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
83 changed files with 14225 additions and 0 deletions
@@ -0,0 +1,55 @@
+#include <windows.h>
+#include "asiosmpl.h"
+
+static DWORD __stdcall ASIOThread (void *param);
+static HANDLE ASIOThreadHandle = 0;
+static bool done = false;
+const double twoRaisedTo32 = 4294967296.;
+
+AsioSample* theDriver = 0;
+
+//------------------------------------------------------------------------------------------
+void getNanoSeconds (ASIOTimeStamp* ts)
+{
+	double nanoSeconds = (double)((unsigned long)timeGetTime ()) * 1000000.;
+	ts->hi = (unsigned long)(nanoSeconds / twoRaisedTo32);
+	ts->lo = (unsigned long)(nanoSeconds - (ts->hi * twoRaisedTo32));
+}
+
+//------------------------------------------------------------------------------------------
+void AsioSample::timerOn ()
+{
+	theDriver = this;
+	DWORD asioId;
+	done = false;
+	ASIOThreadHandle = CreateThread (0, 0, &ASIOThread, 0, 0, &asioId);
+}
+
+//------------------------------------------------------------------------------------------
+void AsioSample::timerOff ()
+{
+	done = true;
+	if (ASIOThreadHandle)
+		WaitForSingleObject(ASIOThreadHandle, 1000);
+	ASIOThreadHandle = 0;
+}
+
+//------------------------------------------------------------------------------------------
+static DWORD __stdcall ASIOThread (void *param)
+{
+	do
+	{
+		if (theDriver)
+		{
+			theDriver->bufferSwitch ();
+			Sleep (theDriver->getMilliSeconds ());
+		}
+		else
+		{
+			double a = 1000. / 44100.;
+			Sleep ((long)(a * (double)kBlockFrames));
+
+		}
+	} while (!done);
+	return 0;
+}