thumb.c

ct952 source code use for Digital Frame Photo

                {
                    _THUMB_UpdateHighlight(THUMB_UPDATE_HIGHLIGHT_CLEAR);
                    _wTHUMBIndex++;
                    _THUMB_UpdateHighlight(THUMB_UPDATE_HIGHLIGHT_DRAW);
                    _THUMB_ShowGeneralHelp((BYTE)(_wTHUMBIndex % THUMB_TOTAL_NUM_IN_PAGE));
                }
            }
        }
        else //The cursor is at the button.
        {
            if (_bTHUMBButtonIndex == 0)
            {
                //Recover the original highlight button to normal state.
                _THUMB_DrawButton(_bTHUMBButtonIndex, THUMB_BUTTON_STATE_ENABLE);

                //Update new highlight button.
                _bTHUMBButtonIndex++;
                _THUMB_DrawButton(_bTHUMBButtonIndex, THUMB_BUTTON_STATE_HIGHLIGHT);
            }
            else
                return INVALID_KEY;
        }
        break;
    case KEY_UP:    //move the cursor to up item
        if (_bTHUMBCursorType == THUMB_CURSOR_PICTURE)
        {
            if (_THUMB_CheckUpBoundary())
            {
                return INVALID_KEY; //exceed the up item.
            }
            else
            {
                _THUMB_UpdateHighlight(THUMB_UPDATE_HIGHLIGHT_CLEAR);
                _wTHUMBIndex -= THUMB_COLUMN_NUM;
                _THUMB_UpdateHighlight(THUMB_UPDATE_HIGHLIGHT_DRAW);
                _THUMB_ShowGeneralHelp((BYTE)(_wTHUMBIndex % THUMB_TOTAL_NUM_IN_PAGE));
            }
        }
        else //move the cursor from the button to the thumbnail
        {
            //No thumbnails in this page. The cursor is not allowed in the thumbnail part.
            if (_wTHUMBTotalFiles == 0)
                return INVALID_KEY;

#ifdef SUPPORT_THUMB_PROGRAM
            //There is no programmed thumbnail or all thumbnails has been deleted in this page.
            if ((_bTHUMBSubMode == THUMB_SUBMODE_PROGRAM_LIST) && (_wTHUMBTotalFiles <= (_bTHUMBProgramListPageNo * THUMB_TOTAL_NUM_IN_PAGE)))
                return INVALID_KEY;
#endif //#ifdef SUPPORT_THUMB_PROGRAM

            //change the type of the cursor.
            _bTHUMBCursorType = THUMB_CURSOR_PICTURE;

            _THUMB_UpdateHighlight(THUMB_UPDATE_HIGHLIGHT_DRAW);

            //Change the state of the button from "HIGHLIGHT" state to "ENABLE" state
            _THUMB_DrawButton(_bTHUMBButtonIndex, THUMB_BUTTON_STATE_ENABLE);
        }
        break;
    case KEY_DOWN:  //move the cursor to down item
        if (_bTHUMBCursorType == THUMB_CURSOR_PICTURE)
        {
            if (_THUMB_CheckDownBoundary()) //exceed the down item==>go to the button part.
            {
                if (!_bTHUMBStop)
                    return INVALID_KEY;
                else
                {
                    _THUMB_UpdateHighlight(THUMB_UPDATE_HIGHLIGHT_CLEAR);
                    _bTHUMBCursorType = THUMB_CURSOR_BUTTON;
                    _THUMB_DrawButton(_bTHUMBButtonIndex, THUMB_BUTTON_STATE_HIGHLIGHT);
                }
            }
            else //not exceed the down item.
            {
                if (!_bTHUMBStop)
                {
                    if (_wTHUMBPlayIndex <= (_wTHUMBIndex + THUMB_COLUMN_NUM)) //CoCo1.05, don't move the highlight when the picture is not decoded.
                        return INVALID_KEY;
                }

                _THUMB_UpdateHighlight(THUMB_UPDATE_HIGHLIGHT_CLEAR);
                _wTHUMBIndex += THUMB_COLUMN_NUM;
                _THUMB_UpdateHighlight(THUMB_UPDATE_HIGHLIGHT_DRAW);
                _THUMB_ShowGeneralHelp((BYTE)(_wTHUMBIndex % THUMB_TOTAL_NUM_IN_PAGE));
            }
        }
        else //The cursor is at the button now.
            return INVALID_KEY;
        break;
#ifdef SUPPORT_PHOTO_BROWSE_MODE
    case KEY_BROWSE:
        if ((_bTHUMBSubMode == THUMB_SUBMODE_GENERAL) && (_bTHUMBCursorType == THUMB_CURSOR_PICTURE))
        {
            _THUMB_ToSlideShow(THUMB_PLAY_CURRENT);
        }
        else
        {
            _THUMB_ToSlideShow(THUMB_PLAY_START);
        }
        return KEY_BYPASS;
#endif //SUPPORT_PHOTO_BROWSE_MODE
    case KEY_PROGRAM:
#ifdef SUPPORT_THUMB_PROGRAM
        if (__btProgram)
        {
            if (_bTHUMBSubMode == THUMB_SUBMODE_PROGRAM)
            {
                if (_bTHUMBStop)
                {
                    //Return to general mode
                    _bTHUMBSubMode = THUMB_SUBMODE_GENERAL;

