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Merge pull request #18 from thaytan/17-fix-master-playlists

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Handle blank lines when checking for master playlist tags.
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rutgersc 2021-04-16 19:05:22 +02:00 committed by GitHub
commit cd9402051e
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2 changed files with 13 additions and 2 deletions
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10
sample-playlists/master-playlist-with-blankline.m3u8 Normal file
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@ -0,0 +1,10 @@
#EXTM3U
#EXT-X-STREAM-INF:BANDWIDTH=1280000,AVERAGE-BANDWIDTH=1000000
http://example.com/low.m3u8
#EXT-X-STREAM-INF:BANDWIDTH=2560000,AVERAGE-BANDWIDTH=2000000
http://example.com/mid.m3u8
#EXT-X-STREAM-INF:BANDWIDTH=7680000,AVERAGE-BANDWIDTH=6000000
http://example.com/hi.m3u8
#EXT-X-STREAM-INF:BANDWIDTH=65000,CODECS="mp4a.40.5"
http://example.com/audio-only.m3u8

5
src/lib.rs
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@ -85,7 +85,7 @@ pub mod playlist;
use nom::character::complete::{digit1, multispace0, space0 };
use nom::{IResult};
use nom::{ delimited,none_of,peek,is_not,complete,terminated,tag,
use nom::{ delimited,none_of,peek,is_a,is_not,complete,terminated,tag,
alt,do_parse,opt,named,map,map_res,eof,many0,take,take_until,char};
use nom::combinator::map;
use nom::character::complete::{line_ending};
@ -222,7 +222,8 @@ pub fn contains_master_tag(input: &[u8]) -> Option<(bool, String)> {
named!(pub is_master_playlist_tag_line(&[u8]) -> Option<(bool, String)>,
do_parse!(
tag: opt!(alt!(
opt!(is_a!("\r\n"))
>> tag: opt!(alt!(
map!(tag!("#EXT-X-STREAM-INF"), |t| (true, t))
| map!(tag!("#EXT-X-I-FRAME-STREAM-INF"), |t| (true, t))
| map!(terminated!(tag!("#EXT-X-MEDIA"), is_not!("-")), |t| (true, t)) // terminated!() to prevent matching with #EXT-X-MEDIA-SEQUENCE for which we have a separate pattern below