Adding the AudioCodec ACX sample driver to Github. (#882)

* Adding the AudioCodec acx sample driver to Github.

* Fix to make AudioCodec driver all build in one solution file. Builds in ARM64 now.

1 files changed, 259 insertions, 0 deletions

diff --git a/audio/Acx/Samples/Common/SaveData.h b/audio/Acx/Samples/Common/SaveData.h
new file mode 100644
index 00000000..9138352f
--- /dev/null
+++ b/audio/Acx/Samples/Common/SaveData.h
@@ -0,0 +1,259 @@
+/*++
+
+Copyright (c) Microsoft Corporation.  All rights reserved.
+
+    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:
+
+    SaveData.h
+
+Abstract:
+
+    Declaration of data saving class for ACX driver samples. This class supplies services
+to save data to disk.
+
+
+--*/
+
+#pragma once
+
+//-----------------------------------------------------------------------------
+//  Forward declaration
+//-----------------------------------------------------------------------------
+class CSaveData;
+typedef CSaveData *PCSaveData;
+
+
+//-----------------------------------------------------------------------------
+//  Structs
+//-----------------------------------------------------------------------------
+
+// Parameter to workitem.
+#include <pshpack1.h>
+typedef struct _SAVEWORKER_PARAM {
+    PIO_WORKITEM     WorkItem;
+    ULONG            ulFrameNo;
+    ULONG            ulDataSize;
+    PBYTE            pData;
+    PCSaveData       pSaveData;
+    KEVENT           EventDone;
+} SAVEWORKER_PARAM;
+typedef SAVEWORKER_PARAM *PSAVEWORKER_PARAM;
+#include <poppack.h>
+
+// wave file header.
+#include <pshpack1.h>
+typedef struct _OUTPUT_FILE_HEADER
+{
+    DWORD           dwRiff;
+    DWORD           dwFileSize;
+    DWORD           dwWave;
+    DWORD           dwFormat;
+    DWORD           dwFormatLength;
+} OUTPUT_FILE_HEADER;
+typedef OUTPUT_FILE_HEADER *POUTPUT_FILE_HEADER;
+
+typedef struct _OUTPUT_DATA_HEADER
+{
+    DWORD           dwData;
+    DWORD           dwDataLength;
+} OUTPUT_DATA_HEADER;
+typedef OUTPUT_DATA_HEADER *POUTPUT_DATA_HEADER;
+
+#include <poppack.h>
+
+//-----------------------------------------------------------------------------
+//  Classes
+//-----------------------------------------------------------------------------
+
+///////////////////////////////////////////////////////////////////////////////
+// CSaveData
+//   Saves the wave data to disk.
+//
+__drv_maxIRQL(PASSIVE_LEVEL)
+PAGED_CODE_SEG
+IO_WORKITEM_ROUTINE SaveFrameWorkerCallback;
+
+class CSaveData
+{
+protected:
+    UNICODE_STRING              m_FileName;         // DataFile name.
+    HANDLE                      m_FileHandle;       // DataFile handle.
+    PBYTE                       m_pDataBuffer;      // Data buffer.
+    ULONG                       m_ulBufferSize;     // Total buffer size.
+
+    ULONG                       m_ulFrameIndex;     // Current Frame.
+    ULONG                       m_ulFrameCount;     // Frame count.
+    ULONG                       m_ulFrameSize;
+    ULONG                       m_ulBufferOffset;   // index in buffer.
+    PBOOL                       m_fFrameUsed;       // Frame usage table.
+    KSPIN_LOCK                  m_FrameInUseSpinLock; // Spinlock for synch.
+    KMUTEX                      m_FileSync;         // Synchronizes file access
+
+    OBJECT_ATTRIBUTES           m_objectAttributes; // Used for opening file.
+
+    OUTPUT_FILE_HEADER          m_FileHeader;
