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Aliasing
Collecting media data is critical for tracking user behavior when your customers consume video or audio content through Android and iOS mobile applications or on the web. The mParticle Media SDK (Media SDK) is a toolset for integrating media analytics into your customer experience.
Set up the appropriate client SDK, and then the Media SDK.
To use the Media SDK, you need a working instance of an mParticle client SDK in a self-hosting
environment. For more information, see the self-hosting documentation.
// command line
npm i @mparticle/web-sdk @mparticle/web-media-sdk @mparticle/web-adobe-client-kit
// Import each library
import mParticle from '@mparticle/web-sdk';
import MediaSession from '@mparticle/web-media-sdk';
import Adobe from '@mparticle/web-adobe-client-kit';
// Configure mParticle as needed for your project
const mParticleConfig = {
// configuration items
};
// Register each kit to the configuration
Adobe.register(mParticleConfig);
// Initialize mParticle
mParticle.init('your-api-key', mParticleConfig);
The Web Media SDK provides a MediaSession
object. Each MediaSession
object represents a single media experience and relates one-to-one to a piece of content. For example, if a customer is watching a video, pausing, seeking and scrubbing, that is considered a single session. If a customer stops the video, and plays another piece of content, that is a new session.
When creating a new MediaSession
object, the pageEventToggle
and mediaEventToggle
fields are optional. Both fields default to false
if no value is provided.
pageEventToggle
is set as true
, a PageEvent
is logged when the session starts.mediaEventToggle
is set as true
, a Media
event is logged when the session starts.true
, both event types are logged.const mediaSession = new MediaSession(
mParticle, // mParticle SDK Instance
'1234567', // Custom media ID
'Funny Internet cat video', // Custom media Title
120000, // Duration in milliseconds
'Video', // Content Type (Video or Audio)
'OnDemand', // Stream Type (OnDemand, Live, etc.)
true, // Log Page Event Toggle (true/false)
true, // Log Media Event Toggle (true/false)
{
"my_session_attribute": "My Session Attribute"
} // (optional) Custom Session Attributes object used for each media event within the Media Session
);
Property | Type | Description |
---|---|---|
sdk | object | mParticle SDK Instance |
mediaID | string | Custom Media ID |
mediaTitle | string | Title of the Media Content |
duration | integer | Length of time for the Media Content |
contentType | enum | Type of content (Video or Audio ) |
streamType | enum | Type of Stream (OnDemand , Live , Linear , Podcast , Audiobook ) |
pageEventToggle | boolean | Optional. Defaults to false . If set to true , a PageEvent event is logged when the session starts |
mediaEventToggle | boolean | Optional. Defaults to false . If set to true , a Media event is logged when the session starts |
Now that you have an instance of a media session, you can process the session summary events: segment summary events, and ad events. Summary events are automated events that contain an accumulated record of what occured during a session, individual segments, and individual ads.
A Session Summary event tracks from when a MediaSession
is initialized to when it’s de-initialized or when logMediaSessionEnd
is called. The more accurate and detailed you are with logPlay
, logPause
, logAdStart
, and other media events, the more accurate the summary data will be.
The following table explains the different parts of the Session Summary event.
Session Summary Keys | Description |
---|---|
“media_session_id” | A unique identifier automatically created for each session |
“content_id” | A unique identifier that can set by the user when initializing a session |
“content_title” | The title of the content. Can be set by the user when initializing a session |
“media_session_start_time” | Timestamp created on logMediaSessionStart event |
“media_session_end_time” | Timestamp of most recent valid event |
“media_time_spent” | Total seconds user spent on this session |
“media_content_time_spent” | The total seconds user spent playing content |
“media_content_complete” | True if logMediaContentEnd was called or if user progressed past percentage set in MediaSession.mediaContentCompleteLimit |
“media_session_segment_total” | The number of segments progressed into by the user |
“media_total_ad_time_spent” | The total seconds that ads played during this session |
“media_ad_time_spent_rate” | The parcentage of playback time that was ad content |
“media_session_ad_total” | The number of ads played in the media session |
“media_session_ad_objects” | An array of unique identifiers for ads played during this media session |
A Segment Summary event tracks from when logSegmentStart
is called to when either logSegmentSkip
or logSegmentEnd
is called. Segments could be the chapters of an audiobook or scenes in a movie.