                    //CoCo1.10, Fix the bug about the programmed items are not cleard when KEY_PROGRAM==>KEY_PROGRAM.
                    LINEAR_Program(LINEAR_PROGRAM_CLEAR, (BYTE)NULL);

                    //update frame
                    if (_bTHUMBStop)
                        _THUMB_UpdateThumbnailFrame(THUMB_UPDATE_FRAME_PROGRAM_TO_GENERAL);

                    _THUMB_EnterNewMode();
                }
                else
                    return INVALID_KEY;
            }
            else
                return INVALID_KEY;
        }
        else
        {
            if (_bTHUMBSubMode == THUMB_SUBMODE_GENERAL)
            {
                if (_bTHUMBStop)
                {
                    //Enter Program mode
                    _bTHUMBSubMode = THUMB_SUBMODE_PROGRAM;
                    __btProgram = TRUE;
                    __btInputProgram = TRUE;

                    //update frame
                    if (_bTHUMBStop)
                        _THUMB_UpdateThumbnailFrame(THUMB_UPDATE_FRAME_GENERAL_TO_PROGRAM);

                    _THUMB_EnterNewMode();
                }
                else
                    return INVALID_KEY;
            }
            else
                return INVALID_KEY;
        }
#else
        return INVALID_KEY;
#endif //#ifdef SUPPORT_THUMB_PROGRAM
        break;
    case KEY_PLAY_PAUSE:
        if (__btPlaying) // within playing mode
        {
            __bKey = KEY_PAUSE;
            return KEY_BYPASS;
        }
    case KEY_ENTER:
    case KEY_PLAY:
        if (__btPause)
            return KEY_BYPASS;
        else
            return _THUMB_ProcessEnterKey();
    case KEY_RANDOM:
#ifdef SUPPORT_DELETE_FILE_IN_THUMB_UI
        if (__bTHUMBMainMode == THUMB_MAIN_MODE_EDIT)
            return INVALID_KEY;
#endif //SUPPORT_DELETE_FILE_IN_THUMB_UI

        __btRandom = FALSE;
		__btPause = FALSE;
#if (DRAM_CONFIGURATION_TYPE_DVD == DRAM_SIZE_16)
        DISP_DisplayCtrl(DISP_MAINVIDEO, FALSE);
#endif
        THUMB_NormalExit();
    default:
        return KEY_BYPASS;
    }

    return KEY_NO_KEY;
}


//*********************************************************************************************************
//  Function    :   _THUMB_Start
//  Abstract    :   Start to play a thumbnail.
//  Arguments   :   none.
//  Return		:   none.
//  Side Effect :   none.
//  Notes       :
//*********************************************************************************************************
void _THUMB_Start(void)
{
    if (_bTHUMBSubMode == THUMB_SUBMODE_PROGRAM_LIST)
    {
#ifdef SUPPORT_THUMB_PROGRAM
        //clear the OSD in the frame to prevent remenent "MP3".
        _THUMB_ClearFileExtInProgramList((BYTE)(_wTHUMBPlayIndex%THUMB_TOTAL_NUM_IN_PAGE));

        if (__pMMProgContent[_wTHUMBPlayIndex].bExtID != EXTNAME_JPG)
        {
            //draw frame
            _THUMB_DrawFrame((BYTE)(_wTHUMBPlayIndex%THUMB_TOTAL_NUM_IN_PAGE), THUMB_FRAME_NORMAL);
            _THUMB_ShowFileExtInProgramList((BYTE)(_wTHUMBPlayIndex%THUMB_TOTAL_NUM_IN_PAGE));
            _THUMB_ChangeToNextPic();
            return;
        }
        else
        {
            //get the programmed file from __ProgIdxList[];
            //update the playing dir for executing the playing dir.
            __MMPlayingItem.wDirID = __ProgIdxList[_wTHUMBPlayIndex].bMainIndex;

            //CoCo1.06, the temporal solution to fix the thumbnails can't be decoded completely.
            if (__SF_SourceGBL[__dwSFStreamID].bSourceIndex == SOURCE_USB0_0) // USB
            {
                // wyc1.07-909, delay 100 ms is better in some platform USB mode.
                // wyc1.11-909, don't need to delay 100ms when issuing CC_KeyCommand(KEY_STOP) here.
                //UTL_DelayTime(COUNT_100_MSEC, FALSE);
            }
            // wyc1.11-909, need to issue stop command, otherwise thumbnail will decode failed in some USB disk. The reason is unknown
            // and maybe relative to timing issue.
            CC_KeyCommand(KEY_STOP);
            UTL_PlayItem((WORD)(__ProgIdxList[_wTHUMBPlayIndex].wSubIndex), 0);

            _THUMB_ParseHeader();

