feat: Add config to set live stream duration to Infinity (#6207)

Fixes: #6205
shaka-project · Feb 20, 2024 · de2957e · de2957e
1 parent 4a0d1ca
commit de2957e
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Showing 4 changed files with 15 additions and 5 deletions.
diff --git a/demo/config.js b/demo/config.js
@@ -493,9 +493,9 @@ shakaDemo.Config = class {
             /* canBeDecimal= */ true)
         .addNumberInput_('VOD Dynamic Playback Rate Buffer Ratio',
             'streaming.vodDynamicPlaybackRateBufferRatio',
-            /* canBeDecimal= */ true);
-
-
+            /* canBeDecimal= */ true)
+        .addBoolInput_('Infinite Live Stream Duration',
+            'streaming.infiniteLiveStreamDuration');
     if (!shakaDemoMain.getNativeControlsEnabled()) {
       this.addBoolInput_('Always Stream Text', 'streaming.alwaysStreamText');
     } else {

diff --git a/externs/shaka/player.js b/externs/shaka/player.js
@@ -1175,7 +1175,8 @@ shaka.extern.ManifestConfiguration;
  *   minTimeBetweenRecoveries: number,
  *   vodDynamicPlaybackRate: boolean,
  *   vodDynamicPlaybackRateLowBufferRate: number,
- *   vodDynamicPlaybackRateBufferRatio: number
+ *   vodDynamicPlaybackRateBufferRatio: number,
+ *   infiniteLiveStreamDuration: boolean
  * }}
  *
  * @description
@@ -1357,6 +1358,10 @@ shaka.extern.ManifestConfiguration;
  *   setting the playback rate to
  *   <code>vodDynamicPlaybackRateLowBufferRate</code>.
  *   Defaults to <code>0.5</code>.
+ * @property {boolean} infiniteLiveStreamDuration
+ *   If <code>true</code>, the media source live duration
+ *   set as a<code>Infinity</code>
+ *   Defaults to <code> false </code>.
  * @exportDoc
  */
 shaka.extern.StreamingConfiguration;

diff --git a/lib/media/streaming_engine.js b/lib/media/streaming_engine.js
@@ -1087,9 +1087,13 @@ shaka.media.StreamingEngine = class {
     if (duration < Infinity) {
       this.playerInterface_.mediaSourceEngine.setDuration(duration);
     } else {
+      // To set the media source live duration as Infinity
+      // If infiniteLiveStreamDuration as true
+      const duration =
+      this.config_.infiniteLiveStreamDuration ? Infinity : Math.pow(2, 32);
       // Not all platforms support infinite durations, so set a finite duration
       // so we can append segments and so the user agent can seek.
-      this.playerInterface_.mediaSourceEngine.setDuration(Math.pow(2, 32));
+      this.playerInterface_.mediaSourceEngine.setDuration(duration);
     }
   }
 

diff --git a/lib/util/player_configuration.js b/lib/util/player_configuration.js
@@ -239,6 +239,7 @@ shaka.util.PlayerConfiguration = class {
       vodDynamicPlaybackRate: false,
       vodDynamicPlaybackRateLowBufferRate: 0.95,
       vodDynamicPlaybackRateBufferRatio: 0.5,
+      infiniteLiveStreamDuration: false,
     };
 
     // WebOS, Tizen, Chromecast and Hisense have long hardware pipelines