README.md · chinafeng/ffcreator

[English](./README.md) | [简体中文](./README.zh-CN.md)

## Overview

FFCreator is a lightweight and flexible short video processing library based on <a href="http://nodejs.org" target="_blank">Node.js</a>. You only need to add some pictures, music or video clips, you can use it to quickly create a very exciting video album.

Nowadays, short video is an increasingly popular form of media communication. Like [_weishi_](https://weishi.qq.com/) and _tiktok_ is full of all kinds of wonderful short videos. So how to make users visually create video clips on the web easily and quickly. Or based on pictures Text content, dynamic batch generation of short videos is a technical problem.

`FFCreator` is a lightweight and flexible solution that requires few dependencies and low machine configuration to start working quickly. And it simulates 90% animation effects of [`animate.css`](https://animate.style/). You can easily convert the animation effects on the web page side into videos.

When you need to process a lot of video without special cool transition animations, `FFCreatorLite` is a better choice, please click [*here*](https://tnfe.github.io/FFCreator/#/guide/lite) for details.

#### For more introduction, please see [here](https://tnfe.github.io/FFCreator/#/README)

### Features

- Based on `node.js` development, it is very simple to use and easy to expand and develop.
- Very few dependencies, easy to install, cross platform, just a common configuration linux server.
- The video processing speed is very fast, a 5 minute video only needs 1-2 minutes.
- Nearly a hundred kinds of scene transition animation effects.
- Support picture, sound, video clips, text and other elements.
- Contains most animation effects of [`animate.css`](https://animate.style/), css animation is converted to video.
- Support subtitle components, can combine subtitles to speech to produce audio news.
- Support simple (expandable) `VTuber`, you can add `YouTuber` based on sequence frames.
- `FFCreatorLite` has faster speed, sometimes it is more suitable for you than `FFCreator`.

## Demo

## Useage

### Install npm Package

```javascript
npm install ffcreator --save
```

Note: To run the preceding commands, Node.js and npm must be installed.

#### Node.js

```javascript
const { FFScene, FFText, FFVideo, FFAlbum, FFImage, FFCreator } = require("ffcreator");

// Create FFCreator instance
const creator = new FFCreator({
    cacheDir,
    outputDir,
    width: 800,
    height: 450
});

// Create scene
const scene = new FFScene();
scene.setBgColor("#ffcc22");
scene.setDuration(6);
scene.setTransition("GridFlip", 2);
creator.addChild(scene);

// Create Image and add animation effect
const image = new FFImage({ path: path.join(__dirname, "../assets/01.jpg") });
image.addEffect("moveInUp", 1, 1);
image.addEffect("fadeOutDown", 1, 4);
scene.addChild(image);

// Create Text
const text = new FFText({ text: "hello 你好", x: 400, y: 300 });
text.setColor("#ffffff");
text.setBackgroundColor("#000000");
text.addEffect("fadeIn", 1, 1);
scene.addChild(text);

// Create a multi-photo Album
const album = new FFAlbum({
    list: [img1, img2, img3, img4],   // Picture collection for album
    x: 250,
    y: 300,
    width: 500,
    height: 300,
});
album.setTransition('zoomIn');      // Set album switching animation
album.setDuration(2.5);             // Set the stay time of a single sheet
album.setTransTime(1.5);            // Set the duration of a single animation
scene.addChild(album);

// Create Video
const video = new FFVideo({ path, x: 300, y: 50, width: 300, height: 200 });
video.addEffect("zoomIn", 1, 0);
scene.addChild(video);

creator.output(path.join(__dirname, "../output/example.mp4"););
creator.start();        // Start processing
creator.closeLog();     // Close log (including perf)

creator.on('start', () => {
    console.log(`FFCreator start`);
});
creator.on('error', e => {
    console.log(`FFCreator error: ${JSON.stringify(e)}`);
});
creator.on('progress', e => {
    console.log(colors.yellow(`FFCreator progress: ${e.state} ${(e.percent * 100) >> 0}%`));
});
creator.on('complete', e => {
    console.log(colors.magenta(`FFCreator completed: \n USEAGE: ${e.useage} \n PATH: ${e.output} `));
});
```

#### For a more detailed tutorial, please check [here](https://tnfe.github.io/FFCreator/#/guide/useage)

### About Audio

Sound is the soul of a video. FFCreator supports multiple ways to add audio. You can not only add global background music, but also set your own voice or soundtrack for each individual scene.

