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C# Windows Media Format SDK Translation

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9 May 20047 min read 814.7K   3K   134  
In this article, I describe a translation of most of the WMF SDK interfaces, data structures, constants, and functions into C#.
 
//Widows Media Format Interfaces
//
//  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. IT CAN BE DISTRIBUTED FREE OF CHARGE AS LONG AS THIS HEADER 
//  REMAINS UNCHANGED.
//
//  Email:  yetiicb@hotmail.com
//
//  Copyright (C) 2002-2004 Idael Cardoso. 
//
using System;
using System.Text;
using System.Runtime.InteropServices;

namespace Yeti.WMFSdk
{
  [ComImport]
  [Guid("96406BDC-2B2B-11d3-B36B-00C04F6108FF")]
  [InterfaceType(ComInterfaceType.InterfaceIsIUnknown)]
  public interface IWMStreamConfig 
  {
    void GetStreamType( [Out] out Guid pguidStreamType );
    void GetStreamNumber( [Out] out ushort pwStreamNum );
    void SetStreamNumber( [In] ushort wStreamNum );
    void GetStreamName( [Out, MarshalAs(UnmanagedType.LPWStr)] StringBuilder pwszStreamName,
                        [In, Out] ref ushort pcchStreamName );
    void SetStreamName( [In, MarshalAs(UnmanagedType.LPWStr)] string pwszStreamName );
    void GetConnectionName( [Out, MarshalAs(UnmanagedType.LPWStr)] StringBuilder pwszInputName,
                            [In, Out] ref ushort pcchInputName );
    void SetConnectionName( [In, MarshalAs(UnmanagedType.LPWStr)] string pwszInputName );
    void GetBitrate( [Out] out uint pdwBitrate );
    void SetBitrate( [In] uint pdwBitrate );
    void GetBufferWindow( [Out] out uint pmsBufferWindow );
    void SetBufferWindow( [In] uint msBufferWindow );
  };

  [ComImport]
  [Guid("7688D8CB-FC0D-43BD-9459-5A8DEC200CFA")]
  [InterfaceType(ComInterfaceType.InterfaceIsIUnknown)]
  public interface IWMStreamConfig2 : IWMStreamConfig
  {
    //IWMStreamConfig
    new void GetStreamType( [Out] out Guid pguidStreamType );
    new void GetStreamNumber( [Out] out ushort pwStreamNum );
    new void SetStreamNumber( [In] ushort wStreamNum );
    new void GetStreamName( [Out, MarshalAs(UnmanagedType.LPWStr)] StringBuilder pwszStreamName,
      [In, Out] ref ushort pcchStreamName );
    new void SetStreamName( [In, MarshalAs(UnmanagedType.LPWStr)] string pwszStreamName );
    new void GetConnectionName( [Out, MarshalAs(UnmanagedType.LPWStr)] StringBuilder pwszInputName,
      [In, Out] ref ushort pcchInputName );
    new void SetConnectionName( [In, MarshalAs(UnmanagedType.LPWStr)] string pwszInputName );
    new void GetBitrate( [Out] out uint pdwBitrate );
    new void SetBitrate( [In] uint pdwBitrate );
    new void GetBufferWindow( [Out] out uint pmsBufferWindow );
    new void SetBufferWindow( [In] uint msBufferWindow );
    //IWMStreamConfig2
    void GetTransportType ([Out] out WMT_TRANSPORT_TYPE pnTransportType);
    void SetTransportType([In] WMT_TRANSPORT_TYPE nTransportType);
    void AddDataUnitExtension([In] Guid guidExtensionSystemID,
                              [In] ushort cbExtensionDataSize,
                              [In, MarshalAs(UnmanagedType.LPArray, SizeParamIndex=3)] byte[] pbExtensionSystemInfo,
                              [In] uint cbExtensionSystemInfo );

    void GetDataUnitExtensionCount( [Out] out ushort pcDataUnitExtensions );
    void GetDataUnitExtension( [In] uint wDataUnitExtensionNumber,
                               [Out] out Guid pguidExtensionSystemID,
                               [Out] out ushort pcbExtensionDataSize,
                               /*[out, size_is( *pcbExtensionSystemInfo )]*/ IntPtr pbExtensionSystemInfo,
                               [In, Out] ref uint pcbExtensionSystemInfo );
    void RemoveAllDataUnitExtensions();
  }

