mp4_atom/moov/udta/
mod.rs

1mod cprt;
2mod kind;
3mod rtng;
4mod skip;
5
6pub use cprt::*;
7pub use kind::*;
8pub use rtng::*;
9pub use skip::*;
10
11use crate::*;
12
13#[derive(Debug, Clone, PartialEq, Eq, Default)]
14#[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
15pub struct Udta {
16    pub cprt: Option<Cprt>,
17    pub kind: Option<Kind>,
18    pub meta: Option<Meta>,
19    pub rtng: Option<Rtng>,
20}
21
22impl Atom for Udta {
23    const KIND: FourCC = FourCC::new(b"udta");
24
25    nested! {
26        required: [ ],
27        optional: [ Cprt, Meta, Kind, Rtng ],
28        multiple: [ ],
29    }
30}
31
32#[cfg(test)]
33mod tests {
34    use super::*;
35
36    #[test]
37    fn test_udta_empty() {
38        let expected = Udta {
39            cprt: None,
40            meta: None,
41            kind: None,
42            rtng: None,
43        };
44
45        let mut buf = Vec::new();
46        expected.encode(&mut buf).unwrap();
47
48        let mut buf = buf.as_ref();
49        let output = Udta::decode(&mut buf).unwrap();
50        assert_eq!(output, expected);
51    }
52
53    #[test]
54    fn test_udta() {
55        let expected = Udta {
56            cprt: Some(Cprt {
57                language: "und".into(),
58                notice: "MIT or Apache".into(),
59            }),
60            meta: Some(Meta {
61                hdlr: Hdlr {
62                    handler: FourCC::new(b"fake"),
63                    name: "".into(),
64                },
65                items: vec![],
66            }),
67            kind: Some(Kind {
68                scheme_uri: "http://www.w3.org/TR/html5/".into(),
69                value: "".into(),
70            }),
71            rtng: Some(Rtng {
72                entity: b"BBFC".into(),
73                criteria: b"PG13".into(),
74                language: "eng".into(),
75                rating_info: "test info".into(),
76            }),
77        };
78
79        let mut buf = Vec::new();
80        expected.encode(&mut buf).unwrap();
81
82        let mut buf = buf.as_ref();
83        let output = Udta::decode(&mut buf).unwrap();
84        assert_eq!(output, expected);
85    }
86
87    // From MPEG File Format Conformance, isobmff/02_dref_edts_img.mp4
88    const ENCODED_UDTA_WITH_CPRT: &[u8] = &[
89        0x00, 0x00, 0x00, 0x70, 0x75, 0x64, 0x74, 0x61, 0x00, 0x00, 0x00, 0x68, 0x63, 0x70, 0x72,
90        0x74, 0x00, 0x00, 0x00, 0x00, 0x55, 0xc4, 0x45, 0x4e, 0x53, 0x54, 0x20, 0x49, 0x73, 0x6f,
91        0x4d, 0x65, 0x64, 0x69, 0x61, 0x20, 0x43, 0x6f, 0x6e, 0x66, 0x6f, 0x72, 0x6d, 0x61, 0x6e,
92        0x63, 0x65, 0x20, 0x46, 0x69, 0x6c, 0x65, 0x73, 0x20, 0x2d, 0x20, 0x45, 0x4e, 0x53, 0x54,
93        0x20, 0x28, 0x63, 0x29, 0x20, 0x32, 0x30, 0x30, 0x36, 0x20, 0x2d, 0x20, 0x52, 0x69, 0x67,
94        0x68, 0x74, 0x73, 0x20, 0x72, 0x65, 0x6c, 0x65, 0x61, 0x73, 0x65, 0x64, 0x20, 0x66, 0x6f,
95        0x72, 0x20, 0x49, 0x53, 0x4f, 0x20, 0x43, 0x6f, 0x6e, 0x66, 0x6f, 0x72, 0x6d, 0x61, 0x6e,
96        0x63, 0x65, 0x20, 0x75, 0x73, 0x65, 0x00,
97    ];
98
99    #[test]
100    fn test_udta_cprt() {
101        let mut buf = std::io::Cursor::new(ENCODED_UDTA_WITH_CPRT);
102
103        let udta = Udta::decode(&mut buf).expect("failed to decode udta");
104
105        assert_eq!(
106            udta,
107            Udta {
108                cprt: Some(Cprt { language: "und".into(), notice: "ENST IsoMedia Conformance Files - ENST (c) 2006 - Rights released for ISO Conformance use".into() }),
109                ..Default::default()
110            }
111        );
112
113        let mut buf = Vec::new();
114        udta.encode(&mut buf).unwrap();
115
116        assert_eq!(buf, ENCODED_UDTA_WITH_CPRT);
117    }
118
119    // From MPEG File Format Conformance, nalu/hevc/hev1_clg1_header.mp4
120    const ENCODED_UDTA_WITH_KIND: &[u8] = &[
121        0x00, 0x00, 0x00, 0x31, 0x75, 0x64, 0x74, 0x61, 0x00, 0x00, 0x00, 0x29, 0x6b, 0x69, 0x6e,
122        0x64, 0x00, 0x00, 0x00, 0x00, 0x75, 0x72, 0x6e, 0x3a, 0x6d, 0x70, 0x65, 0x67, 0x3a, 0x64,
123        0x61, 0x73, 0x68, 0x3a, 0x72, 0x6f, 0x6c, 0x65, 0x3a, 0x32, 0x30, 0x31, 0x31, 0x00, 0x6d,
124        0x61, 0x69, 0x6e, 0x00,
125    ];
126
127    #[test]
128    fn test_udta_kind() {
129        let mut buf = std::io::Cursor::new(ENCODED_UDTA_WITH_KIND);
130
131        let udta = Udta::decode(&mut buf).expect("failed to decode udta");
132
133        assert_eq!(
134            udta,
135            Udta {
136                kind: Some(Kind {
137                    scheme_uri: "urn:mpeg:dash:role:2011".into(),
138                    value: "main".into()
139                }),
140                ..Default::default()
141            }
142        );
143
144        let mut buf = Vec::new();
145        udta.encode(&mut buf).unwrap();
146
147        assert_eq!(buf, ENCODED_UDTA_WITH_KIND);
148    }
149}
mp4_atom/moov/udta/mod.rs

mp4_atom/moov/udta/
mod.rs
