/// <summary>
/// Writes an audio buffer to the specified instance of a cExternalAudioSource component.
/// The data must match the specified data format for the component (sample size, number of channels, etc.).
/// </summary>
/// <param name="componentName">Instance name of the cExternalAudioSource component to write to.</param>
/// <param name="data">Audio frames to write.</param>
/// <returns>
/// Returns true if the data was written successfully, otherwise returns false
/// (e.g. if the internal buffer of the component is full).
/// </returns>
/// <exception cref="ObjectDisposedException">
/// Thrown if the object has already been disposed.
/// </exception>
/// <exception cref="InvalidOperationException">
/// Thrown if openSMILE has not been initialized yet.
/// </exception>
/// <exception cref="OpenSmileException">
/// Thrown for internal openSMILE errors.
/// </exception>
public bool ExternalAudioSourceWriteData(string componentName, double[] data)
{
if (disposed)
{
throw new ObjectDisposedException(typeof(OpenSMILE).FullName);
}
if (smileObj == IntPtr.Zero)
{
throw new InvalidOperationException("openSMILE must be initialized first.");
}
OpenSmileResult result = OpenSmileApi.Smile_extaudiosource_write_data(smileObj, componentName, data, data.Length * sizeof(double));
if (result == OpenSmileResult.SMILE_SUCCESS)
{
return(true);
}
else if (result == OpenSmileResult.SMILE_NOT_WRITTEN)
{
return(false);
}
else
{
CheckSmileResult(result);
throw new Exception(); // unreachable as CheckSmileResult will throw, just to make compiler happy
}
}
private void CheckSmileResult(OpenSmileResult result)
{
if (result != OpenSmileResult.SMILE_SUCCESS)
{
string message = OpenSmileApi.Smile_error_msg(smileObj);
throw new OpenSmileException(result, message);
}
}
public OpenSmileException(OpenSmileResult code, string message)
: base(message)
{
Code = code;
}
public OpenSmileException(OpenSmileResult code)
{
Code = code;
}
