Merge b7c2cb023d into 381ac7732f

Support AWS Elemental MediaConvert decimal format.

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "m3u8-rs"
-version = "5.0.5"
+version = "6.0.0"
 authors = ["Rutger"]
 readme = "README.md"
 repository = "https://github.com/rutgersc/m3u8-rs"
@@ -16,4 +16,5 @@ chrono = { version = "0.4", default-features = false, features = [ "std" ] }
 [features]
 default = ["parser"]
 parser = ["nom"]
+lenient = []
 

sample-playlists/media-playlist-zero-decimal.m3u8

@@ -0,0 +1,30 @@
+#EXTM3U
+#EXT-X-TARGETDURATION:11
+#EXT-X-VERSION:4
+#EXT-X-MEDIA-SEQUENCE:0
+#EXT-X-PLAYLIST-TYPE:VOD
+#EXTINF:9.00000,
+#EXT-X-BYTERANGE:86920@0
+main.aac
+#EXTINF:10.00000,
+#EXT-X-BYTERANGE:136595@86920
+main.aac
+#EXTINF:9.00000,
+#EXT-X-BYTERANGE:136567@223515
+main.aac
+#EXTINF:10.00000,
+#EXT-X-BYTERANGE:136954@360082
+main.aac
+#EXTINF:10.00000,
+#EXT-X-BYTERANGE:137116@497036
+main.aac
+#EXTINF:9.00000,
+#EXT-X-BYTERANGE:136770@634152
+main.aac
+#EXTINF:10.00000,
+#EXT-X-BYTERANGE:137219@770922
+main.aac
+#EXTINF:10.00000,
+#EXT-X-BYTERANGE:137132@908141
+main.acc
+#EXT-X-ENDLIST

src/lib.rs

@@ -42,7 +42,7 @@
 //!
 //! let playlist = MediaPlaylist {
 //!     version: Some(6),
-//!     target_duration: 3.0,
+//!     target_duration: 3,
 //!     media_sequence: 338559,
 //!     discontinuity_sequence: 1234,
 //!     end_list: true,
@@ -64,6 +64,32 @@
 //! //let mut file = std::fs::File::open("playlist.m3u8").unwrap();
 //! //playlist.write_to(&mut file).unwrap();
 //! ```
+//!
+//! Controlling the output precision for floats, such as #EXTINF (default is unset)
+//!
+//! ```
+//! use std::sync::atomic::Ordering;
+//! use m3u8_rs::{WRITE_OPT_FLOAT_PRECISION, MediaPlaylist, MediaSegment};
+//!
+//! WRITE_OPT_FLOAT_PRECISION.store(5, Ordering::Relaxed);
+//!
+//! let playlist = MediaPlaylist {
+//!     target_duration: 3,
+//!     segments: vec![
+//!         MediaSegment {
+//!             duration: 2.9,
+//!             title: Some("title".into()),
+//!             ..Default::default()
+//!         },
+//!     ],
+//!     ..Default::default()
+//! };
+//!
+//! let mut v: Vec<u8> = Vec::new();
+//!
+//! playlist.write_to(&mut v).unwrap();
+//! let m3u8_str: &str = std::str::from_utf8(&v).unwrap();
+//! assert!(m3u8_str.contains("#EXTINF:2.90000,title"));
 
 mod playlist;
 pub use playlist::*;

src/parser.rs

@@ -52,7 +52,7 @@ pub fn parse_playlist(input: &[u8]) -> IResult<&[u8], Playlist> {
     }
 }
 
