1 files changed, 28 insertions, 0 deletions
diff --git a/src/boxes/trak.rs b/src/boxes/trak.rs
new file mode 100644
index 0000000..bb3630f
--- /dev/null
+++ b/src/boxes/trak.rs
@@ -0,0 +1,28 @@
+use four_cc::FourCC;
+
+use bytes::BytesMut;
+
+use crate::Mp4Box;
+use crate::Mp4BoxError;
+
+use super::{MediaBox, TrackHeaderBox};
+
+pub struct TrackBox {
+    pub tkhd: TrackHeaderBox,
+    pub mdia: MediaBox,
+}
+
+impl Mp4Box for TrackBox {
+    const NAME: FourCC = FourCC(*b"trak");
+
+    fn content_size(&self) -> u64 {
+        self.tkhd.size() + self.mdia.size()
+    }
+
+    fn write_box_contents(&self, writer: &mut BytesMut) -> Result<(), Mp4BoxError> {
+        self.tkhd.write(writer)?;
+        self.mdia.write(writer)?;
+
+        Ok(())
+    }
+}