The following table explains the different parts of the Segment Summary event.
Segment Summary Keys | Description |
---|---|
“media_session_id” | A unique identifier automatically created for each session |
“content_id” | A unique identifier that can set by the user when initializing a session |
“segment_title” | The title of the segment |
“segment_index” | The index of the segment |
“segment_start_time” | Timestamp created on logSegmentStart event |
“segment_end_time” | Timestamp of most recent valid event in segment |
“media_segment_time_spent” | Total seconds user spent on this segment |
“segment_completed” | True if logSegmentEnd was called to end the segment |
“segment_skipped” | True if logSegmentSkip was called to end the segment |
An Ad Summary event tracks from when logAdStart
is called to when either logAdSkip
or logAdEnd
is called.
The following table explains the different parts of the Ad Summary event.
Ad Summary Keys | Description |
---|---|
“media_session_id” | A unique identifier automatically created for each session |
“ad_break_id” | A unique identifier that can set by the user when initializing an ad break |
“ad_content_id” | A unique identifier that can set by the user when initializing an ad |
“ad_content_title” | The title of the ad |
“ad_content_start_time” | Timestamp created on logAdStart event |
“ad_content_end_time” | Timestamp of most recent valid event in segment |
“ad_completed” | True if logAdEnd was called to end the segment. |
“ad_skipped” | True if logAdSkip was called to end the segment. |
Once your session is instantiated, you will need to trigger a SessionStart
. This should be done at the moment the user interacts with your content. For example, if the media is set to trigger on a user click, and your player fires a play
event when the content starts, the session must begin before the play
event.
const options = {
customAttributes: {
},
currentPlayheadPosition: 0,
};
mediaSession.logMediaSessionStart(options);
const options = {
customAttributes: {
content_rating: 'epic',
additional: {
attribute: 'foo',
},
},
currentPlayheadPosition: 0,
};
mediaSession.logPlay(options);
pause
const options = {
customAttributes: {
content_rating: 'epic',
additional: {
attribute: 'foo',
},
},
currentPlayheadPosition: 32,
};
mediaSession.logPause(options);
const options = {
customAttributes: {
content_rating: 'epic',
additional: {
attribute: 'foo',
},
},
currentPlayheadPosition: 30000,
};
mediaSession.logMediaContentEnd(options);
const options = {
customAttributes: {
content_rating: 'epic',
additional: {
attribute: 'foo',
},
},
currentPlayheadPosition: 30000,
};
mediaSession.logMediaSessionEnd(options);
In most cases, advertising comes in as a series of Ad Breaks
each containing numerous Ads
. The Media SDK provides both sets of functionality so that you can track this behavior.
AdBreakStart
eventmediaSession.logAdBreakStart({
id: '123456', // ad_break_id for Ad Break Start/End and Summary events
title: 'pre-roll', // ad_break_title
duration: 6000 // ad_break_duration
});
AdStart
eventmediaSession.logAdStart({
id: '4423210', // ad_content_id for Ad Start/End and Summary events
advertiser: "Mom's Friendly Robot Company", // ad_content_advertiser
title: 'What?! Nobody rips off my kids but me!', // ad_content_title
campaign: 'MomCorp Galactic Domination Plot 3201', // ad_content_campaign
duration: 60000, // ad_content_duration
creative: 'A Fishful of Dollars', // ad_content_creative
siteid: 'moms', // ad_content_site_id
placement: 'first', // ad_content_placement
position: 0 // ad_content_position
});
AdEnd
or AdSkip
when appropriatemediaSession.logAdEnd();
AdBreakEnd
event when all ads have completedmediaSession.logAdBreakEnd();
You can create custom media session attributes when initializing a new media session directly in the MediaSession()
builder. These custom session attributes are helpful when you need to track data like the specific page a piece of content was viewed on.
Custom media session attributes are automatically propagated to all subsequent media events logged during the session in addition to the media session summary event. Since custom session attributes are propagated to any event (a media event, advertising event, or a custom events) that is logged during the session, you don’t need to set these attributes again when you trigger the start of a media session.
