1 files changed, 108 insertions, 0 deletions
diff --git a/isoparser/src/main/java/com/coremedia/iso/boxes/dece/TrickPlayBox.java b/isoparser/src/main/java/com/coremedia/iso/boxes/dece/TrickPlayBox.java
new file mode 100644
index 0000000..24d5712
--- /dev/null
+++ b/isoparser/src/main/java/com/coremedia/iso/boxes/dece/TrickPlayBox.java
@@ -0,0 +1,108 @@
+package com.coremedia.iso.boxes.dece;
+
+import com.coremedia.iso.IsoTypeReader;
+import com.coremedia.iso.IsoTypeWriter;
+import com.googlecode.mp4parser.AbstractFullBox;
+
+import java.nio.ByteBuffer;
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * aligned(8) class TrickPlayBox
+ * extends FullBox(‘trik’, version=0, flags=0)
+ * {
+ * for (i=0; I < sample_count; i++) {
+ * unsigned int(2) pic_type;
+ * unsigned int(6) dependency_level;
+ * }
+ * }
+ */
+public class TrickPlayBox extends AbstractFullBox {
+    public static final String TYPE = "trik";
+
+    private List<Entry> entries = new ArrayList<Entry>();
+
+    public TrickPlayBox() {
+        super(TYPE);
+    }
+
+    public void setEntries(List<Entry> entries) {
+        this.entries = entries;
+    }
+
+    public List<Entry> getEntries() {
+        return entries;
+    }
+
+    public static class Entry {
+
+        public Entry() {
+        }
+
+        public Entry(int value) {
+            this.value = value;
+        }
+
+
+        private int value;
+
+        public int getPicType() {
+            return (value >> 6) & 0x03;
+        }
+
+        public void setPicType(int picType) {
+            value = value & (0xff >> 3);
+            value = (picType & 0x03) << 6 | value;
+        }
+
+        public int getDependencyLevel() {
+            return value & 0x3f;
+        }
+
+        public void setDependencyLevel(int dependencyLevel) {
+            value = (dependencyLevel & 0x3f) | value;
+        }
+
+
+        @Override
+        public String toString() {
+            final StringBuilder sb = new StringBuilder();
+            sb.append("Entry");
+            sb.append("{picType=").append(getPicType());
+            sb.append(",dependencyLevel=").append(getDependencyLevel());
+            sb.append('}');
+            return sb.toString();
+        }
+    }
+
+    @Override
+    protected long getContentSize() {
+        return 4 + entries.size();
+    }
+
+    @Override
+    public void _parseDetails(ByteBuffer content) {
+        parseVersionAndFlags(content);
+        while (content.remaining() > 0) {
+            entries.add(new Entry(IsoTypeReader.readUInt8(content)));
+        }
+    }
+
+    @Override
+    protected void getContent(ByteBuffer byteBuffer) {
+        writeVersionAndFlags(byteBuffer);
+        for (Entry entry : entries) {
+            IsoTypeWriter.writeUInt8(byteBuffer, entry.value);
+        }
+    }
+
+    @Override
+    public String toString() {
+        final StringBuilder sb = new StringBuilder();
+        sb.append("TrickPlayBox");
+        sb.append("{entries=").append(entries);
+        sb.append('}');
+        return sb.toString();
+    }
+}