fmanager.c

车载电子影音系统dvd播放系统原程序代码

// [8-4 Record the type of moving cursor across boundary.
BYTE    __bFMAcrossDirType;

// [9] Keep the TOC of each file
// index 0~n store the starting sector for each file
// [G-3bytes]
//PENTRY_RANGE    _pFMFileTOC;

// [10] Store the file number of each directory
//DVD_051Micky, reduce MP3 SRAM(sharing _pFMDirLoc)
// [G-3bytes]
//static  WORD    *_wFMFilesOfDir;
WORD    *__pwFMFilesOfDir;

// [11] Total directories/ files within the playable CDROM
// [G-4bytes]
//WORD    __wFMTotalDirs;
BYTE    __bFMTotalDirs;
WORD    __wFMTotalFiles;

// [12] For MP3 hang feature usage
// [G-8bytes]
// LLY2.80, It's seem un-necessary to give the initial value
// And, only need to initial it while starting to play a new item
DWORD   dwPreTime; //=0;
DWORD   dwPreRemain; //=0;

//Kevin1.22, WMA sample count
#ifdef SUPPORT_WMA
DWORD   dwSample;
DWORD   dwPreSample;
#endif // 

// [13] Temp variables
// LLY2.80, re-adjust the temp variables
// [G-8bytes]
DWORD   _dwFMTemp; //Kevin1.08
WORD    _wFMTemp;
WORD    _wFMTemp1;
BYTE    _bFMTemp;
BYTE    _bFMTemp1;
BYTE    _bFMTemp2;
BYTE    _bFMTemp3;
BYTE    _bFMIdx;
//WORD    *_pwFMPtr;

// [14] Keep JPG status, ex rotate/ flip/ playable -- LLY.274p-2
// [G-7bytes]
BYTE    __bFMPlayable;
BYTE    __bFMJPGStatus;

// [15] Keep trigger mechanism stage
// [G-1bytes]
BYTE    __bFMStage;
// wyc1.24, some variable for JPG re-boot recover.
BYTE    __bFMJPGNext;
DWORD   __dwFMJPGNextGap;
BYTE    __bShowFMWaitMessage;
extern  WORD    __wFMJPGPlayCount;
extern  BYTE    __bDoActionInStage;

// [16] Keep JPEG active frame -- LLY.274p-2
// [within 256 BYTE interanl data space]
BIT     __btActiveFrame;

// [17] Keep the time while JPEG display ok
// [G-4bytes]
DWORD   __dwTimeJPEGDisplay;

// [18] Keep JPEG decoding mode : 1st decode or re-decode -- LLY.276
// [G-1byte]
//BYTE    __bDecodeMode; //--CoCo1.21, remove it because FM doesn't need to judge the JPEG decoding mode in CT908

// [19] Keep selection/ active cursor information -- LLY2.80
// [G-6bytes]
// LLY2.81, Support selection & active cursor together if enable this define.
// Otherwise, let selection same as active cursor
CURSOR_INFO __FMActiveCursor;
CURSOR_INFO __FMSelectCursor;
// wyc1.10, new variables to record the next position of select cursor when moving UP / DOWN / NEXT / PREV and across directories.
WORD    __wNewCursorIndex;

// [20] Keep directory tree information -- LLY2.81
// [G-3bytes]
PTREE_INFO  __pFMDirTree;

// [21] Keep the parent's ID of current active directory -- LLY0.83b-2
// [G-1bytes]
BYTE    __bFMParentID;

// [22] Keep the info. while exist "UP_DIR" or not -- LLY0.83b-2
// [G-1byte]
BYTE    __bFMExistUpDir;

// [23] Keep control button information -- LLY0.83b-2
// [G-6bytes]
#ifdef  SUPPORT_FM_BUTTONS //CoCo1.21, for 4M flash
CTL_BUTTON  __FMCtlBTNList[MAX_CTL_BTN_NO];
#endif //SUPPORT_FM_BUTTONS

// [24] Keep program item content, ex filename, only for CT908 UI reference -- LLY0.83b
// [G-3bytes]
PFILENAMEINFO    __pProgContent;

// wyc0.87, a pointer for allocate memory from __bPool for dir files attribute.
BYTE    * __pbDirExtAttr;
// [25] Keep JPEG decoding effect factor index -- LLY0.84
// Notice: it's different from __bJPEGEffect
// __bJPEGEffect: keep real desired JPEG decoding effect mode
// __bFMEffectIdx: keep index for accessing JPEG effect array
// Initial this value as zero within FM_Initial()
// So, the JPEG decoding effect always reset to zero while open/ close
// [G-1byte]
BYTE    __bFMEffectIdx;

// wyc0.90
// [26] Record the current playing files, or the desired playing files. Another record the status of can last picture do effect ?
BYTE    __wFMPlayItem;
BYTE    __bFMLastPicEffect;
// wyc1.00, used for supporting parsing more files in one directory.
BYTE    __bDirParseIdx, __bDumpPage;

