Should Your Next Encoder be a Packager?

Just a quick riff on encoding versus packaging. The concept of encoding involves converting a mezzanine file into distributable output like MP4 files, or ABR formats like HLS or DASH. The concept of packaging is taking previously encoded MP4 files and converting those to distributable ABR output format like HLS or DASH.  The heavy lifting,…

DASH or HLS? Which is the Best Format Today?

The survey results are in: So, out of 87 responses, over 50% chose DASH, while over 30% choose HLS. The balance chose to explain why, and there were some very useful comments. “Not sure why I wouldn’t cover both options.” “DASH also doesn’t work on OTT boxes like AppleTV and Roku, where HLS does. DASH…

BBC Moves to HTML5 and MPEG-DASH

I am a bit behind the times on this one, but on September 29th, 2015, the BBC launched an HTML5-based player based upon the Media Source Extensions and MPEG-DASH. You can read about their implementation in a blog post, here. The new implementation is very platform-specific, and BBC announced that they were testing on the…

Current Status of HEVC Royalties

This post will quickly summarize the current status of HEVC royalties. There are two existing patent pools. The first was assembled by MPEG LA and calls for royalties of $0.20/unit on encoders and decoders, after a 100,000 de minimus exception, with a US $25 million annual cap, and no royalty on encoded content. Here’s a screen grab…

A Thunderbolt Primer

The Thunderbolt port on a MacPro lets it function as a highly capable live streaming system.
Thunderbolt can be a very useful expansion option for streaming and other video production, particularly if you are producing on a Mac workstation or laptop.

Why I like VQM better than PSNR or SSIM

Author’s notes: 1. VMAF is now my metric of choice.  2. Since the first publication, I converted SSIM to decibel form using this formula from the Video Codec Testing and Quality Measurement : -10 * log10 (1 – SSIM) As it turns out, the results are the same (no comparisons in red) but now they…