  [ComImport]
  [Guid("CB164104-3AA9-45a7-9AC9-4DAEE131D6E1")]
  [InterfaceType(ComInterfaceType.InterfaceIsIUnknown)]
  public interface IWMStreamConfig3 : IWMStreamConfig2
  {
    //IWMStreamConfig
    new void GetStreamType( [Out] out Guid pguidStreamType );
    new void GetStreamNumber( [Out] out ushort pwStreamNum );
    new void SetStreamNumber( [In] ushort wStreamNum );
    new void GetStreamName( [Out, MarshalAs(UnmanagedType.LPWStr)] StringBuilder pwszStreamName,
      [In, Out] ref ushort pcchStreamName );
    new void SetStreamName( [In, MarshalAs(UnmanagedType.LPWStr)] string pwszStreamName );
    new void GetConnectionName( [Out, MarshalAs(UnmanagedType.LPWStr)] StringBuilder pwszInputName,
      [In, Out] ref ushort pcchInputName );
    new void SetConnectionName( [In, MarshalAs(UnmanagedType.LPWStr)] string pwszInputName );
    new void GetBitrate( [Out] out uint pdwBitrate );
    new void SetBitrate( [In] uint pdwBitrate );
    new void GetBufferWindow( [Out] out uint pmsBufferWindow );
    new void SetBufferWindow( [In] uint msBufferWindow );
    //IWMStreamConfig2
    new void GetTransportType ([Out] out WMT_TRANSPORT_TYPE pnTransportType);
    new void SetTransportType([In] WMT_TRANSPORT_TYPE nTransportType);
    new void AddDataUnitExtension([In] Guid guidExtensionSystemID,
      [In] ushort cbExtensionDataSize,
      [In, MarshalAs(UnmanagedType.LPArray, SizeParamIndex=3)] byte[] pbExtensionSystemInfo,
      [In] uint cbExtensionSystemInfo );

    new void GetDataUnitExtensionCount( [Out] out ushort pcDataUnitExtensions );
    new void GetDataUnitExtension( [In] uint wDataUnitExtensionNumber,
      [Out] out Guid pguidExtensionSystemID,
      [Out] out ushort pcbExtensionDataSize,
      /*[out, size_is( *pcbExtensionSystemInfo )]*/ IntPtr pbExtensionSystemInfo,
      [In, Out] ref uint pcbExtensionSystemInfo );
    new void RemoveAllDataUnitExtensions();
    //IWMStreamConfig3
    void GetLanguage( [Out, MarshalAs(UnmanagedType.LPWStr)] StringBuilder pwszLanguageString,
                      [In, Out] ref ushort pcchLanguageStringLength );
    void SetLanguage( [In, MarshalAs(UnmanagedType.LPWStr)] string pwszLanguageString );
  }
  