-/// Parses an m3u8 playlist just like `parse_playlist`, except that this returns an [std::result::Result](std::result::Result) instead of a [nom::IResult](https://docs.rs/nom/1.2.3/nom/enum.IResult.html).
+/// Parses an m3u8 playlist just like `parse_playlist`, except that this returns an [std::result::Result](std::result::Result) instead of a [`nom::IResult`](https://docs.rs/nom/1.2.3/nom/enum.IResult.html).
 /// However, since [nom::IResult](nom::IResult) is now an [alias to Result](https://github.com/Geal/nom/blob/master/doc/upgrading_to_nom_5.md), this is no longer needed.
 ///
 /// # Examples
@@ -128,7 +128,7 @@ pub fn parse_media_playlist_res(
 /// When a media tag or no master tag is found, this returns false.
 pub fn is_master_playlist(input: &[u8]) -> bool {
     // Assume it's not a master playlist
-    contains_master_tag(input).map(|t| t.0).unwrap_or(false)
+    contains_master_tag(input).map_or(false, |t| t.0)
 }
 
 /// Scans input looking for either a master or media `#EXT` tag.
@@ -344,7 +344,7 @@ fn parse_media_playlist_tags(i: &[u8]) -> IResult<&[u8], Vec<MediaPlaylistTag>>
 enum MediaPlaylistTag {
     Version(usize),
     Segment(SegmentTag),
-    TargetDuration(f32),
+    TargetDuration(u64),
     MediaSequence(u64),
     DiscontinuitySequence(u64),
     EndList,
@@ -361,7 +361,7 @@ fn media_playlist_tag(i: &[u8]) -> IResult<&[u8], MediaPlaylistTag> {
     alt((
         map(version_tag, MediaPlaylistTag::Version),
         map(
-            pair(tag("#EXT-X-TARGETDURATION:"), float),
+            pair(tag("#EXT-X-TARGETDURATION:"), number),
             |(_, duration)| MediaPlaylistTag::TargetDuration(duration),
         ),
         map(
@@ -642,28 +642,27 @@ pub enum QuotedOrUnquoted {
 
 impl Default for QuotedOrUnquoted {
     fn default() -> Self {
-        QuotedOrUnquoted::Quoted(String::new())
+        Self::Quoted(String::new())
     }
 }
 
 impl QuotedOrUnquoted {
     pub fn as_str(&self) -> &str {
         match self {
-            QuotedOrUnquoted::Quoted(s) => s.as_str(),
-            QuotedOrUnquoted::Unquoted(s) => s.as_str(),
+            Self::Quoted(s) | Self::Unquoted(s) => s.as_str(),
         }
     }
 
     pub fn as_unquoted(&self) -> Option<&str> {
         match self {
-            QuotedOrUnquoted::Unquoted(s) => Some(s.as_str()),
+            Self::Unquoted(s) => Some(s.as_str()),
             _ => None,
         }
     }
 
     pub fn as_quoted(&self) -> Option<&str> {
         match self {
-            QuotedOrUnquoted::Quoted(s) => Some(s.as_str()),
+            Self::Quoted(s) => Some(s.as_str()),
             _ => None,
         }
     }
@@ -672,22 +671,22 @@ impl QuotedOrUnquoted {
 impl From<&str> for QuotedOrUnquoted {
     fn from(s: &str) -> Self {
         if s.starts_with('"') && s.ends_with('"') {
-            return QuotedOrUnquoted::Quoted(
+            return Self::Quoted(
                 s.strip_prefix('"')
                     .and_then(|s| s.strip_suffix('"'))
                     .unwrap_or_default()
                     .to_string(),
             );
         }
-        QuotedOrUnquoted::Unquoted(s.to_string())
+        Self::Unquoted(s.to_string())
     }
 }
 
