[addons] add addon audio engine callbacks on new way

This add the currently with libKODI_audioengine.h done part to the
new style.

Due to missing addons who use them was a complete test currently not
possible and must be check in future, from the base is the work
equal to the old.

The old parts becomes in next commit removed.

addons/kodi.binary.global.audioengine/addon.xml.in

@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<addon id="kodi.binary.global.audioengine" version="@ADDON_GLOBAL_VERSION_AUDIOENGINE@" provider-name="Team Kodi">
+  <backwards-compatibility abi="@ADDON_GLOBAL_VERSION_AUDIOENGINE_MIN@"/>
+  <requires>
+    <import addon="xbmc.core" version="0.1.0"/>
+  </requires>
+</addon>

system/addon-manifest.xml

@@ -2,6 +2,7 @@
   <addon>audioencoder.xbmc.builtin.aac</addon>
   <addon>audioencoder.xbmc.builtin.wma</addon>
   <addon>game.controller.default</addon>
+  <addon>kodi.binary.global.audioengine</addon>
   <addon>kodi.binary.global.main</addon>
   <addon>kodi.binary.global.gui</addon>
   <addon>kodi.binary.instance.adsp</addon>

xbmc/addons/AddonDll.cpp

@@ -36,6 +36,9 @@
 #include "utils/Variant.h"
 #include "Util.h"
 
+// Global addon callback handle classes
+#include "addons/interfaces/AudioEngine.h"
+
 namespace ADDON
 {
 
@@ -559,11 +562,16 @@ bool CAddonDll::InitInterface(KODI_HANDLE firstKodiInstance)
   // compatible with other versions and everything with "0"
   // Related parts becomes set from addon headers.
   m_interface.toAddon = (KodiToAddonFuncTable_Addon*) calloc(1, sizeof(KodiToAddonFuncTable_Addon));
+
+  Interface_AudioEngine::Init(&m_interface);
+
   return true;
 }
 
 void CAddonDll::DeInitInterface()
 {
+  Interface_AudioEngine::DeInit(&m_interface);
+
   if (m_interface.libBasePath)
     free((char*)m_interface.libBasePath);
   if (m_interface.toKodi)