  [ComImport]
  [Guid("96406BDB-2B2B-11d3-B36B-00C04F6108FF")]
  [InterfaceType(ComInterfaceType.InterfaceIsIUnknown)]
  public interface IWMProfile
  {
    void GetVersion( [Out] out WMT_VERSION pdwVersion );
    void GetName( [Out, MarshalAs(UnmanagedType.LPWStr)] StringBuilder pwszName,
                  [In, Out] ref uint pcchName );
    void SetName( [In, MarshalAs(UnmanagedType.LPWStr)] string pwszName );
    void GetDescription( [Out, MarshalAs(UnmanagedType.LPWStr)] StringBuilder pwszDescription,
                         [In, Out] ref uint pcchDescription );
    void SetDescription( [In, MarshalAs(UnmanagedType.LPWStr)] string pwszDescription );
    void GetStreamCount( [Out] out uint pcStreams );
    void GetStream( [In] uint dwStreamIndex, [Out, MarshalAs(UnmanagedType.Interface)] out IWMStreamConfig ppConfig );
    void GetStreamByNumber( [In] ushort wStreamNum, [Out, MarshalAs(UnmanagedType.Interface)] out IWMStreamConfig ppConfig );
    void RemoveStream( [In, MarshalAs(UnmanagedType.Interface)] IWMStreamConfig pConfig );
    void RemoveStreamByNumber( [In] ushort wStreamNum );
    void AddStream( [In, MarshalAs(UnmanagedType.Interface)] IWMStreamConfig pConfig );
    void ReconfigStream( [In, MarshalAs(UnmanagedType.Interface)] IWMStreamConfig pConfig );
    void CreateNewStream( [In] ref Guid guidStreamType,
                          [Out, MarshalAs(UnmanagedType.Interface)] out IWMStreamConfig ppConfig );
    void GetMutualExclusionCount( [Out] out uint pcME );
    void GetMutualExclusion( [In] uint dwMEIndex, 
                             [Out, MarshalAs(UnmanagedType.Interface)] out IWMMutualExclusion ppME );
    void RemoveMutualExclusion( [In, MarshalAs(UnmanagedType.Interface)] IWMMutualExclusion pME );
    void AddMutualExclusion( [In, MarshalAs(UnmanagedType.Interface)] IWMMutualExclusion pME );
    void CreateNewMutualExclusion( [Out, MarshalAs(UnmanagedType.Interface)] out IWMMutualExclusion ppME );
  }

  [ComImport]
  [Guid("d16679f2-6ca0-472d-8d31-2f5d55aee155")]
  [InterfaceType(ComInterfaceType.InterfaceIsIUnknown)]
  public interface IWMProfileManager 
  {
    void CreateEmptyProfile( [In] WMT_VERSION dwVersion,
                             [Out, MarshalAs(UnmanagedType.Interface)] out IWMProfile ppProfile );
    void LoadProfileByID( [In] ref Guid guidProfile,
                          [Out, MarshalAs(UnmanagedType.Interface)] out IWMProfile ppProfile );
    void LoadProfileByData( [In, MarshalAs(UnmanagedType.LPWStr)] string pwszProfile,
                            [Out, MarshalAs(UnmanagedType.Interface)] out IWMProfile ppProfile );
    void SaveProfile( [In, MarshalAs(UnmanagedType.Interface)] IWMProfile pIWMProfile,
                      [Out, MarshalAs(UnmanagedType.LPWStr)] StringBuilder pwszProfile,
                      [In, Out] ref uint pdwLength );
    void GetSystemProfileCount( [Out] out uint pcProfiles );
    void LoadSystemProfile( [In] uint dwProfileIndex,
                            [Out, MarshalAs(UnmanagedType.Interface)] out IWMProfile ppProfile );
  }

  [ComImport]
  [Guid("7A924E51-73C1-494d-8019-23D37ED9B89A")]
  [InterfaceType(ComInterfaceType.InterfaceIsIUnknown)]
  public interface IWMProfileManager2 : IWMProfileManager
  {
    //IWMProfileManager
    new void CreateEmptyProfile( [In] WMT_VERSION dwVersion,
      [Out, MarshalAs(UnmanagedType.Interface)] out IWMProfile ppProfile );
    new void LoadProfileByID( [In] ref Guid guidProfile,
      [Out, MarshalAs(UnmanagedType.Interface)] out IWMProfile ppProfile );
    new void LoadProfileByData( [In, MarshalAs(UnmanagedType.LPWStr)] string pwszProfile,
      [Out, MarshalAs(UnmanagedType.Interface)] out IWMProfile ppProfile );
    new void SaveProfile( [In, MarshalAs(UnmanagedType.Interface)] IWMProfile pIWMProfile,
      [Out, MarshalAs(UnmanagedType.LPWStr)] StringBuilder pwszProfile,
      [In, Out] ref uint pdwLength );
    new void GetSystemProfileCount( [Out] out uint pcProfiles );
    new void LoadSystemProfile( [In] uint dwProfileIndex,
      [Out, MarshalAs(UnmanagedType.Interface)] out IWMProfile ppProfile );
    //IWMProfileManager2
    void GetSystemProfileVersion( [Out] out WMT_VERSION pdwVersion );
    void SetSystemProfileVersion( [In] WMT_VERSION dwVersion );
  }

