Function OH_AudioSessionManager_GetDefaultOutputDevice 

pub unsafe extern "C" fn OH_AudioSessionManager_GetDefaultOutputDevice(
    audioSessionManager: *mut OH_AudioSessionManager,
    deviceType: *mut OH_AudioDevice_Type,
) -> OH_AudioCommon_Result

Available on crate features api-12 and api-20 only.

Gets the default output device.

Arguments

• audioSessionManager - the [#OH_AudioSessionManager] returned by the [#OH_AudioManager_GetAudioSessionManager]

• deviceType - The target device.The available deviceTypes are: EARPIECE: Built-in earpiece SPEAKER: Built-in speaker DEFAULT: System default output device

Returns

• [#AUDIOCOMMON_RESULT_SUCCESS] if execution succeeds or [#AUDIOCOMMON_RESULT_ERROR_INVALID_PARAM] if parameter validation fails or [#AUDIOCOMMON_RESULT_ERROR_ILLEGAL_STATE] if system illegal state

Available since API-level: 20