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mebm

tutorial

https://bwasti.github.io/mebm/ (empty project)

mebm is a browser based video editor that supports animation of images and text overlays. The animation is done with key-frames (denoted in blue on the timeline) and linear interpolation.

The design values simplicity and rudimentary functionality over a full feature set.

usage

  • space to pause/play
  • select layers to manipulate them (click on the timeline or sidebar)
    • shift + scroll or pinch to zoom text and images
    • drag to move them
    • arrow keys to jump between keypoints
    • backspace to remove keypoints
  • import
    • by dragging in videos images or audio files
    • by clicking "+ media"
    • by pasting URLs to hosted media (only some domains)
  • export by clicking "export"
    • let video play to completion
    • click "download" to grab a copy (.webm)


output:

todo

  • timeline
    • allow extending beyond current max time (medium)
    • split audio play head (hard)
    • splits in templates (medium)
  • file management
    • error on bad type (easy)
    • animated .gif support
  • editing
    • menu for advanced settings per layer (easy)
    • element selection by click (medium)
    • undo (hard)
    • face tracking (medium)
    • opacity (easy)
    • rotation (medium)
  • compatibility
    • chrome export bug workaround
    • mouseover preview safari fix
    • mobile touch events (partially done)
  • code
    • refactor/simplify MoveableLayer this.frames
    • make video a MoveableLayer
    • compress video frames
    • investigate memory use warning on safari
    • cache render output for thumbnails
    • move height/width setting logic out of render loop
    • improve text scaling logic (avoid font size, use ctx.scale)