hw_init.c

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 hw_init.c
 *
 * $Id: hw_init.c,v 1.94 2006/11/09 18:19:52 rbehe Exp $
 */

#include "vdvd_types.h"
#include "osapi.h"
#include "pe_app.h"
#include "nav_task.h"
#include "pgc_play.h"
#include "dvd_prm.h"
#include "dvd_pgci.h"
#include "init.h"
#include "usrapi.h"
#include "spu_con.h"
#include "mpeg_ids.h"
#include "dbgprint.h"

#if ((KARAOKE_TYPE != KARAOKE_1) && (KARAOKE_TYPE != NO_KARAOKE))
#include "karaoke.h"
#endif
#ifdef DMALLOC
#include "dmalloc.h"
#endif

#define DEBUG_HW_INIT DBG_ERROR
#define DBG_ON(x) (DEBUG_HW_INIT >= x)

UBYTE program_transfer   = 0;
UBYTE temp_video_mode[2] = {0};

extern PE_HANDLE tPE;
extern ULONG  highlight_expire;
extern ULONG  cell_still_expire;
extern ULONG  button_sl_expire;
extern ULONG  pgc_still_expire;
extern USHORT vobu_button_hl;
extern UBYTE  DISK_TYPE;
extern UBYTE  video_mode[2];
extern UBYTE  audio_mode[2];
extern INT LX, LY, P_V_SIZE, P_H_SIZE;
extern UBYTE  WAIT_NEXT_CMD;
extern UBYTE  modify_video_mode;
extern PE_ICONFIGURE_ZOOM_PARAMETERS peZoomRestoreInfo;
extern UBYTE zoom_on;
extern UBYTE TV_Type_Changed;
extern USHORT num_of_times;

/************************************************************************/
/************************************************************************/
/**                                                                    **/
/************************************************************************/
/************************************************************************/
UBYTE get_program_transfer( void )
{
//    DbgPrint(("get_program_transfer() stub\n"));
    return (program_transfer);
}

/************************************************************************/
/************************************************************************/
/**                                                                    **/
/************************************************************************/
/************************************************************************/
void set_program_transfer(UBYTE value)
{
    program_transfer = value;
}

/************************************************************************/
/************************************************************************/
/**                                                                    **/
/************************************************************************/
/************************************************************************/
void pause_scr(void)
{
//    DbgPrint(("pause_scr STUBBED\n"));
}

/************************************************************************/
/************************************************************************/
/**                                                                    **/
/************************************************************************/
/************************************************************************/
void start_scr(void)
{
//    DbgPrint(("start_scr STUBBED\n"));
}

BOOLEAN isVideoMuted(void)
{
    PE_ICONFIGURE_VIDEO_MUTE mute;

    mute = VIDEO_MUTE_OFF;

    PEiConfigureGetVideoMute(tPE, &mute);

    return ( (mute == VIDEO_MUTE_OFF) ? FALSE : TRUE );
}

/************************************************************************/
/************************************************************************/
/**                                                                    **/
/**                procedure change_video_mode()                       **/
/**                                                                    **/
/************************************************************************/
/************************************************************************/
void change_video_mode( void )
{
    UBYTE sysparam_value[2];
    UBYTE movie16_9;    /* 16:9 movie */
    UBYTE ps_mode;      /* pan & scan mode */
    UBYTE lbx_mode;     /* letterbox mode */
    UBYTE lbx_ps_mode;  /* both pan & scan and letterbox */
    UBYTE tv_mode_lbx;  /* TV 4:3 letterbox */
    UBYTE tv_mode_ps;   /* TV 4:3 pan & scan */

    video_mode[0] = temp_video_mode[0];
    video_mode[1] = temp_video_mode[1];

    sysparam_value[0] = (get_sprm(SPRM_P_CFG_VID) & 0xff00) >> 8;

    if (zoom_on)
    {
        zoom_on = FALSE;
        LX = P_H_SIZE / 4;
        LY = P_V_SIZE / 4;
        PEiConfigureZoom(tPE, &peZoomRestoreInfo);
    }

