pg_api.h

这是DVD中伺服部分的核心代码

/*****************************************************************************
******************************************************************************
**                                                                          **
**  Copyright (c) 2005-2006 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 pg_api.h
 *
 * $Revision: 1.3 $ 
 *
 * extern function calls into the PG module
 *
 */

#ifndef PG_API
#define PG_API

#ifdef __cplusplus
extern "C" {
#endif

#include <directfb.h>
#include "vcitypes.h"

#define PG_HANDLE                       PVOID
#define PG_STATUS                       ULONG
#define PG_STATUS_SUCCESS               0x00070000
#define PG_STATUS_ERROR                 0x00070001
#define PG_STATUS_NOT_INITIALIZED       0x00070002
#define PG_STATUS_ALREADY_INITIALIZED   0x00070003
#define PG_STATUS_ALREADY_RUNNING       0x00070004
#define PG_STATUS_ALREADY_STOPPED       0x00070005
#define PG_STATUS_NOT_RUNNING           0x00070006
#define PG_STATUS_NOT_STOPPED           0x00070007
#define PG_STATUS_INVALID_HANDLE        0x00070008

/* enable ability to turn on profiling, disable this 
for releases */
#define ALLOW_PG_PROFILING

typedef enum tag_PG_STATE
{
    PG_STATE_UNINITIALIZED = 0,
    PG_STATE_INITIALIZED,
    PG_STATE_RUNNING,
    PG_STATE_STOPPED
} PG_STATE;

typedef enum tag_PE_SHOW_HIDE
{
    PG_SHOW_GRAPHICS,
    PG_HIDE_GRAPHICS,
    PG_MAX
} PG_SHOW_HIDE;

/* External module calls */
PG_STATUS PGCreate(PG_HANDLE *handle, int screen_width, int screen_height,
                   IDirectFB *dfb, IDirectFBDisplayLayer *disp_layer);
PG_STATUS PGDelete(PG_HANDLE handle);
PG_STATE  PGGetState(PG_HANDLE handle);
PG_STATUS PGRun(PG_HANDLE handle);
PG_STATUS PGStop(PG_HANDLE handle);
PG_STATUS PGAddData(PG_HANDLE handle, BYTE *Buffer, ULONG Size);
PG_STATUS PGUpdateTimeStamp(PG_HANDLE handle, ULONG PTS, ULONG SCR);
PG_STATUS PGShowHide(PG_HANDLE handle, PG_SHOW_HIDE value);
PG_STATUS PGSetColorSpace(PG_HANDLE handle, int ColorSpace);

#ifdef __cplusplus
}
#endif

#endif /* PG_API */