Fixed wxMemoryOutputStream (it wasn't working at all)

Fixed wxStreamBuffer to support features of wxMemoryOutputStream
wxMMedia2 updates (various fixes)


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@4406 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

utils/wxMMedia2/lib/sndulaw.cpp

@@ -109,6 +109,11 @@ wxSoundStream& wxSoundStreamUlaw::Write(const void *buffer, wxUint32 len)
   return *m_router;
 }
 
+wxUint32 wxSoundStreamUlaw::GetBestSize() const
+{
+  return m_sndio->GetBestSize() / 2;
+}
+
 bool wxSoundStreamUlaw::SetSoundFormat(const wxSoundFormatBase& format)
 {
   if (format.GetType() != wxSOUND_ULAW) {