: If authoring for Apple devices via HLS, ensure you meet the HLS Authoring Specification which requires HEVC for specific UHD variants.

ffmpeg -i input.mp4 -c:v libx265 -crf 23 -preset medium -movflags +faststart -c:a aac -b:a 128k output.mp4 Use code with caution. Copied to clipboard

: Reduces data costs by 35-50% compared to H.264.

: Ideal for massive libraries like those on Plex or media servers.