asiodrvr.h

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/*
        Steinberg Audio Stream I/O API
        (c) 1996, Steinberg Soft- und Hardware GmbH
        charlie (May 1996)
 
        asiodrvr.h
        c++ superclass to implement asio functionality. from this,
        you can derive whatever required
*/
 
#ifndef _asiodrvr_
#define _asiodrvr_
 
// cpu and os system we are running on
#include "asiosys.h"
// basic "C" interface
#include "asio.h"
 
class AsioDriver;
extern AsioDriver *getDriver();         // for generic constructor 
 
#if WINDOWS
#include <windows.h>
#include "combase.h"
#include "iasiodrv.h"
class AsioDriver : public IASIO ,public CUnknown
{
public:
        AsioDriver(LPUNKNOWN pUnk, HRESULT *phr);
 
        DECLARE_IUNKNOWN
        // Factory method
        static CUnknown *CreateInstance(LPUNKNOWN pUnk, HRESULT *phr);
        // IUnknown
        virtual HRESULT STDMETHODCALLTYPE NonDelegatingQueryInterface(REFIID riid,void **ppvObject);
 
#else
 
class AsioDriver
{
public:
        AsioDriver();
#endif
        virtual ~AsioDriver();
 
        virtual ASIOBool init(void* sysRef);
        virtual void getDriverName(char *name); // max 32 bytes incl. terminating zero
        virtual long getDriverVersion();
        virtual void getErrorMessage(char *string);     // max 124 bytes incl.
 
        virtual ASIOError start();
        virtual ASIOError stop();
 
        virtual ASIOError getChannels(long *numInputChannels, long *numOutputChannels);
        virtual ASIOError getLatencies(long *inputLatency, long *outputLatency);
        virtual ASIOError getBufferSize(long *minSize, long *maxSize,
                long *preferredSize, long *granularity);
 
        virtual ASIOError canSampleRate(ASIOSampleRate sampleRate);
        virtual ASIOError getSampleRate(ASIOSampleRate *sampleRate);
        virtual ASIOError setSampleRate(ASIOSampleRate sampleRate);
        virtual ASIOError getClockSources(ASIOClockSource *clocks, long *numSources);
        virtual ASIOError setClockSource(long reference);
 
        virtual ASIOError getSamplePosition(ASIOSamples *sPos, ASIOTimeStamp *tStamp);
        virtual ASIOError getChannelInfo(ASIOChannelInfo *info);
 
        virtual ASIOError createBuffers(ASIOBufferInfo *bufferInfos, long numChannels,
                long bufferSize, ASIOCallbacks *callbacks);
        virtual ASIOError disposeBuffers();
 
        virtual ASIOError controlPanel();
        virtual ASIOError future(long selector, void *opt);
        virtual ASIOError outputReady();
};
#endif