osdprgm.c

车载电子影音系统dvd播放系统原程序代码

	
                //Alan2.37, fix the drawing UI slowly when playing CDDA in Anti-Shock
#ifndef SUPPORT_ANTISHOCK
    //Kevin1.00, fix the video hang/audio broken when invoking Program GUI
    HAL_PreFillBuffer(HAL_FILL_AV_BUFFER, NULL);
#else
                if (BOOK_CDDA != __wDiscType)
                {
                    HAL_PreFillBuffer(HAL_FILL_AV_BUFFER, NULL);
                }
#endif
    
} //end of OSDPRGM_Display()



//  *********************************************************************************
//  Function    :   OSDPRGM_ProcessKey
//  Description :   Process the input key while in DVD/VCD Program mode
//  Arguments   :   bKey, the input key
//  Return      :   KEY_NO_KEY  , the input key is processed
//              :   INVALID_KEY , the input key is not allowed under this mode
//              :   KEY_xxx     , main program needs to do more processing for the key.
//  Side Effect :
//  *********************************************************************************
BYTE OSDPRGM_ProcessKey(BYTE bKey)
{
	
    //Kevin1.00, fix the video hang/audio broken when invoking Program GUI
    HAL_PreFillBuffer(HAL_FILL_AV_BUFFER, NULL);
	
	
    switch (bKey)
    {
		///// Enter the following cases when in program mode /////
    case KEY_UP:
#ifdef SUPPORT_PRGM_NUM_INPUT //Kevin1.06
        _OSDPRGM_ProcessNumInput(PRGM_NUMBERINPUT_CHECK, NULL);
#endif
        _SetClearHighlight(CLEAR_HIGHLIGHT);
		
        if (_bCurrentFrame==MAIN_FRAME)
        {   
            if (_bMainHighlightPos>1)
                _bMainHighlightPos--; 
            else
            {
#ifdef SUPPORT_CLEARALL_IN_PROGRAM
                if (_bMainStart>0)
#else
					if (_bMainStart>1)
#endif
					{   
						_bMainStart--;
						_ShowMainList(); 
					}    
#ifdef SUPPORT_CIRCULAR_WRAP //Kevin1.05, add          
					else
					{
						_bMainStart=MAX_PROG_ITEM-MAX_ENTRY_NUM_SHOWN_IN_MAIN_FRAME+1;
						_bMainHighlightPos = MAX_ENTRY_NUM_SHOWN_IN_MAIN_FRAME; //highlight MAX_ENTRY_NUM_SHOWN_IN_MAIN_FRAME. __-__ 
						_ShowMainList(); 
					}
#endif
            }                                
        }
        else if (_bCurrentFrame==TITLE_FRAME)
        {   
            if (_bTitleHighlightPos>1)
                _bTitleHighlightPos--;   
            else
            {   
                if (_bTitleStart>1)
                {   
                    _bTitleStart--;
                    _ShowTitleList(); 
                }      
#ifdef SUPPORT_CIRCULAR_WRAP //Kevin1.05, add
                else if (_bTotalTitle>MAX_ENTRY_NUM_SHOWN_IN_TITLE_FRAME)
                {
                    _bTitleStart=_bTotalTitle-MAX_ENTRY_NUM_SHOWN_IN_TITLE_FRAME+1;
                    _bTitleHighlightPos = MAX_ENTRY_NUM_SHOWN_IN_TITLE_FRAME; 
                    _ShowTitleList(); 
                }
#endif
            }
			
			
            if (__wDiscType & BOOK_DVD) 
            {            
				// uncomment when DVD/VCD is in the loader
                DVD_ParseInfo ( DVD_TOTAL_CHAPTERS, &__dwTemp, (WORD)(_bTitleStart+_bTitleHighlightPos-1) );             
                _wTotalChapter = (WORD)__dwTemp;           
                //_wTotalChapter=(_bTitleStart+_bTitleHighlightPos-1); //comment when DVD/VCD is in the loader
				