+    PWAVEFORMATEX               m_waveFormat;
+    OUTPUT_DATA_HEADER          m_DataHeader;
+    PLARGE_INTEGER              m_pFilePtr;
+
+    static PDEVICE_OBJECT       m_pDeviceObject;
+    static ULONG                m_ulStreamId;
+    static ULONG                m_ulOffloadStreamId;
+    static PSAVEWORKER_PARAM    m_pWorkItems;
+
+    BOOL                        m_fWriteDisabled;
+
+    BOOL                        m_bInitialized;
+
+public:
+    __drv_maxIRQL(PASSIVE_LEVEL)
+    PAGED_CODE_SEG
+    CSaveData();
+
+    __drv_maxIRQL(PASSIVE_LEVEL)
+    PAGED_CODE_SEG
+    ~CSaveData();
+
+    __drv_maxIRQL(PASSIVE_LEVEL)
+    PAGED_CODE_SEG
+    void
+    Cleanup(
+        void
+        );
+
+    static
+    __drv_maxIRQL(PASSIVE_LEVEL)
+    PAGED_CODE_SEG
+    NTSTATUS             
+    InitializeWorkItems(
+        _In_  PDEVICE_OBJECT    DeviceObject
+        );
+
+    static
+    __drv_maxIRQL(PASSIVE_LEVEL)
+    PAGED_CODE_SEG
+    void
+    DestroyWorkItems(
+        void
+        );
+    
+    __drv_maxIRQL(PASSIVE_LEVEL)
+    PAGED_CODE_SEG
+    void
+    Disable(
+        _In_ BOOL               fDisable
+        );
+    
+    static
+    __drv_maxIRQL(DISPATCH_LEVEL)
+    PSAVEWORKER_PARAM
+    GetNewWorkItem(
+        void
+        );
+    
+    __drv_maxIRQL(PASSIVE_LEVEL)
+    PAGED_CODE_SEG
+    NTSTATUS
+    Initialize(
+        _In_ BOOL               _bOffloaded
+        );
+	
+    static
+    __drv_maxIRQL(PASSIVE_LEVEL)
+    PAGED_CODE_SEG
+    NTSTATUS
+    SetDeviceObject(
+	    _In_  PDEVICE_OBJECT    DeviceObject
+	    );
+	
+    static
+    __drv_maxIRQL(PASSIVE_LEVEL)
+    PAGED_CODE_SEG
+    PDEVICE_OBJECT
+    GetDeviceObject(
+	    void
+	    );
+    
+    __drv_maxIRQL(PASSIVE_LEVEL)
+    PAGED_CODE_SEG
+    void
+    ReadData(
+        _Inout_updates_bytes_all_(ulByteCount)  PBYTE   pBuffer,
+        _In_                                    ULONG   ulByteCount
+        );
+    
+    __drv_maxIRQL(PASSIVE_LEVEL)
+    PAGED_CODE_SEG
+    NTSTATUS
+    SetDataFormat(
+        _In_  PKSDATAFORMAT     pDataFormat
+        );
+    
+    __drv_maxIRQL(PASSIVE_LEVEL)
+    PAGED_CODE_SEG
+    NTSTATUS
+    SetMaxWriteSize(
+        _In_  ULONG             ulMaxWriteSize
+        );  
+    
+    __drv_maxIRQL(PASSIVE_LEVEL)
+    PAGED_CODE_SEG
+    void
+    WaitAllWorkItems(
+        void
+        );
+
+    __drv_maxIRQL(DISPATCH_LEVEL)
+    void
+    WriteData(
+        _In_reads_bytes_(ulByteCount)   PBYTE   pBuffer,
+        _In_                            ULONG   ulByteCount
+        );
+
+private:
+    __drv_maxIRQL(PASSIVE_LEVEL)
+    PAGED_CODE_SEG
+    NTSTATUS
+    FileClose(
+        void
+        );
+    
+    __drv_maxIRQL(PASSIVE_LEVEL)
+    PAGED_CODE_SEG
+    NTSTATUS
+    FileOpen(
+        _In_  BOOL              fOverWrite
+        );
+    
+    __drv_maxIRQL(PASSIVE_LEVEL)
+    PAGED_CODE_SEG
+    NTSTATUS
+    FileWrite(
+        _In_reads_bytes_(ulDataSize)    PBYTE   pData,
+        _In_                            ULONG   ulDataSize
+        );
+    
+    __drv_maxIRQL(PASSIVE_LEVEL)
+    PAGED_CODE_SEG
+    NTSTATUS
+    FileWriteHeader(
+        void
+        );
+
+    __drv_maxIRQL(DISPATCH_LEVEL)
+    void
+    SaveFrame(
+        _In_ ULONG              ulFrameNo,
+        _In_ ULONG              ulDataSize
+        );
+
+    friend
+    IO_WORKITEM_ROUTINE         SaveFrameWorkerCallback;
+};
+typedef CSaveData *PCSaveData;
+