private void PlayBtn_Click(object sender, EventArgs e)
{
if (PlayListBox.SelectedIndex < 0)
{
return;
}
wout ??= new WaveOut();
if (MusicNameLb.Text == Path.GetFileNameWithoutExtension(PlayListBox.SelectedItem as string))
{
wout.Play();
wout.Resume();
return;
}
reader?.Dispose();
reader = new AudioFileReader(PlayListBox.SelectedItem as string);
offsetSampleProvider = new OffsetSampleProvider(reader);
wout.Init(offsetSampleProvider);
wout.Play();
wout.PlaybackStopped += (sender, e) => MusicNameLb.Text = "";
MusicNameLb.Text = Path.GetFileNameWithoutExtension(PlayListBox.SelectedItem as string);
ViewModule.IsPlaying = true;
}
public static bool TakeClipAddSilence(string file, TimeSpan lengthSilence, TimeSpan startTime, TimeSpan length, string newFile)
{
try
{
//byte[] buffer = new byte[1024];
AudioFileReader afr = new AudioFileReader(file);
OffsetSampleProvider offsetter = new OffsetSampleProvider(afr)
{
DelayBy = lengthSilence,
LeadOut = lengthSilence,
SkipOver = startTime,
Take = length
};
offsetter.ToMono();
var provider = new SampleToWaveProvider(offsetter);
WaveFileWriter.CreateWaveFile(newFile, provider);
ChangeWaveFormat(newFile, 16000, 16, 1);
return(true);
}
catch (Exception exc)
{
ErrorMessage.Raise(exc);
return(false);
}
}
public void Cache()
{
using (AudioFileReader audioFileReader = new AudioFileReader(info.Path))
{
ISampleProvider provider = audioFileReader;
if (info.Start != 0 || info.Length != 0)
{
provider = new OffsetSampleProvider(provider)
{
SkipOver = TimeSpan.FromSeconds(info.Start),
Take = info.Length == 0 ? TimeSpan.Zero : TimeSpan.FromSeconds(info.Length)
};
}
WaveFormat = provider.WaveFormat;
List <float> wholeFile = new List <float>((int)(audioFileReader.Length / 4));
float[] readBuffer = new float[provider.WaveFormat.SampleRate * provider.WaveFormat.Channels];
int samplesRead;
while ((samplesRead = provider.Read(readBuffer, 0, readBuffer.Length)) > 0)
{
wholeFile.AddRange(readBuffer.Take(samplesRead));
}
AudioData = wholeFile.ToArray();
}
}
private void buttonSaveSignals_Click(object sender, EventArgs e)
{
var samplesList = new List <ISampleProvider> {
wg1, wg2
};
var mixer = new MixingSampleProvider(samplesList);
var waveOut = new WaveOut();
waveOut.Init(mixer);
//waveOut.Play();
var saveSeconds = (int)numericUpDownSaveSignalsSeconds.Value;
var sfd = new SaveFileDialog {
Filter = "WAV Файл|*.wav"
};
if (sfd.ShowDialog() != DialogResult.OK)
{
return;
}
var osp = new OffsetSampleProvider(mixer)
{
TakeSamples = mixer.WaveFormat.SampleRate * saveSeconds * mixer.WaveFormat.Channels
};
WaveFileWriter.CreateWaveFile16(sfd.FileName, osp);
}
public void WaveFormatIsSampeAsSource()
{
var source = new TestSampleProvider(32000, 1, 10);
var osp = new OffsetSampleProvider(source);
Assert.AreEqual(source.WaveFormat, osp.WaveFormat);
}
