fix(HLS): Skip EXT-X-PRELOAD-HINT without full byterange info (#5294)

Fixes #5089
shaka-project · Jun 20, 2023 · 9e193e2 · 9e193e2
1 parent ee61849
commit 9e193e2
Showing 1 changed file with 9 additions and 1 deletion.
diff --git a/lib/hls/manifest_text_parser.js b/lib/hls/manifest_text_parser.js
@@ -158,7 +158,15 @@ shaka.hls.ManifestTextParser = class {
             partialSegmentTags.push(tag);
           } else if (tag.name == 'EXT-X-PRELOAD-HINT') {
             if (tag.getAttributeValue('TYPE') == 'PART') {
-              partialSegmentTags.push(tag);
+              // Note: BYTERANGE-START without BYTERANGE-LENGTH is being
+              // ignored.
+              if (tag.getAttributeValue('BYTERANGE-START') != null) {
+                if (tag.getAttributeValue('BYTERANGE-LENGTH') != null) {
+                  partialSegmentTags.push(tag);
+                }
+              } else {
+                partialSegmentTags.push(tag);
+              }
             } else if (tag.getAttributeValue('TYPE') == 'MAP') {
               // Rename the Preload Hint tag to be a Map tag.
               tag.setName('EXT-X-MAP');