Introducing JW Labs, the innovation hub for online video technology

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Read all about JW Player and what it supports

JW Player supports a range of styling options, playback features, and file formats. In addition, it’s highly extensible via APIs to meet a wide range of use cases.

Media Support
Video files

MP4 (H.264/AAC), FLV (VP6/MP3) *, WebM (VP8/Vorbis) *

* Browser dependent

Audio files

AAC, MP3, Vorbis *

* Browser dependent

YouTube

Support for YouTube videos through their Chromeless Player API *

* Browser dependent

Streaming protocols

Adobe RTMP *, Apple HLS *

* Browser dependent

Device Support
Desktop browsers

Chrome **, Internet Explorer 8+, Firefox **, Safari **, Opera **

** Latest, or most widely used version http://gs.statcounter.com/

Mobile devices

iOS**, Android 2.3, Android 4

** Latest, or most widely used version http://david-smith.org/iosversionstats/

Rendering modes

Support for Flash + HTML5 on desktops (auto-detected), HTML5 on devices

Built-in download fallback adds basic playback to other devices (e.g. Blackberry, Android 2.2)

Embedding Options
Content

file, image, title

Extensive configuration through “playlists” (see below)

Layout

controls, width, height, skin, stretching

Minimum dimensions 320×180, or 320×30 (“audio” mode)

Behaviour

autostart *, fallback, mute *, primary *, repeat

* Not supported on mobile devices

Logo

Set file, link, hide, margin and position of custom watermark *

* Only supported in Pro/Premium/Enterprise editions

Playlists
Inline playlists

Item properties: title, description, mediaid, image, sources

Source properties*: file, type, width, height

* Set multiple sources to increase device coverage or render a “quality” selection menu

RSS Feeds

Support for RSS and MediaRSS extensions

Multiple sources are loaded by setting multiple media:content elements

Playlist component

Set to bottom or right of display at configurable size

Displays image, title and description for each item

Captions
External formats

WebVTT *, SRT, DFXP * (no cue styling support)

* No support for cue layout or styling.

Embedded formats

TX3G text tracks in MP4 **

** Supported on desktops in Flash mode and on iOS

Playlists

Support for multiple caption tracks (file/label) per playlist item

RSS captions support through the “media:subtitle” element

Skinning
Format

XML, with PNG images (external or base64) *

Components

Controlbar, Display, Tooltip, Dock, Playlist

Included skins

Six (default), Five, Bekle*, Glow*, Modieus*, Stormtrooper*, Beelden*, Roundster*, Vapor*

* Included with Pro, Premium, and Enterprise editions

JavaScript API
API classes

Ready, Playlist, Buffer*, Playback*, Seek*, Volume*, Resize, Quality*, Button, Controls*, Error, Metadata*

* Certain limitations on mobile devices

Analytics
JW Player Analytics

Tracking plays, viewers, & time watched per day, by device & location, across all embeds*

* Free service, available to all JW Player users

Google Analytics

Tracking plays and completes per video **

** Only supported in Premium and Enterprise editions

Streaming
RTMP

Single MP4, FLV, AAC, MP3 or live stream

Dynamic streams w/automatic bitrate switching *

Options for bufferlength, securetoken (Wowza only), fcsubscribe (certain CDNs)

* Requires SMIL manifest and streams of same format / keyframe interval

Apple HLS

Playback in desktop browsers (Flash mode) and iOS

Supports all features of version 5 of the Pantos IETF draft.

The following are features supported in the Premium edition – Adaptive streaming, manual quality switching, discontinuity tag support, TS with H.264 video and/or AAC/MP3 audio, or elementary AAC/MP3 audio.

In addition to what is in Premium, the Enterprise edition supports AES decryption, DVR Live streaming, and CEA-608 captions.

Flash pseudo-streaming ***

Supports mod_h264 (apache/iis/nginx), mod_flvx (apache) or HttpFlvModule (nginx)

*** Pseudo-streaming in HTML5 mode is always supported

Server and CDN support

Official server support for Wowza Media Server and Adobe Media Server

Official CDN support for Akamai, Cloudfront, Edgecast and Limelight

Discovery
Social Sharing *

Configurable video link / embed code per playlist item

Shortcuts for posting video link to Facebook, Twitter, Email

Related Videos *

Configurable list of related videos (RSS feed) per playlist item

Displayed on complete and/or button click

* Only supported in Premium and Enterprise editions

Advertising
VAST/VPAID **

VAST 3.0 / VPAID 1.0 compliant, supporting linear and non-linear ads with companions, Ad Pods, and skippable-linear ads.

** Please contact us for more information on VAST/VPAID support

VMAP 1.0

Support for custom ad scheduling with VMAP 1.0 xml tags.

Google IMA (DFP) ***

Linear pre-, mid- and post-roll videos, non-linear AdSense overlays, HTML companions

Configurable ad message for linear ads

* Only supported in Enterprise edition, Flash rendering mode for desktop and HTML5 on iOS/Android.