public void TestProcess()
{
Porcupine p = new Porcupine(Path.Combine(Environment.CurrentDirectory, "porcupine_params.pv"), keywordFilePath: $"{GetAbsRootPath()}resources/keyword_files/porcupine_{GetEnvironmentName()}.ppn", sensitivity: 0.5f);
Assert.AreEqual(PicoVoiceStatus.SUCCESS, p.Status, "the status of the creation of the recognition system has failed");
WAVFile file = new WAVFile();
file.Open("porcupine.wav", WAVFile.WAVFileMode.READ);
Assert.AreEqual(p.SampleRate() / 1000, file.BitsPerSample, "The samplerate is not equal!!!");
List <short> data = new List <short>();
while (file.NumSamplesRemaining > 0)
{
data.Add(BitConverter.ToInt16(file.GetNextSample_ByteArray()));
}
int framecount = (int)Math.Floor((decimal)(data.Count / p.FrameLength()));
var results = new List <bool>();
for (int i = 0; i < framecount; i++)
{
int start = i * p.FrameLength();
int count = p.FrameLength();
List <short> frame = data.GetRange(start, count);
p.Process(frame.ToArray(), out bool result);
results.Add(result);
}
var res = results.Count(x => x);
Assert.AreEqual(1, res, $"The result is not as expected, expected {1} got {res}");
p.Dispose();
}
public void MultipleKeywords()
{
var modelFilePath = Path.GetFullPath(Path.Combine(Environment.CurrentDirectory, "porcupine_params.pv"));
Assert.IsTrue(File.Exists(modelFilePath), $"File.Exists(modelFilePath) --> {modelFilePath}");
paths.ForEach(keywordFilePath => Assert.IsTrue(File.Exists(keywordFilePath), $"File.Exists(keywordFilePath) --> {keywordFilePath}"));
Porcupine p = new Porcupine(modelFilePath, keywordFilePaths: paths, sensitivities: senses);
Assert.AreEqual(PicoVoiceStatus.SUCCESS, p.Status, "the status of the creation of the recognition system has failed");
WAVFile file = new WAVFile();
file.Open("multiple_keywords.wav", WAVFile.WAVFileMode.READ);
Assert.AreEqual(p.SampleRate(), file.AudioFormat.SampleRateHz, "The samplerate is not equal!!!");
List <short> data = new List <short>();
while (file.NumSamplesRemaining > 0)
{
data.Add(BitConverter.ToInt16(file.GetNextSample_ByteArray()));
}
int framecount = (int)Math.Floor((decimal)(data.Count / p.FrameLength()));
var results = new List <int>();
for (int i = 0; i < framecount; i++)
{
int start = i * p.FrameLength();
int count = p.FrameLength();
List <short> frame = data.GetRange(start, count);
PicoVoiceStatus status = p.ProcessMultipleKeywords(frame.ToArray(), out int result);
if (result >= 0)
{
results.Add(result);
}
Assert.AreEqual(PicoVoiceStatus.SUCCESS, status, "The status is not as expected");
}
var requiredRes = new[] { 8, 0, 1, 2, 3, 4, 5, 7, 8, 9 };
Assert.AreEqual(requiredRes.Length, results.Count, $"expected results length are different expected {requiredRes.Length} got {results.Count}");
for (var i = 0; i < results.Count; i++)
{
Assert.AreEqual(requiredRes[i], results[i], $"The result is not as expected, expected {requiredRes[i]} got {results[i]}");
}
p.Dispose();
}
byte[] GetWavData(string fileName)
{
var wav = new WAVFile();
wav.Open(fileName, WAVFile.WAVFileMode.READ);
wav.SeekToAudioDataStart();
byte[] data = new byte[wav.DataSizeBytes];
byte[] arr;
int start = 0;
do
{
arr = wav.GetNextSample_ByteArray();
arr.CopyTo(data, start);
start += arr.Length;
}while (wav.NumSamplesRemaining > 1);
wav.Close();
return(data);
}
