public static void TestSpeed(string file)
{
Dictionary<float, float> Times = new Dictionary<float, float>();
OnsetDetector onsetDetector;
Stopwatch watch;
int warmup = 5;
int repeats = 3;
float startSliceLength = 0.5f; //500 milliseconds
float endSliceLength = 18; //5 seconds
float step = 0.5f;
//warmup
for (int i = 0; i < warmup; i++)
{
Console.WriteLine("Warming up, number {0} out of {1}", i+1, warmup);
onsetDetector = new OnsetDetector(DetectorOptions.Default, null);
onsetDetector.Detect(file);
}
//trials
for (float slice = startSliceLength; slice < endSliceLength; slice += step)
{
Console.WriteLine("Using slice length {0}", slice);
var options = DetectorOptions.Default;
options.SliceLength = slice;
float time = 0.0f;
watch = new Stopwatch();
for (int k = 0; k < repeats; k++)
{
Console.WriteLine("Beginning trial {0}", k);
watch.Restart();
onsetDetector = new OnsetDetector(options, null);
onsetDetector.Detect(file);
watch.Stop();
time += watch.ElapsedMilliseconds;
}
time /= repeats;
Times.Add(slice, time);
}
foreach (var time in Times)
{
Console.WriteLine("Slice Length (s):{0}\tTime Taken:{1} ms, {2} s", time.Key, time.Value, time.Value / 1000);
}
Console.ReadLine();
}
public static void TestSpeed(string file)
{
Dictionary <float, float> Times = new Dictionary <float, float>();
OnsetDetector onsetDetector;
Stopwatch watch;
int warmup = 5;
int repeats = 3;
float startSliceLength = 0.5f; //500 milliseconds
float endSliceLength = 18; //5 seconds
float step = 0.5f;
//warmup
for (int i = 0; i < warmup; i++)
{
Console.WriteLine("Warming up, number {0} out of {1}", i + 1, warmup);
onsetDetector = new OnsetDetector(DetectorOptions.Default, null);
onsetDetector.Detect(file);
}
//trials
for (float slice = startSliceLength; slice < endSliceLength; slice += step)
{
Console.WriteLine("Using slice length {0}", slice);
var options = DetectorOptions.Default;
options.SliceLength = slice;
float time = 0.0f;
watch = new Stopwatch();
for (int k = 0; k < repeats; k++)
{
Console.WriteLine("Beginning trial {0}", k);
watch.Restart();
onsetDetector = new OnsetDetector(options, null);
onsetDetector.Detect(file);
watch.Stop();
time += watch.ElapsedMilliseconds;
}
time /= repeats;
Times.Add(slice, time);
}
foreach (var time in Times)
{
Console.WriteLine("Slice Length (s):{0}\tTime Taken:{1} ms, {2} s", time.Key, time.Value, time.Value / 1000);
}
Console.ReadLine();
}
public static void TestRobustness(string testFolder)
{
var options = DetectorOptions.Default;
options.ActivationThreshold = 10;
options.SliceLength = 10.0f;
options.SlicePaddingLength = 0.5f;
options.Online = false;
var onsetDetector = new OnsetDetector(options, null);
var files = Directory.GetFiles(testFolder).Where(f => ".mp3 .wav .flac".Contains(Path.GetExtension(f)));
foreach (var f in files)
{
var ext = Path.GetExtension(f);
var name = Path.GetFileNameWithoutExtension(f);
var onsetName = name + "_" + ext + "_onsets.csv";
var onsets = onsetDetector.Detect(f);
File.WriteAllLines(Path.Combine(testFolder, onsetName), onsets.Select(s => s.ToString()).ToArray());
Console.WriteLine("{0}: Sum - {1}, Average - {2}", name + "_" + ext, onsets.Sum(o => o.OnsetTime), onsets.Sum(o => o.OnsetTime) / onsets.Count);
Console.WriteLine(onsets.Count);
}
//var allFiles = Directory.GetFiles(@"D:\Patrick\Music\My Music", "*.flac", SearchOption.AllDirectories);
//int max = 100;
//List<int> indicies = new List<int>();
//List<string> testFiles = new List<string>();
//var r = new Random();
//for (int i = 0; i < max; i++)
//{
// int index = r.Next(0, allFiles.Length);
// indicies.Add(index);
// testFiles.Add(allFiles[index]);
//}
//foreach (var f in testFiles)
//{
// var onsets = onsetDetector.Detect(f);
// Console.WriteLine("{0}: Sum - {1}\tAverage - {2}", Path.GetFileNameWithoutExtension(f).PadRight(20).Substring(0,20), onsets.Sum(o => o.OnsetTime), onsets.Sum(o => o.OnsetTime) / onsets.Count);
//}
}
public static void TestRobustness(string testFolder)
{
var options = DetectorOptions.Default;
options.ActivationThreshold = 10;
options.SliceLength = 10.0f;
options.SlicePaddingLength = 0.5f;
options.Online = false;
var onsetDetector = new OnsetDetector(options, null);
var files = Directory.GetFiles(testFolder).Where(f => ".mp3 .wav .flac".Contains(Path.GetExtension(f)));
foreach (var f in files)
{
var ext = Path.GetExtension(f);
var name = Path.GetFileNameWithoutExtension(f);
var onsetName = name + "_" + ext + "_onsets.csv";
var onsets = onsetDetector.Detect(f);
File.WriteAllLines(Path.Combine(testFolder, onsetName), onsets.Select(s => s.ToString()).ToArray());
Console.WriteLine("{0}: Sum - {1}, Average - {2}", name + "_" + ext, onsets.Sum(o => o.OnsetTime), onsets.Sum(o => o.OnsetTime) / onsets.Count);
Console.WriteLine(onsets.Count);
}
//var allFiles = Directory.GetFiles(@"D:\Patrick\Music\My Music", "*.flac", SearchOption.AllDirectories);
//int max = 100;
//List<int> indicies = new List<int>();
//List<string> testFiles = new List<string>();
//var r = new Random();
//for (int i = 0; i < max; i++)
//{
// int index = r.Next(0, allFiles.Length);
// indicies.Add(index);
// testFiles.Add(allFiles[index]);
//}
//foreach (var f in testFiles)
//{
// var onsets = onsetDetector.Detect(f);
// Console.WriteLine("{0}: Sum - {1}\tAverage - {2}", Path.GetFileNameWithoutExtension(f).PadRight(20).Substring(0,20), onsets.Sum(o => o.OnsetTime), onsets.Sum(o => o.OnsetTime) / onsets.Count);
//}
}
