ffmpeg -i output.webm -metadata title="I'm a Celebrity S24 E01" \ -metadata artist="Ant & Dec" -c copy output_meta.webm | Scene Type | Bitrate variance | libvpx tuning | |------------|----------------|----------------| | Jungle daytime | High (leaves, water) | -tune=ssim | | Trial pits (dark) | Low | -aq-mode=1 (variance adaptive) | | Celebrity confessionals (static) | Very low | -cpu-used=1 (slower, better) | | Finale confetti drop | Peak | -tile-columns=4 |
graph LR A[Source S24 ProRes] --> B(libvpx-vp9 encode) B --> CABR ladder C --> D[480p: 800kbps] C --> E[720p: 2000kbps] C --> F[1080p: 4000kbps] D --> G[WebM segments] E --> G F --> G G --> H[MPD / M3U8] 4 seconds (keyframe interval = 4s) GOP size: 96 frames at 24fps (UK broadcast standard) 5. Metadata for S24 (Embedded in libvpx) title: "I'm a Celebrity... Get Me Out of Here! UK S24" artist: "ITV Studios" album: "Season 24 (2024)" date: "2024" comment: "Winner: Sam Thompson; Trials include Scarena, Fright at the Museum" language: "eng" Add via: i'm a celebrity... get me out of here uk season 24 libvpx