public void Play()
{
foreach (Movement movement in movements)
{
String filePath = GetSoundFile(movement.Sound.FileName);
var file = new AudioFileReader(filePath);
var trimmed = new OffsetSampleProvider(file);
trimmed.SkipOver = TimeSpan.FromMilliseconds(movement.SkipOver);
// trimmed.Take = TimeSpan.FromMilliseconds(movement.Sound.Time);
var player = new WaveOutEvent();
player.Init(trimmed);
long milliseconds = DateTimeOffset.Now.ToUnixTimeMilliseconds();
Debug.WriteLine("Play " + JsonConvert.SerializeObject(movement), Convert.ToString(milliseconds));
player.Play();
System.Threading.Thread.Sleep(Miliseconds(movement.Sound.Centiseconds));
player.Stop();
Debug.WriteLine("Stop ");
}
}
private void Button_Click_3(object sender, RoutedEventArgs e)
{
var file = new AutoDisposeFileReader(new AudioFileReader(FileName));
var trimmed = new OffsetSampleProvider(file);
int totrim = pwfc.WaveFormDisplay.Values.First(n => n.Value.Item1 > NAudio.Utils.Decibels.DecibelsToLinear(SilenceThreshold) && n.Value.Item2 < NAudio.Utils.Decibels.DecibelsToLinear(SilenceThreshold)).Key;
pwfc.SelectionStart = pwfc.XLocationToTimeSpan(pwfc.WaveFormDisplay.Values.First(n => n.Value.Item1 > NAudio.Utils.Decibels.DecibelsToLinear(SilenceThreshold) && n.Value.Item2 < NAudio.Utils.Decibels.DecibelsToLinear(SilenceThreshold)).Key);
pwfc.SelectionEnd = pwfc.XLocationToTimeSpan(pwfc.WaveFormDisplay.Values.Reverse().First(n => n.Value.Item1 > NAudio.Utils.Decibels.DecibelsToLinear(SilenceThreshold) && n.Value.Item2 < NAudio.Utils.Decibels.DecibelsToLinear(SilenceThreshold)).Key);
pwfc.DrawSelectionRect();
trimmed.SkipOver = TimeSpan.Zero;
trimmed.Take = pwfc.SelectionEnd;
WaveFileWriter.CreateWaveFile(@"c:\temp\trimmed.wav", new SampleToWaveProvider(trimmed));
pwfc.ClearWaveForm();
pwfc.AddNewWaveForm(Color.FromRgb(67, 217, 150), SampleRate, BitsPerSample, Channels);
FileName = @"c:\temp\trimmed.wav";
MemoryStream ms = new MemoryStream(File.ReadAllBytes(FileName));
var file2 = new WaveFileReader(ms);
new Task(() =>
{
var player = new WaveOutEvent();
player.Init(file2);
player.Play();
while (player.PlaybackState != PlaybackState.Stopped)
{
System.Threading.Thread.Sleep(100);
}
file2.Close();
}).Start();
}
private static void ApplyOffset(ISampleProvider[] providers, double spacingDuration, bool isMp3)
{
for (int i = 0; i < providers.Length; i++)
{
ISampleProvider sampleProvider = providers[i];
OffsetSampleProvider offsetSampleProvider = new OffsetSampleProvider(sampleProvider);
if (i == 0 && isMp3)
{
// reduce padding to offset that delay .mp3 files have at the start
offsetSampleProvider.DelayBy = TimeSpan.FromSeconds(spacingDuration - Mp3Delay);
}
else
{
offsetSampleProvider.DelayBy = TimeSpan.FromSeconds(spacingDuration);
}
if (i == providers.Length - 1)
{
// pad out end of the audio sprite too.
