[PreserveSig]
        int Append([In, MarshalAs(UnmanagedType.LPWStr)] string pszSBRecording);

        [PreserveSig]
        int AppendEx(
            [In, MarshalAs(UnmanagedType.LPWStr)] string pszSBRecording,
            [In] long rtStart,
            [In] long rtStop
            );

        [PreserveSig]
        int GetCurrentLength([Out] out int pcSeconds);

        [PreserveSig]
        int Close();

        [PreserveSig]
        int Cancel();
    }

    [ComImport,
    Guid("16CA4E03-FE69-4705-BD41-5B7DFC0C95F3"),
    InterfaceType(ComInterfaceType.InterfaceIsIUnknown)]
    public interface IStreamBufferRecordingAttribute
    {
        [PreserveSig]
        int SetAttribute(
            [In] int ulReserved,
            [In, MarshalAs(UnmanagedType.LPWStr)] string pszAttributeName,
            [In] StreamBufferAttrDataType StreamBufferAttributeType,
            [In] IntPtr pbAttribute, // BYTE *
            [In] short cbAttributeLength
            );

        [PreserveSig]
        int GetAttributeCount(
            [In] int ulReserved,
            [Out] out short pcAttributes
            );

        [PreserveSig]
        int GetAttributeByName(
            [In, MarshalAs(UnmanagedType.LPWStr)] string pszAttributeName,
            [In] int pulReserved,
            [Out] out StreamBufferAttrDataType pStreamBufferAttributeType,
            [In, Out] IntPtr pbAttribute, // BYTE *
            [In, Out] ref short pcbLength
            );

        [PreserveSig]
        int GetAttributeByIndex(
            [In] short wIndex,
            [In] int pulReserved,
            [Out, MarshalAs(UnmanagedType.LPWStr)] StringBuilder pszAttributeName,
            [In, Out] ref short pcchNameLength,
            [Out] out StreamBufferAttrDataType pStreamBufferAttributeType,
            IntPtr pbAttribute, // BYTE *
            [In, Out] ref short pcbLength
            );

        int EnumAttributes([Out] out IEnumStreamBufferRecordingAttrib ppIEnumStreamBufferAttrib);
    }

    [ComImport,
    Guid("C18A9162-1E82-4142-8C73-5690FA62FE33"),
    InterfaceType(ComInterfaceType.InterfaceIsIUnknown)]
    public interface IEnumStreamBufferRecordingAttrib
    {
        [PreserveSig]
        int Next(
            [In] int cRequest,
            [Out, MarshalAs(UnmanagedType.LPArray, SizeParamIndex=0)] StreamBufferAttribute[] pStreamBufferAttribute,
            [Out] out int pcReceived
            );

        [PreserveSig]
        int Skip([In] int cRecords);

        [PreserveSig]
        int Reset();

        [PreserveSig]
        int Clone([Out] out IEnumStreamBufferRecordingAttrib ppIEnumStreamBufferAttrib);
    }

    [ComImport,
    Guid("ce14dfae-4098-4af7-bbf7-d6511f835414"),
    InterfaceType(ComInterfaceType.InterfaceIsIUnknown)]
    public interface IStreamBufferConfigure
    {
        [PreserveSig]
        int SetDirectory([In, MarshalAs(UnmanagedType.LPWStr)] string pszDirectoryName);

        [PreserveSig]
        int GetDirectory([Out, MarshalAs(UnmanagedType.LPWStr)] out string pszDirectoryName);

        [PreserveSig]
        int SetBackingFileCount(
            [In] int dwMin,
            [In] int dwMax
            );

        [PreserveSig]
        int GetBackingFileCount(
            [Out] out int dwMin,
            [Out] out int dwMax
            );

        [PreserveSig]
        int SetBackingFileDuration([In] int dwSeconds);

        [PreserveSig]
        int GetBackingFileDuration([Out] out int pdwSeconds);
    }

    [ComImport,
    Guid("53E037BF-3992-4282-AE34-2487B4DAE06B"),
    InterfaceType(ComInterfaceType.InterfaceIsIUnknown)]
    public interface IStreamBufferConfigure2 : IStreamBufferConfigure
    {
        #region IStreamBufferConfigure

        [PreserveSig]
        new int SetDirectory([In, MarshalAs(UnmanagedType.LPWStr)] string pszDirectoryName);

        [PreserveSig]
        new int GetDirectory([Out, MarshalAs(UnmanagedType.LPWStr)] out string pszDirectoryName);

        [PreserveSig]
        new int SetBackingFileCount(
            [In] int dwMin,
            [In] int dwMax
            );

        [PreserveSig]
        new int GetBackingFileCount(
            [Out] out int dwMin,
            [Out] out int dwMax
            );

        [PreserveSig]
        new int SetBackingFileDuration([In] int dwSeconds);

        [PreserveSig]
        new int GetBackingFileDuration([Out] out int pdwSeconds);

        #endregion

        [PreserveSig]
        int SetMultiplexedPacketSize([In] int cbBytesPerPacket);

        [PreserveSig]
        int GetMultiplexedPacketSize([Out] out int pcbBytesPerPacket);

        [PreserveSig]
        int SetFFTransitionRates(
            [In] int dwMaxFullFrameRate,
            [In] int dwMaxNonSkippingRate
            );

        [PreserveSig]
        int GetFFTransitionRates(
            [Out] out int pdwMaxFullFrameRate,
            [Out] out int pdwMaxNonSkippingRate
            );
    }

