webrtc audio

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xss-using WEBRTC to get the intranet IP

Xss.jsfunctiongetips (callback) { varip_dups={}; //compatibilityforfirefoxandchrome var Rtcpeerconnection=window. rtcpeerconnection | | window.mozRTCPeerConnection | | window.webkitRTCPeerConnection; varusewebkit=!! window.webkitrtcpeerconnection;//bypassnaivewebrtcblockingusing aniframe if (! Rtcpeerconnection) { //NOTE:youneedtohaveaniframein thepagerightabovethescripttag // //Server side:This article is from the "Sanr" blog, make sure to keep this source http://0x007.blog.51cto.com/6330498/17

TELEMCU Video Conferencing Android version number WEBRTC client Support

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 the same time, TeleWeb can support up to two webrtcclient-to-peer communication, such as the following:TeleWeb Test Address:Http://ope

Basic type definition in webrtc, which can be used as a library in the future

services; loss of use, DATA, or profits; * or business interruption) HOWEVER CAUSED AND ON ANY TH Eory of liability, * whether in contract, strict liability, or tort (including negligence or * OTHERWISE) arising in any way out of the use of this software, even if * advised of the possibility of such damage. */# ifndef TALK_BASE_BASICTYPES_H _ # define TALK_BASE_BASICTYPES_H _ # include The above Code defines the basic types, as well as the hardware architecture, in byte order. It will be use

Basic knowledge about Android audio Development

Digital Storage jointly developed by Microsoft and IBM and can be easily parsed and played. During audio development, we often involve reading and writing WAV files to verify the correctness of the collected, transmitted, and received audio data. 6. What are common audio compression formats? First, we will briefly introduce the most basic principle of

WebRTC SIP Trickle Ice

This article original from Http://blog.csdn.net/voipmaker reprint annotated source.WEBRTC clients establish a call through interactive candidate to achieve NAT traversal, if these interactions candidate in the Offer/anwser SDP will lead to through the establishment time is very slow,Because the WEBRTC client needs to communicate with the Stun/turn server to get these candidate, the entire process is block, in order to increase the speed of call establ

The adaptive algorithm of bandwidth in WEBRTC

Transferred from: http://www.xuebuyuan.com/1248366.htmlThe bandwidth adaptive algorithm in WEBRTC is divided into two types:1, the originator bandwidth control, the principle is the RTCP in the packet loss statistics to dynamically increase or decrease the bandwidth, in the reduction of bandwidth using the TFRC algorithm to increase the smoothness.2, the receiver bandwidth estimation, the principle is and by the receipt of RTP data, the estimated band

Licode Environment Building of MCU open source project based on WEBRTC

based on WebRTC of the MCU Open Source Projects Licode the environment to buildDue to the needs of the project, we need to build multi-person communication and investigate three common structures of multi-person communication:1. The previous blog has been based on Codelab for three people chatting, a multi-person system based on Mesh structure. Specifically, the fake has n+1 client, then for each client needs to establish peerconnection with other N o

Android WEBRTC Video Rotation problem

Recently in the docking WebRTC to Android phone, there is a demand is the mobile phone horizontal screen when the other side of the image rotation, study the code of WEBRTC Video_render found that the remote video rendering using OPENGLES20 or Surfaceview implementation, Where OPENGLES20 uses hardware rendering, so performance is better, so simply add the VideoRenderOpenGles20 class in the video_render_open

The quality Scaler in WebRTC

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

Local video transmission of WEBRTC

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

The DTLS,DTLS-SRTP of WEBRTC literacy

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,

Several key states of WEBRTC in Android

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

WebRTC Windows Demo1

, 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 (

Compiling WEBRTC under Windows

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

Watchdog enable and Test & WebRTC

;tm_min, pbacktime->tm_sec); - -Write (WT_FD, flag,1);//Reset Watchdog Feed the dog inAlarm2); - return; to } + - the intMain () * { $ CharFlag ='V';Panax Notoginseng intret; - intTimeout = the; the + if(Sig_err = =signal (SIGALRM, sigalarm)) A { thePerror ("Signal (sigalarm) Error"); + } - $WT_FD = open ("/dev/watchdog", O_RDWR); $ if(WT_FD 0) - { -printf"Fail to open watchdog device!\n"); the } - ElseWuyi

WebRTC MCU (Multipoint conferencing Unit) server research

There are Licode and kurento in contact.Licode Flaw: Limited documentation support, Licode app client library only JSKurento Advantages: Complete Documentation, demo-ready, Packaging API is more complete. Its main features are: Networked streaming protocols, including HTTP, RTP and WebRTC. Group Communications (MCUs (Multipoint Conferencing Unit) and Sfus (Selective Forwarding unit.) functionality) Supporting B Oth Media mixing and media

About the combination of GStreamer and WEBRTC, a little bit of a breakthrough

Today let me find a gstreamer of a bull fork of the killer, the mind immediately thought of a general framework and plan, with Gst-inspector first object introspection property detection, and then sacrificed Gst-launcher Broadsword for pipeline test, and finally use C to achieve the pipeline logic source code , you can implement WEBRTC-based video surveillance and live streaming services. Real-time two-person video call or multi-person meeting, after

The adaptive algorithm of bandwidth in WEBRTC

The bandwidth adaptive algorithm in WEBRTC is divided into two types: 1, the originator bandwidth control, the principle is the RTCP in the packet loss statistics to dynamically increase or decrease the bandwidth, in the reduction of bandwidth using the TFRC algorithm to increase the smoothness. 2, the receiver bandwidth estimation, the principle is and by the receipt of RTP data, the estimated bandwidth, with the Kalman filter, the transmission time

WEBRTC echo Cancellation (1)

There are two types of echoes in voice calls:1. Circuit echo (already resolved)2. Acoustic echoTwo echo cancellation modules are designed in the WEBRTC source code:1.AEC (Acoustic Echo canceller): PC side2.AECM (Acoustic Echo Canceller mobile): MobileAECM:Causes of acoustic Echo:The voice of the proximal speaker is picked up by his microphone and transmitted to the far end via the network,The sound from the remote speaker is picked up by the microphon

Webrtc–getusermedia-filter

() {var newindex = (Filters.indexof (canvas.classname) + 1)% Filters.length; Canvas.classname = Filters[newindex];} Navigator.getusermedia = Navigator.getusermedia | | Navigator.webkitgetusermedia | | navigator.mozgetusermedia;//WebRTC Constraintsvar constraints = {audio:false, video:true};var video = Document.queryse Lector ("video");//MediaStream as Video input function Successcallback (stream) {window.stream = stream;//Stream available to console

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