frame_picker/
iap2_frame_meta.rs

1use crate::frame_meta::FrameMeta;
2
3#[derive(Debug, Default)]
4pub struct Iap2FrameMeta { }
5
6impl FrameMeta for Iap2FrameMeta {
7    fn frame_header_len() -> usize {
8        6
9    }
10
11    fn frame_match(data : &[u8]) -> bool {
12        if data.len() < Self::frame_header_len() {
13            return false;
14        }
15        match (data[0], data[1], data[4]) {
16            (0xff, 0x5a, _) => true,
17            (0xff, 0x55, 0xee) => true,
18            _ => false,
19        }
20    }
21
22    fn frame_totol_len(data: &[u8]) -> usize {
23        if Self::frame_match(data) {
24            match (data[0], data[1]) {
25                (0xff, 0x55) => 6,
26                (0xff, 0x5a) => {
27                    ((((data[2] as u16) << 8) | (data[3] as u16)) as usize).into()
28                },
29                _ => 0,
30            }
31        } else {
32            0
33        }
34    }
35}
frame_picker/iap2_frame_meta.rs

frame_picker/
iap2_frame_meta.rs
