enable_audio_in interface
- Definition：
Int _stdcall enable_audio_in(void* client, int enabled);
- Parameter：
client:[in]，The client object which is form new_client.
enabled:[in]，enable or disable to capture audio and send to camera.1: enable, 0:disable
- Return：
Return ERROR_OK if success，else refer to the definition of error number
- Explain：
enable or disable to capture audio and send to camera. Make sure the camera has connected now.