Codecs

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B-Frames, Ultra Low-Latency Encoding, and Parking Lot Rules

One of my sweetest memories of bringing up our two daughters was weekly trips to the grocery store. Each got a $5.00 bribe for accompanying their father, which they happily invested in various tchotchkes that seldom lasted the week. When we exited the car, “parking lot rules” always applied, which meant that each daughter held one of Daddy’s hands for …

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Which is the Best AWS CPU for FFmpeg?

Figure 2. Cost per hour to produce a single 1080p stream using the x264 codec and FFmpeg. Graviton is clearly the most cost effective.

If you encode with FFmpeg on AWS, you probably know that you have three CPU options: AMD, Graviton, and Intel. Which is the best AWS CPU for FFmpeg? This article reveals all. For those in a hurry, it’s Graviton for x264 and AMD for x265, often by a significant margin. But the devil is always in the details, and if …

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A Guide to VVC Deployment

Below are six video presentations and downloadable PDFs relating to VVC deployment from a session at Streaming Media East in 2023, all from recognized experts from companies developing and deploying VVC. The session was sponsored by Access Advance.  The sessions begin with an in-depth exploration of VVC and how it compares to other codecs such as H.264, HEVC, and AV1. …

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How to Optimize x264 and x265 Quality in FFmpeg

Agenda for talk on optimizing x265 and x265 quality with FFmpeg

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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VVC Playback Surprisingly Efficient on Computers

Spin Digital Spin Player VVC playing EuroTruckSimulator2 at full frame rate.

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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New Articles on Streaming Media Magazine

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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Best Sources for Free Video Test Clips

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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Join Me at Streaming Media East in Boston in May

The Streaming Media East Conference Logo

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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Ozer to Present on x265 Encoding and Packaging at Mile-High Video

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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New Lesson Helps Students Choose the Best Codec for Streaming

Shows the new lesson, Codec Updates 2023

Just a quick note that I’ve updated the course, Streaming Media 101: Technical Onboarding for Streaming Media Professionals with a new lesson entitled Codec Update 2023. You can see the agenda in Figure 1 below. For those in a hurry, you can scan through and see my recommendations for 2023 forty seconds in. Choosing the best codec for streaming involves …

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