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Oinktube/node_modules/videojs-contrib-ads/docs/integrator/migration-guides/migrating-to-6.0.md
DanieL 56cb1fd5cb Improving the get restream credentials
2022-05-20 16:22:54 -03:00

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Migrating to videojs-contrib-ads 6.0.0

Version 6 of videojs-contrib-ads includes a major refactor and cleanup of the state management logic.

Migration

  • Timeouts have a more intuitive behavior. See the "Timeout behavior changes" section below for more information.
  • Ended events are no longer delayed by 1 second.
  • Ended events due to an ad ending will no longer be allowed to replace the ended event that is triggered by linear ad mode ending. Ad plugins must not emit ended events after the end of linear ad mode.
  • There will no longer be a contentended event when content ends after the first time content ends.
  • ads.state has been removed. Methods have been added to replace state checks, such as ads.isInAdMode(). See the documentation for a list of available methods. ads._state has been added, but it is not compatible with the old ads.state and should not be inspected by ad plugins.
  • The event parameter triggerevent has been removed. It is unlikely that ad plugins used it, but any usage must be migrated.
  • We no longer trigger a readyforpreroll event after receiving a nopreroll event.
  • adTimeoutTimeout has been removed. It was not part of the documented interface, but make note if your ad plugin inspected it.
  • There is no longer a snapshot object while checking for postrolls. Now a snapshot is only taken when a postroll ad break actually begins.
  • The contentplayback event (removed in 4.0.0, re-added as deprecated in 4.1.1), has been removed. Use the playing event instead.
  • The adplaying behavior is an implementation detail and has changed in this update. The adplaying event is no longer guaranteed to happen once per ad break. It is not intended to be used to detect the beginning of an ad break. The ads-pod-started event should be used instead. The ads-ad-started event can be used to detect the start of an individual ad in an ad break. There will be multiple ads-ad-started events corresponding to each ad in the ad break.

Deprecation

Deprecated interfaces will be removed in a future major version update.

  • contentupdate is now deprecated. It has been replaced by contentchanged. contentupdate was never intended to fire for the initial source, but over time its behavior eroded. To make migration easier for anyone who depends on the current behavior, we're providing a deprecation period and a new event with correct behavior.
  • adscanceled is now deprecated. Instead, use nopreroll and nopostroll. adscanceled was initially intended to function similarly to calling both nopreroll and nopostroll but it was never fully implemented.
  • adserror is now deprecated. Currently this event will skip prerolls when seen before a preroll ad break, skip postrolls if called after contentended and before a postroll ad break, and end linear ad mode if seen during an ad break. It is more declarative for the ad plugin to do these things explicitly with skipLinearAdMode and endLinearAdMode. In the future, this event will not have any special behavior in contrib-ads. Ad plugins may continue to use it for other purposes.

Timeout behavior changes

Previous behavior:

  • The timeout setting was the number of milliseconds that we waited for adsready after the play event if adsready was not before play.
  • The prerollTimeout setting was the number of milliseconds we waited for startLinearAdMode after readyforpreroll. It was a separate timeout period after timeout.
  • The postrollTimeout setting was the number of milliseconds we waited for startLinearAdMode after contentended.

Previous Defaults:

  • timeout: 5000
  • prerollTimeout: 100
  • postrollTimeout: 100

New Behavior:

  • The timeout setting is now the default setting for all timeouts. It can be overridden by prerollTimeout and/or postrollTimeout.
  • prerollTimeout overrides timeout for the number of milliseconds we wait for a preroll ad (the time between play and startLinearAdMode).
  • postrollTimeout overrides timeout for the number of milliseconds we wait for a postroll ad (the time between contentended and startLinearAdMode).

New Defaults:

  • timeout: 5000
  • prerollTimeout: no default
  • postrollTimeout: no default