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jack2/macosx/coreaudio/JackCoreAudioAdapter.cpp

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  1. /*

  2. Copyright (C) 2008 Grame

  3. 

  4. This program is free software; you can redistribute it and/or modify

  5. it under the terms of the GNU General Public License as published by

  6. the Free Software Foundation; either version 2 of the License, or

  7. (at your option) any later version.

  8. 

  9. This program is distributed in the hope that it will be useful,

  10. but WITHOUT ANY WARRANTY; without even the implied warranty of

  11. MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

  12. GNU General Public License for more details.

  13. 

  14. You should have received a copy of the GNU General Public License

  15. along with this program; if not, write to the Free Software

  16. Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.

  17. 

  18. */

  19. 

  20. #include "JackCoreAudioAdapter.h"

  21. #include "JackError.h"

  22. #include <unistd.h>

  23. 

  24. #include <CoreServices/CoreServices.h>

  25. 

  26. namespace Jack

  27. {

  28. 

  29. static OSStatus DisplayDeviceNames()

  30. {

  31.     UInt32 size;

  32.     Boolean isWritable;

  33.     int i, deviceNum;

  34.     OSStatus err;

  35.     CFStringRef UIname;

  36. 

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

  38.     if (err != noErr)

  39.         return err;

  40. 

  41.     deviceNum = size / sizeof(AudioDeviceID);

  42.     AudioDeviceID devices[deviceNum];

  43. 

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

  45.     if (err != noErr)

  46.         return err;

  47. 

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

  49.         char device_name[256];

  50.         char internal_name[256];

  51. 

  52.         size = sizeof(CFStringRef);

  53.         UIname = NULL;

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

  55.         if (err == noErr) {

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

  57.         } else {

  58.             goto error;

  59.         }

  60. 

  61.         size = 256;

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

  63.         if (err != noErr)

  64.             return err;

  65. 

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

  67.     }

  68. 

  69.     return noErr;

  70. 

  71. error:

  72.     if (UIname != NULL)

  73.         CFRelease(UIname);

  74.     return err;

  75. }

  76. 

  77. static void printError(OSStatus err)

  78. {

  79.     switch (err) {

  80.         case kAudioHardwareNoError:

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

  82.             break;

  83.         case kAudioConverterErr_FormatNotSupported:

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

  85.             break;

  86.         case kAudioConverterErr_OperationNotSupported:

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

  88.             break;

  89.         case kAudioConverterErr_PropertyNotSupported:

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

  91.             break;

  92.         case kAudioConverterErr_InvalidInputSize:

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

  94.             break;

  95.         case kAudioConverterErr_InvalidOutputSize:

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

  97.             break;

  98.         case kAudioConverterErr_UnspecifiedError:

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

  100.             break;

  101.         case kAudioConverterErr_BadPropertySizeError:

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

  103.             break;

  104.         case kAudioConverterErr_RequiresPacketDescriptionsError:

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

  106.             break;

  107.         case kAudioConverterErr_InputSampleRateOutOfRange:

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

  109.             break;

  110.         case kAudioConverterErr_OutputSampleRateOutOfRange:

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

  112.             break;

  113.         case kAudioHardwareNotRunningError:

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

  115.             break;

  116.         case kAudioHardwareUnknownPropertyError:

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

  118.             break;

  119.         case kAudioHardwareIllegalOperationError:

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

  121.             break;

  122.         case kAudioHardwareBadDeviceError:

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

  124.             break;

  125.         case kAudioHardwareBadStreamError:

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

  127.             break;

  128.         case kAudioDeviceUnsupportedFormatError:

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

  130.             break;

  131.         case kAudioDevicePermissionsError:

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

  133.             break;

  134.         case kAudioHardwareBadObjectError:

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

  136.             break;

  137.         case kAudioHardwareUnsupportedOperationError:

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

  139.             break;

  140.         default:

  141.             jack_log("error code : unknown");

  142.             break;

  143.     }

  144. }

  145. 

