private string GenEditedFiles(string[] files, List <Note> notes)
{
string tempdir = FluidSys.FluidSys.CreateTempDir();
string tempfile = "";
string tempfile2 = "";
int run = 0;
// Trim each note
foreach (string file in files)
{
tempfile = tempdir + "\\" + run.ToString() + ".wav";
tempfile2 = tempdir + "\\" + run.ToString() + "0.wav";
//WavFileUtils.TrimWavFile(file, tempfile2, TimeSpan.FromMilliseconds(notes[run].VoiceProperties.Start),
// TimeSpan.FromMilliseconds(notes[run].VoiceProperties.End));
var afr = new AudioFileReader(file);
var fade = new DelayFadeOutSampleProvider(afr);
fade.BeginFadeIn(100);
//fade.BeginFadeOut(afr.TotalTime.TotalMilliseconds , afr.TotalTime.TotalMilliseconds * 2);
//fade.BeginFadeIn(35);
var stwp = new NAudio.Wave.SampleProviders.SampleToWaveProvider(fade);
WaveFileWriter.CreateWaveFile(tempfile, stwp);
new System.Media.SoundPlayer(tempfile).Play();
//File.Delete(tempfile2);
run++;
}
return(tempdir);
}
private void FadeOutDurationButton_Click(object sender, EventArgs e)
{
string outputFileName = fileName.Substring(0, fileName.Length - 4);
var outPath = outputFileName + "FadeOutDuration.wav";
var reader = new AudioFileReader(open.FileName);
var fader = new DelayFadeOutSampleProvider(reader);
double totalTime = Int32.Parse(FadeOutDurationTextBox.Text);
double startingTime = Int32.Parse(FadeOutStartingPointTextBox.Text);
fader.BeginFadeOut(startingTime, totalTime);
var stwp = new SampleToWaveProvider(fader);
WaveFileWriter.CreateWaveFile(outPath, stwp);
}
public static int TrimAudioFile(string inPath, string outPath, TimeSpan cutFromStart, TimeSpan cutFromEnd)
{
TimeSpan fadeSpan = new TimeSpan(0, 0, 0, 2, 470);
if (Path.GetExtension(inPath) != ".mp3" && Path.GetExtension(inPath) != ".wav")
{
return(-1);
}
WaveStream ws;
if (Path.GetExtension(inPath) == ".mp3")
{
ws = new Mp3FileReader(inPath);
}
else if (Path.GetExtension(inPath) == ".wav")
{
ws = new WaveFileReader(inPath);
}
else
{
return(-1);
}
try
{
//using (AudioFileReader audioReader = new AudioFileReader(inPath))
using (WaveStream audioReader = ws)
{
string temp_file = Path.GetTempFileName();
var sampleProvider = audioReader.ToSampleProvider();
var SampleRate = audioReader.WaveFormat.SampleRate;
var startPosition = (cutFromStart.TotalMilliseconds * SampleRate) / 1000;
var takeSpan = audioReader.TotalTime - cutFromStart - cutFromEnd;
var skipBeforeFade = takeSpan - fadeSpan;
sampleProvider = sampleProvider.Skip(cutFromStart);
sampleProvider = sampleProvider.Take(takeSpan);
//var fader = new FadeInOutSampleProvider(sampleProvider);
var fader = new DelayFadeOutSampleProvider(sampleProvider);
fader.BeginFadeOut(skipBeforeFade.TotalMilliseconds, fadeSpan.TotalMilliseconds);
//fader.BeginFadeOut(fadeSpan.TotalMilliseconds);
var wave = new SampleToWaveProvider(fader);
//WaveFileWriter.CreateWaveFile(outPath, wave);
using (WaveFileWriter writer = new WaveFileWriter(temp_file, audioReader.WaveFormat))
{
int read = 0;
float[] fBuffer = new float[64 * 1024];
do
{
read = fader.Read(fBuffer, 0, 64 * 1024);
if (read > 0)
{
writer.WriteSamples(fBuffer, 0, read);
}
//read = wave.Read(fBuffer, 0, 1024);
//if (read > 0)
//{
// writer.Write(fBuffer, 0, read);
//}
} while (read > 0);
}
Console.Write($"Writing file: {Path.GetFileName(outPath)}.....");
File.Copy(temp_file, outPath);
Console.WriteLine($"Done.");
File.Delete(temp_file);
}
}
catch (Exception e)
{
Console.WriteLine();
Console.WriteLine($"Error: {e.Message}");
return(-1);
}
return(1);
}
private string GenEditedFiles(string[] files, List<Note> notes) {
string tempdir = FluidSys.FluidSys.CreateTempDir();
string tempfile = "";
string tempfile2 = "";
int run = 0;
// Trim each note
foreach (string file in files) {
tempfile = tempdir + "\\" + run.ToString() + ".wav";
tempfile2 = tempdir + "\\" + run.ToString() + "0.wav";
//WavFileUtils.TrimWavFile(file, tempfile2, TimeSpan.FromMilliseconds(notes[run].VoiceProperties.Start),
// TimeSpan.FromMilliseconds(notes[run].VoiceProperties.End));
var afr = new AudioFileReader(file);
var fade = new DelayFadeOutSampleProvider(afr);
fade.BeginFadeIn(175);
fade.BeginFadeOut(afr.TotalTime.TotalMilliseconds , afr.TotalTime.TotalMilliseconds * 2);
var stwp = new NAudio.Wave.SampleProviders.SampleToWaveProvider(fade);
WaveFileWriter.CreateWaveFile(tempfile, stwp);
new System.Media.SoundPlayer(tempfile).Play();
//File.Delete(tempfile2);
run++;
}
return tempdir;
}
