addTimedTextOverlays method
Adds many timed overlays (captions, generated titles) in one go and records a single history entry.
Implementation
void addTimedTextOverlays(List<VideoTextOverlay> overlays) {
for (final overlay in overlays) {
textController.addTextOverlay(overlay);
}
if (overlays.isEmpty) return;
_selectedTrackType = VideoTrackType.text;
_activeTrack = VideoTrackType.text;
_saveState();
notifyListeners();
}