AV1 Now Only 2X Slower Than x265

AV1 encoding on Windows is now only 2x slower than x265. With a properly compiled version of FFmpeg, encoding performance is slightly faster than the Alliance for Open Media’s encoder, though output quality is very slightly lower. Congrats to AOM for delivering on their promise to get encoding times down. Thanks for all the help…

Preliminary VMAF and PSNR Scores for New Xilinx Transcoding Appliances

Live streaming at scale is the perfect application for hardware transcoders that deliver highly-affordable encoding density. Xilinx just announced a series of transcoding appliances targeting these live streaming use cases built around the new Xilinx Real-Time (RT) Server reference architecture. I’ve been benchmarking output quality with two card-based encoders deployed in these appliances, the Alveo…

How to Install Python 3.8 and Bento 4.

When I first started using Bento4 it ran only on Python 2.7x and earlier. For this reason, the installation instructions in my book Learn to Produce Videos with FFmpeg in 30 Minutes or Less describe how to install Python version 2.7. At some point, however, Bento upgraded to Python 3.x, obsoleting those instructions. I’ve upgraded…

AV1 Turns 2.0

Just a quick announcement that the Alliance for Open Media has launched version 2.0 of the AOMedia AV1 encoder that you can download here. According to the Phoronix website, from which I grabbed this news: “Libaom 2.0 is the first release since the original 1.0 release back in mid-2018 after the AOMedia codec working group…