  [ComImport]
  [Guid("BA4DCC78-7EE0-4ab8-B27A-DBCE8BC51454")]
  [InterfaceType(ComInterfaceType.InterfaceIsIUnknown)]
  public interface IWMProfileManagerLanguage
  {
    void GetUserLanguageID( [Out] out ushort wLangID );
    void SetUserLanguageID( [In] ushort wLangID );
  };

  [ComImport]
  [Guid("07E72D33-D94E-4be7-8843-60AE5FF7E5F5")]
  [InterfaceType(ComInterfaceType.InterfaceIsIUnknown)]
  public interface IWMProfile2 : IWMProfile
  {
    //IWMProfile
    new void GetVersion( [Out] out WMT_VERSION pdwVersion );
    new void GetName( [Out, MarshalAs(UnmanagedType.LPWStr)] StringBuilder pwszName,
      [In, Out] ref uint pcchName );
    new void SetName( [In, MarshalAs(UnmanagedType.LPWStr)] string pwszName );
    new void GetDescription( [Out, MarshalAs(UnmanagedType.LPWStr)] StringBuilder pwszDescription,
      [In, Out] ref uint pcchDescription );
    new void SetDescription( [In, MarshalAs(UnmanagedType.LPWStr)] string pwszDescription );
    new void GetStreamCount( [Out] out uint pcStreams );
    new void GetStream( [In] uint dwStreamIndex, [Out, MarshalAs(UnmanagedType.Interface)] out IWMStreamConfig ppConfig );
    new void GetStreamByNumber( [In] ushort wStreamNum, [Out, MarshalAs(UnmanagedType.Interface)] out IWMStreamConfig ppConfig );
    new void RemoveStream( [In, MarshalAs(UnmanagedType.Interface)] IWMStreamConfig pConfig );
    new void RemoveStreamByNumber( [In] ushort wStreamNum );
    new void AddStream( [In, MarshalAs(UnmanagedType.Interface)] IWMStreamConfig pConfig );
    new void ReconfigStream( [In, MarshalAs(UnmanagedType.Interface)] IWMStreamConfig pConfig );
    new void CreateNewStream( [In] ref Guid guidStreamType,
      [Out, MarshalAs(UnmanagedType.Interface)] out IWMStreamConfig ppConfig );
    new void GetMutualExclusionCount( [Out] out uint pcME );
    new void GetMutualExclusion( [In] uint dwMEIndex, 
      [Out, MarshalAs(UnmanagedType.Interface)] out IWMMutualExclusion ppME );
    new void RemoveMutualExclusion( [In, MarshalAs(UnmanagedType.Interface)] IWMMutualExclusion pME );
    new void AddMutualExclusion( [In, MarshalAs(UnmanagedType.Interface)] IWMMutualExclusion pME );
    new void CreateNewMutualExclusion( [Out, MarshalAs(UnmanagedType.Interface)] out IWMMutualExclusion ppME );
    //IWMProfile2
    void GetProfileID( [Out] out Guid pguidID );
  }

