This function tells what type of surround-sound decoding the system supports.
DWORD AAM_GetSSDCaps( DWORD *pdwCap );
AAM_SSD_AC3 |
AAM_SSD_DOLBY |
AAM_SSD_MSV1 |
AAM_SSD_PROLOGIC |
AAM_SSD_THX |
Zero indicates success. AAM_ERR_NOTSUPPORTED indicates that the device does not have surround sound capability.