mirror of
https://github.com/alfg/mp4-rust.git
synced 2024-05-20 01:08:06 +00:00
73 lines
1.6 KiB
Rust
73 lines
1.6 KiB
Rust
use serde::Serialize;
|
|
use std::io::Write;
|
|
|
|
use crate::mp4box::*;
|
|
use crate::mp4box::{mehd::MehdBox, trex::TrexBox};
|
|
|
|
#[derive(Debug, Clone, PartialEq, Eq, Default, Serialize)]
|
|
pub struct MvexBox {
|
|
pub mehd: Option<MehdBox>,
|
|
pub trex: TrexBox,
|
|
}
|
|
|
|
impl MvexBox {
|
|
pub fn get_type(&self) -> BoxType {
|
|
BoxType::MdiaBox
|
|
}
|
|
|
|
pub fn get_size(&self) -> u64 {
|
|
HEADER_SIZE + self.mehd.as_ref().map(|x| x.box_size()).unwrap_or(0) + self.trex.box_size()
|
|
}
|
|
}
|
|
|
|
impl Mp4Box for MvexBox {
|
|
const TYPE: BoxType = BoxType::MvexBox;
|
|
|
|
fn box_size(&self) -> u64 {
|
|
self.get_size()
|
|
}
|
|
|
|
fn to_json(&self) -> Result<String> {
|
|
Ok(serde_json::to_string(&self).unwrap())
|
|
}
|
|
|
|
fn summary(&self) -> Result<String> {
|
|
let s = String::new();
|
|
Ok(s)
|
|
}
|
|
}
|
|
|
|
impl BlockReader for MvexBox {
|
|
fn read_block<'a>(reader: &mut impl Reader<'a>) -> Result<Self> {
|
|
let (mehd, trex) = reader.try_find_box2::<MehdBox, TrexBox>()?;
|
|
|
|
if trex.is_none() {
|
|
return Err(Error::BoxNotFound(BoxType::TrexBox));
|
|
}
|
|
|
|
Ok(MvexBox {
|
|
mehd,
|
|
trex: trex.unwrap(),
|
|
})
|
|
}
|
|
|
|
fn size_hint() -> usize {
|
|
TrexBox::size_hint()
|
|
}
|
|
}
|
|
|
|
impl<W: Write> WriteBox<&mut W> for MvexBox {
|
|
fn write_box(&self, writer: &mut W) -> Result<u64> {
|
|
let size = self.box_size();
|
|
BoxHeader::new(Self::TYPE, size).write(writer)?;
|
|
|
|
if let Some(mehd) = &self.mehd {
|
|
mehd.write_box(writer)?;
|
|
}
|
|
|
|
self.trex.write_box(writer)?;
|
|
|
|
Ok(size)
|
|
}
|
|
}
|