public override Task<List<TrackChunk>> Process()
        {
            var trackChunk = new List<TrackChunk> { Song.TrackContainers[ProcessorConfig.Track].SourceTrackChunk }.Concat(ProcessorConfig.IncludedTracks.Select(track => Song.TrackContainers[track].SourceTrackChunk)).Merge();

            var lyricEvents = new List<TimedEvent>();

            var lyricLineCount = 0;

            var tempoMap = Song.SourceTempoMap.Clone();

            foreach (var midiEvent in trackChunk.GetTimedEvents().Where(e => e.Event.EventType == MidiEventType.Lyric))
            {
                lyricLineCount++;
                midiEvent.Time = midiEvent.TimeAs<MetricTimeSpan>(tempoMap).TotalMicroseconds / 1000 + 120000;
                lyricEvents.Add(midiEvent);
            }

            var trackChunks = new List<TrackChunk>();

            for (var i = 0; i < ProcessorConfig.PlayerCount; i++)
            {
                trackChunk = new TrackChunk();
                trackChunk.AddObjects(lyricEvents);
                trackChunk.AddObjects(new List<ITimedObject>{new TimedEvent(new SequenceTrackNameEvent("lyric:"+lyricLineCount))});
                trackChunks.Add(trackChunk);
            }

            return Task.FromResult(trackChunks);
        }
示例#2
0
        /// <summary>
        /// Creates a track chunk with the specified objects.
        /// </summary>
        /// <remarks>
        /// Note that only MIDI events allowed by SMF specification will be added to result track chunk.
        /// So instances of <see cref="TimedEvent"/> containing <see cref="SystemCommonEvent"/> or
        /// <see cref="SystemRealTimeEvent"/> won't be added.
        /// </remarks>
        /// <param name="timedObjects">Collection of objects to create a track chunk from.</param>
        /// <returns><see cref="TrackChunk"/> containing the <paramref name="timedObjects"/>.</returns>
        /// <exception cref="ArgumentNullException"><paramref name="timedObjects"/> is <c>null</c>.</exception>
        public static TrackChunk ToTrackChunk(this IEnumerable <ITimedObject> timedObjects)
        {
            ThrowIfArgument.IsNull(nameof(timedObjects), timedObjects);

            var trackChunk = new TrackChunk();

            trackChunk.AddObjects(timedObjects);
            return(trackChunk);
        }