Backport pull request #4362 from jellyfin/release-10.8.z

Fix subtitle offset reset when seeking progressive stream

Original-merge: af27e084d5

Merged-by: Bill Thornton <thornbill@users.noreply.github.com>

Backported-by: crobibero <cody@robibe.ro>

src/components/playback/playbackmanager.js

@@ -1740,6 +1740,7 @@ class PlaybackManager {
                         const streamInfo = createStreamInfo(apiClient, currentItem.MediaType, currentItem, currentMediaSource, ticks, player);
                         streamInfo.fullscreen = currentPlayOptions.fullscreen;
                         streamInfo.lastMediaInfoQuery = lastMediaInfoQuery;
+                        streamInfo.resetSubtitleOffset = false;
 
                         if (!streamInfo.url) {
                             showPlaybackInfoErrorMessage(self, 'PlaybackErrorNoCompatibleStream');

src/plugins/htmlVideoPlayer/plugin.js

@@ -382,7 +382,7 @@ function tryRemoveElement(elem) {
 
             this.#currentTime = null;
 
-            this.resetSubtitleOffset();
+            if (options.resetSubtitleOffset !== false) this.resetSubtitleOffset();
 
             return this.createMediaElement(options).then(elem => {
                 return this.updateVideoUrl(options).then(() => {