claude-video-export — Platform-Optimized Export

Pre-Flight

1. Run bash scripts/preflight.sh "$INPUT" "$OUTPUT"
2. Run bash scripts/detect_gpu.sh for encoder selection
3. Analyze input: ffprobe -v error -select_streams v:0 -show_entries stream=width,height,r_frame_rate -of json "$INPUT"

Platform Presets

YouTube (1080p)

ffmpeg -n -i "$INPUT" -c:v libx264 -preset slow -crf 18 -profile:v high -level 4.1 \
  -pix_fmt yuv420p -bf 2 -g 30 -movflags +faststart \
  -c:a aac -b:a 384k -ar 48000 "${INPUT%.*}_youtube.mp4"