mirror of
https://github.com/alfg/mp4-rust.git
synced 2024-05-09 03:52:53 +00:00
3ecfd0cc9d
* Run cargo clippy --fix * Run cargo fmt --all
185 lines
5.1 KiB
Rust
185 lines
5.1 KiB
Rust
use serde::Serialize;
|
|
use std::io::{Read, Seek, SeekFrom, Write};
|
|
|
|
use crate::mp4box::*;
|
|
use crate::mp4box::{
|
|
co64::Co64Box, ctts::CttsBox, stco::StcoBox, stsc::StscBox, stsd::StsdBox, stss::StssBox,
|
|
stsz::StszBox, stts::SttsBox,
|
|
};
|
|
|
|
#[derive(Debug, Clone, PartialEq, Default, Serialize)]
|
|
pub struct StblBox {
|
|
pub stsd: StsdBox,
|
|
pub stts: SttsBox,
|
|
|
|
#[serde(skip_serializing_if = "Option::is_none")]
|
|
pub ctts: Option<CttsBox>,
|
|
|
|
#[serde(skip_serializing_if = "Option::is_none")]
|
|
pub stss: Option<StssBox>,
|
|
pub stsc: StscBox,
|
|
pub stsz: StszBox,
|
|
|
|
#[serde(skip_serializing_if = "Option::is_none")]
|
|
pub stco: Option<StcoBox>,
|
|
|
|
#[serde(skip_serializing_if = "Option::is_none")]
|
|
pub co64: Option<Co64Box>,
|
|
}
|
|
|
|
impl StblBox {
|
|
pub fn get_type(&self) -> BoxType {
|
|
BoxType::StblBox
|
|
}
|
|
|
|
pub fn get_size(&self) -> u64 {
|
|
let mut size = HEADER_SIZE;
|
|
size += self.stsd.box_size();
|
|
size += self.stts.box_size();
|
|
if let Some(ref ctts) = self.ctts {
|
|
size += ctts.box_size();
|
|
}
|
|
if let Some(ref stss) = self.stss {
|
|
size += stss.box_size();
|
|
}
|
|
size += self.stsc.box_size();
|
|
size += self.stsz.box_size();
|
|
if let Some(ref stco) = self.stco {
|
|
size += stco.box_size();
|
|
}
|
|
if let Some(ref co64) = self.co64 {
|
|
size += co64.box_size();
|
|
}
|
|
size
|
|
}
|
|
}
|
|
|
|
impl Mp4Box for StblBox {
|
|
fn box_type(&self) -> BoxType {
|
|
self.get_type()
|
|
}
|
|
|
|
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<R: Read + Seek> ReadBox<&mut R> for StblBox {
|
|
fn read_box(reader: &mut R, size: u64) -> Result<Self> {
|
|
let start = box_start(reader)?;
|
|
|
|
let mut stsd = None;
|
|
let mut stts = None;
|
|
let mut ctts = None;
|
|
let mut stss = None;
|
|
let mut stsc = None;
|
|
let mut stsz = None;
|
|
let mut stco = None;
|
|
let mut co64 = None;
|
|
|
|
let mut current = reader.seek(SeekFrom::Current(0))?;
|
|
let end = start + size;
|
|
while current < end {
|
|
// Get box header.
|
|
let header = BoxHeader::read(reader)?;
|
|
let BoxHeader { name, size: s } = header;
|
|
|
|
match name {
|
|
BoxType::StsdBox => {
|
|
stsd = Some(StsdBox::read_box(reader, s)?);
|
|
}
|
|
BoxType::SttsBox => {
|
|
stts = Some(SttsBox::read_box(reader, s)?);
|
|
}
|
|
BoxType::CttsBox => {
|
|
ctts = Some(CttsBox::read_box(reader, s)?);
|
|
}
|
|
BoxType::StssBox => {
|
|
stss = Some(StssBox::read_box(reader, s)?);
|
|
}
|
|
BoxType::StscBox => {
|
|
stsc = Some(StscBox::read_box(reader, s)?);
|
|
}
|
|
BoxType::StszBox => {
|
|
stsz = Some(StszBox::read_box(reader, s)?);
|
|
}
|
|
BoxType::StcoBox => {
|
|
stco = Some(StcoBox::read_box(reader, s)?);
|
|
}
|
|
BoxType::Co64Box => {
|
|
co64 = Some(Co64Box::read_box(reader, s)?);
|
|
}
|
|
_ => {
|
|
// XXX warn!()
|
|
skip_box(reader, s)?;
|
|
}
|
|
}
|
|
current = reader.seek(SeekFrom::Current(0))?;
|
|
}
|
|
|
|
if stsd.is_none() {
|
|
return Err(Error::BoxNotFound(BoxType::StsdBox));
|
|
}
|
|
if stts.is_none() {
|
|
return Err(Error::BoxNotFound(BoxType::SttsBox));
|
|
}
|
|
if stsc.is_none() {
|
|
return Err(Error::BoxNotFound(BoxType::StscBox));
|
|
}
|
|
if stsz.is_none() {
|
|
return Err(Error::BoxNotFound(BoxType::StszBox));
|
|
}
|
|
if stco.is_none() && co64.is_none() {
|
|
return Err(Error::Box2NotFound(BoxType::StcoBox, BoxType::Co64Box));
|
|
}
|
|
|
|
skip_bytes_to(reader, start + size)?;
|
|
|
|
Ok(StblBox {
|
|
stsd: stsd.unwrap(),
|
|
stts: stts.unwrap(),
|
|
ctts,
|
|
stss,
|
|
stsc: stsc.unwrap(),
|
|
stsz: stsz.unwrap(),
|
|
stco,
|
|
co64,
|
|
})
|
|
}
|
|
}
|
|
|
|
impl<W: Write> WriteBox<&mut W> for StblBox {
|
|
fn write_box(&self, writer: &mut W) -> Result<u64> {
|
|
let size = self.box_size();
|
|
BoxHeader::new(self.box_type(), size).write(writer)?;
|
|
|
|
self.stsd.write_box(writer)?;
|
|
self.stts.write_box(writer)?;
|
|
if let Some(ref ctts) = self.ctts {
|
|
ctts.write_box(writer)?;
|
|
}
|
|
if let Some(ref stss) = self.stss {
|
|
stss.write_box(writer)?;
|
|
}
|
|
self.stsc.write_box(writer)?;
|
|
self.stsz.write_box(writer)?;
|
|
if let Some(ref stco) = self.stco {
|
|
stco.write_box(writer)?;
|
|
}
|
|
if let Some(ref co64) = self.co64 {
|
|
co64.write_box(writer)?;
|
|
}
|
|
|
|
Ok(size)
|
|
}
|
|
}
|