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use trackable::error::ErrorKindExt;
use {ErrorKind, Result};
macro_rules! may_invalid {
($expr:expr) => {
$expr.map_err(|e| track!(Error::from(ErrorKind::InvalidInput.cause(e))))
};
}
macro_rules! impl_from {
($to:ident, $from:ident) => {
impl From<$from> for $to {
fn from(f: $from) -> Self {
$to::$from(f)
}
}
};
}
pub use self::basic::{ExtM3u, ExtXVersion};
pub use self::master_playlist::{
ExtXIFrameStreamInf, ExtXMedia, ExtXSessionData, ExtXSessionKey, ExtXStreamInf,
};
pub use self::media_or_master_playlist::{ExtXIndependentSegments, ExtXStart};
pub use self::media_playlist::{
ExtXDiscontinuitySequence, ExtXEndList, ExtXIFramesOnly, ExtXMediaSequence, ExtXPlaylistType,
ExtXTargetDuration,
};
pub use self::media_segment::{
ExtInf, ExtXByteRange, ExtXDateRange, ExtXDiscontinuity, ExtXKey, ExtXMap, ExtXProgramDateTime,
};
mod basic;
mod master_playlist;
mod media_or_master_playlist;
mod media_playlist;
mod media_segment;
#[allow(missing_docs)]
#[cfg_attr(feature = "cargo-clippy", allow(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);
#[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);
#[allow(missing_docs)]
#[cfg_attr(feature = "cargo-clippy", allow(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);
fn parse_yes_or_no(s: &str) -> Result<bool> {
match s {
"YES" => Ok(true),
"NO" => Ok(false),
_ => track_panic!(ErrorKind::InvalidInput, "Unexpected value: {:?}", s),
}
}
fn parse_u64(s: &str) -> Result<u64> {
let n = track!(s.parse().map_err(|e| ErrorKind::InvalidInput.cause(e)))?;
Ok(n)
}