com.drew.metadata.mov.atoms.SampleDescription Maven / Gradle / Ivy

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This is a fork of com.drewnoakes' metadata-extractor that relocates com.adobe.internal to com.adobe. Java library for extracting EXIF, IPTC, XMP, ICC and other metadata from image and video files.

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/*
 * Copyright 2002-2019 Drew Noakes and contributors
 *
 *    Licensed under the Apache License, Version 2.0 (the "License");
 *    you may not use this file except in compliance with the License.
 *    You may obtain a copy of the License at
 *
 *        http://www.apache.org/licenses/LICENSE-2.0
 *
 *    Unless required by applicable law or agreed to in writing, software
 *    distributed under the License is distributed on an "AS IS" BASIS,
 *    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *    See the License for the specific language governing permissions and
 *    limitations under the License.
 *
 * More information about this project is available at:
 *
 *    https://drewnoakes.com/code/exif/
 *    https://github.com/drewnoakes/metadata-extractor
 */
package com.drew.metadata.mov.atoms;

import com.drew.lang.SequentialReader;

import java.io.IOException;

/**
 * https://developer.apple.com/library/content/documentation/QuickTime/QTFF/QTFFChap2/qtff2.html#//apple_ref/doc/uid/TP40000939-CH204-BBCHHGBH
 *
 * @author Payton Garland
 */
public class SampleDescription
{
    long sampleDescriptionSize;
    String dataFormat;
    int dataReferenceIndex;

    public SampleDescription(SequentialReader reader) throws IOException
    {
        sampleDescriptionSize = reader.getUInt32();
        dataFormat = reader.getString(4);
        reader.skip(6); // Reserved
        dataReferenceIndex = reader.getUInt16();
    }
}