v2x="./Video2X-x86_64.AppImage"
Video2X-x86_64.AppImage --help
# Upscale video with realesr-animevideov3 model
# Model works well for most anime and live action videos at reasonable processing times
"$v2x" -i input.mp4 -o output.mp4 -p realesrgan -s 4 --realesrgan-model realesr-animevideov3
# Upscale a film by 4x using RealESRGAN with custom encoder options, likely long processing times
-o output_realesrgan.mp4 \
--realesrgan-model realesrgan-plus
# -e crf=17 -e preset=slow -e tune=film
# -p realesrgan: selects the Real ESRGAN engine
# --realesrgan-model realesrgan-plus: model optimized for real-world footage
# -s 2: 2× upscale (e.g., 854×480 → ~1708×960 then padded to 1080p)
# -c, -e: encoding with H.264, high quality