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      1 /* ------------------------------------------------------------------
      2  * Copyright (C) 1998-2009 PacketVideo
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
     13  * express or implied.
     14  * See the License for the specific language governing permissions
     15  * and limitations under the License.
     16  * -------------------------------------------------------------------
     17  */
     18 #include "atom.h"
     19 #include "atomutils.h"
     20 #include "oscl_file_io.h"
     21 #include "boxrecord.h"
     22 #include"a_atomdefs.h"
     23 
     24 
     25 
     26 
     27 PVA_FF_BoxRecord::PVA_FF_BoxRecord() : PVA_FF_Atom(FourCharConstToUint32('t', 't', 's', 'b'))
     28 {
     29     _top = 0;
     30     _left = 0;
     31     _bottom = 0;
     32     _right = 0;
     33     recomputeSize();
     34 }
     35 
     36 void PVA_FF_BoxRecord::setBoxTop(int16 top1)
     37 {
     38     if (_top == 0)
     39     {
     40         _top = top1;
     41     }
     42 }
     43 
     44 void PVA_FF_BoxRecord::setBoxLeft(int16 left1)
     45 {
     46     if (_left == 0)
     47     {
     48         _left = left1;
     49     }
     50 }
     51 
     52 void PVA_FF_BoxRecord::setBoxBottom(int16 bottom1)
     53 {
     54     if (_bottom == 0)
     55     {
     56         _bottom = bottom1;
     57     }
     58 }
     59 
     60 void PVA_FF_BoxRecord::setBoxRight(int16 right1)
     61 {
     62     if (_right == 0)
     63     {
     64         _right = right1;
     65     }
     66 }
     67 
     68 
     69 bool PVA_FF_BoxRecord::renderToFileStream(MP4_AUTHOR_FF_FILE_IO_WRAP *fp)
     70 {
     71     int32 rendered = 0;
     72 
     73     if (!PVA_FF_AtomUtils::render16(fp, _top))
     74     {
     75         return false;
     76     }
     77     rendered += 2;
     78     if (!PVA_FF_AtomUtils::render16(fp, _left))
     79     {
     80         return false;
     81     }
     82     rendered += 2;
     83     if (!PVA_FF_AtomUtils::render16(fp, _bottom))
     84     {
     85         return false;
     86     }
     87     rendered += 2;
     88     if (!PVA_FF_AtomUtils::render16(fp, _right))
     89     {
     90         return false;
     91     }
     92     rendered += 2;
     93 
     94     return true;
     95 }
     96 
     97 void PVA_FF_BoxRecord::recomputeSize()
     98 {
     99     int32 size = 0;
    100 
    101     size += 2;
    102     size += 2;
    103     size += 2;
    104     size += 2;
    105 
    106     _size = size;
    107 
    108     // Update size of parent
    109     if (_pparent != NULL)
    110     {
    111         _pparent->recomputeSize();
    112     }
    113 }
    114 
    115 uint32 PVA_FF_BoxRecord::getSize()
    116 {
    117     recomputeSize();
    118     return (_size);
    119 }
    120