				/*--CoCo1.21
                _wChapterStart = 1;
                _wChapterHighlightPos = 1;
                _ShowChapterList();
				*/
				_OSDPRGM_UpdateChapterList(); //CoCo1.21, Use this function to replace the above code
                _bCurrentFrame = TITLE_FRAME; /////highlight remains in the Title Frame            
            }            
#ifdef SUPPORT_SIMPLE_FM_PROGRAM //Kevin1.10
            else if (__wDiscType & CDROM_M1) 
            {            
                _wTotalChapter=__pwFMFilesOfDir[_bTitleStart+_bTitleHighlightPos-1-1]; //dir 0~ 
				/*--CoCo1.21
                _wChapterStart = 1;
                _wChapterHighlightPos = 1;
                _ShowChapterList();
				*/
				_OSDPRGM_UpdateChapterList(); //CoCo1.21, Use this function to replace the above code
                _bCurrentFrame = TITLE_FRAME; /////highlight remains in the Title Frame            
            } 
#endif
        }                     
        else //CHAPTER_FRAME
        {
            if (_wChapterHighlightPos>1)
                _wChapterHighlightPos--;   
            else
            {   
                if (_wChapterStart>1)
                { 
                    _wChapterStart--;
                    _ShowChapterList(); 
                }    
#ifdef SUPPORT_CIRCULAR_WRAP //Kevin1.05, add
                else if (_wTotalChapter>MAX_ENTRY_NUM_SHOWN_IN_CHAPTER_FRAME)
                {
                    _wChapterStart=_wTotalChapter-MAX_ENTRY_NUM_SHOWN_IN_CHAPTER_FRAME+1;
                    _wChapterHighlightPos = MAX_ENTRY_NUM_SHOWN_IN_CHAPTER_FRAME; 
                    _ShowChapterList(); 
                }
#endif
            }
        }       
        _SetClearHighlight(SET_HIGHLIGHT);
        
        __bKey=KEY_NO_KEY;
        break;
		
		
    case KEY_DOWN:
#ifdef SUPPORT_PRGM_NUM_INPUT //Kevin1.06
        _OSDPRGM_ProcessNumInput(PRGM_NUMBERINPUT_CHECK, NULL);
#endif
        _SetClearHighlight(CLEAR_HIGHLIGHT);
		
        if (_bCurrentFrame==MAIN_FRAME)
        {
            //Kevin1.23DMTech, move to a function
            /*
            if ((_bMainHighlightPos<MAX_ENTRY_NUM_SHOWN_IN_MAIN_FRAME) && (_bMainStart+_bMainHighlightPos-1<MAX_PROG_ITEM) ) //change _bMainHighlightPos only
                _bMainHighlightPos++;  
            else
            {   
                if ((_bMainStart+MAX_ENTRY_NUM_SHOWN_IN_MAIN_FRAME-1)<MAX_PROG_ITEM)
                {   
                    _bMainStart++;
                    _ShowMainList();                    
                }       
#ifdef SUPPORT_CIRCULAR_WRAP //Kevin1.05, add
                else
                {
#ifdef SUPPORT_CLEARALL_IN_PROGRAM
                    _bMainStart = 0; 
                    _bMainHighlightPos = 2; //highlight 1. __-__  
#else
                    _bMainStart = 1; 
                    _bMainHighlightPos = 1; //highlight 1. __-__ 
#endif 
                    _ShowMainList(); 
                }
#endif
            }
            */
            _OSDPRGM_ProceedToNextMainEntry();
        }            
        else if (_bCurrentFrame==TITLE_FRAME)
        {   
            //Kevin1.05-3, modify
            //if ( (_bTitleHighlightPos<MAX_ENTRY_NUM_SHOWN_IN_TITLE_FRAME) && (_bTitleHighlightPos<_bTotalTitle) )
            if ( (_bTitleHighlightPos<MAX_ENTRY_NUM_SHOWN_IN_TITLE_FRAME) && (_bTitleStart+_bTitleHighlightPos-1<_bTotalTitle) ) //change _bTitleHighlightPos only
                _bTitleHighlightPos++;   
            else //change _bTitleStart
            {   
                if ((_bTitleStart+MAX_ENTRY_NUM_SHOWN_IN_TITLE_FRAME-1)<_bTotalTitle)
                {   
                    _bTitleStart++;
                    _ShowTitleList();                    
                }         
#ifdef SUPPORT_CIRCULAR_WRAP //Kevin1.05, add
                //Kevin1.07a, consider _bTitleStart=5, _bTotalTitle=9
                //else if (_bTitleStart>MAX_ENTRY_NUM_SHOWN_IN_TITLE_FRAME)
                else if (_bTitleStart!=1)
                {
					/*--CoCo1.21
                    _bTitleStart=1;
                    _bTitleHighlightPos=1;
                    _ShowTitleList(); 
					*/
					_OSDPRGM_UpdateTitleList(); //CoCo1.21, use this function to replace the above code
                }
#endif
            }
			
