Jan Ozer
June 7, 2023 Encoding, Uncategorized
746
Deciding whether to encode on-premise or in the cloud is one of the most critical decisions facing any streaming publisher. Two recent articles provide both strong opinions and insights on this decision and are worthy of review. Our take? Do the math and make your own decision. The first article is “Why we’re leaving the cloud,” by David Heinemeir Hannson. …
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Jan Ozer
May 25, 2023 Encoding, FFmpeg
3,780
This post details how to install, update and add FFmpeg to Windows Subsystem for Linux so you can run Linux in Windows with minimal muss or fuss. Here’s why you might want to install WSL in the first place. I recently taught a session at Streaming Media East on using variables with FFmpeg (download handout here – note that free …
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Jan Ozer
May 21, 2023 Codecs
2,251
This blog includes the video and handout from my talk on “How to Produce x264 and x265 Video at Maximum Quality and Maximum Efficiency” at NAB 2023 (thanks to Dan Rayburn). Here’s the description. This research-based session explores configuration options like presets, threads, color depth, and others that impact output quality and encoding efficiency. Balancing encoding cost and streaming bandwidth, …
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Jan Ozer
May 17, 2023 Codecs
1,250
The last time I looked at VVC playback in software was for this article in Streaming Media Magazine. Fraunhofer’s VVDec decoder delivered an uninspiring 39 frames per second when converting the input file to YUV. This was on a (then) nine year old i7-based HP desktop. I just retested with a version of FFmpeg that Fraunhofer supplied, and this number …
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Jan Ozer
May 14, 2023 Articles, Encoding
1,564
A woman walks into a bar and asks, “I’ll have two video transcoders, please.” Bartender says, “We don’t carry transcoders; we have VPUs. Will they do?” The woman scratches her head and says, “hmm, I don’t know.” Do you? If not, you’re in the right place. This short article will briefly define transcoder, VPU, and VCU, and get you in …
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Jan Ozer
April 5, 2023 Codecs, Encoding
1,143
Two free learning resources are available on the Streaming Media website; How to Produce VVC With FFmpeg and How to Script for FFmpeg Using PowerShell and BASH. They’re tutorials in the Streaming Media Sourcebook, an annual production containing useful articles and collections. Learn Variables and For Loops Here’s the abridged intro: Most FFmpeg users start by creating a simple static command …
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Jan Ozer
March 28, 2023 Codecs, Encoding
3,552
I recently posted a request for video test clips on LinkedIn. This article summarizes the websites listed in the responses. Thanks to all who responded. 4KMedia An absolutely fabulous resource for compressionists looking for a broad range of 4K footage of reasonable duration, many, like this NY promotional clip, in HDR. Here’s the site description. 4KMedia.org is intended to demonstrate …
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Jan Ozer
March 19, 2023 Codecs, Encoding, Learning
965
Note: I’ve updated the descriptions below with links to the actual presentations. I will add the videos once they become available. Streaming Media East is always a great event for learning, meeting, greeting, and catching up on the latest trends and technical innovations in the Streaming Industry. This year’s event will be held May 17 – 19 at the Boston …
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Jan Ozer
March 19, 2023 Codecs, Encoding
789
You can download the presentation handout here (download). I’ll add the video once it becomes available. I’m thrilled to speak at Mile-High Video in Denver, which runs from May 7 – 10 2023. My presentation is on Sunday, May 7, entitled, “Encoding and Packaging x265/HDR with FFmpeg, Bento4 and mp4box.” The description is, “this introductory session will cover the basics …
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Jan Ozer
March 18, 2023 Encoding
710
NAB is coming up April 15 – 19 in Las Vegas. I’ll be attending with NETINT (company description below) at booth W1672. We’ll show our core product line of two ASIC-based live transcoder families, the T408 (H.264/HEVC) and the Quadra (H.264/HEVC/AV1 plus AI integration). At the show, we’ll debut two server products that integrate the board-based transcoders into a complete …
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