Content

Background

swf2js.js is a JavaScript FlashPlayer emulator that analyzes SWF files of Adobe Animate (Flash) in real time and converts them to HTML.

swf2js.min.js is the minified version created with [Google Closure Compiler)(https://developers.google.com/closure/compiler).

This version is an adaption based on swf2js.js version 0.7.8 from https://github.com/swf2js/swf2js.com/blob/master/assets/js/swf2js.js

Added support for sounds and soundstreams

Sounds : mp3, raw (wave), ADPCM, NellyMoser.
Soundstreams : mp3, raw (wave), ADPCM.

Warning : no support for Actionscript 3.

For the source see https://github.com/music4classicalguitar/swf2js.

See https://github.com/swf2js/swf2js and https://swf2js.com/en/ for a commercial version that supports Actionscript 3.

Basic usage

<script type="text/javascript" src="swf2js.js"></script>
<script type="text/javascript">
    swf2js.load('SET SWF PATH');
</script>

Options

Option	Description	Additional information
tagId	Place swf-player in element with tag 'tagId'
width	Set width of swf-player
height	Set height of swf-player
callback	Function to be called when swf-player has loaded the swf-file
FlashVars
quality	Values : "low", use devicePixelRatio*0.5 or "high", use devicePixelRatio	See devicePixelRatio
bgcolor	Set background color

Example usage of options.

<div id="swf_1" style="width: 320px; height: 320px;"></div>
<div id="swf_2" style="width: 320px; height: 320px;"></div>
<script type="text/javascript" src="swf2js.js"></script>
<script type="text/javascript">
        swf2js.load('analog20.swf', {tagId: "swf_1", width: 320, height});
        swf2js.load('mogura.swf', {tagId: "swf_2"});
</script>

See example_options.html

Examples

Animated music

Known problems

More than one swf-file in a page does not work properly.
Obviously Adobe FlashPlayer knows the exact frame size, even if bigger than the specified framesize in the header.
See examples : mogura and PlayPauseStop5
Video (mp4 and flv) not supported.

See also https://swf2js.com/en/#skills for the differences between the free and the commercial version.

Information

SWF FILE FORMAT SPECIFICATION VERSION 19
https://www.adobe.com/content/dam/acom/en/devnet/pdf/swf-file-format-spec.pdf