handle | Object handle |
vol | Target volume |
fade_time | Time to reach target volume |
SDE_ERR_NO_INIT | The Sound Library has not been initialized | |
SDE_ERR_HANDLE_NULL | The handle is NULL | |
SDE_ERR_HOST_CMD_BUF_NO_ENOUGH | No more host commands can be accepted |
The range of vol, which specifies volume, is -007FH (min) to 0000H (mid) to 007FH (max).
Units of fade_time, which specifies the time necessary to reach volume, are milliseconds, from 0000H (fastest) to 7FFFH (slowest).