  146. OSStatus JackCoreAudioAdapter::SRNotificationCallback(AudioDeviceID inDevice,

  147.                                                         UInt32 inChannel,

  148.                                                         Boolean	isInput,

  149.                                                         AudioDevicePropertyID inPropertyID,

  150.                                                         void* inClientData)

  151. {

  152.     JackCoreAudioAdapter* driver = static_cast<JackCoreAudioAdapter*>(inClientData);

  153. 

  154.     switch (inPropertyID) {

  155. 

  156.         case kAudioDevicePropertyNominalSampleRate: {

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

  158.             driver->fState = true;

  159.             break;

  160.         }

  161.     }

  162. 

  163.     return noErr;

  164. }

  165. 

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

  167. OSStatus JackCoreAudioAdapter::DeviceNotificationCallback(AudioDeviceID inDevice,

  168.         UInt32 inChannel,

  169.         Boolean	isInput,

  170.         AudioDevicePropertyID inPropertyID,

  171.         void* inClientData)

  172. {

  173.         

  174.     switch (inPropertyID) {

  175.         

  176.         case kAudioDeviceProcessorOverload: {

  177.             jack_error("JackCoreAudioAdapter::DeviceNotificationCallback kAudioDeviceProcessorOverload");

  178.             break;

  179. 		}

  180. 

  181.         case kAudioDevicePropertyStreamConfiguration: {

  182.             jack_error("Cannot handle kAudioDevicePropertyStreamConfiguration");

  183.             return kAudioHardwareUnsupportedOperationError;

  184.         }

  185.             

  186.         case kAudioDevicePropertyNominalSampleRate: {

  187.             jack_error("Cannot handle kAudioDevicePropertyNominalSampleRate");

  188.             return kAudioHardwareUnsupportedOperationError;

  189.         }

  190.             

  191.     }

  192.     return noErr;

  193. }

  194. 

  195. int JackCoreAudioAdapter::AddListeners()

  196. {

  197.     OSStatus err = noErr;

  198. 

  199.     // Add listeners

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

  201.     if (err != noErr) {

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

  203.         printError(err);

  204.         return -1;

  205.     }

  206.     

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

  208.     if (err != noErr) {

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

  210.         printError(err);

  211.         return -1;

  212.     }

  213. 

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

  215.     if (err != noErr) {

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

  217.         printError(err);

  218.         return -1;

  219.     }

  220. 

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

  222.     if (err != noErr) {

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

  224.         printError(err);

  225.         return -1;

  226.     }

  227. 

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

  229.     if (err != noErr) {

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

  231.         printError(err);

  232.         return -1;

  233.     }

  234. 

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

  236.     if (err != noErr) {

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

  238.         printError(err);

  239.         return -1;

  240.     }

  241. 

  242.     return 0;

  243. }

  244. 

  245. void JackCoreAudioAdapter::RemoveListeners()

  246. {

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

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

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

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

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

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

  253. }

  254. 

  255. OSStatus JackCoreAudioAdapter::Render(void *inRefCon,

  256.                                         AudioUnitRenderActionFlags *ioActionFlags,

  257.                                         const AudioTimeStamp *inTimeStamp,

  258.                                         UInt32 inBusNumber,

  259.                                         UInt32 inNumberFrames,

  260.                                         AudioBufferList *ioData)

  261. {

  262.     JackCoreAudioAdapter* adapter = static_cast<JackCoreAudioAdapter*>(inRefCon);

  263.     AudioUnitRender(adapter->fAUHAL, ioActionFlags, inTimeStamp, 1, inNumberFrames, adapter->fInputData);

  264.     

  265.     float* inputBuffer[adapter->fCaptureChannels];

  266.     float* outputBuffer[adapter->fPlaybackChannels];

  267.  

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

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

  270.     }

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

  272.         outputBuffer[i] = (float*)ioData->mBuffers[i].mData;

  273.     }

  274.     

  275.     adapter->PushAndPull((float**)inputBuffer, (float**)outputBuffer, inNumberFrames);

  276.     return noErr;

  277. }

  278. 

