A few weeks ago I attended the first edition of what turned out to be a great event, RTC.On, and I took that opportunity to submit a talk on something I wanted to work on for quite some time: bandwidth…
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Blog Archives
Improving the AudioBridge plugin
As an audio mixer and MCU, the AudioBridge plugin is quite a popular plugin among Janus users and developers. It’s definitely a foundational component in our own Virtual Event Platform, for instance, where while we use an SFU approach for…
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Playing with VP9/AV1 simulcast (and AV1/SVC!)
I only recently found out that Chrome has started shipping experimental support for VP9 and AV1 simulcast. If you’ve visited this blog before, you know what simulcast is already (if you don’t, make sure you read this post first!) and…
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WHEP qui?
It’s been a while since last time we spoke of WHEP: just to brush up your memory, it was a few months ago, when we first introduced WHEP as a companion protocol to WHIP, that we had talked about a…
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Playing with Lyra
I’m always interested in testing new codecs, especially when it comes to WebRTC. Some time ago, for instance, I talked about my experiments with AV1 and H.265, AV1-SVC or multiopus. As such, when a new codec called Lyra was announced…
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Social audio applications with Janus
Audio conversations that span to hundreds, if not thousands, of people have been quite the rage in the past few years. Podcasts are a good example of this success: there have never been so many as these days, and there’s…
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Bridging AudioBridge and SIP with Drachtio
One question we often get is: how do I use the SIP and VideoRoom or AudioBridge plugin together? The short answer is that directly you can’t, because of how Janus is conceived. While Janus is indeed modular, and made of…
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WHIP, WHEP, WHAP!
If you’re confused about all these acronyms, you’re not alone! Those interested in WebRTC and broadcasting have probably heard about WHIP already: WHEP and WHAP maybe not as much And if you’re even more confused about why I chose a…
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Cascading publishers across VideoRoom instances
SFU cascading has been a hot topic for quite some time. There’s different reasons why you may want to cascade an SFU implementation: you may want to scale a room so that multiple servers cooperate with each other to distrubute…
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Multistream is here!
After three years of work (the original pull request was first opened in December 2018) we finally merged the multistream branch in Janus! Considering this was a huge refactoring, we chose a special day for the occasion, that is the…
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