Function OH_AudioSessionManager_SelectMediaInputDevice 

pub unsafe extern "C" fn OH_AudioSessionManager_SelectMediaInputDevice(
    audioSessionManager: *mut OH_AudioSessionManager,
    deviceDescriptor: *mut OH_AudioDeviceDescriptor,
) -> OH_AudioCommon_Result

Available on crate features api-12 and api-21 only.

Sets the media input device. This function is not valid for call recording, whose SourceType is SOURCE_TYPE_VOICE_CALL or SOURCE_TYPE_VOICE_COMMUNICATION. In scenarios where there are concurrent recording streams with higher priority, the actual input device used by the application may differ from the selected one. The application can use OH_AudioSessionManager_RegisterCurrentInputDeviceChangeCallback to register a callback to listen for the actual input device.

Arguments

• audioSessionManager - the OH_AudioSessionManager handle returned by OH_AudioManager_GetAudioSessionManager.

• deviceDescriptor - The target device. The available device must be in the array returned by OH_AudioSessionManager_GetAvailableDevices. When the nullptr is passed, system will clear the last selection.

Returns

• [#AUDIOCOMMON_RESULT_SUCCESS] if execution succeeds. or [#AUDIOCOMMON_RESULT_ERROR_INVALID_PARAM] if parameter validation fails. or [#AUDIOCOMMON_RESULT_ERROR_SYSTEM] Audio client call audio service error, System error.

Available since API-level: 21