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https://github.com/sile/hls_m3u8.git
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c53e9e33f1
This will allow for better troubleshooting of failing test, because you don't have to search for the difference (between left and right). This is especially helpful for larger assertions.
68 lines
1.7 KiB
Rust
68 lines
1.7 KiB
Rust
use std::fmt;
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use std::str::FromStr;
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use crate::types::ProtocolVersion;
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use crate::utils::tag;
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use crate::{Error, RequiredVersion};
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/// # [4.4.3.6. EXT-X-I-FRAMES-ONLY]
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/// The [`ExtXIFramesOnly`] tag indicates that each [`Media Segment`] in the
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/// Playlist describes a single I-frame. I-frames are encoded video
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/// frames, whose decoding does not depend on any other frame. I-frame
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/// Playlists can be used for trick play, such as fast forward, rapid
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/// reverse, and scrubbing.
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///
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/// Its format is:
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/// ```text
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/// #EXT-X-I-FRAMES-ONLY
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/// ```
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///
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/// [`Media Segment`]: crate::MediaSegment
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/// [4.4.3.6. EXT-X-I-FRAMES-ONLY]:
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/// https://tools.ietf.org/html/draft-pantos-hls-rfc8216bis-04#section-4.4.3.6
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#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
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pub struct ExtXIFramesOnly;
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impl ExtXIFramesOnly {
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pub(crate) const PREFIX: &'static str = "#EXT-X-I-FRAMES-ONLY";
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}
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impl RequiredVersion for ExtXIFramesOnly {
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fn required_version(&self) -> ProtocolVersion { ProtocolVersion::V4 }
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}
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impl fmt::Display for ExtXIFramesOnly {
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fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result { Self::PREFIX.fmt(f) }
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}
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impl FromStr for ExtXIFramesOnly {
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type Err = Error;
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fn from_str(input: &str) -> Result<Self, Self::Err> {
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tag(input, Self::PREFIX)?;
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Ok(Self)
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}
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}
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#[cfg(test)]
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mod test {
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use super::*;
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use pretty_assertions::assert_eq;
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#[test]
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fn test_display() {
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assert_eq!(
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ExtXIFramesOnly.to_string(),
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"#EXT-X-I-FRAMES-ONLY".to_string(),
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)
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}
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#[test]
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fn test_parser() { assert_eq!(ExtXIFramesOnly, "#EXT-X-I-FRAMES-ONLY".parse().unwrap(),) }
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#[test]
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fn test_required_version() {
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assert_eq!(ExtXIFramesOnly.required_version(), ProtocolVersion::V4)
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}
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}
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