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Merge pull request #34 from Luro02/master

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Documentation Improvements + more tests
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Lucas 2019-09-22 18:02:42 +02:00 committed by GitHub
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35 changed files with 1587 additions and 784 deletions
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6
src/attribute.rs
View file

@ -61,10 +61,10 @@ impl FromStr for AttributePairs {
let key = pair[0].to_uppercase(); let key = pair[0].to_uppercase();
let value = pair[1].to_string(); let value = pair[1].to_string();
result.insert(key.to_string(), value.to_string()); result.insert(key.trim().to_string(), value.trim().to_string());
} }
#[cfg(test)] #[cfg(test)] // this is very useful, when a test fails!
dbg!(&result); dbg!(&result);
Ok(result) Ok(result)
} }
@ -110,7 +110,7 @@ mod test {
#[test] #[test]
fn test_parser() { fn test_parser() {
let pairs = ("FOO=BAR,BAR=\"baz,qux\",ABC=12.3") let pairs = "FOO=BAR,BAR=\"baz,qux\",ABC=12.3"
.parse::<AttributePairs>() .parse::<AttributePairs>()
.unwrap(); .unwrap();

8
src/error.rs
View file

@ -69,6 +69,10 @@ pub enum ErrorKind {
/// An Error from a Builder. /// An Error from a Builder.
BuilderError(String), BuilderError(String),
#[fail(display = "Missing Attribute: {}", _0)]
/// An attribute is missing.
MissingAttribute(String),
/// Hints that destructuring should not be exhaustive. /// Hints that destructuring should not be exhaustive.
/// ///
/// This enum may grow additional variants, so this makes sure clients /// This enum may grow additional variants, so this makes sure clients
@ -185,6 +189,10 @@ impl Error {
pub(crate) fn chrono<T: ToString>(value: T) -> Self { pub(crate) fn chrono<T: ToString>(value: T) -> Self {
Self::from(ErrorKind::ChronoParseError(value.to_string())) Self::from(ErrorKind::ChronoParseError(value.to_string()))
} }
pub(crate) fn missing_attribute<T: ToString>(value: T) -> Self {
Self::from(ErrorKind::MissingAttribute(value.to_string()))
}
} }
impl From<::std::num::ParseIntError> for Error { impl From<::std::num::ParseIntError> for Error {

22
src/master_playlist.rs
View file

@ -10,7 +10,7 @@ use crate::tags::{
ExtM3u, ExtXIFrameStreamInf, ExtXIndependentSegments, ExtXMedia, ExtXSessionData, ExtM3u, ExtXIFrameStreamInf, ExtXIndependentSegments, ExtXMedia, ExtXSessionData,
ExtXSessionKey, ExtXStart, ExtXStreamInf, ExtXVersion, ExtXSessionKey, ExtXStart, ExtXStreamInf, ExtXVersion,
}; };
use crate::types::{ClosedCaptions, MediaType, ProtocolVersion}; use crate::types::{ClosedCaptions, MediaType, ProtocolVersion, RequiredVersion};
use crate::Error; use crate::Error;
/// Master playlist. /// Master playlist.
@ -92,6 +92,12 @@ impl MasterPlaylist {
} }
} }
impl RequiredVersion for MasterPlaylist {
fn required_version(&self) -> ProtocolVersion {
self.version_tag.version()
}
}
impl MasterPlaylistBuilder { impl MasterPlaylistBuilder {
fn validate(&self) -> Result<(), String> { fn validate(&self) -> Result<(), String> {
let required_version = self.required_version(); let required_version = self.required_version();
@ -118,43 +124,43 @@ impl MasterPlaylistBuilder {
.chain( .chain(
self.independent_segments_tag self.independent_segments_tag
.iter() .iter()
.map(|t| t.iter().map(|t| t.requires_version())) .map(|t| t.iter().map(|t| t.required_version()))
.flatten(), .flatten(),
) )
.chain( .chain(
self.start_tag self.start_tag
.iter() .iter()
.map(|t| t.iter().map(|t| t.requires_version())) .map(|t| t.iter().map(|t| t.required_version()))
.flatten(), .flatten(),
) )
.chain( .chain(
self.media_tags self.media_tags
.iter() .iter()
.map(|t| t.iter().map(|t| t.requires_version())) .map(|t| t.iter().map(|t| t.required_version()))
.flatten(), .flatten(),
) )
.chain( .chain(
self.stream_inf_tags self.stream_inf_tags
.iter() .iter()
.map(|t| t.iter().map(|t| t.requires_version())) .map(|t| t.iter().map(|t| t.required_version()))
.flatten(), .flatten(),
) )
.chain( .chain(
self.i_frame_stream_inf_tags self.i_frame_stream_inf_tags
.iter() .iter()
.map(|t| t.iter().map(|t| t.requires_version())) .map(|t| t.iter().map(|t| t.required_version()))
.flatten(), .flatten(),
) )
.chain( .chain(
self.session_data_tags self.session_data_tags
.iter() .iter()
.map(|t| t.iter().map(|t| t.requires_version())) .map(|t| t.iter().map(|t| t.required_version()))
.flatten(), .flatten(),
) )
.chain( .chain(
self.session_key_tags self.session_key_tags
.iter() .iter()
.map(|t| t.iter().map(|t| t.requires_version())) .map(|t| t.iter().map(|t| t.required_version()))
.flatten(), .flatten(),
) )
.max() .max()

20
src/media_playlist.rs
View file

@ -11,7 +11,7 @@ use crate::tags::{
ExtM3u, ExtXDiscontinuitySequence, ExtXEndList, ExtXIFramesOnly, ExtXIndependentSegments, ExtM3u, ExtXDiscontinuitySequence, ExtXEndList, ExtXIFramesOnly, ExtXIndependentSegments,
ExtXMediaSequence, ExtXPlaylistType, ExtXStart, ExtXTargetDuration, ExtXVersion, ExtXMediaSequence, ExtXPlaylistType, ExtXStart, ExtXTargetDuration, ExtXVersion,
}; };
use crate::types::ProtocolVersion; use crate::types::{ProtocolVersion, RequiredVersion};
use crate::Error; use crate::Error;
/// Media playlist. /// Media playlist.
@ -142,60 +142,60 @@ impl MediaPlaylistBuilder {
.chain( .chain(
self.target_duration_tag self.target_duration_tag
.iter() .iter()
.map(|t| t.requires_version()), .map(|t| t.required_version()),
) )
.chain(self.media_sequence_tag.iter().map(|t| { .chain(self.media_sequence_tag.iter().map(|t| {
if let Some(p) = t { if let Some(p) = t {
p.requires_version() p.required_version()
} else { } else {
ProtocolVersion::V1 ProtocolVersion::V1
} }
})) }))
.chain(self.discontinuity_sequence_tag.iter().map(|t| { .chain(self.discontinuity_sequence_tag.iter().map(|t| {
if let Some(p) = t { if let Some(p) = t {
p.requires_version() p.required_version()
} else { } else {
ProtocolVersion::V1 ProtocolVersion::V1
} }
})) }))
.chain(self.playlist_type_tag.iter().map(|t| { .chain(self.playlist_type_tag.iter().map(|t| {
if let Some(p) = t { if let Some(p) = t {
p.requires_version() p.required_version()
} else { } else {
ProtocolVersion::V1 ProtocolVersion::V1
} }
})) }))
.chain(self.i_frames_only_tag.iter().map(|t| { .chain(self.i_frames_only_tag.iter().map(|t| {
if let Some(p) = t { if let Some(p) = t {
p.requires_version() p.required_version()
} else { } else {
ProtocolVersion::V1 ProtocolVersion::V1
} }
})) }))
.chain(self.independent_segments_tag.iter().map(|t| { .chain(self.independent_segments_tag.iter().map(|t| {
if let Some(p) = t { if let Some(p) = t {
p.requires_version() p.required_version()
} else { } else {
ProtocolVersion::V1 ProtocolVersion::V1
} }
})) }))
.chain(self.start_tag.iter().map(|t| { .chain(self.start_tag.iter().map(|t| {
if let Some(p) = t { if let Some(p) = t {
p.requires_version() p.required_version()
} else { } else {
ProtocolVersion::V1 ProtocolVersion::V1
} }
})) }))
.chain(self.end_list_tag.iter().map(|t| { .chain(self.end_list_tag.iter().map(|t| {
if let Some(p) = t { if let Some(p) = t {
p.requires_version() p.required_version()
} else { } else {
ProtocolVersion::V1 ProtocolVersion::V1
} }
})) }))
.chain(self.segments.iter().map(|t| { .chain(self.segments.iter().map(|t| {
t.iter() t.iter()
.map(|s| s.requires_version()) .map(|s| s.required_version())
.max() .max()
.unwrap_or(ProtocolVersion::V1) .unwrap_or(ProtocolVersion::V1)
})) }))

21
src/media_segment.rs
View file

@ -6,7 +6,7 @@ use derive_builder::Builder;
use crate::tags::{ use crate::tags::{
ExtInf, ExtXByteRange, ExtXDateRange, ExtXDiscontinuity, ExtXKey, ExtXMap, ExtXProgramDateTime, ExtInf, ExtXByteRange, ExtXDateRange, ExtXDiscontinuity, ExtXKey, ExtXMap, ExtXProgramDateTime,
}; };
use crate::types::ProtocolVersion; use crate::types::{ProtocolVersion, RequiredVersion};
/// Media segment. /// Media segment.
#[derive(Debug, Clone, Builder)] #[derive(Debug, Clone, Builder)]
@ -118,21 +118,22 @@ impl MediaSegment {
pub fn key_tags(&self) -> &[ExtXKey] { pub fn key_tags(&self) -> &[ExtXKey] {
&self.key_tags &self.key_tags
} }
}
/// Returns the protocol compatibility version that this segment requires. impl RequiredVersion for MediaSegment {
pub fn requires_version(&self) -> ProtocolVersion { fn required_version(&self) -> ProtocolVersion {
iter::empty() iter::empty()
.chain(self.key_tags.iter().map(|t| t.requires_version())) .chain(self.key_tags.iter().map(|t| t.required_version()))
.chain(self.map_tag.iter().map(|t| t.requires_version())) .chain(self.map_tag.iter().map(|t| t.required_version()))
.chain(self.byte_range_tag.iter().map(|t| t.requires_version())) .chain(self.byte_range_tag.iter().map(|t| t.required_version()))
.chain(self.date_range_tag.iter().map(|t| t.requires_version())) .chain(self.date_range_tag.iter().map(|t| t.required_version()))
.chain(self.discontinuity_tag.iter().map(|t| t.requires_version())) .chain(self.discontinuity_tag.iter().map(|t| t.required_version()))
.chain( .chain(
self.program_date_time_tag self.program_date_time_tag
.iter() .iter()
.map(|t| t.requires_version()), .map(|t| t.required_version()),
) )
.chain(iter::once(self.inf_tag.requires_version())) .chain(iter::once(self.inf_tag.required_version()))
.max() .max()
.unwrap_or(ProtocolVersion::V7) .unwrap_or(ProtocolVersion::V7)
} }

23
src/tags/basic/m3u.rs
View file

@ -1,21 +1,30 @@
use std::fmt; use std::fmt;
use std::str::FromStr; use std::str::FromStr;
use crate::types::ProtocolVersion; use crate::types::{ProtocolVersion, RequiredVersion};
use crate::utils::tag; use crate::utils::tag;
use crate::Error; use crate::Error;
/// [4.3.1.1. EXTM3U] /// # [4.3.1.1. EXTM3U]
/// The [ExtM3u] tag indicates that the file is an Extended [M3U]
/// Playlist file.
/// ///
/// Its format is:
/// ```text
/// #EXTM3U
/// ```
///
/// [M3U]: https://en.wikipedia.org/wiki/M3U
/// [4.3.1.1. EXTM3U]: https://tools.ietf.org/html/rfc8216#section-4.3.1.1 /// [4.3.1.1. EXTM3U]: https://tools.ietf.org/html/rfc8216#section-4.3.1.1
#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)] #[derive(Copy, Clone, Eq, PartialEq, Ord, PartialOrd, Hash, Debug, Default)]
pub struct ExtM3u; pub struct ExtM3u;
impl ExtM3u { impl ExtM3u {
pub(crate) const PREFIX: &'static str = "#EXTM3U"; pub(crate) const PREFIX: &'static str = "#EXTM3U";
}
/// Returns the protocol compatibility version that this tag requires. impl RequiredVersion for ExtM3u {
pub const fn requires_version(&self) -> ProtocolVersion { fn required_version(&self) -> ProtocolVersion {
ProtocolVersion::V1 ProtocolVersion::V1
} }
} }
@ -50,7 +59,7 @@ mod test {
} }
#[test] #[test]
fn test_requires_version() { fn test_required_version() {
assert_eq!(ExtM3u.requires_version(), ProtocolVersion::V1); assert_eq!(ExtM3u.required_version(), ProtocolVersion::V1);
} }
} }

61
src/tags/basic/version.rs
View file

@ -1,31 +1,62 @@
use std::fmt; use std::fmt;
use std::str::FromStr; use std::str::FromStr;
use crate::types::ProtocolVersion; use crate::types::{ProtocolVersion, RequiredVersion};
use crate::utils::tag; use crate::utils::tag;
use crate::Error; use crate::Error;
/// [4.3.1.2. EXT-X-VERSION] /// # [4.3.1.2. EXT-X-VERSION]
/// The [ExtXVersion] tag indicates the compatibility version of the
/// Playlist file, its associated media, and its server.
///
/// The [ExtXVersion] tag applies to the entire Playlist file. Its
/// format is:
///
/// ```text
/// #EXT-X-VERSION:<n>
/// ```
/// where `n` is an integer indicating the protocol compatibility version
/// number.
/// ///
/// [4.3.1.2. EXT-X-VERSION]: https://tools.ietf.org/html/rfc8216#section-4.3.1.2 /// [4.3.1.2. EXT-X-VERSION]: https://tools.ietf.org/html/rfc8216#section-4.3.1.2
#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)] #[derive(Copy, Clone, Eq, PartialEq, Ord, PartialOrd, Hash, Debug)]
pub struct ExtXVersion(ProtocolVersion); pub struct ExtXVersion(ProtocolVersion);
impl ExtXVersion { impl ExtXVersion {
pub(crate) const PREFIX: &'static str = "#EXT-X-VERSION:"; pub(crate) const PREFIX: &'static str = "#EXT-X-VERSION:";
/// Makes a new `ExtXVersion` tag. /// Makes a new [ExtXVersion] tag.
///
/// # Example
/// ```
/// # use hls_m3u8::tags::ExtXVersion;
/// use hls_m3u8::types::ProtocolVersion;
///
/// let version_tag = ExtXVersion::new(ProtocolVersion::V2);
/// ```
pub const fn new(version: ProtocolVersion) -> Self { pub const fn new(version: ProtocolVersion) -> Self {
Self(version) Self(version)
} }
/// Returns the protocol compatibility version of the playlist containing this tag. /// Returns the protocol compatibility version of the playlist, containing this tag.
///
/// # Example
/// ```
/// # use hls_m3u8::tags::ExtXVersion;
/// use hls_m3u8::types::ProtocolVersion;
///
/// assert_eq!(
/// ExtXVersion::new(ProtocolVersion::V6).version(),
/// ProtocolVersion::V6
/// );
/// ```
pub const fn version(&self) -> ProtocolVersion { pub const fn version(&self) -> ProtocolVersion {
self.0 self.0
} }
}
/// Returns the protocol compatibility version that this tag requires. impl RequiredVersion for ExtXVersion {
pub const fn requires_version(&self) -> ProtocolVersion { fn required_version(&self) -> ProtocolVersion {
ProtocolVersion::V1 ProtocolVersion::V1
} }
} }
@ -72,24 +103,16 @@ mod test {
#[test] #[test]
fn test_parser() { fn test_parser() {
assert_eq!( assert_eq!(
"#EXT-X-VERSION:6".parse().ok(), "#EXT-X-VERSION:6".parse::<ExtXVersion>().unwrap(),
Some(ExtXVersion::new(ProtocolVersion::V6)) ExtXVersion::new(ProtocolVersion::V6)
); );
} }
#[test] #[test]
fn test_requires_version() { fn test_required_version() {
assert_eq!( assert_eq!(
ExtXVersion::new(ProtocolVersion::V6).requires_version(), ExtXVersion::new(ProtocolVersion::V6).required_version(),
ProtocolVersion::V1 ProtocolVersion::V1
); );
} }
#[test]
fn test_version() {
assert_eq!(
ExtXVersion::new(ProtocolVersion::V6).version(),
ProtocolVersion::V6
);
}
} }

