2022-06-01 03:50:49 +00:00
|
|
|
use serde::Serialize;
|
2020-08-04 23:56:59 +00:00
|
|
|
use std::io::{Read, Seek, SeekFrom, Write};
|
2020-07-28 16:36:17 +00:00
|
|
|
|
2020-08-04 23:56:59 +00:00
|
|
|
use crate::mp4box::*;
|
2020-11-23 21:38:05 +00:00
|
|
|
use crate::mp4box::{dinf::DinfBox, smhd::SmhdBox, stbl::StblBox, vmhd::VmhdBox};
|
2020-07-28 16:36:17 +00:00
|
|
|
|
2020-09-09 05:24:34 +00:00
|
|
|
#[derive(Debug, Clone, PartialEq, Default, Serialize)]
|
2020-07-28 16:36:17 +00:00
|
|
|
pub struct MinfBox {
|
2020-09-10 03:04:06 +00:00
|
|
|
#[serde(skip_serializing_if = "Option::is_none")]
|
2020-07-28 16:36:17 +00:00
|
|
|
pub vmhd: Option<VmhdBox>,
|
2020-09-10 03:04:06 +00:00
|
|
|
|
|
|
|
#[serde(skip_serializing_if = "Option::is_none")]
|
2020-07-31 17:12:26 +00:00
|
|
|
pub smhd: Option<SmhdBox>,
|
2020-09-10 03:04:06 +00:00
|
|
|
|
2020-11-23 21:38:05 +00:00
|
|
|
pub dinf: DinfBox,
|
2020-08-04 23:56:59 +00:00
|
|
|
pub stbl: StblBox,
|
2020-07-28 16:36:17 +00:00
|
|
|
}
|
|
|
|
|
2020-08-24 05:11:59 +00:00
|
|
|
impl MinfBox {
|
|
|
|
pub fn get_type(&self) -> BoxType {
|
|
|
|
BoxType::MinfBox
|
|
|
|
}
|
|
|
|
|
|
|
|
pub fn get_size(&self) -> u64 {
|
|
|
|
let mut size = HEADER_SIZE;
|
|
|
|
if let Some(ref vmhd) = self.vmhd {
|
|
|
|
size += vmhd.box_size();
|
|
|
|
}
|
|
|
|
if let Some(ref smhd) = self.smhd {
|
|
|
|
size += smhd.box_size();
|
|
|
|
}
|
2020-11-23 21:38:05 +00:00
|
|
|
size += self.dinf.box_size();
|
2020-08-24 05:11:59 +00:00
|
|
|
size += self.stbl.box_size();
|
|
|
|
size
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2020-07-28 16:36:17 +00:00
|
|
|
impl Mp4Box for MinfBox {
|
2020-08-25 04:49:58 +00:00
|
|
|
fn box_type(&self) -> BoxType {
|
2022-06-01 03:50:49 +00:00
|
|
|
self.get_type()
|
2020-07-28 16:36:17 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
fn box_size(&self) -> u64 {
|
2022-06-01 03:50:49 +00:00
|
|
|
self.get_size()
|
2020-07-28 16:36:17 +00:00
|
|
|
}
|
2020-09-09 05:24:34 +00:00
|
|
|
|
|
|
|
fn to_json(&self) -> Result<String> {
|
|
|
|
Ok(serde_json::to_string(&self).unwrap())
|
|
|
|
}
|
|
|
|
|
|
|
|
fn summary(&self) -> Result<String> {
|
2022-06-01 03:50:49 +00:00
|
|
|
let s = String::new();
|
2020-09-09 05:24:34 +00:00
|
|
|
Ok(s)
|
|
|
|
}
|
2020-07-28 16:36:17 +00:00
|
|
|
}
|
|
|
|
|
2020-07-31 17:12:26 +00:00
|
|
|
impl<R: Read + Seek> ReadBox<&mut R> for MinfBox {
|
|
|
|
fn read_box(reader: &mut R, size: u64) -> Result<Self> {
|
2020-08-04 23:56:59 +00:00
|
|
|
let start = box_start(reader)?;
|
2020-07-31 17:12:26 +00:00
|
|
|
|
2020-08-04 23:56:59 +00:00
|
|
|
let mut vmhd = None;
|
|
|
|
let mut smhd = None;
|
2020-11-23 21:38:05 +00:00
|
|
|
let mut dinf = None;
|
2020-08-04 23:56:59 +00:00
|
|
|
let mut stbl = None;
|
2020-07-28 16:36:17 +00:00
|
|
|
|
2020-07-31 17:12:26 +00:00
|
|
|
let mut current = reader.seek(SeekFrom::Current(0))?;
|
|
|
|
let end = start + size;
|
|
|
|
while current < end {
|
2020-07-28 16:36:17 +00:00
|
|
|
// Get box header.
