physis/
scd.rs

1// SPDX-FileCopyrightText: 2024 Joshua Goins <josh@redstrate.com>
2// SPDX-License-Identifier: GPL-3.0-or-later
3
4use std::io::Cursor;
5
6use crate::ByteSpan;
7use binrw::BinRead;
8use binrw::binrw;
9
10#[binrw]
11#[derive(Debug)]
12#[brw(little)]
13struct ScdHeader {
14    #[br(count = 4)]
15    #[bw(pad_size_to = 4)]
16    #[bw(map = |x : &String | x.as_bytes())]
17    #[br(map = | x: Vec<u8> | String::from_utf8(x).unwrap().trim_matches(char::from(0)).to_string())]
18    pub file_type: String,
19
20    #[br(count = 4)]
21    #[bw(pad_size_to = 4)]
22    #[bw(map = |x : &String | x.as_bytes())]
23    #[br(map = | x: Vec<u8> | String::from_utf8(x).unwrap().trim_matches(char::from(0)).to_string())]
24    pub sub_type: String,
25
26    version: u32,
27    endian_type: u32,
28    alignment_bits: u8,
29    offset: u16,
30    datetime: u64,
31
32    #[br(pad_before = 4)]
33    sound_count: u16,
34    track_count: u16,
35    audio_count: u16,
36    number: u16,
37
38    track_offset: u32,
39    audio_offset: u32,
40    layout_offset: u32,
41    routing_offset: u32,
42    attribute_offset: u32,
43
44    #[br(pad_after = 2)]
45    end_of_file_padding_size: u16,
46}
47
48#[derive(Debug)]
49pub struct Scd {}
50
51impl Scd {
52    /// Reads an existing ULD file
53    pub fn from_existing(buffer: ByteSpan) -> Option<Self> {
54        let mut cursor = Cursor::new(buffer);
55        ScdHeader::read(&mut cursor).ok()?;
56
57        Some(Scd {})
58    }
59}
physis/scd.rs

physis/
scd.rs
