loadVideo method
Implementation
Future<void> loadVideo({required File videoFile}) async {
if (!videoFile.existsSync()) {
throw Exception("Video file not found: ${videoFile.path}");
}
_currentVideoFile = videoFile;
_videoPlayerController = VideoPlayerController.file(videoFile);
await _videoPlayerController!.initialize();
_eventController.add(TrimmerEvent.initialized);
}