Initial commitHEADtrunk

1 files changed, 35 insertions, 0 deletions

diff --git a/src/boxes/mehd.rs b/src/boxes/mehd.rs
new file mode 100644
index 0000000..74082c1
--- /dev/null
+++ b/src/boxes/mehd.rs
@@ -0,0 +1,35 @@
+use byteorder::{BigEndian, ByteOrder};
+use four_cc::FourCC;
+
+use bytes::{BufMut, BytesMut};
+
+use crate::Mp4BoxError;
+use crate::{FullBoxHeader, Mp4Box};
+
+use std::mem::size_of;
+
+pub struct MovieExtendsHeaderBox {
+    pub fragment_duration: u64,
+}
+
+impl Mp4Box for MovieExtendsHeaderBox {
+    const NAME: FourCC = FourCC(*b"mehd");
+
+    fn get_full_box_header(&self) -> Option<FullBoxHeader> {
+        Some(FullBoxHeader::new(1, 0))
+    }
+
+    fn content_size(&self) -> u64 {
+        size_of::<u64>() as u64 // fragment_duration
+    }
+
+    fn write_box_contents(&self, writer: &mut BytesMut) -> Result<(), Mp4BoxError> {
+        let mut contents = [0u8; 8];
+
+        BigEndian::write_u64(&mut contents[..], self.fragment_duration);
+
+        writer.put_slice(&contents);
+
+        Ok(())
+    }
+}