linear.c

车载电子影音系统dvd播放系统原程序代码

#else
                W99AV_ReadInfo(W99AV_INFO_AUDIO_REMAIN, &__dwTemp);
#endif
        // wyc.172-CDDA, remove follow code to save time for playing CDDA medley title.
#ifndef SUPPORT_PLAY_MEDLEYCDDA
                if (__dwTemp <= 0x30)
#else
                if (__dwTemp <= 10000)
#endif //
                    break;
            }
            UTL_OutputShowTime();
        }
        //CHIPS_OpenAudio (FALSE);
        // wyc.172-CDDA, if play CDDA medley title we not mute the audio when across tracks.
//LJY1.21, LJY1.11, let VCD can play till track end.        
#ifdef SUPPORT_ANTISHOCK
        else
        {
            //LJY1.23, LJY1.11b, clear skipping threshold to let it can perform FAST cross track because RISC will keep Vrem around the skipping threshold for FAST cmd..
            W99AV_WriteDRAMData(W99AV_DRAM_FAST_VIDEO_THRESHOLD, 0); 
            W99AV_WriteDM(W99AV_DM_AUDIO_SKIP_THRESHOLD_REFERENCED, 0x200); 
            //LJY1.11d, ~0.5sec tolerance for track change.
        //LJY1.24a, using UTL_EstimateBufferTime() for code refinement.        
            __dwTemp = UTL_EstimateBufferTime();            
#if 0 //LJY1.24a, remove it, using UTL_EstimateBufferTime() for code refinement.             
            W99AV_ReadInfo ( W99AV_INFO_VIDEO_REMAIN , &__dwTemp );
            W99AV_ReadInfo (W99AV_INFO_AUDIO_REMAIN, &_dwMONITORTemp) ;               
            __dwTemp += _dwMONITORTemp;
            __dwTemp /= SECTOR_588; 
#endif            
            if((__dwTimeNow - __dwTemp) < (__dwTimeEnd- __wTemp))
                return ERR_ERROR;
        }
#endif
#ifdef SUPPORT_PLAY_MEDLEYCDDA        
        if (!(__wDiscType & BOOK_CDDA))
#endif //            
            CHIPS_OpenAudio (FALSE);
        __dwTimeNow= __dwTimeBegin;
        __btPlaying= FALSE;
        __btPlayEnd= TRUE;

        // PlayEnd, must check repeat AB
        //#if 1 to disable REPEATAB cross track
    }
    else if (__btIntroMode)
    {
        if ( __dwTimeNow > (__dwTimeBegin + __dwIntroPlayTime) )
        {
        __dwTimeNow= __dwTimeBegin;
        __btPlaying= FALSE;
        __btPlayEnd= TRUE;
        CHIPS_OpenAudio (FALSE);
        }
    }

    if ( ! __btPlayEnd )
        return ERR_ERROR;

    // STEP mode can't allow from the start of playing track
    if  ( (__bModeCmd == KEY_STEP) || (__bModeCmd==KEY_FREEZE) )
    {
        __bModeCmd=KEY_PLAY;
        //__btVideoFreeze=FALSE;
    }


    __dwIER= 0;       // suppose not need IRQ

// f/w 0.45
// modify for use by LINEAR_ChangeTrack call

    // wyc.172-CDDA, we add a parameter for CDDA playing, when 1 to represent playing across 
    // tracks automatically. 0 means press keys to across tracks.
    LINEAR_ChangeTrack(KEY_NEXT, 1);

    return ERR_NOERR;
}

//  *********************************************************************
//  Function    :   LINEAR_PlayItem
//  Description :   Will get the range of __wPlayItem, and start play
//  Arguments   :   None
//
//  Return      :   None
//  Change      :   __wPlayItem
//  Side Effect :
//  *********************************************************************
void LINEAR_PlayItem()
{
    // Pause->Playing
    // do not re-initial the play range
    // just resume from the current time(__dwTimeNow)

