mirror of
https://github.com/sile/hls_m3u8.git
synced 2024-05-03 09:09:06 +00:00
66 lines
1.6 KiB
Rust
66 lines
1.6 KiB
Rust
use std::convert::TryFrom;
|
|
use std::fmt;
|
|
|
|
use crate::types::ProtocolVersion;
|
|
use crate::utils::tag;
|
|
use crate::{Error, RequiredVersion};
|
|
|
|
/// Signals that all media samples in a [`MediaSegment`] can be decoded without
|
|
/// information from other segments.
|
|
///
|
|
/// [`MediaSegment`]: crate::MediaSegment
|
|
#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash, Ord, PartialOrd)]
|
|
pub(crate) struct ExtXIndependentSegments;
|
|
|
|
impl ExtXIndependentSegments {
|
|
pub(crate) const PREFIX: &'static str = "#EXT-X-INDEPENDENT-SEGMENTS";
|
|
}
|
|
|
|
/// This tag requires [`ProtocolVersion::V1`].
|
|
impl RequiredVersion for ExtXIndependentSegments {
|
|
fn required_version(&self) -> ProtocolVersion { ProtocolVersion::V1 }
|
|
}
|
|
|
|
impl fmt::Display for ExtXIndependentSegments {
|
|
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { Self::PREFIX.fmt(f) }
|
|
}
|
|
|
|
impl TryFrom<&str> for ExtXIndependentSegments {
|
|
type Error = Error;
|
|
|
|
fn try_from(input: &str) -> Result<Self, Self::Error> {
|
|
tag(input, Self::PREFIX)?;
|
|
Ok(Self)
|
|
}
|
|
}
|
|
|
|
#[cfg(test)]
|
|
mod test {
|
|
use super::*;
|
|
use pretty_assertions::assert_eq;
|
|
|
|
#[test]
|
|
fn test_display() {
|
|
assert_eq!(
|
|
ExtXIndependentSegments.to_string(),
|
|
"#EXT-X-INDEPENDENT-SEGMENTS".to_string(),
|
|
)
|
|
}
|
|
|
|
#[test]
|
|
fn test_parser() {
|
|
assert_eq!(
|
|
ExtXIndependentSegments,
|
|
ExtXIndependentSegments::try_from("#EXT-X-INDEPENDENT-SEGMENTS").unwrap(),
|
|
)
|
|
}
|
|
|
|
#[test]
|
|
fn test_required_version() {
|
|
assert_eq!(
|
|
ExtXIndependentSegments.required_version(),
|
|
ProtocolVersion::V1
|
|
)
|
|
}
|
|
}
|