feat: expose custom M3U8 parser APIs

src/playlist-loader.js

@@ -203,6 +203,10 @@ export default class PlaylistLoader extends EventTarget {
     this.hls_ = hls;
     this.withCredentials = withCredentials;
 
+    const options = hls.options_;
+
+    this.parsers = (options && options.parsers) || [];
+
     if (!this.srcUrl) {
       throw new Error('A non-empty playlist URL is required');
     }
@@ -266,6 +270,9 @@ export default class PlaylistLoader extends EventTarget {
 
     const parser = new M3u8Parser();
 
+    // adding custom tag parsers
+    this.parsers.forEach(customParser => parser.addParser(customParser));
+
     parser.push(xhr.responseText);
     parser.end();
     parser.manifest.uri = url;
@@ -505,6 +512,9 @@ export default class PlaylistLoader extends EventTarget {
 
       const parser = new M3u8Parser();
 
+      // adding custom tag parsers
+      this.parsers.forEach(customParser => parser.addParser(customParser));
+
       parser.push(req.responseText);
       parser.end();
 

test/playlist-loader.test.js

@@ -862,6 +862,32 @@ QUnit.test('logs warning for master playlist with invalid STREAM-INF', function(
     'logged a warning');
 });
 
+QUnit.test('executes custom parsers', function(assert) {
+  const parsers = [{
+    expression: /#PARSER/,
+    customType: 'test',
+    segment: true
+  }];
+
+  this.fakeHls.options_ = { parsers };
+
+  let loader = new PlaylistLoader('master.m3u8', this.fakeHls);
+
+  loader.load();
+  this.requests.pop().respond(200, null,
+                             '#EXTM3U\n' +
+                             '#PARSER:parsed\n' +
+                             '#EXTINF:10,\n' +
+                             '0.ts\n' +
+                             '#EXT-X-ENDLIST\n');
+
+  const segment = loader.master.playlists[0].segments[0];
+
+  assert.strictEqual(segment.custom.test, '#PARSER:parsed', 'parsed custom tag');
+
+  delete this.fakeHls.options_;
+});
+
 QUnit.test('jumps to HAVE_METADATA when initialized with a media playlist',
 function(assert) {
   let loadedmetadatas = 0;