diff options
Diffstat (limited to 'isoparser/src/main/java/com/googlecode/mp4parser/.svn/text-base/FullContainerBox.java.svn-base')
-rw-r--r-- | isoparser/src/main/java/com/googlecode/mp4parser/.svn/text-base/FullContainerBox.java.svn-base | 159 |
1 files changed, 159 insertions, 0 deletions
diff --git a/isoparser/src/main/java/com/googlecode/mp4parser/.svn/text-base/FullContainerBox.java.svn-base b/isoparser/src/main/java/com/googlecode/mp4parser/.svn/text-base/FullContainerBox.java.svn-base new file mode 100644 index 0000000..d16e47d --- /dev/null +++ b/isoparser/src/main/java/com/googlecode/mp4parser/.svn/text-base/FullContainerBox.java.svn-base @@ -0,0 +1,159 @@ +/* + * Copyright 2008 CoreMedia AG, Hamburg + * + * 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. + */ + +package com.googlecode.mp4parser; + +import com.coremedia.iso.BoxParser; +import com.coremedia.iso.boxes.Box; +import com.coremedia.iso.boxes.ContainerBox; +import com.googlecode.mp4parser.util.ByteBufferByteChannel; + +import java.io.IOException; +import java.nio.ByteBuffer; +import java.nio.channels.ReadableByteChannel; +import java.nio.channels.WritableByteChannel; +import java.util.ArrayList; +import java.util.LinkedList; +import java.util.List; +import java.util.logging.Logger; + +/** + * Abstract base class for a full iso box only containing ither boxes. + */ +public abstract class FullContainerBox extends AbstractFullBox implements ContainerBox { + protected List<Box> boxes = new LinkedList<Box>(); + private static Logger LOG = Logger.getLogger(FullContainerBox.class.getName()); + BoxParser boxParser; + + public void setBoxes(List<Box> boxes) { + this.boxes = new LinkedList<Box>(boxes); + } + + @SuppressWarnings("unchecked") + public <T extends Box> List<T> getBoxes(Class<T> clazz) { + return getBoxes(clazz, false); + } + + @SuppressWarnings("unchecked") + public <T extends Box> List<T> getBoxes(Class<T> clazz, boolean recursive) { + List<T> boxesToBeReturned = new ArrayList<T>(2); + for (Box boxe : boxes) { //clazz.isInstance(boxe) / clazz == boxe.getClass()? + if (clazz == boxe.getClass()) { + boxesToBeReturned.add((T) boxe); + } + + if (recursive && boxe instanceof ContainerBox) { + boxesToBeReturned.addAll((((ContainerBox) boxe).getBoxes(clazz, recursive))); + } + } + // Optimize here! Spare object creation work on arrays directly! System.arrayCopy + return boxesToBeReturned; + //return (T[]) boxesToBeReturned.toArray(); + } + + protected long getContentSize() { + long contentSize = 4; // flags and version + for (Box boxe : boxes) { + contentSize += boxe.getSize(); + } + return contentSize; + } + + public void addBox(Box b) { + b.setParent(this); + boxes.add(b); + } + + public void removeBox(Box b) { + b.setParent(null); + boxes.remove(b); + } + + public FullContainerBox(String type) { + super(type); + } + + public List<Box> getBoxes() { + return boxes; + } + + @Override + public void parse(ReadableByteChannel readableByteChannel, ByteBuffer header, long contentSize, BoxParser boxParser) throws IOException { + super.parse(readableByteChannel, header, contentSize, boxParser); + this.boxParser = boxParser; + } + + @Override + public void _parseDetails(ByteBuffer content) { + parseVersionAndFlags(content); + parseChildBoxes(content); + } + + protected final void parseChildBoxes(ByteBuffer content) { + try { + while (content.remaining() >= 8) { // 8 is the minimal size for a sane box + boxes.add(boxParser.parseBox(new ByteBufferByteChannel(content), this)); + } + + if (content.remaining() != 0) { + setDeadBytes(content.slice()); + LOG.severe("Some sizes are wrong"); + } + } catch (IOException e) { + throw new RuntimeException(e); + } + } + + public String toString() { + StringBuilder buffer = new StringBuilder(); + buffer.append(this.getClass().getSimpleName()).append("["); + for (int i = 0; i < boxes.size(); i++) { + if (i > 0) { + buffer.append(";"); + } + buffer.append(boxes.get(i).toString()); + } + buffer.append("]"); + return buffer.toString(); + } + + + protected void getContent(ByteBuffer byteBuffer) { + writeVersionAndFlags(byteBuffer); + writeChildBoxes(byteBuffer); + } + + protected final void writeChildBoxes(ByteBuffer bb) { + WritableByteChannel wbc = new ByteBufferByteChannel(bb); + for (Box box : boxes) { + try { + box.getBox(wbc); + } catch (IOException e) { + // cannot happen since my WritableByteChannel won't throw any excpetion + throw new RuntimeException("Cannot happen.", e); + } + + } + } + + public long getNumOfBytesToFirstChild() { + long sizeOfChildren = 0; + for (Box box : boxes) { + sizeOfChildren += box.getSize(); + } + return getSize() - sizeOfChildren; + } +} |