Contrast_video
所属分类：视频捕捉采集剪辑
开发工具：Visual C++
文件大小：2083KB
下载次数：11
上传日期：2007-05-31 02:27:17
上 传 者：
zhiqiang_chen1
说明： 把一个带有颜色的视频文件通过directshwo变为一个可调节颜色对比度的视频
(put with a color video files through directshwo into an adjustable color contrast Video)
文件列表:
Contrast\contprop.aps (37508, 1999-05-31)
Contrast\contprop.cpp (6361, 2002-11-12)
Contrast\contprop.h (1247, 2002-11-12)
Contrast\contprop.rc (2266, 2002-11-12)
Contrast\contrast.cpp (21596, 2002-11-12)
Contrast\contrast.def (495, 2002-11-12)
Contrast\contrast.dsp (11585, 2002-11-12)
Contrast\contrast.dsw (539, 2002-11-12)
Contrast\contrast.h (2844, 2002-11-12)
Contrast\contrast.ncb (58368, 1999-05-31)
Contrast\contrast.opt (52736, 1999-05-31)
Contrast\contrast.plg (2048, 2007-05-08)
Contrast\contrast.sln (1338, 2002-11-12)
Contrast\contrast.vcproj (10219, 2002-11-12)
Contrast\contuids.h (722, 2002-11-12)
Contrast\Debug_Unicode\contprop.obj (36739, 2007-05-08)
Contrast\Debug_Unicode\contprop.res (1328, 2007-05-08)
Contrast\Debug_Unicode\Contrast.ax (1495040, 2007-05-08)
Contrast\Debug_Unicode\Contrast.exp (1108, 2007-05-08)
Contrast\Debug_Unicode\Contrast.lib (1762, 2007-05-08)
Contrast\Debug_Unicode\contrast.obj (59329, 2007-05-08)
Contrast\Debug_Unicode\contrast.pch (5792396, 2007-05-08)
Contrast\Debug_Unicode\vc60.pdb (225280, 2007-05-08)
Contrast\icontrst.h (1164, 2002-11-12)
Contrast\resource.h (708, 2002-11-12)
Contrast\Debug_Unicode (0, 2007-05-08)
Contrast (0, 1999-05-31)
//-----------------------------------------------------------------------------
// Name: DirectShow Sample -- Contrast Filter
//
// Copyright (c) Microsoft Corporation. All rights reserved.
//-----------------------------------------------------------------------------
Description
===========
Video transform filter that implements a contrast effect.
This sample illustrates how to define and implement a simple
custom interface. It also demonstrates how to use the
CTransformFilter class to implement a simple effect filter.
Path
====
Source: \Samples\C++\DirectShow\Filters\Contrast
User's Guide
============
The Contrast filter is a simple transform filter that adjusts
the contrast of the video stream that is passed through it.
It provides a custom interface for adjusting the contrast.
The Contrast filter also uses the CBasePropertyPage class to
provide a property page for applications that do not provide
a user interface.
The Contrast filter adjusts the contrast by using a trick with
palettes. The color palette of an image effectively determines
how the image is interpreted. By changing the palette, the filter
can change the contrast without changing the image pixels themselves.
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