mp4_atom/meta/properties/
auxc.rs

1use crate::*;
2
3// AuxiliaryTypeProperty, ISO/IEC 23008-12 Section 6.5.8
4// Describes auxiliary images (e.g. alpha planes).
5
6#[derive(Debug, Clone, PartialEq, Eq, Default)]
7#[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
8pub struct Auxc {
9    pub aux_type: String,
10    pub aux_subtype: Vec<u8>,
11}
12
13impl AtomExt for Auxc {
14    type Ext = ();
15
16    const KIND_EXT: FourCC = FourCC::new(b"auxC");
17
18    fn decode_body_ext<B: Buf>(buf: &mut B, _ext: ()) -> Result<Self> {
19        let aux_type = String::decode(buf)?;
20        let aux_subtype = Vec::decode(buf)?;
21        Ok(Auxc {
22            aux_type,
23            aux_subtype,
24        })
25    }
26
27    fn encode_body_ext<B: BufMut>(&self, buf: &mut B) -> Result<()> {
28        self.aux_type.as_str().encode(buf)?;
29        self.aux_subtype.encode(buf)?;
30        Ok(())
31    }
32}
33
34#[cfg(test)]
35mod tests {
36    use std::vec;
37
38    use super::*;
39
40    #[test]
41    fn test_auxc() {
42        let expected = Auxc {
43            aux_type: "something".to_string(),
44            aux_subtype: vec![3, 2, 1],
45        };
46        let mut buf = Vec::new();
47        expected.encode(&mut buf).unwrap();
48
49        let mut buf = buf.as_ref();
50        let decoded = Auxc::decode(&mut buf).unwrap();
51        assert_eq!(decoded, expected);
52    }
53}
mp4_atom/meta/properties/auxc.rs

mp4_atom/meta/properties/
auxc.rs
