Java Box.getSize方法代码示例

import com.coremedia.iso.boxes.Box; //导入方法依赖的package包/类
private void initIsoFile(IsoFile isoFile) {
    this.isoFile = isoFile;
    // find all mdats first to be able to use them later with explicitly looking them up
    long currentOffset = 0;
    LinkedList<MediaDataBox> mdats = new LinkedList<MediaDataBox>();
    for (Box b : this.isoFile.getBoxes()) {
        long currentSize = b.getSize();
        if ("mdat".equals(b.getType())) {
            if (b instanceof MediaDataBox) {
                long contentOffset = currentOffset + ((MediaDataBox) b).getHeader().limit();
                mdatStartCache.put((MediaDataBox) b, contentOffset);
                mdatEndCache.put((MediaDataBox) b, contentOffset + currentSize);
                mdats.add((MediaDataBox) b);
            } else {
                throw new RuntimeException("Sample need to be in mdats and mdats need to be instanceof MediaDataBox");
            }
        }
        currentOffset += currentSize;
    }
    this.mdats = mdats.toArray(new MediaDataBox[mdats.size()]);
}
 

import com.coremedia.iso.boxes.Box; //导入方法依赖的package包/类
protected long getContentSize() {
    long contentSize = 4; // flags and version
    for (Box boxe : boxes) {
        contentSize += boxe.getSize();
    }
    return contentSize;
}
 

import com.coremedia.iso.boxes.Box; //导入方法依赖的package包/类
public long getNumOfBytesToFirstChild() {
    long sizeOfChildren = 0;
    for (Box box : boxes) {
        sizeOfChildren += box.getSize();
    }
    return getSize() - sizeOfChildren;
}
 

import com.coremedia.iso.boxes.Box; //导入方法依赖的package包/类
@Override
protected long getContentSize() {
    long contentSize = 8;
    for (Box boxe : boxes) {
        contentSize += boxe.getSize();
    }
    return contentSize;
}
 

import com.coremedia.iso.boxes.Box; //导入方法依赖的package包/类
public long getDataOffset() {
    Box b = this;
    long offset = 16;
    while (b.getParent() != null) {
        for (Box box : b.getParent().getBoxes()) {
            if (b == box) {
                break;
            }
            offset += box.getSize();
        }
        b = b.getParent();
    }
    return offset;
}
 

import com.coremedia.iso.boxes.Box; //导入方法依赖的package包/类
@Override
protected long getContentSize() {
    long size = 8;
    for (Box box : boxes) {
        size += box.getSize();
    }

    return size;
}
 

import com.coremedia.iso.boxes.Box; //导入方法依赖的package包/类
@Override
public long getSize() {
    long size = 0;
    for (Box box : boxes) {
        size += box.getSize();
    }
    return size;
}
 

import com.coremedia.iso.boxes.Box; //导入方法依赖的package包/类
@Override
protected long getContentSize() {
    long size = 8;

    for (Box box : boxes) {
        size += box.getSize();
    }
    size += vc1Content.length;
    return size;
}
 

import com.coremedia.iso.boxes.Box; //导入方法依赖的package包/类
protected long getContentSize() {
    long contentSize = 18;
    contentSize += boxRecord.getSize();
    contentSize += styleRecord.getSize();
    for (Box boxe : boxes) {
        contentSize += boxe.getSize();
    }
    return contentSize;
}
 

import com.coremedia.iso.boxes.Box; //导入方法依赖的package包/类
@Override
protected long getContentSize() {
    long contentSize = 28;
    contentSize += soundVersion > 0 ? 16 : 0;
    contentSize += soundVersion == 2 ? 20 : 0;
    for (Box boxe : boxes) {
        contentSize += boxe.getSize();
    }
    return contentSize;
}
 

import com.coremedia.iso.boxes.Box; //导入方法依赖的package包/类
protected long getContentSize() {
    long contentSize = 78;
    for (Box boxe : boxes) {
        contentSize += boxe.getSize();
    }
    return contentSize;
}
 