48
src/tags/master_playlist/i_frame_stream_inf.rs
View file

@ -3,12 +3,23 @@ use std::ops::{Deref, DerefMut};
use std::str::FromStr; use std::str::FromStr;
use crate::attribute::AttributePairs; use crate::attribute::AttributePairs;
use crate::types::{ProtocolVersion, StreamInf}; use crate::types::{ProtocolVersion, RequiredVersion, StreamInf};
use crate::utils::{quote, tag, unquote}; use crate::utils::{quote, tag, unquote};
use crate::Error; use crate::Error;
/// [4.3.4.3. EXT-X-I-FRAME-STREAM-INF] /// # [4.3.4.3. EXT-X-I-FRAME-STREAM-INF]
/// The [ExtXIFrameStreamInf] tag identifies a [Media Playlist] file
/// containing the I-frames of a multimedia presentation. It stands
/// alone, in that it does not apply to a particular `URI` in the [Master Playlist].
/// ///
/// Its format is:
///
/// ```text
/// #EXT-X-I-FRAME-STREAM-INF:<attribute-list>
/// ```
///
/// [Master Playlist]: crate::MasterPlaylist
/// [Media Playlist]: crate::MediaPlaylist
/// [4.3.4.3. EXT-X-I-FRAME-STREAM-INF]: https://tools.ietf.org/html/rfc8216#section-4.3.4.3 /// [4.3.4.3. EXT-X-I-FRAME-STREAM-INF]: https://tools.ietf.org/html/rfc8216#section-4.3.4.3
#[derive(Debug, Clone, PartialEq, Eq, Hash)] #[derive(Debug, Clone, PartialEq, Eq, Hash)]
pub struct ExtXIFrameStreamInf { pub struct ExtXIFrameStreamInf {
@ -19,7 +30,7 @@ pub struct ExtXIFrameStreamInf {
impl ExtXIFrameStreamInf { impl ExtXIFrameStreamInf {
pub(crate) const PREFIX: &'static str = "#EXT-X-I-FRAME-STREAM-INF:"; pub(crate) const PREFIX: &'static str = "#EXT-X-I-FRAME-STREAM-INF:";
/// Makes a new `ExtXIFrameStreamInf` tag. /// Makes a new [ExtXIFrameStreamInf] tag.
pub fn new<T: ToString>(uri: T, bandwidth: u64) -> Self { pub fn new<T: ToString>(uri: T, bandwidth: u64) -> Self {
ExtXIFrameStreamInf { ExtXIFrameStreamInf {
uri: uri.to_string(), uri: uri.to_string(),
@ -27,7 +38,7 @@ impl ExtXIFrameStreamInf {
} }
} }
/// Returns the URI, that identifies the associated media playlist. /// Returns the `URI`, that identifies the associated media playlist.
/// ///
/// # Example /// # Example
/// ``` /// ```
@ -40,7 +51,7 @@ impl ExtXIFrameStreamInf {
&self.uri &self.uri
} }
/// Sets the URI, that identifies the associated media playlist. /// Sets the `URI`, that identifies the associated media playlist.
/// ///
/// # Example /// # Example
/// ``` /// ```
@ -55,9 +66,10 @@ impl ExtXIFrameStreamInf {
self.uri = value.to_string(); self.uri = value.to_string();
self self
} }
}
/// Returns the protocol compatibility version that this tag requires. impl RequiredVersion for ExtXIFrameStreamInf {
pub const fn requires_version(&self) -> ProtocolVersion { fn required_version(&self) -> ProtocolVersion {
ProtocolVersion::V1 ProtocolVersion::V1
} }
} }
@ -114,28 +126,26 @@ mod test {
#[test] #[test]
fn test_display() { fn test_display() {
let text = r#"#EXT-X-I-FRAME-STREAM-INF:URI="foo",BANDWIDTH=1000"#; assert_eq!(
assert_eq!(ExtXIFrameStreamInf::new("foo", 1000).to_string(), text); ExtXIFrameStreamInf::new("foo", 1000).to_string(),
"#EXT-X-I-FRAME-STREAM-INF:URI=\"foo\",BANDWIDTH=1000".to_string()
);
} }
#[test] #[test]
fn test_parser() { fn test_parser() {
let text = r#"#EXT-X-I-FRAME-STREAM-INF:URI="foo",BANDWIDTH=1000"#;
let i_frame_stream_inf = ExtXIFrameStreamInf::new("foo", 1000);
assert_eq!( assert_eq!(
text.parse::<ExtXIFrameStreamInf>().unwrap(), "#EXT-X-I-FRAME-STREAM-INF:URI=\"foo\",BANDWIDTH=1000"
i_frame_stream_inf.clone() .parse::<ExtXIFrameStreamInf>()
.unwrap(),
ExtXIFrameStreamInf::new("foo", 1000)
); );
assert_eq!(i_frame_stream_inf.uri(), "foo");
assert_eq!(i_frame_stream_inf.bandwidth(), 1000);
// TODO: test all the optional fields
} }
#[test] #[test]
fn test_requires_version() { fn test_required_version() {
assert_eq!( assert_eq!(
ExtXIFrameStreamInf::new("foo", 1000).requires_version(), ExtXIFrameStreamInf::new("foo", 1000).required_version(),
ProtocolVersion::V1 ProtocolVersion::V1
); );
} }

348
src/tags/master_playlist/media.rs
View file

@ -1,199 +1,110 @@
use std::fmt; use std::fmt;
use std::str::FromStr; use std::str::FromStr;
use derive_builder::Builder;
use crate::attribute::AttributePairs; use crate::attribute::AttributePairs;
use crate::types::{InStreamId, MediaType, ProtocolVersion}; use crate::types::{InStreamId, MediaType, ProtocolVersion, RequiredVersion};
use crate::utils::{parse_yes_or_no, quote, tag, unquote}; use crate::utils::{parse_yes_or_no, quote, tag, unquote};
use crate::Error; use crate::Error;
/// `ExtXMedia` builder. /// # [4.4.4.1. EXT-X-MEDIA]
#[derive(Debug, Clone)] /// The [ExtXMedia] tag is used to relate [Media Playlist]s that contain
pub struct ExtXMediaBuilder { /// alternative Renditions of the same content. For
media_type: Option<MediaType>, /// example, three [ExtXMedia] tags can be used to identify audio-only
/// [Media Playlist]s, that contain English, French, and Spanish Renditions
/// of the same presentation. Or, two [ExtXMedia] tags can be used to
/// identify video-only [Media Playlist]s that show two different camera
/// angles.
///
/// Its format is:
/// ```text
/// #EXT-X-MEDIA:<attribute-list>
/// ```
///
/// [Media Playlist]: crate::MediaPlaylist
/// [4.4.4.1. EXT-X-MEDIA]:
/// https://tools.ietf.org/html/draft-pantos-hls-rfc8216bis-04#section-4.4.4.1
#[derive(Builder, Debug, Clone, PartialEq, Eq, Hash)]
#[builder(setter(into))]
#[builder(build_fn(validate = "Self::validate"))]
pub struct ExtXMedia {
/// Sets the media type of the rendition.
media_type: MediaType,
#[builder(setter(strip_option, into), default)]
/// Sets the URI that identifies the media playlist.
uri: Option<String>, uri: Option<String>,
group_id: Option<String>, /// Sets the identifier that specifies the group to which the rendition belongs.
group_id: String,
/// Sets the name of the primary language used in the rendition.
#[builder(setter(strip_option, into), default)]
language: Option<String>, language: Option<String>,
/// Sets the name of a language associated with the rendition.
#[builder(setter(strip_option, into), default)]
assoc_language: Option<String>, assoc_language: Option<String>,
name: Option<String>, /// Sets a human-readable description of the rendition.
default: bool, name: String,
autoselect: Option<bool>, /// Sets the value of the `default` flag.
forced: Option<bool>, #[builder(default)]
is_default: bool,
/// Sets the value of the `autoselect` flag.
#[builder(default)]
is_autoselect: bool,
/// Sets the value of the `forced` flag.
#[builder(default)]
is_forced: bool,
/// Sets the identifier that specifies a rendition within the segments in the media playlist.
#[builder(setter(strip_option, into), default)]
instream_id: Option<InStreamId>, instream_id: Option<InStreamId>,
/// Sets the string that represents uniform type identifiers (UTI).
#[builder(setter(strip_option, into), default)]
characteristics: Option<String>, characteristics: Option<String>,
/// Sets the string that represents the parameters of the rendition.
#[builder(setter(strip_option, into), default)]
channels: Option<String>, channels: Option<String>,
} }
impl ExtXMediaBuilder { impl ExtXMediaBuilder {
/// Makes a `ExtXMediaBuilder` instance. fn validate(&self) -> Result<(), String> {
pub const fn new() -> Self {
ExtXMediaBuilder {
media_type: None,
uri: None,
group_id: None,
language: None,
assoc_language: None,
name: None,
default: false,
autoselect: None,
forced: None,
instream_id: None,
characteristics: None,
channels: None,
}
}
/// Sets the media type of the rendition.
pub fn media_type(&mut self, media_type: MediaType) -> &mut Self {
self.media_type = Some(media_type);
self
}
/// Sets the identifier that specifies the group to which the rendition belongs.
pub fn group_id<T: ToString>(&mut self, group_id: T) -> &mut Self {
self.group_id = Some(group_id.to_string());
self
}
/// Sets a human-readable description of the rendition.
pub fn name<T: ToString>(&mut self, name: T) -> &mut Self {
self.name = Some(name.to_string());
self
}
/// Sets the URI that identifies the media playlist.
pub fn uri<T: ToString>(&mut self, uri: T) -> &mut Self {
self.uri = Some(uri.to_string());
self
}
/// Sets the name of the primary language used in the rendition.
pub fn language<T: ToString>(&mut self, language: T) -> &mut Self {
self.language = Some(language.to_string());
self
}
/// Sets the name of a language associated with the rendition.
pub fn assoc_language<T: ToString>(&mut self, language: T) -> &mut Self {
self.assoc_language = Some(language.to_string());
self
}
/// Sets the value of the `default` flag.
pub fn default(&mut self, b: bool) -> &mut Self {
self.default = b;
self
}
/// Sets the value of the `autoselect` flag.
pub fn autoselect(&mut self, b: bool) -> &mut Self {
self.autoselect = Some(b);
self
}
/// Sets the value of the `forced` flag.
pub fn forced(&mut self, b: bool) -> &mut Self {
self.forced = Some(b);
self
}
/// Sets the identifier that specifies a rendition within the segments in the media playlist.
pub fn instream_id(&mut self, id: InStreamId) -> &mut Self {
self.instream_id = Some(id);
self
}
/// Sets the string that represents uniform type identifiers (UTI).
pub fn characteristics<T: ToString>(&mut self, characteristics: T) -> &mut Self {
self.characteristics = Some(characteristics.to_string());
self
}
/// Sets the string that represents the parameters of the rendition.
pub fn channels<T: ToString>(&mut self, channels: T) -> &mut Self {
self.channels = Some(channels.to_string());
self
}
/// Builds a `ExtXMedia` instance.
pub fn finish(self) -> crate::Result<ExtXMedia> {
let media_type = self let media_type = self
.media_type .media_type
.ok_or(Error::missing_value("self.media_type"))?; .ok_or(Error::missing_attribute("MEDIA-TYPE").to_string())?;
let group_id = self.group_id.ok_or(Error::missing_value("self.group_id"))?;
let name = self.name.ok_or(Error::missing_value("self.name"))?;
if MediaType::ClosedCaptions == media_type { if MediaType::ClosedCaptions == media_type {
if let None = self.uri { if self.uri.is_some() {
return Err(Error::missing_value("self.uri")); return Err(Error::custom(
"Unexpected attribute: \"URL\" for MediaType::ClosedCaptions!",
)
.to_string());
} }
self.instream_id self.instream_id
.ok_or(Error::missing_value("self.instream_id"))?; .ok_or(Error::missing_attribute("INSTREAM-ID").to_string())?;
} else { } else {
if let Some(_) = &self.instream_id { if self.instream_id.is_some() {
Err(Error::invalid_input())?; return Err(Error::custom("Unexpected attribute: \"INSTREAM-ID\"!").to_string());
} }
} }
if self.default && self.autoselect.is_some() { if self.is_default.unwrap_or(false) && !self.is_autoselect.unwrap_or(false) {
if let Some(value) = &self.autoselect { return Err(
if *value { Error::custom("If `DEFAULT` is true, `AUTOSELECT` has to be true too!").to_string(),
Err(Error::invalid_input())?; );
}
}
} }
if MediaType::Subtitles != media_type { if MediaType::Subtitles != media_type {
if self.forced.is_some() { if self.is_forced.is_some() {
Err(Error::invalid_input())?; return Err(Error::invalid_input().to_string());
} }
} }
Ok(ExtXMedia { Ok(())
media_type,
uri: self.uri,
group_id,
language: self.language,
assoc_language: self.assoc_language,
name,
default: self.default,
autoselect: self.autoselect.unwrap_or(false),
forced: self.forced.unwrap_or(false),
instream_id: self.instream_id,
characteristics: self.characteristics,
channels: self.channels,
})
} }
} }
impl Default for ExtXMediaBuilder {
fn default() -> Self {
Self::new()
}
}
/// [4.3.4.1. EXT-X-MEDIA]
///
/// [4.3.4.1. EXT-X-MEDIA]: https://tools.ietf.org/html/rfc8216#section-4.3.4.1
#[derive(Debug, Clone, PartialEq, Eq, Hash)]
pub struct ExtXMedia {
media_type: MediaType,
uri: Option<String>,
group_id: String,
language: Option<String>,
assoc_language: Option<String>,
name: String,
default: bool,
autoselect: bool,
forced: bool,
instream_id: Option<InStreamId>,
characteristics: Option<String>,
channels: Option<String>,
}
impl ExtXMedia { impl ExtXMedia {
pub(crate) const PREFIX: &'static str = "#EXT-X-MEDIA:"; pub(crate) const PREFIX: &'static str = "#EXT-X-MEDIA:";
/// Makes a new `ExtXMedia` tag. /// Makes a new [ExtXMedia] tag.
pub fn new<T: ToString>(media_type: MediaType, group_id: T, name: T) -> Self { pub fn new<T: ToString>(media_type: MediaType, group_id: T, name: T) -> Self {
ExtXMedia { ExtXMedia {
media_type, media_type,
@ -202,15 +113,20 @@ impl ExtXMedia {
language: None, language: None,
assoc_language: None, assoc_language: None,
name: name.to_string(), name: name.to_string(),
default: false, is_default: false,
autoselect: false, is_autoselect: false,
forced: false, is_forced: false,
instream_id: None, instream_id: None,
characteristics: None, characteristics: None,
channels: None, channels: None,
} }
} }
/// Makes a [ExtXMediaBuilder] for [ExtXMedia].
pub fn builder() -> ExtXMediaBuilder {
ExtXMediaBuilder::default()
}
/// Returns the type of the media associated with this tag. /// Returns the type of the media associated with this tag.
pub const fn media_type(&self) -> MediaType { pub const fn media_type(&self) -> MediaType {
self.media_type self.media_type
@ -242,19 +158,19 @@ impl ExtXMedia {
} }
/// Returns whether this is the default rendition. /// Returns whether this is the default rendition.
pub const fn default(&self) -> bool { pub const fn is_default(&self) -> bool {
self.default self.is_default
} }
/// Returns whether the client may choose to /// Returns whether the client may choose to
/// play this rendition in the absence of explicit user preference. /// play this rendition in the absence of explicit user preference.
pub const fn autoselect(&self) -> bool { pub const fn autoselect(&self) -> bool {
self.autoselect self.is_autoselect
} }
/// Returns whether the rendition contains content that is considered essential to play. /// Returns whether the rendition contains content that is considered essential to play.
pub const fn forced(&self) -> bool { pub const fn is_forced(&self) -> bool {
self.forced self.is_forced
} }
/// Returns the identifier that specifies a rendition within the segments in the media playlist. /// Returns the identifier that specifies a rendition within the segments in the media playlist.
@ -273,9 +189,10 @@ impl ExtXMedia {
pub fn channels(&self) -> Option<&String> { pub fn channels(&self) -> Option<&String> {
self.channels.as_ref() self.channels.as_ref()
} }
}
/// Returns the protocol compatibility version that this tag requires. impl RequiredVersion for ExtXMedia {
pub fn requires_version(&self) -> ProtocolVersion { fn required_version(&self) -> ProtocolVersion {
match self.instream_id { match self.instream_id {
None None
| Some(InStreamId::Cc1) | Some(InStreamId::Cc1)
@ -302,13 +219,13 @@ impl fmt::Display for ExtXMedia {
write!(f, ",ASSOC-LANGUAGE={}", quote(value))?; write!(f, ",ASSOC-LANGUAGE={}", quote(value))?;
} }
write!(f, ",NAME={}", quote(&self.name))?; write!(f, ",NAME={}", quote(&self.name))?;
if self.default { if self.is_default {
write!(f, ",DEFAULT=YES")?; write!(f, ",DEFAULT=YES")?;
} }
if self.autoselect { if self.is_autoselect {
write!(f, ",AUTOSELECT=YES")?; write!(f, ",AUTOSELECT=YES")?;
} }
if self.forced { if self.is_forced {
write!(f, ",FORCED=YES")?; write!(f, ",FORCED=YES")?;
} }
if let Some(value) = &self.instream_id { if let Some(value) = &self.instream_id {
@ -330,12 +247,12 @@ impl FromStr for ExtXMedia {
fn from_str(input: &str) -> Result<Self, Self::Err> { fn from_str(input: &str) -> Result<Self, Self::Err> {
let input = tag(input, Self::PREFIX)?; let input = tag(input, Self::PREFIX)?;
let mut builder = ExtXMediaBuilder::new(); let mut builder = ExtXMedia::builder();
for (key, value) in input.parse::<AttributePairs>()? { for (key, value) in input.parse::<AttributePairs>()? {
match key.as_str() { match key.as_str() {
"TYPE" => { "TYPE" => {
builder.media_type(value.parse()?); builder.media_type(value.parse::<MediaType>()?);
} }
"URI" => { "URI" => {
builder.uri(unquote(value)); builder.uri(unquote(value));
@ -353,16 +270,16 @@ impl FromStr for ExtXMedia {
builder.name(unquote(value)); builder.name(unquote(value));
} }
"DEFAULT" => { "DEFAULT" => {
builder.default((parse_yes_or_no(value))?); builder.is_default(parse_yes_or_no(value)?);
} }
"AUTOSELECT" => { "AUTOSELECT" => {
builder.autoselect((parse_yes_or_no(value))?); builder.is_autoselect(parse_yes_or_no(value)?);
} }
"FORCED" => { "FORCED" => {
builder.forced((parse_yes_or_no(value))?); builder.is_forced(parse_yes_or_no(value)?);
} }
"INSTREAM-ID" => { "INSTREAM-ID" => {
builder.instream_id(unquote(value).parse()?); builder.instream_id(unquote(value).parse::<InStreamId>()?);
} }
"CHARACTERISTICS" => { "CHARACTERISTICS" => {
builder.characteristics(unquote(value)); builder.characteristics(unquote(value));
@ -376,7 +293,7 @@ impl FromStr for ExtXMedia {
} }
} }
} }
(builder.finish()) builder.build().map_err(Error::builder_error)
} }
} }
@ -385,11 +302,74 @@ mod test {
use super::*; use super::*;
#[test] #[test]
fn ext_x_media() { fn test_display() {
let tag = ExtXMedia::new(MediaType::Audio, "foo", "bar"); // TODO: https://developer.apple.com/documentation/http_live_streaming/example_playlists_for_http_live_streaming/adding_alternate_media_to_a_playlist
let text = r#"#EXT-X-MEDIA:TYPE=AUDIO,GROUP-ID="foo",NAME="bar""#; assert_eq!(
assert_eq!(text.parse().ok(), Some(tag.clone())); ExtXMedia::builder()
assert_eq!(tag.to_string(), text); .media_type(MediaType::Audio)
assert_eq!(tag.requires_version(), ProtocolVersion::V1); .group_id("audio")
.language("eng")
.name("English")
.is_autoselect(true)
.is_default(true)
.uri("eng/prog_index.m3u8")
.build()
.unwrap()
.to_string(),
"#EXT-X-MEDIA:\
TYPE=AUDIO,\
URI=\"eng/prog_index.m3u8\",\
GROUP-ID=\"audio\",\
LANGUAGE=\"eng\",\
NAME=\"English\",\
DEFAULT=YES,\
AUTOSELECT=YES"
.to_string()
);
assert_eq!(
ExtXMedia::builder()
.media_type(MediaType::Audio)
.group_id("audio")
.language("fre")
.name("Français")
.is_autoselect(true)
.is_default(false)
.uri("fre/prog_index.m3u8")
.build()
.unwrap()
.to_string(),
"#EXT-X-MEDIA:\
TYPE=AUDIO,\
URI=\"fre/prog_index.m3u8\",\
GROUP-ID=\"audio\",\
LANGUAGE=\"fre\",\
NAME=\"Français\",\
AUTOSELECT=YES"
.to_string()
);
assert_eq!(
ExtXMedia::new(MediaType::Audio, "foo", "bar").to_string(),
"#EXT-X-MEDIA:TYPE=AUDIO,GROUP-ID=\"foo\",NAME=\"bar\"".to_string()
)
}
#[test]
fn test_parser() {
assert_eq!(
ExtXMedia::new(MediaType::Audio, "foo", "bar"),
"#EXT-X-MEDIA:TYPE=AUDIO,GROUP-ID=\"foo\",NAME=\"bar\""
.parse()
.unwrap()
)
}
#[test]
fn test_required_version() {
assert_eq!(
ExtXMedia::new(MediaType::Audio, "foo", "bar").required_version(),
ProtocolVersion::V1
)
} }
} }

