mp4_atom/meta/properties/
imir.rs

1use crate::*;
2
3// ImageMirror, ISO/IEC 23008-12 Section 6.5.12
4// Image mirror operation (transformative property).
5
6#[derive(Debug, Clone, PartialEq, Eq, Default)]
7#[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
8pub struct Imir {
9    pub axis: u8,
10}
11
12impl Atom for Imir {
13    const KIND: FourCC = FourCC::new(b"imir");
14
15    fn decode_body<B: Buf>(buf: &mut B) -> Result<Self> {
16        Ok(Imir {
17            axis: u8::decode(buf)?,
18        })
19    }
20
21    fn encode_body<B: BufMut>(&self, buf: &mut B) -> Result<()> {
22        self.axis.encode(buf)
23    }
24}
25
26#[cfg(test)]
27mod tests {
28    use super::*;
29
30    #[test]
31    fn test_imir() {
32        let expected = Imir { axis: 1 };
33        let mut buf = Vec::new();
34        expected.encode(&mut buf).unwrap();
35
36        let mut buf = buf.as_ref();
37        assert_eq!(buf, [0, 0, 0, 9, b'i', b'm', b'i', b'r', 1]);
38        let decoded = Imir::decode(&mut buf).unwrap();
39        assert_eq!(decoded, expected);
40    }
41}
mp4_atom/meta/properties/imir.rs

mp4_atom/meta/properties/
imir.rs
