ECM decode utility for Node.js


This project is a port of the ECM decode utility from ECM.

Installation

``
npm install unecm --save
`

Usage

`
var unecm = require('unecm')

var handler = unecm('Metal Slug X.img.ecm');

handler.on('error', function (data) {
console.log(data);
});

handler.on('progress', function (data) {
console.log(data);
});

handler.on('complete', function (data) {
console.log(data);
});
`

$3

Either the source or the destination has to be provided.
__Note: a source file must with .ecm, the destination can't ends with .ecm__

The ECM format allows you to reduce the size of a typical CD image file (BIN, CDI, NRG, CCD, or any other format that uses raw sectors; results may vary).

#### Parameters:

source - string - The source file. If not provided, the destination path plus the .ecm will be used.
destination - string - The destination file. If not provided, the source path minus the .ecm will be used.

#### Returns:

EventEmitter

#### Events

##### progress
Emitted during the encoding

parameter: data

data.progression - Number - 0..100 - Progression of the decoding

##### error
Emitted when an error has occurred

parameter: data

data.error - String - Label of the error


##### complete
Emitted when encoding is finished

parameter: data

data.inLength - Number - Source length
data.outLength` - Number - Destination length

License

GPL-2.0