Recent Posts

Playing AV1 in Firefox Nightly

I recently wrote an article for Streaming Media where I tested AV1 playback from YouTube in Chrome. I mentioned that I couldn’t make Firefox Nightly work, though it also should play the YouTube content. Some folks from Mozilla got in touch and detailed the steps to make it work. 1.  Download Firefox Nightly here. 2.  Go to about:config and click “I accept the …

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FFmpeg to the Rescue: Convert 60fps to 30fps

A recent consulting project involved computing the VMAF, SSIM, and PSNR scores of 30 fps 480p video encoded from a 60 fps 1080p source file. I’ve not performed measurements like this in the past and assumed that simply converting the 60 fps sources file to 30 fps via the “-r” option would convert from 60 fps to 30 fps and …

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