208 lines
8.6 KiB
C#
208 lines
8.6 KiB
C#
using System;
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using System.Runtime.InteropServices;
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using System.Text;
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using NAudio.CoreAudioApi.Interfaces;
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namespace NAudio.MediaFoundation
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{
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/// <summary>
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/// IMFMediaEvent - Represents an event generated by a Media Foundation object. Use this interface to get information about the event.
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/// http://msdn.microsoft.com/en-us/library/windows/desktop/ms702249%28v=vs.85%29.aspx
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/// Mfobjects.h
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/// </summary>
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[ComImport, InterfaceType(ComInterfaceType.InterfaceIsIUnknown), Guid("DF598932-F10C-4E39-BBA2-C308F101DAA3")]
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public interface IMFMediaEvent : IMFAttributes
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{
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/// <summary>
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/// Retrieves the value associated with a key.
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/// </summary>
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new void GetItem([In, MarshalAs(UnmanagedType.LPStruct)] Guid guidKey, [In, Out] IntPtr pValue);
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/// <summary>
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/// Retrieves the data type of the value associated with a key.
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/// </summary>
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new void GetItemType([In, MarshalAs(UnmanagedType.LPStruct)] Guid guidKey, out int pType);
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/// <summary>
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/// Queries whether a stored attribute value equals a specified PROPVARIANT.
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/// </summary>
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new void CompareItem([In, MarshalAs(UnmanagedType.LPStruct)] Guid guidKey, IntPtr value, [MarshalAs(UnmanagedType.Bool)] out bool pbResult);
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/// <summary>
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/// Compares the attributes on this object with the attributes on another object.
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/// </summary>
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new void Compare([MarshalAs(UnmanagedType.Interface)] IMFAttributes pTheirs, int matchType, [MarshalAs(UnmanagedType.Bool)] out bool pbResult);
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/// <summary>
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/// Retrieves a UINT32 value associated with a key.
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/// </summary>
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new void GetUINT32([In, MarshalAs(UnmanagedType.LPStruct)] Guid guidKey, out int punValue);
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/// <summary>
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/// Retrieves a UINT64 value associated with a key.
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/// </summary>
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new void GetUINT64([In, MarshalAs(UnmanagedType.LPStruct)] Guid guidKey, out long punValue);
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/// <summary>
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/// Retrieves a double value associated with a key.
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/// </summary>
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new void GetDouble([In, MarshalAs(UnmanagedType.LPStruct)] Guid guidKey, out double pfValue);
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/// <summary>
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/// Retrieves a GUID value associated with a key.
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/// </summary>
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new void GetGUID([In, MarshalAs(UnmanagedType.LPStruct)] Guid guidKey, out Guid pguidValue);
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/// <summary>
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/// Retrieves the length of a string value associated with a key.
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/// </summary>
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new void GetStringLength([In, MarshalAs(UnmanagedType.LPStruct)] Guid guidKey, out int pcchLength);
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/// <summary>
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/// Retrieves a wide-character string associated with a key.
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/// </summary>
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new void GetString([In, MarshalAs(UnmanagedType.LPStruct)] Guid guidKey, [Out, MarshalAs(UnmanagedType.LPWStr)] StringBuilder pwszValue, int cchBufSize,
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out int pcchLength);
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/// <summary>
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/// Retrieves a wide-character string associated with a key. This method allocates the memory for the string.
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/// </summary>
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new void GetAllocatedString([In, MarshalAs(UnmanagedType.LPStruct)] Guid guidKey, [MarshalAs(UnmanagedType.LPWStr)] out string ppwszValue,
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out int pcchLength);
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/// <summary>
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/// Retrieves the length of a byte array associated with a key.
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/// </summary>
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new void GetBlobSize([In, MarshalAs(UnmanagedType.LPStruct)] Guid guidKey, out int pcbBlobSize);
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/// <summary>
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/// Retrieves a byte array associated with a key.
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/// </summary>
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new void GetBlob([In, MarshalAs(UnmanagedType.LPStruct)] Guid guidKey, [Out, MarshalAs(UnmanagedType.LPArray)] byte[] pBuf, int cbBufSize,
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out int pcbBlobSize);
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/// <summary>
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/// Retrieves a byte array associated with a key. This method allocates the memory for the array.
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/// </summary>
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new void GetAllocatedBlob([In, MarshalAs(UnmanagedType.LPStruct)] Guid guidKey, out IntPtr ip, out int pcbSize);
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/// <summary>
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/// Retrieves an interface pointer associated with a key.
