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Guides and information for WebRTC developers
Updated: 2 hours 43 min ago

Autoplay restrictions and WebRTC (Dag-Inge Aas)

Mon, 05/07/2018 - 16:20

One of the great things about WebRTC is that it is built right into the web platform. The web platform is generally great for WebRTC, but occasionally it can cause huge headaches when specific WebRTC needs do not exactly align with more general browser usage requirements. The latest example of this is has to do […]

The post Autoplay restrictions and WebRTC (Dag-Inge Aas) appeared first on webrtcHacks.

So your VPN is leaking because of Chrome’s WebRTC…

Tue, 04/03/2018 - 03:14

We have covered the “WebRTC is leaking your IP address” topic a few times, like when I reported what the NY Times was doing and in my WebRTC-Notifier. Periodically this topic comes up now and again in the blogosphere, generally with great shock and horror. This happened again recently, so I here is an updated look […]

The post So your VPN is leaking because of Chrome’s WebRTC… appeared first on webrtcHacks.

Progressive Web Apps (PWA) for WebRTC (Trond Kjetil Bremnes)

Wed, 03/28/2018 - 13:30

One of WebRTC’s biggest challenges has been providing consistent, reliable support across platforms. For most apps, especially those that started on the web, this generally means developing a native or hybrid mobile app in addition to supporting the web app.  Progressive Web Apps (PWA) is a new concept that promises to unify the web for […]

The post Progressive Web Apps (PWA) for WebRTC (Trond Kjetil Bremnes) appeared first on webrtcHacks.

YouTube Does WebRTC – Here’s How

Fri, 03/23/2018 - 15:22

I logged into YouTube on Tuesday and noticed this new camera icon in the upper right corner, with a “Go Live (New)” option, so I clicked on it to try. It turns out you can now live stream directly from the browser. This smelled a lot like WebRTC, so I loaded up chrome://webrtc-internals to see […]

The post YouTube Does WebRTC – Here’s How appeared first on webrtcHacks.

Part 2: Building a AIY Vision Kit Web Server with UV4L

Tue, 03/06/2018 - 12:36

In part 1 of this set, I showed how one can use UV4L with the AIY Vision Kit send the camera stream and any of the default annotations to any point on the Web with WebRTC. In this post I will build on this by showing how to send image inference data over a WebRTC […]

The post Part 2: Building a AIY Vision Kit Web Server with UV4L appeared first on webrtcHacks.

AIY Vision Kit Part 1: TensorFlow Computer Vision on a Raspberry Pi Zero

Tue, 03/06/2018 - 12:35

A couple years ago I did a TADHack  where I envisioned a cheap, low-powered camera that could run complex computer vision and stream remotely when needed. After considering what it would take to build something like this myself, I waited patiently for this tech to come. Today with Google’s new AIY Vision kit, we are […]

The post AIY Vision Kit Part 1: TensorFlow Computer Vision on a Raspberry Pi Zero appeared first on webrtcHacks.

All I want for Christmas is Hangouts to use WebRTC on Firefox

Thu, 12/21/2017 - 16:44

As the year 2017 comes to an end, there was a small present. Hangouts started to support Firefox with WebRTC instead of a plug-in. While it had been public for a while that the Firefox WebRTC team had been testing this, it was a nice Christmas present to see this shipped. Tsahi Levent-Levi was one […]

The post All I want for Christmas is Hangouts to use WebRTC on Firefox appeared first on webrtcHacks.

Computer Vision on the Web with WebRTC and TensorFlow

Mon, 12/04/2017 - 02:45

TensorFlow is one of the most popular Machine Learning frameworks out there – probably THE most popular one. One of the great things about TensorFlow is that many libraries are actively maintained and updated. One of my favorites is the TensorFlow Object Detection API.   The Tensorflow Object Detection API classifies and provides the location of multiple […]

The post Computer Vision on the Web with WebRTC and TensorFlow appeared first on webrtcHacks.

SDP: Your Fears Are Unleashed (Iñaki Baz Castillo)

Wed, 09/20/2017 - 12:55

We have have had many posts on Session Description Protocol (SDP) here at werbrtcHacks. Why? Because it is often the most confusing yet critical aspects of WebRTC. It has also been among the most controversial. Earlier in WebRTC debates over SDP lead the to the development of the parallel ORTC standard which is now largely merging back into the […]

The post SDP: Your Fears Are Unleashed (Iñaki Baz Castillo) appeared first on webrtcHacks.

How to capture & replay WebRTC video streams with video_replay (Stian Selnes)

Thu, 08/31/2017 - 15:41

Decoding video when there is packet loss is not an easy task.  Recent Chrome versions have been plagued by video corruption issues related to a new video jitter buffer introduced in Chrome 58. These issues are hard to debug since they occur only when certain packets are lost. To combat these issues, webrtc.org has a […]

The post How to capture & replay WebRTC video streams with video_replay (Stian Selnes) appeared first on webrtcHacks.

