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feat: usage on rendition change #1088

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merged 4 commits into from
Mar 30, 2021
Merged

feat: usage on rendition change #1088

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e0d3e51
chore: usage on rendition change
brandonocasey Mar 4, 2021
f44cb93
log rendition switch and reason
brandonocasey Mar 4, 2021
ee1abb8
test fixes
brandonocasey Mar 4, 2021
2b47356
Merge branch 'main' into chore/rendition-usage
brandonocasey Mar 30, 2021
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20 changes: 14 additions & 6 deletions src/master-playlist-controller.js
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Original file line number Diff line number Diff line change
Expand Up @@ -301,10 +301,18 @@ export class MasterPlaylistController extends videojs.EventTarget {
const nextPlaylist = this.selectPlaylist();

if (this.shouldSwitchToMedia_(nextPlaylist)) {
this.masterPlaylistLoader_.media(nextPlaylist);
this.switchMedia_(nextPlaylist, null, 'abr');
}
}

switchMedia_(playlist, delay, cause) {
const oldMedia = this.masterPlaylistLoader_.media();

this.logger_(`switch media ${oldMedia && (oldMedia.id || oldMedia.uri)} -> ${playlist.id || playlist.uri} from ${cause}`);
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this.tech_.trigger({type: 'usage', name: `vhs-rendition-change-${cause}`});
this.masterPlaylistLoader_.media(playlist);
}

/**
* Start a timer that periodically calls checkABR_
*
Expand Down Expand Up @@ -416,7 +424,7 @@ export class MasterPlaylistController extends videojs.EventTarget {

this.initialMedia_ = selectedMedia;

this.masterPlaylistLoader_.media(this.initialMedia_);
this.switchMedia_(this.initialMedia_, null, 'initial');

// Under the standard case where a source URL is provided, loadedplaylist will
// fire again since the playlist will be requested. In the case of vhs-json
Expand Down Expand Up @@ -608,7 +616,7 @@ export class MasterPlaylistController extends videojs.EventTarget {
const nextPlaylist = this.selectPlaylist();

if (this.shouldSwitchToMedia_(nextPlaylist)) {
this.masterPlaylistLoader_.media(nextPlaylist);
this.switchMedia_(this.initialMedia_, null, 'bandwidthupdate');
}

this.tech_.trigger('bandwidthupdate');
Expand Down Expand Up @@ -734,7 +742,7 @@ export class MasterPlaylistController extends videojs.EventTarget {
return;
}

this.masterPlaylistLoader_.media(media);
this.switchMedia_(media, null, 'smooth-quality');

this.mainSegmentLoader_.resetLoader();
// don't need to reset audio as it is reset when media changes
Expand All @@ -754,7 +762,7 @@ export class MasterPlaylistController extends videojs.EventTarget {
return;
}

this.masterPlaylistLoader_.media(media);
this.switchMedia_(media, null, 'fast-quality');

// Delete all buffered data to allow an immediate quality switch, then seek to give
// the browser a kick to remove any cached frames from the previous rendtion (.04 seconds
Expand Down Expand Up @@ -1106,7 +1114,7 @@ export class MasterPlaylistController extends videojs.EventTarget {
(Date.now() - nextPlaylist.lastRequest) <= delayDuration;

// delay if it's a final rendition or if the last refresh is sooner than half targetDuration
return this.masterPlaylistLoader_.media(nextPlaylist, isFinalRendition || shouldDelay);
return this.switchMedia_(nextPlaylist, isFinalRendition || shouldDelay, 'exclude');
}

/**
Expand Down