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Recovering from MEDIA_ERR_DECODE errors in dash.js

Authors Daniel Silhavy Published on September 13, 2021 Posted in dash.js, Media Source Extensions, MPEG-DASH

One of the key features of a production grade video player is the ability to recover from critical errors. Talking about web-based video players there are a lot of potential errors that can cause the playback to fail. From our…

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AVQT – Advanced Video Quality Tool

Authors Daniel Silhavy Published on June 22, 2021 Posted in Encoding, HLS, Per-Scene Encoding, Per-Title Encoding

During the WWDC 2021 conference, Apple announced a new tool called Advanced Video Quality Tool (AVQT): “AVQT is a macOS command line tool, which estimates perceptual quality of compressed videos, that might contain video coding and scaling artifacts”. [1] Similarly…

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Tagged avqt, per-title encoding

SAND Dashboards: The Full Tour

Authors Mariana Avelino Published on April 30, 2021 Posted in dash.js, DRM, exoplayer, HLS, MPEG-DASH, SAND

In the second blog post of the SAND series, we will take a detailed look at the different FAMIUM SAND dashboards: Real-Time Monitoring, Reporting, Errors Overview, DRM/ Media/ XHR Errors and Session Details. Read on to discover what the purpose…

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Tagged dash, hls, sand

Is this the end of ‘cenc’? An overview of DRM/Codec support in 2021

Authors Stefan Pham Published on March 3, 2021 Posted in CENC, CMAF, DRM, HLS, MPEG-DASH, Playready, Widevine

Short answer: No, it’s ‘cbcs’ time. If you would like to understand this better, keep on reading. The Common Encryption standard ISO/IEC 23001-7 is the enabler for multi-DRM-protected DASH/HLS streams. It is not quite “common encryption” as the name suggest,…

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Tagged CENC, dash, DRM

Why OTT content providers should use FAMIUM SAND to monitor the streaming sessions of their customers

Authors Mariana Avelino Published on February 18, 2021 Posted in dash.js, exoplayer, HLS, MPEG-DASH, SAND

Welcome to the first blog post of our latest series „SAND“! Here we will introduce our solution „FAMIUM SAND“ by explaining what it is and why it’s important, especially for content providers. We’ll keep our discussion high-level, but if you…

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Tagged dash, hls, sand

MSE: A story of append windows, presentation timestamps and video buffers

Authors Daniel Silhavy Published on January 26, 2021 Posted in dash.js, Media Source Extensions, MPEG-DASH

To some degree, we can compare a DASH MPD to a novel. A novel usually has multiple chapters (DASH periods) with exciting parts (high quality segments) and rather boring parts (low quality segments). Sometimes, we even skip some chapters (seek)….

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Fraunhofer FOKUS integrates HbbTV in Zattoo’s... 0 Comments:

Fraunhofer FOKUS integrates HbbTV in Zattoo’s Android TV set-top box

Authors Stefan Pham and Louay Bassbouss Published on January 15, 2021 Posted in exoplayer, HbbTV, MPEG-DASH

In cooperation with Zattoo, Fraunhofer FOKUS developed a concept and architecture for enabling HbbTV on Zattoo’s Android TV Operator set-top boxes. As a result, an HbbTV library for Android was developed and integrated in the Zattoo Android TV App. This…

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Tagged AndroidTV, HbbTV

Deep Encode: Part II

Authors Anita Chen Published on December 17, 2020 Posted in Encoding, Per-Scene Encoding, Per-Title Encoding, video encoding, Video Quality Metrics

Welcome back to the Deep Encode series! In the previous post, we introduced the entire FAMIUM Deep Encode project and touched upon different aspects and components of the architecture, including a sneak peek into per-scene encoding. In this post, we…

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Tagged per-scene encoding, per-title encoding, video encoding

Deep Encode: Part I

Authors Anita Chen Published on November 16, 2020 Posted in machine learning, Per-Scene Encoding, Per-Title Encoding, video encoding

Back in August 2019, we published a post called ‘Per-Title-Encoding’, shortly followed by ‘Calculating VMAF and PSNR with FFmpeg’.  To pick up where we left off, we’d like to begin a “Deep Encode” series – a sequence of blog posts…

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Tagged machine learning, per-scene encoding, per-title encoding

Common pitfalls in MPEG-DASH streaming

Authors Daniel Silhavy and Stefan Pham Published on October 22, 2020 Posted in dash.js, Encrypted Media Extensions, Media Source Extensions, MPEG-DASH

As head developers of the dash.js project we are frequently facing situations in which we have to evaluate if the failure of a DASH stream is caused by an actual bug in the implementation of the dash.js player or by…

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FAME Video Development Blog awarded

The ACM Mile-High Video (MHV) presents an annual Best Video Blog Post Award. Among the 23 nominees, our post “Common pitfalls in MPEG-DASH streaming” won third place.

More information about MHV22 and the Video Blog Post Award can be found here: https://www.mile-high.video/video-blog-awards 

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  • Dynamic CDN Switching – Content Steering in dash.js
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