flowly_mp4/mp4box/
mdia.rs

1use serde::Serialize;
2use std::io::Write;
3
4use crate::mp4box::*;
5use crate::mp4box::{hdlr::HdlrBox, mdhd::MdhdBox, minf::MinfBox};
6
7#[derive(Debug, Clone, PartialEq, Eq, Default, Serialize)]
8pub struct MdiaBox {
9    pub mdhd: MdhdBox,
10    pub hdlr: HdlrBox,
11    pub minf: MinfBox,
12}
13
14impl MdiaBox {
15    pub fn get_type(&self) -> BoxType {
16        BoxType::MdiaBox
17    }
18
19    pub fn get_size(&self) -> u64 {
20        HEADER_SIZE + self.mdhd.box_size() + self.hdlr.box_size() + self.minf.box_size()
21    }
22}
23
24impl Mp4Box for MdiaBox {
25    const TYPE: BoxType = BoxType::MdiaBox;
26
27    fn box_size(&self) -> u64 {
28        self.get_size()
29    }
30
31    fn to_json(&self) -> Result<String, Error> {
32        Ok(serde_json::to_string(&self).unwrap())
33    }
34
35    fn summary(&self) -> Result<String, Error> {
36        let s = String::new();
37        Ok(s)
38    }
39}
40
41impl BlockReader for MdiaBox {
42    fn read_block<'a>(reader: &mut impl Reader<'a>) -> Result<Self, Error> {
43        let (mdhd, hdlr, minf) = reader.find_box3()?;
44        Ok(MdiaBox { mdhd, hdlr, minf })
45    }
46
47    fn size_hint() -> usize {
48        0
49    }
50}
51
52impl<W: Write> WriteBox<&mut W> for MdiaBox {
53    fn write_box(&self, writer: &mut W) -> Result<u64, Error> {
54        let size = self.box_size();
55        BoxHeader::new(Self::TYPE, size).write(writer)?;
56
57        self.mdhd.write_box(writer)?;
58        self.hdlr.write_box(writer)?;
59        self.minf.write_box(writer)?;
60
61        Ok(size)
62    }
63}
flowly_mp4/mp4box/mdia.rs

flowly_mp4/mp4box/
mdia.rs