 impl Display for QuotedOrUnquoted {
     fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
         match self {
-            QuotedOrUnquoted::Unquoted(s) => write!(f, "{}", s),
-            QuotedOrUnquoted::Quoted(u) => write!(f, "\"{}\"", u),
+            Self::Unquoted(s) => write!(f, "{}", s),
+            Self::Quoted(u) => write!(f, "\"{}\"", u),
         }
     }
 }
@@ -747,18 +746,20 @@ fn float(i: &[u8]) -> IResult<&[u8], f32> {
             take_while1(is_digit),
             opt(preceded(char('.'), take_while1(is_digit))),
         ),
-        |(left, right): (&[u8], Option<&[u8]>)| match right {
-            Some(right) => {
-                let n = &i[..(left.len() + right.len() + 1)];
-                // Can't fail because we validated it above already
-                let n = str::from_utf8(n).unwrap();
-                n.parse()
-            }
-            None => {
-                // Can't fail because we validated it above already
-                let left = str::from_utf8(left).unwrap();
-                left.parse()
-            }
+        |(left, right): (&[u8], Option<&[u8]>)| {
+            right.map_or_else(
+                || {
+                    // Can't fail because we validated it above already
+                    let left = str::from_utf8(left).unwrap();
+                    left.parse()
+                },
+                |right| {
+                    let n = &i[..=(left.len() + right.len())];
+                    // Can't fail because we validated it above already
+                    let n = str::from_utf8(n).unwrap();
+                    n.parse()
+                },
+            )
         },
     )(i)
 }

src/playlist.rs

@@ -4,13 +4,19 @@
 //! Which is either a `MasterPlaylist` or a `MediaPlaylist`.
 
 use crate::QuotedOrUnquoted;
+use chrono::DateTime;
 use std::collections::HashMap;
 use std::convert::{TryFrom, TryInto};
-use std::f32;
 use std::fmt;
 use std::fmt::Display;
 use std::io::Write;
 use std::str::FromStr;
+use std::sync::atomic::{AtomicUsize, Ordering};
+use std::usize::MAX;
+use std::{f32, usize};
+
+/// The output precision for floats, such as #EXTINF (default is unset)
+pub static WRITE_OPT_FLOAT_PRECISION: AtomicUsize = AtomicUsize::new(MAX);
 
 macro_rules! write_some_attribute_quoted {
     ($w:expr, $tag:expr, $o:expr) => {
@@ -152,8 +158,8 @@ pub enum Playlist {
 impl Playlist {
     pub fn write_to<T: Write>(&self, writer: &mut T) -> std::io::Result<()> {
         match *self {
-            Playlist::MasterPlaylist(ref pl) => pl.write_to(writer),
-            Playlist::MediaPlaylist(ref pl) => pl.write_to(writer),
+            Self::MasterPlaylist(ref pl) => pl.write_to(writer),
+            Self::MediaPlaylist(ref pl) => pl.write_to(writer),
         }
     }
 }
@@ -254,7 +260,7 @@ impl VariantStream {
     pub(crate) fn from_hashmap(
         mut attrs: HashMap<String, QuotedOrUnquoted>,
         is_i_frame: bool,
-    ) -> Result<VariantStream, String> {
+    ) -> Result<Self, String> {
         let uri = quoted_string!(attrs, "URI").unwrap_or_default();
         // TODO: keep in attrs if parsing optional attributes fails
         let bandwidth = unquoted_string_parse!(attrs, "BANDWIDTH", |s: &str| s
@@ -275,11 +281,11 @@ impl VariantStream {
         let subtitles = quoted_string!(attrs, "SUBTITLES");
         let closed_captions = attrs
             .remove("CLOSED-CAPTIONS")
-            .map(|c| c.try_into())
+            .map(TryInto::try_into)
             .transpose()?;
         let other_attributes = if attrs.is_empty() { None } else { Some(attrs) };
 
-        Ok(VariantStream {
+        Ok(Self {
             is_i_frame,
             uri,
             bandwidth,
@@ -346,7 +352,7 @@ impl Display for Resolution {
 impl FromStr for Resolution {
     type Err = String;
 
-    fn from_str(s: &str) -> Result<Resolution, String> {
+    fn from_str(s: &str) -> Result<Self, String> {
         match s.split_once('x') {
             Some((width, height)) => {
                 let width = width
@@ -355,7 +361,7 @@ impl FromStr for Resolution {
                 let height = height
                     .parse::<u64>()
                     .map_err(|err| format!("Can't parse RESOLUTION attribute height: {}", err))?;
-                Ok(Resolution { width, height })
+                Ok(Self { width, height })
             }
             None => Err(String::from("Invalid RESOLUTION attribute")),
         }
@@ -373,12 +379,12 @@ pub enum HDCPLevel {
 impl FromStr for HDCPLevel {
     type Err = String;
 
