Video Breakthroughs
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Video Breakthroughs
Monitoring innovations in post-production, head-end, streaming, OTT, second-screen, UHDTV, multiscreen strategies & tools
Curated by Nicolas Weil
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Open Source Column: Dynamic Adaptive Streaming over HTTP Toolset

Open Source Column: Dynamic Adaptive Streaming over HTTP Toolset | Video Breakthroughs | Scoop.it

Our open source tool suite consists of several components. On the client-side we provide libdash and the DASH plugin for the VLC media player (also available on Android). Additionally, our suite also includes a JavaScript-based client that utilizes the HTML5 media source extensions of the Google Chrome browser to enable DASH playback.

 

Furthermore, we provide several server-side tools such as our DASH dataset, consisting of different movie sequences available in different segment lengths as well as bitrates and resolutions. Additionally, we provide a distributed dataset mirrored at different locations across Europe. Our datasets have been encoded using our DASHEncoder, which is a wrapper tool for x264 and MP4Box.

 

Finally, a DASH online MPD validation service and a DASH implementation over CCN completes our open source tool suite.

Nicolas Weil's insight:

Very nice suite of tools. Kudos to all the Alpen-Adria-Universität team !

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DIY BROADCAST : How to build your own TV Channel with Open-Source & other goodies

DIY BROADCAST : How to build your own TV Channel with Open-Source & other goodies | Video Breakthroughs | Scoop.it

Here is our scenario : you are the technical director of a web startup, already having proven your talents with your thematic VOD streaming channel – and your boss suddenly thinks you’re a grown enough company to jump on the broadcast wagon and manage your own 24/7 live TV channel, targeting IPTV and multiplatform OTT, with a mix of some live studio shows and mainly pre-recorded programs. And of course readify it for later iTV DTT distribution. Quite an exciting challenge !

 

But once you passed the wow effect, you just realize that despite his high expectations for the TV channel, your boss has got just a web budget – which is close to 0$ – and of course a tight launch schedule. Therefore, your first duty is to be creative on how to build the platform for the lowest possible cost : that’s why, using your web reflexes, you naturally turn yourself towards the open-source world to achieve this impossible mission. Inexpensive or free closed-source software will eventually fill the gaps (and obviously there are some).

 

Fortunately, the web attitude has contaminated many industries with its desire to promote interoperability and avoid vendor lock-in with full-IP standard worflows. The BBC has shown the way for a long-time, funding many developments like the Dirac codec for its own needs of tapeless workflows and open-sourcing them quickly afterwards. Other TV channels like SVT from Sweden (with CasparCG) and many independent developers have jumped onboard, and by combining their efforts with your usual web video tools like FFmpeg or other free tools, you can for sure build the target platform.

 

Apart from this software layer, you’ll just need :
- commodity IT hardware to run all the software
- some inexpensive SDI cards
- the minimalistic general audio/video routing hardware & cables
- a reasonable amount of time to configure and interface all pieces
and of course the right IT/dev skills to bring it all together…

 

OK, Let’s build it now !

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