spu_con.h

这是DVD中伺服部分的核心代码

/*****************************************************************************
******************************************************************************
**                                                                          **
**  Copyright (c) 2002 Videon Central, Inc.                                 **
**  All rights reserved.                                                    **
**                                                                          **
**  The computer program contained herein contains proprietary information  **
**  which is the property of Videon Central, Inc.  The program may be used  **
**  and/or copied only with the written permission of Videon Central, Inc.  **
**  or in accordance with the terms and conditions stipulated in the        **
**  agreement/contract under which the programs have been supplied.         **
**                                                                          **
******************************************************************************
*****************************************************************************/
/**
 * @file spu_con.h
 *
 * Subpicture decode and display configuration.
 *
 * $Id: spu_con.h,v 1.6 2006/10/04 21:30:25 rbehe Exp $
 */

#ifndef SPU_CON
#define SPU_CON

#ifdef __cplusplus
extern "C" {
#endif

#define SPU_STREAM_ID           0xBD
#define SPU_SUBSTREAM_ID        0x20
#define SPU_STREAM_AVAILABLE    0x80

#define SPU_DECODE_START        0x01
#define SPU_DISPLAY_OFF         0x04
#define SPU_PAUSE               0x02
#define SPU_DISPLAY_FORCE_OFF   0x08
#define SPU_DISPLAY_HIDDEN      0x10

void spu_set_id(UCHAR id);
UCHAR spu_get_id(void);

void start_spu(void);
void stop_spu(void);
void stop_spu_decode(void);
BOOLEAN spu_is_decode_on(void);

void pause_spu(void);
void unpause_spu(void);

void spu_disp_on(void);
void spu_disp_off(void);
BOOLEAN spu_is_disp_off(void);

void spu_disp_force_off(void);
void spu_disp_force_on(void);

void spu_disp_hide(void);
void spu_disp_unhide(void);

void discard_spu(void);

void get_n_spu(ULONG * ptm_spu);
void get_c_spu(ULONG * ptm_spu);

#ifdef __cplusplus
}
#endif

#endif