139
src/tags/master_playlist/session_data.rs
View file

@ -4,7 +4,7 @@ use std::str::FromStr;
use derive_builder::Builder; use derive_builder::Builder;
use crate::attribute::AttributePairs; use crate::attribute::AttributePairs;
use crate::types::ProtocolVersion; use crate::types::{ProtocolVersion, RequiredVersion};
use crate::utils::{quote, tag, unquote}; use crate::utils::{quote, tag, unquote};
use crate::Error; use crate::Error;
@ -22,11 +22,12 @@ pub enum SessionData {
Uri(String), Uri(String),
} }
/// [4.3.4.4. EXT-X-SESSION-DATA] /// # [4.3.4.4. EXT-X-SESSION-DATA]
/// ///
/// The [ExtXSessionData] tag allows arbitrary session data to be /// The [ExtXSessionData] tag allows arbitrary session data to be
/// carried in a [Master Playlist](crate::MasterPlaylist). /// carried in a [Master Playlist].
/// ///
/// [Master Playlist]: crate::MasterPlaylist
/// [4.3.4.4. EXT-X-SESSION-DATA]: https://tools.ietf.org/html/rfc8216#section-4.3.4.4 /// [4.3.4.4. EXT-X-SESSION-DATA]: https://tools.ietf.org/html/rfc8216#section-4.3.4.4
#[derive(Builder, Hash, Eq, Ord, Debug, PartialEq, Clone, PartialOrd)] #[derive(Builder, Hash, Eq, Ord, Debug, PartialEq, Clone, PartialOrd)]
#[builder(setter(into))] #[builder(setter(into))]
@ -243,18 +244,10 @@ impl ExtXSessionData {
self.data = value; self.data = value;
self self
} }
}
/// Returns the protocol compatibility version, that this tag requires. impl RequiredVersion for ExtXSessionData {
/// fn required_version(&self) -> ProtocolVersion {
/// # Example
/// ```
/// # use hls_m3u8::types::ProtocolVersion;
/// # use hls_m3u8::tags::{ExtXSessionData, SessionData};
/// #
/// let tag = ExtXSessionData::new("foo", SessionData::Value("bar".into()));
/// assert_eq!(tag.requires_version(), ProtocolVersion::V1);
/// ```
pub const fn requires_version(&self) -> ProtocolVersion {
ProtocolVersion::V1 ProtocolVersion::V1
} }
} }
@ -327,40 +320,73 @@ mod test {
#[test] #[test]
fn test_display() { fn test_display() {
let tag = ExtXSessionData::new("foo", SessionData::Value("bar".into())); assert_eq!(
let text = r#"#EXT-X-SESSION-DATA:DATA-ID="foo",VALUE="bar""#; "#EXT-X-SESSION-DATA:DATA-ID=\"com.example.lyrics\",URI=\"lyrics.json\"".to_string(),
assert_eq!(tag.to_string(), text); ExtXSessionData::new(
"com.example.lyrics",
SessionData::Uri("lyrics.json".to_string())
)
.to_string()
);
let tag = ExtXSessionData::new("foo", SessionData::Uri("bar".into())); assert_eq!(
let text = r#"#EXT-X-SESSION-DATA:DATA-ID="foo",URI="bar""#; "#EXT-X-SESSION-DATA:DATA-ID=\"com.example.title\",\
assert_eq!(tag.to_string(), text); VALUE=\"This is an example\",LANGUAGE=\"en\""
.to_string(),
ExtXSessionData::with_language(
"com.example.title",
SessionData::Value("This is an example".to_string()),
"en"
)
.to_string()
);
let tag = ExtXSessionData::with_language("foo", SessionData::Value("bar".into()), "baz"); assert_eq!(
let text = r#"#EXT-X-SESSION-DATA:DATA-ID="foo",VALUE="bar",LANGUAGE="baz""#; "#EXT-X-SESSION-DATA:DATA-ID=\"com.example.title\",\
assert_eq!(tag.to_string(), text); VALUE=\"Este es un ejemplo\",LANGUAGE=\"es\""
.to_string(),
ExtXSessionData::with_language(
"com.example.title",
SessionData::Value("Este es un ejemplo".to_string()),
"es"
)
.to_string()
);
assert_eq!(
"#EXT-X-SESSION-DATA:DATA-ID=\"foo\",VALUE=\"bar\"".to_string(),
ExtXSessionData::new("foo", SessionData::Value("bar".into())).to_string()
);
assert_eq!(
"#EXT-X-SESSION-DATA:DATA-ID=\"foo\",URI=\"bar\"".to_string(),
ExtXSessionData::new("foo", SessionData::Uri("bar".into())).to_string()
);
assert_eq!(
"#EXT-X-SESSION-DATA:DATA-ID=\"foo\",VALUE=\"bar\",LANGUAGE=\"baz\"".to_string(),
ExtXSessionData::with_language("foo", SessionData::Value("bar".into()), "baz")
.to_string()
);
} }
#[test] #[test]
fn test_parser() { fn test_parser() {
let tag = "#EXT-X-SESSION-DATA:DATA-ID=\"com.example.lyrics\",URI=\"lyrics.json\""
.parse::<ExtXSessionData>()
.unwrap();
assert_eq!( assert_eq!(
tag, "#EXT-X-SESSION-DATA:DATA-ID=\"com.example.lyrics\",URI=\"lyrics.json\""
.parse::<ExtXSessionData>()
.unwrap(),
ExtXSessionData::new( ExtXSessionData::new(
"com.example.lyrics", "com.example.lyrics",
SessionData::Uri("lyrics.json".to_string()) SessionData::Uri("lyrics.json".to_string())
) )
); );
let tag = "#EXT-X-SESSION-DATA:DATA-ID=\"com.example.title\",\ assert_eq!(
"#EXT-X-SESSION-DATA:DATA-ID=\"com.example.title\",\
LANGUAGE=\"en\", VALUE=\"This is an example\"" LANGUAGE=\"en\", VALUE=\"This is an example\""
.parse::<ExtXSessionData>() .parse::<ExtXSessionData>()
.unwrap(); .unwrap(),
assert_eq!(
tag,
ExtXSessionData::with_language( ExtXSessionData::with_language(
"com.example.title", "com.example.title",
SessionData::Value("This is an example".to_string()), SessionData::Value("This is an example".to_string()),
@ -368,13 +394,11 @@ mod test {
) )
); );
let tag = "#EXT-X-SESSION-DATA:DATA-ID=\"com.example.title\",\ assert_eq!(
"#EXT-X-SESSION-DATA:DATA-ID=\"com.example.title\",\
LANGUAGE=\"es\", VALUE=\"Este es un ejemplo\"" LANGUAGE=\"es\", VALUE=\"Este es un ejemplo\""
.parse::<ExtXSessionData>() .parse::<ExtXSessionData>()
.unwrap(); .unwrap(),
assert_eq!(
tag,
ExtXSessionData::with_language( ExtXSessionData::with_language(
"com.example.title", "com.example.title",
SessionData::Value("Este es un ejemplo".to_string()), SessionData::Value("Este es un ejemplo".to_string()),
@ -382,16 +406,37 @@ mod test {
) )
); );
let tag = ExtXSessionData::new("foo", SessionData::Value("bar".into())); assert_eq!(
let text = r#"#EXT-X-SESSION-DATA:DATA-ID="foo",VALUE="bar""#; "#EXT-X-SESSION-DATA:DATA-ID=\"foo\",VALUE=\"bar\""
assert_eq!(text.parse::<ExtXSessionData>().unwrap(), tag); .parse::<ExtXSessionData>()
.unwrap(),
ExtXSessionData::new("foo", SessionData::Value("bar".into()))
);
let tag = ExtXSessionData::new("foo", SessionData::Uri("bar".into())); assert_eq!(
let text = r#"#EXT-X-SESSION-DATA:DATA-ID="foo",URI="bar""#; "#EXT-X-SESSION-DATA:DATA-ID=\"foo\",URI=\"bar\""
assert_eq!(text.parse::<ExtXSessionData>().unwrap(), tag); .parse::<ExtXSessionData>()
.unwrap(),
ExtXSessionData::new("foo", SessionData::Uri("bar".into()))
);
let tag = ExtXSessionData::with_language("foo", SessionData::Value("bar".into()), "baz"); assert_eq!(
let text = r#"#EXT-X-SESSION-DATA:DATA-ID="foo",VALUE="bar",LANGUAGE="baz""#; "#EXT-X-SESSION-DATA:DATA-ID=\"foo\",VALUE=\"bar\",LANGUAGE=\"baz\""
assert_eq!(text.parse::<ExtXSessionData>().unwrap(), tag); .parse::<ExtXSessionData>()
.unwrap(),
ExtXSessionData::with_language("foo", SessionData::Value("bar".into()), "baz")
);
}
#[test]
fn test_required_version() {
assert_eq!(
ExtXSessionData::new(
"com.example.lyrics",
SessionData::Uri("lyrics.json".to_string())
)
.required_version(),
ProtocolVersion::V1
);
} }
} }

83
src/tags/master_playlist/session_key.rs
View file

@ -2,12 +2,23 @@ use std::fmt;
use std::ops::{Deref, DerefMut}; use std::ops::{Deref, DerefMut};
use std::str::FromStr; use std::str::FromStr;
use crate::types::{DecryptionKey, EncryptionMethod, ProtocolVersion}; use crate::types::{DecryptionKey, EncryptionMethod, ProtocolVersion, RequiredVersion};
use crate::utils::tag; use crate::utils::tag;
use crate::Error; use crate::Error;
/// [4.3.4.5. EXT-X-SESSION-KEY] /// # [4.3.4.5. EXT-X-SESSION-KEY]
/// The [ExtXSessionKey] tag allows encryption keys from [Media Playlist]s
/// to be specified in a [Master Playlist]. This allows the client to
/// preload these keys without having to read the [Media Playlist]s
/// first.
/// ///
/// Its format is:
/// ```text
/// #EXT-X-SESSION-KEY:<attribute-list>
/// ```
///
/// [Media Playlist]: crate::MediaPlaylist
/// [Master Playlist]: crate::MasterPlaylist
/// [4.3.4.5. EXT-X-SESSION-KEY]: https://tools.ietf.org/html/rfc8216#section-4.3.4.5 /// [4.3.4.5. EXT-X-SESSION-KEY]: https://tools.ietf.org/html/rfc8216#section-4.3.4.5
#[derive(Debug, Clone, PartialEq, Eq, Hash)] #[derive(Debug, Clone, PartialEq, Eq, Hash)]
pub struct ExtXSessionKey(DecryptionKey); pub struct ExtXSessionKey(DecryptionKey);
@ -16,8 +27,21 @@ impl ExtXSessionKey {
pub(crate) const PREFIX: &'static str = "#EXT-X-SESSION-KEY:"; pub(crate) const PREFIX: &'static str = "#EXT-X-SESSION-KEY:";
/// Makes a new [ExtXSessionKey] tag. /// Makes a new [ExtXSessionKey] tag.
///
/// # Panic /// # Panic
/// This method will panic, if the [EncryptionMethod] is None. /// An [ExtXSessionKey] should only be used, if the segments of the stream are encrypted.
/// Therefore this function will panic, if the `method` is [EncryptionMethod::None].
///
/// # Example
/// ```
/// # use hls_m3u8::tags::ExtXSessionKey;
/// use hls_m3u8::types::EncryptionMethod;
///
/// let session_key = ExtXSessionKey::new(
/// EncryptionMethod::Aes128,
/// "https://www.example.com/"
/// );
/// ```
pub fn new<T: ToString>(method: EncryptionMethod, uri: T) -> Self { pub fn new<T: ToString>(method: EncryptionMethod, uri: T) -> Self {
if method == EncryptionMethod::None { if method == EncryptionMethod::None {
panic!("The EncryptionMethod is not allowed to be None"); panic!("The EncryptionMethod is not allowed to be None");
@ -25,36 +49,19 @@ impl ExtXSessionKey {
Self(DecryptionKey::new(method, uri)) Self(DecryptionKey::new(method, uri))
} }
}
/// Returns the protocol compatibility version that this tag requires. impl RequiredVersion for ExtXSessionKey {
/// # Example fn required_version(&self) -> ProtocolVersion {
/// ``` self.0.required_version()
/// use hls_m3u8::tags::ExtXSessionKey;
/// use hls_m3u8::types::{EncryptionMethod, ProtocolVersion};
///
/// let mut key = ExtXSessionKey::new(
/// EncryptionMethod::Aes128,
/// "https://www.example.com/"
/// );
///
/// assert_eq!(
/// key.requires_version(),
/// ProtocolVersion::V1
/// );
/// ```
pub fn requires_version(&self) -> ProtocolVersion {
if self.0.key_format.is_some() | self.0.key_format_versions.is_some() {
ProtocolVersion::V5
} else if self.0.iv.is_some() {
ProtocolVersion::V2
} else {
ProtocolVersion::V1
}
} }
} }
impl fmt::Display for ExtXSessionKey { impl fmt::Display for ExtXSessionKey {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result { fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
if self.0.method == EncryptionMethod::None {
return Err(fmt::Error);
}
write!(f, "{}{}", Self::PREFIX, self.0) write!(f, "{}{}", Self::PREFIX, self.0)
} }
} }
@ -85,7 +92,7 @@ impl DerefMut for ExtXSessionKey {
#[cfg(test)] #[cfg(test)]
mod test { mod test {
use super::*; use super::*;
use crate::types::EncryptionMethod; use crate::types::{EncryptionMethod, KeyFormat};
#[test] #[test]
fn test_display() { fn test_display() {
@ -135,12 +142,26 @@ mod test {
key key
); );
key.set_key_format("baz"); key.set_key_format(Some(KeyFormat::Identity));
assert_eq!( assert_eq!(
r#"#EXT-X-SESSION-KEY:METHOD=AES-128,URI="https://www.example.com/hls-key/key.bin",IV=0x10ef8f758ca555115584bb5b3c687f52,KEYFORMAT="baz""# "#EXT-X-SESSION-KEY:\
.parse::<ExtXSessionKey>().unwrap(), METHOD=AES-128,\
URI=\"https://www.example.com/hls-key/key.bin\",\
IV=0x10ef8f758ca555115584bb5b3c687f52,\
KEYFORMAT=\"identity\""
.parse::<ExtXSessionKey>()
.unwrap(),
key key
) )
} }
#[test]
fn test_required_version() {
assert_eq!(
ExtXSessionKey::new(EncryptionMethod::Aes128, "https://www.example.com/")
.required_version(),
ProtocolVersion::V1
);
}
} }

31
src/tags/master_playlist/stream_inf.rs
View file

@ -3,7 +3,9 @@ use std::ops::{Deref, DerefMut};
use std::str::FromStr; use std::str::FromStr;
use crate::attribute::AttributePairs; use crate::attribute::AttributePairs;
use crate::types::{ClosedCaptions, DecimalFloatingPoint, ProtocolVersion, StreamInf}; use crate::types::{
ClosedCaptions, DecimalFloatingPoint, ProtocolVersion, RequiredVersion, StreamInf,
};
use crate::utils::{quote, tag, unquote}; use crate::utils::{quote, tag, unquote};
use crate::Error; use crate::Error;
@ -23,7 +25,9 @@ pub struct ExtXStreamInf {
impl ExtXStreamInf { impl ExtXStreamInf {
pub(crate) const PREFIX: &'static str = "#EXT-X-STREAM-INF:"; pub(crate) const PREFIX: &'static str = "#EXT-X-STREAM-INF:";
/// Makes a new [ExtXStreamInf] tag. /// Creates a new [ExtXStreamInf] tag.
///
/// # Examples
/// ``` /// ```
/// # use hls_m3u8::tags::ExtXStreamInf; /// # use hls_m3u8::tags::ExtXStreamInf;
/// # /// #
@ -40,11 +44,23 @@ impl ExtXStreamInf {
} }
} }
/// Returns the URI that identifies the associated media playlist. /// Sets the `URI` that identifies the associated media playlist.
pub fn set_uri<T: ToString>(&mut self, value: T) -> &mut Self {
self.uri = value.to_string();
self
}
/// Returns the `URI` that identifies the associated media playlist.
pub const fn uri(&self) -> &String { pub const fn uri(&self) -> &String {
&self.uri &self.uri
} }
/// Sets the maximum frame rate for all the video in the variant stream.
pub fn set_frame_rate(&mut self, value: Option<f64>) -> &mut Self {
self.frame_rate = value.map(|v| v.into());
self
}
/// Returns the maximum frame rate for all the video in the variant stream. /// Returns the maximum frame rate for all the video in the variant stream.
pub fn frame_rate(&self) -> Option<f64> { pub fn frame_rate(&self) -> Option<f64> {
self.frame_rate.map_or(None, |v| Some(v.as_f64())) self.frame_rate.map_or(None, |v| Some(v.as_f64()))
@ -64,9 +80,10 @@ impl ExtXStreamInf {
pub fn closed_captions(&self) -> Option<&ClosedCaptions> { pub fn closed_captions(&self) -> Option<&ClosedCaptions> {
self.closed_captions.as_ref() self.closed_captions.as_ref()
} }
}
/// Returns the protocol compatibility version that this tag requires. impl RequiredVersion for ExtXStreamInf {
pub const fn requires_version(&self) -> ProtocolVersion { fn required_version(&self) -> ProtocolVersion {
ProtocolVersion::V1 ProtocolVersion::V1
} }
} }
@ -158,10 +175,10 @@ mod test {
} }
#[test] #[test]
fn test_requires_version() { fn test_required_version() {
assert_eq!( assert_eq!(
ProtocolVersion::V1, ProtocolVersion::V1,
ExtXStreamInf::new("http://www.example.com", 1000).requires_version() ExtXStreamInf::new("http://www.example.com", 1000).required_version()
); );
} }