-    fn from_str(s: &str) -> Result<HDCPLevel, String> {
+    fn from_str(s: &str) -> Result<Self, String> {
         match s {
-            "TYPE-0" => Ok(HDCPLevel::Type0),
-            "TYPE-1" => Ok(HDCPLevel::Type1),
-            "NONE" => Ok(HDCPLevel::None),
-            _ => Ok(HDCPLevel::Other(String::from(s))),
+            "TYPE-0" => Ok(Self::Type0),
+            "TYPE-1" => Ok(Self::Type1),
+            "NONE" => Ok(Self::None),
+            _ => Ok(Self::Other(String::from(s))),
         }
     }
 }
@@ -389,10 +395,10 @@ impl Display for HDCPLevel {
             f,
             "{}",
             match self {
-                HDCPLevel::Type0 => "TYPE-0",
-                HDCPLevel::Type1 => "TYPE-1",
-                HDCPLevel::None => "NONE",
-                HDCPLevel::Other(s) => s,
+                Self::Type0 => "TYPE-0",
+                Self::Type1 => "TYPE-1",
+                Self::None => "NONE",
+                Self::Other(s) => s,
             }
         )
     }
@@ -409,11 +415,11 @@ pub enum ClosedCaptionGroupId {
 impl TryFrom<QuotedOrUnquoted> for ClosedCaptionGroupId {
     type Error = String;
 
-    fn try_from(s: QuotedOrUnquoted) -> Result<ClosedCaptionGroupId, String> {
+    fn try_from(s: QuotedOrUnquoted) -> Result<Self, String> {
         match s {
-            QuotedOrUnquoted::Unquoted(s) if s == "NONE" => Ok(ClosedCaptionGroupId::None),
-            QuotedOrUnquoted::Unquoted(s) => Ok(ClosedCaptionGroupId::Other(s)),
-            QuotedOrUnquoted::Quoted(s) => Ok(ClosedCaptionGroupId::GroupId(s)),
+            QuotedOrUnquoted::Unquoted(s) if s == "NONE" => Ok(Self::None),
+            QuotedOrUnquoted::Unquoted(s) => Ok(Self::Other(s)),
+            QuotedOrUnquoted::Quoted(s) => Ok(Self::GroupId(s)),
         }
     }
 }
@@ -447,7 +453,7 @@ pub struct AlternativeMedia {
 impl AlternativeMedia {
     pub(crate) fn from_hashmap(
         mut attrs: HashMap<String, QuotedOrUnquoted>,
-    ) -> Result<AlternativeMedia, String> {
+    ) -> Result<Self, String> {
         let media_type = unquoted_string_parse!(attrs, "TYPE")
             .ok_or_else(|| String::from("EXT-X-MEDIA without mandatory TYPE attribute"))?;
         let uri = quoted_string!(attrs, "URI");
@@ -467,6 +473,7 @@ impl AlternativeMedia {
         let default = is_yes!(attrs, "DEFAULT");
         let autoselect = is_yes!(attrs, "AUTOSELECT");
 
+        #[cfg(not(feature = "lenient"))]
         if media_type != AlternativeMediaType::Subtitles && attrs.contains_key("FORCED") {
             return Err(String::from(
                 "FORCED attribute must not be included in non-SUBTITLE Alternative Medias",
@@ -488,7 +495,7 @@ impl AlternativeMedia {
         let channels = quoted_string!(attrs, "CHANNELS");
         let other_attributes = if attrs.is_empty() { None } else { Some(attrs) };
 
-        Ok(AlternativeMedia {
+        Ok(Self {
             media_type,
             uri,
             group_id,
@@ -547,20 +554,20 @@ pub enum AlternativeMediaType {
 impl FromStr for AlternativeMediaType {
     type Err = String;
 
