Structure about audio file parameters of main controller.
struct{ DWORD dwSize; DWORD dwFileSize; DWORD dwAudioID; BYTE byRes[256]; }NET_DVR_RIGHT_CONTROLLER_AUDIO_PARAM,*LPNET_DVR_RIGHT_CONTROLLER_AUDIO_PARAM;
Structure size.
File size, unit: byte. This member is valid only when uploading audio file, and it is invalid when downloading audio file.
Audio file ID. 0xffffffff indicates uploading all audio files. Currently, only uploading all audio files is supported, and uploading a single file by ID is not supported.
Reserved.
The audio file is uploaded from the client to the device.