  279. JackCoreAudioAdapter::JackCoreAudioAdapter(jack_nframes_t buffer_size, jack_nframes_t sample_rate, const JSList* params)

  280.                 :JackAudioAdapterInterface(buffer_size, sample_rate), fInputData(0), fCapturing(false), fPlaying(false), fState(false)

  281. {

  282. 

  283.     const JSList* node;

  284.     const jack_driver_param_t* param;

  285.    

  286.     char captureName[256];

  287.     char playbackName[256];

  288.         

  289.     fCaptureUID[0] = 0;

  290.     fPlaybackUID[0] = 0;

  291.     

  292.     // Default values

  293.     fCaptureChannels = 0;

  294.     fPlaybackChannels = 0;

  295.   

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

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

  298. 

  299.         switch (param->character) {

  300. 

  301.             case 'c' :

  302.                 fCaptureChannels = fPlaybackChannels = param->value.ui;

  303.                 break;

  304. 

  305.             case 'i':

  306.                 fCaptureChannels = param->value.ui;

  307.                 break;

  308. 

  309.             case 'o':

  310.                 fPlaybackChannels = param->value.ui;

  311.                 break;

  312. 

  313.             case 'C':

  314.                 fCapturing = true;

  315.                 strncpy(fCaptureUID, param->value.str, 256);

  316.                 break;

  317. 

  318.             case 'P':

  319.                 fPlaying = true;

  320.                 strncpy(fPlaybackUID, param->value.str, 256);

  321.                 break;

  322.                 

  323.             case 'd':

  324.                 strncpy(fCaptureUID, param->value.str, 256);

  325.                 strncpy(fPlaybackUID, param->value.str, 256);

  326.                 break;

  327. 

  328.             case 'D':

  329.                 fCapturing = fPlaying = true;

  330.                 break;

  331. 

  332.             case 'r':

  333.                 SetAdaptedSampleRate(param->value.ui);

  334.                 break;

  335. 

  336.             case 'p':

  337.                 SetAdaptedBufferSize(param->value.ui);

  338.                 break;

  339.                 

  340.             case 'l':

  341.                 DisplayDeviceNames();

  342.                 break;

  343.                 

  344.             case 'q':

  345.                 fQuality = param->value.ui;

  346.                 break;

  347.                 

  348.             case 'g':

  349.                 fRingbufferCurSize = param->value.ui;

  350.                 fAdaptative = false;

  351.                 break;

  352.         }

  353.     }

  354.     

  355.     /* duplex is the default */

  356.     if (!fCapturing && !fPlaying) {

  357.         fCapturing = true;

  358.         fPlaying = true;

  359.     }

  360.      

  361.     int in_nChannels = 0;

  362.     int out_nChannels = 0;

  363.     

  364.     if (SetupDevices(fCaptureUID, fPlaybackUID, captureName, playbackName) < 0)

  365.         throw -1;

  366.   

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

  368.         throw -1;

  369.  

  370.     if (SetupBufferSizeAndSampleRate(fAdaptedBufferSize, fAdaptedSampleRate) < 0)

  371.         throw -1;

  372. 

  373.     if (fCapturing && fCaptureChannels > 0)

  374.         if (SetupBuffers(fCaptureChannels) < 0)

  375.             throw -1;

  376.             

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

  378.         throw -1;

  379.         

  380.     if (AddListeners() < 0)

  381.         throw -1;

  382. }

  383. 

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

  385. {

  386.     OSStatus res;

  387.     UInt32 theSize = sizeof(UInt32);

  388.     AudioDeviceID inDefault;

  389.     AudioDeviceID outDefault;

  390. 

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

  392.         return res;

  393. 

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

  395.         return res;

  396. 

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

  398. 

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

  400.     if (inDefault == outDefault) {

  401.         *id = inDefault;

  402.         return noErr;

  403.     } else {

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

  405.         return kAudioHardwareBadDeviceError;

  406.     }

  407. }

  408. 

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

  410. {

  411.     OSStatus err = noErr;

  412.     UInt32	outSize;

  413.     Boolean	outWritable;

  414.     AudioBufferList* bufferList = 0;

  415. 

  416.     channelCount = 0;

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

  418.     if (err == noErr) {

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

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

  421.         if (err == noErr) {

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

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

  424.         }

  425. 