            if (__wDiscType & BOOK_DVD) //no Chapter Frame for VCD           
            {            
				//uncomment when DVD/VCD is in the loader
                DVD_ParseInfo ( DVD_TOTAL_CHAPTERS, &__dwTemp, (WORD)(_bTitleStart+_bTitleHighlightPos-1) );             
                _wTotalChapter = (WORD)__dwTemp;           
                //_wTotalChapter=(_bTitleStart+_bTitleHighlightPos-1); //comment when DVD/VCD is in the loader
				
				/*--CoCo1.21
                _wChapterStart = 1;
                _wChapterHighlightPos = 1;
                _ShowChapterList();
				*/
				_OSDPRGM_UpdateChapterList(); //CoCo1.21, Use this function to replace the above code
                _bCurrentFrame = TITLE_FRAME; /////highlight remains in the Title Frame
            }   
#ifdef SUPPORT_SIMPLE_FM_PROGRAM //Kevin1.10
            else if (__wDiscType & CDROM_M1) 
            {            
                _wTotalChapter=__pwFMFilesOfDir[_bTitleStart+_bTitleHighlightPos-1-1]; //dir 0~ 
				/*--CoCo1.21
                _wChapterStart = 1;
                _wChapterHighlightPos = 1;
                _ShowChapterList();
				*/
				_OSDPRGM_UpdateChapterList(); //CoCo1.21, Use this function to replace the above code
                _bCurrentFrame = TITLE_FRAME; /////highlight remains in the Title Frame            
            } 
#endif            
            
        }                     
        else //CHAPTER_FRAME
        {
            //Kevin1.05-3, modify
            //if ( (_wChapterHighlightPos<MAX_ENTRY_NUM_SHOWN_IN_CHAPTER_FRAME) && (_wChapterHighlightPos<_wTotalChapter) )
            if ( (_wChapterHighlightPos<MAX_ENTRY_NUM_SHOWN_IN_CHAPTER_FRAME) && (_wChapterStart+_wChapterHighlightPos-1<_wTotalChapter) ) //change _wChapterHighlightPos only
                _wChapterHighlightPos++;  
            else //change _wChapterStart
            {
                if ((_wChapterStart+MAX_ENTRY_NUM_SHOWN_IN_CHAPTER_FRAME-1)<_wTotalChapter)
                {   
                    _wChapterStart++;
                    _ShowChapterList();                 
                }    
#ifdef SUPPORT_CIRCULAR_WRAP //Kevin1.05, add
                //Kevin1.07a, consider _wChapterStart=5, _wTotalChapter=9  
                //else if (_wChapterStart>MAX_ENTRY_NUM_SHOWN_IN_CHAPTER_FRAME)
                else if (_wChapterStart!=1)
                {
					/*--CoCo1.21
                    _wChapterStart=1;
                    _wChapterHighlightPos=1;
                    _ShowChapterList(); 
					*/
					_OSDPRGM_UpdateChapterList(); //CoCo1.21, Use this function to replace the above code
                }  
#endif                
            }
        }       
		
