New SDCAVAD sample.

1 files changed, 76 insertions, 0 deletions

diff --git a/audio/SoundWire/Samples/SdcaVad/SdcaVDsp/PositionSimClock.h b/audio/SoundWire/Samples/SdcaVad/SdcaVDsp/PositionSimClock.h
new file mode 100644
index 00000000..2d1844fa
--- /dev/null
+++ b/audio/SoundWire/Samples/SdcaVad/SdcaVDsp/PositionSimClock.h
@@ -0,0 +1,76 @@
+/*++
+
+    THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY
+    KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
+    IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A PARTICULAR
+    PURPOSE.
+
+Module Name:
+
+    PositionSimClock.h
+
+Abstract:
+
+    Simulated clock for keeping track of stream position.
+
+Environment:
+
+    Kernel mode
+
+--*/
+
+#pragma once
+
+#include "PositionClock.h"
+
+#define HNSTIME_PER_MILLISECOND 10000
+
+class CPositionSimClock : public IPositionClock
+{
+public:
+    __drv_maxIRQL(PASSIVE_LEVEL)
+    PAGED_CODE_SEG
+    CPositionSimClock();
+
+    virtual
+    __drv_maxIRQL(PASSIVE_LEVEL)
+    ~CPositionSimClock();
+
+    virtual
+        __drv_maxIRQL(PASSIVE_LEVEL)
+        void Pause();
+
+    virtual
+        __drv_maxIRQL(PASSIVE_LEVEL)
+        void Run();
+
+    virtual
+        __drv_maxIRQL(PASSIVE_LEVEL)
+        void Stop();
+
+    virtual
+        __drv_maxIRQL(PASSIVE_LEVEL)
+        ULONGLONG GetElapsedTime(_Out_ PULONGLONG pQpcTimeStamp);
+
+protected:
+    ULONGLONG m_StartTime;
+    ULONGLONG m_ElapsedTimeWhenPaused;
+    ULONGLONG m_QpcTimeStamp;
+
+    KSPIN_LOCK m_Lock;
+
+    typedef enum _SimClockState_t
+    {
+        SIM_CLOCK_STATE_STOP,
+        SIM_CLOCK_STATE_PAUSE,
+        SIM_CLOCK_STATE_RUN,
+
+        SIM_CLOCK_STATE_Count
+    }SimClockState;
+
+    SimClockState m_State;
+
+    __drv_maxIRQL(DISPATCH_LEVEL)
+        ULONGLONG GetElapsedTimeUnlocked();
+};
+