vp9_parser/ivf/
error.rs

1//! IVF errors.
2
3use std::error::Error;
4
5/// Errors that can occur when parsing IVF containers.
6#[derive(Debug)]
7pub enum IvfError {
8    /// A std::io::Error.
9    IoError(std::io::Error),
10    /// A `TryFromSliceError`.
11    TryFromSliceError(std::array::TryFromSliceError),
12    /// A `TryFromIntError`.
13    TryFromIntError(std::num::TryFromIntError),
14    /// Invalid header.
15    InvalidHeader(String),
16    /// Unexpected file ending.
17    UnexpectedFileEnding,
18}
19
20impl std::fmt::Display for IvfError {
21    fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
22        match self {
23            IvfError::IoError(err) => {
24                write!(f, "{:?}", err.source())
25            }
26            IvfError::TryFromSliceError(err) => {
27                write!(f, "{:?}", err.source())
28            }
29            IvfError::TryFromIntError(err) => {
30                write!(f, "{:?}", err.source())
31            }
32            IvfError::InvalidHeader(message) => {
33                write!(f, "invalid header: {}", message)
34            }
35            IvfError::UnexpectedFileEnding => {
36                write!(f, "unexpected file ending")
37            }
38        }
39    }
40}
41
42impl From<std::io::Error> for IvfError {
43    fn from(err: std::io::Error) -> IvfError {
44        IvfError::IoError(err)
45    }
46}
47
48impl From<std::array::TryFromSliceError> for IvfError {
49    fn from(err: std::array::TryFromSliceError) -> IvfError {
50        IvfError::TryFromSliceError(err)
51    }
52}
53
54impl From<std::num::TryFromIntError> for IvfError {
55    fn from(err: std::num::TryFromIntError) -> IvfError {
56        IvfError::TryFromIntError(err)
57    }
58}
59
60impl std::error::Error for IvfError {
61    fn source(&self) -> Option<&(dyn std::error::Error + 'static)> {
62        match *self {
63            IvfError::IoError(ref e) => Some(e),
64            IvfError::TryFromSliceError(ref e) => Some(e),
65            IvfError::TryFromIntError(ref e) => Some(e),
66            _ => None,
67        }
68    }
69}
vp9_parser/ivf/error.rs

vp9_parser/ivf/
error.rs
