How to use the scenedetect.video_splitter.split_video_ffmpeg function in scenedetect

self.split_name_format,
                self.split_directory if self.split_directory is not None
                else self.output_directory)
            mkvmerge_available = is_mkvmerge_available()
            ffmpeg_available = is_ffmpeg_available()
            if mkvmerge_available and (self.split_mkvmerge or not ffmpeg_available):
                if not self.split_mkvmerge:
                    logging.warning(
                        'ffmpeg not found, falling back to fast copy mode (split-video -c/--copy).')
                split_video_mkvmerge(video_paths, scene_list, output_file_prefix, video_name,
                                     suppress_output=self.quiet_mode or self.split_quiet)
            elif ffmpeg_available:
                if self.split_mkvmerge:
                    logging.warning('mkvmerge not found, falling back to normal splitting'
                                    ' mode (split-video).')
                split_video_ffmpeg(video_paths, scene_list, output_file_prefix,
                                   video_name, arg_override=self.split_args,
                                   hide_progress=self.quiet_mode,
                                   suppress_output=self.quiet_mode or self.split_quiet)
            else:
                if not (mkvmerge_available or ffmpeg_available):
                    error_strs = ["ffmpeg/mkvmerge is required for split-video [-c/--copy]."]
                else:
                    error_strs = [
                        "{EXTERN_TOOL} is required for split-video{EXTRA_ARGS}.".format(
                            EXTERN_TOOL='mkvmerge' if self.split_mkvmerge else 'ffmpeg',
                            EXTRA_ARGS=' -c/--copy' if self.split_mkvmerge else '')]
                error_strs += ["Install one of the above tools to enable the split-video command."]
                error_str = '\n'.join(error_strs)
                logging.debug(error_str)
                raise click.BadParameter(error_str, param_hint='split-video')
            if scene_list:

print('%s scenes obtained' % len(scene_list))

                if len(scene_list)>0:
                    # STATISTICS : Store scenes length
                    with open(FILE_SCENE_LENGH,'a') as myfile:
                       for i, scene in enumerate(scene_list):
                           myfile.write('%s, %d, %f\n' % (os.path.splitext(os.path.basename(video_path))[0], scene[1].get_frames()-scene[0].get_frames(), (scene[1]-scene[0]).get_seconds()))
                    
                    # STATISTICS : Store number of scenes
                    with open(FILE_SCENE_NUMBER,'a') as myfile:
                        myfile.write('%s,%d\n'%(os.path.splitext(os.path.basename(video_path))[0],len(scene_list)))

                    # Split the video
                    print('Splitting the video. Put scenes in %s/%s'%(folder,VIDEO_SPLIT_TEMPLATE))
                    os.mkdir(folder)
                    video_splitter.split_video_ffmpeg([video_path], scene_list, folder+"/"+VIDEO_SPLIT_TEMPLATE+".mp4", os.path.basename(folder),suppress_output=True)
            
                print("-- Finished video splitting in {:.2f}s --".format(time.time() - start_time))
            else:
                print('Ffmpeg is not installed on your computer. Please install it before running this code')

        finally:
            video_manager.release()

    return scene_list

self.split_name_format,
                self.split_directory if self.split_directory is not None
                else self.output_directory)
            mkvmerge_available = is_mkvmerge_available()
            ffmpeg_available = is_ffmpeg_available()
            if mkvmerge_available and (self.split_mkvmerge or not ffmpeg_available):
                if not self.split_mkvmerge:
                    logging.warning(
                        'ffmpeg not found, falling back to fast copy mode (split-video -c/--copy).')
                split_video_mkvmerge(video_paths, scene_list, output_file_prefix, video_name,
                                     suppress_output=self.quiet_mode or self.split_quiet)
            elif ffmpeg_available:
                if self.split_mkvmerge:
                    logging.warning('mkvmerge not found, falling back to normal splitting'
                                    ' mode (split-video).')
                split_video_ffmpeg(video_paths, scene_list, output_file_prefix,
                                   video_name, arg_override=self.split_args,
                                   hide_progress=self.quiet_mode,
                                   suppress_output=self.quiet_mode or self.split_quiet)
            else:
                if not (mkvmerge_available or ffmpeg_available):
                    error_strs = ["ffmpeg/mkvmerge is required for split-video [-c/--copy]."]
                else:
                    error_strs = [
                        "{EXTERN_TOOL} is required for split-video{EXTRA_ARGS}.".format(
                            EXTERN_TOOL='mkvmerge' if self.split_mkvmerge else 'ffmpeg',
                            EXTRA_ARGS=' -c/--copy' if self.split_mkvmerge else '')]
                error_strs += ["Install one of the above tools to enable the split-video command."]
                error_str = '\n'.join(error_strs)
                logging.debug(error_str)
                raise click.BadParameter(error_str, param_hint='split-video')
            if scene_list: