From 9e6e4962f2346a3fbd96ab3e6c331858ef6ec0d1 Mon Sep 17 00:00:00 2001
From: Felix Kaaman <tmtu@tmtu.ee>
Date: Thu, 7 Jan 2021 20:32:49 +0100
Subject: Initial commit

---
 src/boxes/avc1.rs | 62 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 62 insertions(+)
 create mode 100644 src/boxes/avc1.rs

(limited to 'src/boxes/avc1.rs')

diff --git a/src/boxes/avc1.rs b/src/boxes/avc1.rs
new file mode 100644
index 0000000..dc306e5
--- /dev/null
+++ b/src/boxes/avc1.rs
@@ -0,0 +1,62 @@
+use byteorder::{BigEndian, WriteBytesExt};
+use four_cc::FourCC;
+
+use bytes::{BufMut, BytesMut};
+
+use crate::Mp4Box;
+use crate::Mp4BoxError;
+
+use super::AvcConfigurationBox;
+
+use std::mem::size_of;
+
+pub struct AvcSampleEntryBox {
+    pub width: u16,
+    pub height: u16,
+    pub avcc: AvcConfigurationBox,
+}
+
+impl Mp4Box for AvcSampleEntryBox {
+    const NAME: FourCC = FourCC(*b"avc1");
+
+    fn content_size(&self) -> u64 {
+        size_of::<u8>() as u64 * 6
+            + size_of::<u16>() as u64
+            + size_of::<u8>() as u64 * 16
+            + size_of::<u16>() as u64
+            + size_of::<u16>() as u64
+            + size_of::<u32>() as u64
+            + size_of::<u32>() as u64
+            + size_of::<u8>() as u64 * 4
+            + size_of::<u16>() as u64
+            + size_of::<u8>() as u64 * 32
+            + size_of::<u16>() as u64
+            + size_of::<i16>() as u64
+            + self.avcc.size()
+    }
+
+    fn write_box_contents(&self, writer: &mut BytesMut) -> Result<(), Mp4BoxError> {
+        let mut v = Vec::new();
+
+        v.extend(&[0u8; 6]);
+        v.write_u16::<BigEndian>(1)?;
+
+        v.extend(&[0u8; 16]);
+
+        v.write_u16::<BigEndian>(self.width)?;
+        v.write_u16::<BigEndian>(self.height)?;
+        v.write_u32::<BigEndian>(0x0048_0000)?;
+        v.write_u32::<BigEndian>(0x0048_0000)?;
+        v.extend(&[0u8; 4]);
+        v.write_u16::<BigEndian>(1)?;
+        v.extend(&[0u8; 32]);
+        v.write_u16::<BigEndian>(0x0018)?;
+        v.write_i16::<BigEndian>(-1)?;
+
+        writer.put_slice(&v);
+
+        self.avcc.write(writer)?;
+
+        Ok(())
+    }
+}
-- 
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