-    fn from_str(s: &str) -> Result<AlternativeMediaType, String> {
+    fn from_str(s: &str) -> Result<Self, String> {
         match s {
-            "AUDIO" => Ok(AlternativeMediaType::Audio),
-            "VIDEO" => Ok(AlternativeMediaType::Video),
-            "SUBTITLES" => Ok(AlternativeMediaType::Subtitles),
-            "CLOSED-CAPTIONS" => Ok(AlternativeMediaType::ClosedCaptions),
-            _ => Ok(AlternativeMediaType::Other(String::from(s))),
+            "AUDIO" => Ok(Self::Audio),
+            "VIDEO" => Ok(Self::Video),
+            "SUBTITLES" => Ok(Self::Subtitles),
+            "CLOSED-CAPTIONS" => Ok(Self::ClosedCaptions),
+            _ => Ok(Self::Other(String::from(s))),
         }
     }
 }
 
 impl Default for AlternativeMediaType {
-    fn default() -> AlternativeMediaType {
-        AlternativeMediaType::Video
+    fn default() -> Self {
+        Self::Video
     }
 }
 
@@ -570,11 +577,11 @@ impl Display for AlternativeMediaType {
             f,
             "{}",
             match self {
-                AlternativeMediaType::Audio => "AUDIO",
-                AlternativeMediaType::Video => "VIDEO",
-                AlternativeMediaType::Subtitles => "SUBTITLES",
-                AlternativeMediaType::ClosedCaptions => "CLOSED-CAPTIONS",
-                AlternativeMediaType::Other(s) => s.as_str(),
+                Self::Audio => "AUDIO",
+                Self::Video => "VIDEO",
+                Self::Subtitles => "SUBTITLES",
+                Self::ClosedCaptions => "CLOSED-CAPTIONS",
+                Self::Other(s) => s.as_str(),
             }
         )
     }
@@ -590,19 +597,19 @@ pub enum InstreamId {
 impl FromStr for InstreamId {
     type Err = String;
 
-    fn from_str(s: &str) -> Result<InstreamId, String> {
+    fn from_str(s: &str) -> Result<Self, String> {
         if let Some(cc) = s.strip_prefix("CC") {
             let cc = cc
                 .parse::<u8>()
                 .map_err(|err| format!("Unable to create InstreamId from {:?}: {}", s, err))?;
-            Ok(InstreamId::CC(cc))
+            Ok(Self::CC(cc))
         } else if let Some(service) = s.strip_prefix("SERVICE") {
             let service = service
                 .parse::<u8>()
                 .map_err(|err| format!("Unable to create InstreamId from {:?}: {}", s, err))?;
-            Ok(InstreamId::Service(service))
+            Ok(Self::Service(service))
         } else {
-            Ok(InstreamId::Other(String::from(s)))
+            Ok(Self::Other(String::from(s)))
         }
     }
 }
@@ -610,9 +617,9 @@ impl FromStr for InstreamId {
 impl Display for InstreamId {
     fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
         match self {
-            InstreamId::CC(cc) => write!(f, "CC{}", cc),
-            InstreamId::Service(service) => write!(f, "SERVICE{}", service),
-            InstreamId::Other(s) => write!(f, "{}", s),
+            Self::CC(cc) => write!(f, "CC{}", cc),
+            Self::Service(service) => write!(f, "SERVICE{}", service),
+            Self::Other(s) => write!(f, "{}", s),
         }
     }
 }
@@ -652,7 +659,7 @@ pub struct SessionData {
 impl SessionData {
     pub(crate) fn from_hashmap(
         mut attrs: HashMap<String, QuotedOrUnquoted>,
-    ) -> Result<SessionData, String> {
+    ) -> Result<Self, String> {
         let data_id = quoted_string!(attrs, "DATA-ID")
             .ok_or_else(|| String::from("EXT-X-SESSION-DATA field without DATA-ID attribute"))?;
 
