PARA_ERROR(STREAM_FORMAT, "could not set stream format"), \
PARA_ERROR(ADD_CALLBACK, "can not add callback"), \
PARA_ERROR(READ_STDIN, "failed to read from stdin"), \
PARA_ERROR(OPEN_COMP, "OpenAComponent() error"), \
PARA_ERROR(UNIT_INIT, "AudioUnitInitialize() error"), \
PARA_ERROR(STREAM_FORMAT, "could not set stream format"), \
PARA_ERROR(ADD_CALLBACK, "can not add callback"), \
PARA_ERROR(READ_STDIN, "failed to read from stdin"), \
PARA_ERROR(OPEN_COMP, "OpenAComponent() error"), \
PARA_ERROR(UNIT_INIT, "AudioUnitInitialize() error"), \