98
src/tags/media_playlist/discontinuity_sequence.rs
View file

@ -1,40 +1,81 @@
use std::fmt; use std::fmt;
use std::str::FromStr; use std::str::FromStr;
use crate::types::ProtocolVersion; use crate::types::{ProtocolVersion, RequiredVersion};
use crate::utils::tag; use crate::utils::tag;
/// [4.3.3.3. EXT-X-DISCONTINUITY-SEQUENCE] /// # [4.4.3.3. EXT-X-DISCONTINUITY-SEQUENCE]
/// ///
/// [4.3.3.3. EXT-X-DISCONTINUITY-SEQUENCE]: https://tools.ietf.org/html/rfc8216#section-4.3.3.3 /// The [ExtXDiscontinuitySequence] tag allows synchronization between
#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)] /// different Renditions of the same Variant Stream or different Variant
pub struct ExtXDiscontinuitySequence { /// Streams that have [ExtXDiscontinuity] tags in their [Media Playlist]s.
seq_num: u64, ///
} /// Its format is:
/// ```text
/// #EXT-X-DISCONTINUITY-SEQUENCE:<number>
/// ```
/// where `number` is a [u64].
///
/// [ExtXDiscontinuity]: crate::tags::ExtXDiscontinuity
/// [Media Playlist]: crate::MediaPlaylist
/// [4.4.3.3. EXT-X-DISCONTINUITY-SEQUENCE]:
/// https://tools.ietf.org/html/draft-pantos-hls-rfc8216bis-04#section-4.4.3.3
#[derive(Default, Debug, Clone, Copy, PartialEq, Eq, Hash, Ord, PartialOrd)]
pub struct ExtXDiscontinuitySequence(u64);
impl ExtXDiscontinuitySequence { impl ExtXDiscontinuitySequence {
pub(crate) const PREFIX: &'static str = "#EXT-X-DISCONTINUITY-SEQUENCE:"; pub(crate) const PREFIX: &'static str = "#EXT-X-DISCONTINUITY-SEQUENCE:";
/// Makes a new `ExtXDiscontinuitySequence` tag. /// Makes a new [ExtXDiscontinuitySequence] tag.
///
/// # Example
/// ```
/// # use hls_m3u8::tags::ExtXDiscontinuitySequence;
/// let discontinuity_sequence = ExtXDiscontinuitySequence::new(5);
/// ```
pub const fn new(seq_num: u64) -> Self { pub const fn new(seq_num: u64) -> Self {
ExtXDiscontinuitySequence { seq_num } Self(seq_num)
} }
/// Returns the discontinuity sequence number of /// Returns the discontinuity sequence number of
/// the first media segment that appears in the associated playlist. /// the first media segment that appears in the associated playlist.
pub const fn seq_num(self) -> u64 { ///
self.seq_num /// # Example
/// ```
/// # use hls_m3u8::tags::ExtXDiscontinuitySequence;
/// let discontinuity_sequence = ExtXDiscontinuitySequence::new(5);
///
/// assert_eq!(discontinuity_sequence.seq_num(), 5);
/// ```
pub const fn seq_num(&self) -> u64 {
self.0
} }
/// Returns the protocol compatibility version that this tag requires. /// Sets the sequence number.
pub const fn requires_version(self) -> ProtocolVersion { ///
/// # Example
/// ```
/// # use hls_m3u8::tags::ExtXDiscontinuitySequence;
/// let mut discontinuity_sequence = ExtXDiscontinuitySequence::new(5);
///
/// discontinuity_sequence.set_seq_num(10);
/// assert_eq!(discontinuity_sequence.seq_num(), 10);
/// ```
pub fn set_seq_num(&mut self, value: u64) -> &mut Self {
self.0 = value;
self
}
}
impl RequiredVersion for ExtXDiscontinuitySequence {
fn required_version(&self) -> ProtocolVersion {
ProtocolVersion::V1 ProtocolVersion::V1
} }
} }
impl fmt::Display for ExtXDiscontinuitySequence { impl fmt::Display for ExtXDiscontinuitySequence {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result { fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
write!(f, "{}{}", Self::PREFIX, self.seq_num) write!(f, "{}{}", Self::PREFIX, self.0)
} }
} }
@ -42,7 +83,7 @@ impl FromStr for ExtXDiscontinuitySequence {
type Err = crate::Error; type Err = crate::Error;
fn from_str(input: &str) -> Result<Self, Self::Err> { fn from_str(input: &str) -> Result<Self, Self::Err> {
let seq_num = tag(input, Self::PREFIX)?.parse().unwrap(); // TODO! let seq_num = tag(input, Self::PREFIX)?.parse()?;
Ok(Self::new(seq_num)) Ok(Self::new(seq_num))
} }
} }
@ -52,11 +93,26 @@ mod test {
use super::*; use super::*;
#[test] #[test]
fn ext_x_discontinuity_sequence() { fn test_display() {
let tag = ExtXDiscontinuitySequence::new(123); assert_eq!(
let text = "#EXT-X-DISCONTINUITY-SEQUENCE:123"; ExtXDiscontinuitySequence::new(123).to_string(),
assert_eq!(text.parse().ok(), Some(tag)); "#EXT-X-DISCONTINUITY-SEQUENCE:123".to_string()
assert_eq!(tag.to_string(), text); );
assert_eq!(tag.requires_version(), ProtocolVersion::V1); }
#[test]
fn test_required_version() {
assert_eq!(
ExtXDiscontinuitySequence::new(123).required_version(),
ProtocolVersion::V1
)
}
#[test]
fn test_parser() {
assert_eq!(
ExtXDiscontinuitySequence::new(123),
"#EXT-X-DISCONTINUITY-SEQUENCE:123".parse().unwrap()
);
} }
} }

40
src/tags/media_playlist/end_list.rs
View file

@ -1,20 +1,32 @@
use std::fmt; use std::fmt;
use std::str::FromStr; use std::str::FromStr;
use crate::types::ProtocolVersion; use crate::types::{ProtocolVersion, RequiredVersion};
use crate::utils::tag; use crate::utils::tag;
use crate::Error; use crate::Error;
/// [4.3.3.4. EXT-X-ENDLIST] /// # [4.4.3.4. EXT-X-ENDLIST]
/// The [ExtXEndList] tag indicates, that no more [Media Segment]s will be
/// added to the [Media Playlist] file.
/// ///
/// [4.3.3.4. EXT-X-ENDLIST]: https://tools.ietf.org/html/rfc8216#section-4.3.3.4 /// Its format is:
/// ```text
/// #EXT-X-ENDLIST
/// ```
///
/// [Media Segment]: crate::MediaSegment
/// [Media Playlist]: crate::MediaPlaylist
/// [4.4.3.4. EXT-X-ENDLIST]:
/// https://tools.ietf.org/html/draft-pantos-hls-rfc8216bis-04#section-4.4.3.4
#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)] #[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
pub struct ExtXEndList; pub struct ExtXEndList;
impl ExtXEndList { impl ExtXEndList {
pub(crate) const PREFIX: &'static str = "#EXT-X-ENDLIST"; pub(crate) const PREFIX: &'static str = "#EXT-X-ENDLIST";
}
/// Returns the protocol compatibility version that this tag requires. impl RequiredVersion for ExtXEndList {
pub const fn requires_version(self) -> ProtocolVersion { fn required_version(&self) -> ProtocolVersion {
ProtocolVersion::V1 ProtocolVersion::V1
} }
} }
@ -39,11 +51,17 @@ mod test {
use super::*; use super::*;
#[test] #[test]
fn ext_x_endlist() { fn test_display() {
let tag = ExtXEndList; assert_eq!(ExtXEndList.to_string(), "#EXT-X-ENDLIST".to_string());
let text = "#EXT-X-ENDLIST"; }
assert_eq!(text.parse().ok(), Some(tag));
assert_eq!(tag.to_string(), text); #[test]
assert_eq!(tag.requires_version(), ProtocolVersion::V1); fn test_parser() {
assert_eq!(ExtXEndList, "#EXT-X-ENDLIST".parse().unwrap());
}
#[test]
fn test_required_version() {
assert_eq!(ExtXEndList.required_version(), ProtocolVersion::V1);
} }
} }

44
src/tags/media_playlist/i_frames_only.rs
View file

@ -1,21 +1,34 @@
use std::fmt; use std::fmt;
use std::str::FromStr; use std::str::FromStr;
use crate::types::ProtocolVersion; use crate::types::{ProtocolVersion, RequiredVersion};
use crate::utils::tag; use crate::utils::tag;
use crate::Error; use crate::Error;
/// [4.3.3.6. EXT-X-I-FRAMES-ONLY] /// # [4.4.3.6. EXT-X-I-FRAMES-ONLY]
/// The [ExtXIFramesOnly] tag indicates that each [Media Segment] in the
/// Playlist describes a single I-frame. I-frames are encoded video
/// frames, whose decoding does not depend on any other frame. I-frame
/// Playlists can be used for trick play, such as fast forward, rapid
/// reverse, and scrubbing.
/// ///
/// [4.3.3.6. EXT-X-I-FRAMES-ONLY]: https://tools.ietf.org/html/rfc8216#section-4.3.3.6 /// Its format is:
/// ```text
/// #EXT-X-I-FRAMES-ONLY
/// ```
///
/// [Media Segment]: crate::MediaSegment
/// [4.4.3.6. EXT-X-I-FRAMES-ONLY]:
/// https://tools.ietf.org/html/draft-pantos-hls-rfc8216bis-04#section-4.4.3.6
#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)] #[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
pub struct ExtXIFramesOnly; pub struct ExtXIFramesOnly;
impl ExtXIFramesOnly { impl ExtXIFramesOnly {
pub(crate) const PREFIX: &'static str = "#EXT-X-I-FRAMES-ONLY"; pub(crate) const PREFIX: &'static str = "#EXT-X-I-FRAMES-ONLY";
}
/// Returns the protocol compatibility version that this tag requires. impl RequiredVersion for ExtXIFramesOnly {
pub const fn requires_version(self) -> ProtocolVersion { fn required_version(&self) -> ProtocolVersion {
ProtocolVersion::V4 ProtocolVersion::V4
} }
} }
@ -40,11 +53,20 @@ mod test {
use super::*; use super::*;
#[test] #[test]
fn ext_i_frames_only() { fn test_display() {
let tag = ExtXIFramesOnly; assert_eq!(
let text = "#EXT-X-I-FRAMES-ONLY"; ExtXIFramesOnly.to_string(),
assert_eq!(text.parse().ok(), Some(tag)); "#EXT-X-I-FRAMES-ONLY".to_string(),
assert_eq!(tag.to_string(), text); )
assert_eq!(tag.requires_version(), ProtocolVersion::V4); }
#[test]
fn test_parser() {
assert_eq!(ExtXIFramesOnly, "#EXT-X-I-FRAMES-ONLY".parse().unwrap(),)
}
#[test]
fn test_required_version() {
assert_eq!(ExtXIFramesOnly.required_version(), ProtocolVersion::V4)
} }
} }

97
src/tags/media_playlist/media_sequence.rs
View file

@ -1,40 +1,79 @@
use std::fmt; use std::fmt;
use std::str::FromStr; use std::str::FromStr;
use crate::types::ProtocolVersion; use crate::types::{ProtocolVersion, RequiredVersion};
use crate::utils::tag; use crate::utils::tag;
use crate::Error; use crate::Error;
/// [4.3.3.2. EXT-X-MEDIA-SEQUENCE] /// # [4.4.3.2. EXT-X-MEDIA-SEQUENCE]
/// The [ExtXMediaSequence] tag indicates the Media Sequence Number of
/// the first [Media Segment] that appears in a Playlist file.
/// ///
/// [4.3.3.2. EXT-X-MEDIA-SEQUENCE]: https://tools.ietf.org/html/rfc8216#section-4.3.3.2 /// Its format is:
#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)] /// ```text
pub struct ExtXMediaSequence { /// #EXT-X-MEDIA-SEQUENCE:<number>
seq_num: u64, /// ```
} /// where `number` is a [u64].
///
/// [Media Segment]: crate::MediaSegment
/// [4.4.3.2. EXT-X-MEDIA-SEQUENCE]:
/// https://tools.ietf.org/html/draft-pantos-hls-rfc8216bis-04#section-4.4.3.2
#[derive(Default, Debug, Clone, Copy, PartialEq, Eq, Hash, Ord, PartialOrd)]
pub struct ExtXMediaSequence(u64);
impl ExtXMediaSequence { impl ExtXMediaSequence {
pub(crate) const PREFIX: &'static str = "#EXT-X-MEDIA-SEQUENCE:"; pub(crate) const PREFIX: &'static str = "#EXT-X-MEDIA-SEQUENCE:";
/// Makes a new `ExtXMediaSequence` tag. /// Makes a new [ExtXMediaSequence] tag.
///
/// # Example
/// ```
/// # use hls_m3u8::tags::ExtXMediaSequence;
/// let media_sequence = ExtXMediaSequence::new(5);
/// ```
pub const fn new(seq_num: u64) -> Self { pub const fn new(seq_num: u64) -> Self {
ExtXMediaSequence { seq_num } Self(seq_num)
} }
/// Returns the sequence number of the first media segment that appears in the associated playlist. /// Returns the sequence number of the first media segment,
pub const fn seq_num(self) -> u64 { /// that appears in the associated playlist.
self.seq_num ///
/// # Example
/// ```
/// # use hls_m3u8::tags::ExtXMediaSequence;
/// let media_sequence = ExtXMediaSequence::new(5);
///
/// assert_eq!(media_sequence.seq_num(), 5);
/// ```
pub const fn seq_num(&self) -> u64 {
self.0
} }
/// Returns the protocol compatibility version that this tag requires. /// Sets the sequence number.
pub const fn requires_version(self) -> ProtocolVersion { ///
/// # Example
/// ```
/// # use hls_m3u8::tags::ExtXMediaSequence;
/// let mut media_sequence = ExtXMediaSequence::new(5);
///
/// media_sequence.set_seq_num(10);
/// assert_eq!(media_sequence.seq_num(), 10);
/// ```
pub fn set_seq_num(&mut self, value: u64) -> &mut Self {
self.0 = value;
self
}
}
impl RequiredVersion for ExtXMediaSequence {
fn required_version(&self) -> ProtocolVersion {
ProtocolVersion::V1 ProtocolVersion::V1
} }
} }
impl fmt::Display for ExtXMediaSequence { impl fmt::Display for ExtXMediaSequence {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result { fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
write!(f, "{}{}", Self::PREFIX, self.seq_num) write!(f, "{}{}", Self::PREFIX, self.0)
} }
} }
@ -43,7 +82,6 @@ impl FromStr for ExtXMediaSequence {
fn from_str(input: &str) -> Result<Self, Self::Err> { fn from_str(input: &str) -> Result<Self, Self::Err> {
let seq_num = tag(input, Self::PREFIX)?.parse()?; let seq_num = tag(input, Self::PREFIX)?.parse()?;
Ok(ExtXMediaSequence::new(seq_num)) Ok(ExtXMediaSequence::new(seq_num))
} }
} }
@ -53,11 +91,26 @@ mod test {
use super::*; use super::*;
#[test] #[test]
fn ext_x_media_sequence() { fn test_display() {
let tag = ExtXMediaSequence::new(123); assert_eq!(
let text = "#EXT-X-MEDIA-SEQUENCE:123"; ExtXMediaSequence::new(123).to_string(),
assert_eq!(text.parse().ok(), Some(tag)); "#EXT-X-MEDIA-SEQUENCE:123".to_string()
assert_eq!(tag.to_string(), text); );
assert_eq!(tag.requires_version(), ProtocolVersion::V1); }
#[test]
fn test_required_version() {
assert_eq!(
ExtXMediaSequence::new(123).required_version(),
ProtocolVersion::V1
);
}
#[test]
fn test_parser() {
assert_eq!(
ExtXMediaSequence::new(123),
"#EXT-X-MEDIA-SEQUENCE:123".parse().unwrap()
);
} }
} }

32
src/tags/media_playlist/playlist_type.rs
View file

@ -1,39 +1,39 @@
use std::fmt; use std::fmt;
use std::str::FromStr; use std::str::FromStr;
use crate::types::ProtocolVersion; use crate::types::{ProtocolVersion, RequiredVersion};
use crate::utils::tag; use crate::utils::tag;
use crate::Error; use crate::Error;
/// [4.3.3.5. EXT-X-PLAYLIST-TYPE](https://tools.ietf.org/html/rfc8216#section-4.3.3.5) /// # [4.4.3.5. EXT-X-PLAYLIST-TYPE]
/// ///
/// The EXT-X-PLAYLIST-TYPE tag provides mutability information about the /// The [ExtXPlaylistType] tag provides mutability information about the
/// Media Playlist. It applies to the entire Media Playlist. /// [Media Playlist]. It applies to the entire [Media Playlist].
/// It is OPTIONAL. Its format is:
/// ///
/// Its format is:
/// ```text /// ```text
/// #EXT-X-PLAYLIST-TYPE:<type-enum> /// #EXT-X-PLAYLIST-TYPE:<type-enum>
/// ``` /// ```
/// ///
/// # Note /// [Media Playlist]: crate::MediaPlaylist
/// If the EXT-X-PLAYLIST-TYPE tag is omitted from a Media Playlist, the /// [4.4.3.5. EXT-X-PLAYLIST-TYPE]:
/// Playlist can be updated according to the rules in Section 6.2.1 with /// https://tools.ietf.org/html/draft-pantos-hls-rfc8216bis-04#section-4.4.3.5
/// no additional restrictions.
#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)] #[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
pub enum ExtXPlaylistType { pub enum ExtXPlaylistType {
/// If the ExtXPlaylistType is Event, Media Segments can only be added to /// If the [ExtXPlaylistType] is Event, Media Segments can only be added to
/// the end of the Media Playlist. /// the end of the Media Playlist.
Event, Event,
/// If the ExtXPlaylistType is Video On Demand (Vod), /// If the [ExtXPlaylistType] is Video On Demand (Vod),
/// the Media Playlist cannot change. /// the Media Playlist cannot change.
Vod, Vod,
} }
impl ExtXPlaylistType { impl ExtXPlaylistType {
pub(crate) const PREFIX: &'static str = "#EXT-X-PLAYLIST-TYPE:"; pub(crate) const PREFIX: &'static str = "#EXT-X-PLAYLIST-TYPE:";
}
/// Returns the protocol compatibility version that this tag requires. impl RequiredVersion for ExtXPlaylistType {
pub const fn requires_version(&self) -> ProtocolVersion { fn required_version(&self) -> ProtocolVersion {
ProtocolVersion::V1 ProtocolVersion::V1
} }
} }
@ -99,13 +99,13 @@ mod test {
} }
#[test] #[test]
fn test_requires_version() { fn test_required_version() {
assert_eq!( assert_eq!(
ExtXPlaylistType::Vod.requires_version(), ExtXPlaylistType::Vod.required_version(),
ProtocolVersion::V1 ProtocolVersion::V1
); );
assert_eq!( assert_eq!(
ExtXPlaylistType::Event.requires_version(), ExtXPlaylistType::Event.required_version(),
ProtocolVersion::V1 ProtocolVersion::V1
); );
} }

