private void ClearAudio()
{
VstHost host = VstHost.Instance;
host.ClearRecording();
this.waveDisplayUserControl1.SetAudioData(host.RecordedLeft.ToArray());
}
void ClearBtnClick(object sender, EventArgs e)
{
VstHost host = VstHost.Instance;
host.ClearRecording();
MaxResolutionTrackBar.Maximum = 100;
MaxResolutionTrackBar.TickFrequency = 10;
this.waveDisplayUserControl1.Resolution = 1;
this.waveDisplayUserControl1.SetAudioData(host.RecordedLeft.ToArray());
}
private void ClearAudio()
{
VstHost host = VstHost.Instance;
host.ClearRecording();
MaxResolutionTrackBar.Maximum = 100;
MaxResolutionTrackBar.TickFrequency = 10;
this.waveDisplayUserControl1.Resolution = 1;
this.waveDisplayUserControl1.SetAudioData(host.RecordedLeft.ToArray());
}
void MeasureLFOBtnClick(object sender, EventArgs e)
{
MeasureLFOInit();
VstHost host = VstHost.Instance;
List <string> lfoAlreadyProcessed = new List <string>();
// step through the LFO steps
int count = 0;
for (float paramValue = 1.0f; paramValue >= 0.0f; paramValue -= 0.020f)
{
// time how long this takes
Stopwatch stopwatch = Stopwatch.StartNew();
// init the buffers
host.ClearRecording();
host.ClearLastProcessedBuffers();
// start record
host.Record = true;
// set the parameter
PluginContext.PluginCommandStub.SetParameter(SYLENTH_PARAM_LFO1_RATE, paramValue);
// get param display value
string paramDisplay = PluginContext.PluginCommandStub.GetParameterDisplay(SYLENTH_PARAM_LFO1_RATE);
// check if already processed
if (lfoAlreadyProcessed.Contains(paramDisplay))
{
continue;
}
else
{
lfoAlreadyProcessed.Add(paramDisplay);
}
// wait until it has started playing
while (!host.LastProcessedBufferLeftPlaying)
{
// start playing audio
Playback.Play();
// play midi
host.SendMidiNote(host.SendContinousMidiNote, host.SendContinousMidiNoteVelocity);
if (stopwatch.ElapsedMilliseconds > 5000)
{
stopwatch.Stop();
System.Console.Out.WriteLine("MeasureLFOBtnClick: Playing Midi Failed!");
return;
}
System.Threading.Thread.Sleep(100);
}
// play for approx 1000 ms
// paramValue: 1 = 1/256 Triple (count = 0)
// paramValue: 0 = 8/1 D (count = 10)
System.Threading.Thread.Sleep((int)(20 * Math.Pow(count, 2)));
// stop midi
host.SendMidiNote(host.SendContinousMidiNote, 0);
// wait until it has stopped playing
while (host.LastProcessedBufferLeftPlaying)
{
if (stopwatch.ElapsedMilliseconds > 40000)
{
System.Console.Out.WriteLine("MeasureLFOBtnClick: Playing never stopped?!");
break;
}
}
// stop playing audio
Playback.Stop();
stopwatch.Stop();
System.Console.Out.WriteLine("MeasureLFOBtnClick: Playing stopped: {0} ms. {1}", stopwatch.ElapsedMilliseconds, paramDisplay);
// stop recording
host.Record = false;
// crop
CropAudio();
// store this in a wav ouput file.
string wavFilePath = String.Format("audio-LFO-{0}-{1}.wav", StringUtils.MakeValidFileName(paramDisplay), StringUtils.GetCurrentTimestamp());
AudioUtilsNAudio.CreateWaveFile(host.RecordedLeft.ToArray(), wavFilePath, new WaveFormat(host.SampleRate, 1));
// store as a png
System.Drawing.Bitmap png = CommonUtils.FFT.AudioAnalyzer.DrawWaveform(host.RecordedLeft.ToArray(), new System.Drawing.Size(1000, 600), 10000, 1, 0, host.SampleRate);
string fileName = String.Format("audio-LFO-{0}-{1}.png", StringUtils.MakeValidFileName(paramDisplay), StringUtils.GetCurrentTimestamp());
png.Save(fileName);
// clear
ClearAudio();
// wait a specfied time
System.Threading.Thread.Sleep(100);
stopwatch.Stop();
count++;
}
}
void MeasureADSRParameter(int paramName, float paramValue, string envName, bool measureRelease = false)
{
System.Console.Out.WriteLine("MeasureADSREntry: Measuring {0} at value {1:0.00}...", envName, paramValue);
VstHost host = VstHost.Instance;
// time how long this takes
Stopwatch stopwatch = Stopwatch.StartNew();
// init the buffers
host.ClearRecording();
host.ClearLastProcessedBuffers();
// start record
host.Record = true;
// set the parameter
PluginContext.PluginCommandStub.SetParameter(paramName, paramValue);
((HostCommandStub)PluginContext.HostCommandStub).SetParameterAutomated(paramName, paramValue);
// wait until it has started playing
while (!host.LastProcessedBufferLeftPlaying)
{
// start playing audio
Playback.Play();
// play midi
host.SendMidiNote(host.SendContinousMidiNote, host.SendContinousMidiNoteVelocity);
if (stopwatch.ElapsedMilliseconds > 5000)
{
stopwatch.Stop();
System.Console.Out.WriteLine("MeasureADSREntry: Playing Midi Failed!");
return;
}
System.Threading.Thread.Sleep(100);
}
if (measureRelease)
{
// release is a special case where you only measure the tail after
// a short midi signal
// therefore we need to stop the midi message here
host.SendMidiNote(host.SendContinousMidiNote, 0);
}
// wait until it has stopped playing
stopwatch.Restart();
while (host.LastProcessedBufferLeftPlaying)
{
if (stopwatch.ElapsedMilliseconds > 40000)
{
stopwatch.Stop();
System.Console.Out.WriteLine("MeasureADSREntry: Playing never stopped?!");
break;
}
}
// stop playing audio
Playback.Stop();
stopwatch.Stop();
System.Console.Out.WriteLine("MeasureADSREntry: Playing stopped: {0} ms.", stopwatch.ElapsedMilliseconds);
// stop recording
host.Record = false;
// wait a specfied time
System.Threading.Thread.Sleep(100);
// crop
CropAudio();
// store the duration
RetrieveDuration();
// store this in a wav ouput file.
float param = PluginContext.PluginCommandStub.GetParameter(paramName);
string wavFilePath = String.Format("{0}{1:0.00}s-{2}.wav", envName, param, StringUtils.GetCurrentTimestamp());
AudioUtilsNAudio.CreateWaveFile(host.RecordedLeft.ToArray(), wavFilePath, new WaveFormat(host.SampleRate, 1));
// store as a png
System.Drawing.Bitmap png = CommonUtils.FFT.AudioAnalyzer.DrawWaveform(host.RecordedLeft.ToArray(), new System.Drawing.Size(1000, 600), 10000, 1, 0, host.SampleRate);
string fileName = String.Format("{0}{1:0.00}s-{2}.png", envName, param, StringUtils.GetCurrentTimestamp());
png.Save(fileName);
if (!measureRelease)
{
// turn of midi unless we are measuring a release envelope
// then it should have been turned of immideately after a small signal is generated
host.SendMidiNote(host.SendContinousMidiNote, 0);
}
// clear
ClearAudio();
// wait a specfied time
System.Threading.Thread.Sleep(100);
stopwatch.Stop();
}