mp4_atom/moov/trak/mdia/minf/stbl/stsd/hevc/
hev1.rs

1use crate::*;
2
3#[derive(Debug, Clone, PartialEq, Eq, Default)]
4#[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
5pub struct Hev1 {
6    pub visual: Visual,
7    pub hvcc: Hvcc,
8    pub btrt: Option<Btrt>,
9    pub colr: Option<Colr>,
10    pub pasp: Option<Pasp>,
11    pub taic: Option<Taic>,
12    pub fiel: Option<Fiel>,
13}
14
15impl Atom for Hev1 {
16    const KIND: FourCC = FourCC::new(b"hev1");
17
18    fn decode_body<B: Buf>(buf: &mut B) -> Result<Self> {
19        let visual = Visual::decode(buf)?;
20
21        let mut hvcc = None;
22        let mut btrt = None;
23        let mut colr = None;
24        let mut pasp = None;
25        let mut taic = None;
26        let mut fiel = None;
27        while let Some(atom) = Any::decode_maybe(buf)? {
28            match atom {
29                Any::Hvcc(atom) => hvcc = atom.into(),
30                Any::Btrt(atom) => btrt = atom.into(),
31                Any::Colr(atom) => colr = atom.into(),
32                Any::Pasp(atom) => pasp = atom.into(),
33                Any::Taic(atom) => taic = atom.into(),
34                Any::Fiel(atom) => fiel = atom.into(),
35                unknown => Self::decode_unknown(&unknown)?,
36            }
37        }
38
39        Ok(Hev1 {
40            visual,
41            hvcc: hvcc.ok_or(Error::MissingBox(Hvcc::KIND))?,
42            btrt,
43            colr,
44            pasp,
45            taic,
46            fiel,
47        })
48    }
49
50    fn encode_body<B: BufMut>(&self, buf: &mut B) -> Result<()> {
51        self.visual.encode(buf)?;
52        self.hvcc.encode(buf)?;
53        self.btrt.encode(buf)?;
54        self.colr.encode(buf)?;
55        self.pasp.encode(buf)?;
56        self.taic.encode(buf)?;
57        self.fiel.encode(buf)?;
58        Ok(())
59    }
60}
61
62#[cfg(test)]
63mod tests {
64    use super::*;
65
66    #[test]
67    fn test_hev1() {
68        let expected = Hev1 {
69            visual: Visual {
70                data_reference_index: 1,
71                width: 320,
72                height: 240,
73                horizresolution: 0x48.into(),
74                vertresolution: 0x48.into(),
75                frame_count: 1,
76                compressor: "ya boy".into(),
77                depth: 24,
78            },
79            hvcc: Hvcc {
80                configuration_version: 1,
81                ..Default::default()
82            },
83            btrt: None,
84            colr: None,
85            pasp: None,
86            taic: None,
87            fiel: None,
88        };
89        let mut buf = Vec::new();
90        expected.encode(&mut buf).unwrap();
91
92        let mut buf = buf.as_ref();
93        let decoded = Hev1::decode(&mut buf).unwrap();
94        assert_eq!(decoded, expected);
95    }
96}
mp4_atom/moov/trak/mdia/minf/stbl/stsd/hevc/hev1.rs

mp4_atom/moov/trak/mdia/minf/stbl/stsd/hevc/
hev1.rs