offsetSampleProvider.LeadOut = TimeSpan.FromSeconds(spacingDuration);
}
providers[i] = offsetSampleProvider;
}
}
private void Button_Click(object sender, RoutedEventArgs e)
{
var file = new AudioFileReader(FileName);
var trimmed = new OffsetSampleProvider(file);
trimmed.SkipOver = pwfc.SelectionStart;
trimmed.Take = pwfc.SelectionEnd - pwfc.SelectionStart;
WaveFileWriter.CreateWaveFile(@"c:\temp\trimmed.wav", new SampleToWaveProvider(trimmed));
pwfc.ClearWaveForm();
pwfc.AddNewWaveForm(Color.FromRgb(67, 217, 150), SampleRate, BitsPerSample, Channels);
FileName = @"c:\temp\trimmed.wav";
MemoryStream ms = new MemoryStream(File.ReadAllBytes(FileName));
var file2 = new WaveFileReader(ms);
new Task(() =>
{
var player = new WaveOutEvent();
player.Init(file2);
player.Play();
while (player.PlaybackState != PlaybackState.Stopped)
{
System.Threading.Thread.Sleep(100);
}
file2.Close();
}).Start();
}
public IEnumerable <ISampleProvider> CreateArpeggioSamples(IEnumerable <int> chordKeyNumbers, int length, double speed)
{
if (!chordKeyNumbers.Any())
{
return(null);
}
List <ISampleProvider> arpeggioInputs = new List <ISampleProvider>();
for (int i = 0; i <= length; i++)
{
foreach (var num in chordKeyNumbers)
{
var squareWave = new SignalGenerator()
{
Gain = 0.12,
Frequency = MusicalMathHelper.CalculateFrequency(num, 4),
Type = SignalGeneratorType.Square
};
var trimmed = new OffsetSampleProvider(squareWave);
var trimmedWithTimeSpan = trimmed.Take(TimeSpan.FromSeconds(speed));
arpeggioInputs.Add(trimmedWithTimeSpan);
}
}
return(arpeggioInputs);
}
public void DefaultShouldPassStraightThrough()
{
var source = new TestSampleProvider(32000, 1);
var osp = new OffsetSampleProvider(source);
var expected = new float[] { 0, 1, 2, 3, 4, 5, 6 };
osp.AssertReadsExpected(expected);
}
public void CantSetNonBlockAlignedLeadOutSamples()
{
var source = new TestSampleProvider(32000, 2);
var osp = new OffsetSampleProvider(source);
var ex = Assert.Throws <ArgumentException>(() => osp.LeadOutSamples = 3);
Assert.That(ex.Message.Contains("LeadOutSamples"));
}
/// <summary>
/// Concatenates one Sample Provider on the end of another with silence inserted
/// </summary>
/// <param name="sampleProvider">The sample provider to play first</param>
/// <param name="silenceDuration">Silence duration to insert between the two</param>
/// <param name="next">The sample provider to play next</param>
/// <returns>A single sample provider</returns>
public static ISampleProvider FollowedBy(this ISampleProvider sampleProvider, TimeSpan silenceDuration, ISampleProvider next)
{
var silenceAppended = new OffsetSampleProvider(sampleProvider)
{
LeadOut = silenceDuration
};
return(new ConcatenatingSampleProvider(new[] { silenceAppended, next }));
}
private void playSentence(int n)
{
if (audioFile == null)
{
return;
}
if (n <= 0 || n > nMax - 1)
{
return;
}
outputDevice.Pause();
iPlayAll = false;
timer1.Stop();
outputDevice.Dispose();
// 前回、赤色に変えた文字を黒に戻す
richTextBox1.Select(previousTotalLength - previousSentenceLength, previousSentenceLength);
richTextBox1.SelectionColor = Color.Black;
int startToPauseTimeMS = pauseTimeMS[n] - startTimeMS[n];
if (startToPauseTimeMS <= 0)
{
MessageBox.Show("このセンテンスのタイムタグは不正です。");
return;
}
int totalLength = 0; // 文頭から再生するセンテンスまでのトータルの文字数を入れる変数
for (int m = 0; m < n + 1; m++)
{
totalLength = totalLength + sentences[m].Length;
}
// 再生箇所を赤色に変える
richTextBox1.Select(totalLength - sentences[n].Length, sentences[n].Length);
richTextBox1.SelectionColor = Color.Red;
