Пример #1
0
        static void Main(string[] args)
        {
            Application.Init();
            WaveOutEvent    outputDevice        = new WaveOutEvent();
            string          musicPath           = GetFilepath();
            AudioFileReader musicDataReader     = new AudioFileReader(musicPath);
            AudioFileReader musicPlaybackReader = new AudioFileReader(musicPath);

            SerialConnection.Start();
            Console.WriteLine("Connection open!");
            outputDevice.Init(musicPlaybackReader);
            outputDevice.Play();
            while (outputDevice.PlaybackState == PlaybackState.Playing)
            {
                if (musicDataReader.HasData(currentSentPosition))
                {
                    musicDataReader.Position = musicPlaybackReader.Position;
                    musicDataReader.Read(amplitudeBuffer, 0, amplitudeBuffer.Length);
                    AudioData lightCounts = AudioMethods.GetFrequencyBands(amplitudeBuffer);
                    byte[]    bytesSent   = SerialConnection.SendFrequencyBandData(lightCounts);
                    foreach (byte byteSent in bytesSent)
                    {
                        Console.Write(byteSent + ", ");
                    }
                    Console.WriteLine("");
                    currentSentPosition += amplitudeBuffer.Length;
                }
            }
            SerialConnection.SendData(new byte[48]);
        }
Пример #2
0
        private void WriteWaveFile(SfxDefinition sfxDefinition, float[] inBuffer, byte[] outBuffer)
        {
            var offset      = 0;
            var startOffset = 0;

            _writer.StartObject(ObjectType.Audio, "sfx");
            foreach (var wave in sfxDefinition.Waveforms)
            {
                using (var audioFile = new AudioFileReader(wave.Value.SoundFile.FromInputFolder()))
                {
                    while (audioFile.HasData(BufferSize))
                    {
                        var sampleCount = audioFile.Read(inBuffer, 0, BufferSize);
                        if (sampleCount > 0)
                        {
                            for (var i = 0; i < BufferSize; i++)
                            {
                                outBuffer[i] = (byte)(127 * inBuffer[i]);
                            }

                            _writer.WriteBlob(outBuffer, sampleCount);

                            if (sampleCount % 2 != 0) // make wave ends on even bytes
                            {
                                sampleCount++;
                                _writer.WriteByte(0);
                            }

                            offset += sampleCount;
                        }
                    }
                }

                _waveOffsets.Add(wave.Key, startOffset);
                _waveLengths.Add(wave.Key, offset - startOffset);
                startOffset = offset;
            }

            _writer.EndObject();
        }