|
2020-07-31 17:12:26 +00:00
|
|
|
let header = BoxHeader::read(reader)?;
|
2020-08-04 23:56:59 +00:00
|
|
|
let BoxHeader { name, size: s } = header;
|
2020-07-28 16:36:17 +00:00
|
|
|
|
|
|
|
match name {
|
|
|
|
BoxType::VmhdBox => {
|
2020-08-04 23:56:59 +00:00
|
|
|
vmhd = Some(VmhdBox::read_box(reader, s)?);
|
2020-07-28 16:36:17 +00:00
|
|
|
}
|
|
|
|
BoxType::SmhdBox => {
|
2020-08-04 23:56:59 +00:00
|
|
|
smhd = Some(SmhdBox::read_box(reader, s)?);
|
2020-07-28 16:36:17 +00:00
|
|
|
}
|
2020-08-04 23:56:59 +00:00
|
|
|
BoxType::DinfBox => {
|
2020-11-23 21:38:05 +00:00
|
|
|
dinf = Some(DinfBox::read_box(reader, s)?);
|
2020-07-28 16:36:17 +00:00
|
|
|
}
|
|
|
|
BoxType::StblBox => {
|
2020-08-04 23:56:59 +00:00
|
|
|
stbl = Some(StblBox::read_box(reader, s)?);
|
2020-07-28 16:36:17 +00:00
|
|
|
}
|
2020-07-31 17:12:26 +00:00
|
|
|
_ => {
|
|
|
|
// XXX warn!()
|
|
|
|
skip_box(reader, s)?;
|
|
|
|
}
|
2020-07-28 16:36:17 +00:00
|
|
|
}
|
2020-07-31 17:12:26 +00:00
|
|
|
|
|
|
|
current = reader.seek(SeekFrom::Current(0))?;
|
2020-07-28 16:36:17 +00:00
|
|
|
}
|
2020-07-31 17:12:26 +00:00
|
|
|
|
2020-11-23 21:38:05 +00:00
|
|
|
if dinf.is_none() {
|
|
|
|
return Err(Error::BoxNotFound(BoxType::DinfBox));
|
|
|
|
}
|
2020-08-04 23:56:59 +00:00
|
|
|
if stbl.is_none() {
|
|
|
|
return Err(Error::BoxNotFound(BoxType::StblBox));
|
|
|
|
}
|
|
|
|
|
2020-08-07 03:35:08 +00:00
|
|
|
skip_bytes_to(reader, start + size)?;
|
2020-07-28 16:36:17 +00:00
|
|
|
|
2020-08-04 23:56:59 +00:00
|
|
|
Ok(MinfBox {
|
|
|
|
vmhd,
|
|
|
|
smhd,
|
2020-11-23 21:38:05 +00:00
|
|
|
dinf: dinf.unwrap(),
|
2020-08-04 23:56:59 +00:00
|
|
|
stbl: stbl.unwrap(),
|
|
|
|
})
|
2020-07-28 16:36:17 +00:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2020-07-31 17:12:26 +00:00
|
|
|
impl<W: Write> WriteBox<&mut W> for MinfBox {
|
|
|
|
fn write_box(&self, writer: &mut W) -> Result<u64> {
|
2020-07-28 16:36:17 +00:00
|
|
|
let size = self.box_size();
|
2020-08-25 04:49:58 +00:00
|
|
|
BoxHeader::new(self.box_type(), size).write(writer)?;
|
2020-07-28 16:36:17 +00:00
|
|
|
|
2020-07-31 17:12:26 +00:00
|
|
|
if let Some(ref vmhd) = self.vmhd {
|
2020-07-28 16:36:17 +00:00
|
|
|
vmhd.write_box(writer)?;
|
|
|
|
}
|
2020-07-31 17:12:26 +00:00
|
|
|
if let Some(ref smhd) = self.smhd {
|
|
|
|
smhd.write_box(writer)?;
|
|
|
|
}
|
2020-11-23 21:38:05 +00:00
|
|
|
self.dinf.write_box(writer)?;
|
2020-08-04 23:56:59 +00:00
|
|
|
self.stbl.write_box(writer)?;
|
2020-07-28 16:36:17 +00:00
|
|
|
|
|
|
|
Ok(size)
|
|
|
|
}
|
|
|
|
}
|