jens
562920dd85
git-svn-id: http://moon:8086/svn/software/trunk/libsrc/asiosdk2@1 b431acfa-c32f-4a4a-93f1-934dc6c82436
56 lines
1.4 KiB
C++
Executable File
56 lines
1.4 KiB
C++
Executable File
#include <windows.h>
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#include "asiosmpl.h"
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static DWORD __stdcall ASIOThread (void *param);
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static HANDLE ASIOThreadHandle = 0;
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static bool done = false;
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const double twoRaisedTo32 = 4294967296.;
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AsioSample* theDriver = 0;
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//------------------------------------------------------------------------------------------
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void getNanoSeconds (ASIOTimeStamp* ts)
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{
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double nanoSeconds = (double)((unsigned long)timeGetTime ()) * 1000000.;
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ts->hi = (unsigned long)(nanoSeconds / twoRaisedTo32);
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ts->lo = (unsigned long)(nanoSeconds - (ts->hi * twoRaisedTo32));
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}
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//------------------------------------------------------------------------------------------
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void AsioSample::timerOn ()
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{
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theDriver = this;
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DWORD asioId;
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done = false;
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ASIOThreadHandle = CreateThread (0, 0, &ASIOThread, 0, 0, &asioId);
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}
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//------------------------------------------------------------------------------------------
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void AsioSample::timerOff ()
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{
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done = true;
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if (ASIOThreadHandle)
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WaitForSingleObject(ASIOThreadHandle, 1000);
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ASIOThreadHandle = 0;
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}
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//------------------------------------------------------------------------------------------
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static DWORD __stdcall ASIOThread (void *param)
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{
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do
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{
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if (theDriver)
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{
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theDriver->bufferSwitch ();
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Sleep (theDriver->getMilliSeconds ());
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}
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else
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{
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double a = 1000. / 44100.;
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Sleep ((long)(a * (double)kBlockFrames));
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}
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} while (!done);
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return 0;
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}
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