioAggregateDevicePropertyFullSubDeviceList;

  1129.     pluginAOPA.mScope = kAudioObjectPropertyScopeGlobal;

  1130.     pluginAOPA.mElement = kAudioObjectPropertyElementMaster;

  1131.     outDataSize = sizeof(CFMutableArrayRef);

  1132.     osErr = AudioObjectSetPropertyData(*outAggregateDevice, &pluginAOPA, 0, NULL, outDataSize, &subDevicesArray);

  1133.     if (osErr != noErr) {

  1134.         jack_error("CreateAggregateDeviceAux : AudioObjectSetPropertyData for sub-device list error");

  1135.         printError(osErr);

  1136.         goto error;

  1137.     }

  1138. 

  1139.     // pause again to give the changes time to take effect

  1140.     CFRunLoopRunInMode(kCFRunLoopDefaultMode, 0.1, false);

  1141. 

  1142.     //-----------------------

  1143.     // Set the master device

  1144.     //-----------------------

  1145. 

  1146.     // set the master device manually (this is the device which will act as the master clock for the aggregate device)

  1147.     // pass in the UID of the device you want to use

  1148.     pluginAOPA.mSelector = kAudioAggregateDevicePropertyMasterSubDevice;

  1149.     pluginAOPA.mScope = kAudioObjectPropertyScopeGlobal;

  1150.     pluginAOPA.mElement = kAudioObjectPropertyElementMaster;

  1151.     outDataSize = sizeof(CFStringRef);

  1152.     osErr = AudioObjectSetPropertyData(*outAggregateDevice, &pluginAOPA, 0, NULL, outDataSize, &playbackDeviceUID[0]);  // First playback is master...

  1153.     if (osErr != noErr) {

  1154.         jack_error("CreateAggregateDeviceAux : AudioObjectSetPropertyData for master device error");

  1155.         printError(osErr);

  1156.         goto error;

  1157.     }

  1158. 

  1159.     // pause again to give the changes time to take effect

  1160.     CFRunLoopRunInMode(kCFRunLoopDefaultMode, 0.1, false);

  1161. 

  1162.     // Prepare sub-devices for clock drift compensation

  1163.     // Workaround for bug in the HAL : until 10.6.2

  1164. 

  1165.     if (fClockDriftCompensate) {

  1166.         if (need_clock_drift_compensation) {

  1167.             jack_info("Clock drift compensation activated...");

  1168. 

  1169.             // Get the property data size

  1170.             osErr = AudioObjectGetPropertyDataSize(*outAggregateDevice, &theAddressOwned, theQualifierDataSize, theQualifierData, &outSize);

  1171.             if (osErr != noErr) {

  1172.                 jack_error("CreateAggregateDeviceAux kAudioObjectPropertyOwnedObjects error");

  1173.                 printError(osErr);

  1174.             }

  1175. 

  1176.             //	Calculate the number of object IDs

  1177.             subDevicesNum = outSize / sizeof(AudioObjectID);

  1178.             jack_info("JackCoreAudioDriver::CreateAggregateDeviceAux clock drift compensation, number of sub-devices = %d", subDevicesNum);

  1179.             AudioObjectID subDevices[subDevicesNum];

  1180.             outSize = sizeof(subDevices);

  1181. 

  1182.             osErr = AudioObjectGetPropertyData(*outAggregateDevice, &theAddressOwned, theQualifierDataSize, theQualifierData, &outSize, subDevices);

  1183.             if (osErr != noErr) {

  1184.                 jack_error("CreateAggregateDeviceAux kAudioObjectPropertyOwnedObjects error");

  1185.                 printError(osErr);

  1186.             }

  1187. 

  1188.             // Set kAudioSubDevicePropertyDriftCompensation property...

  1189.             for (UInt32 index = 0; index < subDevicesNum; ++index) {

  1190.                 UInt32 theDriftCompensationValue = 1;

  1191.                 osErr = AudioObjectSetPropertyData(subDevices[index], &theAddressDrift, 0, NULL, sizeof(UInt32), &theDriftCompensationValue);

  1192.                 if (osErr != noErr) {

  1193.                     jack_error("CreateAggregateDeviceAux kAudioSubDevicePropertyDriftCompensation error");

  1194.                     printError(osErr);

  1195.                 }

  1196.             }

  1197.         } else {

  1198.             jack_info("Clock drift compensation was asked but is not needed (devices use the same clock domain)");

  1199.         }

  1200.     }

  1201. 

  1202.     // pause again to give the changes time to take effect

  1203.     CFRunLoopRunInMode(kCFRunLoopDefaultMode, 0.1, false);

  1204. 

  1205.     //----------

  1206.     // Clean up

  1207.     //----------

  1208. 

  1209.     // release the private AD key

  1210.     CFRelease(AggregateDeviceNumberRef);

  1211. 

  1212.     // release the CF objects we have created - we don't need them any more

  1213.     CFRelease(aggDeviceDict);

  1214.     CFRelease(subDevicesArray);

  1215. 

  1216.     if (subDevicesArrayClock) {

  1217.         CFRelease(subDevicesArrayClock);

  1218.     }

  1219. 

  1220.     // release the device UID

  1221.     for (UInt32 i = 0; i < captureDeviceUID.size(); i++) {

  1222.         CFRelease(captureDeviceUID[i]);

  1223.     }

  1224. 

  1225.     for (UInt32 i = 0; i < playbackDeviceUID.size(); i++) {

  1226.         CFRelease(playbackDeviceUID[i]);

  1227.     }

  1228. 

  1229.     jack_log("JackCoreAudioDriver::CreateAggregateDeviceAux : new aggregate device %ld", *outAggregateDevice);

  1230.     return noErr;

  1231. 

  1232. error:

  1233.     DestroyAggregateDevice();

  1234.     return -1;

  1235. }

  1236. 

  1237. int JackCoreAudioDriver::SetupDevices(const char* capture_driver_uid,

  1238.                                       const char* playback_driver_uid,

  1239.                                       char* capture_driver_name,

  1240.                                       char* playback_driver_name,

  1241.                                       jack_nframes_t samplerate,

  1242.                                       bool ac3_encoding)

  1243. {

  1244.     capture_driver_name[0] = 0;

  1245.     playback_driver_name[0] = 0;

  1246. 

  1247.     // Duplex

  1248.     if (strcmp(capture_driver_uid, "") != 0 && strcmp(playback_driver_uid, "") != 0) {

  1249.         jack_log("JackCoreAudioDriver::SetupDevices : duplex");

  1250. 

  1251.         // Same device for capture and playback...

  1252.         if (strcmp(capture_driver_uid, playback_driver_uid) == 0)  {

  1253. 

  1254.             if (GetDeviceIDFromUID(playback_driver_uid, &fDeviceID) != noErr) {

  1255.                 jack_log("JackCoreAudioDriver::SetupDevices : will take default in/out");

  1256.                 if (GetDefaultDevice(&fDeviceID) != noErr) {

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

  1258.                     return -1;

  1259.                 }

  1260.             }

  1261.             

  1262.             if (GetDeviceNameFromID(fDeviceID, capture_driver_name) != noErr || GetDeviceNameFromID(fDeviceID, playback_driver_name) != noErr) {

  1263.                 jack_error("Cannot get device name from device ID");

  1264.                 return -1;

  1265.             }

  1266.             

  1267.             if (fHogged) {

  1268.                 if (!TakeHogAux(fDeviceID, false)) {

  1269.                     jack_error("Cannot take hog mode");

  1270.                 } 

  1271.                 if (ac3_encoding) {

  1272.                     fDigitalPlayback = IsDigitalDevice(fDeviceID);

  1273.                 }

  1274.             }

  1275. 

  1276.         } else {

  1277. 

  1278.             // Creates aggregate device

  1279.             AudioDeviceID captureID = -1;

  1280.             AudioDeviceID playbackID = -1;

  1281.     

  1282.             if (GetDeviceIDFromUID(capture_driver_uid, &captureID) != noErr) {

  1283.                 jack_log("JackCoreAudioDriver::SetupDevices : will take default input");

  1284.                 if (GetDefaultInputDevice(&captureID) != noErr) {

  1285.                     jack_error("Cannot open default input device");

  1286.                     return -1;

  1287.                 }

  1288.             }

  1289. 

  1290.             if (GetDeviceIDFromUID(playback_driver_uid, &playbackID) != noErr) {

  1291.                 jack_log("JackCoreAudioDriver::SetupDevices : will take default output");

  1292.                 if (GetDefaultOutputDevice(&playbackID) != noErr) {

  1293.                     jack_error("Cannot open default output device");

  1294.                     return -1;

  1295.                 }

  1296.             }

  1297. 

  1298.             if (CreateAggregateDevice(captureID, playbackID, samplerate, &fDeviceID) != noErr) {

  1299.                 return -1;

  1300.             }

  1301. 

  1302.             GetDeviceNameFromID(captureID, fCaptureUID);

  1303.             GetDeviceNameFromID(playbackID, fPlaybackUID);

  1304.             

  1305.             if (fHogged) {

  1306.                 if (!TakeHogAux(captureID, true)) {

  1307.                     jack_error("Cannot take hog mode for capture device");

  1308.                 }

  1309.                 if (!TakeHogAux(playbackID, false)) {

  1310.                     jack_error("Cannot take hog mode for playback device");

  1311.                 }

  1312.                 if (ac3_encoding) {

  1313.                     fDigitalPlayback = IsDigitalDevice(playbackID);

  1314.                 }

  1315.             }

  1316.             

  1317.         }

  1318. 

  1319.     // Capture only

  1320.     } else if (strcmp(capture_driver_uid, "") != 0) {

  1321.     

