1 files changed, 113 insertions, 0 deletions
diff --git a/isoparser/src/main/java/com/coremedia/iso/boxes/MetaBox.java b/isoparser/src/main/java/com/coremedia/iso/boxes/MetaBox.java
new file mode 100644
index 0000000..35499ec
--- /dev/null
+++ b/isoparser/src/main/java/com/coremedia/iso/boxes/MetaBox.java
@@ -0,0 +1,113 @@
+/*  
+ * 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.coremedia.iso.boxes;
+
+import com.coremedia.iso.IsoTypeReader;
+import com.coremedia.iso.IsoTypeWriter;
+import com.googlecode.mp4parser.AbstractContainerBox;
+import com.googlecode.mp4parser.util.ByteBufferByteChannel;
+
+import java.io.IOException;
+import java.nio.ByteBuffer;
+
+
+/**
+ * A common base structure to contain general metadata. See ISO/IEC 14496-12 Ch. 8.44.1.
+ */
+public class MetaBox extends AbstractContainerBox {
+    private int version = 0;
+    private int flags = 0;
+
+    public static final String TYPE = "meta";
+
+    public MetaBox() {
+        super(TYPE);
+    }
+
+    @Override
+    public long getContentSize() {
+        if (isMp4Box()) {
+            // it's a fullbox
+            return 4 + super.getContentSize();
+        } else {
+            // it's an apple metabox
+            return super.getContentSize();
+        }
+    }
+
+    @Override
+    public long getNumOfBytesToFirstChild() {
+        if (isMp4Box()) {
+            // it's a fullbox
+            return 12;
+        } else {
+            // it's an apple metabox
+            return 8;
+        }
+    }
+
+    @Override
+    public void _parseDetails(ByteBuffer content) {
+        int pos = content.position();
+        content.get(new byte[4]);
+        String isHdlr = IsoTypeReader.read4cc(content);
+        if ("hdlr".equals(isHdlr)) {
+            //  this is apple bullshit - it's NO FULLBOX
+            content.position(pos);
+            version = -1;
+            flags = -1;
+        } else {
+            content.position(pos);
+            version = IsoTypeReader.readUInt8(content);
+            flags = IsoTypeReader.readUInt24(content);
+        }
+        while (content.remaining() >= 8) {
+            try {
+                boxes.add(boxParser.parseBox(new ByteBufferByteChannel(content), this));
+            } catch (IOException e) {
+                throw new RuntimeException("Sebastian needs to fix 7518765283");
+            }
+        }
+        if (content.remaining() > 0) {
+            throw new RuntimeException("Sebastian needs to fix it 90732r26537");
+        }
+    }
+
+    @Override
+    protected void getContent(ByteBuffer byteBuffer) {
+        if (isMp4Box()) {
+            IsoTypeWriter.writeUInt8(byteBuffer, version);
+            IsoTypeWriter.writeUInt24(byteBuffer, flags);
+        }
+        writeChildBoxes(byteBuffer);
+    }
+
+
+    public boolean isMp4Box() {
+        return version != -1 && flags != -1;
+    }
+
+    public void setMp4Box(boolean mp4) {
+        if (mp4) {
+            version = 0;
+            flags = 0;
+        } else {
+            version = -1;
+            flags = -1;
+        }
+    }
+}