    /* Set display mode based on vertical size */
    if ((video_mode[1] & PICTURE_RESOLUTION) != RESOLUTION_3)
    {
        ULONG message[4];

        movie16_9   = ((video_mode[0] & ASPECT_RATIO_MASK) == RATIO_16_9) ? 1 : 0;
        ps_mode     = ((video_mode[0] & DISPLAY_MODE) == PAN_SCAN_ONLY) ? 1 : 0;
        lbx_mode    = ((video_mode[0] & DISPLAY_MODE) == LETTERBOX_ONLY) ? 1 : 0;
        lbx_ps_mode = ((video_mode[0] & DISPLAY_MODE) == PAN_SCAN_AND_LETTERBOX) ? 1 : 0;
        tv_mode_lbx = ((sysparam_value[0] & 0x0f) == 0x02) ? 1 : 0;
        tv_mode_ps  = ((sysparam_value[0] & 0x0f) == 0x01) ? 1 : 0;

        DBGPRINT(DBG_ON(DBG_TRACE), ("%s: movie16_9   = %d.\n", __FUNCTION__, movie16_9));
        DBGPRINT(DBG_ON(DBG_TRACE), ("%s: ps_mode     = %d.\n", __FUNCTION__, ps_mode));
        DBGPRINT(DBG_ON(DBG_TRACE), ("%s: lbx_mode    = %d.\n", __FUNCTION__, lbx_mode));
        DBGPRINT(DBG_ON(DBG_TRACE), ("%s: lbx_ps_mode = %d.\n", __FUNCTION__, lbx_ps_mode));
        DBGPRINT(DBG_ON(DBG_TRACE), ("%s: tv_mode_lbx = %d.\n", __FUNCTION__, tv_mode_lbx));
        DBGPRINT(DBG_ON(DBG_TRACE), ("%s: tv_mode_ps  = %d.\n", __FUNCTION__, tv_mode_ps));

        DBGPRINT(DBG_ON(DBG_TRACE), ("%s: src pic lbx = %d.\n",
            __FUNCTION__, (((video_mode[0] & PICTURE_LETTERBOX) == PICTURE_LETTERBOX) ? 1 : 0) ));

        /* 720x480 and 704x480 */
        if ( (movie16_9 && lbx_mode && (tv_mode_lbx || tv_mode_ps)) || (movie16_9 && lbx_ps_mode && tv_mode_lbx))
        {
            DBGPRINT(DBG_ON(DBG_TRACE), ("change_video_mode() -- ASPECT_RATIO_4X3_LETTERBOX\n"));

            message[1] = VDVD_ASPECT_RATIO_4X3_LETTERBOX;

            /* Setup letterbox display mode */
            if (PEiConfigureSetAspectRatio(tPE, ASPECT_RATIO_4X3_LETTERBOX) != PE_SUCCESS)
            {
                DbgPrint(("PEiConfigureSetAspectRatio() -- FAILED\n"));
            }
        }
        else
        {
            if ( (movie16_9 && ps_mode && (tv_mode_ps || tv_mode_lbx)) || (movie16_9 && lbx_ps_mode && tv_mode_ps) )
            {
                DBGPRINT(DBG_ON(DBG_TRACE), ("change_video_mode() -- ASPECT_RATIO_4X3_PANSCAN\n"));

                message[1] = VDVD_ASPECT_RATIO_4X3_PANSCAN;

                /* Setup panscan display mode */
                if (PEiConfigureSetAspectRatio(tPE, ASPECT_RATIO_4X3_PANSCAN) != PE_SUCCESS)
                {
                    DbgPrint(("PEiConfigureSetAspectRatio() -- FAILED\n"));
                }
            }
            else
            {
                DBGPRINT(DBG_ON(DBG_TRACE), ("change_video_mode() -- ASPECT_RATIO_16X9\n"));

                message[1] = VDVD_ASPECT_RATIO_16X9;

                /* Setup panscan display mode */
                if (PEiConfigureSetAspectRatio(tPE, ASPECT_RATIO_16X9) != PE_SUCCESS)
                {
                    DbgPrint(("PEiConfigureSetAspectRatio() -- FAILED\n"));
                }
            }
        }

        /* send event to PSL */
        message[0] = VDVD_STATUS_DISPLAY_ASPECT_RATIO_UPDATE;
        UsrEventHandler(message);
    }
}