  1322.         jack_log("JackCoreAudioDriver::SetupDevices : capture only");

  1323.         if (GetDeviceIDFromUID(capture_driver_uid, &fDeviceID) != noErr) {

  1324.             jack_log("JackCoreAudioDriver::SetupDevices : will take default input");

  1325.             if (GetDefaultInputDevice(&fDeviceID) != noErr) {

  1326.                 jack_error("Cannot open default input device");

  1327.                 return -1;

  1328.             }

  1329.         }

  1330.         

  1331.         if (GetDeviceNameFromID(fDeviceID, capture_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, true)) {

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

  1339.             }

  1340.         }

  1341. 

  1342.     // Playback only

  1343.     } else if (strcmp(playback_driver_uid, "") != 0) {

  1344.     

  1345.         jack_log("JackCoreAudioDriver::SetupDevices : playback only");

  1346.         if (GetDeviceIDFromUID(playback_driver_uid, &fDeviceID) != noErr) {

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

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

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

  1350.                 return -1;

  1351.             }

  1352.         }

  1353.         

  1354.         if (GetDeviceNameFromID(fDeviceID, playback_driver_name) != noErr) {

  1355.             jack_error("Cannot get device name from device ID");

  1356.             return -1;

  1357.         }

  1358.         

  1359.         if (fHogged) {

  1360.             if (!TakeHogAux(fDeviceID, false)) {

  1361.                 jack_error("Cannot take hog mode for playback device");

  1362.             }

  1363.             if (ac3_encoding) {

  1364.                 fDigitalPlayback = IsDigitalDevice(fDeviceID);

  1365.             }

  1366.         }

  1367. 

  1368.     // Use default driver in duplex mode

  1369.     } else {

  1370.         jack_log("JackCoreAudioDriver::SetupDevices : default driver");

  1371.         if (GetDefaultDevice(&fDeviceID) != noErr) {

  1372.             jack_error("Cannot open default device in duplex mode, so aggregate default input and default output");

  1373. 

  1374.             // Creates aggregate device

  1375.             AudioDeviceID captureID = -1;

  1376.             AudioDeviceID playbackID = -1;

  1377.             

  1378.             if (GetDeviceIDFromUID(capture_driver_uid, &captureID) != noErr) {

  1379.                 jack_log("JackCoreAudioDriver::SetupDevices : will take default input");

  1380.                 if (GetDefaultInputDevice(&captureID) != noErr) {

  1381.                     jack_error("Cannot open default input device");

  1382.                     return -1;

  1383.                 }

  1384.             }

  1385. 

  1386.             if (GetDeviceIDFromUID(playback_driver_uid, &playbackID) != noErr) {

  1387.                 jack_log("JackCoreAudioDriver::SetupDevices : will take default output");

  1388.                 if (GetDefaultOutputDevice(&playbackID) != noErr) {

  1389.                     jack_error("Cannot open default output device");

  1390.                     return -1;

  1391.                 }

  1392.             }

  1393. 

  1394.             if (CreateAggregateDevice(captureID, playbackID, samplerate, &fDeviceID) != noErr) {

  1395.                 return -1;

  1396.             }

  1397. 

  1398.             GetDeviceNameFromID(captureID, fCaptureUID);

  1399.             GetDeviceNameFromID(playbackID, fPlaybackUID);

  1400.             

  1401.             if (fHogged) {

  1402.                 if (!TakeHogAux(captureID, true)) {

  1403.                     jack_error("Cannot take hog mode for capture device");

  1404.                 }

  1405.                 if (!TakeHogAux(playbackID, false)) {

  1406.                     jack_error("Cannot take hog mode for playback device");

  1407.                 }

  1408.                 if (ac3_encoding) {

  1409.                     fDigitalPlayback = IsDigitalDevice(playbackID);

  1410.                 }

  1411.             }

  1412.         }

  1413.     }

  1414.      

  1415.     return 0;

  1416. }

  1417. 

  1418. /*

  1419. Return the max possible input channels in in_maxChannels and output channels in out_maxChannels.

  1420. */

  1421. int JackCoreAudioDriver::SetupChannels(bool capturing, bool playing, int& inchannels, int& outchannels, int& in_maxChannels, int& out_maxChannels, bool strict)

  1422. {

  1423.     OSStatus err = noErr;

  1424.     

  1425.     jack_log("JackCoreAudioDriver::SetupChannels : fDeviceID = %d", fDeviceID);

  1426. 

  1427.     if (capturing) {

  1428.         err = GetTotalChannels(fDeviceID, in_maxChannels, true);

  1429.         if (err != noErr) {

  1430.             jack_error("SetupChannels : cannot get input channel number");

  1431.             printError(err);

  1432.             return -1;

  1433.         } else {

  1434.             jack_log("JackCoreAudioDriver::SetupChannels : max input channels : %d", in_maxChannels);

  1435.         }

  1436.     }

  1437. 

  1438.     if (playing) {

  1439.         err = GetTotalChannels(fDeviceID, out_maxChannels, false);

  1440.         if (err != noErr) {

  1441.             jack_error("Cannot get output channel number");

  1442.             printError(err);

  1443.             return -1;

  1444.         } else {

  1445.             jack_log("JackCoreAudioDriver::SetupChannels : max output channels : %d", out_maxChannels);

  1446.         }

  1447.     }

  1448. 

  1449.     if (inchannels > in_maxChannels) {

  1450.         jack_error("This device hasn't required input channels inchannels = %d in_maxChannels = %d", inchannels, in_maxChannels);

  1451.         if (strict) {

  1452.             return -1;

  1453.         }

  1454.     }

  1455. 

  1456.     if (outchannels > out_maxChannels) {

  1457.         jack_error("This device hasn't required output channels outchannels = %d out_maxChannels = %d", outchannels, out_maxChannels);

  1458.         if (strict) {

  1459.             return -1;

  1460.         }

  1461.     }

  1462. 

  1463.     if (inchannels == -1) {

  1464.         jack_log("JackCoreAudioDriver::SetupChannels : setup max in channels = %d", in_maxChannels);

  1465.         inchannels = in_maxChannels;

  1466.     }

  1467. 

  1468.     if (outchannels == -1) {

  1469.         jack_log("JackCoreAudioDriver::SetupChannels : setup max out channels = %d", out_maxChannels);

  1470.         outchannels = out_maxChannels;

  1471.     }

  1472. 

  1473.     return 0;

  1474. }

  1475. 

  1476. int JackCoreAudioDriver::SetupBufferSize(jack_nframes_t buffer_size)

  1477. {

  1478.     // Setting buffer size

  1479.     OSStatus err = noErr;

  1480.     UInt32 tmp_buffer_size = buffer_size;

  1481.     UInt32 outSize = sizeof(UInt32);

  1482.  

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

  1484.     if (err != noErr) {

  1485.         jack_error("Cannot get buffer size %ld", buffer_size);

  1486.         printError(err);

  1487.         return -1;

  1488.     } else {

  1489.         jack_log("JackCoreAudioDriver::SetupBufferSize : current buffer size = %ld", tmp_buffer_size);

  1490.     }

  1491. 

  1492.     // If needed, set new buffer size

  1493.     if (buffer_size != tmp_buffer_size) {

  1494.         tmp_buffer_size = buffer_size;

  1495. 

  1496.         // To get BS change notification

  1497.         err = AudioDeviceAddPropertyListener(fDeviceID, 0, true, kAudioDevicePropertyBufferFrameSize, BSNotificationCallback, this);

  1498.         if (err != noErr) {

  1499.             jack_error("Error calling AudioDeviceAddPropertyListener with kAudioDevicePropertyBufferFrameSize");

  1500.             printError(err);

  1501.             return -1;

  1502.         }

  1503. 

  1504.         // Waiting for BS change notification

  1505.         int count = 0;

  1506.         fState = false;

  1507. 

  1508.         err = AudioDeviceSetProperty(fDeviceID, NULL, 0, kAudioDeviceSectionGlobal, kAudioDevicePropertyBufferFrameSize, outSize, &tmp_buffer_size);

  1509.         if (err != noErr) {

  1510.             jack_error("SetupBufferSize : cannot set buffer size = %ld", tmp_buffer_size);

  1511.             printError(err);

  1512.             goto error;

  1513.         }

  1514. 

  1515.         while (!fState && count++ < WAIT_NOTIFICATION_COUNTER) {

  1516.             usleep(100000);

  1517.             jack_log("JackCoreAudioDriver::SetupBufferSize : wait count = %d", count);

  1518.         }

  1519. 

  1520.         if (count >= WAIT_NOTIFICATION_COUNTER) {

  1521.             jack_error("Did not get buffer size notification...");

  1522.             goto error;

  1523.         }

  1524. 

  1525.         // Check new buffer size

  1526.         outSize = sizeof(UInt32);

  1527.         err = AudioDeviceGetProperty(fDeviceID, 0, kAudioDeviceSectionGlobal, kAudioDevicePropertyBufferFrameSize, &outSize, &tmp_buffer_size);

  1528.         if (err != noErr) {

  1529.             jack_error("Cannot get current buffer size");

  1530.             printError(err);

  1531.         } else {

  1532.             jack_log("JackCoreAudioDriver::SetupBufferSize : checked buffer size = %ld", tmp_buffer_size);

  1533.         }

  1534. 

  1535.         // Remove BS change notification

  1536.         AudioDeviceRemovePropertyListener(fDeviceID, 0, true, kAudioDevicePropertyBufferFrameSize, BSNotificationCallback);

  1537.     }

  1538. 

  1539.     return 0;

  1540. 

  1541. error:

  1542. 

  1543.     // Remove BS change notification

  1544.     AudioDeviceRemovePropertyListener(fDeviceID, 0, true, kAudioDevicePropertyBufferFrameSize, BSNotificationCallback);

  1545.     return -1;

  1546. }

  1547. 