    if ( __btPause )
    {
        UTL_PlayItem (__wPlayItem, __dwTimeNow );
    }
    else    // Stop->Playing
    {
        // Micky1.07-2, DVD only need the action that UTL_PlayItem.
        // DVD PGM->play->next(auto or user key)-> will call LINEAR_ChangeTrack-> NV_TitlePlay
        // CC_KeyCommand->Get_PlayRange-> LINEAR_PlayItem-> only need do reset+command.
        if (__wDiscType & BOOK_DVD)
        {
            // Micky1.10, fix stop->program-> play, always play TT/CC 1/1.
            // For DVD, RESUME-> PLAY, use common path
            // For VCD, RESUME-> KEY_GOTOTIME_PLAY
            // PGM + RESUME, RESUME should be high priority
            if ( __bModeCELLTimeSearch != CELL_TIME_BEGIN )
            {
                UTL_PlayItem (__wPlayItem, 0 );
                return;
            }
        }
        // 1. for PROGRAM mode,
        // first must get Program entry, and mapping to __wPlayItem
#ifdef  PROGRAM1
        // Must send program index for next track
        if ( __btPlayingProgram )
#else
        if ( __btProgram )
#endif
        {
            // wyc.pro __wProgramData[0] -> __bProgramMaxEntry
            if ( __bProgramMaxEntry )    // Program has entries
            {
                // wyc.pro to let DVD can run program playing from stop mode
                if (__wDiscType & BOOK_DVD)
                {
                    __bTemp = _LinearEntryOperation(LINEAR_FIND_ENTRY,1);
                    if (__bTemp == 1)
                    {
//Kevin0.86, __bTitle/__wChapter for font mode / GDI mode program UI                         
#ifndef CT908_UI 
                        __wTemp= __wProgramData[__bProgramPlayingIndex];
                        __bTitle = HIBYTE(__wTemp);
                        __wChapter = (WORD)LOBYTE(__wTemp);
#else
        			__bTitle = __ProgIdxList[__bProgramPlayingIndex].bMainIndex;					
        			__wChapter = __ProgIdxList[__bProgramPlayingIndex].wSubIndex; 
#endif                        
                        NV_TitlePlay(__bTitle,__wChapter);
                    }
                    else
                    {
                        // LLY2.37p, assign KEY_STOP from F/W
                        // To avoid IR and F/W key conflict issue
                        //__bISRKey = KEY_STOP;
                        __bFWKey = KEY_STOP;
                    }
                }
                else
                {
//Kevin0.86, __wPlayItem for font mode / GDI mode program UI                     
#ifndef CT908_UI 
                    __wPlayItem= __wProgramData[ __bProgramPlayingIndex];
#else
                    __bFMPlayingDir = __ProgIdxList[__bProgramPlayingIndex].bMainIndex;   //for FM use only
			 __wPlayItem= __ProgIdxList[__bProgramPlayingIndex].wSubIndex; 
#endif
                    // for VCD, the __wPlayItem=TrackNO+1;
                    if ( __wDiscType & BOOK_VCD )
                        __wPlayItem++;
                }
            }
//DEBUG            // must debug, will come here???
            else        // Program has no entry
            {
                // DVD_100aMicky, clear __btProgram first
                // as panel will reference it from panel 2.00
                /*__btProgram= FALSE;         // no recording program-data
                __btPlayingProgram = FALSE;
                __bFMMenuID = FM_MENU_NORMAL;*/
                // wyc1.10-3, clear all program variables to avoid sometimes the UI in program mode but __btProgram is FALSE.
                LINEAR_Program(LINEAR_PROGRAM_CLEAR,NULL);
                OSD_OUTPUT_MACRO(MSG_CLEARPROGRAM, FALSE, 0); //CoCo.101
            }
        }

        // 2. for Random mode
        // must random give a __wPlayItem
        if ( __btRandom )
        {
#ifndef  NO_MP3
            if (__wDiscType & CDROM_M1)
            {
                // wyc1.07, because old method only search 100 times to try to find playable files dir, and __dwCountSystem will be similar
                // when searching this 100 times. So it is possible of finding no playable dir in this searching and __bFMPlayingDir will be assign 
                // a unknown value. So add protection to make sure we can get a playable dir index after this loop.
                __bFMPlayingDir = (BYTE)(__dwCountSystem % __bFMTotalDirs);
                while (__pwFMFilesOfDir[__bFMPlayingDir] == 0)
                {
                    // wyc1.21, the old method to compute directory / files have bugs and will cause Picture CD go wrong
                    // dir / file in random mode. Modify to fix it.
                    __bFMPlayingDir++;
                    if ( __bFMPlayingDir >= __bFMTotalDirs)
                        __bFMPlayingDir = 0;
                }