There are several differences between event-level custom attributes and custom media session attributes:
const mediaSession = new MediaSession(
mParticle, // mParticle SDK Instance
'1234567', // Custom media ID
'Funny Internet cat video', // Custom media Title
120000, // Duration in milliseconds
'Video', // Content Type (Video or Audio)
'OnDemand', // Stream Type (OnDemand, Live, etc.)
true, // Log Page Event Toggle (true/false)
true, // Log Media Event Toggle (true/false)
{
"my_session_attribute": "My Session Attribute"
} // (optional) Custom Session Attributes object used for each media event within the Media Session
);
The Media SDK generates a MediaEvent
for client-side kits such as Adobe Media Analytics, however the event can be converted to look just like a typical mParticle custom event that may be used to create audiences, used in calculated attributes, and sent to most mParticle integrations for analysis and activation.
To enable Custom event generation, pass a boolean to the initialization of your MediaSession
to enable the Log Page Event (aka Custom Event) feature:
// Later in your code, when a user begins to engage with your content
const mediaSession = new MediaSession(
mParticle, // mParticle SDK Instance
'1234567', // Custom Media ID
'Funny Internet cat video', // Custom Media Title
120000, // Duration in milliseconds
'Video', // Content Type (Video or Audio)
'OnDemand' // Stream Type (OnDemand or LiveStream)
true // Log Page Event Toggle (true/false)
)
The Media SDK will generate Custom events per the specification below.
The Media SDK exposes methods that will trigger Media Events based on the most common player functions. The Media SDK maps every MediaSession
API to a predefined Custom event name. The table below details all of the predefineed Media Events:
Media Session API | Custom Event Name |
---|---|
mediaSession.logPlay() | ‘Play’ |
mediaSession.logPause() | ‘Pause’ |
mediaSession.logMediaContentEnd() | ‘Media Content End’ |
mediaSession.logMediaSessionStart() | ‘Media Session Start’ |
mediaSession.logMediaSessionEnd() | ‘Media Session End’ |
mediaSession.logSeekStart() | ‘Seek Start’ |
mediaSession.logSeekEnd() | ‘Seek End’ |
mediaSession.logBufferStart() | ‘Buffer Start’ |
mediaSession.logBufferEnd() | ‘Buffer End’ |
mediaSession.logPlayheadPosition() | ‘Update Playhead Position’ |
mediaSession.logAdClick() | ‘Ad Click’ |
mediaSession.logAdBreakStart() | ‘Ad Break Start’ |
mediaSession.logAdBreakEnd() | ‘Ad Break End’ |
mediaSession.logAdStart() | ‘Ad Start’ |
mediaSession.logAdEnd() | ‘Ad End’ |
mediaSession.logAdSkip() | ‘Ad Skip’ |
mediaSession.logSegmentStart() | ‘Segment Start’ |
mediaSession.logSegmentEnd() | ‘Segment End’ |
mediaSession.logSegmentSkip() | ‘Segment Skip’ |
mediaSession.logUpdateQoS() | ‘Update QoS’ |
NOTE
The API method mediaSession.logPlayheadPosition()
and mediaSession.logUpdateQoS()
don’t generate custom events.
See Playhead Position and Quality of Service for more information about using them.
All of our events support an options parameter that can contain custom attributes to allow a customer to capture valuable information with every media event. Each attribute will be logged to best describe the session characteristics for that event at that time.
The customer can choose from our list of predefined attributes below, which are mapped to custom third-party attributes, such as Adobe Standard Metadata, when forwarded to their respective vendor. A customer is also free to add their custom attributes of their own, which will pass through as-is when forwarded to a partner service.
