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Core

In case you are building your own application and just need to use a rendering part, or you wanna manually trigger jobs from your code, there is a way to use nexrender programmatically:

Installation

Install the @nexrender/core

$ npm install @nexrender/core --save

Usage

And then load it, and run it

const { render } = require('@nexrender/core')

const main = async () => {
    const result = await render(/*myJobJson*/)
}

main().catch(console.error);

Or you can go more advanced, and provide some settings as your 2nd argument to the render function:

const { render } = require('@nexrender/core')

const main = async () => {
    const result = await render(/*myJobJson*/, {
        workpath: '/Users/myname/.nexrender/',
        binary: '/Users/mynames/Applications/aerender',
        skipCleanup: true,
        addLicense: false,
        debug: true,
    })
}

main().catch(console.error);

Information

The module reuturns 2 methods, init and render.

First one is responsible for setting up the env, checking if all needed patches for AE are in place, automatically adding render-only license file for a free usage of Adobe's product (unless disabled), and a few other minor things.

Second one is responsible for mainly job-related operations of the full cycle: downloading, rendering, processing, and uploading.

init accepts an object, containing additional options:

  • workpath - string, manually set path to working directory where project folder will be created, overrides default one in system temp folder
  • binary - string, manually set path pointing to the aerender(.exe) binary, overrides auto found one
  • debug - boolean, enables or disables debug mode, false by default
  • skipCleanup - boolean, providing true will prevent nexrender from removing the temp folder with project (false by default)
  • skipRender - boolean, providing true will prevent nexrender from running actual rendering, might be useful if you only want to call scripts
  • multiFrames - boolean, providing true will attmpt to use aerender's built-in feature of multi frame rendering (false by default)
  • reuse - boolean, false by default, (from Adobe site): Reuse the currently running instance of After Effects (if found) to perform the render. When an already running instance is used, aerender saves preferences to disk when rendering has completed, but does not quit After Effects. If this argument is not used, aerender starts a new instance of After Effects, even if one is already running. It quits that instance when rendering has completed, and does not save preferences.
  • maxMemoryPercent - integer, undefined by default, check original documentation for more info
  • imageCachePercent - integer, undefined by default, check original documentation for more info
  • addLicense - boolean, providing false will disable ae_render_only_node.txt license file auto-creation (true by default)
  • forceCommandLinePatch - boolean, providing true will force patch re-installation
  • onInstanceSpawn - a callback, if provided, gets called when aerender instance is getting spawned, with instance pointer. Can be later used to kill a hung aerender process. Callback signature: function (instance, job, settings) {}