@@ -665,23 +672,23 @@ impl SessionData {
             (Some(value), None) => SessionDataField::Value(value),
             (None, Some(uri)) => SessionDataField::Uri(uri),
             (Some(_), Some(_)) => {
-                return Err(format![
+                return Err(format!(
                     "EXT-X-SESSION-DATA tag {} contains both a value and an URI",
                     data_id
-                ])
+                ))
             }
             (None, None) => {
-                return Err(format![
+                return Err(format!(
                     "EXT-X-SESSION-DATA tag {} must contain either a value or an URI",
                     data_id
-                ])
+                ))
             }
         };
 
         let language = quoted_string!(attrs, "LANGUAGE");
         let other_attributes = if attrs.is_empty() { None } else { Some(attrs) };
 
-        Ok(SessionData {
+        Ok(Self {
             data_id,
             field,
             language,
@@ -713,7 +720,7 @@ impl SessionData {
 pub struct MediaPlaylist {
     pub version: Option<usize>,
     /// `#EXT-X-TARGETDURATION:<s>`
-    pub target_duration: f32,
+    pub target_duration: u64,
     /// `#EXT-X-MEDIA-SEQUENCE:<number>`
     pub media_sequence: u64,
     pub segments: Vec<MediaSegment>,
@@ -786,11 +793,11 @@ pub enum MediaPlaylistType {
 impl FromStr for MediaPlaylistType {
     type Err = String;
 
-    fn from_str(s: &str) -> Result<MediaPlaylistType, String> {
+    fn from_str(s: &str) -> Result<Self, String> {
         match s {
-            "EVENT" => Ok(MediaPlaylistType::Event),
-            "VOD" => Ok(MediaPlaylistType::Vod),
-            _ => Ok(MediaPlaylistType::Other(String::from(s))),
+            "EVENT" => Ok(Self::Event),
+            "VOD" => Ok(Self::Vod),
+            _ => Ok(Self::Other(String::from(s))),
         }
     }
 }
@@ -801,17 +808,17 @@ impl Display for MediaPlaylistType {
             f,
             "{}",
             match self {
-                MediaPlaylistType::Event => "EVENT",
-                MediaPlaylistType::Vod => "VOD",
-                MediaPlaylistType::Other(s) => s,
+                Self::Event => "EVENT",
+                Self::Vod => "VOD",
+                Self::Other(s) => s,
             }
         )
     }
 }
 
 impl Default for MediaPlaylistType {
-    fn default() -> MediaPlaylistType {
-        MediaPlaylistType::Event
+    fn default() -> Self {
+        Self::Event
     }
 }
 
@@ -845,8 +852,8 @@ pub struct MediaSegment {
 }
 
 impl MediaSegment {
-    pub fn empty() -> MediaSegment {
-        Default::default()
+    pub fn empty() -> Self {
+        Self::default()
     }
 
     pub(crate) fn write_to<T: Write>(&self, w: &mut T) -> std::io::Result<()> {
@@ -884,7 +891,14 @@ impl MediaSegment {
             writeln!(w, "{}", unknown_tag)?;
         }
 
-        write!(w, "#EXTINF:{},", self.duration)?;
+        match WRITE_OPT_FLOAT_PRECISION.load(Ordering::Relaxed) {
+            MAX => {
+                write!(w, "#EXTINF:{},", self.duration)?;
+            }
+            n => {
+                write!(w, "#EXTINF:{:.*},", n, self.duration)?;
+            }
+        };
 
         if let Some(ref v) = self.title {
             writeln!(w, "{}", v)?;
@@ -906,19 +920,19 @@ pub enum KeyMethod {
 
 impl Default for KeyMethod {
     fn default() -> Self {
-        KeyMethod::None
+        Self::None
     }
 }
 
 impl FromStr for KeyMethod {
     type Err = String;
 
