m3u8 parsing and segment fetch queue
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1 changed files with 27 additions and 3 deletions
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@ -7,16 +7,40 @@ class PlaylistLoader {
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this.refresh_interval = null;
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this.new_segments = [];
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}
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fetch_playlist() {
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var xmlHttp = new XMLHttpRequest();
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xmlHttp.onreadystatechange = function() {
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xmlHttp.onreadystatechange = ( function() {
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if (xmlHttp.readyState == 4 && xmlHttp.status == 200) {
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console.log(xmlHttp.responseText);
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}
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this.parse_playlist(xmlHttp.responseText);
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}
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} ).bind(this)
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xmlHttp.open("GET", this.playlist_src, true);
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xmlHttp.send(null);
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}
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parse_playlist(playlist_content) {
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var lines = playlist_content.split('\n');
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var segments = [];
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var segment_block_flag = this.last_segment === null ? false : true;
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for (var i = 0; i < lines.length; i++) {
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if (lines[i].startsWith("#")) {
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if (lines[i].startsWith("EXT-X-TARGETDURATION", 1)) {
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this.refresh_interval = parseFloat(lines[i].split(':')[1]);
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}
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} else {
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if (segment_block_flag || lines[i] == '') {
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if (lines[i] == this.last_segment) {
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segment_block_flag = false;
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}
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} else {
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segments.push(lines[i]);
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}
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}
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}
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this.new_segments = segments;
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this.last_segment = segments.at(-1);
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}
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}
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var test = new PlaylistLoader();
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