add return values to encdec-audio (towards ticket:81)
add return values to encdec-audio (towards ticket:81)


git-svn-id: cffa15b480e6f0d86abcf9d30fc65d52a4d7b9f9@1296 8158c8cd-e7e1-0310-9fa4-c5954c97daef

kfish/libfishsound,kfish/libfishsound