69
src/tags/media_playlist/target_duration.rs
View file

@ -2,43 +2,53 @@ use std::fmt;
use std::str::FromStr; use std::str::FromStr;
use std::time::Duration; use std::time::Duration;
use crate::types::ProtocolVersion; use crate::types::{ProtocolVersion, RequiredVersion};
use crate::utils::tag; use crate::utils::tag;
use crate::Error; use crate::Error;
/// [4.3.3.1. EXT-X-TARGETDURATION] /// # [4.4.3.1. EXT-X-TARGETDURATION]
/// The [ExtXTargetDuration] tag specifies the maximum [Media Segment]
/// duration.
/// ///
/// [4.3.3.1. EXT-X-TARGETDURATION]: https://tools.ietf.org/html/rfc8216#section-4.3.3.1 /// Its format is:
/// ```text
/// #EXT-X-TARGETDURATION:<s>
/// ```
/// where `s` is the target [Duration] in seconds.
///
/// [Media Segment]: crate::MediaSegment
/// [4.4.3.1. EXT-X-TARGETDURATION]:
/// https://tools.ietf.org/html/draft-pantos-hls-rfc8216bis-04#section-4.4.3.1
#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash, Default)] #[derive(Debug, Clone, Copy, PartialEq, Eq, Hash, Default)]
pub struct ExtXTargetDuration { pub struct ExtXTargetDuration(Duration);
duration: Duration,
}
impl ExtXTargetDuration { impl ExtXTargetDuration {
pub(crate) const PREFIX: &'static str = "#EXT-X-TARGETDURATION:"; pub(crate) const PREFIX: &'static str = "#EXT-X-TARGETDURATION:";
/// Makes a new `ExtXTargetduration` tag. /// Makes a new [ExtXTargetduration] tag.
/// ///
/// Note that the nanoseconds part of the `duration` will be discarded. /// # Note
/// The nanoseconds part of the [Duration] will be discarded.
pub const fn new(duration: Duration) -> Self { pub const fn new(duration: Duration) -> Self {
let duration = Duration::from_secs(duration.as_secs()); // TOOD: round instead of discarding?
ExtXTargetDuration { duration } Self(Duration::from_secs(duration.as_secs()))
} }
/// Returns the maximum media segment duration in the associated playlist. /// Returns the maximum media segment duration in the associated playlist.
pub const fn duration(&self) -> Duration { pub const fn duration(&self) -> Duration {
self.duration self.0
} }
}
/// Returns the protocol compatibility version that this tag requires. impl RequiredVersion for ExtXTargetDuration {
pub const fn requires_version(&self) -> ProtocolVersion { fn required_version(&self) -> ProtocolVersion {
ProtocolVersion::V1 ProtocolVersion::V1
} }
} }
impl fmt::Display for ExtXTargetDuration { impl fmt::Display for ExtXTargetDuration {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result { fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
write!(f, "{}{}", Self::PREFIX, self.duration.as_secs()) write!(f, "{}{}", Self::PREFIX, self.0.as_secs())
} }
} }
@ -47,9 +57,7 @@ impl FromStr for ExtXTargetDuration {
fn from_str(input: &str) -> Result<Self, Self::Err> { fn from_str(input: &str) -> Result<Self, Self::Err> {
let input = tag(input, Self::PREFIX)?.parse()?; let input = tag(input, Self::PREFIX)?.parse()?;
Ok(ExtXTargetDuration { Ok(Self::new(Duration::from_secs(input)))
duration: Duration::from_secs(input),
})
} }
} }
@ -58,11 +66,26 @@ mod test {
use super::*; use super::*;
#[test] #[test]
fn ext_x_targetduration() { fn test_display() {
let tag = ExtXTargetDuration::new(Duration::from_secs(5)); assert_eq!(
let text = "#EXT-X-TARGETDURATION:5"; ExtXTargetDuration::new(Duration::from_secs(5)).to_string(),
assert_eq!(text.parse().ok(), Some(tag)); "#EXT-X-TARGETDURATION:5".to_string()
assert_eq!(tag.to_string(), text); );
assert_eq!(tag.requires_version(), ProtocolVersion::V1); }
#[test]
fn test_required_version() {
assert_eq!(
ExtXTargetDuration::new(Duration::from_secs(5)).required_version(),
ProtocolVersion::V1
);
}
#[test]
fn test_parser() {
assert_eq!(
ExtXTargetDuration::new(Duration::from_secs(5)),
"#EXT-X-TARGETDURATION:5".parse().unwrap()
);
} }
} }

70
src/tags/media_segment/byte_range.rs
View file

@ -1,25 +1,39 @@
use std::fmt; use std::fmt;
use std::ops::Deref; use std::ops::{Deref, DerefMut};
use std::str::FromStr; use std::str::FromStr;
use crate::types::{ByteRange, ProtocolVersion}; use crate::types::{ByteRange, ProtocolVersion, RequiredVersion};
use crate::utils::tag; use crate::utils::tag;
use crate::Error; use crate::Error;
/// [4.3.2.2. EXT-X-BYTERANGE] /// # [4.4.2.2. EXT-X-BYTERANGE]
/// ///
/// [4.3.2.2. EXT-X-BYTERANGE]: https://tools.ietf.org/html/rfc8216#section-4.3.2.2 /// The [ExtXByteRange] tag indicates that a [Media Segment] is a sub-range
/// of the resource identified by its `URI`.
///
/// Its format is:
/// ```text
/// #EXT-X-BYTERANGE:<n>[@<o>]
/// ```
///
/// where `n` is a [usize] indicating the length of the sub-range in bytes.
/// If present, `o` is a [usize] indicating the start of the sub-range,
/// as a byte offset from the beginning of the resource.
///
/// [Media Segment]: crate::MediaSegment
/// [4.4.2.2. EXT-X-BYTERANGE]:
/// https://tools.ietf.org/html/draft-pantos-hls-rfc8216bis-04#section-4.4.2.2
#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)] #[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
pub struct ExtXByteRange(ByteRange); pub struct ExtXByteRange(ByteRange);
impl ExtXByteRange { impl ExtXByteRange {
pub(crate) const PREFIX: &'static str = "#EXT-X-BYTERANGE:"; pub(crate) const PREFIX: &'static str = "#EXT-X-BYTERANGE:";
/// Makes a new `ExtXByteRange` tag. /// Makes a new [ExtXByteRange] tag.
///
/// # Example /// # Example
/// ``` /// ```
/// use hls_m3u8::tags::ExtXByteRange; /// # use hls_m3u8::tags::ExtXByteRange;
///
/// let byte_range = ExtXByteRange::new(20, Some(5)); /// let byte_range = ExtXByteRange::new(20, Some(5));
/// ``` /// ```
pub const fn new(length: usize, start: Option<usize>) -> Self { pub const fn new(length: usize, start: Option<usize>) -> Self {
@ -27,9 +41,10 @@ impl ExtXByteRange {
} }
/// Converts the [ExtXByteRange] to a [ByteRange]. /// Converts the [ExtXByteRange] to a [ByteRange].
///
/// # Example /// # Example
/// ``` /// ```
/// use hls_m3u8::tags::ExtXByteRange; /// # use hls_m3u8::tags::ExtXByteRange;
/// use hls_m3u8::types::ByteRange; /// use hls_m3u8::types::ByteRange;
/// ///
/// let byte_range = ExtXByteRange::new(20, Some(5)); /// let byte_range = ExtXByteRange::new(20, Some(5));
@ -38,17 +53,10 @@ impl ExtXByteRange {
pub const fn to_range(&self) -> ByteRange { pub const fn to_range(&self) -> ByteRange {
self.0 self.0
} }
}
/// Returns the protocol compatibility version that this tag requires. impl RequiredVersion for ExtXByteRange {
/// # Example fn required_version(&self) -> ProtocolVersion {
/// ```
/// use hls_m3u8::tags::ExtXByteRange;
/// use hls_m3u8::types::ProtocolVersion;
///
/// let byte_range = ExtXByteRange::new(20, Some(5));
/// assert_eq!(byte_range.requires_version(), ProtocolVersion::V4);
/// ```
pub const fn requires_version(&self) -> ProtocolVersion {
ProtocolVersion::V4 ProtocolVersion::V4
} }
} }
@ -61,6 +69,12 @@ impl Deref for ExtXByteRange {
} }
} }
impl DerefMut for ExtXByteRange {
fn deref_mut(&mut self) -> &mut Self::Target {
&mut self.0
}
}
impl fmt::Display for ExtXByteRange { impl fmt::Display for ExtXByteRange {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result { fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
write!(f, "{}", Self::PREFIX)?; write!(f, "{}", Self::PREFIX)?;
@ -76,6 +90,7 @@ impl FromStr for ExtXByteRange {
let input = tag(input, Self::PREFIX)?; let input = tag(input, Self::PREFIX)?;
let tokens = input.splitn(2, '@').collect::<Vec<_>>(); let tokens = input.splitn(2, '@').collect::<Vec<_>>();
if tokens.is_empty() { if tokens.is_empty() {
return Err(Error::invalid_input()); return Err(Error::invalid_input());
} }
@ -135,4 +150,23 @@ mod test {
assert_eq!(byte_range.length(), 0); assert_eq!(byte_range.length(), 0);
assert_eq!(byte_range.start(), Some(22)); assert_eq!(byte_range.start(), Some(22));
} }
#[test]
fn test_deref_mut() {
let mut byte_range = ExtXByteRange::new(0, Some(22));
byte_range.set_length(100);
byte_range.set_start(Some(50));
assert_eq!(byte_range.length(), 100);
assert_eq!(byte_range.start(), Some(50));
}
#[test]
fn test_required_version() {
assert_eq!(
ExtXByteRange::new(20, Some(5)).required_version(),
ProtocolVersion::V4
);
}
} }

11
src/tags/media_segment/date_range.rs
View file

@ -6,7 +6,7 @@ use std::time::Duration;
use chrono::{DateTime, FixedOffset}; use chrono::{DateTime, FixedOffset};
use crate::attribute::AttributePairs; use crate::attribute::AttributePairs;
use crate::types::{DecimalFloatingPoint, ProtocolVersion}; use crate::types::{DecimalFloatingPoint, ProtocolVersion, RequiredVersion};
use crate::utils::{quote, tag, unquote}; use crate::utils::{quote, tag, unquote};
use crate::Error; use crate::Error;
@ -18,8 +18,8 @@ use crate::Error;
#[allow(missing_docs)] #[allow(missing_docs)]
#[derive(Debug, Clone, PartialEq, Eq, Hash)] #[derive(Debug, Clone, PartialEq, Eq, Hash)]
pub struct ExtXDateRange { pub struct ExtXDateRange {
/// A string that uniquely identifies a Date Range in the Playlist. /// A string that uniquely identifies a [ExtXDateRange] in the Playlist.
/// This attribute is REQUIRED. /// This attribute is required.
id: String, id: String,
/// A client-defined string that specifies some set of attributes and their associated value /// A client-defined string that specifies some set of attributes and their associated value
/// semantics. All Date Ranges with the same CLASS attribute value MUST adhere to these /// semantics. All Date Ranges with the same CLASS attribute value MUST adhere to these
@ -63,9 +63,10 @@ pub struct ExtXDateRange {
impl ExtXDateRange { impl ExtXDateRange {
pub(crate) const PREFIX: &'static str = "#EXT-X-DATERANGE:"; pub(crate) const PREFIX: &'static str = "#EXT-X-DATERANGE:";
}
/// Returns the protocol compatibility version that this tag requires. impl RequiredVersion for ExtXDateRange {
pub const fn requires_version(&self) -> ProtocolVersion { fn required_version(&self) -> ProtocolVersion {
ProtocolVersion::V1 ProtocolVersion::V1
} }
} }

44
src/tags/media_segment/discontinuity.rs
View file

@ -1,21 +1,31 @@
use std::fmt; use std::fmt;
use std::str::FromStr; use std::str::FromStr;
use crate::types::ProtocolVersion; use crate::types::{ProtocolVersion, RequiredVersion};
use crate::utils::tag; use crate::utils::tag;
use crate::{Error, Result}; use crate::Error;
/// [4.3.2.3. EXT-X-DISCONTINUITY] /// # [4.4.2.3. EXT-X-DISCONTINUITY]
/// The [ExtXDiscontinuity] tag indicates a discontinuity between the
/// [Media Segment] that follows it and the one that preceded it.
/// ///
/// [4.3.2.3. EXT-X-DISCONTINUITY]: https://tools.ietf.org/html/rfc8216#section-4.3.2.3 /// Its format is:
/// ```text
/// #EXT-X-DISCONTINUITY
/// ```
///
/// [Media Segment]: crate::MediaSegment
/// [4.4.2.3. EXT-X-DISCONTINUITY]:
/// https://tools.ietf.org/html/draft-pantos-hls-rfc8216bis-04#section-4.4.2.3
#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)] #[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
pub struct ExtXDiscontinuity; pub struct ExtXDiscontinuity;
impl ExtXDiscontinuity { impl ExtXDiscontinuity {
pub(crate) const PREFIX: &'static str = "#EXT-X-DISCONTINUITY"; pub(crate) const PREFIX: &'static str = "#EXT-X-DISCONTINUITY";
}
/// Returns the protocol compatibility version that this tag requires. impl RequiredVersion for ExtXDiscontinuity {
pub const fn requires_version(self) -> ProtocolVersion { fn required_version(&self) -> ProtocolVersion {
ProtocolVersion::V1 ProtocolVersion::V1
} }
} }
@ -29,7 +39,7 @@ impl fmt::Display for ExtXDiscontinuity {
impl FromStr for ExtXDiscontinuity { impl FromStr for ExtXDiscontinuity {
type Err = Error; type Err = Error;
fn from_str(input: &str) -> Result<Self> { fn from_str(input: &str) -> Result<Self, Self::Err> {
tag(input, Self::PREFIX)?; tag(input, Self::PREFIX)?;
Ok(ExtXDiscontinuity) Ok(ExtXDiscontinuity)
} }
@ -40,10 +50,20 @@ mod test {
use super::*; use super::*;
#[test] #[test]
fn ext_x_discontinuity() { fn test_display() {
let tag = ExtXDiscontinuity; assert_eq!(
assert_eq!("#EXT-X-DISCONTINUITY".parse().ok(), Some(tag)); ExtXDiscontinuity.to_string(),
assert_eq!(tag.to_string(), "#EXT-X-DISCONTINUITY"); "#EXT-X-DISCONTINUITY".to_string(),
assert_eq!(tag.requires_version(), ProtocolVersion::V1); )
}
#[test]
fn test_parser() {
assert_eq!(ExtXDiscontinuity, "#EXT-X-DISCONTINUITY".parse().unwrap())
}
#[test]
fn test_required_version() {
assert_eq!(ExtXDiscontinuity.required_version(), ProtocolVersion::V1)
} }
} }

143
src/tags/media_segment/inf.rs
View file

@ -2,14 +2,14 @@ use std::fmt;
use std::str::FromStr; use std::str::FromStr;
use std::time::Duration; use std::time::Duration;
use crate::types::{DecimalFloatingPoint, ProtocolVersion}; use crate::types::{DecimalFloatingPoint, ProtocolVersion, RequiredVersion};
use crate::utils::tag; use crate::utils::tag;
use crate::Error; use crate::Error;
/// [4.3.2.1. EXTINF](https://tools.ietf.org/html/rfc8216#section-4.3.2.1) /// # [4.4.2.1. EXTINF]
/// ///
/// The [ExtInf] tag specifies the duration of a [Media Segment]. It applies /// The [ExtInf] tag specifies the duration of a [Media Segment]. It applies
/// only to the next [Media Segment]. This tag is REQUIRED for each [Media Segment]. /// only to the next [Media Segment].
/// ///
/// Its format is: /// Its format is:
/// ```text /// ```text
@ -18,32 +18,8 @@ use crate::Error;
/// The title is an optional informative title about the [Media Segment]. /// The title is an optional informative title about the [Media Segment].
/// ///
/// [Media Segment]: crate::media_segment::MediaSegment /// [Media Segment]: crate::media_segment::MediaSegment
/// /// [4.4.2.1. EXTINF]:
/// # Examples /// https://tools.ietf.org/html/draft-pantos-hls-rfc8216bis-04#section-4.4.2.1
/// Parsing from a String:
/// ```
/// use std::time::Duration;
/// use hls_m3u8::tags::ExtInf;
///
/// let ext_inf = "#EXTINF:8,".parse::<ExtInf>().expect("Failed to parse tag!");
///
/// assert_eq!(ext_inf.duration(), Duration::from_secs(8));
/// assert_eq!(ext_inf.title(), None);
/// ```
///
/// Converting to a String:
/// ```
/// use std::time::Duration;
/// use hls_m3u8::tags::ExtInf;
///
/// let ext_inf = ExtInf::with_title(
/// Duration::from_millis(88),
/// "title"
/// );
///
/// assert_eq!(ext_inf.duration(), Duration::from_millis(88));
/// assert_eq!(ext_inf.to_string(), "#EXTINF:0.088,title".to_string());
/// ```
#[derive(Default, Debug, Clone, PartialEq, Eq, Hash, PartialOrd, Ord)] #[derive(Default, Debug, Clone, PartialEq, Eq, Hash, PartialOrd, Ord)]
pub struct ExtInf { pub struct ExtInf {
duration: Duration, duration: Duration,
@ -53,7 +29,15 @@ pub struct ExtInf {
impl ExtInf { impl ExtInf {
pub(crate) const PREFIX: &'static str = "#EXTINF:"; pub(crate) const PREFIX: &'static str = "#EXTINF:";
/// Makes a new `ExtInf` tag. /// Makes a new [ExtInf] tag.
///
/// # Example
/// ```
/// # use hls_m3u8::tags::ExtInf;
/// use std::time::Duration;
///
/// let ext_inf = ExtInf::new(Duration::from_secs(5));
/// ```
pub const fn new(duration: Duration) -> Self { pub const fn new(duration: Duration) -> Self {
ExtInf { ExtInf {
duration, duration,
@ -61,7 +45,15 @@ impl ExtInf {
} }
} }
/// Makes a new `ExtInf` tag with the given title. /// Makes a new [ExtInf] tag with the given title.
///
/// # Example
/// ```
/// # use hls_m3u8::tags::ExtInf;
/// use std::time::Duration;
///
/// let ext_inf = ExtInf::with_title(Duration::from_secs(5), "title");
/// ```
pub fn with_title<T: ToString>(duration: Duration, title: T) -> Self { pub fn with_title<T: ToString>(duration: Duration, title: T) -> Self {
ExtInf { ExtInf {
duration, duration,
@ -70,17 +62,86 @@ impl ExtInf {
} }
/// Returns the duration of the associated media segment. /// Returns the duration of the associated media segment.
///
/// # Example
/// ```
/// # use hls_m3u8::tags::ExtInf;
/// use std::time::Duration;
///
/// let ext_inf = ExtInf::new(Duration::from_secs(5));
///
/// assert_eq!(
/// ext_inf.duration(),
/// Duration::from_secs(5)
/// );
/// ```
pub const fn duration(&self) -> Duration { pub const fn duration(&self) -> Duration {
self.duration self.duration
} }
/// Returns the title of the associated media segment. /// Sets the duration of the associated media segment.
pub fn title(&self) -> Option<&String> { ///
self.title.as_ref() /// # Example
/// ```
/// # use hls_m3u8::tags::ExtInf;
/// use std::time::Duration;
///
/// let mut ext_inf = ExtInf::new(Duration::from_secs(5));
///
/// ext_inf.set_duration(Duration::from_secs(10));
///
/// assert_eq!(
/// ext_inf.duration(),
/// Duration::from_secs(10)
/// );
/// ```
pub fn set_duration(&mut self, value: Duration) -> &mut Self {
self.duration = value;
self
} }
/// Returns the protocol compatibility version that this tag requires. /// Returns the title of the associated media segment.
pub fn requires_version(&self) -> ProtocolVersion { ///
/// # Example
/// ```
/// # use hls_m3u8::tags::ExtInf;
/// use std::time::Duration;
///
/// let ext_inf = ExtInf::with_title(Duration::from_secs(5), "title");
///
/// assert_eq!(
/// ext_inf.title(),
/// &Some("title".to_string())
/// );
/// ```
pub const fn title(&self) -> &Option<String> {
&self.title
}
/// Sets the title of the associated media segment.
///
/// # Example
/// ```
/// # use hls_m3u8::tags::ExtInf;
/// use std::time::Duration;
///
/// let mut ext_inf = ExtInf::with_title(Duration::from_secs(5), "title");
///
/// ext_inf.set_title(Some("better title"));
///
/// assert_eq!(
/// ext_inf.title(),
/// &Some("better title".to_string())
/// );
/// ```
pub fn set_title<T: ToString>(&mut self, value: Option<T>) -> &mut Self {
self.title = value.map(|v| v.to_string());
self
}
}
impl RequiredVersion for ExtInf {
fn required_version(&self) -> ProtocolVersion {
if self.duration.subsec_nanos() == 0 { if self.duration.subsec_nanos() == 0 {
ProtocolVersion::V1 ProtocolVersion::V1
} else { } else {
@ -198,21 +259,21 @@ mod test {
#[test] #[test]
fn test_title() { fn test_title() {
assert_eq!(ExtInf::new(Duration::from_secs(5)).title(), None); assert_eq!(ExtInf::new(Duration::from_secs(5)).title(), &None);
assert_eq!( assert_eq!(
ExtInf::with_title(Duration::from_secs(5), "title").title(), ExtInf::with_title(Duration::from_secs(5), "title").title(),
Some(&"title".to_string()) &Some("title".to_string())
); );
} }
#[test] #[test]
fn test_requires_version() { fn test_required_version() {
assert_eq!( assert_eq!(
ExtInf::new(Duration::from_secs(4)).requires_version(), ExtInf::new(Duration::from_secs(4)).required_version(),
ProtocolVersion::V1 ProtocolVersion::V1
); );
assert_eq!( assert_eq!(
ExtInf::new(Duration::from_millis(4400)).requires_version(), ExtInf::new(Duration::from_millis(4400)).required_version(),
ProtocolVersion::V3 ProtocolVersion::V3
); );
} }