  1548. int JackCoreAudioDriver::SetupSampleRate(jack_nframes_t sample_rate)

  1549. {

  1550.     return SetupSampleRateAux(fDeviceID, sample_rate);

  1551. }

  1552. 

  1553. int JackCoreAudioDriver::SetupSampleRateAux(AudioDeviceID inDevice, jack_nframes_t sample_rate)

  1554. {

  1555.     OSStatus err = noErr;

  1556.     UInt32 outSize;

  1557.     Float64 tmp_sample_rate;

  1558. 

  1559.     // Get sample rate

  1560.     outSize =  sizeof(Float64);

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

  1562.     if (err != noErr) {

  1563.         jack_error("Cannot get current sample rate");

  1564.         printError(err);

  1565.         return -1;

  1566.     } else {

  1567.         jack_log("JackCoreAudioDriver::SetupSampleRateAux : current sample rate = %f", tmp_sample_rate);

  1568.     }

  1569. 

  1570.     // If needed, set new sample rate

  1571.     if (sample_rate != (jack_nframes_t)tmp_sample_rate) {

  1572.         tmp_sample_rate = (Float64)sample_rate;

  1573. 

  1574.         // To get SR change notification

  1575.         err = AudioDeviceAddPropertyListener(inDevice, 0, true, kAudioDevicePropertyNominalSampleRate, SRNotificationCallback, this);

  1576.         if (err != noErr) {

  1577.             jack_error("Error calling AudioDeviceAddPropertyListener with kAudioDevicePropertyNominalSampleRate");

  1578.             printError(err);

  1579.             return -1;

  1580.         }

  1581. 

  1582.         // Waiting for SR change notification

  1583.         int count = 0;

  1584.         fState = false;

  1585. 

  1586.         err = AudioDeviceSetProperty(inDevice, NULL, 0, kAudioDeviceSectionGlobal, kAudioDevicePropertyNominalSampleRate, outSize, &tmp_sample_rate);

  1587.         if (err != noErr) {

  1588.             jack_error("Cannot set sample rate = %ld", sample_rate);

  1589.             printError(err);

  1590.             goto error;

  1591.         }

  1592. 

  1593.         while (!fState && count++ < WAIT_NOTIFICATION_COUNTER) {

  1594.             usleep(100000);

  1595.             jack_log("JackCoreAudioDriver::SetupSampleRateAux : wait count = %d", count);

  1596.         }

  1597. 

  1598.         if (count >= WAIT_NOTIFICATION_COUNTER) {

  1599.             jack_error("Did not get sample rate notification...");

  1600.             goto error;

  1601.         }

  1602. 

  1603.         // Check new sample rate

  1604.         outSize = sizeof(Float64);

  1605.         err = AudioDeviceGetProperty(inDevice, 0, kAudioDeviceSectionGlobal, kAudioDevicePropertyNominalSampleRate, &outSize, &tmp_sample_rate);

  1606.         if (err != noErr) {

  1607.             jack_error("Cannot get current sample rate");

  1608.             printError(err);

  1609.         } else {

  1610.             jack_log("JackCoreAudioDriver::SetupSampleRateAux : checked sample rate = %f", tmp_sample_rate);

  1611.         }

  1612. 

  1613.         // Remove SR change notification

  1614.         AudioDeviceRemovePropertyListener(inDevice, 0, true, kAudioDevicePropertyNominalSampleRate, SRNotificationCallback);

  1615.     }

  1616. 

  1617.     return 0;

  1618. 

  1619. error:

  1620. 

  1621.     // Remove SR change notification

  1622.     AudioDeviceRemovePropertyListener(inDevice, 0, true, kAudioDevicePropertyNominalSampleRate, SRNotificationCallback);

  1623.     return -1;

  1624. }

  1625. 

  1626. int JackCoreAudioDriver::OpenAUHAL(bool capturing,

  1627.                                    bool playing,

  1628.                                    int inchannels,

  1629.                                    int outchannels,

  1630.                                    int in_maxChannels,

  1631.                                    int out_maxChannels,

  1632.                                    const vector<int>& chan_in_list,

  1633.                                    const vector<int>& chan_out_list,

  1634.                                    jack_nframes_t buffer_size,

  1635.                                    jack_nframes_t sample_rate)

  1636. {

  1637.     ComponentResult err1;

  1638.     UInt32 enableIO;

  1639.     AudioStreamBasicDescription srcFormat, dstFormat;

  1640.     AudioDeviceID currAudioDeviceID;

  1641.     UInt32 size;

  1642. 

  1643.     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",

  1644.         capturing, playing, inchannels, outchannels, in_maxChannels, out_maxChannels, chan_in_list.size(), chan_out_list.size());

  1645. 

  1646.     if (inchannels == 0 && outchannels == 0) {

  1647.         jack_error("No input and output channels...");

  1648.         return -1;

  1649.     }

  1650.     

  1651.     // AUHAL

  1652. #ifdef MAC_OS_X_VERSION_10_5

  1653.     ComponentDescription cd = {kAudioUnitType_Output, kAudioUnitSubType_HALOutput, kAudioUnitManufacturer_Apple, 0, 0};

  1654.     Component HALOutput = FindNextComponent(NULL, &cd);

  1655.     err1 = OpenAComponent(HALOutput, &fAUHAL);

  1656.     if (err1 != noErr) {

  1657.         jack_error("Error calling OpenAComponent");

  1658.         printError(err1);

  1659.         goto error;

  1660.     }

  1661. #else 

  1662.     AudioComponentDescription cd = {kAudioUnitType_Output, kAudioUnitSubType_HALOutput, kAudioUnitManufacturer_Apple, 0, 0};

  1663.     AudioComponent HALOutput = AudioComponentFindNext(NULL, &cd);

  1664.     err1 = AudioComponentInstanceNew(HALOutput, &fAUHAL);

  1665.     if (err1 != noErr) {

  1666.         jack_error("Error calling AudioComponentInstanceNew");

  1667.         printError(err1);

  1668.         goto error;

  1669.     }

  1670. #endif

  1671. 

  1672.     err1 = AudioUnitInitialize(fAUHAL);

  1673.     if (err1 != noErr) {

  1674.         jack_error("Cannot initialize AUHAL unit");

  1675.         printError(err1);

  1676.         goto error;

  1677.     }

  1678.     

  1679.     // Start I/O

  1680.     if (capturing && inchannels > 0) {

  1681.         enableIO = 1;

  1682.         jack_log("JackCoreAudioDriver::OpenAUHAL : setup AUHAL input on");

  1683.     } else {

  1684.         enableIO = 0;

  1685.         jack_log("JackCoreAudioDriver::OpenAUHAL : setup AUHAL input off");

  1686.     }

  1687. 

  1688.     err1 = AudioUnitSetProperty(fAUHAL, kAudioOutputUnitProperty_EnableIO, kAudioUnitScope_Input, 1, &enableIO, sizeof(enableIO));

  1689.     if (err1 != noErr) {

  1690.         jack_error("Error calling AudioUnitSetProperty - kAudioOutputUnitProperty_EnableIO, kAudioUnitScope_Input");

  1691.         printError(err1);

  1692.         goto error;

  1693.     }

  1694. 

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

  1696.         enableIO = 1;

  1697.         jack_log("JackCoreAudioDriver::OpenAUHAL : setup AUHAL output on");

  1698.     } else {

  1699.         enableIO = 0;

  1700.         jack_log("JackCoreAudioDriver::OpenAUHAL : setup AUHAL output off");

  1701.     }

  1702. 

  1703.     err1 = AudioUnitSetProperty(fAUHAL, kAudioOutputUnitProperty_EnableIO, kAudioUnitScope_Output, 0, &enableIO, sizeof(enableIO));

  1704.     if (err1 != noErr) {

  1705.         jack_error("Error calling AudioUnitSetProperty - kAudioOutputUnitProperty_EnableIO, kAudioUnitScope_Output");

  1706.         printError(err1);

  1707.         goto error;

  1708.     }

  1709. 

  1710.     size = sizeof(AudioDeviceID);

  1711.     err1 = AudioUnitGetProperty(fAUHAL, kAudioOutputUnitProperty_CurrentDevice, kAudioUnitScope_Global, 0, &currAudioDeviceID, &size);

  1712.     if (err1 != noErr) {

  1713.         jack_error("Error calling AudioUnitGetProperty - kAudioOutputUnitProperty_CurrentDevice");

  1714.         printError(err1);

  1715.         goto error;

  1716.     } else {

  1717.         jack_log("JackCoreAudioDriver::OpenAUHAL : AudioUnitGetPropertyCurrentDevice = %d", currAudioDeviceID);

  1718.     }

  1719. 

  1720.     // Setup up choosen device, in both input and output cases

  1721.     err1 = AudioUnitSetProperty(fAUHAL, kAudioOutputUnitProperty_CurrentDevice, kAudioUnitScope_Global, 0, &fDeviceID, sizeof(AudioDeviceID));

  1722.     if (err1 != noErr) {

  1723.         jack_error("Error calling AudioUnitSetProperty - kAudioOutputUnitProperty_CurrentDevice");

  1724.         printError(err1);

  1725.         goto error;

  1726.     }

  1727. 

  1728.     // Set buffer size

  1729.     if (capturing && inchannels > 0) {

  1730.         err1 = AudioUnitSetProperty(fAUHAL, kAudioUnitProperty_MaximumFramesPerSlice, kAudioUnitScope_Global, 1, (UInt32*)&buffer_size, sizeof(UInt32));

  1731.         if (err1 != noErr) {

  1732.             jack_error("Error calling AudioUnitSetProperty - kAudioUnitProperty_MaximumFramesPerSlice");

  1733.             printError(err1);

  1734.             goto error;

  1735.         }

  1736.     }

  1737. 

