public IXAudio2VoiceCallbackWrapper(IXAudio2VoiceCallback callback)
{
if (callback == null)
{
return;
}
_callback = callback;
// Store callbacks to prevent them from being garbage collected
_startCallback = (_, bytesRequired) => _callback.OnVoiceProcessingPassStart(bytesRequired);
_endCallback = _ => _callback.OnVoiceProcessingPassEnd();
_streamEndCallback = _ => _callback.OnStreamEnd();
_bufferStartCallback = (_, context) => _callback.OnBufferStart(context);
_bufferEndCallback = (_, context) => _callback.OnBufferEnd(context);
_loopEndCallback = (_, context) => _callback.OnLoopEnd(context);
_voiceErrorCallback = (_, context, error) => _callback.OnVoiceError(context, error);
// Allocate memory for the C++ interface
_nativePointer = Marshal.AllocHGlobal(IntPtr.Size * 8); // 7 methods + vtbl
// Write pointer to vtbl
Marshal.WriteIntPtr(_nativePointer, IntPtr.Add(_nativePointer, IntPtr.Size));
// Write the functions to the vtable
WriteFunctionPointer(1, _startCallback);
WriteFunctionPointer(2, _endCallback);
WriteFunctionPointer(3, _streamEndCallback);
WriteFunctionPointer(4, _bufferStartCallback);
WriteFunctionPointer(5, _bufferEndCallback);
WriteFunctionPointer(6, _loopEndCallback);
WriteFunctionPointer(7, _voiceErrorCallback);
}
private void EndTag(byte[] buf, int offset, ContentToken ct, TOK tok)
{
this.m_Depth--;
this.m_ns.PopScope();
if (this.current == null)
{ // end of doc
OnStreamEnd?.Invoke(this, this.m_root);
// FireOnDocumentEnd();
return;
}
string name = null;
if ((tok == TOK.EMPTY_ELEMENT_WITH_ATTS) ||
(tok == TOK.EMPTY_ELEMENT_NO_ATTS))
{
name = utf.GetString(buf,
offset + this.m_enc.MinBytesPerChar,
ct.NameEnd - offset -
this.m_enc.MinBytesPerChar);
}
else
{
name = utf.GetString(buf,
offset + this.m_enc.MinBytesPerChar * 2,
ct.NameEnd - offset -
this.m_enc.MinBytesPerChar * 2);
}
// if (current.Name != name)
// throw new Exception("Invalid end tag: " + name +
// " != " + current.Name);
var parent = (Element)this.current.Parent;
if (parent == null)
{
this.DoRaiseOnStreamElement(this.current);
//if (OnStreamElement!=null)
// OnStreamElement(this, current);
//FireOnElement(current);
}
this.current = parent;
}
private void EndTag()
{
_mDepth--;
_mNamespaceStack.Pop();
if (_current == null)
{
// end of doc
OnStreamEnd?.Invoke(this, _mRoot);
// FireOnDocumentEnd();
return;
}
/*
* string name = null;
*
* if ((tok == TOK.EMPTY_ELEMENT_WITH_ATTS) ||
* (tok == TOK.EMPTY_ELEMENT_NO_ATTS))
* name = utf.GetString(buf,
* offset + m_enc.MinBytesPerChar,
* ct.NameEnd - offset -
* m_enc.MinBytesPerChar);
* else
* name = utf.GetString(buf,
* offset + m_enc.MinBytesPerChar*2,
* ct.NameEnd - offset -
* m_enc.MinBytesPerChar*2);
* //*/
// if (current.Name != name)
// throw new Exception("Invalid end tag: " + name +
// " != " + current.Name);
var parent = (Element)_current.Parent;
if (parent == null)
{
DoRaiseOnStreamElement(_current);
//if (OnStreamElement!=null)
// OnStreamElement(this, current);
//FireOnElement(current);
}
_current = parent;
}
private void EndTag(byte[] buf, int offset, ContentToken ct, Tokens tok)
{
// TODO we don't validate Xml right now
// could check here if end tag name equals the start tag name
depth--;
nsStack.Pop();
if (current == null)
{
OnStreamEnd?.Invoke();
return;
}
var parent = current.Parent as XmppXElement;
if (parent == null)
{
OnStreamElement?.Invoke(current);
}
current = parent;
}
public void StreamEnd()
{
OnStreamEnd?.Invoke();
}
