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Video Filter Transformations

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Visual Effects

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Background Color (b_{color})

tr-b_ff0000         # Red background
tr-b_000000        # Black background
tr-b_ffffff        # White background

• Accepts hex color codes without ’#’
• Commonly used with:
  • c_pad crop mode
  • Videos with transparent areas
  • Letterboxing/pillarboxing areas

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Blur Effect (blur_{radius})

tr-blur_10            # Light blur
tr-blur_50            # Medium blur
tr-blur_100           # Heavy blur

• Radius range: 1-100
• Lower values for subtle effect
• Higher values for strong blur
• Applied consistently across frames

• Background videos
• Privacy protection
• Aesthetic effects
• Content warnings

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Background Blur (b_blur)

tr-c_pad,b_blur       # Blurred edges from video content

• Uses video content for blur effect
• Maintains visual consistency
• Works with padding operations
• Smoother than solid colors