- In FFVideo - Turn on video background music (default off).

```javascript
const video = new FFVideo({path, x: 100, y: 150, width: 500, height: 350});
video.setTimes('00:00:18', '00:00:33');
video.setAudio(true); // Turn on
```

- Add a global background audio.

```javascript
const creator = new FFCreator({
  cacheDir,
  outputDir,
  audio: path, // background audio
});

// or
creator.addAudio({path, loop, start});
```

- Add your own separate music for each scene.

```javascript
scene.addAudio(path);
// or
scene.addAudio({path, loop, start});
```

## Installation

### 1. Install `node-canvas` and `headless-gl` dependencies

> ##### If it is a computer with a display device, such as a personal `pc` computer with `windows`, `Mac OSX` system, or a `server` server with a graphics card or display device, you can skip this step without installing this dependency.

If you are using `Centos`, `Redhat`, `Fedora` system, you can use `yum` to install.

```shell
sudo yum install gcc-c++ cairo-devel pango-devel libjpeg-turbo-devel giflib-devel
```

Install[`Xvfb`](https://linux.die.net/man/1/xvfb) and [`Mesa`](http://www.sztemple.cc/articles/linux%E4%B8%8B%E7%9A%84opengl-mesa%E5%92%8Cglx%E7%AE%80%E4%BB%8B)

```shell
sudo yum install mesa-dri-drivers Xvfb libXi-devel libXinerama-devel libX11-devel
```

If you are using `Debian`, ʻubuntu` system, you can use ʻapt` to install.

```shell
sudo apt-get install libcairo2-dev libjpeg-dev libpango1.0-dev libgif-dev build-essential g++
sudo apt-get install libgl1-mesa-dev xvfb libxi-dev libx11-dev
```

### 2. Because FFCreator depends on `FFmpeg`, you need to install a regular version of `FFmpeg`

- How to Install and Use FFmpeg on CentOS [https://linuxize.com/post/how-to-install-ffmpeg-on-centos-7/](https://linuxize.com/post/how-to-install-ffmpeg-on-centos-7/)
- How to Install FFmpeg on Debian [https://linuxize.com/post/how-to-install-ffmpeg-on-debian-9/](https://linuxize.com/post/how-to-install-ffmpeg-on-debian-9/)

#### For a more detailed tutorial, please check [here](https://tnfe.github.io/FFCreator/#/guide/installation)

## Start Up

> If it is a computer with a display device, such as a personal pc computer or a server server with a graphics card or display device, start normally `npm start`

#### Otherwise, You must use the `xvfb-run` script command to start the program to use webgl under the Linux server

xvfb-run more detailed command parameters [http://manpages.ubuntu.com/manpages/xenial/man1/xvfb-run.1.html](http://manpages.ubuntu.com/manpages/xenial/man1/xvfb-run.1.html)

```shell
xvfb-run -s "-ac -screen 0 1280x1024x24" npm start
```

## Questions

1. During installation warning missing package'xi'

```shell
No package 'xi'

foundgyp: Call to 'pkg-config --libs-only-l x11 xi xext' returned exit status 1 while in angle/src/angle.gyp. while loading dependencies of binding.gyp while trying to load binding.gyp
```

#### Solution

```shell
yum install libXi-devel libXinerama-devel libX11-devel
```

2. Start node app and prompt error message `doesn't support WebGL....`

#### Solution

The node app should be started as follows.

```shell
xvfb-run -s "-ac -screen 0 1280x1024x24" npm start
```

3. Npm install error `ERR! command sh -c node-pre-gyp install --fallback-to-build`

#### Solution

It may be caused by your node version. If it is nodev15, there will be this problem. [https://github.com/Automattic/node-canvas/issues/1645](https://github.com/Automattic/node-canvas/issues/1645) . Please downgrade to node v14.

## Contribute

You are very welcome to join us in developing `FFCreator`, if you want to contribute code, please read [here](./CONTRIBUTING.md).

## License

[MIT](./LICENSE)

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