Note: Depending on your player, you will need to either enable the callback method to receive updates for playhead position and quality of service (QoS) or set up a job to frequently poll for the current values.
mediaSDK.logMediaSessionStart({
customAttributes: {
content_title: 'The Best of Both Worlds',
content_season: 3,
content_episode: 26,
my_custom_attribute: 'Locutus'
}
});
Event Attribute | Description |
---|---|
media_session_id | Unique identifier assigned when media event starts (it is recommended that this be included with every event log) |
media_session_start_time | Timestamp for media session initiation |
media_session_end_time | Timestamp for media session completed, ended, or quit |
media_session_ad_objects | Array of all ad_content_ids consumed |
media_session_custom_attribute | Custom media session attribute |
stream_format | The video stream is compressed using a video coding format to make the file size smaller. Video coding formats include H.264, HEVC, VP8 or VP9 |
content_type | Content type name |
content_id | Unique content identifier |
content_duration | Content duration |
content_title | Content title |
content_asset_id | Content asset id |
content_season | A “season” is a reference to a set of episodes of a show within a specific period of time |
content_episode | An “episode” is a coherent narrative unit within a larger dramatic work, such as a radio, television, audio or video streaming series |
content_daypart | A “daypart” is the time division in a typical broadcast day by different media like Radio and Television. Different part of the days can be Morning shows, afternoon siesta, evening songs or prime time slot. Dayparts can be standard or customized. |
content_originator | Content source name |
content_network | A “network” includes broadcast and cable television networks, television distribution and production, domestic television stations, radio networks and stations, and audio and video streaming services. |
content_mvpd | A “multichannel video programming distributor” (MVPD) include cable operators, multichannel multipoint distribution services, direct broadcast satellite services, or television receive-only satellite program distributors. |
content_feed | Name of content feed |
content_show | Name of show |
content_show_type | Show type |
content_genre | A “genre” is a category of artistic composition, as in videos, music or literature, characterized by similarities in form, style, or subject matter. |
content_rating | A content rating (also known as maturity rating)rates the suitability of TV broadcasts, movies, comic books, or video games to its audience. |
content_authorized | Content rights, release, or licence reference |
content_first_air_date | Date of initial broadcast |
content_digital_date | Date of initial digital distribution |
playhead_position | The current playhead position at the moment the event occured |
milestone | A “milestone” is a customer defined percentage of content consumed typically reported at 25%, 50%, 75%, and 95%. Customers may capture milestones at any percentage points they are most interested in tracking |
buffer_duration | Duration of content buffering |
buffer_percent | Percentage of content buffering |
buffer_position | Playhead positioin when buffering |
seek_position | Playhead position when seek began or ended |
segment_title | Segment title |
segment_index | Segment index |
segment_duration | Segment duration |
ad_break_id | Unique identifier for the ad break. Ad breaks may have one or more pieces of ad content |
ad_break_title | Ad break title |
ad_break_duration | Ad break duration |
ad_content_id | Unique identitifer for a specific piece of ad content |
ad_content_title | Ad content title |
ad_content_duration | Ad content duration |
ad_content_advertiser | Name of advertiser |
ad_content_campaign | Name of campaign |
ad_content_creative | Name of creative |
ad_content_placement | Description of placement |
ad_content_position | Index of position in content |
ad_content_site_id | Identifier of ad content site |
ad_custom_attribute | User defined attribute |
player_name | Then name of the player used |
player_ovp | Online Video Platform name |
player_initial_resolution | The default resolution of the content |
qos_bitrate | Quality of service (QoS) bitrate |
qos_fps | Quality of service (QoS) frames per second |
qos_startup_time | Quality of service (QoS) time from content play event to first frame |
qos_dropped_frames | Quality of service (QoS) dropped frames |
other_attribute | Replace “other_attribute” with any attribute name you wish to capture. The system will create an object with that name and store the value provided. |
In some cases third-party vendors, such as Adobe, may require custom attributes to be submitted in a differnt format from mParticle’s format, such as content_show
vs s:meta:a.media.show
, which would require duplicate information to be passed. In these cases, we provide vendor-specific mappings for some of our custom attributes to reduce duplication.
