macosx/JackCoreAudioDriver.h

   1 /*
   2 Copyright (C) 2004-2006 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 #ifndef __JackCoreAudioDriver__
  21 #define __JackCoreAudioDriver__
  22
  23 #include <AudioToolbox/AudioConverter.h>
  24 #include <CoreAudio/CoreAudio.h>
  25 #include <AudioUnit/AudioUnit.h>
  26 #include "JackAudioDriver.h"
  27 #include "JackTime.h"
  28
  29 #include "/Developer/Examples/CoreAudio/PublicUtility/CALatencyLog.h"
  30
  31 namespace Jack
  32 {
  33
  34 #define kVersion 102
  35 #define LOG_SAMPLE_DURATION 3   // in millisecond
  36
  37 //#define IO_CPU 1
  38
  39 /*!
  40 \brief The CoreAudio driver.
  41
  42 \todo hardware monitoring
  43 */
  44
  45 class JackCoreAudioDriver : public JackAudioDriver
  46 {
  47
  48     private:
  49 #ifdef DEBUG
  50         //CALatencyLog* fLogFile;
  51 #endif
  52
  53         AudioUnit fAUHAL;
  54
  55         AudioBufferList* fJackInputData;
  56         AudioBufferList* fDriverOutputData;
  57
  58         AudioDeviceID fDeviceID;
  59
  60         AudioUnitRenderActionFlags fActionFags;
  61         AudioTimeStamp fCurrentTime;
  62
  63         static  OSStatus Render(void *inRefCon,
  64                                AudioUnitRenderActionFlags *ioActionFlags,
  65                                const AudioTimeStamp *inTimeStamp,
  66                                UInt32 inBusNumber,
  67                                UInt32 inNumberFrames,
  68                                AudioBufferList *ioData);
  69
  70         static OSStatus MeasureCallback(AudioDeviceID inDevice,
  71                                         const AudioTimeStamp* inNow,
  72                                         const AudioBufferList* inInputData,
  73                                         const AudioTimeStamp* inInputTime,
  74                                         AudioBufferList* outOutputData,
  75                                         const AudioTimeStamp* inOutputTime,
  76                                         void* inClientData);
  77
  78         static OSStatus DeviceNotificationCallback(AudioDeviceID inDevice,
  79                                                                                                         UInt32 inChannel,
  80                                                                                                         Boolean isInput,
  81                                                                                                         AudioDevicePropertyID inPropertyID,
  82                                                                                                         void* inClientData);
  83
  84         OSStatus GetDeviceIDFromUID(const char* UID, AudioDeviceID* id);
  85         OSStatus GetDefaultDevice(AudioDeviceID* id);
  86         OSStatus GetDefaultInputDevice(AudioDeviceID* id);
  87         OSStatus GetDefaultOutputDevice(AudioDeviceID* id);
  88         OSStatus GetDeviceNameFromID(AudioDeviceID id, char* name);
  89         OSStatus GetTotalChannels(AudioDeviceID device, long* channelCount, bool isInput);
  90
  91     public:
  92
  93         JackCoreAudioDriver(const char* name, JackEngine* engine, JackSynchro** table);
  94         virtual ~JackCoreAudioDriver();
  95
  96         int Open(jack_nframes_t frames_per_cycle,
  97                  jack_nframes_t rate,
  98                  int capturing,
  99                  int playing,
 100                  int chan_in,
 101                  int chan_out,
 102                  bool monitor,
 103                  const char* capture_driver_name,
 104                  const char* playback_driver_name,
 105                  jack_nframes_t capture_latency,
 106                  jack_nframes_t playback_latency);
 107
 108         int Close();
 109
 110         int Attach();
 111
 112         int Start();
 113         int Stop();
 114
 115         int Read();
 116         int Write();
 117
 118         int SetBufferSize(jack_nframes_t buffer_size);
 119
 120         void PrintState();
 121 };
 122
 123 } // end of namespace
 124
 125 #endif