richTextBox1.Select(totalLength, 0);
previousTotalLength = totalLength;
previousSentenceLength = sentences[n].Length;
audioFile.CurrentTime = TimeSpan.FromSeconds(startTimeMS[n] / 1000.0);
offsetSample = new OffsetSampleProvider(audioFile);
offsetSample.Take = TimeSpan.FromSeconds(startToPauseTimeMS / 1000.0);
outputDevice.Init(offsetSample);
timer1.Start();
outputDevice.Play();
playButton.Image = Properties.Resources.pause;
}
public void CantSetTakeSamplesAfterCallingRead()
{
var source = new TestSampleProvider(32000, 1);
var osp = new OffsetSampleProvider(source);
var buffer = new float[10];
osp.Read(buffer, 0, buffer.Length);
Assert.Throws <InvalidOperationException>(() => osp.TakeSamples = 4);
}
private void btnPlay_Click(object sender, EventArgs e)
{
RSS = new RawSourceWaveStream(sourceStream, waveSource.WaveFormat);
RSS.Position = 0;
offsetSampleProvider = new OffsetSampleProvider(RSS.ToSampleProvider());
offsetSampleProvider.SkipOver = TimeSpan.FromMilliseconds(0);
offsetSampleProvider.Take = TimeSpan.FromMilliseconds(3000);
outputSound.Init(offsetSampleProvider);
outputSound.Play();
}
public void HandlesSkipOverEntireSourceCorrectly()
{
var source = new TestSampleProvider(32000, 1, 10);
var osp = new OffsetSampleProvider(source);
osp.SkipOverSamples = 20;
var expected = new float[] { };
osp.AssertReadsExpected(expected, 20);
}
private static OffsetSampleProvider CreateSignalGenerator(int @from, int channels)
{
var signalGenerator = new SignalGenerator(@from, channels);
signalGenerator.Type = SignalGeneratorType.SawTooth;
signalGenerator.Frequency = 512;
signalGenerator.Gain = 0.3f;
var offset = new OffsetSampleProvider(signalGenerator);
offset.TakeSamples = @from * channels * 5; // 5 seconds
return(offset);
}
public void CanAddLeadOut()
{
var source = new TestSampleProvider(32000, 1, 10);
var osp = new OffsetSampleProvider(source)
{
LeadOutSamples = 5
};
var expected = new float[] { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 0, 0, 0, 0, 0 };
osp.AssertReadsExpected(expected);
}
public void CanTake()
{
var source = new TestSampleProvider(32000, 1);
var osp = new OffsetSampleProvider(source)
{
TakeSamples = 7
};
var expected = new float[] { 0, 1, 2, 3, 4, 5, 6 };
osp.AssertReadsExpected(expected, 10);
}
private void Play(string filename, int startPosition, int length)
{
var file = new AudioFileReader(filename);
var trimmed = new OffsetSampleProvider(file);
trimmed.SkipOver = TimeSpan.FromMilliseconds(startPosition);
trimmed.Take = TimeSpan.FromMilliseconds(length);
SoundPlayer = new WaveOutEvent();
SoundPlayer.Init(trimmed);
SoundPlayer.Play();
}
public void CanSkipOver()
{
var source = new TestSampleProvider(32000, 1);
var osp = new OffsetSampleProvider(source)
{
SkipOverSamples = 17
};
var expected = new float[] { 17, 18, 19, 20, 21, 22, 23, 24 };
osp.AssertReadsExpected(expected);
}
void StartPlayback()
{
State = LooperState.Playing;
button_play.Enabled = false;
button_StopPlayback.Enabled = true;
numericUpDown_length.Enabled = false;
numericUpDown_start.Enabled = false;
if (File.Exists("data\\" + this.Name + "\\" + FileName))
{
if (reader1 == null)
{
reader1 = new AudioFileReader("data\\" + this.Name + "\\" + FileName);
reader1.Volume = trackBar_Volume.Value / 100f;
sampleProvider1 = new OffsetSampleProvider(reader1);
parent.GetRecorder().AddTrack(sampleProvider1);
Logger.Log(Name + " - starting playback (reader1 first)");
}
else if /*(reader1.Position == reader1.Length)*/ (sampleProvider1 == null)
