flowly_mp4/mp4box/
moof.rs

1use serde::Serialize;
2use std::io::Write;
3
4use crate::mp4box::*;
5use crate::mp4box::{mfhd::MfhdBox, traf::TrafBox};
6
7#[derive(Debug, Clone, PartialEq, Eq, Default, Serialize)]
8pub struct MoofBox {
9    pub mfhd: MfhdBox,
10
11    #[serde(rename = "traf")]
12    pub trafs: Vec<TrafBox>,
13}
14
15impl MoofBox {
16    pub fn get_type(&self) -> BoxType {
17        BoxType::MoofBox
18    }
19
20    pub fn get_size(&self) -> u64 {
21        let mut size = HEADER_SIZE + self.mfhd.box_size();
22        for traf in self.trafs.iter() {
23            size += traf.box_size();
24        }
25        size
26    }
27}
28
29impl Mp4Box for MoofBox {
30    const TYPE: BoxType = BoxType::MoofBox;
31
32    fn box_size(&self) -> u64 {
33        self.get_size()
34    }
35
36    fn to_json(&self) -> Result<String, Error> {
37        Ok(serde_json::to_string(&self).unwrap())
38    }
39
40    fn summary(&self) -> Result<String, Error> {
41        let s = format!("trafs={}", self.trafs.len());
42        Ok(s)
43    }
44}
45
46impl BlockReader for MoofBox {
47    fn read_block<'a>(reader: &mut impl Reader<'a>) -> Result<Self, Error> {
48        let mut mfhd = None;
49        let mut trafs = Vec::new();
50
51        while let Some(mut bx) = reader.get_box()? {
52            match bx.kind {
53                BoxType::MfhdBox => {
54                    mfhd = Some(bx.read()?);
55                }
56
57                BoxType::TrafBox => {
58                    trafs.push(bx.read()?);
59                }
60
61                _ => continue,
62            }
63        }
64
65        if mfhd.is_none() {
66            return Err(Error::BoxNotFound(BoxType::MfhdBox));
67        }
68
69        Ok(MoofBox {
70            mfhd: mfhd.unwrap(),
71            trafs,
72        })
73    }
74
75    fn size_hint() -> usize {
76        MfhdBox::size_hint()
77    }
78}
79
80impl<W: Write> WriteBox<&mut W> for MoofBox {
81    fn write_box(&self, writer: &mut W) -> Result<u64, Error> {
82        let size = self.box_size();
83        BoxHeader::new(Self::TYPE, size).write(writer)?;
84
85        self.mfhd.write_box(writer)?;
86        for traf in self.trafs.iter() {
87            traf.write_box(writer)?;
88        }
89        Ok(0)
90    }
91}
flowly_mp4/mp4box/moof.rs

flowly_mp4/mp4box/
moof.rs