For example:
mParticle Custom Attribute | Adobe Heartbeat Metadata |
---|---|
content_show | s:meta:a.media.show |
stream_format | s:meta:a.media.format |
content_season | s:meta:a.media.season |
content_episode | s:meta:a.media.episode |
content_asset_id | s:meta:a.media.asset |
content_genre | s:meta:a.media.genre |
content_first_air_date | s:meta:a.media.airDate |
content_digital_date | s:meta:a.media.digitalDate |
content_rating | s:meta:a.media.rating |
content_originator | s:meta:a.media.originator |
content_network | s:meta:a.media.network |
content_show_type | s:meta:a.media.type |
content_ad_load | s:meta:a.media.adLoad |
content_mvpd | s:meta:a.media.pass.mvpd |
content_authorized | s:meta:a.media.pass.auth |
content_daypart | s:meta:a.media.dayPart |
content_feed | s:meta:a.media.feed |
content_artist | s:meta:a.media.artist |
content_album | s:meta:a.media.album |
content_label | s:meta:a.media.label |
content_author | s:meta:a.media.author |
content_station | s:meta:a.media.station |
content_publisher | s:meta:a.media.publisher |
ad_content_advertiser | s:meta:a.media.ad.advertiser |
ad_content_campaign | s:meta:a.media.ad.campaign |
ad_content_creative | s:meta:a.media.ad.creative |
ad_content_creative_url | s:meta:a.media.ad.creativeURL |
ad_content_placement | s:meta:a.media.ad.placement |
ad_content_site_id | s:meta:a.media.ad.site |
{
"event_type": "custom_event",
"data": {
"custom_event_type": "media",
"event_name": "Play",
"custom_flags": {},
"timestamp_unixtime_ms": "1573828863888",
"event_id": "-109840007014118971",
"source_message_id": null,
"session_id": "-8572887793551346848",
"session_uuid": "29959B6B-9C3B-486F-9807-B5534EA1B16A",
"session_start_unixtime_ms": "1573828757702",
"event_start_unixtime_ms": "1573828863888",
"custom_attributes": {
"content_title": "My sweet sweet media",
"content_duration": "120000",
"content_id": "1234567",
"content_type": "Video",
"media_session_id": "96a023b8-b0c7-47b7-b687-09f73b9dfac3",
"playhead_position": "110123"
}
}
}
In cases where you may need to handle some custom functionality when a media event occurs, the Media SDK provides a mediaEventListener
for use with callbacks.
For example, if you need to trigger a custom function when Play or Pause occurs:
const myCallback = function(mediaEvent) {
// Some custom callback method defined by user
// Should only trigger when play or pause is fired
if (
mediaEvent.type == MediaEventType.Play ||
mediaEvent.type == MediaEventType.Pause
) {
// Get the Media Event as an mParticle Page Event
const mpEvent = mediaEvent.toPageEvent();
// Pass to your own custom function
myCustomFunction(mpEvent);
}
};
mediaSession.mediaEventListener(myCallback);
When creating media events, the Media SDK automatically includes relevant attributes, including media ID and title. Two of the most important attributes are the current playhead position, and the current quality of the media.
To capture these attributes, call logPlayheadPosition()
and logUpdateQoS()
at consistent intervals in each session.
Use logPlayheadPosition()
to continuously update the playhead position, so that your media events show the correct time.
Your media player provides at least one API method to query for the playhead position. There are two approaches to logging playhead position, depending on the capabilities of your player. The examples below both use JWPlayer, but any player should provide similar APIs.
If you are generating media custom events, note that logPlayheadPosition()
doesn’t generate a custom event, so it is safe to call this method as often as necessary.
Most media players emit an event when the playhead position changes. You can listen for this event and call logPlayheadPosition()
whenever it occurs. This example uses JWPlayer’s time event.
// The 'time' event is emitted whenever the playhead position changes
jwplayer().on('time', function(obj) {
mediaSession.logPlayheadPosition(obj.position);
});
If your media player does not emit an event when playhead position changes, query your player once per second to update the playhead. You must call logPlayheadPosition()
at regular intervals. Adobe Heartbeat requires this to track the playhead position, in order to know how far a user has progressed through a media session.
You can query less often than once per second, depending on your needs. However, make sure that the query fires at a constant rate.
This example uses JWPlayer’s time event.
const intervalID = window.setInterval(updatePlayhead, 1000);
function updatePlayhead() {
if (mediaSession) {
const currentPosition = jwplayer().getPosition()
mediaSession.logPlayheadPosition(currentPosition);
}
}
Visit the complete API Reference for a deep dive into the Media SDK.
You can access the source code and contribute to the mParticle Media SDK GitHub repo.
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