mirror of
https://github.com/alfg/mp4-rust.git
synced 2024-05-20 01:08:06 +00:00
97 lines
2.2 KiB
Rust
97 lines
2.2 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::{dinf::DinfBox, smhd::SmhdBox, stbl::StblBox, vmhd::VmhdBox};
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#[derive(Debug, Clone, PartialEq, Eq, Default, Serialize)]
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pub struct MinfBox {
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#[serde(skip_serializing_if = "Option::is_none")]
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pub vmhd: Option<VmhdBox>,
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#[serde(skip_serializing_if = "Option::is_none")]
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pub smhd: Option<SmhdBox>,
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pub dinf: DinfBox,
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pub stbl: StblBox,
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}
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impl MinfBox {
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pub fn get_type(&self) -> BoxType {
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BoxType::MinfBox
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}
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pub fn get_size(&self) -> u64 {
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let mut size = HEADER_SIZE;
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if let Some(ref vmhd) = self.vmhd {
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size += vmhd.box_size();
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}
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if let Some(ref smhd) = self.smhd {
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size += smhd.box_size();
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}
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size += self.dinf.box_size();
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size += self.stbl.box_size();
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size
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}
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}
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impl Mp4Box for MinfBox {
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const TYPE: BoxType = BoxType::MinfBox;
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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 = String::new();
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Ok(s)
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}
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}
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impl BlockReader for MinfBox {
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fn read_block<'a>(reader: &mut impl Reader<'a>) -> Result<Self> {
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let (vmhd, smhd, dinf, stbl) = reader.try_find_box4()?;
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if dinf.is_none() {
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return Err(Error::BoxNotFound(BoxType::DinfBox));
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}
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if stbl.is_none() {
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return Err(Error::BoxNotFound(BoxType::StblBox));
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}
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Ok(MinfBox {
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vmhd,
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smhd,
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dinf: dinf.unwrap(),
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stbl: stbl.unwrap(),
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})
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}
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fn size_hint() -> usize {
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DinfBox::size_hint() + StblBox::size_hint()
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}
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}
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impl<W: Write> WriteBox<&mut W> for MinfBox {
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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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if let Some(ref vmhd) = self.vmhd {
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vmhd.write_box(writer)?;
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}
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if let Some(ref smhd) = self.smhd {
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smhd.write_box(writer)?;
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}
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self.dinf.write_box(writer)?;
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self.stbl.write_box(writer)?;
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Ok(size)
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}
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}
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