  1738.     if (playing && outchannels > 0) {

  1739.         err1 = AudioUnitSetProperty(fAUHAL, kAudioUnitProperty_MaximumFramesPerSlice, kAudioUnitScope_Global, 0, (UInt32*)&buffer_size, sizeof(UInt32));

  1740.         if (err1 != noErr) {

  1741.             jack_error("Error calling AudioUnitSetProperty - kAudioUnitProperty_MaximumFramesPerSlice");

  1742.             printError(err1);

  1743.             goto error;

  1744.         }

  1745.     }

  1746. 

  1747.     // Setup input channel map

  1748.     if (capturing && inchannels > 0 && inchannels <= in_maxChannels) {

  1749.         SInt32 chanArr[in_maxChannels];

  1750.         for (int i = 0; i < in_maxChannels; i++) {

  1751.             chanArr[i] = -1;

  1752.         }

  1753.         // Explicit mapping

  1754.         if (chan_in_list.size() > 0) {

  1755.             for (uint i = 0; i < chan_in_list.size(); i++) {

  1756.                 int chan = chan_in_list[i];

  1757.                 if (chan < in_maxChannels) {

  1758.                     // The wanted JACK input index for the 'chan' channel value

  1759.                     chanArr[chan] = i;

  1760.                     jack_info("Input channel = %d ==> JACK input port = %d", chan, i);

  1761.                 } else {

  1762.                     jack_info("Error input channel number is incorrect : %d", chan);

  1763.                     goto error;

  1764.                 }

  1765.             }

  1766.         } else {

  1767.             for (int i = 0; i < inchannels; i++) {

  1768.                 chanArr[i] = i;

  1769.                 jack_info("Input channel = %d ==> JACK input port = %d", chanArr[i], i);

  1770.             }

  1771.         }

  1772. 

  1773.         AudioUnitSetProperty(fAUHAL, kAudioOutputUnitProperty_ChannelMap , kAudioUnitScope_Input, 1, chanArr, sizeof(SInt32) * in_maxChannels);

  1774.         if (err1 != noErr) {

  1775.             jack_error("Error calling AudioUnitSetProperty - kAudioOutputUnitProperty_ChannelMap for input");

  1776.             printError(err1);

  1777.             goto error;

  1778.         }

  1779.     }

  1780. 

  1781.     // Setup output channel map

  1782.     if (playing && outchannels > 0 && outchannels <= out_maxChannels) {

  1783.         SInt32 chanArr[out_maxChannels];

  1784.         for (int i = 0;	i < out_maxChannels; i++) {

  1785.             chanArr[i] = -1;

  1786.         }

  1787.         // Explicit mapping

  1788.         if (chan_out_list.size() > 0) {

  1789.             for (uint i = 0; i < chan_out_list.size(); i++) {

  1790.                 int chan = chan_out_list[i];

  1791.                 if (chan < out_maxChannels) {

  1792.                     // The wanted JACK output index for the 'chan' channel value

  1793.                     chanArr[chan] = i;

  1794.                     jack_info("JACK output port = %d ==> output channel = %d", i, chan);

  1795.                 } else {

  1796.                     jack_info("Error output channel number is incorrect : %d", chan);

  1797.                     goto error;

  1798.                 }

  1799.             }

  1800.         } else {

  1801.             for (int i = 0; i < outchannels; i++) {

  1802.                 chanArr[i] = i;

  1803.                 jack_info("JACK output port = %d ==> output channel = %d", i, chanArr[i]);

  1804.             }

  1805.         }

  1806. 

  1807.         err1 = AudioUnitSetProperty(fAUHAL, kAudioOutputUnitProperty_ChannelMap, kAudioUnitScope_Output, 0, chanArr, sizeof(SInt32) * out_maxChannels);

  1808.         if (err1 != noErr) {

  1809.             jack_error("Error calling AudioUnitSetProperty - kAudioOutputUnitProperty_ChannelMap for output");

  1810.             printError(err1);

  1811.             goto error;

  1812.         }

  1813.     }

  1814. 

  1815.     // Setup stream converters

  1816.     if (capturing && inchannels > 0) {

  1817. 

  1818.         size = sizeof(AudioStreamBasicDescription);

  1819.         err1 = AudioUnitGetProperty(fAUHAL, kAudioUnitProperty_StreamFormat, kAudioUnitScope_Output, 1, &srcFormat, &size);

  1820.         if (err1 != noErr) {

  1821.             jack_error("Error calling AudioUnitGetProperty - kAudioUnitProperty_StreamFormat kAudioUnitScope_Output");

  1822.             printError(err1);

  1823.             goto error;

  1824.         }

  1825.         PrintStreamDesc(&srcFormat);

  1826. 

  1827.         jack_log("JackCoreAudioDriver::OpenAUHAL : setup AUHAL input stream converter SR = %ld", sample_rate);

  1828.         srcFormat.mSampleRate = sample_rate;

  1829.         srcFormat.mFormatID = kAudioFormatLinearPCM;

  1830.         srcFormat.mFormatFlags = kAudioFormatFlagsNativeFloatPacked | kLinearPCMFormatFlagIsNonInterleaved;

  1831.         srcFormat.mBytesPerPacket = sizeof(jack_default_audio_sample_t);

  1832.         srcFormat.mFramesPerPacket = 1;

  1833.         srcFormat.mBytesPerFrame = sizeof(jack_default_audio_sample_t);

  1834.         srcFormat.mChannelsPerFrame = inchannels;

  1835.         srcFormat.mBitsPerChannel = 32;

  1836.         PrintStreamDesc(&srcFormat);

  1837. 

  1838.         err1 = AudioUnitSetProperty(fAUHAL, kAudioUnitProperty_StreamFormat, kAudioUnitScope_Output, 1, &srcFormat, sizeof(AudioStreamBasicDescription));

  1839.         if (err1 != noErr) {

  1840.             jack_error("Error calling AudioUnitSetProperty - kAudioUnitProperty_StreamFormat kAudioUnitScope_Output");

  1841.             printError(err1);

  1842.             goto error;

  1843.         }

  1844.     }

  1845. 

  1846.     if (playing && outchannels > 0) {

  1847. 

  1848.         size = sizeof(AudioStreamBasicDescription);

  1849.         err1 = AudioUnitGetProperty(fAUHAL, kAudioUnitProperty_StreamFormat, kAudioUnitScope_Input, 0, &dstFormat, &size);

  1850.         if (err1 != noErr) {

  1851.             jack_error("Error calling AudioUnitGetProperty - kAudioUnitProperty_StreamFormat kAudioUnitScope_Input");

  1852.             printError(err1);

  1853.             goto error;

  1854.         }

  1855.         PrintStreamDesc(&dstFormat);

  1856. 

  1857.         jack_log("JackCoreAudioDriver::OpenAUHAL : setup AUHAL output stream converter SR = %ld", sample_rate);

  1858.         dstFormat.mSampleRate = sample_rate;

  1859.         dstFormat.mFormatID = kAudioFormatLinearPCM;

  1860.         dstFormat.mFormatFlags = kAudioFormatFlagsNativeFloatPacked | kLinearPCMFormatFlagIsNonInterleaved;

  1861.         dstFormat.mBytesPerPacket = sizeof(jack_default_audio_sample_t);

  1862.         dstFormat.mFramesPerPacket = 1;

  1863.         dstFormat.mBytesPerFrame = sizeof(jack_default_audio_sample_t);

  1864.         dstFormat.mChannelsPerFrame = outchannels;

  1865.         dstFormat.mBitsPerChannel = 32;

  1866.         PrintStreamDesc(&dstFormat);

  1867. 

  1868.         err1 = AudioUnitSetProperty(fAUHAL, kAudioUnitProperty_StreamFormat, kAudioUnitScope_Input, 0, &dstFormat, sizeof(AudioStreamBasicDescription));

  1869.         if (err1 != noErr) {

  1870.             jack_error("Error calling AudioUnitSetProperty - kAudioUnitProperty_StreamFormat kAudioUnitScope_Input");

  1871.             printError(err1);

  1872.             goto error;

  1873.         }

  1874.     }

  1875. 

  1876.     // Setup callbacks

  1877.     if (inchannels > 0 && outchannels == 0) {

  1878.         AURenderCallbackStruct output;

  1879.         output.inputProc = Render;

  1880.         output.inputProcRefCon = this;

  1881.         err1 = AudioUnitSetProperty(fAUHAL, kAudioOutputUnitProperty_SetInputCallback, kAudioUnitScope_Global, 0, &output, sizeof(output));

  1882.         if (err1 != noErr) {

  1883.             jack_error("Error calling  AudioUnitSetProperty - kAudioUnitProperty_SetRenderCallback 1");

  1884.             printError(err1);

  1885.             goto error;

  1886.         }

  1887.     } else {

  1888.         AURenderCallbackStruct output;

  1889.         output.inputProc = Render;

  1890.         output.inputProcRefCon = this;

  1891.         err1 = AudioUnitSetProperty(fAUHAL, kAudioUnitProperty_SetRenderCallback, kAudioUnitScope_Input, 0, &output, sizeof(output));

  1892.         if (err1 != noErr) {

  1893.             jack_error("Error calling AudioUnitSetProperty - kAudioUnitProperty_SetRenderCallback 0");

  1894.             printError(err1);

  1895.             goto error;

  1896.         }

  1897.     }

  1898. 

  1899.     return 0;

  1900. 

  1901. error:

  1902.     CloseAUHAL();

  1903.     return -1;

  1904. }

  1905. 