-    fn from_str(s: &str) -> Result<KeyMethod, String> {
+    fn from_str(s: &str) -> Result<Self, String> {
         match s {
-            "NONE" => Ok(KeyMethod::None),
-            "AES-128" => Ok(KeyMethod::AES128),
-            "SAMPLE-AES" => Ok(KeyMethod::SampleAES),
-            _ => Ok(KeyMethod::Other(String::from(s))),
+            "NONE" => Ok(Self::None),
+            "AES-128" => Ok(Self::AES128),
+            "SAMPLE-AES" => Ok(Self::SampleAES),
+            _ => Ok(Self::Other(String::from(s))),
         }
     }
 }
@@ -929,10 +943,10 @@ impl Display for KeyMethod {
             f,
             "{}",
             match self {
-                KeyMethod::None => "NONE",
-                KeyMethod::AES128 => "AES-128",
-                KeyMethod::SampleAES => "SAMPLE-AES",
-                KeyMethod::Other(s) => s,
+                Self::None => "NONE",
+                Self::AES128 => "AES-128",
+                Self::SampleAES => "SAMPLE-AES",
+                Self::Other(s) => s,
             }
         )
     }
@@ -958,7 +972,7 @@ pub struct Key {
 impl Key {
     pub(crate) fn from_hashmap(
         mut attrs: HashMap<String, QuotedOrUnquoted>,
-    ) -> Result<Key, String> {
+    ) -> Result<Self, String> {
         let method: KeyMethod = unquoted_string_parse!(attrs, "METHOD")
             .ok_or_else(|| String::from("EXT-X-KEY without mandatory METHOD attribute"))?;
 
@@ -970,7 +984,7 @@ impl Key {
         let keyformat = quoted_string!(attrs, "KEYFORMAT");
         let keyformatversions = quoted_string!(attrs, "KEYFORMATVERSIONS");
 
-        Ok(Key {
+        Ok(Self {
             method,
             uri,
             iv,
@@ -1055,7 +1069,7 @@ pub struct DateRange {
 }
 
 impl DateRange {
-    pub fn from_hashmap(mut attrs: HashMap<String, QuotedOrUnquoted>) -> Result<DateRange, String> {
+    pub fn from_hashmap(mut attrs: HashMap<String, QuotedOrUnquoted>) -> Result<Self, String> {
         let id = quoted_string!(attrs, "ID")
             .ok_or_else(|| String::from("EXT-X-DATERANGE without mandatory ID attribute"))?;
         let class = quoted_string!(attrs, "CLASS");
@@ -1075,7 +1089,7 @@ impl DateRange {
         let end_on_next = is_yes!(attrs, "END-ON-NEXT");
         let mut x_prefixed = HashMap::new();
         let mut other_attributes = HashMap::new();
-        for (k, v) in attrs.into_iter() {
+        for (k, v) in attrs {
             if k.starts_with("X-") {
                 x_prefixed.insert(k, v);
             } else {
@@ -1083,7 +1097,7 @@ impl DateRange {
             }
         }
 
-        Ok(DateRange {
+        Ok(Self {
             id,
             class,
             start_date,
@@ -1111,7 +1125,7 @@ impl DateRange {
         write_some_attribute_quoted!(
             w,
             ",END-DATE",
-            &self.end_date.as_ref().map(|dt| dt.to_rfc3339())
+            &self.end_date.as_ref().map(DateTime::to_rfc3339)
         )?;
         write_some_attribute!(w, ",DURATION", &self.duration)?;
         write_some_attribute!(w, ",PLANNED-DURATION", &self.planned_duration)?;
@@ -1151,12 +1165,12 @@ pub struct Start {
 impl Start {
     pub(crate) fn from_hashmap(
         mut attrs: HashMap<String, QuotedOrUnquoted>,
-    ) -> Result<Start, String> {
+    ) -> Result<Self, String> {
         let time_offset = unquoted_string_parse!(attrs, "TIME-OFFSET", |s: &str| s
             .parse::<f64>()
             .map_err(|err| format!("Failed to parse TIME-OFFSET attribute: {}", err)))
         .ok_or_else(|| String::from("EXT-X-START without mandatory TIME-OFFSET attribute"))?;
-        Ok(Start {
+        Ok(Self {
             time_offset,
             precise: is_yes!(attrs, "PRECISE").into(),
             other_attributes: attrs,

tests/lib.rs

@@ -8,6 +8,7 @@ use std::collections::HashMap;
 use std::fs::File;
 use std::io::Read;
 use std::path;
+use std::sync::atomic::Ordering;
 use std::{fs, io};
 
 fn all_sample_m3u_playlists() -> Vec<path::PathBuf> {
@@ -198,6 +199,36 @@ fn create_and_parse_master_playlist_empty() {
     assert_eq!(playlist_original, playlist_parsed);
 }
 