  426.         if (bufferList)

  427.             free(bufferList);

  428.     }

  429. 

  430.     return err;

  431. }

  432. 

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

  434. {

  435.     UInt32 size = sizeof(AudioValueTranslation);

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

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

  438. 

  439.     if (inIUD == NULL) {

  440.         return kAudioHardwareUnspecifiedError;

  441.     } else {

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

  443.         CFRelease(inIUD);

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

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

  446.     }

  447. }

  448. 

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

  450. {

  451.     OSStatus res;

  452.     UInt32 theSize = sizeof(UInt32);

  453.     AudioDeviceID inDefault;

  454. 

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

  456.         return res;

  457. 

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

  459.     *id = inDefault;

  460.     return noErr;

  461. }

  462. 

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

  464. {

  465.     OSStatus res;

  466.     UInt32 theSize = sizeof(UInt32);

  467.     AudioDeviceID outDefault;

  468. 

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

  470.         return res;

  471. 

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

  473.     *id = outDefault;

  474.     return noErr;

  475. }

  476. 

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

  478. {

  479.     UInt32 size = 256;

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

  481. }

  482. 

  483. // Setup

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

  485.                                         const char* playback_driver_uid,

  486.                                         char* capture_driver_name,

  487.                                         char* playback_driver_name)

  488. {

  489.     capture_driver_name[0] = 0;

  490.     playback_driver_name[0] = 0;

  491. 

  492.     // Duplex

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

  494.         jack_log("JackCoreAudioAdapter::Open duplex");

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

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

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

  498.                 return -1;

  499.             }

  500.         }

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

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

  503.             return -1;

  504.         }

  505. 

  506.         // Capture only

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

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

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

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

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

  512.                 return -1;

  513.             }

  514.         }

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

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

  517.             return -1;

  518.         }

  519. 

  520.         // Playback only

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

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

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

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

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

  526.                 return -1;

  527.             }

  528.         }

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

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

  531.             return -1;

  532.         }

  533. 

  534.         // Use default driver in duplex mode

  535.     } else {

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

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

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

  539.             return -1;

  540.         }

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

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

  543.             return -1;

  544.         }

  545.     }

  546. 

  547.     return 0;

  548. }

  549. 

  550. int JackCoreAudioAdapter::SetupChannels(bool capturing,

  551.                                         bool playing,

  552.                                         int& inchannels,

  553.                                         int& outchannels,

  554.                                         int& in_nChannels,

  555.                                         int& out_nChannels,

  556.                                         bool strict)

  557. {

  558.     OSStatus err = noErr;

  559. 

  560.     if (capturing) {

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

  562.         if (err != noErr) {

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

  564.             printError(err);

  565.             return -1;

  566.         } else {

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

  568.         }

  569.     }

  570. 

  571.     if (playing) {

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

  573.         if (err != noErr) {

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

  575.             printError(err);

  576.             return -1;

  577.         } else {

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

  579.         }

  580.     }

  581. 

  582.     if (inchannels > in_nChannels) {

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

  584.         if (strict)

  585.             return -1;

  586.     }

  587. 

  588.     if (outchannels > out_nChannels) {

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

  590.         if (strict)

  591.             return -1;

  592.     }

  593. 

  594.     if (inchannels == 0) {

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

  596.         inchannels = in_nChannels;

  597.     }

  598. 

  599.     if (outchannels == 0) {

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

  601.         outchannels = out_nChannels;

  602.     }

  603. 

  604.     return 0;

  605. }

  606. 

  607. int JackCoreAudioAdapter::SetupBufferSizeAndSampleRate(jack_nframes_t nframes, jack_nframes_t samplerate)

  608. {

  609.     OSStatus err = noErr;

  610.     UInt32 outSize;

  611.     Float64 sampleRate;

  612. 

  613.     // Setting buffer size

  614.     outSize = sizeof(UInt32);

  615.     err = AudioDeviceSetProperty(fDeviceID, NULL, 0, false, kAudioDevicePropertyBufferFrameSize, outSize, &nframes);

  616.     if (err != noErr) {

  617.         jack_error("Cannot set buffer size %ld", nframes);

  618.         printError(err);

  619.         return -1;

  620.     }

  621. 