35
src/tags/media_segment/key.rs
View file

@ -2,15 +2,30 @@ use std::fmt;
use std::ops::{Deref, DerefMut}; use std::ops::{Deref, DerefMut};
use std::str::FromStr; use std::str::FromStr;
use crate::types::{DecryptionKey, EncryptionMethod}; use crate::types::{DecryptionKey, EncryptionMethod, KeyFormatVersions};
use crate::utils::tag; use crate::utils::tag;
use crate::Error; use crate::Error;
/// [4.3.2.4. EXT-X-KEY] /// # [4.4.2.4. EXT-X-KEY]
/// [Media Segment]s may be encrypted. The [ExtXKey] tag specifies how to
/// decrypt them. It applies to every [Media Segment] and to every Media
/// Initialization Section declared by an [ExtXMap] tag, that appears
/// between it and the next [ExtXKey] tag in the Playlist file with the
/// same [KeyFormat] attribute (or the end of the Playlist file).
///
/// The format is:
/// ```text
/// #EXT-X-KEY:<attribute-list>
/// ```
/// ///
/// [4.3.2.4. EXT-X-KEY]: https://tools.ietf.org/html/rfc8216#section-4.3.2.4
/// # Note /// # Note
/// In case of an empty key (`EncryptionMethod::None`), all attributes will be ignored. /// In case of an empty key (`EncryptionMethod::None`), all attributes will be ignored.
///
/// [KeyFormat]: crate::types::KeyFormat
/// [ExtXMap]: crate::tags::ExtXMap
/// [Media Segment]: crate::MediaSegment
/// [4.4.2.4. EXT-X-KEY]:
/// https://tools.ietf.org/html/draft-pantos-hls-rfc8216bis-04#section-4.4.2.4
#[derive(Debug, Clone, PartialEq, Eq, Hash)] #[derive(Debug, Clone, PartialEq, Eq, Hash)]
pub struct ExtXKey(DecryptionKey); pub struct ExtXKey(DecryptionKey);
@ -49,13 +64,13 @@ impl ExtXKey {
/// "#EXT-X-KEY:METHOD=NONE" /// "#EXT-X-KEY:METHOD=NONE"
/// ); /// );
/// ``` /// ```
pub const fn empty() -> Self { pub fn empty() -> Self {
Self(DecryptionKey { Self(DecryptionKey {
method: EncryptionMethod::None, method: EncryptionMethod::None,
uri: None, uri: None,
iv: None, iv: None,
key_format: None, key_format: None,
key_format_versions: None, key_format_versions: KeyFormatVersions::new(),
}) })
} }
@ -109,7 +124,7 @@ impl DerefMut for ExtXKey {
#[cfg(test)] #[cfg(test)]
mod test { mod test {
use super::*; use super::*;
use crate::types::EncryptionMethod; use crate::types::{EncryptionMethod, KeyFormat};
#[test] #[test]
fn test_display() { fn test_display() {
@ -120,12 +135,12 @@ mod test {
let mut key = ExtXKey::empty(); let mut key = ExtXKey::empty();
// it is expected, that all attributes will be ignored in an empty key! // it is expected, that all attributes will be ignored in an empty key!
key.set_key_format("hi"); key.set_key_format(Some(KeyFormat::Identity));
key.set_iv([ key.set_iv([
16, 239, 143, 117, 140, 165, 85, 17, 85, 132, 187, 91, 60, 104, 127, 82, 16, 239, 143, 117, 140, 165, 85, 17, 85, 132, 187, 91, 60, 104, 127, 82,
]); ]);
key.set_uri(Some("https://www.example.com")); key.set_uri(Some("https://www.example.com"));
key.set_key_format_versions("1/2/3"); key.set_key_format_versions(vec![1, 2, 3]);
assert_eq!(key.to_string(), "#EXT-X-KEY:METHOD=NONE".to_string()); assert_eq!(key.to_string(), "#EXT-X-KEY:METHOD=NONE".to_string());
} }
@ -133,7 +148,9 @@ mod test {
#[test] #[test]
fn test_parser() { fn test_parser() {
assert_eq!( assert_eq!(
r#"#EXT-X-KEY:METHOD=AES-128,URI="https://priv.example.com/key.php?r=52""# "#EXT-X-KEY:\
METHOD=AES-128,\
URI=\"https://priv.example.com/key.php?r=52\""
.parse::<ExtXKey>() .parse::<ExtXKey>()
.unwrap(), .unwrap(),
ExtXKey::new( ExtXKey::new(

62
src/tags/media_segment/map.rs
View file

@ -2,13 +2,22 @@ use std::fmt;
use std::str::FromStr; use std::str::FromStr;
use crate::attribute::AttributePairs; use crate::attribute::AttributePairs;
use crate::types::{ByteRange, ProtocolVersion}; use crate::types::{ByteRange, ProtocolVersion, RequiredVersion};
use crate::utils::{quote, tag, unquote}; use crate::utils::{quote, tag, unquote};
use crate::Error; use crate::Error;
/// [4.3.2.5. EXT-X-MAP] /// # [4.4.2.5. EXT-X-MAP]
/// The [ExtXMap] tag specifies how to obtain the Media Initialization
/// Section, required to parse the applicable [Media Segment]s.
/// ///
/// [4.3.2.5. EXT-X-MAP]: https://tools.ietf.org/html/rfc8216#section-4.3.2.5 /// Its format is:
/// ```text
/// #EXT-X-MAP:<attribute-list>
/// ```
///
/// [Media Segment]: crate::MediaSegment
/// [4.4.2.5. EXT-X-MAP]:
/// https://tools.ietf.org/html/draft-pantos-hls-rfc8216bis-04#section-4.4.2.5
#[derive(Debug, Clone, PartialEq, Eq, Hash)] #[derive(Debug, Clone, PartialEq, Eq, Hash)]
pub struct ExtXMap { pub struct ExtXMap {
uri: String, uri: String,
@ -43,9 +52,10 @@ impl ExtXMap {
pub const fn range(&self) -> Option<ByteRange> { pub const fn range(&self) -> Option<ByteRange> {
self.range self.range
} }
}
/// Returns the protocol compatibility version that this tag requires. impl RequiredVersion for ExtXMap {
pub const fn requires_version(&self) -> ProtocolVersion { fn required_version(&self) -> ProtocolVersion {
ProtocolVersion::V6 ProtocolVersion::V6
} }
} }
@ -93,19 +103,37 @@ mod test {
use super::*; use super::*;
#[test] #[test]
fn ext_x_map() { fn test_display() {
let tag = ExtXMap::new("foo"); assert_eq!(
let text = r#"#EXT-X-MAP:URI="foo""#; ExtXMap::new("foo").to_string(),
assert_eq!(text.parse().ok(), Some(tag.clone())); "#EXT-X-MAP:URI=\"foo\"".to_string(),
assert_eq!(tag.to_string(), text); );
assert_eq!(tag.requires_version(), ProtocolVersion::V6);
let tag = ExtXMap::with_range("foo", ByteRange::new(9, Some(2))); assert_eq!(
let text = r#"#EXT-X-MAP:URI="foo",BYTERANGE="9@2""#; ExtXMap::with_range("foo", ByteRange::new(9, Some(2))).to_string(),
ExtXMap::from_str(text).unwrap(); "#EXT-X-MAP:URI=\"foo\",BYTERANGE=\"9@2\"".to_string(),
);
}
assert_eq!(text.parse().ok(), Some(tag.clone())); #[test]
assert_eq!(tag.to_string(), text); fn test_parser() {
assert_eq!(tag.requires_version(), ProtocolVersion::V6); assert_eq!(
ExtXMap::new("foo"),
"#EXT-X-MAP:URI=\"foo\"".parse().unwrap()
);
assert_eq!(
ExtXMap::with_range("foo", ByteRange::new(9, Some(2))),
"#EXT-X-MAP:URI=\"foo\",BYTERANGE=\"9@2\"".parse().unwrap()
);
}
#[test]
fn test_required_version() {
assert_eq!(ExtXMap::new("foo").required_version(), ProtocolVersion::V6);
assert_eq!(
ExtXMap::with_range("foo", ByteRange::new(9, Some(2))).required_version(),
ProtocolVersion::V6
);
} }
} }

99
src/tags/media_segment/program_date_time.rs
View file

@ -1,14 +1,18 @@
use std::fmt; use std::fmt;
use std::ops::{Deref, DerefMut};
use std::str::FromStr; use std::str::FromStr;
use chrono::{DateTime, FixedOffset}; use chrono::{DateTime, FixedOffset};
use crate::types::ProtocolVersion; use crate::types::{ProtocolVersion, RequiredVersion};
use crate::utils::tag; use crate::utils::tag;
use crate::Error; use crate::Error;
/// [4.3.2.6. EXT-X-PROGRAM-DATE-TIME] /// # [4.3.2.6. EXT-X-PROGRAM-DATE-TIME]
/// The [ExtXProgramDateTime] tag associates the first sample of a
/// [Media Segment] with an absolute date and/or time.
/// ///
/// [Media Segment]: crate::MediaSegment
/// [4.3.2.6. EXT-X-PROGRAM-DATE-TIME]: https://tools.ietf.org/html/rfc8216#section-4.3.2.6 /// [4.3.2.6. EXT-X-PROGRAM-DATE-TIME]: https://tools.ietf.org/html/rfc8216#section-4.3.2.6
#[derive(Debug, Copy, Clone, PartialEq, Eq, Hash, PartialOrd, Ord)] #[derive(Debug, Copy, Clone, PartialEq, Eq, Hash, PartialOrd, Ord)]
pub struct ExtXProgramDateTime(DateTime<FixedOffset>); pub struct ExtXProgramDateTime(DateTime<FixedOffset>);
@ -17,17 +21,38 @@ impl ExtXProgramDateTime {
pub(crate) const PREFIX: &'static str = "#EXT-X-PROGRAM-DATE-TIME:"; pub(crate) const PREFIX: &'static str = "#EXT-X-PROGRAM-DATE-TIME:";
/// Makes a new `ExtXProgramDateTime` tag. /// Makes a new `ExtXProgramDateTime` tag.
pub fn new<T: Into<DateTime<FixedOffset>>>(date_time: T) -> Self { ///
Self(date_time.into()) /// # Example
/// ```
/// use hls_m3u8::tags::ExtXProgramDateTime;
/// use chrono::{FixedOffset, TimeZone};
///
/// const HOURS_IN_SECS: i32 = 3600; // 1 hour = 3600 seconds
///
/// let program_date_time = ExtXProgramDateTime::new(
/// FixedOffset::east(8 * HOURS_IN_SECS)
/// .ymd(2010, 2, 19)
/// .and_hms_milli(14, 54, 23, 31)
/// );
/// ```
pub const fn new(date_time: DateTime<FixedOffset>) -> Self {
Self(date_time)
} }
/// Returns the date-time of the first sample of the associated media segment. /// Returns the date-time of the first sample of the associated media segment.
pub const fn date_time(&self) -> &DateTime<FixedOffset> { pub const fn date_time(&self) -> DateTime<FixedOffset> {
&self.0 self.0
} }
/// Returns the protocol compatibility version that this tag requires. /// Sets the date-time of the first sample of the associated media segment.
pub const fn requires_version(&self) -> ProtocolVersion { pub fn set_date_time(&mut self, value: DateTime<FixedOffset>) -> &mut Self {
self.0 = value;
self
}
}
impl RequiredVersion for ExtXProgramDateTime {
fn required_version(&self) -> ProtocolVersion {
ProtocolVersion::V1 ProtocolVersion::V1
} }
} }
@ -45,45 +70,69 @@ impl FromStr for ExtXProgramDateTime {
fn from_str(input: &str) -> Result<Self, Self::Err> { fn from_str(input: &str) -> Result<Self, Self::Err> {
let input = tag(input, Self::PREFIX)?; let input = tag(input, Self::PREFIX)?;
// TODO: parse with chrono
let date_time = DateTime::parse_from_rfc3339(input)?; let date_time = DateTime::parse_from_rfc3339(input)?;
Ok(Self::new(date_time)) Ok(Self::new(date_time))
} }
} }
impl Deref for ExtXProgramDateTime {
type Target = DateTime<FixedOffset>;
fn deref(&self) -> &Self::Target {
&self.0
}
}
impl DerefMut for ExtXProgramDateTime {
fn deref_mut(&mut self) -> &mut Self::Target {
&mut self.0
}
}
#[cfg(test)] #[cfg(test)]
mod test { mod test {
use super::*; use super::*;
use chrono::TimeZone;
const HOURS_IN_SECS: i32 = 3600; // 1 hour = 3600 seconds
#[test] #[test]
fn test_display() { fn test_display() {
let date_time = "2010-02-19T14:54:23.031+08:00"
.parse::<DateTime<FixedOffset>>()
.unwrap();
let program_date_time = ExtXProgramDateTime::new(date_time);
assert_eq!( assert_eq!(
program_date_time.to_string(), ExtXProgramDateTime::new(
FixedOffset::east(8 * HOURS_IN_SECS)
.ymd(2010, 2, 19)
.and_hms_milli(14, 54, 23, 31)
)
.to_string(),
"#EXT-X-PROGRAM-DATE-TIME:2010-02-19T14:54:23.031+08:00".to_string() "#EXT-X-PROGRAM-DATE-TIME:2010-02-19T14:54:23.031+08:00".to_string()
); );
} }
#[test] #[test]
fn test_parser() { fn test_parser() {
assert_eq!(
ExtXProgramDateTime::new(
FixedOffset::east(8 * HOURS_IN_SECS)
.ymd(2010, 2, 19)
.and_hms_milli(14, 54, 23, 31)
),
"#EXT-X-PROGRAM-DATE-TIME:2010-02-19T14:54:23.031+08:00" "#EXT-X-PROGRAM-DATE-TIME:2010-02-19T14:54:23.031+08:00"
.parse::<ExtXProgramDateTime>() .parse::<ExtXProgramDateTime>()
.unwrap(); .unwrap()
);
} }
#[test] #[test]
fn test_requires_version() { fn test_required_version() {
let date_time = "2010-02-19T14:54:23.031+08:00" assert_eq!(
.parse::<DateTime<FixedOffset>>() ExtXProgramDateTime::new(
.unwrap(); FixedOffset::east(8 * HOURS_IN_SECS)
.ymd(2010, 2, 19)
let program_date_time = ExtXProgramDateTime::new(date_time); .and_hms_milli(14, 54, 23, 31),
)
assert_eq!(program_date_time.requires_version(), ProtocolVersion::V1); .required_version(),
ProtocolVersion::V1
);
} }
} }

86
src/tags/mod.rs
View file

@ -2,16 +2,6 @@
//! //!
//! [4.3. Playlist Tags]: https://tools.ietf.org/html/rfc8216#section-4.3 //! [4.3. Playlist Tags]: https://tools.ietf.org/html/rfc8216#section-4.3
macro_rules! impl_from {
($to:ident, $from:ident) => {
impl From<$from> for $to {
fn from(f: $from) -> Self {
$to::$from(f)
}
}
};
}
mod basic; mod basic;
mod master_playlist; mod master_playlist;
mod media_playlist; mod media_playlist;
@ -23,79 +13,3 @@ pub use master_playlist::*;
pub use media_playlist::*; pub use media_playlist::*;
pub use media_segment::*; pub use media_segment::*;
pub use shared::*; pub use shared::*;
/// [4.3.4. Master Playlist Tags]
///
/// See also [4.3.5. Media or Master Playlist Tags]
///
/// [4.3.4. Master Playlist Tags]: https://tools.ietf.org/html/rfc8216#section-4.3.4
/// [4.3.5. Media or Master Playlist Tags]: https://tools.ietf.org/html/rfc8216#section-4.3.5
#[allow(missing_docs)]
#[allow(clippy::large_enum_variant)]
#[derive(Debug, Clone, PartialEq, Eq)]
pub enum MasterPlaylistTag {
ExtXMedia(ExtXMedia),
ExtXStreamInf(ExtXStreamInf),
ExtXIFrameStreamInf(ExtXIFrameStreamInf),
ExtXSessionData(ExtXSessionData),
ExtXSessionKey(ExtXSessionKey),
ExtXIndependentSegments(ExtXIndependentSegments),
ExtXStart(ExtXStart),
}
impl_from!(MasterPlaylistTag, ExtXMedia);
impl_from!(MasterPlaylistTag, ExtXStreamInf);
impl_from!(MasterPlaylistTag, ExtXIFrameStreamInf);
impl_from!(MasterPlaylistTag, ExtXSessionData);
impl_from!(MasterPlaylistTag, ExtXSessionKey);
impl_from!(MasterPlaylistTag, ExtXIndependentSegments);
impl_from!(MasterPlaylistTag, ExtXStart);
/// [4.3.3. Media Playlist Tags]
///
/// See also [4.3.5. Media or Master Playlist Tags]
///
/// [4.3.3. Media Playlist Tags]: https://tools.ietf.org/html/rfc8216#section-4.3.3
/// [4.3.5. Media or Master Playlist Tags]: https://tools.ietf.org/html/rfc8216#section-4.3.5
#[allow(missing_docs)]
#[derive(Debug, Clone, PartialEq, Eq)]
pub enum MediaPlaylistTag {
ExtXTargetDuration(ExtXTargetDuration),
ExtXMediaSequence(ExtXMediaSequence),
ExtXDiscontinuitySequence(ExtXDiscontinuitySequence),
ExtXEndList(ExtXEndList),
ExtXPlaylistType(ExtXPlaylistType),
ExtXIFramesOnly(ExtXIFramesOnly),
ExtXIndependentSegments(ExtXIndependentSegments),
ExtXStart(ExtXStart),
}
impl_from!(MediaPlaylistTag, ExtXTargetDuration);
impl_from!(MediaPlaylistTag, ExtXMediaSequence);
impl_from!(MediaPlaylistTag, ExtXDiscontinuitySequence);
impl_from!(MediaPlaylistTag, ExtXEndList);
impl_from!(MediaPlaylistTag, ExtXPlaylistType);
impl_from!(MediaPlaylistTag, ExtXIFramesOnly);
impl_from!(MediaPlaylistTag, ExtXIndependentSegments);
impl_from!(MediaPlaylistTag, ExtXStart);
/// [4.3.2. Media Segment Tags]
///
/// [4.3.2. Media Segment Tags]: https://tools.ietf.org/html/rfc8216#section-4.3.2
#[allow(missing_docs)]
#[allow(clippy::large_enum_variant)]
#[derive(Debug, Clone, PartialEq, Eq)]
pub enum MediaSegmentTag {
ExtInf(ExtInf),
ExtXByteRange(ExtXByteRange),
ExtXDateRange(ExtXDateRange),
ExtXDiscontinuity(ExtXDiscontinuity),
ExtXKey(ExtXKey),
ExtXMap(ExtXMap),
ExtXProgramDateTime(ExtXProgramDateTime),
}
impl_from!(MediaSegmentTag, ExtInf);
impl_from!(MediaSegmentTag, ExtXByteRange);
impl_from!(MediaSegmentTag, ExtXDateRange);
impl_from!(MediaSegmentTag, ExtXDiscontinuity);
impl_from!(MediaSegmentTag, ExtXKey);
impl_from!(MediaSegmentTag, ExtXMap);
impl_from!(MediaSegmentTag, ExtXProgramDateTime);

