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Support for logo/watermark #125

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raymondben
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This PR provides support for a logo or watermark to be added (i.e. an image overlay that persists for the whole video, independent of individual clips). See #102 for existing issue. This works by inserting an additional input file to the ffmpeg parameters and using a filter_complex to scale the logo and overlay it over the main video input stream.

Limitations:

  • only works with local files, even if allowRemoteRequests is true, though presumably it would not be difficult to cache remote images locally to use in the same way
  • only works with video output (not .gif). I don't think the ffmpeg gif muxer supports multiple video inputs

@mifi
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mifi commented Feb 27, 2022

Thanks for your PR. I'm not sure if ffmpeg filter complex is the way I want to solve this, but can leave it open to see. I think also this kind of full-video watermark can easily be added in post-process after editly's output for those who want it.

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