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Collection of tools useful for audio production
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Cadence/c++/carla-engine/rtaudio-4.0.11/include/asiodrvr.h

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  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