  1906. int JackCoreAudioDriver::SetupBuffers(int inchannels)

  1907. {

  1908.     // Prepare buffers

  1909.     fJackInputData = (AudioBufferList*)malloc(sizeof(UInt32) + inchannels * sizeof(AudioBuffer));

  1910.     fJackInputData->mNumberBuffers = inchannels;

  1911.     for (int i = 0; i < inchannels; i++) {

  1912.         fJackInputData->mBuffers[i].mNumberChannels = 1;

  1913.         fJackInputData->mBuffers[i].mDataByteSize = fEngineControl->fBufferSize * sizeof(jack_default_audio_sample_t);

  1914.     }

  1915.     return 0;

  1916. }

  1917. 

  1918. void JackCoreAudioDriver::DisposeBuffers()

  1919. {

  1920.     if (fJackInputData) {

  1921.         free(fJackInputData);

  1922.         fJackInputData = 0;

  1923.     }

  1924. }

  1925. 

  1926. void JackCoreAudioDriver::CloseAUHAL()

  1927. {

  1928.     AudioOutputUnitStop(fAUHAL);

  1929.     AudioUnitUninitialize(fAUHAL);

  1930.     CloseComponent(fAUHAL);

  1931. }

  1932. 

  1933. int JackCoreAudioDriver::AddListeners()

  1934. {

  1935.     OSStatus err = noErr;

  1936. 

  1937.     // Add listeners

  1938.     err = AudioDeviceAddPropertyListener(fDeviceID, 0, true, kAudioDeviceProcessorOverload, DeviceNotificationCallback, this);

  1939.     if (err != noErr) {

  1940.         jack_error("Error calling AudioDeviceAddPropertyListener with kAudioDeviceProcessorOverload");

  1941.         printError(err);

  1942.         return -1;

  1943.     }

  1944. 

  1945.     err = AudioHardwareAddPropertyListener(kAudioHardwarePropertyDevices, AudioHardwareNotificationCallback, this);

  1946.     if (err != noErr) {

  1947.         jack_error("Error calling AudioHardwareAddPropertyListener with kAudioHardwarePropertyDevices");

  1948.         printError(err);

  1949.         return -1;

  1950.     }

  1951. 

  1952.     err = AudioDeviceAddPropertyListener(fDeviceID, 0, true, kAudioDevicePropertyNominalSampleRate, DeviceNotificationCallback, this);

  1953.     if (err != noErr) {

  1954.         jack_error("Error calling AudioDeviceAddPropertyListener with kAudioDevicePropertyNominalSampleRate");

  1955.         printError(err);

  1956.         return -1;

  1957.     }

  1958. 

  1959.     err = AudioDeviceAddPropertyListener(fDeviceID, 0, true, kAudioDevicePropertyDeviceIsRunning, DeviceNotificationCallback, this);

  1960.     if (err != noErr) {

  1961.         jack_error("Error calling AudioDeviceAddPropertyListener with kAudioDevicePropertyDeviceIsRunning");

  1962.         printError(err);

  1963.         return -1;

  1964.     }

  1965. 

  1966.     err = AudioDeviceAddPropertyListener(fDeviceID, 0, true, kAudioDevicePropertyDeviceIsAlive, DeviceNotificationCallback, this);

  1967.     if (err != noErr) {

  1968.         jack_error("Error calling AudioDeviceAddPropertyListener with kAudioDevicePropertyDeviceIsAlive");

  1969.         printError(err);

  1970.         return -1;

  1971.     }

  1972. 

  1973.     err = AudioDeviceAddPropertyListener(fDeviceID, 0, true, kAudioDevicePropertyDeviceHasChanged, DeviceNotificationCallback, this);

  1974.     if (err != noErr) {

  1975.         jack_error("Error calling AudioDeviceAddPropertyListener with kAudioDevicePropertyDeviceHasChanged");

  1976.         printError(err);

  1977.         return -1;

  1978.     }

  1979. 

  1980.     err = AudioDeviceAddPropertyListener(fDeviceID, 0, true, kAudioDevicePropertyStreamConfiguration, DeviceNotificationCallback, this);

  1981.     if (err != noErr) {

  1982.         jack_error("Error calling AudioDeviceAddPropertyListener with kAudioDevicePropertyStreamConfiguration");

  1983.         printError(err);

  1984.         return -1;

  1985.     }

  1986. 

  1987.     err = AudioDeviceAddPropertyListener(fDeviceID, 0, false, kAudioDevicePropertyStreamConfiguration, DeviceNotificationCallback, this);

  1988.     if (err != noErr) {

  1989.         jack_error("Error calling AudioDeviceAddPropertyListener with kAudioDevicePropertyStreamConfiguration");

  1990.         printError(err);

  1991.         return -1;

  1992.     }

  1993. 

  1994.     if (!fEngineControl->fSyncMode && fIOUsage != 1.f) {

  1995.         UInt32 outSize = sizeof(float);

  1996.         err = AudioDeviceSetProperty(fDeviceID, NULL, 0, false, kAudioDevicePropertyIOCycleUsage, outSize, &fIOUsage);

  1997.         if (err != noErr) {

  1998.             jack_error("Error calling AudioDeviceSetProperty kAudioDevicePropertyIOCycleUsage");

  1999.             printError(err);

  2000.         }

  2001.     }

  2002. 

  2003.     return 0;

  2004. }

  2005. 

  2006. void JackCoreAudioDriver::RemoveListeners()

  2007. {

  2008.     AudioDeviceRemovePropertyListener(fDeviceID, 0, true, kAudioDeviceProcessorOverload, DeviceNotificationCallback);

  2009.     AudioHardwareRemovePropertyListener(kAudioHardwarePropertyDevices, AudioHardwareNotificationCallback);

  2010.     AudioDeviceRemovePropertyListener(fDeviceID, 0, true, kAudioDevicePropertyNominalSampleRate, DeviceNotificationCallback);

  2011.     AudioDeviceRemovePropertyListener(fDeviceID, 0, true, kAudioDevicePropertyDeviceIsRunning, DeviceNotificationCallback);

  2012.     AudioDeviceRemovePropertyListener(fDeviceID, 0, true, kAudioDevicePropertyDeviceIsAlive, DeviceNotificationCallback);

  2013.     AudioDeviceRemovePropertyListener(fDeviceID, 0, true, kAudioDevicePropertyDeviceHasChanged, DeviceNotificationCallback);

  2014.     AudioDeviceRemovePropertyListener(fDeviceID, 0, true, kAudioDevicePropertyStreamConfiguration, DeviceNotificationCallback);

  2015.     AudioDeviceRemovePropertyListener(fDeviceID, 0, false, kAudioDevicePropertyStreamConfiguration, DeviceNotificationCallback);

  2016. }

  2017. 

  2018. int JackCoreAudioDriver::Open(jack_nframes_t buffer_size,

  2019.                               jack_nframes_t sample_rate,

  2020.                               bool capturing,

  2021.                               bool playing,

  2022.                               int inchannels,

  2023.                               int outchannels,

  2024.                               const char* chan_in_list,

  2025.                               const char* chan_out_list,

  2026.                               bool monitor,

  2027.                               const char* capture_driver_uid,

  2028.                               const char* playback_driver_uid,

  2029.                               jack_nframes_t capture_latency,

  2030.                               jack_nframes_t playback_latency,

  2031.                               int async_output_latency,

  2032.                               int computation_grain,

  2033.                               bool hogged,

  2034.                               bool clock_drift,

  2035.                               bool ac3_encoding,

  2036.                               int ac3_bitrate,

  2037.                               bool ac3_lfe)

  2038. {

  2039.     int in_maxChannels = 0;

  2040.     int out_maxChannels = 0;

  2041.     char capture_driver_name[256];

  2042.     char playback_driver_name[256];

  2043. 

  2044.     fCaptureLatency = capture_latency;

  2045.     fPlaybackLatency = playback_latency;

  2046.     fIOUsage = float(async_output_latency) / 100.f;

  2047.     fComputationGrain = float(computation_grain) / 100.f;

  2048.     fHogged = hogged;

  2049.     fClockDriftCompensate = clock_drift;

  2050. 

  2051.     SInt32 major;

  2052.     SInt32 minor;

  2053.     Gestalt(gestaltSystemVersionMajor, &major);

  2054.     Gestalt(gestaltSystemVersionMinor, &minor);

  2055. 

  2056.     vector<int> parsed_chan_in_list;

  2057.     vector<int> parsed_chan_out_list;

  2058.    

  2059.     // Starting with 10.6 systems, the HAL notification thread is created internally

  2060.     if (major == 10 && minor >= 6) {

  2061.         CFRunLoopRef theRunLoop = NULL;

  2062.         AudioObjectPropertyAddress theAddress = { kAudioHardwarePropertyRunLoop, kAudioObjectPropertyScopeGlobal, kAudioObjectPropertyElementMaster };

  2063.         OSStatus osErr = AudioObjectSetPropertyData (kAudioObjectSystemObject, &theAddress, 0, NULL, sizeof(CFRunLoopRef), &theRunLoop);

  2064.         if (osErr != noErr) {

  2065.             jack_error("Open kAudioHardwarePropertyRunLoop error");

  2066.             printError(osErr);

  2067.         }

  2068.     }

  2069.   

  2070.     if (SetupDevices(capture_driver_uid, playback_driver_uid, capture_driver_name, playback_driver_name, sample_rate, ac3_encoding) < 0) {

  2071.         goto error;

  2072.     }

  2073. 

  2074.     // Generic JackAudioDriver Open

  2075.     if (JackAudioDriver::Open(buffer_size, sample_rate,

  2076.                             capturing, playing,

  2077.                             inchannels, outchannels,

  2078.                             monitor,

  2079.                             capture_driver_name,

  2080.                             playback_driver_name,

  2081.                             capture_latency,

  2082.                             playback_latency) != 0) {

  2083.         goto error;

  2084.     }

  2085. 

  2086.     if (SetupChannels(capturing, playing, inchannels, outchannels, in_maxChannels, out_maxChannels, !ac3_encoding) < 0) {

  2087.         goto error;

  2088.     }

  2089.     

