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      1 /*
      2  * Copyright 2009 castLabs GmbH, Berlin
      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 express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 package com.coremedia.iso.boxes;
     18 
     19 import com.coremedia.iso.IsoFile;
     20 import com.coremedia.iso.IsoTypeReader;
     21 import com.coremedia.iso.IsoTypeWriter;
     22 import com.googlecode.mp4parser.AbstractFullBox;
     23 
     24 import java.nio.ByteBuffer;
     25 import java.util.LinkedList;
     26 import java.util.List;
     27 
     28 import static com.googlecode.mp4parser.util.CastUtils.l2i;
     29 
     30 public class SampleAuxiliaryInformationSizesBox extends AbstractFullBox {
     31     public static final String TYPE = "saiz";
     32 
     33     private int defaultSampleInfoSize;
     34     private List<Short> sampleInfoSizes = new LinkedList<Short>();
     35     private int sampleCount;
     36     private String auxInfoType;
     37     private String auxInfoTypeParameter;
     38 
     39     public SampleAuxiliaryInformationSizesBox() {
     40         super(TYPE);
     41     }
     42 
     43     @Override
     44     protected long getContentSize() {
     45         int size = 4;
     46         if ((getFlags() & 1) == 1) {
     47             size += 8;
     48         }
     49 
     50         size += 5;
     51         size += defaultSampleInfoSize == 0 ? sampleInfoSizes.size() : 0;
     52         return size;
     53     }
     54 
     55     @Override
     56     protected void getContent(ByteBuffer byteBuffer) {
     57         writeVersionAndFlags(byteBuffer);
     58         if ((getFlags() & 1) == 1) {
     59             byteBuffer.put(IsoFile.fourCCtoBytes(auxInfoType));
     60             byteBuffer.put(IsoFile.fourCCtoBytes(auxInfoTypeParameter));
     61         }
     62 
     63         IsoTypeWriter.writeUInt8(byteBuffer, defaultSampleInfoSize);
     64 
     65         if (defaultSampleInfoSize == 0) {
     66             IsoTypeWriter.writeUInt32(byteBuffer, sampleInfoSizes.size());
     67             for (short sampleInfoSize : sampleInfoSizes) {
     68                 IsoTypeWriter.writeUInt8(byteBuffer, sampleInfoSize);
     69             }
     70         } else {
     71             IsoTypeWriter.writeUInt32(byteBuffer, sampleCount);
     72         }
     73     }
     74 
     75     @Override
     76     public void _parseDetails(ByteBuffer content) {
     77         parseVersionAndFlags(content);
     78         if ((getFlags() & 1) == 1) {
     79             auxInfoType = IsoTypeReader.read4cc(content);
     80             auxInfoTypeParameter = IsoTypeReader.read4cc(content);
     81         }
     82 
     83         defaultSampleInfoSize = (short) IsoTypeReader.readUInt8(content);
     84         sampleCount = l2i(IsoTypeReader.readUInt32(content));
     85 
     86         sampleInfoSizes.clear();
     87 
     88         if (defaultSampleInfoSize == 0) {
     89             for (int i = 0; i < sampleCount; i++) {
     90                 sampleInfoSizes.add((short) IsoTypeReader.readUInt8(content));
     91             }
     92         }
     93     }
     94 
     95     public String getAuxInfoType() {
     96         return auxInfoType;
     97     }
     98 
     99     public void setAuxInfoType(String auxInfoType) {
    100         this.auxInfoType = auxInfoType;
    101     }
    102 
    103     public String getAuxInfoTypeParameter() {
    104         return auxInfoTypeParameter;
    105     }
    106 
    107     public void setAuxInfoTypeParameter(String auxInfoTypeParameter) {
    108         this.auxInfoTypeParameter = auxInfoTypeParameter;
    109     }
    110 
    111     public int getDefaultSampleInfoSize() {
    112         return defaultSampleInfoSize;
    113     }
    114 
    115     public void setDefaultSampleInfoSize(int defaultSampleInfoSize) {
    116         assert defaultSampleInfoSize <= 255;
    117         this.defaultSampleInfoSize = defaultSampleInfoSize;
    118     }
    119 
    120     public List<Short> getSampleInfoSizes() {
    121         return sampleInfoSizes;
    122     }
    123 
    124     public void setSampleInfoSizes(List<Short> sampleInfoSizes) {
    125         this.sampleInfoSizes = sampleInfoSizes;
    126     }
    127 
    128     public int getSampleCount() {
    129         return sampleCount;
    130     }
    131 
    132     public void setSampleCount(int sampleCount) {
    133         this.sampleCount = sampleCount;
    134     }
    135 
    136     @Override
    137     public String toString() {
    138         return "SampleAuxiliaryInformationSizesBox{" +
    139                 "defaultSampleInfoSize=" + defaultSampleInfoSize +
    140                 ", sampleCount=" + sampleCount +
    141                 ", auxInfoType='" + auxInfoType + '\'' +
    142                 ", auxInfoTypeParameter='" + auxInfoTypeParameter + '\'' +
    143                 '}';
    144     }
    145 }
    146