  622.     // Get sample rate

  623.     outSize =  sizeof(Float64);

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

  625.     if (err != noErr) {

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

  627.         printError(err);

  628.         return -1;

  629.     }

  630. 

  631.     // If needed, set new sample rate

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

  633.         sampleRate = (Float64)samplerate;

  634. 

  635.         // To get SR change notification

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

  637.         if (err != noErr) {

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

  639.             printError(err);

  640.             return -1;

  641.         }

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

  643.         if (err != noErr) {

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

  645.             printError(err);

  646.             return -1;

  647.         }

  648. 

  649.         // Waiting for SR change notification

  650.         int count = 0;

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

  652.             usleep(100000);

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

  654.         }

  655. 

  656.         // Remove SR change notification

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

  658.     }

  659. 

  660.     return 0;

  661. }

  662. 

  663. int JackCoreAudioAdapter::SetupBuffers(int inchannels)

  664. {

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

  666. 

  667.     // Prepare buffers

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

  669.     if (fInputData == 0) {

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

  671.         return -1;

  672.     }

  673.     fInputData->mNumberBuffers = inchannels;

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

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

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

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

  678.     }

  679.     return 0;

  680. }

  681. 

  682. void JackCoreAudioAdapter::DisposeBuffers()

  683. {

  684.     if (fInputData) {

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

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

  687.         free(fInputData);

  688.         fInputData = 0;

  689.     }

  690. }

  691. 

  692. int JackCoreAudioAdapter::OpenAUHAL(bool capturing,

  693.                                     bool playing,

  694.                                     int inchannels,

  695.                                     int outchannels,

  696.                                     int in_nChannels,

  697.                                     int out_nChannels,

  698.                                     jack_nframes_t buffer_size,

  699.                                     jack_nframes_t samplerate,

  700.                                     bool strict)

  701. {

  702.     ComponentResult err1;

  703.     UInt32 enableIO;

  704.     AudioStreamBasicDescription srcFormat, dstFormat;

  705. 

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

  707. 

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

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

  710.         return -1;

  711.     }

  712.          

  713.     // AUHAL

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

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

  716. 

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

  718.     if (err1 != noErr) {

  719.         jack_error("Error calling OpenAComponent");

  720.         printError(err1);

  721.         return -1;

  722.     }

  723. 

  724.     err1 = AudioUnitInitialize(fAUHAL);

  725.     if (err1 != noErr) {

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

  727.         printError(err1);

  728.         return -1;

  729.     }

  730. 

  731.     // Start I/O

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

  733.         enableIO = 1;

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

  735.     } else {

  736.         enableIO = 0;

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

  738.     }

  739.     

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

  741.     if (err1 != noErr) {

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

  743.         printError(err1);

  744.         if (strict)

  745.             return -1;

  746.     }

  747. 

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

  749.         enableIO = 1;

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

  751.     } else {

  752.         enableIO = 0;

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

  754.     }

  755.     

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

  757.     if (err1 != noErr) {

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

  759.         printError(err1);

  760.         if (strict)

  761.             return -1;

  762.     }

  763.     

  764.     AudioDeviceID currAudioDeviceID;

  765.     UInt32 size = sizeof(AudioDeviceID);

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

  767.     if (err1 != noErr) {

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

  769.         printError(err1);

  770.         if (strict)

  771.             return -1;

  772.     } else {

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

  774.     }

  775. 

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

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

  778.     if (err1 != noErr) {

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

  780.         printError(err1);

  781.         if (strict)

  782.             return -1;

  783.     }

  784.     

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

  786.     if (err1 != noErr) {

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

  788.         printError(err1);

  789.         if (strict)

  790.             return -1;

  791.     } else {

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

  793.     }

  794. 

  795.     // Set buffer size

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

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

  798.         if (err1 != noErr) {

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

  800.             printError(err1);

  801.             if (strict)

  802.                 return -1;

  803.         }

  804.     }

  805. 

