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feat: disable video when in background #2571

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merged 2 commits into from
Feb 24, 2024
Merged

feat: disable video when in background #2571

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168f7c0
feat: disable video when in background
raviteja83 Feb 21, 2024
137e0a4
fix: cyclic dep, hide only for mweb
KaustubhKumar05 Feb 22, 2024
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20 changes: 20 additions & 0 deletions packages/hms-video-store/src/media/tracks/HMSLocalVideoTrack.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -17,6 +17,7 @@ import { HMSMediaStreamPlugin, HMSVideoPluginsManager } from '../../plugins/vide
import { HMSMediaStreamPluginsManager } from '../../plugins/video/HMSMediaStreamPluginsManager';
import { LocalTrackManager } from '../../sdk/LocalTrackManager';
import HMSLogger from '../../utils/logger';
import { isBrowser, isMobile } from '../../utils/support';
import { getVideoTrack, isEmptyTrack } from '../../utils/track';
import { HMSVideoTrackSettings, HMSVideoTrackSettingsBuilder } from '../settings';
import { HMSLocalStream } from '../streams';
Expand All @@ -36,6 +37,7 @@ export class HMSLocalVideoTrack extends HMSVideoTrack {
private processedTrack?: MediaStreamTrack;
private _layerDefinitions: HMSSimulcastLayerDefinition[] = [];
private TAG = '[HMSLocalVideoTrack]';
private enabledStateBeforeBackground = false;

/**
* true if it's screenshare and current tab is what is being shared. Browser dependent, Chromium only
Expand Down Expand Up @@ -80,6 +82,9 @@ export class HMSLocalVideoTrack extends HMSVideoTrack {
this.pluginsManager = new HMSVideoPluginsManager(this, eventBus);
this.mediaStreamPluginsManager = new HMSMediaStreamPluginsManager(eventBus);
this.setFirstTrackId(this.trackId);
if (isBrowser && isMobile()) {
document.addEventListener('visibilitychange', this.handleVisibilityChange);
}
}

/** @internal */
Expand Down Expand Up @@ -232,6 +237,9 @@ export class HMSLocalVideoTrack extends HMSVideoTrack {
await this.pluginsManager.cleanup();
this.processedTrack?.stop();
this.isPublished = false;
if (isBrowser && isMobile()) {
document.removeEventListener('visibilitychange', this.handleVisibilityChange);
}
}

/**
Expand Down Expand Up @@ -477,4 +485,16 @@ export class HMSLocalVideoTrack extends HMSVideoTrack {
}
await this.replaceSenderTrack(this.processedTrack || this.nativeTrack);
};

private handleVisibilityChange = async () => {
if (document.visibilityState === 'hidden' && this.source === 'regular') {
this.enabledStateBeforeBackground = this.enabled;
this.nativeTrack.enabled = false;
this.replaceSenderTrack(this.nativeTrack);
} else {
this.nativeTrack.enabled = this.enabledStateBeforeBackground;
this.replaceSenderTrack(this.nativeTrack);
}
this.eventBus.localVideoEnabled.publish({ enabled: this.nativeTrack.enabled, track: this });
};
}
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