feat: Add avoidEvictionOnQuotaExceededError config (#8031)

Related to #7349

Author: avelad

demo/config.js

@@ -601,7 +601,9 @@ shakaDemo.Config = class {
         .addBoolInput_('Don\'t choose codecs',
             'streaming.dontChooseCodecs')
         .addBoolInput_('Should fix timestampOffset',
-            'streaming.shouldFixTimestampOffset');
+            'streaming.shouldFixTimestampOffset')
+        .addBoolInput_('Avoid eviction on QuotaExceededError',
+            'streaming.avoidEvictionOnQuotaExceededError');
     this.addRetrySection_('streaming', 'Streaming Retry Parameters');
     this.addLiveSyncSection_();
   }

externs/shaka/player.js

@@ -1670,7 +1670,8 @@ shaka.extern.LiveSyncConfiguration;
  *   loadTimeout: number,
  *   clearDecodingCache: boolean,
  *   dontChooseCodecs: boolean,
- *   shouldFixTimestampOffset: boolean
+ *   shouldFixTimestampOffset: boolean,
+ *   avoidEvictionOnQuotaExceededError: boolean
  * }}
  *
  * @description
@@ -1922,6 +1923,10 @@ shaka.extern.LiveSyncConfiguration;
  *   <br>
  *   Defaults to <code>false</code> except on Tizen, WebOS whose default value
  *   is <code>true</code>.
+ * @property {boolean} avoidEvictionOnQuotaExceededError
+ *   Avoid evict content on QuotaExceededError.
+ *   <br>
+ *   Defaults to <code>false</code>.
  * @exportDoc
  */
 shaka.extern.StreamingConfiguration;

lib/media/streaming_engine.js

@@ -1978,6 +1978,14 @@ shaka.media.StreamingEngine = class {
       if (handled) {
         return;
       }
+      if (this.config_.avoidEvictionOnQuotaExceededError) {
+        // QuotaExceededError gets thrown if eviction didn't help to make room
+        // for a segment. We want to wait for a while (4 seconds is just an
+        // arbitrary number) before updating to give the playhead a chance to
+        // advance, so we don't immediately throw again.
+        this.scheduleUpdate_(mediaState, 4);
+        return;
+      }
       // Reduction schedule: 80%, 60%, 40%, 20%, 16%, 12%, 8%, 4%, fail.
       // Note: percentages are used for comparisons to avoid rounding errors.
       const percentBefore = Math.round(100 * this.bufferingScale_);

lib/util/player_configuration.js

@@ -277,6 +277,7 @@ shaka.util.PlayerConfiguration = class {
       dontChooseCodecs: false,
       shouldFixTimestampOffset: shaka.util.Platform.isWebOS() ||
         shaka.util.Platform.isTizen(),
+      avoidEvictionOnQuotaExceededError: false,
     };
 
     // WebOS, Tizen, Chromecast and Hisense have long hardware pipelines