static int CreateDSBuffer ( aout_instance_t *, int, int, int, int, int, bool );
static int CreateDSBufferPCM ( aout_instance_t *, int*, int, int, int, bool );
static void DestroyDSBuffer ( aout_instance_t * );
static int CreateDSBuffer ( aout_instance_t *, int, int, int, int, int, bool );
static int CreateDSBufferPCM ( aout_instance_t *, int*, int, int, int, bool );
static void DestroyDSBuffer ( aout_instance_t * );