            //Access the file status to set correct operation
            MM_AccessJPGStatus(MM_GET_JPG_STATUS, (WORD)(__ProgIdxList[_wTHUMBPlayIndex].wSubIndex));
        }
#endif //#ifdef SUPPORT_THUMB_PROGRAM
    }
#ifdef SUPPORT_DELETE_FILE_IN_THUMB_UI
    else if ((_bTHUMBSubMode == THUMB_SUBMODE_EDIT_MODE) || (_bTHUMBSubMode == THUMB_SUBMODE_DELETE_MODE) || (_bTHUMBSubMode == THUMB_SUBMODE_SORT_MODE))
    {
        UTL_PlayItem((WORD)(_wTHUMBStartPlayItem+_wTHUMBPlayIndex+1), 0);
        _THUMB_ParseHeader();
     
        MM_AccessJPGStatus(MM_GET_JPG_STATUS, _wTHUMBStartPlayItem+_wTHUMBPlayIndex+1);
        
        __HALJPEGSetting.bOperation = __bMMJPGStatus;
        _wTHUMBStartTime = OS_GetSysTimer();
        _bTHUMBStage = THUMB_STAGE_PARSEHEADER;
        return;
    }
#endif //SUPPORT_DELETE_FILE_IN_THUMB_UI
    else //general mode
    {
        //update the playing dir for executing the playing dir. In general case, it is equal to __bFMActiveDir.
#ifndef CT950_STYLE
        __MMPlayingItem.wDirID = __MMSelectCursor.wDirID;
#endif //CT950_STYLE

        //CoCo1.06, the temporal solution to fix the thumbnails can't be decoded completely.
        if (__SF_SourceGBL[__dwSFStreamID].bSourceIndex == SOURCE_USB0_0) // USB
        {
            // wyc1.11-909, don't need to delay 100ms when issuing CC_KeyCommand(KEY_STOP) here.
            //UTL_DelayTime(COUNT_100_MSEC, FALSE);
        }
        // wyc1.11-909, need to issue stop command, otherwise thumbnail will decode failed in some USB disk. The reason is unknown
        // and maybe relative to timing issue.
        CC_KeyCommand(KEY_STOP);

#ifdef CT950_STYLE
		if (_bTHUMBDecodeMode == THUMB_DECODE_ONE)
		{
			_THUMB_CheckDumpFileRecord(TRUE);
		}
		else
		{
			_THUMB_CheckDumpFileRecord(FALSE);
		}

		_wTHUMBPlayItemInFolder = _THUMB_GetPlayIndex();

        UTL_PlayItem(_wTHUMBPlayItemInFolder, 0);
#else
        UTL_PlayItem((WORD)(_wTHUMBStartPlayItem+_wTHUMBPlayIndex+1), 0);
#endif //CT950_STYLE        

        _THUMB_ParseHeader();

        //Access the file status to set correct operation
#ifdef CT950_STYLE
		MM_AccessJPGStatus(MM_GET_JPG_STATUS, _wTHUMBPlayItemInFolder);
#else
        MM_AccessJPGStatus(MM_GET_JPG_STATUS, (WORD)(_wTHUMBStartPlayItem+_wTHUMBPlayIndex+1));
#endif //CT950_STYLE
    }

    __HALJPEGSetting.bOperation = __bMMJPGStatus;

    _wTHUMBStartTime = OS_GetSysTimer();
    _bTHUMBStage = THUMB_STAGE_PARSEHEADER;
    //__btPlayEnd= FALSE; //--CoCo0.91, remove it by LLY's suggestion.
}

//*********************************************************************************************************
//  Function    :   _THUMB_GetTotalFiles
//  Abstract    :   Call this function to get total files aaccording to _bTHUMBSubMode.
//  Arguments   :   none.
//  Return		:   none.
//  Side Effect :   none.
//  Notes       :
//*********************************************************************************************************
void _THUMB_GetTotalFiles(void)
{
    _bTHUMBTemp = FALSE;

#ifdef SUPPORT_THUMB_PROGRAM
    if (_bTHUMBSubMode == THUMB_SUBMODE_PROGRAM_LIST)
    {
        //We show all kinds of files in the program list not only thumbnail.
        _wTHUMBTotalFiles = __bProgramMaxEntry;
    }
    else
#endif //#ifdef SUPPORT_THUMB_PROGRAM
    {
        _wTHUMBTotalFiles = 0;

        //Picture CD only have one valid directory and it index is 1.
        if (__wDiscType & CDROM_PICTURECD)
            __MMSelectCursor.wDirID = 1;

        // wyc0.50-909, remove it because of bDirExtAttr field is removed now.
        /* --CoCo, remove it because mmanager doesn't keep the special file attribute info.
        //CDINFO will parse the file's attribute and put it in bDirExtAttr
        if (!(__pMMDirNameList[__MMSelectCursor.wDirID].bDirExtAttr & EXTNAME_JPG)) //No JPEG files
            return;
            */

        // wyc0.85a, use new pointer to support sort/filter function.
        //Dump total files from the first files of this directory.
        MM_TriggerDumping(MM_ID_RelativeToAbsolute(__MMSelectCursor.wDirID, 0), __pMMFilterFilesOfDir[__MMSelectCursor.wDirID]);