{
reader1.Position = 0;
sampleProvider1 = new OffsetSampleProvider(reader1);
parent.GetRecorder().AddTrack(sampleProvider1);
Logger.Log(Name + " - starting playback (reader1 repeat)");
}
else if (reader2 == null)
{
reader2 = new AudioFileReader("data\\" + this.Name + "\\" + FileName);
reader2.Volume = trackBar_Volume.Value / 100f;
sampleProvider2 = new OffsetSampleProvider(reader2);
parent.GetRecorder().AddTrack(sampleProvider2);
Logger.Log(Name + " - starting playback (reader2 first)");
}
else
{
reader2.Position = 0;
sampleProvider2 = new OffsetSampleProvider(reader2);
parent.GetRecorder().AddTrack(sampleProvider2);
Logger.Log(Name + " - starting playback (reader2 repeat)");
}
}
else
{
parent.GetMetronome().EmergencyStop();
MessageBox.Show("You must first record the audio.", "File doesn't exist");
}
}
private void Looper_MixerInputEnded(object sender, SampleProviderEventArgs e)
{
if (e.SampleProvider == sampleProvider1)
{
Logger.Log(Name + " - playback ended (reader1)");
sampleProvider1 = null;
}
if (e.SampleProvider == sampleProvider2)
{
Logger.Log(Name + " - playback ended (reader2)");
sampleProvider2 = null;
}
}
private void buttonSave_Click(object sender, EventArgs e)
{
btnStop_Click(this, e);
var sfd = new SaveFileDialog();
sfd.Filter = "WAV File|*.wav";
if (sfd.ShowDialog() == DialogResult.OK)
{
var osp = new OffsetSampleProvider(wg);
osp.TakeSamples = wg.WaveFormat.SampleRate * 20 * wg.WaveFormat.Channels;
WaveFileWriter.CreateWaveFile16(sfd.FileName, osp);
}
}
private void Button_Click(object sender, RoutedEventArgs e)
{
using (var reader1 = new AudioFileReader("cyrf_comeback.mp3"))
using (var reader2 = new AudioFileReader("cyrf_crossroad_advanced.mp3"))
{
var trimmed = new OffsetSampleProvider(reader1)
{
DelayBy = TimeSpan.FromSeconds(10),
};
var mixer = new MixingSampleProvider(new ISampleProvider[] { trimmed, reader2 });
WaveFileWriter.CreateWaveFile16("mixed.wav", mixer);
}
}
public static ISampleProvider FollowedBy(this ISampleProvider sampleProvider, TimeSpan silenceDuration, ISampleProvider next)
{
OffsetSampleProvider offsetSampleProvider = new OffsetSampleProvider(sampleProvider)
{
LeadOut = silenceDuration
};
return(new ConcatenatingSampleProvider(new ISampleProvider[]
{
offsetSampleProvider,
next
}));
}
public void PlayKey(int keyNumber)
{
var squareWave = new SignalGenerator()
{
Gain = 0.12,
Frequency = MusicalMathHelper.CalculateFrequency(keyNumber, 4),
Type = SignalGeneratorType.Square
};
var trimmed = new OffsetSampleProvider(squareWave);
var trimmedWithTimeSpan = trimmed.Take(TimeSpan.FromSeconds(0.4));
WaveformPlayer.Instance.PlayWaveform(trimmedWithTimeSpan);
}
public void SettingPreDelayUsingTimeSpanReturnsCorrectTimeSpan()
{
var source = new TestSampleProvider(100, 2)
{
Position = 10
};
var osp = new OffsetSampleProvider(source)
{
DelayBy = TimeSpan.FromSeconds(2.5)
};
Assert.AreEqual(2500, (int)osp.DelayBy.TotalMilliseconds);
Assert.AreEqual(500, osp.DelayBySamples);
}
private void btnOffsetProvider_Click(object sender, RoutedEventArgs e)
{
var sampleRate = 44100;
var channelCount = 1;
var seconds = 10;
var signalGenerator = new SignalGenerator(sampleRate, channelCount);
signalGenerator.Type = SignalGeneratorType.Sin;
signalGenerator.Frequency = 750;
signalGenerator.Gain = 0.5;
var offsetProvider = new OffsetSampleProvider(signalGenerator);
offsetProvider.TakeSamples = sampleRate * seconds * channelCount;
WaveFileWriter.CreateWaveFile16("sonidito.wav", offsetProvider);
}