35
src/tags/shared/independent_segments.rs
View file

@ -1,7 +1,7 @@
use std::fmt; use std::fmt;
use std::str::FromStr; use std::str::FromStr;
use crate::types::ProtocolVersion; use crate::types::{ProtocolVersion, RequiredVersion};
use crate::utils::tag; use crate::utils::tag;
use crate::Error; use crate::Error;
@ -10,11 +10,13 @@ use crate::Error;
/// [4.3.5.1. EXT-X-INDEPENDENT-SEGMENTS]: https://tools.ietf.org/html/rfc8216#section-4.3.5.1 /// [4.3.5.1. EXT-X-INDEPENDENT-SEGMENTS]: https://tools.ietf.org/html/rfc8216#section-4.3.5.1
#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)] #[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
pub struct ExtXIndependentSegments; pub struct ExtXIndependentSegments;
impl ExtXIndependentSegments { impl ExtXIndependentSegments {
pub(crate) const PREFIX: &'static str = "#EXT-X-INDEPENDENT-SEGMENTS"; pub(crate) const PREFIX: &'static str = "#EXT-X-INDEPENDENT-SEGMENTS";
}
/// Returns the protocol compatibility version that this tag requires. impl RequiredVersion for ExtXIndependentSegments {
pub const fn requires_version(&self) -> ProtocolVersion { fn required_version(&self) -> ProtocolVersion {
ProtocolVersion::V1 ProtocolVersion::V1
} }
} }
@ -39,11 +41,26 @@ mod test {
use super::*; use super::*;
#[test] #[test]
fn ext_x_independent_segments() { fn test_display() {
let tag = ExtXIndependentSegments; assert_eq!(
let text = "#EXT-X-INDEPENDENT-SEGMENTS"; ExtXIndependentSegments.to_string(),
assert_eq!(text.parse().ok(), Some(tag)); "#EXT-X-INDEPENDENT-SEGMENTS".to_string(),
assert_eq!(tag.to_string(), text); )
assert_eq!(tag.requires_version(), ProtocolVersion::V1); }
#[test]
fn test_parser() {
assert_eq!(
ExtXIndependentSegments,
"#EXT-X-INDEPENDENT-SEGMENTS".parse().unwrap(),
)
}
#[test]
fn test_required_version() {
assert_eq!(
ExtXIndependentSegments.required_version(),
ProtocolVersion::V1
)
} }
} }

55
src/tags/shared/start.rs
View file

@ -2,7 +2,7 @@ use std::fmt;
use std::str::FromStr; use std::str::FromStr;
use crate::attribute::AttributePairs; use crate::attribute::AttributePairs;
use crate::types::{ProtocolVersion, SignedDecimalFloatingPoint}; use crate::types::{ProtocolVersion, RequiredVersion, SignedDecimalFloatingPoint};
use crate::utils::{parse_yes_or_no, tag}; use crate::utils::{parse_yes_or_no, tag};
use crate::Error; use crate::Error;
@ -19,6 +19,7 @@ impl ExtXStart {
pub(crate) const PREFIX: &'static str = "#EXT-X-START:"; pub(crate) const PREFIX: &'static str = "#EXT-X-START:";
/// Makes a new `ExtXStart` tag. /// Makes a new `ExtXStart` tag.
///
/// # Panic /// # Panic
/// Panics if the time_offset value is infinite. /// Panics if the time_offset value is infinite.
pub fn new(time_offset: f64) -> Self { pub fn new(time_offset: f64) -> Self {
@ -33,6 +34,7 @@ impl ExtXStart {
} }
/// Makes a new `ExtXStart` tag with the given `precise` flag. /// Makes a new `ExtXStart` tag with the given `precise` flag.
///
/// # Panic /// # Panic
/// Panics if the time_offset value is infinite. /// Panics if the time_offset value is infinite.
pub fn with_precise(time_offset: f64, precise: bool) -> Self { pub fn with_precise(time_offset: f64, precise: bool) -> Self {
@ -56,9 +58,10 @@ impl ExtXStart {
pub const fn precise(&self) -> bool { pub const fn precise(&self) -> bool {
self.precise self.precise
} }
}
/// Returns the protocol compatibility version that this tag requires. impl RequiredVersion for ExtXStart {
pub const fn requires_version(&self) -> ProtocolVersion { fn required_version(&self) -> ProtocolVersion {
ProtocolVersion::V1 ProtocolVersion::V1
} }
} }
@ -108,17 +111,41 @@ mod test {
use super::*; use super::*;
#[test] #[test]
fn ext_x_start() { fn test_display() {
let tag = ExtXStart::new(-1.23); assert_eq!(
let text = "#EXT-X-START:TIME-OFFSET=-1.23"; ExtXStart::new(-1.23).to_string(),
assert_eq!(text.parse().ok(), Some(tag)); "#EXT-X-START:TIME-OFFSET=-1.23".to_string(),
assert_eq!(tag.to_string(), text); );
assert_eq!(tag.requires_version(), ProtocolVersion::V1);
let tag = ExtXStart::with_precise(1.23, true); assert_eq!(
let text = "#EXT-X-START:TIME-OFFSET=1.23,PRECISE=YES"; ExtXStart::with_precise(1.23, true).to_string(),
assert_eq!(text.parse().ok(), Some(tag)); "#EXT-X-START:TIME-OFFSET=1.23,PRECISE=YES".to_string(),
assert_eq!(tag.to_string(), text); );
assert_eq!(tag.requires_version(), ProtocolVersion::V1); }
#[test]
fn test_required_version() {
assert_eq!(
ExtXStart::new(-1.23).required_version(),
ProtocolVersion::V1,
);
assert_eq!(
ExtXStart::with_precise(1.23, true).required_version(),
ProtocolVersion::V1,
);
}
#[test]
fn test_parser() {
assert_eq!(
ExtXStart::new(-1.23),
"#EXT-X-START:TIME-OFFSET=-1.23".parse().unwrap(),
);
assert_eq!(
ExtXStart::with_precise(1.23, true),
"#EXT-X-START:TIME-OFFSET=1.23,PRECISE=YES".parse().unwrap(),
);
} }
} }

12
src/types/decimal_floating_point.rs
View file

@ -70,6 +70,18 @@ impl FromStr for DecimalFloatingPoint {
} }
} }
impl From<f64> for DecimalFloatingPoint {
fn from(value: f64) -> Self {
Self(value)
}
}
impl From<f32> for DecimalFloatingPoint {
fn from(value: f32) -> Self {
Self(value.into())
}
}
#[cfg(test)] #[cfg(test)]
mod tests { mod tests {
use super::*; use super::*;

188
src/types/decryption_key.rs
View file

@ -4,39 +4,49 @@ use std::str::FromStr;
use derive_builder::Builder; use derive_builder::Builder;
use crate::attribute::AttributePairs; use crate::attribute::AttributePairs;
use crate::types::{EncryptionMethod, InitializationVector, ProtocolVersion}; use crate::types::{
EncryptionMethod, InitializationVector, KeyFormat, KeyFormatVersions, ProtocolVersion,
RequiredVersion,
};
use crate::utils::{quote, unquote}; use crate::utils::{quote, unquote};
use crate::Error; use crate::Error;
#[derive(Builder, Debug, Clone, PartialEq, Eq, Hash)] #[derive(Builder, Debug, Clone, PartialEq, Eq, Hash)]
#[builder(setter(into))] #[builder(setter(into))]
/// [DecryptionKey] contains data, that is shared between [ExtXSessionKey] and [ExtXKey].
///
/// [ExtXSessionKey]: crate::tags::ExtXSessionKey
/// [ExtXKey]: crate::tags::ExtXKey
pub struct DecryptionKey { pub struct DecryptionKey {
/// The [EncryptionMethod].
pub(crate) method: EncryptionMethod, pub(crate) method: EncryptionMethod,
#[builder(setter(into, strip_option), default)] #[builder(setter(into, strip_option), default)]
/// An `URI`, that specifies how to obtain the key.
pub(crate) uri: Option<String>, pub(crate) uri: Option<String>,
#[builder(setter(into, strip_option), default)] #[builder(setter(into, strip_option), default)]
/// The IV (Initialization Vector) attribute.
pub(crate) iv: Option<InitializationVector>, pub(crate) iv: Option<InitializationVector>,
#[builder(setter(into, strip_option), default)] #[builder(setter(into, strip_option), default)]
pub(crate) key_format: Option<String>, /// A string that specifies how the key is
#[builder(setter(into, strip_option), default)] /// represented in the resource identified by the `URI`.
pub(crate) key_format_versions: Option<String>, pub(crate) key_format: Option<KeyFormat>,
#[builder(setter(into), default)]
/// The `KEYFORMATVERSIONS` attribute.
pub(crate) key_format_versions: KeyFormatVersions,
} }
impl DecryptionKey { impl DecryptionKey {
/// Makes a new `DecryptionKey`. /// Makes a new [DecryptionKey].
///
/// # Example /// # Example
/// ``` /// ```
/// use hls_m3u8::types::{EncryptionMethod, DecryptionKey}; /// # use hls_m3u8::types::DecryptionKey;
/// use hls_m3u8::types::EncryptionMethod;
/// ///
/// let key = DecryptionKey::new( /// let key = DecryptionKey::new(
/// EncryptionMethod::Aes128, /// EncryptionMethod::Aes128,
/// "https://www.example.com/" /// "https://www.example.com/"
/// ); /// );
///
/// assert_eq!(
/// key.to_string(),
/// "METHOD=AES-128,URI=\"https://www.example.com/\""
/// );
/// ``` /// ```
pub fn new<T: ToString>(method: EncryptionMethod, uri: T) -> Self { pub fn new<T: ToString>(method: EncryptionMethod, uri: T) -> Self {
Self { Self {
@ -44,14 +54,16 @@ impl DecryptionKey {
uri: Some(uri.to_string()), uri: Some(uri.to_string()),
iv: None, iv: None,
key_format: None, key_format: None,
key_format_versions: None, key_format_versions: KeyFormatVersions::new(),
} }
} }
/// Returns the [EncryptionMethod]. /// Returns the [EncryptionMethod].
///
/// # Example /// # Example
/// ``` /// ```
/// use hls_m3u8::types::{DecryptionKey, EncryptionMethod}; /// # use hls_m3u8::types::DecryptionKey;
/// use hls_m3u8::types::EncryptionMethod;
/// ///
/// let key = DecryptionKey::new( /// let key = DecryptionKey::new(
/// EncryptionMethod::Aes128, /// EncryptionMethod::Aes128,
@ -67,15 +79,17 @@ impl DecryptionKey {
self.method self.method
} }
/// Returns a Builder to build a `DecryptionKey`. /// Returns a Builder to build a [DecryptionKey].
pub fn builder() -> DecryptionKeyBuilder { pub fn builder() -> DecryptionKeyBuilder {
DecryptionKeyBuilder::default() DecryptionKeyBuilder::default()
} }
/// Sets the [EncryptionMethod]. /// Sets the [EncryptionMethod].
///
/// # Example /// # Example
/// ``` /// ```
/// use hls_m3u8::types::{DecryptionKey, EncryptionMethod}; /// # use hls_m3u8::types::DecryptionKey;
/// use hls_m3u8::types::EncryptionMethod;
/// ///
/// let mut key = DecryptionKey::new( /// let mut key = DecryptionKey::new(
/// EncryptionMethod::Aes128, /// EncryptionMethod::Aes128,
@ -93,12 +107,14 @@ impl DecryptionKey {
self.method = value; self.method = value;
} }
/// Returns an `URI` that specifies how to obtain the key. /// Returns an `URI`, that specifies how to obtain the key.
/// ///
/// This attribute is required, if the [EncryptionMethod] is not None. /// This attribute is required, if the [EncryptionMethod] is not None.
///
/// # Example /// # Example
/// ``` /// ```
/// use hls_m3u8::types::{DecryptionKey, EncryptionMethod}; /// # use hls_m3u8::types::DecryptionKey;
/// use hls_m3u8::types::EncryptionMethod;
/// ///
/// let key = DecryptionKey::new( /// let key = DecryptionKey::new(
/// EncryptionMethod::Aes128, /// EncryptionMethod::Aes128,
@ -121,7 +137,8 @@ impl DecryptionKey {
/// ///
/// # Example /// # Example
/// ``` /// ```
/// use hls_m3u8::types::{DecryptionKey, EncryptionMethod}; /// # use hls_m3u8::types::DecryptionKey;
/// use hls_m3u8::types::EncryptionMethod;
/// ///
/// let mut key = DecryptionKey::new( /// let mut key = DecryptionKey::new(
/// EncryptionMethod::Aes128, /// EncryptionMethod::Aes128,
@ -142,9 +159,11 @@ impl DecryptionKey {
/// Returns the IV (Initialization Vector) attribute. /// Returns the IV (Initialization Vector) attribute.
/// ///
/// This attribute is optional. /// This attribute is optional.
///
/// # Example /// # Example
/// ``` /// ```
/// use hls_m3u8::types::{DecryptionKey, EncryptionMethod}; /// # use hls_m3u8::types::DecryptionKey;
/// use hls_m3u8::types::EncryptionMethod;
/// ///
/// let mut key = DecryptionKey::new( /// let mut key = DecryptionKey::new(
/// EncryptionMethod::Aes128, /// EncryptionMethod::Aes128,
@ -171,9 +190,11 @@ impl DecryptionKey {
/// Sets the `IV` attribute. /// Sets the `IV` attribute.
/// ///
/// This attribute is optional. /// This attribute is optional.
///
/// # Example /// # Example
/// ``` /// ```
/// use hls_m3u8::types::{DecryptionKey, EncryptionMethod}; /// # use hls_m3u8::types::DecryptionKey;
/// use hls_m3u8::types::EncryptionMethod;
/// ///
/// let mut key = DecryptionKey::new( /// let mut key = DecryptionKey::new(
/// EncryptionMethod::Aes128, /// EncryptionMethod::Aes128,
@ -197,119 +218,110 @@ impl DecryptionKey {
} }
/// Returns a string that specifies how the key is /// Returns a string that specifies how the key is
/// represented in the resource identified by the URI. /// represented in the resource identified by the `URI`.
///
/// This attribute is optional.
/// ///
//// This attribute is optional.
/// # Example /// # Example
/// ``` /// ```
/// use hls_m3u8::types::{DecryptionKey, EncryptionMethod}; /// # use hls_m3u8::types::DecryptionKey;
/// use hls_m3u8::types::{KeyFormat, EncryptionMethod};
/// ///
/// let mut key = DecryptionKey::new( /// let mut key = DecryptionKey::new(
/// EncryptionMethod::Aes128, /// EncryptionMethod::Aes128,
/// "https://www.example.com/" /// "https://www.example.com/"
/// ); /// );
/// ///
/// key.set_key_format("key_format_attribute"); /// key.set_key_format(Some(KeyFormat::Identity));
/// ///
/// assert_eq!( /// assert_eq!(
/// key.key_format(), /// key.key_format(),
/// &Some("key_format_attribute".to_string()) /// Some(KeyFormat::Identity)
/// ); /// );
/// ``` /// ```
pub const fn key_format(&self) -> &Option<String> { pub const fn key_format(&self) -> Option<KeyFormat> {
&self.key_format self.key_format
} }
/// Sets the `KEYFORMAT` attribute. /// Sets the `KEYFORMAT` attribute.
/// ///
/// This attribute is optional. /// This attribute is optional.
///
/// # Example /// # Example
/// ``` /// ```
/// use hls_m3u8::types::{DecryptionKey, EncryptionMethod}; /// # use hls_m3u8::types::DecryptionKey;
/// use hls_m3u8::types::{KeyFormat, EncryptionMethod};
/// ///
/// let mut key = DecryptionKey::new( /// let mut key = DecryptionKey::new(
/// EncryptionMethod::Aes128, /// EncryptionMethod::Aes128,
/// "https://www.example.com/" /// "https://www.example.com/"
/// ); /// );
/// ///
/// key.set_key_format("key_format_attribute"); /// key.set_key_format(Some(KeyFormat::Identity));
/// ///
/// assert_eq!( /// assert_eq!(
/// key.to_string(), /// key.key_format(),
/// "METHOD=AES-128,URI=\"https://www.example.com/\",KEYFORMAT=\"key_format_attribute\"".to_string() /// Some(KeyFormat::Identity)
/// ); /// );
/// ``` /// ```
pub fn set_key_format<T: ToString>(&mut self, value: T) { pub fn set_key_format<T: Into<KeyFormat>>(&mut self, value: Option<T>) {
self.key_format = Some(value.to_string()); self.key_format = value.map(|v| v.into());
} }
/// Returns a string containing one or more positive /// Returns the [KeyFormatVersions] attribute.
/// integers separated by the "/" character (for example, "1", "1/2",
/// or "1/2/5"). If more than one version of a particular `KEYFORMAT`
/// is defined, this attribute can be used to indicate which
/// version(s) this instance complies with.
/// ///
/// This attribute is optional. /// This attribute is optional.
///
/// # Example /// # Example
/// ``` /// ```
/// use hls_m3u8::types::{DecryptionKey, EncryptionMethod}; /// # use hls_m3u8::types::DecryptionKey;
/// use hls_m3u8::types::{KeyFormatVersions, EncryptionMethod};
/// ///
/// let mut key = DecryptionKey::new( /// let mut key = DecryptionKey::new(
/// EncryptionMethod::Aes128, /// EncryptionMethod::Aes128,
/// "https://www.example.com/" /// "https://www.example.com/"
/// ); /// );
/// ///
/// key.set_key_format_versions("1/2/3/4/5"); /// key.set_key_format_versions(vec![1, 2, 3, 4, 5]);
/// ///
/// assert_eq!( /// assert_eq!(
/// key.key_format_versions(), /// key.key_format_versions(),
/// &Some("1/2/3/4/5".to_string()) /// &KeyFormatVersions::from(vec![1, 2, 3, 4, 5])
/// ); /// );
/// ``` /// ```
pub const fn key_format_versions(&self) -> &Option<String> { pub const fn key_format_versions(&self) -> &KeyFormatVersions {
&self.key_format_versions &self.key_format_versions
} }
/// Sets the `KEYFORMATVERSIONS` attribute. /// Sets the [KeyFormatVersions] attribute.
/// ///
/// This attribute is optional. /// This attribute is optional.
///
/// # Example /// # Example
/// ``` /// ```
/// use hls_m3u8::types::{DecryptionKey, EncryptionMethod}; /// # use hls_m3u8::types::DecryptionKey;
/// use hls_m3u8::types::EncryptionMethod;
/// ///
/// let mut key = DecryptionKey::new( /// let mut key = DecryptionKey::new(
/// EncryptionMethod::Aes128, /// EncryptionMethod::Aes128,
/// "https://www.example.com/" /// "https://www.example.com/"
/// ); /// );
/// ///
/// key.set_key_format_versions("1/2/3/4/5"); /// key.set_key_format_versions(vec![1, 2, 3, 4, 5]);
/// ///
/// assert_eq!( /// assert_eq!(
/// key.to_string(), /// key.to_string(),
/// "METHOD=AES-128,URI=\"https://www.example.com/\",KEYFORMATVERSIONS=\"1/2/3/4/5\"".to_string() /// "METHOD=AES-128,URI=\"https://www.example.com/\",KEYFORMATVERSIONS=\"1/2/3/4/5\"".to_string()
/// ); /// );
/// ``` /// ```
pub fn set_key_format_versions<T: ToString>(&mut self, value: T) { pub fn set_key_format_versions<T: Into<KeyFormatVersions>>(&mut self, value: T) {
self.key_format_versions = Some(value.to_string()); self.key_format_versions = value.into();
} }
}
/// Returns the protocol compatibility version that this tag requires. impl RequiredVersion for DecryptionKey {
/// # Example fn required_version(&self) -> ProtocolVersion {
/// ``` if self.key_format.is_some() || !self.key_format_versions.is_default() {
/// use hls_m3u8::types::{EncryptionMethod, ProtocolVersion, DecryptionKey};
///
/// let mut key = DecryptionKey::new(
/// EncryptionMethod::Aes128,
/// "https://www.example.com/"
/// );
///
/// assert_eq!(
/// key.requires_version(),
/// ProtocolVersion::V1
/// );
/// ```
pub fn requires_version(&self) -> ProtocolVersion {
if self.key_format.is_some() || self.key_format_versions.is_some() {
ProtocolVersion::V5 ProtocolVersion::V5
} else if self.iv.is_some() { } else if self.iv.is_some() {
ProtocolVersion::V2 ProtocolVersion::V2
@ -331,11 +343,11 @@ impl FromStr for DecryptionKey {
for (key, value) in input.parse::<AttributePairs>()? { for (key, value) in input.parse::<AttributePairs>()? {
match key.as_str() { match key.as_str() {
"METHOD" => method = Some((value.parse())?), "METHOD" => method = Some(value.parse()?),
"URI" => uri = Some(unquote(value)), "URI" => uri = Some(unquote(value)),
"IV" => iv = Some((value.parse())?), "IV" => iv = Some(value.parse()?),
"KEYFORMAT" => key_format = Some(unquote(value)), "KEYFORMAT" => key_format = Some(value.parse()?),
"KEYFORMATVERSIONS" => key_format_versions = Some(unquote(value)), "KEYFORMATVERSIONS" => key_format_versions = Some(value.parse()?),
_ => { _ => {
// [6.3.1. General Client Responsibilities] // [6.3.1. General Client Responsibilities]
// > ignore any attribute/value pair with an unrecognized AttributeName. // > ignore any attribute/value pair with an unrecognized AttributeName.
@ -353,7 +365,7 @@ impl FromStr for DecryptionKey {
uri, uri,
iv, iv,
key_format, key_format,
key_format_versions, key_format_versions: key_format_versions.unwrap_or(KeyFormatVersions::new()),
}) })
} }
} }
@ -374,8 +386,8 @@ impl fmt::Display for DecryptionKey {
if let Some(value) = &self.key_format { if let Some(value) = &self.key_format {
write!(f, ",KEYFORMAT={}", quote(value))?; write!(f, ",KEYFORMAT={}", quote(value))?;
} }
if let Some(value) = &self.key_format_versions { if !self.key_format_versions.is_default() {
write!(f, ",KEYFORMATVERSIONS={}", quote(value))?; write!(f, ",KEYFORMATVERSIONS={}", &self.key_format_versions)?;
} }
Ok(()) Ok(())
} }
@ -394,13 +406,19 @@ mod test {
.iv([ .iv([
16, 239, 143, 117, 140, 165, 85, 17, 85, 132, 187, 91, 60, 104, 127, 82, 16, 239, 143, 117, 140, 165, 85, 17, 85, 132, 187, 91, 60, 104, 127, 82,
]) ])
.key_format("ABC123") .key_format(KeyFormat::Identity)
.key_format_versions("1,2,3,4,5/12345") .key_format_versions(vec![1, 2, 3, 4, 5])
.build() .build()
.unwrap(); .unwrap();
assert_eq!( assert_eq!(
key.to_string(), key.to_string(),
"METHOD=AES-128,URI=\"https://www.example.com/\",IV=0x10ef8f758ca555115584bb5b3c687f52,KEYFORMAT=\"ABC123\",KEYFORMATVERSIONS=\"1,2,3,4,5/12345\"".to_string() "METHOD=AES-128,\
URI=\"https://www.example.com/\",\
IV=0x10ef8f758ca555115584bb5b3c687f52,\
KEYFORMAT=\"identity\",\
KEYFORMATVERSIONS=\"1/2/3/4/5\"\
"
.to_string()
) )
} }
@ -426,7 +444,8 @@ mod test {
#[test] #[test]
fn test_parser() { fn test_parser() {
assert_eq!( assert_eq!(
r#"METHOD=AES-128,URI="https://priv.example.com/key.php?r=52""# "METHOD=AES-128,\
URI=\"https://priv.example.com/key.php?r=52\""
.parse::<DecryptionKey>() .parse::<DecryptionKey>()
.unwrap(), .unwrap(),
DecryptionKey::new( DecryptionKey::new(
@ -456,12 +475,25 @@ mod test {
key.set_iv([ key.set_iv([
16, 239, 143, 117, 140, 165, 85, 17, 85, 132, 187, 91, 60, 104, 127, 82, 16, 239, 143, 117, 140, 165, 85, 17, 85, 132, 187, 91, 60, 104, 127, 82,
]); ]);
key.set_key_format("baz"); key.set_key_format(Some(KeyFormat::Identity));
assert_eq!( assert_eq!(
r#"METHOD=AES-128,URI="http://www.example.com",IV=0x10ef8f758ca555115584bb5b3c687f52,KEYFORMAT="baz""# "METHOD=AES-128,\
.parse::<DecryptionKey>().unwrap(), URI=\"http://www.example.com\",\
IV=0x10ef8f758ca555115584bb5b3c687f52,\
KEYFORMAT=\"identity\""
.parse::<DecryptionKey>()
.unwrap(),
key key
) )
} }
#[test]
fn test_required_version() {
assert_eq!(
DecryptionKey::new(EncryptionMethod::Aes128, "https://www.example.com/")
.required_version(),
ProtocolVersion::V1
)
}
} }