        _SetClearHighlight(SET_HIGHLIGHT);
        
        __bKey=KEY_NO_KEY;
        break;
		
		
		//Kevin1.05-3, page down
    case KEY_NEXT:
#ifdef SUPPORT_PRGM_NUM_INPUT //Kevin1.06
        _OSDPRGM_ProcessNumInput(PRGM_NUMBERINPUT_CHECK, NULL);
#endif
        _SetClearHighlight(CLEAR_HIGHLIGHT);
		
        if (_bCurrentFrame==MAIN_FRAME)
        {   
            //if (_bMainStart+_bMainHighlightPos-1+2*MAX_ENTRY_NUM_SHOWN_IN_MAIN_FRAME-_bMainHighlightPos<=MAX_PROG_ITEM) //scroll down a whole page
            if (_bMainStart-1+2*MAX_ENTRY_NUM_SHOWN_IN_MAIN_FRAME<=MAX_PROG_ITEM) //scroll down a whole page
            { 
                _bMainStart+=MAX_ENTRY_NUM_SHOWN_IN_MAIN_FRAME; 
                //_bMainHighlightPos remains the same
                _ShowMainList();
            }
            else if (_bMainStart+_bMainHighlightPos-1+MAX_ENTRY_NUM_SHOWN_IN_MAIN_FRAME<=MAX_PROG_ITEM) //scroll down not a whole page
            {   
                //__bTemp=_bMainStart+_bMainHighlightPos-1+MAX_ENTRY_NUM_SHOWN_IN_MAIN_FRAME; //--CoCo1.21
                _bMainStart=MAX_PROG_ITEM-MAX_ENTRY_NUM_SHOWN_IN_MAIN_FRAME+1;
                //_bMainHighlightPos = __bTemp-_bMainStart+1;   //--CoCo1.21
		_bMainHighlightPos = _bMainStart+_bMainHighlightPos-1+MAX_ENTRY_NUM_SHOWN_IN_MAIN_FRAME-_bMainStart+1;				
                _ShowMainList();
            } 
            else if (_bMainStart+MAX_ENTRY_NUM_SHOWN_IN_MAIN_FRAME-1<MAX_PROG_ITEM) //scroll down not a whole page
            {
                _bMainStart=MAX_PROG_ITEM-MAX_ENTRY_NUM_SHOWN_IN_MAIN_FRAME+1;
                _bMainHighlightPos =MAX_PROG_ITEM-_bMainStart+1;   //last one
                _ShowMainList();
            } 
#ifdef SUPPORT_CIRCULAR_WRAP 
            //else if (_bMainStart>=MAX_ENTRY_NUM_SHOWN_IN_MAIN_FRAME)
#ifdef SUPPORT_CLEARALL_IN_PROGRAM
            else if (_bMainStart!=0) //avoid unnecessary redraw
            {
                _bMainStart = 0; 
                _bMainHighlightPos = 2; //highlight 1. __-__  
#else
				else if (_bMainStart!=1) //avoid unnecessary redraw
				{
					_bMainStart = 1; 
					_bMainHighlightPos = 1; //highlight 1. __-__ 
#endif 
					_ShowMainList();
				}
#endif
				
			}            
			else if (_bCurrentFrame==TITLE_FRAME)
			{   
				//if (_bTitleStart+_bTitleHighlightPos-1+MAX_ENTRY_NUM_SHOWN_IN_TITLE_FRAME+MAX_ENTRY_NUM_SHOWN_IN_TITLE_FRAME-_bTitleHighlightPos<=_bTotalTitle) //scroll down a whole page
				if (_bTitleStart-1+2*MAX_ENTRY_NUM_SHOWN_IN_TITLE_FRAME<=_bTotalTitle) //scroll down a whole page
				{ 
					_bTitleStart+=MAX_ENTRY_NUM_SHOWN_IN_TITLE_FRAME;