BYTE    __bFMJPGShowTime;
//WORD    __wFMDirCursorSaved; //--CoCo1.21, __wFMDirCursorSaved is not used in the program

// wyc1.10, remove the define because CoCo don't cover this variable in define in OSDFM.C. It will cause compiler error when not define SUPPORT_FM_UI_ON_OFF.
BYTE    __bFMHide;

// wyc1.25, add pointer to use FILE_RECORD in SRAM
PFILE_RECORD    __pFMFileRecord;
PFILE_RECORD    __pFMTOCRecord;
    
#endif  // #ifndef NO_MP3

///////////////////////////////////////////////////////////
// ****** Extern Other Module's Variable Area ******
extern  BIT     __btInputProgram;
extern  DWORD   __dwPreGetTime;  // VCD_071
// DVD_161Micky, support MP3 resume can play from track begin
extern  DWORD   __dwResumeTime;
extern  BYTE   __bResetRecover; // LLY.275a  
#if defined(SUPPORT_JPEG_C3) || defined(SUPPORT_MP3_C3)
extern  BYTE    __bC3Retry;
#endif /// 
///////////////////////////////////////////////////////////

#ifdef  SUPPORT_FM_BUTTONS //CoCo1.21, for 4M flash
/////////////////////////////////////////////////////////////
// ***** Constant Code Define Area *****
// [1] Define control button list info.
// Notice: must add "CTL_BTN_END" at last item if total number < 6
BYTE code aNormal_CtlBTNList[MAX_CTL_BTN_NO]= // Control button list for normal mode
{
CTL_BTN_PREV, CTL_BTN_NEXT, CTL_BTN_PLAY,
#ifdef SUPPORT_FM_PROGRAM
CTL_BTN_PROG, 
#endif
CTL_BTN_THUMB, CTL_BTN_END
};

BYTE code aProg_CtlBTNList[MAX_CTL_BTN_NO]= // Control button list for program mode
{
CTL_BTN_PREV, CTL_BTN_NEXT, CTL_BTN_PLAY,
CTL_BTN_RETURN, 
#ifdef SUPPORT_FM_PROGRAM_LIST
CTL_BTN_PROG_LIST, 
CTL_BTN_THUMB
#else
CTL_BTN_THUMB,
CTL_BTN_END
#endif
};

BYTE code aProgList_CtlBTNList[MAX_CTL_BTN_NO]= // Control button list for program list mode
{
CTL_BTN_PREV, CTL_BTN_NEXT, CTL_BTN_PLAY,
CTL_BTN_CLEAR_ALL, CTL_BTN_RETURN, CTL_BTN_END
};
#endif //SUPPORT_FM_BUTTONS

// [2] Define desired JPEG decoding effect list array  -- LLY0.84
// Notice: user can arrange his favorite tiggle sequence and max number
#define MAX_JPEG_EFFECT_NO          12//13
BYTE code aJPEGEffect_List[MAX_JPEG_EFFECT_NO]=
{
HAL_JPEG_EFFECT_NO_EFFECT,
HAL_JPEG_EFFECT_COVER_UP,
HAL_JPEG_EFFECT_COVER_DOWN,
HAL_JPEG_EFFECT_UNCOVER_UP,
HAL_JPEG_EFFECT_UNCOVER_DOWN,
HAL_JPEG_EFFECT_SPLIT_HORIZONTAL_IN,
HAL_JPEG_EFFECT_SPLIT_HORIZONTAL_OUT,
HAL_JPEG_EFFECT_WIPE_UP,
HAL_JPEG_EFFECT_WIPE_DOWN,
HAL_JPEG_EFFECT_BLINDS_HORIZONTAL_UP,
HAL_JPEG_EFFECT_BLINDS_HORIZONTAL_DOWN,
HAL_JPEG_EFFECT_FADE_THROUGH_BLACK,
//HAL_JPEG_EFFECT_AUTO_PAN,
};



//  *********************************************************************
//  Function    :   FM_Trigger
//  Description :   Check PlayEnd if player is playing...
//  Arguments   :   NONE
//  Return      :   TRUE, the stage finish ok
//                  FALSE, the stage fail
//  Side Effect :
//  *********************************************************************
// LLY.274p-2, re-adjust the procedure to handle all playable CDROM title playing
// [1] MP3 bitstream
//  . Error Concealment
//  . Playing End checking
// [2] JPG bitstream
//  . Pre-decoding stage
//  . Decoding stage
//  . Polling INT_IFSC stage
//  . Display stage
//  . Hang issue
//BYTE FM_Trigger(void)
void FM_Trigger(void) //CoCo1.21, modify the function prototype.
{
    static    DWORD   dwTimeStamp;

