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92 lines
2 KiB
Rust
92 lines
2 KiB
Rust
use serde::Serialize;
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use std::io::Write;
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use crate::mp4box::*;
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use crate::mp4box::{mfhd::MfhdBox, traf::TrafBox};
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#[derive(Debug, Clone, PartialEq, Eq, Default, Serialize)]
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pub struct MoofBox {
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pub mfhd: MfhdBox,
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#[serde(rename = "traf")]
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pub trafs: Vec<TrafBox>,
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}
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impl MoofBox {
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pub fn get_type(&self) -> BoxType {
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BoxType::MoofBox
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}
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pub fn get_size(&self) -> u64 {
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let mut size = HEADER_SIZE + self.mfhd.box_size();
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for traf in self.trafs.iter() {
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size += traf.box_size();
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}
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size
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}
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}
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impl Mp4Box for MoofBox {
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const TYPE: BoxType = BoxType::MoofBox;
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fn box_size(&self) -> u64 {
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self.get_size()
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}
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fn to_json(&self) -> Result<String> {
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Ok(serde_json::to_string(&self).unwrap())
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}
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fn summary(&self) -> Result<String> {
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let s = format!("trafs={}", self.trafs.len());
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Ok(s)
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}
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}
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impl BlockReader for MoofBox {
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fn read_block<'a>(reader: &mut impl Reader<'a>) -> Result<Self> {
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let mut mfhd = None;
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let mut trafs = Vec::new();
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while let Some(mut bx) = reader.get_box()? {
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match bx.kind {
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BoxType::MfhdBox => {
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mfhd = Some(bx.read()?);
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}
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BoxType::TrafBox => {
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trafs.push(bx.read()?);
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}
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_ => continue,
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}
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}
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if mfhd.is_none() {
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return Err(Error::BoxNotFound(BoxType::MfhdBox));
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}
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Ok(MoofBox {
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mfhd: mfhd.unwrap(),
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trafs,
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})
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}
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fn size_hint() -> usize {
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MfhdBox::size_hint()
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}
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}
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impl<W: Write> WriteBox<&mut W> for MoofBox {
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fn write_box(&self, writer: &mut W) -> Result<u64> {
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let size = self.box_size();
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BoxHeader::new(Self::TYPE, size).write(writer)?;
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self.mfhd.write_box(writer)?;
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for traf in self.trafs.iter() {
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traf.write_box(writer)?;
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}
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Ok(0)
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}
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}
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