public void ApplyEffects(IEffectsOptions options)
{
var mp3Path = options.Mp3File;
this.PitchEffect.Semitones = options.Semitones;
var tasksCount = 5;
this.ProgressNotifier.Initialize(tasksCount, "Change the pitch of the mp3 file");
this.ProgressNotifier.Tick("Read mp3 file...");
var inMp3Bytes = File.ReadAllBytes(mp3Path);
this.ProgressNotifier.Tick("Convert to wav...");
var inWavBytes = AudioUtils.Mp3ToWav(inMp3Bytes);
var waveSamples = AudioUtils.WavToWaveSamples(inWavBytes);
var sampleRate = waveSamples.WaveFormat.SampleRate;
var samples = waveSamples.Samples;
this.InitializeEffects(sampleRate);
this.ProgressNotifier.Tick("Apply effects...");
this.ProcessSamples(samples, 0, samples.Length, waveSamples.WaveFormat);
var outWavBytes = AudioUtils.WaveSamplesToWav(waveSamples);
this.ProgressNotifier.Tick("Convert to mp3...");
var outMp3Bytes = AudioUtils.WavToMp3(outWavBytes);
var outMp3Path = options.OutputFile;
if (string.IsNullOrEmpty(outMp3Path))
{
outMp3Path = GetOutputMp3Path(mp3Path, options.Semitones);
}
this.ProgressNotifier.Tick("Save mp3 file...");
File.WriteAllBytes(outMp3Path, outMp3Bytes);
this.ProgressNotifier.UpdateMessage("Finished!");
}
private int ApplyEffects(IEffectsOptions options)
{
if (options.Semitones == 0)
{
MessageBox.Show("Changing the pitch by 0 semitones does not alter the original audio. Skipping.");
return(0);
}
try
{
var progressBar = new ProgressBarProgressNotifier(this.ProgressBar, this.ProgressLabel);
var pipeline = new AudioPipeline(progressBar);
pipeline.ApplyEffects(options);
return(0);
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
return(-1);
}
}
private static int Run(IEffectsOptions options)
{
if (options.Semitones == 0)
{
Console.WriteLine("Changing the pitch by 0 semitones does not alter the original audio. Skipping.");
return(0);
}
try
{
using (var progressBar = new ProgressBarProgressNotifier())
{
var pipeline = new AudioPipeline(progressBar);
pipeline.ApplyEffects(options);
}
return(0);
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
return(-1);
}
}
