video conferencing codec

In my experience, video conferencing is divided into two modes: mesh model, star type1. Mesh modelThe so-called mesh model is a point-to-point connection for every two people who attend the conference.For example: A meeting room with three people a,b,c based on a network model, this is required:1, A and b establish a connection2, B and C establish the connection3, A and C establish a connectionSuch a three-

Flash production online video conferencing program Package {Import Flash.display.Sprite;Import flash.net.NetConnection;Import Flash.net.NetStream;Import flash.events.NetStatusEvent;Import Flash.media.Video;Import Flash.media.Camera;Import flash.events.ActivityEvent; public class VideoChat extends Sprite{[SwF (backgroundcolor= ' 0xdedede ', framerate= ', width= ', height= ' 512 ')]//set SWF parameterspriva

be copied and pastedWhen you run the BigBlueButton virtual machine, you cannot use the Clipboard in the VBox provided terminal window. Can download and run Putty, terminal emulator, cut and paste supportIf there is still a problemYou can search by Google for a concise description or error message about your question!This article may be some place to write the mistake or not perfect, forget Haihan ~, reprint please indicate source : http://yangactive.iteye.com/blog/1606929Open source

Webus Fox is a web-based online teaching and video conferencing software that does not have to be installed and used directly. It provides text, voice, video chat, file sharing, electronic whiteboard and other functions.1. LoginVisit http://flash.webus.cn/#, log in with your name:Ability to log in to two different account experiences at the same timeAfter logging

discussions between customers and suppliers can be achieved through video communication. 4. Low-cost communication platform: It simplifies management, maintenance, and deployment costs, and reduces the operating costs of enterprises. 5. Unified and flexible communication means: provides users with a variety of communication means, including media and message communication services. The system is flexible and adaptable. 6. Efficient Enterprise Busines

Install BigBlueButton Open-Source Video Conferencing System in Ubuntu 14.04 LTS Installation preparation:1, the installation of basic, there is a clean Ubuntu14.04 LTS 64-bit (or a later version) Operating System host environment, and can access the Internet normally; 2, BigBlueButton-0.90 needs hardware support: at least 4 GB memory or above; 2.6 ghz cpu processing capability; TCP ports 80, 9123, are avail

This article original from Http://blog.csdn.net/voipmaker reprint annotated source.The latest version of TELEMCU adds Android phone-side WEBRTC video conferencing capabilities, Android phone installs Chrome browser after loading TELEMCU WEBRTC client TeleWeb can directly participate in video conferencing,At the same ti

This article original from Http://blog.csdn.net/voipmaker reprint annotated source.The latest version number TELEMCU added Android phone-side WEBRTC video conferencing capabilities, Android phone installed Chrome/firefox browser after loading TELEMCU Webrtcclientteleweb can directly participate in video conferencing,At

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By injecting access to the Admin account password and then logging in to the background to view the meeting password, a malicious attacker can steal sensitive information through a meeting password that can be entered into a remote meeting. Http://211.151.49.196:18080/V2Conf/jsp/user/loginAction.do In fact, the V2 conference video conferencing system, a lower version of SQL injection, which occurs in the

transmission (with Fec\qos function) (6) Artificial packet loss testing function (7) Real-time statistics output line loss packet delay The internal framework of the demo is shown in Figure 7 below: Figure 7 Demo Internal Threading framework Between the video capture scaling thread and the video coding thread, we employ an efficient two-queue mechanism (the queue element is a pointer, access queue withou

" H.264/AVC Video Codec technology detailed" video tutorial has been in the "CSDN College" on-line, the video details of the background, standard protocol and implementation, and through a practical project in the form of the standard of the resolution and realization of H. A, welcome to watch. "The paper came to the

Video surveillance industry G711 codec [continued] collection knowledge, video surveillance g711 1. reference factors for Buffer collection: A. How long does the buffer take, for example, ms or 50 ms; B. The number of bytes received per second; BufferSizeM = dwBytesPerSec * dwLatencyInMilliseconds/1000; 2. Examples: Collect sound: If the encoding format is

1. A variety of video compression standards (MPEG2, MPEG4, h261/2/3/4,x264, T264 and H264 (AVC) and HEVC (H265), such as optimization, improvement, innovation.2. Development of various platforms (CPU, GPU, DSP, ARM, etc.), porting optimization, etc., related languages include C, C + +, X86 assembler, TI DSP assembler, ADI DSP assembler, ARM assembly (Armv4/v5/v6/v7 XScale WMMX Corte x A8, etc.), MMX, SSE, SSE2/3 and so on, as well as the current use o

Low compression ratio (2:1~3:1) Example: Winzip,jpeg-ls lossy compression (Lossy) Image inconsistency after decompression before compression x≠x ' Compression ratio (10:1~20:1) Using the characteristics of human visual systems Example: Mpeg-2,h.264/avc,avs 4. codec Encoder (Encoder) A device or program that compresses a signal. Decoder (Decoder) A d

Thank the great God to share, although now still do not understand, keep everyone together to seePS: A lot of people don't know how to read "FFmpeg". It reads "EF EF em Peg"0. Background knowledgeThis chapter focuses on where ffmpeg are used (here are just a few of the many I know, in fact much more than this). To illustrate: FFmpeg is very important.Use FFmpeg as the kernel video player: Mplayer,ffplay, shooter player, Storm av, kmplayer,qq

Company Project reason, contact a bit of video stream H264 codec knowledge, before the project using the FFmpeg Multimedia library, using the CPU to do video encoding and decoding, commonly known as soft-coded soft solutions. This method is more common, but it consumes CPU resources, and the codec efficiency is not hig

more people quickly become "great God", I would like to summarize a learning FFmpeg method, convenient for everyone to gradually learn ffmpeg.0. Background knowledgeThis chapter focuses on where ffmpeg are used (here are just a few of the many I know, in fact much more than this). To illustrate: FFmpeg is very important.Use FFmpeg as the kernel video player: Mplayer,ffplay, shooter player, Storm av, kmplayer,qq av ... Use FFmpeg as the

Company Project reason, contact a bit of video stream H264 codec knowledge, before the project using the FFmpeg Multimedia library, using the CPU to do video encoding and decoding, commonly known as soft-coded soft solutions. This method is more common, but it consumes CPU resources, and the codec efficiency is not hig

knowledgeThis chapter focuses on where ffmpeg are used (here are just a few of the many I know, in fact much more than this). To illustrate: FFmpeg is very important.Use FFmpeg as the kernel video player: Mplayer,ffplay, shooter player, Storm av, kmplayer,qq av ... Use FFmpeg as the DirectShow Filter for the kernel: Ffdshow,lav Filters ... Use FFmpeg as the transcoding tool for the kernel: FFmpeg, Format Factory .