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1.0.1 • Public • Published

Module omx-manager

  1. Presentation
  2. Features
  3. Usage
  4. Basic usage
  5. Multiple files
  6. Loop support
  7. Arguments
  8. Status
  9. Videos directory
  10. Videos extension
  11. Omx command
  12. Other methods
  13. Events
  14. Todo

Note: Complete documentation can be found on github repo pages.


omx-manager is a Nodejs module providing a simple and complete interface to official omxplayer.
You can install through npm with $> npm install omx-manager.
Note: You can also use a fork version, but you should adjust omx-manager according to your version.
Note 2: This README is made with official omxplayer in mind.


  • Supports multiple files (see below)
    • Provide a fallback as omxplayer doesn't support it natively
  • Supports loop (see below)
    • Provide a fallback if omxplayer doesn't support it natively
  • Supports all arguments
    • Simply it doesn't filter any arguments
  • Built-in fix for omxplayer hanging (reported here)


Basic usage

var OmxManager = require('omx-manager');
var manager = new OmxManager(); // OmxManager
var camera = manager.create('video.avi'); // OmxInstance
camera.play(); // Will start the process to play videos

Note: Whenever you create() something through the manager, you will get back an OmxInstance which serves to control the actual underlaying process.

Multiple files

manager.create(['video.avi', 'anothervideo.mp4', 'video.mkv']);

WARNING: at this time multiple files playing is not supported by official omxplayer, so omx-manager will handle it.

Loop support

Official omxplayer supports native loop with --loop flag (but only for 1 video), this means that the --loop flag will be appended to the process ONLY if the videos argument contains exactly one video:

manager.create('video.avi', {'--loop': true});
// this will start omxplayer with '--loop'

So will be the omxplayer process itself to handle the loop for the video.
WARNING: this means that you won't get events play and stop because the underlaying process cannot notify omx-manager of the new start. For uniformity you shouldn't use the native loop.

Otherwise, when you pass more than one video with a loop flag or you didn't enable the nativeLoop, omx-manager will ignore that flag and provide a built-in fallback:

// manager.enableNativeLoop();
manager.create('video.avi', {'--loop': true});
manager.create(['video.avi', 'anothervideo.avi'], {'--loop': true});
// both will start omxplayer without '--loop'

So will be the omx-manager to handle the loop, providing a fallback (see below).

Loop fallback

Official omxplayer doesn't supports native loop over multiple files, so omx-manager provide a fallback: once a video is ended, another process is spawned.


Any arguments declared in the omxplayer repository.
To set an argument with value use 'argument': <value> otherwise, if argument doesn't have a value, use 'argument': true.

Note: If you set an argument that omxplayer doesn't support or declare, omx-manager will anyway add it to the omx process spawn. This mean that will be the omxplayer itself to handle the argument.

WARNING: About loop see above.

Example object

  '-o': 'hdmi',
  '-p': true,
  '--vol': 13,
  '-p': true,
  '--argument-that-doesnt-exists': true //this will be passed to omx process (see note above)

Example play

manager.create('video.mp4', {'-p': true}); // enables audio passthrough
manager.create('video.mp4', {'-o': 'hdmi'}); // HDMI audio output


var status = camera.getStatus();

Return an object with the current status.


  pid: number|null,
  videos: Array<string>,    // videos array passed to play(videos, args)
  current: string, // current video playing
  args: object,  // args object passed to play(videos, args)
  playing: boolean  // true if not paused, false if paused

Videos directory


Set where to look for videos. Useful when all videos are in the same directory. Default to ./

Instead of this:

manager.create(['/home/pi/videos/foo.mp4', '/home/pi/videos/bar.mp4', '/home/pi/videos/baz.mp4']);

It's possible to use this shortcut:

manager.create(['foo.mp4', 'bar.mp4', 'baz.mp4']);

Videos extension


Set an extension for videos. Useful when all videos share the same format. Default to ''

Note: You must set a full extension including initial dot. In fact, this is just a post-fix to every path.

Instead of this:

manager.create(['foo.mp4', 'bar.mp4', 'baz.mp4']);

It's possible to use this shortcut:

manager.create(['foo', 'bar', 'baz']);

Omx command


Set the default command to spawn. Default to omxplayer

Useful when omxplayer isn't in your path or you want to specify a different name for the spawn.

manager.create('video.avi'); // the process is spawned calling '/usr/local/bin/omxplayer-fork'

Other methods

Refer to documentation for complete information about api.


// successfully started a video or resumed from pause
camera.on('play', function(video) {});  
// successfully paused a video
camera.on('pause', function() {});
// successfully stopped a video (omxplayer process ends)
camera.on('stop', function() {});
// videos to play are ended (never called if you are in a loop condition)
camera.on('end', function() {});

Refer to documentation for complete information about events.


Your suggestions are welcome!

  • Syncing videos between different devices through a custom server (built-in)


npm i sd-omx-manager

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