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Guides and information for WebRTC developers
Updated: 36 min 21 sec ago

Guide to WebRTC with Safari in the Wild (Chad Phillips)

Fri, 09/07/2018 - 13:55

I has been more than a year since Apple first added WebRTC support to Safari. My original post reviewing the implementation continues to be popular here, but it does not reflect some of the updates since the first limited release. More importantly, given its differences and limitations, many questions still remained on how to best develop WebRTC applications for Safari.

I ran into Chad Phillips at Cluecon (again) this year and we ended up talking about his arduous experience making WebRTC work on Safari.

Continue reading Guide to WebRTC with Safari in the Wild (Chad Phillips) at webrtcHacks.

VR Video Calling with WebRTC and WebVR (Dan Jenkins)

Tue, 08/28/2018 - 03:31

WebRTC isn’t the only cool media API on the Web Platform. The Web Virtual Reality (WebVR) spec was introduced a few years ago to bring support for virtual reality devices in a web browser. It has since been migrated to the newer WebXR Device API Specification.

I was at ClueCon earlier this summer where Dan Jenkins gave a talk showing that it is relatively easy to add a WebRTC video conference streams into a virtual reality environment using WebVR using FreeSWITCH.

Continue reading VR Video Calling with WebRTC and WebVR (Dan Jenkins) at webrtcHacks.

Suspending Simulcast Streams for Savvy Streamlining (Brian Baldino)

Mon, 08/06/2018 - 09:27

If you’re new to WebRTC, Jitsi was the first open source Selective Forwarding Unit (SFU) and continues to be one of the most popular WebRTC platforms. They were in the news last week because their parent group inside Atlassian was sold off to Slack but the team clarified this does not have any impact on the Jitsi […]

The post Suspending Simulcast Streams for Savvy Streamlining (Brian Baldino) appeared first on webrtcHacks.

A playground for Simulcast without an SFU

Tue, 07/31/2018 - 16:47

Simulcast is one of the more interesting aspects of WebRTC for multiparty conferencing. In a nutshell, it means sending three different resolution (spatial scalability) and different frame rates (temporal scalability) at the same time. Oscar Divorra’s post contains the full details. Usually, one needs a SFU to take advantage of simulcast. But there is a […]

The post A playground for Simulcast without an SFU appeared first on webrtcHacks.

Chrome Screensharing Blues – preparing for getDisplayMedia

Thu, 06/14/2018 - 15:33

The Chrome Webstore has decided to stop allowing inline installation for Chrome extensions. This has quite an impact on WebRTC applications since screensharing in Chrome currently requires an extension. Will the [crayon-5b2272a8d9b0f447286991-i/] API come to the rescue? Screensharing in Chrome When screensharing was introduced in Chrome 33, it required implementation via an extension as a way to […]

The post Chrome Screensharing Blues – preparing for getDisplayMedia appeared first on webrtcHacks.

Smile, You’re on WebRTC – Using ML Kit for Smile Detection

Tue, 06/12/2018 - 03:39

Now that it is getting relatively easy to setup video calls (most of the time), we can move on to doing fun things with the video stream. With new advancements in Machine Learning (ML) and a growing number of API’s and libraries out there, computer vision is also getting  easier to do. Google’s ML Kit is […]

The post Smile, You’re on WebRTC – Using ML Kit for Smile Detection appeared first on webrtcHacks.

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.

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