multiDurationSearch method
To get one or more subtitles in same duration range.
Implementation
@override
List<Subtitle> multiDurationSearch(Duration duration) {
var correctSubtitles = List<Subtitle>.empty(growable: true);
for (var value in subtitles) {
if (value.inRange(duration)) correctSubtitles.add(value);
}
return correctSubtitles;
}