                __wPlayItem = (WORD)(__dwCountSystem % __pwFMFilesOfDir[__bFMPlayingDir]);
                __wPlayItem+= __wTrackBegin;
            }
            else
#endif
            {
                __wPlayItem= (WORD)(__dwCountSystem % (__wTrackEnd- __wTrackBegin+ 1));
                __wPlayItem+= __wTrackBegin;
            }
        }
        //DVD_047
        // for DVD, don't call this, as it will clear current time as 0
        // cause KEY_NEXT/PREV will show time 0 then chapter time
        if ( !(__wDiscType & BOOK_DVD) )
            UTL_ShowTrack ( MSG_TRACK, __wPlayItem, 3 );

        // play the __wPlayItem from the beginning

        // wyc0.91, move function FM_ProcessHighLight in front of UTL_PlayItem to avoid FM_ProcessHighLight spending too much time in 
        // draw bitmap to make audio overflow problem in MP3.
#ifndef NO_MP3
        if (__wDiscType & CDROM_M1)
        {
            FM_ProcessHighLight(__wPlayItem);
        }
#endif  // #ifndef NO_MP3
        UTL_PlayItem (__wPlayItem, 0);

    }
}

//  *********************************************************************
//  Function    :   LINEAR_Number
//  Description :
//  Arguments   :   bNumber     : The
//  Return      :   TRUE, number is valid, and perform action
//              :   FALSE, number is invalid or out of range
//  Change      :
//  Side Effect :
//  *********************************************************************
BIT LINEAR_Number( WORD wNumber )
{
    // in Input GoToTime mode
//alex1.23,20040218 combine gototime , search,bookmark, Remove __btGotoTime , use __bSearhMode in Linear_Number function
    //if (__btGoToTime)
    if(__bSearchMode==SEARCH_MODE_TIME)
    {
        // do not allow the value larger
        if ( wNumber>=10 )
        {
//            OSD_Output(MSG_INVALID,  OSD_ERR_KEY, 1 );
            return FALSE;
        }
        else    // process this input
        {
            BYTE            bTemp;

            // *** MULTI_DISC;  Count the I/P NO. of Time
            __bGoToTimeNO++;
//DVD_046-1
// don;t support goto time number rounding
#ifdef      GOTOTIME_NUMBER_NOROUND
            if(__bGoToTimeNO>5) return FALSE ; // pxu 2000/09/05 for input number should not more than 5
#endif

#ifdef    GOTOTIME_LEFTTORIGHT
            // LLY.037, support H:MM:SS format input mode
            // and there is no limit for input digit
            if(__bGoToTimeNO == 1)
                __bTimeHour=(BYTE)wNumber;
            else if(__bGoToTimeNO == 2)
                __bTimeMin=(BYTE)wNumber*10;
            else if(__bGoToTimeNO == 3)
                __bTimeMin+=(BYTE)wNumber;
            else if(__bGoToTimeNO == 4)
                __bTimeSec=(BYTE)wNumber*10;
            else
                __bTimeSec+=(BYTE)wNumber;
#else   // #ifdef GOTOTIME_LEFTTORIGHT
            __bTimeHour = __bTimeMin/10; // LLY.0371, calculate hour part

            bTemp= __bTimeMin% 10;
            __bTimeMin= bTemp* 10+ __bTimeSec/ 10;
            bTemp= __bTimeSec% 10;
            __bTimeSec= bTemp* 10+ (BYTE)wNumber;

#endif    // #ifdef GOTOTIME_LEFTTORIGHT

            // Notice: MSG_GOTOTIME will reference __bTimeHour, __bTimeMin, __bTimeSec directly
            OSD_OUTPUT_MACRO ( MSG_GOTOTIME, __bGoToTimeNO, 0xff );

#ifdef    GOTOTIME_LEFTTORIGHT
            if ( __bGoToTimeNO == 5 )   
            {
                // DVD_277Micky,Fix DVD(GOTOTIME_LEFTTORIGHT) input 5 number-> always show invalid
                // update cc/linear/input.h
                // move the codes to KEY_GOTOTIME_VALUE
                // calculate __dwGoToTIme at one place.
                // Notice: can't call _CC_GoTimeAction(GOTIME_CALCULATE) & _CC_GoTimeAction(GOTIME_EXECUTE)
                // to replace simulate re-sending key for recursive issue !!
                // LINEAR_Number() --> _CC_GoTimeAction() --> LINEAR_Action() --> LINEAR_Number()
                // LLY2.37p, assign KEY_GOTOTIME_VALUE from F/W
                // To avoid IR and F/W key conflict issue
                //__bISRKey=KEY_GOTOTIME_VALUE;
                __bFWKey=KEY_GOTOTIME_VALUE;