restructure codec code

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@1818 d0543943-73ff-0310-b7d9-9358b9ac24b2

src/include/switch_loadable_module.h

@@ -171,10 +171,10 @@ SWITCH_DECLARE(switch_directory_interface_t *) switch_loadable_module_get_direct
   \param arraylen the max size in elements of the array
   \return the number of elements added to the array
  */
-SWITCH_DECLARE(int) switch_loadable_module_get_codecs(switch_memory_pool_t *pool, 
-													  switch_codec_interface_t **array, 
+SWITCH_DECLARE(int) switch_loadable_module_get_codecs(switch_memory_pool_t *pool, const switch_codec_implementation_t **array,
 													  int arraylen);
 
+
 /*!
   \brief Retrieve the list of loaded codecs into an array based on another array showing the sorted order
   \param array the array to populate
@@ -184,10 +184,8 @@ SWITCH_DECLARE(int) switch_loadable_module_get_codecs(switch_memory_pool_t *pool
   \return the number of elements added to the array
   \note this function only considers codecs that are listed in the "prefs" array and ignores the rest.
 */
-SWITCH_DECLARE(int) switch_loadable_module_get_codecs_sorted(switch_codec_interface_t **array,
-															 int arraylen, 
-															 char **prefs, 
-															 int preflen);
+SWITCH_DECLARE(int) switch_loadable_module_get_codecs_sorted(const switch_codec_implementation_t **array,
+															 int arraylen, char **prefs, int preflen);
 
 /*!
   \brief Execute a registered API command

src/include/switch_module_interfaces.h

@@ -444,6 +444,8 @@ struct switch_codec {
 
 /*! \brief A table of settings and callbacks that define a paticular implementation of a codec */
 struct switch_codec_implementation {
+	/*! enumeration defining the type of the codec */
+	const switch_codec_type_t codec_type;
 	/*! the IANA code number */
 	switch_payload_t ianacode;
 	/*! the IANA code name */
@@ -497,8 +499,6 @@ struct switch_codec_implementation {
 struct switch_codec_interface {
 	/*! the name of the interface */
 	const char *interface_name;
-	/*! enumeration defining the type of the codec */
-	const switch_codec_type_t codec_type;
 	/*! a list of codec implementations related to the codec */
 	const switch_codec_implementation_t *implementations;
 	const struct switch_codec_interface *next;