GPM format

GPM (Geo Positioning Multimedia) file format focuses in linking multimedia content to a GPS trace.

Specs

Tests

For windows users, an easy way to use jasmine command is to install jasmine globally.

npm i -g jasmine

Type jasmine or npm test in the project directory to run the tests. They are running on examples files.

Tools

Packer

Command line :

node ./tools/packer.js ./examples/trace ./examples/trace.gpm

Code :

const packer = require('gpm/tools/packer');

packer(directory, file)
  .then(() => {
    console.log('Package packed');
  })
  .catch((e) => {
    console.error(e)
  })
;

packer() returns a Promise

Extractor

Command line :

node ./tools/extractor.js ./examples/trace.gpm ./examples

Code :

const extractor = require('gpm/tools/extractor');

extractor(file, directory)
  .then(() => {
    console.log('Package extracted');
  })
  .catch((e) => {
    console.error(e)
  })
;

extractor() returns a Promise

Reader

Usage :

var reader = require('gpm/tools/reader');

var stream = reader('./examples/trace.gpm')
  .on('entry', function(e) {
    console.log('entry', e.props);
  })
  .on('end', function() {
    console.log('done reading package');
  })
  .on('error', function(e) {
    console.error('error while reading package', e);
  })
;

reader() returns a Readable Stream