75 lines
2.6 KiB
C#
75 lines
2.6 KiB
C#
// AForge Direct Show Library
|
|
// AForge.NET framework
|
|
//
|
|
// Copyright © Andrew Kirillov, 2008
|
|
// andrew.kirillov@gmail.com
|
|
//
|
|
|
|
namespace AForge.Video.DirectShow.Internals
|
|
{
|
|
using System;
|
|
using System.Runtime.InteropServices;
|
|
|
|
/// <summary>
|
|
/// This interface sets the output format on certain capture and compression filters,
|
|
/// for both audio and video.
|
|
/// </summary>
|
|
///
|
|
[ComImport,
|
|
Guid( "C6E13340-30AC-11d0-A18C-00A0C9118956" ),
|
|
InterfaceType( ComInterfaceType.InterfaceIsIUnknown )]
|
|
internal interface IAMStreamConfig
|
|
{
|
|
/// <summary>
|
|
/// Set the output format on the pin.
|
|
/// </summary>
|
|
///
|
|
/// <param name="mediaType">Media type to set.</param>
|
|
///
|
|
/// <returns>Return's <b>HRESULT</b> error code.</returns>
|
|
///
|
|
[PreserveSig]
|
|
int SetFormat( [In, MarshalAs( UnmanagedType.LPStruct )] AMMediaType mediaType );
|
|
|
|
/// <summary>
|
|
/// Retrieves the audio or video stream's format.
|
|
/// </summary>
|
|
///
|
|
/// <param name="mediaType">Retrieved media type.</param>
|
|
///
|
|
/// <returns>Return's <b>HRESULT</b> error code.</returns>
|
|
///
|
|
[PreserveSig]
|
|
int GetFormat( [Out, MarshalAs( UnmanagedType.LPStruct )] out AMMediaType mediaType );
|
|
|
|
/// <summary>
|
|
/// Retrieve the number of format capabilities that this pin supports.
|
|
/// </summary>
|
|
///
|
|
/// <param name="count">Variable that receives the number of format capabilities.</param>
|
|
/// <param name="size">Variable that receives the size of the configuration structure in bytes.</param>
|
|
///
|
|
/// <returns>Return's <b>HRESULT</b> error code.</returns>
|
|
///
|
|
[PreserveSig]
|
|
int GetNumberOfCapabilities( out int count, out int size );
|
|
|
|
/// <summary>
|
|
/// Retrieve a set of format capabilities.
|
|
/// </summary>
|
|
///
|
|
/// <param name="index">Specifies the format capability to retrieve, indexed from zero.</param>
|
|
/// <param name="mediaType">Retrieved media type.</param>
|
|
/// <param name="streamConfigCaps">Byte array, which receives information about capabilities.</param>
|
|
///
|
|
/// <returns>Return's <b>HRESULT</b> error code.</returns>
|
|
///
|
|
[PreserveSig]
|
|
int GetStreamCaps(
|
|
[In] int index,
|
|
[Out, MarshalAs( UnmanagedType.LPStruct )] out AMMediaType mediaType,
|
|
[In, MarshalAs( UnmanagedType.LPStruct )] VideoStreamConfigCaps streamConfigCaps
|
|
);
|
|
}
|
|
}
|