  2090.     ParseChannelList(chan_in_list, parsed_chan_in_list, in_maxChannels);

  2091.     if (parsed_chan_in_list.size() > 0) {

  2092.         jack_info("Explicit input channel list size = %d", parsed_chan_in_list.size());

  2093.         inchannels = parsed_chan_in_list.size();

  2094.     }

  2095. 

  2096.     ParseChannelList(chan_out_list, parsed_chan_out_list, out_maxChannels);

  2097.     if (parsed_chan_out_list.size() > 0) {

  2098.         jack_info("Explicit output channel list size = %d", parsed_chan_out_list.size());

  2099.         outchannels = parsed_chan_out_list.size();

  2100.     }  

  2101. 

  2102.     if (SetupBufferSize(buffer_size) < 0) {

  2103.         goto error;

  2104.     }

  2105. 

  2106.     if (SetupSampleRate(sample_rate) < 0) {

  2107.         goto error;

  2108.     }

  2109.     

  2110.     if (ac3_encoding) {

  2111.           

  2112.         if (!fDigitalPlayback) {

  2113.             jack_error("AC3 encoding can only be used with a digital device");

  2114.             goto error;

  2115.         }

  2116.         

  2117.         JackAC3EncoderParams params;

  2118.         memset(&params, 0, sizeof(JackAC3EncoderParams));

  2119.         params.bitrate = ac3_bitrate;

  2120.         params.channels = outchannels;

  2121.         params.sample_rate = sample_rate;

  2122.         params.lfe = ac3_lfe;

  2123.         fAC3Encoder = new JackAC3Encoder(params);

  2124.         

  2125.         if (!fAC3Encoder || !fAC3Encoder->Init(sample_rate)) {

  2126.             jack_error("Cannot allocate or init AC3 encoder");

  2127.             goto error;

  2128.         }

  2129.         

  2130.         // Setup AC3 channel number

  2131.         fPlaybackChannels = outchannels;

  2132.         if (ac3_lfe) {

  2133.             fPlaybackChannels++;

  2134.         }

  2135.         

  2136.         if (fPlaybackChannels < 2 || fPlaybackChannels > 6) {

  2137.             jack_error("AC3 encoder channels must be between 2 and 6");

  2138.             goto error;

  2139.         }

  2140.         

  2141.         // Force real output channel number to 2

  2142.         outchannels = out_maxChannels = 2;

  2143.         

  2144.     } else {

  2145.         fPlaybackChannels = outchannels;

  2146.     }

  2147.     

  2148.     // Core driver may have changed the in/out values

  2149.     fCaptureChannels = inchannels;

  2150. 

  2151.     if (OpenAUHAL(capturing, playing, inchannels, outchannels, in_maxChannels, out_maxChannels, parsed_chan_in_list, parsed_chan_out_list, buffer_size, sample_rate) < 0) {

  2152.         goto error;

  2153.     }

  2154. 

  2155.     if (capturing && inchannels > 0) {

  2156.         if (SetupBuffers(inchannels) < 0) {

  2157.             goto error;

  2158.         }

  2159.     }

  2160. 

  2161.     if (AddListeners() < 0) {

  2162.         goto error;

  2163.     }

  2164.   

  2165.     return noErr;

  2166. 

  2167. error:

  2168.     Close();

  2169.     return -1;

  2170. }

  2171. 

  2172. int JackCoreAudioDriver::Close()

  2173. {

  2174.     jack_log("JackCoreAudioDriver::Close");

  2175. 

  2176.     // Generic audio driver close

  2177.     int res = JackAudioDriver::Close();

  2178. 

  2179.     RemoveListeners();

  2180.     DisposeBuffers();

  2181.     CloseAUHAL();

  2182.     DestroyAggregateDevice();

  2183.     return res;

  2184. }

  2185. 

  2186. void JackCoreAudioDriver::UpdateLatencies()

  2187. {

  2188.     UInt32 size;

  2189.     OSStatus err;

  2190.     jack_latency_range_t input_range;

  2191.     jack_latency_range_t output_range;

  2192.     jack_latency_range_t monitor_range;

  2193. 

  2194.     // Get Input latency

  2195.     size = sizeof(UInt32);

  2196.     UInt32 value1 = 0;

  2197.     UInt32 value2 = 0;

  2198.     err = AudioDeviceGetProperty(fDeviceID, 0, true, kAudioDevicePropertyLatency, &size, &value1);

  2199.     if (err != noErr) {

  2200.         jack_error("AudioDeviceGetProperty kAudioDevicePropertyLatency error");

  2201.     }

  2202.     err = AudioDeviceGetProperty(fDeviceID, 0, true, kAudioDevicePropertySafetyOffset, &size, &value2);

  2203.     if (err != noErr) {

  2204.         jack_error("AudioDeviceGetProperty kAudioDevicePropertySafetyOffset error");

  2205.     }

  2206. 

  2207.     input_range.min = input_range.max = fEngineControl->fBufferSize + value1 + value2 + fCaptureLatency;

  2208. 

  2209.     // Get input stream latencies

  2210.     vector<int> input_latencies;

  2211.     err = GetStreamLatencies(fDeviceID, true, input_latencies);

  2212. 

  2213.     for (int i = 0; i < fCaptureChannels; i++) {

  2214.         if (err != noErr) {

  2215.             input_range.min += input_latencies[i];

  2216.             input_range.max += input_latencies[i];

  2217.         }

  2218.         fGraphManager->GetPort(fCapturePortList[i])->SetLatencyRange(JackCaptureLatency, &input_range);

  2219.     }

  2220. 

  2221.     // Get Output latency

  2222.     size = sizeof(UInt32);

  2223.     value1 = 0;

  2224.     value2 = 0;

  2225.     err = AudioDeviceGetProperty(fDeviceID, 0, false, kAudioDevicePropertyLatency, &size, &value1);

  2226.     if (err != noErr) {

  2227.         jack_error("AudioDeviceGetProperty kAudioDevicePropertyLatency error");

  2228.     }

  2229.     err = AudioDeviceGetProperty(fDeviceID, 0, false, kAudioDevicePropertySafetyOffset, &size, &value2);

  2230.     if (err != noErr) {

  2231.         jack_error("AudioDeviceGetProperty kAudioDevicePropertySafetyOffset error");

  2232.     }

  2233. 

  2234.     // Get output stream latencies

  2235.     vector<int> output_latencies;

  2236.     err = GetStreamLatencies(fDeviceID, false, output_latencies);

  2237. 

  2238.     // Add more latency if "async" mode is used...

  2239.     output_range.min = output_range.max = fEngineControl->fBufferSize + ((fEngineControl->fSyncMode)

  2240.         ? 0 : fEngineControl->fBufferSize * fIOUsage) + value1 + value2 + fPlaybackLatency;

  2241. 

  2242.     for (int i = 0; i < fPlaybackChannels; i++) {

  2243.         if (err != noErr) {

  2244.             output_range.min += output_latencies[i];

  2245.             output_range.max += output_latencies[i];

  2246.         }

  2247.         fGraphManager->GetPort(fPlaybackPortList[i])->SetLatencyRange(JackPlaybackLatency, &output_range);

  2248. 

  2249.         // Monitor port

  2250.         if (fWithMonitorPorts) {

  2251.             monitor_range.min = monitor_range.max = fEngineControl->fBufferSize;

  2252.             fGraphManager->GetPort(fMonitorPortList[i])->SetLatencyRange(JackCaptureLatency, &monitor_range);

  2253.         }

  2254.     }

  2255. }

  2256. 

  2257. int JackCoreAudioDriver::Attach()

  2258. {

  2259.     OSStatus err;

  2260.     JackPort* port;

  2261.     jack_port_id_t port_index;

  2262.     UInt32 size;

  2263.     Boolean isWritable;

  2264.     char channel_name[64];

  2265.     char name[REAL_JACK_PORT_NAME_SIZE];

  2266.     char alias[REAL_JACK_PORT_NAME_SIZE];

  2267. 

  2268.     jack_log("JackCoreAudioDriver::Attach : fBufferSize %ld fSampleRate %ld", fEngineControl->fBufferSize, fEngineControl->fSampleRate);

  2269. 

  2270.     for (int i = 0; i < fCaptureChannels; i++) {

  2271. 

  2272.         err = AudioDeviceGetPropertyInfo(fDeviceID, i + 1, true, kAudioDevicePropertyChannelName, &size, &isWritable);

  2273.         if (err != noErr) {

  2274.             jack_log("JackCoreAudioDriver::Attach : AudioDeviceGetPropertyInfo kAudioDevicePropertyChannelName error");

  2275.         }

  2276.         if (err == noErr && size > 0) {

  2277.             err = AudioDeviceGetProperty(fDeviceID, i + 1, true, kAudioDevicePropertyChannelName, &size, channel_name);

  2278.             if (err != noErr) {

  2279.                 jack_log("JackCoreAudioDriver::Attach : AudioDeviceGetProperty kAudioDevicePropertyChannelName error");

  2280.             }

  2281.             snprintf(alias, sizeof(alias), "%s:%s:out_%s%u", fAliasName, fCaptureDriverName, channel_name, i + 1);

  2282.         } else {

  2283.             snprintf(alias, sizeof(alias), "%s:%s:out%u", fAliasName, fCaptureDriverName, i + 1);

  2284.         }

  2285. 

  2286.         snprintf(name, sizeof(name), "%s:capture_%d", fClientControl.fName, i + 1);

  2287. 

  2288.         if (fEngine->PortRegister(fClientControl.fRefNum, name, JACK_DEFAULT_AUDIO_TYPE, CaptureDriverFlags, fEngineControl->fBufferSize, &port_index) < 0) {

  2289.             jack_error("Cannot register port for %s", name);

  2290.             return -1;

  2291.         }

  2292. 

