m3u8 parsing and segment fetch queue

This commit is contained in:
Muaz Ahmad 2023-08-22 18:20:09 +05:00
parent 1688b36e39
commit 4be364ce2e

View file

@ -7,16 +7,40 @@ class PlaylistLoader {
this.refresh_interval = null;
this.new_segments = [];
}
fetch_playlist() {
var xmlHttp = new XMLHttpRequest();
xmlHttp.onreadystatechange = function() {
xmlHttp.onreadystatechange = ( function() {
if (xmlHttp.readyState == 4 && xmlHttp.status == 200) {
console.log(xmlHttp.responseText);
}
this.parse_playlist(xmlHttp.responseText);
}
} ).bind(this)
xmlHttp.open("GET", this.playlist_src, true);
xmlHttp.send(null);
}
parse_playlist(playlist_content) {
var lines = playlist_content.split('\n');
var segments = [];
var segment_block_flag = this.last_segment === null ? false : true;
for (var i = 0; i < lines.length; i++) {
if (lines[i].startsWith("#")) {
if (lines[i].startsWith("EXT-X-TARGETDURATION", 1)) {
this.refresh_interval = parseFloat(lines[i].split(':')[1]);
}
} else {
if (segment_block_flag || lines[i] == '') {
if (lines[i] == this.last_segment) {
segment_block_flag = false;
}
} else {
segments.push(lines[i]);
}
}
}
this.new_segments = segments;
this.last_segment = segments.at(-1);
}
}
var test = new PlaylistLoader();