示例#1
0
 public static void InitializeGuitarStrings(GuitarString[] strings)
 {
     for (int i = 0; i < strings.Length; ++i)
     {
         var frequency = Math.Pow(2, (i - strings.Length / 2) / 12.0) * 440.0;
         strings[i] = new GuitarString(frequency);
     }
 }
示例#2
0
        static void Main(string[] args)
        {
            var guitarStrings = new GuitarString[58];

            InitializeGuitarStrings(guitarStrings);

            var filename = "AMovieScriptEnding";

            var song      = new Song($@"C:\Users\jeremy.bradford\personal_workspace\MusicGenerator\MusicGenerator\Songs\{filename}.txt");
            var songNotes = song.Notes;

            var sampleRate      = song.SampleRate;
            int lengthInSeconds = (int)Math.Ceiling(song.LengthInSeconds);

            byte[] raw = new byte[2 * sampleRate * lengthInSeconds];

            var noteIndex = 0;

            for (int sampleNum = 0; sampleNum < sampleRate * lengthInSeconds; ++sampleNum)
            {
                if (sampleNum % sampleRate == 0)
                {
                    Console.WriteLine($"Processed {sampleNum/sampleRate} seconds");
                }
                // play notes if necessary
                while (noteIndex < songNotes.Count && songNotes[noteIndex].Item1 <= sampleNum)
                {
                    guitarStrings[songNotes[noteIndex].Item2.ToPianoInt() - 16].Pluck();
                    noteIndex++;
                }
                var sample = 0.0;
                for (int j = 0; j < guitarStrings.Length; ++j)
                {
                    sample += guitarStrings[j].Sample();
                }
                var sampleShort = (short)(sample * Int16.MaxValue);
                var bytes       = BitConverter.GetBytes(sampleShort);
                raw[sampleNum * 2]     = bytes[0];
                raw[sampleNum * 2 + 1] = bytes[1];
                for (int j = 0; j < guitarStrings.Length; ++j)
                {
                    guitarStrings[j].Tic();
                }
            }

            var ms = new MemoryStream(raw);
            var rs = new RawSourceWaveStream(ms, new WaveFormat(sampleRate, 16, 1));

            var outpath = $@"C:\Users\jeremy.bradford\personal_workspace\MusicGenerator\MusicGenerator\WavFiles\{filename}.wav";

            try
            {
                WaveFileWriter.CreateWaveFile(outpath, rs);
            } catch
            {
                Console.WriteLine("Please close .wav file. Press enter to continue.");
                var _ = Console.ReadLine();

                WaveFileWriter.CreateWaveFile(outpath, rs);
            }

            //var wo = new WaveOutEvent();
            //wo.Init(rs);
            //wo.Play();
            //while (wo.PlaybackState == PlaybackState.Playing)
            //{
            //	Thread.Sleep(500);
            //}
            //wo.Dispose();
        }