1 files changed, 81 insertions, 0 deletions
diff --git a/AVStream/avscamera/sys/Dbg.h b/AVStream/avscamera/sys/Dbg.h
new file mode 100644
index 00000000..b0bc6e80
--- /dev/null
+++ b/AVStream/avscamera/sys/Dbg.h
@@ -0,0 +1,81 @@
+/**************************************************************************
+
+    AVStream Camera Sample
+
+    Copyright (c) 2014, Microsoft Corporation.
+
+    File:
+
+        Dbg.h
+
+    Abstract:
+
+        Debug definitions.
+
+    History:
+
+        created 2/18/2015
+
+**************************************************************************/
+
+#pragma once
+
+#define DEBUGLVL_VERBOSE 2
+#define DEBUGLVL_TERSE 1
+#define DEBUGLVL_ERROR 0
+
+const int DebugLevel = DEBUGLVL_TERSE;
+
+#if (DBG)
+#define _DbgPrintF(lvl, strings) \
+{ \
+    if (lvl <= DebugLevel) {\
+        DbgPrint(STR_MODULENAME);\
+        DbgPrint##strings;\
+        DbgPrint("\n");\
+        if ((lvl) == DEBUGLVL_ERROR) {\
+            NT_ASSERT(0);\
+        } \
+    }\
+}
+#else // !DBG
+#define _DbgPrintF(lvl, strings)
+#endif // !DBG
+
+//  This is for debug output; but we're going to leave it in the
+//  driver for now.  We can always turn off the Windbg output at
+//  the debugger.
+//  Enable via debugger: ed Kd_IHVSTREAMING_Mask 0xFFFFFFFF
+#define ENABLE_TRACING  1
+#if ENABLE_TRACING
+
+#define DBG_OUT( FMT, ... ) \
+    { \
+        LARGE_INTEGER   SysTime; \
+        LARGE_INTEGER   LocalTime; \
+        TIME_FIELDS     TimeFields; \
+        \
+        KeQuerySystemTimePrecise( &SysTime ); \
+        ExSystemTimeToLocalTime( &SysTime, &LocalTime ); \
+        RtlTimeToTimeFields( &LocalTime, &TimeFields ); \
+        DbgPrintEx( DPFLTR_IHVSTREAMING_ID, DPFLTR_MASK|DPFLTR_TRACE_LEVEL, \
+        "%02d:%02d:%02d.%03d [%p] " ## FMT ## "\n", \
+        TimeFields.Hour, TimeFields.Minute, TimeFields.Second, TimeFields.Milliseconds, \
+        KeGetCurrentThread(), __VA_ARGS__ ); \
+    }
+
+#define DBG_ENTER( FMT, ... ) \
+    DBG_OUT( "Entering: " __FUNCTION__ ## FMT, __VA_ARGS__ );
+
+#define DBG_LEAVE( FMT, ... ) \
+    DBG_OUT( " Leaving: " __FUNCTION__ ## FMT, __VA_ARGS__ );
+
+#define DBG_TRACE( FMT, ... ) \
+    DBG_OUT( "      In: " __FUNCTION__ ## " " ## FMT, __VA_ARGS__ );
+
+#else // !ENABLE_TRACING  
+#define DBG_ENTER( ... )
+#define DBG_LEAVE( ... )
+#define DBG_TRACE( ... )
+#endif // !ENABLE_TRACING  
+