EngineX-Iluvatar/enginex-mr_series-sherpa-onnx
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Upgraded to .NET 8 and made code style a little more internally consistent. (#1680)

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This commit is contained in:
Michael Lamothe
2025-01-04 19:39:06 +11:00
committed by GitHub
parent bf3330c906
commit 8a60985363
29 changed files with 354 additions and 404 deletions
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29
dotnet-examples/keyword-spotting-from-microphone/Program.cs
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@@ -12,12 +12,9 @@
//
// dotnet run
using SherpaOnnx;
using System.Collections.Generic;
using System.Runtime.InteropServices;
using System;
using PortAudioSharp;
using SherpaOnnx;
using System.Runtime.InteropServices;
class KeywordSpotterDemo
{
@@ -41,11 +38,11 @@ class KeywordSpotterDemo
var filename = "./sherpa-onnx-kws-zipformer-wenetspeech-3.3M-2024-01-01/test_wavs/3.wav";
WaveReader waveReader = new WaveReader(filename);
var waveReader = new WaveReader(filename);
Console.WriteLine("----------Use pre-defined keywords----------");
OnlineStream s = kws.CreateStream();
var s = kws.CreateStream();
Console.WriteLine(PortAudio.VersionInfo.versionText);
PortAudio.Initialize();
@@ -54,7 +51,7 @@ class KeywordSpotterDemo
for (int i = 0; i != PortAudio.DeviceCount; ++i)
{
Console.WriteLine($" Device {i}");
DeviceInfo deviceInfo = PortAudio.GetDeviceInfo(i);
var deviceInfo = PortAudio.GetDeviceInfo(i);
Console.WriteLine($" Name: {deviceInfo.name}");
Console.WriteLine($" Max input channels: {deviceInfo.maxInputChannels}");
Console.WriteLine($" Default sample rate: {deviceInfo.defaultSampleRate}");
@@ -66,12 +63,12 @@ class KeywordSpotterDemo
Environment.Exit(1);
}
DeviceInfo info = PortAudio.GetDeviceInfo(deviceIndex);
var info = PortAudio.GetDeviceInfo(deviceIndex);
Console.WriteLine();
Console.WriteLine($"Use default device {deviceIndex} ({info.name})");
StreamParameters param = new StreamParameters();
var param = new StreamParameters();
param.device = deviceIndex;
param.channelCount = 1;
param.sampleFormat = SampleFormat.Float32;
@@ -79,21 +76,21 @@ class KeywordSpotterDemo
param.hostApiSpecificStreamInfo = IntPtr.Zero;
PortAudioSharp.Stream.Callback callback = (IntPtr input, IntPtr output,
UInt32 frameCount,
uint frameCount,
ref StreamCallbackTimeInfo timeInfo,
StreamCallbackFlags statusFlags,
IntPtr userData
) =>
{
float[] samples = new float[frameCount];
Marshal.Copy(input, samples, 0, (Int32)frameCount);
var samples = new float[frameCount];
Marshal.Copy(input, samples, 0, (int)frameCount);
s.AcceptWaveform(config.FeatConfig.SampleRate, samples);
return StreamCallbackResult.Continue;
};
PortAudioSharp.Stream stream = new PortAudioSharp.Stream(inParams: param, outParams: null, sampleRate: config.FeatConfig.SampleRate,
var stream = new PortAudioSharp.Stream(inParams: param, outParams: null, sampleRate: config.FeatConfig.SampleRate,
framesPerBuffer: 0,
streamFlags: StreamFlags.ClipOff,
callback: callback,
@@ -113,15 +110,13 @@ class KeywordSpotterDemo
}
var result = kws.GetResult(s);
if (result.Keyword != "")
if (result.Keyword != string.Empty)
{
Console.WriteLine("Detected: {0}", result.Keyword);
}
Thread.Sleep(200); // ms
}
PortAudio.Terminate();
}
}