angular webrtc

WEBRTC FEC (forward error-correcting code) is an important part of its QoS, which can be used to recover original data packets when packet loss is lost, reduce retransmission times, reduce latency and improve video quality. It is an implementation of the RFC 5109 standard. Below, we will delve into its rationale. Redundant coding To understand the FEC in WEBRTC, you need to first understand red Packet. The

Quality Scaler is WEBRTC in accordance with the video quality, adaptive adjustment resolution of the scheme, the idea is generally: to observe the video encoding loss frame rate and QP changes, determine whether the capturer in the adaptor to adjust the encoding resolution. Its code is located at:$ (ROOT)/src/webrtc/modules/video_coding/utilityThe implementation is fairly simple,Observe the average QP and d

The main reference in this document is [1], which takes the code from the reference article. But [1] did not upload the complete code. Environment configuration can refer to the previous article [2] The main realization of the video in the local transmission. It took a day. As for WEBRTC video capture, codec, please refer to the online blog, here is not mentioned. Compile using CMake to generate makefile, step cmake. Note the points that follow, an

WEBRTC Voice Overall framework Figure One voice overall frame diagram As shown above, the entire processing frame of the audio is responsible for the transmission of the peer data in addition to the Ligjingle, mainly the Voe (Voice Engine) and the channel adaptation layer Figure II Creating a data communication channel timing diagramThe image above is the local sideComplete process, Voe is created by Createmediaengine_w, the channel adaptation layer

Angular custom filter and angular Filter

Introduction to angular. js cross-origin post solution, Introduction to angular. js Cross-origin: problems frequently encountered in front-end development. AngularJS implements cross-origin methods similar to Ajax and uses CORS mechanisms. The following describes how to use $ http in AngularJS to implement cross-origin request data. AngularJS XMLHttpRequest: $ http is used to read data from a remote server.

The example in this article describes the function methods or variables that are used to invoke the angular controller outside the angular using JS. Share to everyone for your reference, specific as follows: The effect is shown in the following image before clicking the "Call" button: After clicking on the "Call" button, the effect is shown in the following image: I hope this article will he

First, introduce the next $filter service: 1, $filter is used for data format of the special services; 2, Angularjs built-in currency, date, filter, JSON, LimitTo, lowercase, uppercase, number, by the 8 filter; 3, filter can be nested use, with the pipe symbol "|" To separate (a bit like Linux); 4, filter can pass parameters; 5, user can customize filter. Introduction to the built-in filter: Currency: Used to format money, such as "$" or "￥" before a value. Date: formats dates, which pro

The HTML code looks like this: 1 The JavaScript code looks like this: 1 var ngapp = angular.module (' myApp ', []); 2 ngapp.controller (' Mycontroller ', function ($scope, $http) { 3 $scope. msg = ' Hello, angular. '; 4 $scope. GetData = function () { 5 return ' qubernet '; 6 } 7 }); 8 9 onload = function () { document.getElementById (' lbtntest '). onclick = function () { 11

main steps of using Baidu chart in angular1. Install the dependency package npm install--save echarts ng2-echarts 2, in the Angular-cli.json configuration "Scripts": [ "...] /node_modules/echarts/dist/echarts.min.js " ], 3, in the App.module.ts configuration Import {ng2echarts} from ' Ng2-echarts '; ... declarations: [ ng2echarts ] ... 4. Write the official demo code of Baidu chart in the related components Public ChartData = {theme: ', event

WEBRTC IntroductionWEBRTC provides three types of APIs: MediaStream, namely Getusermedia Rtcpeerconnection Rtcdatachannel Getusermedia has been supported by Chrome, opera and Firefox.rtcpeerconnection is currently supported by Chrome, opera and Firefox. Chrome and opera provide an interface named Webkitrtcpeerconnection,firefox with the name Mozrtcpeerconnection.Rtcdatachannel is only available in Chrome, Opera 18 and Firefox 22

WEBRTC is a set of new standards for media data transmission based on the browser side, introducing a number of new concepts, including Dtls, SDEs, DTLS-SRT, ice, turn, Rtp-mux, BWE, FEC jsep, Tricle-ice and other terms,This article first said Dtls, DTLS-SRTPDTLS: Full name Datagram Transport Layer Security, which is UDP + secure, the datagram layer is safe, DTLS employs TLS security mechanism, but is more lightweight,

WEBRTC Technology Group: 234795279 1. Voiceengine CODEC data structure WEBRTC, a struct struct codecinst is used to represent a specific audio codec object: struct Codecinst { int pltype; Payload Type Payload char plname[32];//payload name payload, 32 characters representing int plfreq; Payload frequence Load Frequency int pacsize; Packet size package int channels; Chan

WebRTC FEC (forward error correcting code) is an important part of its QoS, which is used to recover original packets when network drops, reduce retransmission times, reduce delay and improve video quality. It is an implementation of the RFC 5109 standard. Below, we will delve into its principles. redundant Coding To understand the FEC in WEBRTC, you first need to understand the red Packet. The so-called Re

The Audio_device is a WEBRTC audio device module. Encapsulates audio device-related code for each platform Audio device encapsulates two sets of sound code in Android. 1. Use JNI to invoke Java's media. 2. Operate directly through the native C interface of the OpenSL es. The native interface is naturally more efficient, but the downside is that OpenSL requires Android 2.3+. OpenSL ES (Open sound Library for Embedded systems) is a hardware audio accel

This article mainly introduces the multi-person video conferencing Service end architecture, the article from the blog Park Rtc.blacker, reproduced please explain the source.With the rapid development of mobile Internet, many companies want to intervene in online education, smart home, multi-person video, security monitoring and other fields, although they are video communications, but their service-side architecture and point-to-point communication big do not want the same,In most cases, single

When using WEBRTC on the Android layer, the UI changes are triggered by the native layer callback, such as when to draw the other's video window, when to indicate that both connections have been established, etc...I'm going to list what I know now for the memo.Onaddstream (), which indicates that the associated media stream has been initialized successfully (but does not establish a connection), usually at this time display the other side of the video

, Videocodec); ASSERT (IRet==ret_success); IRet= m_viecapture->Connectcapturedevice (Icaptureid, m_channelid); ASSERT (IRet==ret_success); IRet= m_viertp_rtcp->setrtcpstatus (M_channelid, webrtc::krtcpcompound_rfc4585); ASSERT (IRet==ret_success); IRet= m_viertp_rtcp->Setkeyframerequestmethod (M_channelid, webrtc::kviekeyframerequestplirtcp); ASSERT (IRet==ret_success); IRet= M_viertp_rtcp->settmmbrstatus (

The purpose of this article is to save you 10 hours (or more) of your life, or to waste 10 minutes. WEBRTC's compilation has been called a nightmare as a large cross-platform base library that Google has frequently updated. If you happen to want to compile WEBRTC under Windows, then you'd better evaluate your patience and IQ in advance. As of now, I have tried almost all the articles in the Chinese blog community, which can be said to have failed. I d

This article mainly introduces FFmpeg, the article comes from the blog Garden Rtc.blacker, supports the original, the reprint must explain the source, the individual public number blacker, more see Www.rtc.helpDescriptionPS1: If you start learning audio and video directly from WEBRTC, you may not have heard of ffmpeg, and you don't need it, but as you improve your personal abilities, you'll find it really useful.As far as I am currently exposed to the