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00020 #ifndef __JackCoreAudioDriver__
00021 #define __JackCoreAudioDriver__
00022
00023 #include <AudioToolbox/AudioConverter.h>
00024 #include <CoreAudio/CoreAudio.h>
00025 #include <AudioUnit/AudioUnit.h>
00026 #include "JackAudioDriver.h"
00027 #include "JackTime.h"
00028
00029 #include "/Developer/Examples/CoreAudio/PublicUtility/CALatencyLog.h"
00030
00031 namespace Jack
00032 {
00033
00034 #define kVersion 102
00035 #define LOG_SAMPLE_DURATION 3 // in millisecond
00036
00037
00038
00045 class JackCoreAudioDriver : public JackAudioDriver
00046 {
00047
00048 private:
00049 #ifdef DEBUG
00050
00051 #endif
00052
00053 AudioUnit fAUHAL;
00054
00055 AudioBufferList* fJackInputData;
00056 AudioBufferList* fDriverOutputData;
00057
00058 AudioDeviceID fDeviceID;
00059
00060 AudioUnitRenderActionFlags fActionFags;
00061 AudioTimeStamp fCurrentTime;
00062
00063 static OSStatus Render(void *inRefCon,
00064 AudioUnitRenderActionFlags *ioActionFlags,
00065 const AudioTimeStamp *inTimeStamp,
00066 UInt32 inBusNumber,
00067 UInt32 inNumberFrames,
00068 AudioBufferList *ioData);
00069
00070 static OSStatus MeasureCallback(AudioDeviceID inDevice,
00071 const AudioTimeStamp* inNow,
00072 const AudioBufferList* inInputData,
00073 const AudioTimeStamp* inInputTime,
00074 AudioBufferList* outOutputData,
00075 const AudioTimeStamp* inOutputTime,
00076 void* inClientData);
00077
00078 static OSStatus DeviceNotificationCallback(AudioDeviceID inDevice,
00079 UInt32 inChannel,
00080 Boolean isInput,
00081 AudioDevicePropertyID inPropertyID,
00082 void* inClientData);
00083
00084 OSStatus GetDeviceIDFromUID(const char* UID, AudioDeviceID* id);
00085 OSStatus GetDefaultDevice(AudioDeviceID* id);
00086 OSStatus GetDefaultInputDevice(AudioDeviceID* id);
00087 OSStatus GetDefaultOutputDevice(AudioDeviceID* id);
00088 OSStatus GetDeviceNameFromID(AudioDeviceID id, char* name);
00089 OSStatus GetTotalChannels(AudioDeviceID device, long* channelCount, bool isInput);
00090
00091 public:
00092
00093 JackCoreAudioDriver(const char* name, JackEngine* engine, JackSynchro** table);
00094 virtual ~JackCoreAudioDriver();
00095
00096 int Open(jack_nframes_t frames_per_cycle,
00097 jack_nframes_t rate,
00098 int capturing,
00099 int playing,
00100 int chan_in,
00101 int chan_out,
00102 bool monitor,
00103 const char* capture_driver_name,
00104 const char* playback_driver_name,
00105 jack_nframes_t capture_latency,
00106 jack_nframes_t playback_latency);
00107
00108 int Close();
00109
00110 int Attach();
00111
00112 int Start();
00113 int Stop();
00114
00115 int Read();
00116 int Write();
00117
00118 int SetBufferSize(jack_nframes_t buffer_size);
00119
00120 void PrintState();
00121 };
00122
00123 }
00124
00125 #endif