videojs-dynamic-watermark

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videojs-dynamic-watermark

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Displays text watermark over the VideoJS player and updates the position dynamically.

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- [videojs-dynamic-watermark](#videojs-dynamic-watermark)
  - [Table of Contents](#table-of-contents)
  - [Installation](#installation)
  - [Installation](#installation-1)
  - [Plugin Options](#plugin-options)
    - [Default options](#default-options)
    - [Options](#options)
  - [Usage](#usage)
    - [`<script>` Tag](#script-tag)
    - [Browserify/CommonJS](#browserifycommonjs)
    - [RequireJS/AMD](#requirejsamd)
  - [License](#license)

# videojs-dynamic-watermark

Displays text watermark over the VideoJS player and updates the position dynamically.

## Table of Contents

## Installation

- [Installation](#installation)
- [Plugin Options](#plugin-options)
  - [Default options](#default-options)
  - [Options](#options)
- [Usage](#usage)
  - [`<script>` Tag](#script-tag)
  - [Browserify/CommonJS](#browserifycommonjs)
  - [RequireJS/AMD](#requirejsamd)
- [License](#license)

## Installation

```sh
npm install --save videojs-dynamic-watermark
```

## Plugin Options

### Default options

```js
{
  elementId: 'unique-id',
  watermarkText: 'sbbullet',
  changeDuration: 1000,
  cssText: 'display: inline-block; color: grey; background-color: transparent; font-size: 1rem; z-index: 9999; position: absolute; @media only screen and (max-width: 992px){font-size: 0.8rem;}'
}

```

### Options

- _elementId_ `string` Unique id to be used as the `id` attribute of watermark element. Must be unique in the DOM.
- _watermarkText_ `string` Watermark text content
- _changeDuration_ `int` Milliseconds after which the position of watermark is changed. FYI `1000 milliseconds = 1 second`
- _cssText_ `string` CSS style properties to be used for the watermark. Tweak the look and feel of the watermark text as you wish using CSS

## Usage

To include videojs-dynamic-watermark on your website or web application, use any of the following methods.

### `<script>` Tag

This is the simplest case. Get the script in whatever way you prefer and include the plugin _after_ you include [video.js][videojs], so that the `videojs` global is available.

**_With Default Options_**

```html
<script src="//path/to/video.min.js"></script>
<script src="//path/to/videojs-dynamic-watermark.min.js"></script>
<script>
  var player = videojs("my-video");

player.dynamicWatermark();
</script>
```

**_With Custom Options_**

```html
<script src="//path/to/video.min.js"></script>
<script src="//path/to/videojs-dynamic-watermark.min.js"></script>
<script>
  var player = videojs("my-video");

player.dynamicWatermark({
    elementId: "unique_id",
    watermarkText: "It will be displayed over video",
    changeDuration: 1000,
    cssText:
      "display: inline-block; color: grey; background-color: transparent; font-size: 1rem; z-index: 9999; position: absolute; @media only screen and (max-width: 992px){font-size: 0.8rem;}",
  });
</script>
```

**_Using image or other elements_**

You can use image, svg or any other HTML element like a button (which if clicked goes to some url) as your watermark content simply by this tricky hack.

```html
<script src="//path/to/video.min.js"></script>
<script src="//path/to/videojs-dynamic-watermark.min.js"></script>
<script>
  var player = videojs("my-video");

player.dynamicWatermark({
    elementId: "unique_id",
    watermarkText: "<img height='20' width='20' src='https://i.pravatar.cc' />",
    changeDuration: 1000,
    cssText:
      "display: inline-block; color: grey; background-color: transparent; font-size: 1rem; z-index: 9999; position: absolute; @media only screen and (max-width: 992px){font-size: 0.8rem;}",
  });
</script>
```

### Browserify/CommonJS

When using with Browserify, install videojs-dynamic-watermark via npm and `require` the plugin as you would any other module.

```js
var videojs = require("video.js");

// The actual plugin function is exported by this module, but it is also
// attached to the `Player.prototype`; so, there is no need to assign it
// to a variable.
require("videojs-dynamic-watermark");

var player = videojs("my-video");

player.dynamicWatermark();
```

### RequireJS/AMD

When using with RequireJS (or another AMD library), get the script in whatever way you prefer and `require` the plugin as you normally would:

```js
require(["video.js", "videojs-dynamic-watermark"], function (videojs) {
  var player = videojs("my-video");

player.dynamicWatermark();
});
```

## License

MIT. Copyright (c) Santosh Bhattarai &lt;mr.bullet.sb@gmail.com&gt;

[videojs]: http://videojs.com/

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