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QEdit.cs
Package: capsample_src.zip　[view]
Upload User: wuming6209
Upload Date: 2013-06-06
Package Size: 161k
Code Size: 3k
Category:

Video Capture

Development Platform:

Visual C++

QEdit.cs：Code Content
  1. /******************************************************
  2.                   DirectShow .NET
  3.       netmaster@swissonline.ch
  4. *******************************************************/
  5. // QEdit
  6. // Extended streaming interfaces, ported from qedit.idl
  8. using System;
  9. using System.Runtime.InteropServices;
  11. namespace DShowNET
  12. {
  16. [ComVisible(true), ComImport,
  17. Guid("6B652FFF-11FE-4fce-92AD-0266B5D7C78F"),
  18. InterfaceType( ComInterfaceType.InterfaceIsIUnknown )]
  19. public interface ISampleGrabber
  20. {
  21. [PreserveSig]
  22. int SetOneShot(
  23. [In, MarshalAs(UnmanagedType.Bool)] bool OneShot );
  25. [PreserveSig]
  26. int SetMediaType(
  27. [In, MarshalAs(UnmanagedType.LPStruct)] AMMediaType pmt );
  29. [PreserveSig]
  30. int GetConnectedMediaType(
  31. [Out, MarshalAs(UnmanagedType.LPStruct)] AMMediaType pmt );
  33. [PreserveSig]
  34. int SetBufferSamples(
  35. [In, MarshalAs(UnmanagedType.Bool)] bool BufferThem );
  37. [PreserveSig]
  38. int GetCurrentBuffer( ref int pBufferSize, IntPtr pBuffer );
  40. [PreserveSig]
  41. int GetCurrentSample( IntPtr ppSample );
  43. [PreserveSig]
  44. int SetCallback( ISampleGrabberCB pCallback, int WhichMethodToCallback );
  45. }
  49. [ComVisible(true), ComImport,
  50. Guid("0579154A-2B53-4994-B0D0-E773148EFF85"),
  51. InterfaceType( ComInterfaceType.InterfaceIsIUnknown )]
  52. public interface ISampleGrabberCB
  53. {
  54. [PreserveSig]
  55. int SampleCB( double SampleTime, IMediaSample pSample );
  57. [PreserveSig]
  58. int BufferCB( double SampleTime, IntPtr pBuffer, int BufferLen );
  59. }
  63. [StructLayout(LayoutKind.Sequential), ComVisible(false)]
  64. public class VideoInfoHeader // VIDEOINFOHEADER
  65. {
  66. public DsRECT SrcRect;
  67. public DsRECT TargetRect;
  68. public int BitRate;
  69. public int BitErrorRate;
  70. public long AvgTimePerFrame;
  71. public BitmapInfoHeader BmiHeader;
  72. }
  74. [StructLayout(LayoutKind.Sequential), ComVisible(false)]
  75. public class VideoInfoHeader2 // VIDEOINFOHEADER2
  76. {
  77. public DsRECT SrcRect;
  78. public DsRECT TargetRect;
  79. public int BitRate;
  80. public int BitErrorRate;
  81. public long AvgTimePerFrame;
  82. public int InterlaceFlags;
  83. public int CopyProtectFlags;
  84. public int PictAspectRatioX; 
  85. public int PictAspectRatioY; 
  86. public int ControlFlags;
  87. public int              Reserved2;
  88. public BitmapInfoHeader BmiHeader;
  89. };
  92. [StructLayout(LayoutKind.Sequential), ComVisible(false)]
  93. public class WaveFormatEx
  94. {
  95. public short wFormatTag;
  96. public short nChannels;
  97. public int nSamplesPerSec;
  98. public int nAvgBytesPerSec;
  99. public short nBlockAlign;
  100. public short wBitsPerSample;
  101. public short cbSize;
  102. }
  104. } // namespace DShowNET