parse a remote playlist?

[ralyodio]

I'd like to parse a remote playlist for a stream that matches a specific bandwidth and/or resolution

Given http://remote-cdn/index.m3u8

#EXT-X-STREAM-INF:PROGRAM-ID=1,BANDWIDTH=1896000,AUDIO="master_broadcast"
http://remote-cdn/1896k.m3u8

I'd like to be able to search by BANDWIDTH or RESOLUTION

[ralyodio]

Here's an example stream:

http://nasatv-lh.akamaihd.net/i/NASA_101@319270/master.m3u8

#EXTM3U
#EXT-X-STREAM-INF:PROGRAM-ID=1,BANDWIDTH=563000,RESOLUTION=1280x720,CODECS="avc1.77.30, mp4a.40.2"
http://nasatv-lh.akamaihd.net/i/NASA_101@319270/index_400_av-p.m3u8?sd=10&rebase=on
#EXT-X-STREAM-INF:PROGRAM-ID=1,BANDWIDTH=432000,RESOLUTION=428x240,CODECS="avc1.640029, mp4a.40.2"
http://nasatv-lh.akamaihd.net/i/NASA_101@319270/index_400_av-b.m3u8?sd=10&rebase=on
#EXT-X-STREAM-INF:PROGRAM-ID=1,BANDWIDTH=827000,RESOLUTION=1280x720,CODECS="avc1.77.30, mp4a.40.2"
http://nasatv-lh.akamaihd.net/i/NASA_101@319270/index_700_av-p.m3u8?sd=10&rebase=on
#EXT-X-STREAM-INF:PROGRAM-ID=1,BANDWIDTH=732000,RESOLUTION=428x240,CODECS="avc1.640029, mp4a.40.2"
http://nasatv-lh.akamaihd.net/i/NASA_101@319270/index_700_av-b.m3u8?sd=10&rebase=on
#EXT-X-STREAM-INF:PROGRAM-ID=1,BANDWIDTH=2128000,RESOLUTION=1280x720,CODECS="avc1.77.30, mp4a.40.2"
http://nasatv-lh.akamaihd.net/i/NASA_101@319270/index_1000_av-p.m3u8?sd=10&rebase=on
#EXT-X-STREAM-INF:PROGRAM-ID=1,BANDWIDTH=2064000,RESOLUTION=1280x720,CODECS="avc1.640029, mp4a.40.2"
http://nasatv-lh.akamaihd.net/i/NASA_101@319270/index_1000_av-b.m3u8?sd=10&rebase=on

I've noticed some streams have both bandwidth and resolution, others have one or the either, and sometimes neither.

For when its defined, I would like to be able to pass in 'best' or resolution,bandwidth similar to how livestreamer does it.

[ralyodio]

I've decided to just save the playlist locally and parse it from the file system.

[alecananian]

If anybody needs to do this and doesn't have the option of saving the playlist locally first, I found that you can parse the remote file using the Needle HTTP client (or another client that supports piping to a stream):

const m3u8 = require('m3u8');
const needle = require('needle');

const parser = m3u8.createStream();

parser.on('item', function(item) {
    // emits PlaylistItem, MediaItem, StreamItem, and IframeStreamItem
});

parser.on('m3u', function(m3u) {
    // fully parsed m3u file
});

needle.get('http://url.m3u8').pipe(parser);