va_ts/descriptor/
desc_dvb_0x48.rs

1use std::fmt;
2
3use crate::annex_a2::AnnexA2;
4
5// TODO: implement
6
7/// ETSI EN 300 468 V1.15.1
8///
9/// Service descriptor
10#[derive(Clone)]
11pub struct DescDVB0x48<'buf> {
12    buf: &'buf [u8],
13}
14
15impl<'buf> DescDVB0x48<'buf> {
16    const HEADER_SZ: usize = 2;
17
18    #[inline(always)]
19    pub fn new(buf: &'buf [u8]) -> DescDVB0x48<'buf> {
20        DescDVB0x48 { buf }
21    }
22
23    #[inline(always)]
24    pub fn service_type(&self) -> u8 {
25        self.buf[0]
26    }
27
28    #[inline(always)]
29    fn buf_pos_service_provider_name(&self) -> usize {
30        Self::HEADER_SZ
31    }
32
33    #[inline(always)]
34    fn buf_pos_service_name_length(&self) -> usize {
35        self.buf_pos_service_provider_name() + (self.service_provider_name_length() as usize)
36    }
37
38    #[inline(always)]
39    fn buf_pos_service_name(&self) -> usize {
40        self.buf_pos_service_name_length() + 1
41    }
42
43    #[inline(always)]
44    pub fn service_provider_name_length(&self) -> u8 {
45        self.buf[1]
46    }
47
48    #[inline(always)]
49    pub fn service_provider_name(&self) -> &'buf [u8] {
50        &self.buf[self.buf_pos_service_provider_name()..self.buf_pos_service_name_length()]
51    }
52
53    #[inline(always)]
54    pub fn service_name_length(&self) -> u8 {
55        self.buf[self.buf_pos_service_name_length()]
56    }
57
58    #[inline(always)]
59    pub fn service_name(&self) -> &'buf [u8] {
60        let lft = self.buf_pos_service_name();
61        let rgh = lft + (self.service_name_length() as usize);
62        &self.buf[lft..rgh]
63    }
64}
65
66impl<'buf> fmt::Debug for DescDVB0x48<'buf> {
67    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
68        write!(
69            f,
70            ":dvb-0x48 (:service-type 0x{:02}/{}",
71            self.service_type(),
72            self.service_type()
73        )?;
74
75        let mut dst_buf = [0u8; 256];
76        let mut dst_str = std::str::from_utf8_mut(&mut dst_buf).unwrap();
77
78        write!(f, " :provider")?;
79        match AnnexA2::decode(self.service_provider_name(), &mut dst_str) {
80            Ok(..) => write!(f, r#" "{}""#, dst_str),
81            Err(err) => write!(f, " (error: {:?})", err),
82        }?;
83
84        dst_buf = [0u8; 256];
85        dst_str = std::str::from_utf8_mut(&mut dst_buf).unwrap();
86
87        write!(f, " :service")?;
88        match AnnexA2::decode(self.service_name(), &mut dst_str) {
89            Ok(..) => write!(f, r#" "{}""#, dst_str),
90            Err(err) => write!(f, " (error: {:?})", err),
91        }?;
92
93        write!(f, ")")
94    }
95}
va_ts/descriptor/desc_dvb_0x48.rs

va_ts/descriptor/
desc_dvb_0x48.rs
