private ReportErrorCB m_error_cb; // Reference to callback
public Audio()
{
if (!ModuleLoaded)
{
throw new Exception("Audio.dll has not been loaded");
}
m_dispatcher = Dispatcher.CurrentDispatcher;
m_thread_id = Thread.CurrentThread.ManagedThreadId;
// Initialise audio
var init_error = (string?)null;
ReportErrorCB error_cb = (ctx, msg) => init_error = msg;
m_context = Audio_Initialise(error_cb, IntPtr.Zero);
if (m_context == HContext.Zero)
{
throw new Exception(init_error ?? "Failed to initialised Audio");
}
// Attach the global error handler
m_error_cb = (ctx, msg) =>
{
if (m_thread_id != Thread.CurrentThread.ManagedThreadId)
{
m_dispatcher.BeginInvoke(m_error_cb, ctx, msg);
}
else
{
Error?.Invoke(this, new MessageEventArgs(msg));
}
};
Audio_GlobalErrorCBSet(m_error_cb, IntPtr.Zero, true);
}
[DllImport(Dll)] private static extern void Audio_GlobalErrorCBSet(ReportErrorCB error_cb, IntPtr ctx, bool add);
// Initialise / shutdown the dll [DllImport(Dll)] private static extern HContext Audio_Initialise(ReportErrorCB initialise_error_cb, IntPtr ctx);