68
src/types/key_format.rs Normal file
View file

@ -0,0 +1,68 @@
use std::fmt;
use std::str::FromStr;
use crate::types::{ProtocolVersion, RequiredVersion};
use crate::utils::{quote, tag, unquote};
use crate::Error;
#[derive(Copy, Clone, Eq, PartialEq, Ord, PartialOrd, Hash, Debug)]
/// KeyFormat specifies, how the key is represented in the resource identified by the URI
pub enum KeyFormat {
/// The key is a single packed array of 16 octets in binary format.
Identity,
}
impl Default for KeyFormat {
fn default() -> Self {
Self::Identity
}
}
impl FromStr for KeyFormat {
type Err = Error;
fn from_str(input: &str) -> Result<Self, Self::Err> {
tag(&unquote(input), "identity")?; // currently only KeyFormat::Identity exists!
Ok(Self::Identity)
}
}
impl fmt::Display for KeyFormat {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
write!(f, "{}", quote("identity"))
}
}
impl RequiredVersion for KeyFormat {
fn required_version(&self) -> ProtocolVersion {
ProtocolVersion::V5
}
}
#[cfg(test)]
mod tests {
use super::*;
#[test]
fn test_display() {
assert_eq!(KeyFormat::Identity.to_string(), quote("identity"));
}
#[test]
fn test_parser() {
assert_eq!(KeyFormat::Identity, quote("identity").parse().unwrap());
assert_eq!(KeyFormat::Identity, "identity".parse().unwrap());
}
#[test]
fn test_required_version() {
assert_eq!(KeyFormat::Identity.required_version(), ProtocolVersion::V5)
}
#[test]
fn test_default() {
assert_eq!(KeyFormat::Identity, KeyFormat::default());
}
}

170
src/types/key_format_versions.rs Normal file
View file

@ -0,0 +1,170 @@
use std::fmt;
use std::ops::{Deref, DerefMut};
use std::str::FromStr;
use crate::types::{ProtocolVersion, RequiredVersion};
use crate::utils::{quote, unquote};
use crate::Error;
/// A list of [usize], that can be used to indicate which version(s)
/// this instance complies with, if more than one version of a particular
/// [KeyFormat] is defined.
///
/// [KeyFormat]: crate::types::KeyFormat
#[derive(Clone, Eq, PartialEq, Ord, PartialOrd, Hash, Debug)]
pub struct KeyFormatVersions(Vec<usize>);
impl Default for KeyFormatVersions {
fn default() -> Self {
Self(vec![1])
}
}
impl KeyFormatVersions {
/// Makes a new [KeyFormatVersions].
pub fn new() -> Self {
Self::default()
}
/// Add a value to the [KeyFormatVersions].
pub fn push(&mut self, value: usize) {
if self.is_default() {
self.0 = vec![value];
} else {
self.0.push(value);
}
}
/// Returns `true`, if [KeyFormatVersions] has the default value of `vec![1]`.
pub fn is_default(&self) -> bool {
self.0 == vec![1] || self.0.is_empty()
}
}
impl Deref for KeyFormatVersions {
type Target = Vec<usize>;
fn deref(&self) -> &Self::Target {
&self.0
}
}
impl DerefMut for KeyFormatVersions {
fn deref_mut(&mut self) -> &mut Self::Target {
&mut self.0
}
}
impl RequiredVersion for KeyFormatVersions {
fn required_version(&self) -> ProtocolVersion {
ProtocolVersion::V5
}
}
impl FromStr for KeyFormatVersions {
type Err = Error;
fn from_str(input: &str) -> Result<Self, Self::Err> {
let mut result = unquote(input)
.split("/")
.filter_map(|v| v.parse().ok())
.collect::<Vec<_>>();
if result.is_empty() {
result.push(1);
}
Ok(Self(result))
}
}
impl fmt::Display for KeyFormatVersions {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
if self.is_default() {
return write!(f, "{}", quote("1"));
}
write!(
f,
"{}",
quote(
// vec![1, 2, 3] -> "1/2/3"
self.0
.iter()
.map(|v| v.to_string())
.collect::<Vec<String>>()
.join("/")
)
)
}
}
impl<T: Into<Vec<usize>>> From<T> for KeyFormatVersions {
fn from(value: T) -> Self {
Self(value.into())
}
}
#[cfg(test)]
mod tests {
use super::*;
#[test]
fn test_display() {
assert_eq!(
KeyFormatVersions::from(vec![1, 2, 3, 4, 5]).to_string(),
quote("1/2/3/4/5")
);
assert_eq!(KeyFormatVersions::from(vec![]).to_string(), quote("1"));
assert_eq!(KeyFormatVersions::new().to_string(), quote("1"));
}
#[test]
fn test_parser() {
assert_eq!(
KeyFormatVersions::from(vec![1, 2, 3, 4, 5]),
quote("1/2/3/4/5").parse().unwrap()
);
assert_eq!(KeyFormatVersions::from(vec![1]), "1".parse().unwrap());
assert_eq!(KeyFormatVersions::from(vec![1, 2]), "1/2".parse().unwrap());
}
#[test]
fn test_required_version() {
assert_eq!(
KeyFormatVersions::new().required_version(),
ProtocolVersion::V5
)
}
#[test]
fn test_is_default() {
assert!(KeyFormatVersions::new().is_default());
assert!(KeyFormatVersions::from(vec![]).is_default());
assert!(!KeyFormatVersions::from(vec![1, 2, 3]).is_default());
}
#[test]
fn test_push() {
let mut key_format_versions = KeyFormatVersions::from(vec![]);
key_format_versions.push(2);
assert_eq!(KeyFormatVersions::from(vec![2]), key_format_versions);
}
#[test]
fn test_deref() {
assert!(!KeyFormatVersions::new().is_empty());
}
#[test]
fn test_deref_mut() {
let mut key_format_versions = KeyFormatVersions::from(vec![1, 2, 3]);
key_format_versions.pop();
assert_eq!(key_format_versions, KeyFormatVersions::from(vec![1, 2]));
}
}

4
src/types/mod.rs
View file

@ -8,6 +8,8 @@ mod encryption_method;
mod hdcp_level; mod hdcp_level;
mod in_stream_id; mod in_stream_id;
mod initialization_vector; mod initialization_vector;
mod key_format;
mod key_format_versions;
mod media_type; mod media_type;
mod protocol_version; mod protocol_version;
mod signed_decimal_floating_point; mod signed_decimal_floating_point;
@ -22,6 +24,8 @@ pub use encryption_method::*;
pub use hdcp_level::*; pub use hdcp_level::*;
pub use in_stream_id::*; pub use in_stream_id::*;
pub use initialization_vector::*; pub use initialization_vector::*;
pub use key_format::*;
pub use key_format_versions::*;
pub use media_type::*; pub use media_type::*;
pub use protocol_version::*; pub use protocol_version::*;
pub(crate) use signed_decimal_floating_point::*; pub(crate) use signed_decimal_floating_point::*;

87
src/types/protocol_version.rs
View file

@ -3,6 +3,30 @@ use std::str::FromStr;
use crate::Error; use crate::Error;
/// # Example
/// Implementing it:
/// ```
/// # use hls_m3u8::types::{ProtocolVersion, RequiredVersion};
/// #
/// struct NewTag(u64);
///
/// impl RequiredVersion for NewTag {
/// fn required_version(&self) -> ProtocolVersion {
/// if self.0 == 5 {
/// ProtocolVersion::V4
/// } else {
/// ProtocolVersion::V1
/// }
/// }
/// }
/// assert_eq!(NewTag(5).required_version(), ProtocolVersion::V4);
/// assert_eq!(NewTag(2).required_version(), ProtocolVersion::V1);
/// ```
pub trait RequiredVersion {
/// Returns the protocol compatibility version that this tag requires.
fn required_version(&self) -> ProtocolVersion;
}
/// [7. Protocol Version Compatibility] /// [7. Protocol Version Compatibility]
/// ///
/// [7. Protocol Version Compatibility]: https://tools.ietf.org/html/rfc8216#section-7 /// [7. Protocol Version Compatibility]: https://tools.ietf.org/html/rfc8216#section-7
@ -29,13 +53,13 @@ impl fmt::Display for ProtocolVersion {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result { fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
let n = { let n = {
match &self { match &self {
ProtocolVersion::V1 => 1, Self::V1 => 1,
ProtocolVersion::V2 => 2, Self::V2 => 2,
ProtocolVersion::V3 => 3, Self::V3 => 3,
ProtocolVersion::V4 => 4, Self::V4 => 4,
ProtocolVersion::V5 => 5, Self::V5 => 5,
ProtocolVersion::V6 => 6, Self::V6 => 6,
ProtocolVersion::V7 => 7, Self::V7 => 7,
} }
}; };
write!(f, "{}", n) write!(f, "{}", n)
@ -47,16 +71,49 @@ impl FromStr for ProtocolVersion {
fn from_str(input: &str) -> Result<Self, Self::Err> { fn from_str(input: &str) -> Result<Self, Self::Err> {
Ok({ Ok({
match input { match input.trim() {
"1" => ProtocolVersion::V1, "1" => Self::V1,
"2" => ProtocolVersion::V2, "2" => Self::V2,
"3" => ProtocolVersion::V3, "3" => Self::V3,
"4" => ProtocolVersion::V4, "4" => Self::V4,
"5" => ProtocolVersion::V5, "5" => Self::V5,
"6" => ProtocolVersion::V6, "6" => Self::V6,
"7" => ProtocolVersion::V7, "7" => Self::V7,
_ => return Err(Error::unknown_protocol_version(input)), _ => return Err(Error::unknown_protocol_version(input)),
} }
}) })
} }
} }
impl Default for ProtocolVersion {
fn default() -> Self {
Self::V1
}
}
#[cfg(test)]
mod tests {
use super::*;
#[test]
fn test_display() {
assert_eq!(ProtocolVersion::V1.to_string(), "1".to_string());
assert_eq!(ProtocolVersion::V2.to_string(), "2".to_string());
assert_eq!(ProtocolVersion::V3.to_string(), "3".to_string());
assert_eq!(ProtocolVersion::V4.to_string(), "4".to_string());
assert_eq!(ProtocolVersion::V5.to_string(), "5".to_string());
assert_eq!(ProtocolVersion::V6.to_string(), "6".to_string());
assert_eq!(ProtocolVersion::V7.to_string(), "7".to_string());
}
#[test]
fn test_parser() {
assert_eq!(ProtocolVersion::V1, "1".parse().unwrap());
assert_eq!(ProtocolVersion::V2, "2".parse().unwrap());
assert_eq!(ProtocolVersion::V3, "3".parse().unwrap());
assert_eq!(ProtocolVersion::V4, "4".parse().unwrap());
assert_eq!(ProtocolVersion::V5, "5".parse().unwrap());
assert_eq!(ProtocolVersion::V6, "6".parse().unwrap());
assert_eq!(ProtocolVersion::V7, "7".parse().unwrap());
}
}

2
src/utils.rs
View file

@ -46,7 +46,7 @@ pub(crate) fn tag<T>(input: &str, tag: T) -> crate::Result<&str>
where where
T: AsRef<str>, T: AsRef<str>,
{ {
if !input.starts_with(tag.as_ref()) { if !input.trim().starts_with(tag.as_ref()) {
return Err(Error::missing_tag(tag.as_ref(), input)); return Err(Error::missing_tag(tag.as_ref(), input));
} }
let result = input.split_at(tag.as_ref().len()).1; let result = input.split_at(tag.as_ref().len()).1;