Steam Deck verified game trailer encoding. H.265 at 1440p (Steam Deck OLED native resolution), CRF 24 slow for high quality at manageable file sizes, Opus for the modern audio stack, MKV for Valve/Linux ecosystem compatibility.
| Video Codec | H.265 |
| CRF | 24 |
| Resolution | 1440p |
| Audio | Opus |
| Container | MKV |
| Preset | slow |
ffmpeg -i input.mp4 -c:v libx265 -crf 24 -preset slow -vf scale=-2:1440 -c:a libopus -b:a 128k output.mkvThe Steam Deck OLED has a native resolution of 1280x800 but upscales to 1440p for external display output. Valve recommends H.265 for store trailers because the Deck's AMD APU has a dedicated HEVC hardware decoder.
A new FFmpeg encoding puzzle every day. Six tries, in the browser or from your terminal.