/// <summary>
/// Call this function when you are ready to begin reading from the device buffer.
/// </summary>
/// <param name="areas">The memory area data can be read from.</param>
/// <param name="frameCount">Positive number of frames to read, returns the number of frames that will be actually read.</param>
/// <returns>Value indicating operation success.</returns>
/// <remarks>
/// Call this function only from the OnReadCallback thread context. When done reading from areas, call EndRead.
/// </remarks>
public SoundIoError BeginRead(out SoundIOChannelAreas areas, ref int frameCount)
{
IntPtr head;
SoundIoError result = NativeMethods.SoundIoInstreamBeginRead(handle, out head, ref frameCount);
if (head == IntPtr.Zero)
{
areas = null;
}
else
{
areas = new SoundIOChannelAreas(head, Layout.ChannelCount, frameCount);
}
return(result);
}
internal static extern IntPtr SoundIoStrError(
[In] SoundIoError error
);
static void SoundIo_OnBackendDisconnected(object sender, SoundIoError eventArgs)
{
Console.WriteLine("OnBackendDisconnect");
}
internal SoundIOException(SoundIoError errorCode)
: base(Marshal.PtrToStringAnsi(Natives.soundio_error_name(errorCode)))
{
}
/// <summary>
/// Initializes a new instance of the <see cref="SoundIOException"/> class with an error message
/// adequate to specified error code and a reference to the inner exception that is the cause of this exception.
/// </summary>
/// <param name="error">Error code to retrieve error message for.</param>
/// <param name="innerException">The exception that is the cause of the current exception.</param>
public SoundIOException(SoundIoError error, Exception innerException)
: base(error.GetErrorMessage(), innerException)
{
}
/// <summary>
/// Initializes a new instance of the <see cref="SoundIOException"/> class with an error message
/// adequate to specified error code.
/// </summary>
/// <param name="error">Error code to retrieve error message for.</param>
public SoundIOException(SoundIoError error)
: base(error.GetErrorMessage())
{
}
/// <summary>
/// Retrieves string message for specified error.
/// </summary>
/// <param name="error">Error for which to retrieve message.</param>
/// <returns>String message for specified error.</returns>
public static string GetErrorMessage(this SoundIoError error)
{
return(Marshal.PtrToStringAnsi(NativeMethods.SoundIoStrError(error)));
}
