Description: 本文简单介绍了DirectShow技术，研究了利用DirectShow实现视频采集、压缩和网络传输技术。并利用第三方提供的编解码器实现了MPEG-4视频数据的网络传输系统，在该系统中利用RTP协议进行视频数据传输，同时实现了远端帧率的控制。-This article briefly introduce the DirectShow technology, research realize the use of DirectShow video capture, compression and network transmission technology. And make use of third-party codecs realize the MPEG-4 video data transmission system network in the system using RTP protocol for video data transmission, at the same time realize a remote framerate control. Platform: |
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Author:menmen |
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Description: 利用Visual C++进行网络及多媒体(视频/音频)开发的书籍。书中精选了大量的具有商用价值的工程案例，包括视频捕捉系统、视频会议系统和远程视频监控系统的开发技术；网络、多媒体技术的底层实现，如MPEG-4的播放技术、编码技术和解码技术，XvidQP系统的开发等；MP3深入编程技术。另外，还对流行的网络、多媒体开发工具——微软的DirectX9.0进行了介绍，具体包括DirectShow、Direct3D、DirectSound和DirectMusic。在本书的最后一章，详细介绍了基于IBM ViaVoice的语音识别系统在上位机和下位机之间的通信的架构及实现，并给出了系统的关键技术与算法。.
并有每一章节的源代码，可直接编译，非常好的资料
-Using Visual C++ for network and multimedia (video/audio) development books. The book featured a large number of cases with the commercial value of the works, including video capture systems, video conferencing and remote video surveillance system development technology network, the underlying implementation of multimedia technology, such as MPEG-4 playback techniques, coding techniques and decoding technology, XvidQP system development, etc. MP3-depth programming. In addition, the popular Internet, multimedia development tools- Microsoft DirectX9.0 were introduced, specifically including DirectShow, Direct3D, DirectSound and DirectMusic. In the book s final chapter, detailing the IBM ViaVoice speech recognition-based system in the upper and lower machine communication between the structure and implementation, and gives the key technologies and algorithms. .
And have each section of source code, can be directly compiled, very good information
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Author:xtdxlx |
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Description: 运用DirectShow，我们可以很方便地从支持WDM驱动模型的采集卡上捕获数据，并且进行相应的后期处理乃至存储到文件中。它广泛地支持各种媒体格式，包括Asf、Mpeg、Avi、Dv、Mp3、Wave等等，使得多媒体数据的回放变得轻而易举。另外，DirectShow还集成了DirectX其它部分（比如DirectDraw、DirectSound）的技术，直接支持DVD的播放，视频的非线性编辑，以及与数字摄像机的数据交换。-Use DirectShow, we can easily capture data from the capture card WDM driver model support, and post-processing as well as the corresponding stored to a file. It supports a wide range of media formats, including Asf, Mpeg, Avi, Dv, Mp3, Wave, etc., makes the playback of multimedia data a breeze. Further, DirectShow DirectX also integrates other portions (eg DirectDraw, DirectSound) technology, direct support for DVD playback, non-linear editing of the video, and data exchange with the digital camera. Platform: |
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Author:艺玲 |
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Description: C++ MFC OpenCV和MFC的实例，包括界面程序+各种图像处理操作，演示如何在MFC中使用OpenCV，由3部分组成。一、Windows 下用 MFC 编制的程序框架，采用设备无关位图DIB实现Windows多文档模式下图像的显示，实现显示的关键函数StretchDIBits的原型； 二、调用 OpenCV 函数实现处理
使用 OpenCV 函数处理图像在 MFC 环境下显示，实现功能为图像平滑、图像缩小与Canny 边缘检测。三、用 DirectShow 编制的视频采集程序
采用 DirectShow 实现视频采集，其优点是支持高分辨率图像采集，最高分辨率由所用的摄像头决定，如罗技130万像素USB摄像头C300最高分辨率可达1280*1024，在MPEG模式下采集速度为每秒15郑使用时CPU 的时间占用率在15~30 之间-C++ MFC OpenCV and MFC examples, including the interface program+ various image processing operations, demonstrates how to use OpenCV in the MFC, consists of three parts. First, the procedural framework under Windows with MFC prepared using the device-independent bitmap DIB achieve the Windows Multiple Document mode image display, to achieve critical function prototype StretchDIBits display Second, the call processing functions for OpenCV
Image processing functions using OpenCV in the MFC environment shows that achieve functional as image smoothing, image reduction and Canny edge detection. Third, using DirectShow video capture program preparation
Using DirectShow video capture, the advantage is to support high-resolution image capture, the maximum resolution is determined by the use of the camera, such as a 1.3 megapixel Logitech C300 USB camera resolution up to 1280* 1024, in the collection rate for each MPEG mode Zheng 15 seconds time when the CPU occupancy rate is between 15 t Platform: |
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Author:apudn58 |
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Description: • MP4 recording support reimplementation (Directshow)
o Recording behaves just like AVI capture (before conversion AVI->MP4 is needed to produce mp4 file)
o Only x264vfw – H.264/MPEG-4 AVC and XVid MPEG-4 codec are the known video codecs to support MP4 recording
o Most audio codecs supports MP4 recording (tested only those codecs ship along with Windows OS)
-• MP4 recording support reimplementation (Directshow)
o Recording behaves just like AVI capture (before conversion AVI->MP4 is needed to produce mp4 file)
o Only x264vfw – H.264/MPEG-4 AVC and XVid MPEG-4 codec are the known video codecs to support MP4 recording
o Most audio codecs supports MP4 recording (tested only those codecs ship along with Windows OS)
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Author:softweb |
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Description: DirectShow是微软公司在ActiveMovie和Video for Windows的基础上推出的新一代基于COM(Component Object Model)的流媒体处理的开发包，与DirectX开发包一起发布。DirectShow使用一种叫Filter Graph的模型来管理整个数据流的处理过程，运用DirectShow，我们可以很方便地从支持WDM驱动模型的采集卡上捕获数据，并且进行相应的后期处理乃至存储到文件中。这样使在多媒体数据库管理系统(MDBMS)中多媒体数据的存取变得更加方便。它广泛地支持各种媒体格式，包括Asf、Mpeg、Avi、Dv、Mp3、Wave等，为多媒体流的捕捉和回放提供了强有力的支持。(DirectShow is Microsoft Corp's ActiveMovie and Video for Windows based on the launch of a new generation of COM (Component Object Model) streaming media development package, and DirectX development kits released together. The process, DirectShow uses a Filter Graph model to manage the entire data stream using DirectShow, we can easily drive the model from the support WDM card to capture data, and the corresponding post processing and storage to a file. As a result, access to multimedia data becomes more convenient in a multimedia database management system (MDBMS). It supports a wide variety of media formats, including Asf, Mpeg, Avi, Dv, Mp3, Wave and so on. It provides strong support for the capture and playback of multimedia streams.) Platform: |
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Author:手のひらの桜
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