  2293.         port = fGraphManager->GetPort(port_index);

  2294.         port->SetAlias(alias);

  2295.         fCapturePortList[i] = port_index;

  2296.     }

  2297. 

  2298.     for (int i = 0; i < fPlaybackChannels; i++) {

  2299. 

  2300.         err = AudioDeviceGetPropertyInfo(fDeviceID, i + 1, false, kAudioDevicePropertyChannelName, &size, &isWritable);

  2301.         if (err != noErr) {

  2302.             jack_log("JackCoreAudioDriver::Attach : AudioDeviceGetPropertyInfo kAudioDevicePropertyChannelName error");

  2303.         }

  2304.         if (err == noErr && size > 0) {

  2305.             err = AudioDeviceGetProperty(fDeviceID, i + 1, false, kAudioDevicePropertyChannelName, &size, channel_name);

  2306.             if (err != noErr) {

  2307.                 jack_log("JackCoreAudioDriver::Attach : AudioDeviceGetProperty kAudioDevicePropertyChannelName error");

  2308.             }

  2309.             snprintf(alias, sizeof(alias), "%s:%s:in_%s%u", fAliasName, fPlaybackDriverName, channel_name, i + 1);

  2310.         } else {

  2311.             snprintf(alias, sizeof(alias), "%s:%s:in%u", fAliasName, fPlaybackDriverName, i + 1);

  2312.         }

  2313. 

  2314.         snprintf(name, sizeof(name), "%s:playback_%d", fClientControl.fName, i + 1);

  2315. 

  2316.         if (fEngine->PortRegister(fClientControl.fRefNum, name, JACK_DEFAULT_AUDIO_TYPE, PlaybackDriverFlags, fEngineControl->fBufferSize, &port_index) < 0) {

  2317.             jack_error("Cannot register port for %s", name);

  2318.             return -1;

  2319.         }

  2320. 

  2321.         port = fGraphManager->GetPort(port_index);

  2322.         port->SetAlias(alias);

  2323.         fPlaybackPortList[i] = port_index;

  2324. 

  2325.         // Monitor ports

  2326.         if (fWithMonitorPorts) {

  2327.             jack_log("JackCoreAudioDriver::Attach : create monitor port");

  2328.             snprintf(name, sizeof(name), "%s:monitor_%u", fClientControl.fName, i + 1);

  2329.             if (fEngine->PortRegister(fClientControl.fRefNum, name, JACK_DEFAULT_AUDIO_TYPE, MonitorDriverFlags, fEngineControl->fBufferSize, &port_index) < 0) {

  2330.                 jack_error("Cannot register monitor port for %s", name);

  2331.                 return -1;

  2332.             } else {

  2333.                 fMonitorPortList[i] = port_index;

  2334.             }

  2335.         }

  2336.     }

  2337.     

  2338.     if (fAC3Encoder) {

  2339.         // Setup specific AC3 channels names

  2340.         for (int i = 0; i < fPlaybackChannels; i++) {

  2341.             fAC3Encoder->GetChannelName("coreaudio", "", alias, i);

  2342.             port = fGraphManager->GetPort(fPlaybackPortList[i]);

  2343.             port->SetAlias(alias);

  2344.         }

  2345.     }

  2346. 

  2347.     UpdateLatencies();

  2348. 

  2349.     // Input buffers do no change : prepare them only once

  2350.     for (int i = 0; i < fCaptureChannels; i++) {

  2351.         fJackInputData->mBuffers[i].mData = GetInputBuffer(i);

  2352.     }

  2353. 

  2354.     return 0;

  2355. }

  2356. 

  2357. int JackCoreAudioDriver::Start()

  2358. {

  2359.     jack_log("JackCoreAudioDriver::Start");

  2360.     if (JackAudioDriver::Start() == 0) {

  2361. 

  2362.         // Waiting for Render callback to be called (= driver has started)

  2363.         fState = false;

  2364.         int count = 0;

  2365. 

  2366.         if (AudioOutputUnitStart(fAUHAL) == noErr) {

  2367. 

  2368.             while (!fState && count++ < WAIT_COUNTER) {

  2369.                 usleep(100000);

  2370.                 jack_log("JackCoreAudioDriver::Start : wait count = %d", count);

  2371.             }

  2372. 

  2373.             if (count < WAIT_COUNTER) {

  2374.                 jack_info("CoreAudio driver is running...");

  2375.                 return 0;

  2376.             }

  2377. 

  2378.             jack_error("CoreAudio driver cannot start...");

  2379.         }

  2380.         JackAudioDriver::Stop();

  2381.     }

  2382.     return -1;

  2383. }

  2384. 

  2385. int JackCoreAudioDriver::Stop()

  2386. {

  2387.     jack_log("JackCoreAudioDriver::Stop");

  2388.     int res = (AudioOutputUnitStop(fAUHAL) == noErr) ? 0 : -1;

  2389.     if (JackAudioDriver::Stop() < 0) {

  2390.         res = -1;

  2391.     }

  2392.     return res;

  2393. }

  2394. 

  2395. int JackCoreAudioDriver::SetBufferSize(jack_nframes_t buffer_size)

  2396. {

  2397.     if (SetupBufferSize(buffer_size) < 0) {

  2398.         return -1;

  2399.     }

  2400. 

  2401.     JackAudioDriver::SetBufferSize(buffer_size); // Generic change, never fails

  2402. 

  2403.     // CoreAudio specific

  2404.     UpdateLatencies();

  2405. 

  2406.     // Input buffers do no change : prepare them only once

  2407.     for (int i = 0; i < fCaptureChannels; i++) {

  2408.         fJackInputData->mBuffers[i].mNumberChannels = 1;

  2409.         fJackInputData->mBuffers[i].mDataByteSize = fEngineControl->fBufferSize * sizeof(jack_default_audio_sample_t);

  2410.         fJackInputData->mBuffers[i].mData = GetInputBuffer(i);

  2411.     }

  2412. 

  2413.     return 0;

  2414. }

  2415. 

  2416. bool JackCoreAudioDriver::TakeHogAux(AudioDeviceID deviceID, bool isInput)

  2417. {

  2418.     pid_t hog_pid;

  2419.     UInt32 propSize = sizeof(hog_pid);

  2420.     

  2421.     OSStatus err = AudioDeviceGetProperty(deviceID, 0, isInput, kAudioDevicePropertyHogMode, &propSize, &hog_pid);

  2422.     if (err) {

  2423.         jack_error("Cannot read hog state...");

  2424.         printError(err);

  2425.     }

  2426.     

  2427.     jack_log("JackCoreAudioDriver::TakeHogAux : deviceID = %d", deviceID);

  2428. 

  2429.     if (hog_pid != getpid()) {

  2430.         hog_pid = getpid();

  2431.         err = AudioDeviceSetProperty(deviceID, 0, 0, isInput, kAudioDevicePropertyHogMode, propSize, &hog_pid);

  2432.         if (err != noErr) {

  2433.             jack_error("Can't hog device = %d because it's being hogged by another program or cannot be hogged", deviceID);

  2434.             return false;

  2435.         }

  2436.     }

  2437. 

  2438.     return true;

  2439. }

  2440. 

  2441. bool JackCoreAudioDriver::TakeHog()

  2442. {

  2443.     OSStatus err = noErr;

  2444.     AudioObjectID sub_device[32];

  2445.     UInt32 outSize = sizeof(sub_device);

  2446.     err = AudioDeviceGetProperty(fDeviceID, 0, kAudioDeviceSectionGlobal, kAudioAggregateDevicePropertyActiveSubDeviceList, &outSize, sub_device);

  2447. 

  2448.     if (err != noErr) {

  2449.         jack_log("JackCoreAudioDriver::TakeHog : device does not have subdevices");

  2450.         return TakeHogAux(fDeviceID, true);

  2451.     } else {

  2452.         int num_devices = outSize / sizeof(AudioObjectID);

  2453.         jack_log("JackCoreAudioDriver::TakeHog : device does has %d subdevices", num_devices);

  2454.         for (int i = 0; i < num_devices; i++) {

  2455.             if (!TakeHogAux(sub_device[i], true)) {

  2456.                 return false;

  2457.             }

  2458.         }

  2459.         return true;

  2460.     }

  2461. }

  2462. 

  2463. bool JackCoreAudioDriver::IsAggregateDevice(AudioDeviceID device)

  2464. {

  2465.     UInt32 deviceType, outSize = sizeof(UInt32);

  2466.     OSStatus err = AudioDeviceGetProperty(device, 0, kAudioDeviceSectionGlobal, kAudioDevicePropertyTransportType, &outSize, &deviceType);

  2467. 

  2468.     if (err != noErr) {

  2469.         jack_log("JackCoreAudioDriver::IsAggregateDevice kAudioDevicePropertyTransportType error");

  2470.         return false;

  2471.     } else {

  2472.         return (deviceType == kAudioDeviceTransportTypeAggregate);

  2473.     }

  2474. }

  2475. 

  2476. 

  2477. } // end of namespace

  2478. 

  2479. 

  2480. #ifdef __cplusplus

  2481. extern "C"

  2482. {

  2483. #endif

  2484. 

  2485.     SERVER_EXPORT jack_driver_desc_t* driver_get_descriptor()

  2486.     {

  2487.         jack_driver_desc_t * desc;

  2488.         jack_driver_desc_filler_t filler;

  2489.         jack_driver_param_value_t value;

  2490. 

  2491.         desc = jack_driver_descriptor_construct("coreaudio", JackDriverMaster, "Apple CoreAudio API based audio backend", &filler);

  2492. 

  2493.         value.i = -1;

  2494.         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");

  2495.         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");

  2496.         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");

  2497. 

