Do the HTML elements containing tracks in Twilio Programmable Video need to be detached before removing them, or is simply removing them enough?

When using Vue.js, I maintain a list of all Participants in an array called participants. Initially, when a Participant joins, they are added to this array. The v-for directive is then used to generate the container for the Participant's media. Once the container is ready, I use the ref attribute to locate it and call track.attach() to add the Participant's tracks.

In case of removal, is there any specific advantage to using track.detach() as opposed to simply removing the Participant from the participants array, which would result in the HTML element containing the tracks being destroyed? Will this have any impact on events triggered or cause issues with disconnection?

Answer №1

Greetings from a Twilio developer advocate!

When you invoke detach, additional tasks are carried out, specifically involving the removal of the mediaStreamTrack from a MediaStream object that the track is linked to. You can review the detachment process code here.

While not completely confirmed, as soon as the track itself is properly disposed of, both the mediaStreamTrack and MediaStream should also be discarded, preventing any memory leaks. To my knowledge, this action does not impact disconnections or other related events.

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