H.265 · Bitrate 4M · 1080p · AAC · MP4

The scenario

In-flight entertainment (IFE) encoding for an airline seat-back system. H.265 at 4 Mbps for 1080p because the onboard server has limited storage per aircraft, AAC for the headphone jack DAC, MP4 for the Panasonic Avionics player.

The answer

Video Codec	H.265
Bitrate	4M
Resolution	1080p
Audio	AAC
Container	MP4

The command

ffmpeg -i input.mp4 -c:v libx265 -b:v 4M -c:a aac -b:a 128k -movflags +faststart output.mp4

Why

Airlines load entertainment content via physical hard drives at airports ("sneakernet"). A typical IFE server holds 2-4 TB for 300+ hours of content. H.265 at 4 Mbps is the sweet spot between quality and fitting the full catalog.

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