    // LLY.281, nothing need to do while
    // [1] non-CDROM title, or
    // [2] F/W is non-playing, or
    // [3] non-Thumbnail mode
    // wyc0.87, in pause mode we still need to make it enter FM_Trigger to display picture
    // wyc0.87, modicy code to fix MP3 / JPG playing -> stop will auto issuing KEY_NEXT problem.
    if (__bThumbnailMode)
        //return ERR_ERROR;
		return; //CoCo1.21
    // wyc1.24, when issue JPG reset stage 1, then need to issue KEY_NEXT to force it continue to play.
    if (((__bFMJPGNext>=1) && (__bFMJPGNext<=3)) && (__bAttrPlay == ATTR_JPG))
    {
        if ((UTL_GetSysTimer() - __dwFMJPGNextGap) > (COUNT_2_SEC*__bFMJPGNext))
        {
            // LLY2.37p, it's un-necessary to assign __bKeySource,
            // Because, CC module will handle it while processing input key
            //__bKeySource = KEY_FROM_ISR;
            __bFMStage = STAGE_NEXT_ITEM;
            __bFMJPGNext++;
            __dwFMJPGNextGap = UTL_GetSysTimer();
        }
    }     

	/* --CoCo1.21
    if( !(__wDiscType & CDROM_M1) || (!__btPlaying) || (__btPause) || __bThumbnailMode )
    {
        if ((!__bThumbnailMode) && (__btPause) && (__bAttrPlay == ATTR_JPG))
            ;
        else
            //return ERR_ERROR;
			return;
    }
	*/

	//CoCo1.21, replace the above code
    if( !(__wDiscType & CDROM_M1) || (!__btPlaying) || __btPause)
    {
        if (__btPause && (__bAttrPlay == ATTR_JPG))
            ;
        else
            //return ERR_ERROR;
			return;
    }

    //CoCo1.10, flash the icon of the playing file.
    if ((__bFMMenuID != FM_MENU_NONE)
#ifdef SUPPORT_SIMPLE_FM_PROGRAM
        && (!__btInputProgram)
#endif //SUPPORT_SIMPLE_FM_PROGRAM
        )
        OSDFM_Update(OSDFM_MSG_FLASH_PLAYING_FILE);

    // Enter stage loop
    switch(__bFMStage)
    {
    // LLY.275a, prepare some info for FMANAGER module usage
    case    STAGE_PREPAREINFO:

#ifdef JPG_DEBUG_INFO
		_printf("\n Parse header"); //CoCo1.22a, for JPEG debug

		_FM_DebugInfo(); //CoCo1.22a, for JPEG debug
#endif //JPG_DEBUG_INFO

        __bFMStage=STAGE_DECODE;

        // LLY.276p-4, keep the time for parseing header time-out checking
        __dwPreGetTime=UTL_GetSysTimer();

        // LLY2.80, give the initial value while start to play a new item
        // only use for JPG/ MP3 hang checking
        dwPreTime=0xFFFFFFFF; // last time for checking audio remainder
        // LLY0.85-2, give the initial value as large value
        // last audio remainder for MP3 track
        // RISC/ DSP decoding status for JPEG track
        dwPreRemain=0xFFFFFFFF;
        
#ifdef SUPPORT_WMA //Kevin1.22, add
        dwSample = 0xFFFFFFFF; 
        dwPreSample = 0xFFFFFFFF;
#endif //         

        if(__bAttrPlay==ATTR_JPG)
        {
            // LLY0.83b-2, specify display width/ height for RISC on CT908 mode
            // Because, there are different setting between CT908 slide show & pre-view mode
            // So, it can't set within UTL_SetPlayItemConfigure()
            // wyc1.22, use define for user can change it more easily.

            //CoCo2.37, Tune the display region for different JPEG buffer cases.
            if (__bDVDROM)
            {
                __wHStart = (HAL_DISPLAY_DVD_JPEG_WIDTH - FM_DVD_JPEG_FRAME_WIDTH) >> 1;
                __wVStart = (HAL_DISPLAY_DVD_JPEG_HEIGHT - FM_DVD_JPEG_FRAME_HEIGHT) >> 1;
                __wWidth = FM_DVD_JPEG_FRAME_WIDTH;
                __wHeight = FM_DVD_JPEG_FRAME_HEIGHT;
            }
            else
            {
                __wHStart = (HAL_DISPLAY_CD_JPEG_WIDTH - FM_CD_JPEG_FRAME_WIDTH) >> 1;
                __wVStart = (HAL_DISPLAY_CD_JPEG_HEIGHT - FM_CD_JPEG_FRAME_HEIGHT) >> 1;
                __wWidth = FM_CD_JPEG_FRAME_WIDTH;
                __wHeight = FM_CD_JPEG_FRAME_HEIGHT;
            }