WebRTC Externals – the cross-browser WebRTC debug extension

Fri, 07/28/2017 - 12:30

I am a big fan of Chrome’s webrtc-internals tool. It is one of the most useful debugging tools for WebRTC and when it was added to Chrome back in 2012 it made my life a lot easier. I even wrote a lengthy series of blog post together with Tsahi Levent-Levi describing how to use it […]

The post WebRTC Externals – the cross-browser WebRTC debug extension appeared first on webrtcHacks.

Reeling in Safari on WebRTC – A Closer Look at What’s Supported

Mon, 06/19/2017 - 15:17

Long have WebRTC developers waited for the day Apple would come around to WebRTC. It has not been simple for web developers and Apple due to their policy that requires web browsing functionality to use the WebKit engine along with Safari. This mean no WebRTC in Safari, no Firefox or Chrome WebRTC on iOS, no native […]

The post Reeling in Safari on WebRTC – A Closer Look at What’s Supported appeared first on webrtcHacks.

Am I behind a Symmetric NAT?

Tue, 05/16/2017 - 03:12

WebRTC establishes peer-to-peer connections between web browsers. To do that, it uses a set of techniques known as Interactive Connectivity Establishment or ICE. ICE allows clients behind certain types of routers that perform Network Address Translation, or NAT,to establish direct connections. (See the WebRTC glossary entry for a good introduction.) One of the first problems is for […]

The post Am I behind a Symmetric NAT? appeared first on webrtcHacks.

Debugging VP8 is more fun than it used to be

Tue, 03/28/2017 - 14:00

  Editor Note: Fippo uses a lot of advanced WebRTC terms below – if you are a regular reader of this blog then don’t let that scare  you. Wireshark is a great tool for diagnosing media issues and inspecting signaling packets even if you’re not building a media server. {“editor”, “chad hart“}   Stuff breaks all […]

The post Debugging VP8 is more fun than it used to be appeared first on webrtcHacks.

New Windows into WebRTC with UWP: Q&A with Microsoft’s James Cadd

Wed, 02/22/2017 - 13:30

While Windows may no longer be the default platform it was a decade ago it still has a huge and active community. More than 400 million devices support Windows 10 and there are many millions of .NET and Visual Studio users out there. In fact, I made my first WebRTC application in .NET using XSockets years ago. In […]

The post New Windows into WebRTC with UWP: Q&A with Microsoft’s James Cadd appeared first on webrtcHacks.

Chrome’s WebRTC VP9 SVC Layer Cake: Sergio Garcia Murillo & Gustavo Garcia

Wed, 02/15/2017 - 01:29

Multi-party calling architectures are a common topic here at webrtcHacks, largely because group calling is widely needed but difficult to implement and understand. Most would agree Scalable Video Coding (SVC) is the most advanced, but the most complex multi-party calling architecture. To help explain how it works we have brought in not one, but two WebRTC video architecture experts. […]

The post Chrome’s WebRTC VP9 SVC Layer Cake: Sergio Garcia Murillo & Gustavo Garcia appeared first on webrtcHacks.

Slack Does WebRTC Video – Here’s How (Gustavo Garcia)

Thu, 12/15/2016 - 21:53

Slack is an über popular and fast growing communications tool that has a ton of integrations with various WebRTC services. It also acquired a WebRTC company a year ago and launched its own audio conferencing service earlier this year which we analyzed here and here. Earlier this week they launched video. Does this work the same? Are […]

The post Slack Does WebRTC Video – Here’s How (Gustavo Garcia) appeared first on webrtcHacks.

How to limit WebRTC bandwidth by modifying the SDP

Wed, 10/26/2016 - 17:12

WebRTC 1.0 uses SDP for negotiating capabilities between parties.  While there are a growing number of objects coming to WebRTC to avoid this protocol from the 90’s , the reality is SDP will be with us for some time. If you want to do things like change codecs or adjust bandwidth limits, then you’re going to need to “munge” […]

The post How to limit WebRTC bandwidth by modifying the SDP appeared first on webrtcHacks.

WebRTC media servers in the Cloud: lessons learned (Luis López Fernández)

Fri, 09/09/2016 - 13:32

Media servers, server-side media handling devices, continue to be a popular topic of discussion in WebRTC. One reason for this because they are the most complex elements in a VoIP architecture and that lends itself to differing approaches and misunderstandings. Putting WebRTC media servers in the cloud and reliably scaling them is  even harder. Fortunately there are […]

The post WebRTC media servers in the Cloud: lessons learned (Luis López Fernández) appeared first on webrtcHacks.

Let’s Encrypt – how get to free SSL for WebRTC

Mon, 08/01/2016 - 21:16

Way back in 47 (version that is), Chrome started to mandate the use of HTTPS in conjunction with getUserMedia. To use HTTPS you need a SSL/TLS certificate.  Xander Dumaine covered this a bit for us before, but I still see a lot of people out there struggle with it. As it so happens, the certificate for my […]

The post Let’s Encrypt – how get to free SSL for WebRTC appeared first on webrtcHacks.

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