/// <summary>
 /// Initializes a new instance of the <see cref="CircularWriteableBufferingSource"/> class.
 /// </summary>
 /// <param name="waveFormat">The WaveFormat of the source.</param>
 /// <param name="bufferSize">Buffersize in bytes.</param>
 public DirectStreamingSource(WaveFormat waveFormat, IAPU apu)
 {
     if (waveFormat == null) { throw new ArgumentNullException("waveFormat"); }
       _waveFormat = waveFormat;
       _streamingSource = apu;
       MaxBufferSize = 88000;
 }
Ejemplo n.º 2
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        public SimpleMixer(int channelCount, int sampleRate)
        {
            if (channelCount < 1)
                throw new ArgumentOutOfRangeException("channelCount");
            if (sampleRate < 1)
                throw new ArgumentOutOfRangeException("sampleRate");

            _waveFormat = new WaveFormat(sampleRate, 32, channelCount, AudioEncoding.IeeeFloat);
        }
Ejemplo n.º 3
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 public NVorbisSource(Stream stream)
 {
     if (stream == null)
         throw new ArgumentNullException("stream");
     if(!stream.CanRead)
         throw new ArgumentException("Stream is not readable.", "stream");
     _stream = stream;
     _vorbisReader = new VorbisReader(stream, false);
     _waveFormat = new WaveFormat(_vorbisReader.SampleRate, 32, _vorbisReader.Channels, AudioEncoding.IeeeFloat);
 }
Ejemplo n.º 4
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        public void Initialize(WaveFormat waveFormat)
        {
            if (_isInitialized)
                throw new InvalidOperationException("Can't reuse SampleAnalyser.");

            if (waveFormat == null)
                throw new ArgumentNullException("waveFormat");

            _peaks = new float[waveFormat.Channels, 2];
            _waveFormat = waveFormat;
            _isInitialized = true;
        }
        public MetronomeGenerator(double bpm, double frequency, double amplitude)
        {
            if (frequency <= 0)
                throw new ArgumentOutOfRangeException("frequency");
            if (amplitude < 0 || amplitude > 1)
                throw new ArgumentOutOfRangeException("amplitude");

            Frequency = frequency;
            Amplitude = amplitude;
            Bpm = bpm;
            _waveFormat = new WaveFormat(44100, 32, 1, AudioEncoding.IeeeFloat);
        }
        /// <summary>
        /// Initializes a new instance of the <see cref="CircularWriteableBufferingSource"/> class.
        /// </summary>
        /// <param name="waveFormat">The WaveFormat of the source.</param>
        /// <param name="bufferSize">Buffersize in bytes.</param>
        public CircularWriteableBufferingSource(WaveFormat waveFormat, int bufferSize, int latency)
        {
            if (waveFormat == null)
            throw new ArgumentNullException("waveFormat");
              if (bufferSize <= 0 || (bufferSize % waveFormat.BlockAlign) != 0)
            throw new ArgumentException("Invalid bufferSize.");

              MaxBufferSize = bufferSize;

              _waveFormat = waveFormat;
              _buffer = new byte[bufferSize];

              Latency = latency;
              LatencyInBytes = (int)_waveFormat.MillisecondsToBytes(latency);
        }
Ejemplo n.º 7
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        public async Task <ActionResult <BestMatch> > PostWebM()
        {
            await using var ms = new MemoryStream();
            await Request.Body.CopyToAsync(ms);

            ms.Position = 0;

            var ff = new CSCore.WaveFormat(48000, 16, 2, AudioEncoding.IeeeFloat);
            var dr = new RawDataReader(ms, ff);

            await using var outs = new MemoryStream();
            dr.WriteToWaveStream(outs);
            var bytes = outs.ToArray();

            return(await MatchFingerprintAsWav(bytes));
        }
        public void StartRecordingDevice(MMDevice recordingDevice)
        {
            if (recordingDevice == null)
            {
                Console.WriteLine("No devices found.");
                return;
            }