  2498.         value.str[0] = 0;

  2499.         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\")");

  2500.         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\")");

  2501. 

  2502.         value.str[0] = 0;

  2503.         jack_driver_descriptor_add_parameter(desc, &filler, "capture", 'C', JackDriverParamString, &value, NULL, "Input CoreAudio device name", NULL);

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

  2505. 

  2506.         value.i  = 0;

  2507.         jack_driver_descriptor_add_parameter(desc, &filler, "monitor", 'm', JackDriverParamBool, &value, NULL, "Provide monitor ports for the output", NULL);

  2508.         

  2509. #ifndef __ppc__

  2510.         value.i  = 0;

  2511.         jack_driver_descriptor_add_parameter(desc, &filler, "AC3-encoding", 'a', JackDriverParamBool, &value, NULL, "AC3 multi-channels encoding", NULL);

  2512.         

  2513.         value.i  = 448;

  2514.         jack_driver_descriptor_add_parameter(desc, &filler, "AC3-bitrate", 'b', JackDriverParamUInt, &value, NULL, "AC3 bitrate", NULL);

  2515.        

  2516.         value.i  = 0;

  2517.         jack_driver_descriptor_add_parameter(desc, &filler, "AC3-LFE", 'f', JackDriverParamBool, &value, NULL, "AC3 LFE channel", NULL);

  2518. #endif

  2519.         value.i  = true;

  2520.         jack_driver_descriptor_add_parameter(desc, &filler, "duplex", 'D', JackDriverParamBool, &value, NULL, "Provide both capture and playback ports", NULL);

  2521. 

  2522.         value.ui  = 44100U;

  2523.         jack_driver_descriptor_add_parameter(desc, &filler, "rate", 'r', JackDriverParamUInt, &value, NULL, "Sample rate", NULL);

  2524. 

  2525.         value.ui  = 256U;

  2526.         jack_driver_descriptor_add_parameter(desc, &filler, "period", 'p', JackDriverParamUInt, &value, NULL, "Frames per period", NULL);

  2527. 

  2528.         value.str[0] = 0;

  2529.         jack_driver_descriptor_add_parameter(desc, &filler, "device", 'd', JackDriverParamString, &value, NULL, "CoreAudio device name", NULL);

  2530. 

  2531.         value.ui  = 0;

  2532.         jack_driver_descriptor_add_parameter(desc, &filler, "input-latency", 'I', JackDriverParamUInt, &value, NULL, "Extra input latency (frames)", NULL);

  2533.         jack_driver_descriptor_add_parameter(desc, &filler, "output-latency", 'O', JackDriverParamUInt, &value, NULL, "Extra output latency (frames)", NULL);

  2534. 

  2535.         value.i  = false;

  2536.         jack_driver_descriptor_add_parameter(desc, &filler, "list-devices", 'l', JackDriverParamBool, &value, NULL, "Display available CoreAudio devices", NULL);

  2537. 

  2538.         value.i  = false;

  2539.         jack_driver_descriptor_add_parameter(desc, &filler, "hog", 'H', JackDriverParamBool, &value, NULL, "Take exclusive access of the audio device", NULL);

  2540. 

  2541.         value.ui  = 100;

  2542.         jack_driver_descriptor_add_parameter(desc, &filler, "async-latency", 'L', JackDriverParamUInt, &value, NULL, "Extra output latency in asynchronous mode (percent)", NULL);

  2543. 

  2544.         value.ui  = 100;

  2545.         jack_driver_descriptor_add_parameter(desc, &filler, "grain", 'G', JackDriverParamUInt, &value, NULL, "Computation grain in RT thread (percent)", NULL);

  2546. 

  2547.         value.i = false;

  2548.         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");

  2549. 

  2550.         return desc;

  2551.     }

  2552. 

  2553.     SERVER_EXPORT Jack::JackDriverClientInterface* driver_initialize(Jack::JackLockedEngine* engine, Jack::JackSynchro* table, const JSList* params)

  2554.     {

  2555.         jack_nframes_t srate = 44100;

  2556.         jack_nframes_t frames_per_interrupt = 256;

  2557.         bool capture = false;

  2558.         bool playback = false;

  2559.         int chan_in = -1;   // Default: if not explicitely set, then max possible will be used...

  2560.         int chan_out = -1;  // Default: if not explicitely set, then max possible will be used...

  2561.         const char* chan_in_list = "";

  2562.         const char* chan_out_list = "";

  2563.         bool monitor = false;

  2564.         const char* capture_driver_uid = "";

  2565.         const char* playback_driver_uid = "";

  2566.         const JSList *node;

  2567.         const jack_driver_param_t *param;

  2568.         jack_nframes_t systemic_input_latency = 0;

  2569.         jack_nframes_t systemic_output_latency = 0;

  2570.         int async_output_latency = 100;

  2571.         int computation_grain = -1;

  2572.         bool hogged = false;

  2573.         bool clock_drift = false;

  2574.         bool ac3_encoding = false;

  2575.         int ac3_bitrate = 448;

  2576.         bool ac3_lfe = false;

  2577. 

  2578.         for (node = params; node; node = jack_slist_next(node)) {

  2579.             param = (const jack_driver_param_t *) node->data;

  2580. 

  2581.             switch (param->character) {

  2582. 

  2583.                 case 'd':

  2584.                     capture_driver_uid = param->value.str;

  2585.                     playback_driver_uid = param->value.str;

  2586.                     break;

  2587. 

  2588.                 case 'D':

  2589.                     capture = true;

  2590.                     playback = true;

  2591.                     break;

  2592. 

  2593.                 case 'c':

  2594.                     chan_in = chan_out = param->value.i;

  2595.                     break;

  2596. 

  2597.                 case 'i':

  2598.                     chan_in = param->value.i;

  2599.                     break;

  2600. 

  2601.                 case 'o':

  2602.                     chan_out = param->value.i;

  2603.                     break;

  2604. 

  2605.                 case 'n':

  2606.                     chan_in_list = param->value.str;

  2607.                     break;

  2608. 

  2609.                 case 'N':

  2610.                     chan_out_list = param->value.str;

  2611.                     break;

  2612. 

  2613.                 case 'C':

  2614.                     capture = true;

  2615.                     if (strcmp(param->value.str, "none") != 0) {

  2616.                         capture_driver_uid = param->value.str;

  2617.                     }

  2618.                     break;

  2619. 

  2620.                 case 'P':

  2621.                     playback = true;

  2622.                     if (strcmp(param->value.str, "none") != 0) {

  2623.                         playback_driver_uid = param->value.str;

  2624.                     }

  2625.                     break;

  2626. 

  2627.                 case 'm':

  2628.                     monitor = param->value.i;

  2629.                     break;

  2630.                     

  2631.             #ifndef __ppc__            

  2632.                 case 'a':

  2633.                     ac3_encoding = param->value.i;

  2634.                     break;

  2635.                      

  2636.                 case 'b':

  2637.                     ac3_bitrate = param->value.i;

  2638.                     break;

  2639.                     

  2640.                 case 'f':

  2641.                     ac3_lfe = param->value.i;

  2642.                     break;

  2643.             #endif

  2644. 

  2645.                 case 'r':

  2646.                     srate = param->value.ui;

  2647.                     break;

  2648. 

  2649.                 case 'p':

  2650.                     frames_per_interrupt = (unsigned int)param->value.ui;

  2651.                     break;

  2652. 

  2653.                 case 'I':

  2654.                     systemic_input_latency = param->value.ui;

  2655.                     break;

  2656. 

  2657.                 case 'O':

  2658.                     systemic_output_latency = param->value.ui;

  2659.                     break;

  2660. 

  2661.                 case 'l':

  2662.                     Jack::DisplayDeviceNames();

  2663.                     // Stops the server in this case

  2664.                     return NULL;

  2665. 

  2666.                 case 'H':

  2667.                     hogged = true;

  2668.                     break;

  2669. 

  2670.                 case 'L':

  2671.                     async_output_latency = param->value.ui;

  2672.                     break;

  2673. 

  2674.                 case 'G':

  2675.                     computation_grain = param->value.ui;

  2676.                     break;

  2677. 

  2678.                 case 's':

  2679.                     clock_drift = true;

  2680.                     break;

  2681.             }

  2682.         }

  2683. 

  2684.         /* duplex is the default */

  2685.         if (!capture && !playback) {

  2686.             capture = true;

  2687.             playback = true;

  2688.         }

  2689. 

  2690.         if (strcmp(chan_in_list, "") != 0 && chan_in >= 0) {

  2691.             printf("Input channel list and in channels are both specified, input channel list will take over...\n");

  2692.         }

  2693. 

  2694.         if (strcmp(chan_out_list, "") != 0 && chan_out >= 0) {

  2695.             printf("Output channel list and out channels are both specified, output channel list will take over...\n");

  2696.         }

  2697. 

  2698.         Jack::JackCoreAudioDriver* driver = new Jack::JackCoreAudioDriver("system", "coreaudio", engine, table);

  2699.         if (driver->Open(frames_per_interrupt,

  2700.                         srate, capture,

  2701.                         playback, chan_in,

  2702.                         chan_out, chan_in_list,

  2703.                         chan_out_list, monitor,

  2704.                         capture_driver_uid,

  2705.                         playback_driver_uid,

  2706.                         systemic_input_latency,

  2707.                         systemic_output_latency,

  2708.                         async_output_latency,

  2709.                         computation_grain,

  2710.                         hogged, clock_drift, 

  2711.                         ac3_encoding, ac3_bitrate, ac3_lfe) == 0) {

  2712.             return driver;

  2713.         } else {

  2714.             delete driver;

  2715.             return NULL;

  2716.         }

  2717.     }

  2718. 

  2719. #ifdef __cplusplus

  2720. }

  2721. #endif

  2722.