import com.coremedia.iso.boxes.Box; //导入方法依赖的package包/类
@DoNotParseDetail
public long getOffset() {
    Box b = this;
    long offset = 0;
    while (b.getParent() != null) {
        for (Box box : b.getParent().getBoxes()) {
            if (b == box) {
                break;
            }
            offset += box.getSize();
        }
        b = b.getParent();
    }
    return offset;
}
 

import com.coremedia.iso.boxes.Box; //导入方法依赖的package包/类
/**
 * Creates a 'tfra' - track fragment random access box for the given track with the isoFile.
 * The tfra contains a map of random access points with time as key and offset within the isofile
 * as value.
 *
 * @param track   the concerned track
 * @param isoFile the track is contained in
 * @return a track fragment random access box.
 */
protected Box createTfra(Track track, IsoFile isoFile) {
    TrackFragmentRandomAccessBox tfra = new TrackFragmentRandomAccessBox();
    tfra.setVersion(1); // use long offsets and times
    List<TrackFragmentRandomAccessBox.Entry> offset2timeEntries = new LinkedList<TrackFragmentRandomAccessBox.Entry>();
    List<Box> boxes = isoFile.getBoxes();
    long offset = 0;
    long duration = 0;
    for (Box box : boxes) {
        if (box instanceof MovieFragmentBox) {
            List<TrackFragmentBox> trafs = ((MovieFragmentBox) box).getBoxes(TrackFragmentBox.class);
            for (int i = 0; i < trafs.size(); i++) {
                TrackFragmentBox traf = trafs.get(i);
                if (traf.getTrackFragmentHeaderBox().getTrackId() == track.getTrackMetaData().getTrackId()) {
                    // here we are at the offset required for the current entry.
                    List<TrackRunBox> truns = traf.getBoxes(TrackRunBox.class);
                    for (int j = 0; j < truns.size(); j++) {
                        List<TrackFragmentRandomAccessBox.Entry> offset2timeEntriesThisTrun = new LinkedList<TrackFragmentRandomAccessBox.Entry>();
                        TrackRunBox trun = truns.get(j);
                        for (int k = 0; k < trun.getEntries().size(); k++) {
                            TrackRunBox.Entry trunEntry = trun.getEntries().get(k);
                            SampleFlags sf = null;
                            if (k == 0 && trun.isFirstSampleFlagsPresent()) {
                                sf = trun.getFirstSampleFlags();
                            } else if (trun.isSampleFlagsPresent()) {
                                sf = trunEntry.getSampleFlags();
                            } else {
                                List<MovieExtendsBox> mvexs = isoFile.getMovieBox().getBoxes(MovieExtendsBox.class);
                                for (MovieExtendsBox mvex : mvexs) {
                                    List<TrackExtendsBox> trexs = mvex.getBoxes(TrackExtendsBox.class);
                                    for (TrackExtendsBox trex : trexs) {
                                        if (trex.getTrackId() == track.getTrackMetaData().getTrackId()) {
                                            sf = trex.getDefaultSampleFlags();
                                        }
                                    }
                                }

                            }
                            if (sf == null) {
                                throw new RuntimeException("Could not find any SampleFlags to indicate random access or not");
                            }
                            if (sf.getSampleDependsOn() == 2) {
                                offset2timeEntriesThisTrun.add(new TrackFragmentRandomAccessBox.Entry(
                                        duration,
                                        offset,
                                        i + 1, j + 1, k + 1));
                            }
                            duration += trunEntry.getSampleDuration();
                        }
                        if (offset2timeEntriesThisTrun.size() == trun.getEntries().size() && trun.getEntries().size() > 0) {
                            // Oooops every sample seems to be random access sample
                            // is this an audio track? I don't care.
                            // I just use the first for trun sample for tfra random access
                            offset2timeEntries.add(offset2timeEntriesThisTrun.get(0));
                        } else {
                            offset2timeEntries.addAll(offset2timeEntriesThisTrun);
                        }
                    }
                }
            }
        }


        offset += box.getSize();
    }
    tfra.setEntries(offset2timeEntries);
    tfra.setTrackId(track.getTrackMetaData().getTrackId());
    return tfra;
}