以RDP封包擷取技術為基礎之遠端螢幕錄製系統

Abstract

Microsoft所提供的Remote Desktop Protocol (RDP)讓我們可以透過網路對遠端的電腦進行操作輸入與螢幕顯示。它支援許多節省網路頻寬的機制，例如資料壓縮、點陣圖的快取等等。我們將利用這些特性開發一個遠端螢幕錄製系統。 目前，各式各樣的螢幕錄製軟體充斥，然而，卻都普遍存在儲存空間過大、畫面品質不佳與執行效能低落等問題。相形之下，本論文所提出的遠端螢幕錄製系統將兼具輸出品質與效率。

The Microsoft Remote Desktop Protocol (RDP) is used to control the screen activities of a remote computer. The RDP supports various mechanisms to reduce the amount of data transmitted over low-bandwidth network connection, such as data compression, caching of bitmaps, etc. We are going to use all these features to develop a remote screen recording system. Presently, a variety of screen recording tools are available. However, most of these systems have problems in poor output quality, large storage requirement and low performance. Comparatively, the remote screen recording system we developed produces excellent output quality without significant efficiency reduction.