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我有一组 PNG,想分割图像的 RGB 和 Alpha 通道,然后制作它们的并排视频。我知道过滤器是我需要的,但对我来说真的很复杂。我看了类似的问题,但没有得到解决方案。
解决方案:
ffmpeg -framerate 24 -i item%4d.png -vf "split [a], pad=iw*2:ih [b], [a] alphaextract, [b] overlay=w" -q 1 -r 24 -y out.webm