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

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

  808.         if (err1 != noErr) {

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

  810.             printError(err1);

  811.             if (strict)

  812.                 return -1;

  813.         }

  814.     }

  815. 

  816.     // Setup channel map

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

  818.         SInt32 chanArr[in_nChannels];

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

  820.             chanArr[i] = -1;

  821.         }

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

  823.             chanArr[i] = i;

  824.         }

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

  826.         if (err1 != noErr) {

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

  828.             printError(err1);

  829.         }

  830.     }

  831. 

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

  833.         SInt32 chanArr[out_nChannels];

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

  835.             chanArr[i] = -1;

  836.         }

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

  838.             chanArr[i] = i;

  839.         }

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

  841.         if (err1 != noErr) {

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

  843.             printError(err1);

  844.         }

  845.     }

  846. 

  847.     // Setup stream converters

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

  849.     srcFormat.mSampleRate = samplerate;

  850.     srcFormat.mFormatID = kAudioFormatLinearPCM;

  851.     srcFormat.mFormatFlags = kAudioFormatFlagsNativeFloatPacked | kLinearPCMFormatFlagIsNonInterleaved;

  852.     srcFormat.mBytesPerPacket = sizeof(float);

  853.     srcFormat.mFramesPerPacket = 1;

  854.     srcFormat.mBytesPerFrame = sizeof(float);

  855.     srcFormat.mChannelsPerFrame = outchannels;

  856.     srcFormat.mBitsPerChannel = 32;

  857. 

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

  859.     if (err1 != noErr) {

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

  861.         printError(err1);

  862.     }

  863. 

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

  865.     dstFormat.mSampleRate = samplerate;

  866.     dstFormat.mFormatID = kAudioFormatLinearPCM;

  867.     dstFormat.mFormatFlags = kAudioFormatFlagsNativeFloatPacked | kLinearPCMFormatFlagIsNonInterleaved;

  868.     dstFormat.mBytesPerPacket = sizeof(float);

  869.     dstFormat.mFramesPerPacket = 1;

  870.     dstFormat.mBytesPerFrame = sizeof(float);

  871.     dstFormat.mChannelsPerFrame = inchannels;

  872.     dstFormat.mBitsPerChannel = 32;

  873. 

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

  875.     if (err1 != noErr) {

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

  877.         printError(err1);

  878.     }

  879. 

  880.     // Setup callbacks

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

  882.         AURenderCallbackStruct output;

  883.         output.inputProc = Render;

  884.         output.inputProcRefCon = this;

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

  886.         if (err1 != noErr) {

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

  888.             printError(err1);

  889.             return -1;

  890.         }

  891.     } else {

  892.         AURenderCallbackStruct output;

  893.         output.inputProc = Render;

  894.         output.inputProcRefCon = this;

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

  896.         if (err1 != noErr) {

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

  898.             printError(err1);

  899.             return -1;

  900.         }

  901.     }

  902. 

  903.     return 0;

  904. }

  905. 

  906. void JackCoreAudioAdapter::CloseAUHAL()

  907. {

  908.     AudioUnitUninitialize(fAUHAL);

  909.     CloseComponent(fAUHAL);

  910. }

  911. 

  912. int JackCoreAudioAdapter::Open()

  913. {

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

  915. }

  916. 

  917. int JackCoreAudioAdapter::Close()

  918. {

  919. #ifdef JACK_MONITOR

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

  921. #endif

  922.     AudioOutputUnitStop(fAUHAL);

  923.     DisposeBuffers();

  924.     CloseAUHAL();

  925.     RemoveListeners();

  926.     return 0;

  927. }

  928. 

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

  930.     JackAudioAdapterInterface::SetHostSampleRate ( sample_rate );

  931.     Close();

  932.     return Open();

  933. }

  934. 

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

  936.     JackAudioAdapterInterface::SetHostBufferSize ( buffer_size );

  937.     Close();

  938.     return Open();

  939. }

  940. 

  941. } // namespace

  942. 

  943. #ifdef __cplusplus

  944. extern "C"

  945. {

  946. #endif

  947. 

