source/modules/rtaudio/include/asiodrvr.h

   1 /*
   2         Steinberg Audio Stream I/O API
   3         (c) 1996, Steinberg Soft- und Hardware GmbH
   4         charlie (May 1996)
   5
   6         asiodrvr.h
   7         c++ superclass to implement asio functionality. from this,
   8         you can derive whatever required
   9 */
  10
  11 #ifndef _asiodrvr_
  12 #define _asiodrvr_
  13
  14 // cpu and os system we are running on
  15 #include "asiosys.h"
  16 // basic "C" interface
  17 #include "asio.h"
  18
  19 class AsioDriver;
  20 extern AsioDriver *getDriver();         // for generic constructor
  21
  22 #if WINDOWS
  23 #include <windows.h>
  24 #include "combase.h"
  25 #include "iasiodrv.h"
  26 class AsioDriver : public IASIO ,public CUnknown
  27 {
  28 public:
  29         AsioDriver(LPUNKNOWN pUnk, HRESULT *phr);
  30
  31         DECLARE_IUNKNOWN
  32         // Factory method
  33         static CUnknown *CreateInstance(LPUNKNOWN pUnk, HRESULT *phr);
  34         // IUnknown
  35         virtual HRESULT STDMETHODCALLTYPE NonDelegatingQueryInterface(REFIID riid,void **ppvObject);
  36
  37 #else
  38
  39 class AsioDriver
  40 {
  41 public:
  42         AsioDriver();
  43 #endif
  44         virtual ~AsioDriver();
  45
  46         virtual ASIOBool init(void* sysRef);
  47         virtual void getDriverName(char *name); // max 32 bytes incl. terminating zero
  48         virtual long getDriverVersion();
  49         virtual void getErrorMessage(char *string);     // max 124 bytes incl.
  50
  51         virtual ASIOError start();
  52         virtual ASIOError stop();
  53
  54         virtual ASIOError getChannels(long *numInputChannels, long *numOutputChannels);
  55         virtual ASIOError getLatencies(long *inputLatency, long *outputLatency);
  56         virtual ASIOError getBufferSize(long *minSize, long *maxSize,
  57                 long *preferredSize, long *granularity);
  58
  59         virtual ASIOError canSampleRate(ASIOSampleRate sampleRate);
  60         virtual ASIOError getSampleRate(ASIOSampleRate *sampleRate);
  61         virtual ASIOError setSampleRate(ASIOSampleRate sampleRate);
  62         virtual ASIOError getClockSources(ASIOClockSource *clocks, long *numSources);
  63         virtual ASIOError setClockSource(long reference);
  64
  65         virtual ASIOError getSamplePosition(ASIOSamples *sPos, ASIOTimeStamp *tStamp);
  66         virtual ASIOError getChannelInfo(ASIOChannelInfo *info);
  67
  68         virtual ASIOError createBuffers(ASIOBufferInfo *bufferInfos, long numChannels,
  69                 long bufferSize, ASIOCallbacks *callbacks);
  70         virtual ASIOError disposeBuffers();
  71
  72         virtual ASIOError controlPanel();
  73         virtual ASIOError future(long selector, void *opt);
  74         virtual ASIOError outputReady();
  75 };
  76 #endif