  [ComImport]
  [Guid("00EF96CC-A461-4546-8BCD-C9A28F0E06F5")]
  [InterfaceType(ComInterfaceType.InterfaceIsIUnknown)]
  public interface IWMProfile3 : IWMProfile2
  {
    //IWMProfile
    new void GetVersion( [Out] out WMT_VERSION pdwVersion );
    new void GetName( [Out, MarshalAs(UnmanagedType.LPWStr)] StringBuilder pwszName,
      [In, Out] ref uint pcchName );
    new void SetName( [In, MarshalAs(UnmanagedType.LPWStr)] string pwszName );
    new void GetDescription( [Out, MarshalAs(UnmanagedType.LPWStr)] StringBuilder pwszDescription,
      [In, Out] ref uint pcchDescription );
    new void SetDescription( [In, MarshalAs(UnmanagedType.LPWStr)] string pwszDescription );
    new void GetStreamCount( [Out] out uint pcStreams );
    new void GetStream( [In] uint dwStreamIndex, [Out, MarshalAs(UnmanagedType.Interface)] out IWMStreamConfig ppConfig );
    new void GetStreamByNumber( [In] ushort wStreamNum, [Out, MarshalAs(UnmanagedType.Interface)] out IWMStreamConfig ppConfig );
    new void RemoveStream( [In, MarshalAs(UnmanagedType.Interface)] IWMStreamConfig pConfig );
    new void RemoveStreamByNumber( [In] ushort wStreamNum );
    new void AddStream( [In, MarshalAs(UnmanagedType.Interface)] IWMStreamConfig pConfig );
    new void ReconfigStream( [In, MarshalAs(UnmanagedType.Interface)] IWMStreamConfig pConfig );
    new void CreateNewStream( [In] ref Guid guidStreamType,
      [Out, MarshalAs(UnmanagedType.Interface)] out IWMStreamConfig ppConfig );
    new void GetMutualExclusionCount( [Out] out uint pcME );
    new void GetMutualExclusion( [In] uint dwMEIndex, 
      [Out, MarshalAs(UnmanagedType.Interface)] out IWMMutualExclusion ppME );
    new void RemoveMutualExclusion( [In, MarshalAs(UnmanagedType.Interface)] IWMMutualExclusion pME );
    new void AddMutualExclusion( [In, MarshalAs(UnmanagedType.Interface)] IWMMutualExclusion pME );
    new void CreateNewMutualExclusion( [Out, MarshalAs(UnmanagedType.Interface)] out IWMMutualExclusion ppME );
    //IWMProfile2
    new void GetProfileID( [Out] out Guid pguidID );
    //IWMProfile3
    void GetStorageFormat([Out] out WMT_STORAGE_FORMAT pnStorageFormat);
    void SetStorageFormat([In] WMT_STORAGE_FORMAT nStorageFormat);
    void GetBandwidthSharingCount( [Out] out uint pcBS );
    void GetBandwidthSharing( [In] uint dwBSIndex,
                              [Out, MarshalAs(UnmanagedType.Interface)] out IWMBandwidthSharing ppBS );
    void RemoveBandwidthSharing( [In, MarshalAs(UnmanagedType.Interface)] IWMBandwidthSharing pBS );
    void AddBandwidthSharing( [In, MarshalAs(UnmanagedType.Interface)] IWMBandwidthSharing pBS );
    void CreateNewBandwidthSharing( [Out, MarshalAs(UnmanagedType.Interface)] out IWMBandwidthSharing ppBS );
    void GetStreamPrioritization( [Out, MarshalAs(UnmanagedType.Interface)] out IWMStreamPrioritization ppSP );
    void SetStreamPrioritization( [In, MarshalAs(UnmanagedType.Interface)] IWMStreamPrioritization pSP );
    void RemoveStreamPrioritization();
    void CreateNewStreamPrioritization( [Out, MarshalAs(UnmanagedType.Interface)] out IWMStreamPrioritization ppSP);
    void GetExpectedPacketCount( [In] ulong msDuration, [Out] out ulong pcPackets );
  }
}

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Written By
Idael Cardoso
Web Developer
France France
This member has not yet provided a Biography. Assume it's interesting and varied, and probably something to do with programming.

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Posted 22 Apr 2004

Article Copyright 2004 by Idael Cardoso
Everything else Copyright © CodeProject, 1999-2024

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