  948.    SERVER_EXPORT jack_driver_desc_t* jack_get_descriptor()

  949.    {

  950.         jack_driver_desc_t *desc;

  951.         unsigned int i;

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

  953. 

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

  955.         strcpy(desc->desc, "netjack audio <==> net backend adapter");  // size MUST be less then JACK_DRIVER_PARAM_DESC + 1

  956.      

  957.         desc->nparams = 12;

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

  959. 

  960.         i = 0;

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

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

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

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

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

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

  967. 

  968.         i++;

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

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

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

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

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

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

  975. 

  976.         i++;

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

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

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

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

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

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

  983. 

  984.         i++;

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

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

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

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

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

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

  991. 

  992.         i++;

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

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

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

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

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

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

  999. 

  1000.         i++;

  1001.         strcpy(desc->params[i].name, "rate");

  1002.         desc->params[i].character = 'r';

  1003.         desc->params[i].type = JackDriverParamUInt;

  1004.         desc->params[i].value.ui = 44100U;

  1005.         strcpy(desc->params[i].short_desc, "Sample rate");

  1006.         strcpy(desc->params[i].long_desc, desc->params[i].short_desc);

  1007. 

  1008.         i++;

  1009.         strcpy(desc->params[i].name, "periodsize");

  1010.         desc->params[i].character = 'p';

  1011.         desc->params[i].type = JackDriverParamUInt;

  1012.         desc->params[i].value.ui = 512U;

  1013.         strcpy(desc->params[i].short_desc, "Period size");

  1014.         strcpy(desc->params[i].long_desc, desc->params[i].short_desc);

  1015. 

  1016.         i++;

  1017.         strcpy(desc->params[i].name, "duplex");

  1018.         desc->params[i].character = 'D';

  1019.         desc->params[i].type = JackDriverParamBool;

  1020.         desc->params[i].value.i = TRUE;

  1021.         strcpy(desc->params[i].short_desc, "Provide both capture and playback ports");

  1022.         strcpy(desc->params[i].long_desc, desc->params[i].short_desc);

  1023. 

  1024.         i++;

  1025.         strcpy(desc->params[i].name, "device");

  1026.         desc->params[i].character = 'd';

  1027.         desc->params[i].type = JackDriverParamString;

  1028.         strcpy(desc->params[i].value.str, "will take default CoreAudio device name");

  1029.         strcpy(desc->params[i].short_desc, "CoreAudio device name");

  1030.         strcpy(desc->params[i].long_desc, desc->params[i].short_desc);

  1031. 

  1032.         i++;

  1033.         strcpy(desc->params[i].name, "list-devices");

  1034.         desc->params[i].character = 'l';

  1035.         desc->params[i].type = JackDriverParamBool;

  1036.         desc->params[i].value.i = TRUE;

  1037.         strcpy(desc->params[i].short_desc, "Display available CoreAudio devices");

  1038.         strcpy(desc->params[i].long_desc, desc->params[i].short_desc);

  1039.         

  1040.         i++;

  1041.         strcpy(desc->params[i].name, "quality");

  1042.         desc->params[i].character = 'q';

  1043.         desc->params[i].type = JackDriverParamInt;

  1044.         desc->params[i].value.ui = 0;

  1045.         strcpy(desc->params[i].short_desc, "Resample algorithm quality (0 - 4)");

  1046.         strcpy(desc->params[i].long_desc, desc->params[i].short_desc);

  1047.         

  1048.         i++;

  1049.         strcpy(desc->params[i].name, "ring-buffer");

  1050.         desc->params[i].character = 'g';

  1051.         desc->params[i].type = JackDriverParamInt;

  1052.         desc->params[i].value.ui = 32768;

  1053.         strcpy(desc->params[i].short_desc, "Fixed ringbuffer size");

  1054.         strcpy(desc->params[i].long_desc, "Fixed ringbuffer size (if not set => automatic adaptative)");

  1055. 

  1056.         return desc;

  1057.     }

  1058. 

  1059. 

  1060. #ifdef __cplusplus

  1061. }

  1062. #endif