            StopRecording();

            soundIn = new CSCore.SoundIn.WasapiLoopbackCapture()
            {
                Device = recordingDevice
            };

            soundIn.Initialize();
            soundInSource = new SoundInSource(soundIn)
            {
                FillWithZeros = false
            };
            convertedSource              = soundInSource.ChangeSampleRate(44100).ToSampleSource().ToWaveSource(16);
            convertedSource              = convertedSource.ToStereo();
            soundInSource.DataAvailable += OnDataAvailable;
            soundIn.Start();

            waveFormat = convertedSource.WaveFormat;

            buffer0 = new BufferBlock()
            {
                Data = new byte[convertedSource.WaveFormat.BytesPerSecond / 2]
            };
            buffer1 = new BufferBlock()
            {
                Data = new byte[convertedSource.WaveFormat.BytesPerSecond / 2]
            };

            enabled = true;

            eventThread              = new Thread(EventThread);
            eventThread.Name         = "Loopback Event Thread";
            eventThread.IsBackground = true;
            eventThread.Start(new WeakReference <LoopbackRecorder>(this));
        }
Ejemplo n.º 9
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 private void ReloadAPU()
 {
     _apu = _gameboy.APU;
       _waveFormat = new WaveFormat(_apu.SampleRate,
                            _apu.SampleSize * 8,
                            _apu.NumChannels);
       _source = new DirectStreamingSource(_waveFormat, _apu);
       _soundOut = GetSoundOut();
       _soundOut.Initialize(_source);
       _soundOut.Volume = 0.2f;
 }
Ejemplo n.º 10
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 public static Guid SubTypeFromWaveFormat(WaveFormat waveFormat)
 {
     if (waveFormat == null)
         throw new ArgumentNullException("waveFormat");
     if (waveFormat is WaveFormatExtensible)
         return ((WaveFormatExtensible)waveFormat).SubFormat;
     else
     {
         return MediaTypes.MediaTypeFromEncoding(waveFormat.WaveFormatTag);
         //todo: mp3, gsm,...?
     }
 }
Ejemplo n.º 11
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 /// <summary>
 ///     Returns the SubType-Guid of a <paramref name="waveFormat" />. If the specified <paramref name="waveFormat" /> does
 ///     not contain a SubType-Guid, the <see cref="WaveFormat.WaveFormatTag" /> gets converted to the equal SubType-Guid
 ///     using the <see cref="AudioSubTypes.SubTypeFromEncoding" /> method.
 /// </summary>
 /// <param name="waveFormat"><see cref="WaveFormat" /> which gets used to determine the SubType-Guid.</param>
 /// <returns>SubType-Guid of the specified <paramref name="waveFormat" />.</returns>
 public static Guid SubTypeFromWaveFormat(WaveFormat waveFormat)
 {
     if (waveFormat == null)
         throw new ArgumentNullException("waveFormat");
     if (waveFormat is WaveFormatExtensible)
         return ((WaveFormatExtensible) waveFormat).SubFormat;
     return AudioSubTypes.SubTypeFromEncoding(waveFormat.WaveFormatTag);
 }
Ejemplo n.º 12
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 public WaveFormat(WaveFormat waveFormat, int sampleRate)
     : this(sampleRate, waveFormat.BitsPerSample, waveFormat.Channels, waveFormat._encoding)
 {
 }
Ejemplo n.º 13
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 public override TimeSpan ToTimeSpan(WaveFormat waveFormat, long rawElements)
 {
     return TimeSpan.FromMilliseconds(waveFormat.BytesToMilliseconds(rawElements));
 }
Ejemplo n.º 14
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 public override long ToRawElements(WaveFormat waveFormat, TimeSpan timeSpan)
 {
     return waveFormat.MillisecondsToBytes(timeSpan.TotalMilliseconds);
 }
Ejemplo n.º 15
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 /// <summary>
 /// Converts raw elements to a <see cref="TimeSpan"/> value. The unit of these raw elements depends on the implementation. For more information, see <see cref="TimeConverter"/>.
 /// </summary>
 /// <param name="waveFormat">The <see cref="WaveFormat"/> of the source which gets used to convert the <paramref name="rawElements"/>. </param>
 /// <param name="rawElements">The raw elements to convert to a <see cref="TimeSpan"/>.</param>
 /// <returns>The <see cref="TimeSpan"/>.</returns>
 public abstract TimeSpan ToTimeSpan(WaveFormat waveFormat, long rawElements);
Ejemplo n.º 16
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 /// <summary>
 /// Converts a <see cref="TimeSpan"/> back to raw elements, a source works with. The unit of these raw elements depends on the implementation. For more information, see <see cref="TimeConverter"/>.
 /// </summary>
 /// <param name="waveFormat">The <see cref="WaveFormat"/> of the source which gets used to convert the <paramref name="timeSpan"/>.</param>
 /// <param name="timeSpan">The <see cref="TimeSpan"/> to convert to raw elements.</param>
 /// <returns>The converted <see cref="TimeSpan"/> in raw elements.</returns>
 public abstract long ToRawElements(WaveFormat waveFormat, TimeSpan timeSpan);