Initial import

git-svn-id: http://moon:8086/svn/software/trunk/libsrc/asiosdk2@1 b431acfa-c32f-4a4a-93f1-934dc6c82436
2014-07-19 07:44:42 +00:00
commit 562920dd85
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+/*
+	Steinberg Audio Stream I/O API
+	(c) 1999, Steinberg Soft- und Hardware GmbH
+
+	asiosmpl.h
+	
+	test implementation of asio
+*/
+
+#ifndef _asiosmpl_
+#define _asiosmpl_
+
+#include "asiosys.h"
+
+#define TESTWAVES 1
+// when true, will feed the left input (to host) with
+// a sine wave, and the right one with a sawtooth
+
+enum
+{
+	kBlockFrames = 256,
+	kNumInputs = 16,
+	kNumOutputs = 16
+};
+
+#if WINDOWS
+
+#include "rpc.h"
+#include "rpcndr.h"
+#ifndef COM_NO_WINDOWS_H
+#include <windows.h>
+#include "ole2.h"
+#endif
+
+#include "combase.h"
+#include "iasiodrv.h"
+
+class AsioSample : public IASIO, public CUnknown
+{
+public:
+	AsioSample(LPUNKNOWN pUnk, HRESULT *phr);
+	~AsioSample();
+
+	DECLARE_IUNKNOWN
+    //STDMETHODIMP QueryInterface(REFIID riid, void **ppv) {      \
+    //    return GetOwner()->QueryInterface(riid,ppv);            \
+    //};                                                          \
+    //STDMETHODIMP_(ULONG) AddRef() {                             \
+    //    return GetOwner()->AddRef();                            \
+    //};                                                          \
+    //STDMETHODIMP_(ULONG) Release() {                            \
+    //    return GetOwner()->Release();                           \
+    //};
+
+	// Factory method
+	static CUnknown *CreateInstance(LPUNKNOWN pUnk, HRESULT *phr);
+	// IUnknown
+	virtual HRESULT STDMETHODCALLTYPE NonDelegatingQueryInterface(REFIID riid,void **ppvObject);
+#else
+
+#include "asiodrvr.h"
+
+//---------------------------------------------------------------------------------------------
+class AsioSample : public AsioDriver
+{
+public:
+	AsioSample ();
+	~AsioSample ();
+#endif
+
+	ASIOBool init (void* sysRef);
+	void getDriverName (char *name);	// max 32 bytes incl. terminating zero
+	long getDriverVersion ();
+	void getErrorMessage (char *string);	// max 128 bytes incl.
+
+	ASIOError start ();
+	ASIOError stop ();
+
+	ASIOError getChannels (long *numInputChannels, long *numOutputChannels);
+	ASIOError getLatencies (long *inputLatency, long *outputLatency);
+	ASIOError getBufferSize (long *minSize, long *maxSize,
+		long *preferredSize, long *granularity);
+
+	ASIOError canSampleRate (ASIOSampleRate sampleRate);
+	ASIOError getSampleRate (ASIOSampleRate *sampleRate);
+	ASIOError setSampleRate (ASIOSampleRate sampleRate);
+	ASIOError getClockSources (ASIOClockSource *clocks, long *numSources);
+	ASIOError setClockSource (long index);
+
+	ASIOError getSamplePosition (ASIOSamples *sPos, ASIOTimeStamp *tStamp);
+	ASIOError getChannelInfo (ASIOChannelInfo *info);
+
+	ASIOError createBuffers (ASIOBufferInfo *bufferInfos, long numChannels,
+		long bufferSize, ASIOCallbacks *callbacks);
+	ASIOError disposeBuffers ();
+
+	ASIOError controlPanel ();
+	ASIOError future (long selector, void *opt);
+	ASIOError outputReady ();
+
+	void bufferSwitch ();
+	long getMilliSeconds () {return milliSeconds;}
+
+private:
+friend void myTimer();
+
+	bool inputOpen ();
+#if TESTWAVES
+	void makeSine (short *wave);
+	void makeSaw (short *wave);
+#endif
+	void inputClose ();
+	void input ();
+
+	bool outputOpen ();
+	void outputClose ();
+	void output ();
+
+	void timerOn ();
+	void timerOff ();
+	void bufferSwitchX ();
+
+	double samplePosition;
+	double sampleRate;
+	ASIOCallbacks *callbacks;
+	ASIOTime asioTime;
+	ASIOTimeStamp theSystemTime;
+	short *inputBuffers[kNumInputs * 2];
+	short *outputBuffers[kNumOutputs * 2];
+#if TESTWAVES
+	short *sineWave, *sawTooth;
+#endif
+	long inMap[kNumInputs];
+	long outMap[kNumOutputs];
+	long blockFrames;
+	long inputLatency;
+	long outputLatency;
+	long activeInputs;
+	long activeOutputs;
+	long toggle;
+	long milliSeconds;
+	bool active, started;
+	bool timeInfoMode, tcRead;
+	char errorMessage[128];
+};
+
+#endif
+