Daniel Silhavy

Daniel Silhavy studied Computer Science at the Technical University of Berlin (TUB). He received his Masters degree with the completion of his thesis “Ad Insertion in MPEG-DASH” at Fraunhofer Institute for Open Communication Systems (FOKUS) in 2015. Currently, he is employed as a scientific assistant and project manager at the Business Unit Future Applications and Media (FAME). He specializes in the R&D of topics dealing with IPTV and adaptive media streaming.

dash.js – Understanding the Grunt... 0

dash.js – Understanding the Grunt development ecosystem

Daniel Silhavy November 22, 2019 dash.js, MPEG-DASH

HTTP Live Streaming (HLS) and Dynamic Adaptive Streaming over HTTP (MPEG-DASH) are the two main formats used for adaptive streaming. While HLS is natively supported on most of its target platforms (iOS and MacOSX), external players are needed for MPEG-DASH….

Enabling Hardware DRM on Android Chrome using the Encrypted Media Extensions

Daniel Silhavy and Stefan Pham September 17, 2019 DRM, Encrypted Media Extensions, MPEG-DASH, Widevine

The Media Source Extensions (MSE) and Encrypted Media Extensions (EME) are two APIs that enable playback of Digital Rights Management (DRM) protected adaptive streaming content in a browser. Both APIs are supported in all four major browsers: Chrome, Firefox, Edge and…

Calculating VMAF and PSNR with FFmpeg

Daniel Silhavy August 2, 2019 Encoding, Video Quality Metrics

FFmpeg is a great tool for video processing, it basically allows us to manipulate videos any way we like. Depending on the concrete use case, however, it can be challenging to assemble the right command. In this blog post, I…

Per-Title Encoding

Daniel Silhavy August 2, 2019 Encoding

In 2016, Netflix introduced the concept of per-title-encoding. In a very interesting blog post and a detailed paper, Netflix described their findings and how the results can be interpreted. In this blog post, I would like to describe my understanding of per-title encoding and…

dash.js: License acquisition for multiple EME versions

Daniel Silhavy June 20, 2019 dash.js, DRM, Encrypted Media Extensions, Media Source Extensions, MPEG-DASH, Playready, Widevine

HTTP Live Streaming (HLS) and Dynamic Adaptive Streaming over HTTP (MPEG-DASH) are the two main formats for adaptive streaming. While HLS is natively supported on most of its target platforms (iOS and MacOSX), we need external players for MPEG-DASH. For…

dash.js: How to use DASH events

Daniel Silhavy June 14, 2019 dash.js, Encrypted Media Extensions, Media Source Extensions, MPEG-DASH

HTTP Live Streaming (HLS) and Dynamic Adaptive Streaming over HTTP (MPEG-DASH) are the two main formats for adaptive streaming. While HLS is natively supported on most of its target platforms, (iOS and MacOSX), MPEG-DASH requires external players. For browser-based environments,…