1 files changed, 93 insertions, 0 deletions
diff --git a/isoparser/src/main/java/com/googlecode/mp4parser/boxes/AbstractTrackEncryptionBox.java b/isoparser/src/main/java/com/googlecode/mp4parser/boxes/AbstractTrackEncryptionBox.java
new file mode 100644
index 0000000..fe35fde
--- /dev/null
+++ b/isoparser/src/main/java/com/googlecode/mp4parser/boxes/AbstractTrackEncryptionBox.java
@@ -0,0 +1,93 @@
+package com.googlecode.mp4parser.boxes;
+
+import com.coremedia.iso.IsoTypeReader;
+import com.coremedia.iso.IsoTypeWriter;
+import com.googlecode.mp4parser.AbstractFullBox;
+
+import java.nio.ByteBuffer;
+import java.nio.ByteOrder;
+import java.util.Arrays;
+import java.util.UUID;
+
+/**
+ *
+ */
+public abstract class AbstractTrackEncryptionBox extends AbstractFullBox {
+    int defaultAlgorithmId;
+    int defaultIvSize;
+    byte[] default_KID;
+
+    protected AbstractTrackEncryptionBox(String type) {
+        super(type);
+    }
+
+    public int getDefaultAlgorithmId() {
+        return defaultAlgorithmId;
+    }
+
+    public void setDefaultAlgorithmId(int defaultAlgorithmId) {
+        this.defaultAlgorithmId = defaultAlgorithmId;
+    }
+
+    public int getDefaultIvSize() {
+        return defaultIvSize;
+    }
+
+    public void setDefaultIvSize(int defaultIvSize) {
+        this.defaultIvSize = defaultIvSize;
+    }
+
+    public String getDefault_KID() {
+        ByteBuffer b = ByteBuffer.wrap(default_KID);
+        b.order(ByteOrder.BIG_ENDIAN);
+        return new UUID(b.getLong(), b.getLong()).toString();
+    }
+
+    public void setDefault_KID(byte[] default_KID) {
+        this.default_KID = default_KID;
+    }
+
+    @Override
+    public void _parseDetails(ByteBuffer content) {
+        parseVersionAndFlags(content);
+        defaultAlgorithmId = IsoTypeReader.readUInt24(content);
+        defaultIvSize = IsoTypeReader.readUInt8(content);
+        default_KID = new byte[16];
+        content.get(default_KID);
+    }
+
+    @Override
+    protected void getContent(ByteBuffer byteBuffer) {
+        writeVersionAndFlags(byteBuffer);
+        IsoTypeWriter.writeUInt24(byteBuffer, defaultAlgorithmId);
+        IsoTypeWriter.writeUInt8(byteBuffer, defaultIvSize);
+        byteBuffer.put(default_KID);
+    }
+
+    @Override
+    protected long getContentSize() {
+        return 24;
+    }
+
+    @Override
+    public boolean equals(Object o) {
+        if (this == o) return true;
+        if (o == null || getClass() != o.getClass()) return false;
+
+        AbstractTrackEncryptionBox that = (AbstractTrackEncryptionBox) o;
+
+        if (defaultAlgorithmId != that.defaultAlgorithmId) return false;
+        if (defaultIvSize != that.defaultIvSize) return false;
+        if (!Arrays.equals(default_KID, that.default_KID)) return false;
+
+        return true;
+    }
+
+    @Override
+    public int hashCode() {
+        int result = defaultAlgorithmId;
+        result = 31 * result + defaultIvSize;
+        result = 31 * result + (default_KID != null ? Arrays.hashCode(default_KID) : 0);
+        return result;
+    }
+}