Implemented Read in the PCM converter

Changed size_t to wxUint32
Added support for G72X
WAV format multi-codec handling


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@3508 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

utils/wxMMedia2/lib/sndaiff.cpp

@@ -126,12 +126,12 @@ bool wxSoundAiff::FinishRecording()
   return FALSE;
 }
 
-size_t wxSoundAiff::GetData(void *buffer, size_t len)
+wxUint32 wxSoundAiff::GetData(void *buffer, wxUint32 len)
 {
   return m_input->Read(buffer, len).LastRead();
 }
 
-size_t wxSoundAiff::PutData(const void *buffer, size_t len)
+wxUint32 wxSoundAiff::PutData(const void *buffer, wxUint32 len)
 {
   return m_output->Write(buffer, len).LastWrite();
 }