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MZ BitmapEx: video/gif as bitmap (experimental)

BMM_Archive · July 15, 2026

BMM_Archive
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Preserved forum archive. This topic stores the original first post and locally mirrored RPG Maker Web attachments when available. It is posted by the BMMPlay archive account, not by the original creator.

Original Source

  • Original title: MZ BitmapEx: video/gif as bitmap (experimental)
  • Original author: utunnels
  • Original date: May 9, 2025
  • Source thread: https://forums.rpgmakerweb.com/threads/bitmapex-video-gif-as-bitmap-experimental.177553/
  • Source forum path: Game Development Engines > RPG Maker Javascript Plugins > JS Plugins In Development

Summary

The idea is to use video and gif as the source of the bitmap. To use it, you need to rename your png file to include the file extension of the resource. For example, $big[webm].png, will load $big.webm as its source. You need to find a software to make a video with transparent background.

Archived First Post

The idea is to use video and gif as the source of the bitmap.

To use it, you need to rename your png file to include the file extension of the resource.

For example, $big[webm].png, will load $big.webm as its source.
You need to find a software to make a video with transparent background.
For example, with ffmpeg:
ffmpeg -framerate 30 -i "input_%04d.png" -c:v libvpx-vp9 -b:v 2M -crf 15 -pix_fmt yuva420p "output.webm"
1746803218863.png

Show picture command is similar.
1746803391536.png

For now, video and gif are played in loop and can't be controlled.
Tilemap can't play animations without going ultra slow, so I leave it alone for now.
Webp or other animation format is not supported yet.

Other links:
How to make a video(WebM) with a transparent background
https://github.com/buzzfeed/libgif-js

Download:
Removed for now, editing

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