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/// </summary>
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new void GetUnknown([In, MarshalAs(UnmanagedType.LPStruct)] Guid guidKey, [In, MarshalAs(UnmanagedType.LPStruct)] Guid riid,
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[MarshalAs(UnmanagedType.IUnknown)] out object ppv);
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/// <summary>
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/// Associates an attribute value with a key.
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/// </summary>
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new void SetItem([In, MarshalAs(UnmanagedType.LPStruct)] Guid guidKey, IntPtr value);
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/// <summary>
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/// Removes a key/value pair from the object's attribute list.
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/// </summary>
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new void DeleteItem([In, MarshalAs(UnmanagedType.LPStruct)] Guid guidKey);
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/// <summary>
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/// Removes all key/value pairs from the object's attribute list.
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/// </summary>
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new void DeleteAllItems();
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/// <summary>
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/// Associates a UINT32 value with a key.
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/// </summary>
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new void SetUINT32([In, MarshalAs(UnmanagedType.LPStruct)] Guid guidKey, int unValue);
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/// <summary>
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/// Associates a UINT64 value with a key.
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/// </summary>
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new void SetUINT64([In, MarshalAs(UnmanagedType.LPStruct)] Guid guidKey, long unValue);
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/// <summary>
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/// Associates a double value with a key.
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/// </summary>
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new void SetDouble([In, MarshalAs(UnmanagedType.LPStruct)] Guid guidKey, double fValue);
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/// <summary>
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/// Associates a GUID value with a key.
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/// </summary>
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new void SetGUID([In, MarshalAs(UnmanagedType.LPStruct)] Guid guidKey, [In, MarshalAs(UnmanagedType.LPStruct)] Guid guidValue);
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/// <summary>
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/// Associates a wide-character string with a key.
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/// </summary>
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new void SetString([In, MarshalAs(UnmanagedType.LPStruct)] Guid guidKey, [In, MarshalAs(UnmanagedType.LPWStr)] string wszValue);
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/// <summary>
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/// Associates a byte array with a key.
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/// </summary>
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new void SetBlob([In, MarshalAs(UnmanagedType.LPStruct)] Guid guidKey, [In, MarshalAs(UnmanagedType.LPArray, SizeParamIndex = 2)] byte[] pBuf,
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int cbBufSize);
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/// <summary>
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/// Associates an IUnknown pointer with a key.
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/// </summary>
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new void SetUnknown([MarshalAs(UnmanagedType.LPStruct)] Guid guidKey, [In, MarshalAs(UnmanagedType.IUnknown)] object pUnknown);
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/// <summary>
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/// Locks the attribute store so that no other thread can access it.
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/// </summary>
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new void LockStore();
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/// <summary>
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/// Unlocks the attribute store.
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/// </summary>
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new void UnlockStore();
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/// <summary>
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/// Retrieves the number of attributes that are set on this object.
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/// </summary>
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new void GetCount(out int pcItems);
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/// <summary>
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/// Retrieves an attribute at the specified index.
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/// </summary>
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new void GetItemByIndex(int unIndex, out Guid pGuidKey, [In, Out] IntPtr pValue);
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/// <summary>
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/// Copies all of the attributes from this object into another attribute store.
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/// </summary>
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new void CopyAllItems([In, MarshalAs(UnmanagedType.Interface)] IMFAttributes pDest);
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/// <summary>
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/// Retrieves the event type.
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/// </summary>
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/// <remarks>
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/// virtual HRESULT STDMETHODCALLTYPE GetType(
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/// /* [out] */ __RPC__out MediaEventType *pmet) = 0;
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/// </remarks>
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void GetType([Out] out MediaEventType pmet);
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/// <summary>
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/// Retrieves the extended type of the event.
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/// </summary>
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/// <remarks>
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/// virtual HRESULT STDMETHODCALLTYPE GetExtendedType(
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/// /* [out] */ __RPC__out GUID *pguidExtendedType) = 0;
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/// </remarks>
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void GetExtendedType([Out] out Guid pguidExtendedType);
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/// <summary>
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/// Retrieves an HRESULT that specifies the event status.
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/// </summary>
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/// <remarks>
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/// virtual HRESULT STDMETHODCALLTYPE GetStatus(
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/// /* [out] */ __RPC__out HRESULT *phrStatus) = 0;
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/// </remarks>
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void GetStatus([MarshalAs(UnmanagedType.Error)] out int phrStatus);
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/// <summary>
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/// Retrieves the value associated with the event, if any.
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/// </summary>
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/// <remarks>
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/// virtual HRESULT STDMETHODCALLTYPE GetValue(
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/// /* [out] */ __RPC__out PROPVARIANT *pvValue) = 0;
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/// </remarks>
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void GetValue([Out]IntPtr pvValue);
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}
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}
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