![]() ![]() Let’s take the original video ( sintel_trailer-1080p.mp4) and re-encode it. ![]() You’ll need a fairly recent version of ffmpeg that supports fMP4 – I used version 4.1.1 to create the files in this post.įor the video, I used the 1080p version of the Sintel trailer. In this post, I’ll demonstrate how to generate fMP4 files using ffmpeg. This means less encoding and less storage requirements, which should reduce costs. Fragmented MP4 files are also compatible with MPEG-DASH – an alternative to HLS – so you can use the same files only the manifest file (playlist) is different. So why use fragmented MP4 files? Well, according to Apple’s video encoding requirements in their HLS Authoring Specification, if you want to use HEVC/H.265, you have to use it (1.5). ![]() At WWDC 2016, Apple announced support for fragmented MP4 (fMP4) as an alternative to MPEG-TS, which prior to their announcement was the only supported format. ![]()
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