+#[test]
+fn create_segment_float_inf() {
+    let playlist = Playlist::MediaPlaylist(MediaPlaylist {
+        version: Some(6),
+        target_duration: 3,
+        media_sequence: 338559,
+        discontinuity_sequence: 1234,
+        end_list: true,
+        playlist_type: Some(MediaPlaylistType::Vod),
+        segments: vec![MediaSegment {
+            uri: "20140311T113819-01-338559live.ts".into(),
+            duration: 2.000f32,
+            title: Some("title".into()),
+            ..Default::default()
+        }],
+        ..Default::default()
+    });
+
+    let mut v: Vec<u8> = Vec::new();
+    playlist.write_to(&mut v).unwrap();
+    let m3u8_str: &str = std::str::from_utf8(&v).unwrap();
+    assert!(m3u8_str.contains("#EXTINF:2,title"));
+
+    WRITE_OPT_FLOAT_PRECISION.store(5, Ordering::Relaxed);
+
+    playlist.write_to(&mut v).unwrap();
+    let m3u8_str: &str = std::str::from_utf8(&v).unwrap();
+    assert!(m3u8_str.contains("#EXTINF:2.00000,title"));
+}
+
 #[test]
 fn create_and_parse_master_playlist_full() {
     let mut playlist_original = Playlist::MasterPlaylist(MasterPlaylist {
@@ -304,7 +335,7 @@ fn create_and_parse_media_playlist_empty() {
 #[test]
 fn create_and_parse_media_playlist_single_segment() {
     let mut playlist_original = Playlist::MediaPlaylist(MediaPlaylist {
-        target_duration: 2.0,
+        target_duration: 2,
         segments: vec![MediaSegment {
             uri: "20140311T113819-01-338559live.ts".into(),
             duration: 2.002,
@@ -321,7 +352,7 @@ fn create_and_parse_media_playlist_single_segment() {
 fn create_and_parse_media_playlist_full() {
     let mut playlist_original = Playlist::MediaPlaylist(MediaPlaylist {
         version: Some(4),
-        target_duration: 3.0,
+        target_duration: 3,
         media_sequence: 338559,
         discontinuity_sequence: 1234,
         end_list: true,
@@ -358,16 +389,18 @@ fn create_and_parse_media_playlist_full() {
                 other_attributes: Default::default(),
             }),
             program_date_time: Some(
-                chrono::FixedOffset::east(8 * 3600)
-                    .ymd(2010, 2, 19)
-                    .and_hms_milli(14, 54, 23, 31),
+                chrono::FixedOffset::east_opt(8 * 3600)
+                    .unwrap()
+                    .with_ymd_and_hms(2010, 2, 19, 14, 54, 23)
+                    .unwrap(),
             ),
             daterange: Some(DateRange {
                 id: "9999".into(),
                 class: Some("class".into()),
-                start_date: chrono::FixedOffset::east(8 * 3600)
-                    .ymd(2010, 2, 19)
-                    .and_hms_milli(14, 54, 23, 31),
+                start_date: chrono::FixedOffset::east_opt(8 * 3600)
+                    .unwrap()
+                    .with_ymd_and_hms(2010, 2, 19, 14, 54, 23)
+                    .unwrap(),
                 end_date: None,
                 duration: None,
                 planned_duration: Some("40.000".parse().unwrap()),
@@ -382,6 +415,7 @@ fn create_and_parse_media_playlist_full() {
                 tag: "X-CUE-OUT".into(),
                 rest: Some("DURATION=2.002".into()),
             }],
+            ..Default::default()
         }],
         unknown_tags: vec![],
     });