| 基于Delphi的屏幕录像实现 |
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| 引用本文： | 邹瑛. 基于Delphi的屏幕录像实现[J]. 信息安全与通信保密, 2011, 9(7): 48-50 |
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| 作者姓名： | 邹瑛 |
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| 作者单位： | 四川司法警官职业学院司法信息管理系,四川德阳,618000 |
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| 摘 要： | 这里详述了屏幕录像的基本原理和屏幕录像方式：当前活动窗体录像、全屏录像和自由指定区域录像的位图获取方式;对MPEG4编码基本原理及视频流结构进行了分析,基于Delphi面向对象编程思想设计了一个MPEG4编码器,可完成I帧与P帧模式的图像编码;按一定的帧率将获取的屏幕位图数据经MPEG4编码器压缩后得到MPEG4视频流,写入到录像文件,经测试,录制效果良好,可清晰流畅播放。
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| 关 键 词： | 屏幕录像 MPEG4 编码器 视频流 Delphi |
Implementation of Screen Record Based on Delphi |
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| ZOU Ying. Implementation of Screen Record Based on Delphi[J]. China Information Security, 2011, 9(7): 48-50 |
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| Authors: | ZOU Ying |
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| Affiliation: | ZOU Ying (Judicial Information Management Department,Sichuan Judicial and Police Officers Professional College,Deyang Sichuan 618000,China) |
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| Abstract: | The basic principle and method of screen record are described,including current active window record,full screen record and bitmap capture method for freely designated area record. The basic principle of MPEG4 encoding and the structure of video data stre |
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| Keywords: | screen record MPEG4 encoder video stream Delphi |
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