PARA_ERROR(AO_APPEND_OPTION, "ao append option: memory allocation failure"), \
PARA_ERROR(AO_OPEN_LIVE, "ao: could not open audio device"), \
PARA_ERROR(AO_FILE_NOT_SUPP, "ao: file io drivers not supported"), \
PARA_ERROR(AO_APPEND_OPTION, "ao append option: memory allocation failure"), \
PARA_ERROR(AO_OPEN_LIVE, "ao: could not open audio device"), \
PARA_ERROR(AO_FILE_NOT_SUPP, "ao: file io drivers not supported"), \