mp4_atom/meta/ilst/
mod.rs

1mod covr;
2mod desc;
3mod name;
4mod year;
5
6pub use covr::*;
7pub use desc::*;
8pub use name::*;
9pub use year::*;
10
11use crate::*;
12
13#[derive(Debug, Clone, PartialEq, Eq, Default)]
14#[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
15pub struct Ilst {
16    pub name: Option<Name>,
17    pub year: Option<Year>, // Called day in the spec
18    pub covr: Option<Covr>,
19    pub desc: Option<Desc>,
20}
21
22impl Atom for Ilst {
23    const KIND: FourCC = FourCC::new(b"ilst");
24
25    fn decode_body<B: Buf>(buf: &mut B) -> Result<Self> {
26        let mut name = None;
27        let mut year = None;
28        let mut covr = None;
29        let mut desc = None;
30
31        while let Some(atom) = Any::decode_maybe(buf)? {
32            match atom {
33                Any::Name(atom) => name = atom.into(),
34                Any::Year(atom) => year = atom.into(),
35                Any::Covr(atom) => covr = atom.into(),
36                Any::Desc(atom) => desc = atom.into(),
37                Any::Unknown(kind, _) => tracing::warn!("unknown atom: {:?}", kind),
38                atom => return Err(Error::UnexpectedBox(atom.kind())),
39            }
40        }
41
42        Ok(Ilst {
43            name,
44            year,
45            covr,
46            desc,
47        })
48    }
49
50    fn encode_body<B: BufMut>(&self, buf: &mut B) -> Result<()> {
51        self.name.encode(buf)?;
52        self.year.encode(buf)?;
53        self.covr.encode(buf)?;
54        self.desc.encode(buf)?;
55        Ok(())
56    }
57}
58
59#[cfg(test)]
60mod tests {
61    use super::*;
62
63    #[test]
64    fn test_ilst() {
65        let expected = Ilst {
66            year: Year("src_year".to_string()).into(),
67            ..Default::default()
68        };
69
70        let mut buf = Vec::new();
71        expected.encode(&mut buf).unwrap();
72
73        let mut buf = buf.as_ref();
74        let decoded = Ilst::decode(&mut buf).unwrap();
75        assert_eq!(decoded, expected);
76    }
77
78    #[test]
79    fn test_ilst_empty() {
80        let expected = Ilst::default();
81        let mut buf = Vec::new();
82        expected.encode(&mut buf).unwrap();
83
84        let mut buf = buf.as_ref();
85        let decoded = Ilst::decode(&mut buf).unwrap();
86        assert_eq!(decoded, expected);
87    }
88}
mp4_atom/meta/ilst/mod.rs

mp4_atom/meta/ilst/
mod.rs
