Canvas Recorder
Express server that accepts a set of images and converts them into an h264 encoded mp4 video. Commonly used to record a canvas element with a consistent frame rate.
How to use
Default port 5000
/add_frame
An async post request that returns after the image has been saved to the server's harddrive.
{
action: "add_frame",
data: <image dataUrl>,
sessionId: <id identifying images of the same video>,
}Accepts a stringified request object with three parameters.
/process
An aync get request that starts converting all images of the provided session id and then returns the download url for the final video. Accepts three query parameters:
duration: Clip duration in second"
fps: Target fps
sessionId: Group id provided with /add_frame