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The first viewer issue, or the difficulties of converting WebRTC video streams to HLS

Reading time7 min
Views2.2K


George shut his laptop and rubbed his sleep-deprived red eyes. "Customers continue to complain about stream freezing; the new fix package did not help at all! What do I do with this (censored) HLS?" he said.


The browser is not only hypertext, but also a streamer


Browsers have had players for a long time, but the story is different with the video encoder and streaming. Now, in almost any browser of the latest version, we can find modules for encoding, streaming, decoding, and playback. These functions are available through the JavaScript API, and the implementation is called Web Real Time Communications or WebRTC. This library built into browsers can do quite a lot: capture video from a built-in, virtual or USB camera, compress it with H.264, VP8, and VP9 codecs, and send it to the network via SRTP protocol; i.e., it functions as a software streamer video encoder. As a result, we see a browser that has something similar to ffmpeg or gstreamer, compresses video well, streams on RTP, and plays video streams.

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MobX or Redux: Which is Better For React State Management?

Reading time5 min
Views19K


In JavaScript, state management is a hot of discussion these days. When it comes to implementing state management, developers often find it challenging dealing with boilerplate code in Redux. Hence, MobX has proved to be a good alternative to Redux which gives the same functionality with less code to write. However, both state management tools work well with React.

Let's first have a look at the common things between the two:

1) Both support time-travel debugging
2) Both contain open-source libraries
3) Both provide a client-side state management
4) Both provide huge support for React native frameworks

In this blog, we have listed all the pros and cons of both state management solutions. It will help web developers to choose the best one for their next project. Before discussing this, we have compared both Redux and Mobx based on some parameters as given below:
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Dynamic CDN for Low Latency WebRTC Streaming with Stream Access Control

Reading time4 min
Views1.4K


In the first part, we have deployed a simple dynamic CDN for broadcasting WebRTC streams to two continents and have proved on the example of a countdown timer that the latency in this type of CDN is actually low.


In the second part, we have incorporated dedicated servers into the CDN for performing the task of transcoding in order to provide good broadcast quality to our viewers based on the devices they use and the channel quality. In this manner, all published streams in our CDN are available to all the viewers.


Now, assume that a company is starting to introduce its monetization strategy where a number of streams should be available for free and the rest on a subscription basis. Or, for example, webinars for in-house staff training are broadcasted simultaneously, but each subsidiary has a separate stream, and disclosing the sales techniques used in Southeast Asia to the managers from CIS countries is undesirable.

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