    [ComImport,
    Guid("f61f5c26-863d-4afa-b0ba-2f81dc978596"),
    InterfaceType(ComInterfaceType.InterfaceIsIUnknown)]
    public interface IStreamBufferMediaSeeking : IMediaSeeking
    {
        #region IMediaSeeking Methods

        [PreserveSig]
        new int GetCapabilities([Out] out AMSeekingSeekingCapabilities pCapabilities);

        [PreserveSig]
        new int CheckCapabilities([In, Out] ref AMSeekingSeekingCapabilities pCapabilities);

        [PreserveSig]
        new int IsFormatSupported([In, MarshalAs(UnmanagedType.LPStruct)] Guid pFormat);

        [PreserveSig]
        new int QueryPreferredFormat([Out] out Guid pFormat);

        [PreserveSig]
        new int GetTimeFormat([Out] out Guid pFormat);

        [PreserveSig]
        new int IsUsingTimeFormat([In, MarshalAs(UnmanagedType.LPStruct)] Guid pFormat);

        [PreserveSig]
        new int SetTimeFormat([In, MarshalAs(UnmanagedType.LPStruct)] Guid pFormat);

        [PreserveSig]
        new int GetDuration([Out] out long pDuration);

        [PreserveSig]
        new int GetStopPosition([Out] out long pStop);

        [PreserveSig]
        new int GetCurrentPosition([Out] out long pCurrent);

        [PreserveSig]
        new int ConvertTimeFormat(
            [Out] out long pTarget,
            [In, MarshalAs(UnmanagedType.LPStruct)] DsGuid pTargetFormat,
            [In] long Source,
            [In, MarshalAs(UnmanagedType.LPStruct)] DsGuid pSourceFormat
            );

        [PreserveSig]
        new int SetPositions(
            [In, Out, MarshalAs(UnmanagedType.LPStruct)] DsLong pCurrent,
            [In] AMSeekingSeekingFlags dwCurrentFlags,
            [In, Out, MarshalAs(UnmanagedType.LPStruct)] DsLong pStop,
            [In] AMSeekingSeekingFlags dwStopFlags
            );

        [PreserveSig]
        new int GetPositions(
            [Out] out long pCurrent,
            [Out] out long pStop
            );

        [PreserveSig]
        new int GetAvailable(
            [Out] out long pEarliest,
            [Out] out long pLatest
            );

        [PreserveSig]
        new int SetRate([In] double dRate);

        [PreserveSig]
        new int GetRate([Out] out double pdRate);

        [PreserveSig]
        new int GetPreroll([Out] out long pllPreroll);

        #endregion
    }

    [ComImport,
    Guid("3a439ab0-155f-470a-86a6-9ea54afd6eaf"),
    InterfaceType(ComInterfaceType.InterfaceIsIUnknown)]
    public interface IStreamBufferMediaSeeking2 : IStreamBufferMediaSeeking
    {
        #region IMediaSeeking

        [PreserveSig]
        new int GetCapabilities([Out] out AMSeekingSeekingCapabilities pCapabilities);

        [PreserveSig]
        new int CheckCapabilities([In, Out] ref AMSeekingSeekingCapabilities pCapabilities);

        [PreserveSig]
        new int IsFormatSupported([In, MarshalAs(UnmanagedType.LPStruct)] Guid pFormat);

        [PreserveSig]
        new int QueryPreferredFormat([Out] out Guid pFormat);

        [PreserveSig]
        new int GetTimeFormat([Out] out Guid pFormat);

        [PreserveSig]
        new int IsUsingTimeFormat([In, MarshalAs(UnmanagedType.LPStruct)] Guid pFormat);

        [PreserveSig]
        new int SetTimeFormat([In, MarshalAs(UnmanagedType.LPStruct)] Guid pFormat);

        [PreserveSig]
        new int GetDuration([Out] out long pDuration);

        [PreserveSig]
        new int GetStopPosition([Out] out long pStop);

        [PreserveSig]
        new int GetCurrentPosition([Out] out long pCurrent);

        [PreserveSig]
        new int ConvertTimeFormat(
            [Out] out long pTarget,
            [In, MarshalAs(UnmanagedType.LPStruct)] DsGuid pTargetFormat,
            [In] long Source,
            [In, MarshalAs(UnmanagedType.LPStruct)] DsGuid pSourceFormat
            );

        [PreserveSig]
        new int SetPositions(
            [In, Out, MarshalAs(UnmanagedType.LPStruct)] DsLong pCurrent,
            [In] AMSeekingSeekingFlags dwCurrentFlags,
            [In, Out, MarshalAs(UnmanagedType.LPStruct)] DsLong pStop,
            [In] AMSeekingSeekingFlags dwStopFlags
            );

        [PreserveSig]
        new int GetPositions(
            [Out] out long pCurrent,
            [Out] out long pStop
            );

        [PreserveSig]
        new int GetAvailable(
            [Out] out long pEarliest,
            [Out] out long pLatest
            );

        [PreserveSig]
        new int SetRate([In] double dRate);

        [PreserveSig]
        new int GetRate([Out] out double pdRate);

        [PreserveSig]
        new int GetPreroll([Out] out long pllPreroll);

        #endregion

        [PreserveSig]
        int SetRateEx(
            [In] double dRate,
            [In] int dwFramesPerSec
            );
    }

    [ComImport,
    Guid("9D2A2563-31AB-402e-9A6B-ADB903489440"),
    InterfaceType(ComInterfaceType.InterfaceIsIUnknown)]
    public interface IStreamBufferDataCounters
    {
        [PreserveSig]
        int GetData([Out] out SBEPinData pPinData);

        [PreserveSig]
        int ResetData();
    }

    #endregion
}