public static extern int zego_express_fetch_custom_audio_render_pcm_data(byte[] data, uint data_length, zego_audio_frame_param param);
 public static extern int zego_express_send_custom_audio_capture_aac_data(byte[] data, uint data_length, uint config_length, ulong reference_time_millisecond, zego_audio_frame_param param, ZegoPublishChannel channel);
 public static extern int zego_express_send_custom_audio_capture_pcm_data(byte[] data, uint data_length, zego_audio_frame_param param, ZegoPublishChannel channel);
 public static extern int zego_express_enable_audio_data_callback([System.Runtime.InteropServices.MarshalAsAttribute(System.Runtime.InteropServices.UnmanagedType.I1)] bool enable, uint callback_bit_mask, zego_audio_frame_param param);