From 658386bf936341230c3c3015293b5f89801d0d54 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=C3=81lvaro=20Velad=20Galv=C3=A1n?= <ladvan91@hotmail.com>
Date: Thu, 25 Jan 2024 18:41:23 +0100
Subject: [PATCH] fix(HLS): Set the bandwidth correctly for audio/video-only
 variants (#6165)

---
 lib/hls/hls_parser.js | 20 ++++++++++++++------
 1 file changed, 14 insertions(+), 6 deletions(-)

diff --git a/lib/hls/hls_parser.js b/lib/hls/hls_parser.js
index 1e67365257..21d332d03d 100644
--- a/lib/hls/hls_parser.js
+++ b/lib/hls/hls_parser.js
@@ -450,8 +450,9 @@ shaka.hls.HlsParser = class {
     const {segments, bandwidth} = this.createSegments_(
         playlist, stream, mediaSequenceToStartTime, mediaVariables,
         streamInfo.getUris);
-
-    stream.bandwidth = bandwidth;
+    if (bandwidth) {
+      stream.bandwidth = bandwidth;
+    }
 
     stream.segmentIndex.mergeAndEvict(
         segments, this.presentationTimeline_.getSegmentAvailabilityStart());
@@ -1386,7 +1387,7 @@ shaka.hls.HlsParser = class {
       videoLayout = videoLayout || 'CH-MONO';
 
       const streamInfos = this.createStreamInfosForVariantTags_(tags,
-          mediaTags, resolution, frameRate);
+          mediaTags, resolution, frameRate, bandwidth);
 
       goog.asserts.assert(streamInfos.audio.length ||
           streamInfos.video.length, 'We should have created a stream!');
@@ -1414,10 +1415,12 @@ shaka.hls.HlsParser = class {
    * @param {!Array.<!shaka.hls.Tag>} mediaTags
    * @param {?string} resolution
    * @param {?string} frameRate
+   * @param {number} bandwidth
    * @return {!shaka.hls.HlsParser.StreamInfos}
    * @private
    */
-  createStreamInfosForVariantTags_(tags, mediaTags, resolution, frameRate) {
+  createStreamInfosForVariantTags_(
+      tags, mediaTags, resolution, frameRate, bandwidth) {
     const ContentType = shaka.util.ManifestParserUtils.ContentType;
 
     /** @type {shaka.hls.HlsParser.StreamInfos} */
@@ -1552,6 +1555,9 @@ shaka.hls.HlsParser = class {
       if (globalGroupId) {
         streamInfo.stream.groupId = globalGroupId;
       }
+      if (!streamInfos.length) {
+        streamInfo.stream.bandwidth = bandwidth;
+      }
       res[streamInfo.stream.type] = [streamInfo];
     }
     return res;
@@ -2239,7 +2245,7 @@ shaka.hls.HlsParser = class {
       stream.drmInfos = realStream.drmInfos;
       stream.keyIds = realStream.keyIds;
       stream.mimeType = realStream.mimeType;
-      stream.bandwidth = realStream.bandwidth;
+      stream.bandwidth = stream.bandwidth || realStream.bandwidth;
       stream.codecs = stream.codecs || realStream.codecs;
 
       // Since we lazy-loaded this content, the player may need to create new
@@ -2518,7 +2524,9 @@ shaka.hls.HlsParser = class {
 
     const {segments, bandwidth} = this.createSegments_(
         playlist, stream, mediaSequenceToStartTime, mediaVariables, getUris);
-    stream.bandwidth = bandwidth;
+    if (bandwidth) {
+      stream.bandwidth = bandwidth;
+    }
 
     // This new calculation is necessary for Low Latency streams.
     if (this.isLive_()) {