portaudio::pa::host

Functions

api_device_index_to_device_indexapi_type_id_to_host_api_indexget_api_countget_api_infoget_default_api

Function portaudio::pa::host::get_api_count [-]  [+] [src]

pub fn get_api_count() -> PaHostApiIndex

Retrieve the number of available host APIs. Even if a host API is available it may have no devices available.

Return a non-negative value indicating the number of available host APIs or, a PaErrorCode (which are always negative) if PortAudio is not initialized or an error is encountered.