/// <summary>
/// Creates and initializes a WebRTC voice activity detector.
/// </summary>
/// <remarks>
/// This constructor injects a WebRTC library for unit testing, rather than
/// depending on the P/Invoke implementation provided by the default constructor.
/// </remarks>
/// <param name="library">Interface for the underlying WebRTC library.</param>
public WebRtcVad(IWebRtcDll library)
{
_webrtc = library ?? throw new ArgumentNullException(nameof(library));
_mode = OperatingMode.HighQuality;
_rate = SampleRate.Is8kHz;
_length = FrameLength.Is10ms;
try
{
_handle = _webrtc.Create();
var result = _webrtc.Init(_handle);
ValidateInitialize(result, _handle);
}
catch (DllNotFoundException e)
{
var currentDir = Directory.GetCurrentDirectory();
throw new DllNotFoundException($"Unable to load DLL 'WebRtcVad.dll' or a dependency. Be sure it exists in '{currentDir}' or elsewhere in the DLL search path.", e);
}
}
public TestWebRtcVad(IWebRtcDll library) : base(library)
{
}
