Treat -1000 duration as unknown duration for live streams in Cast

Issue: #7983
#minor-release
PiperOrigin-RevId: 339016928

extensions/cast/src/main/java/com/google/android/exoplayer2/ext/cast/CastUtils.java

@@ -27,6 +27,10 @@ import com.google.android.gms.cast.MediaTrack;
  */
  */
 /* package */ final class CastUtils {
 /* package */ final class CastUtils {
 
 
+  /** The duration returned by {@link MediaInfo#getStreamDuration()} for live streams. */
+  // TODO: Remove once [Internal ref: b/171657375] is fixed.
+  private static final long LIVE_STREAM_DURATION = -1000;
+
   /**
   /**
    * Returns the duration in microseconds advertised by a media info, or {@link C#TIME_UNSET} if
    * Returns the duration in microseconds advertised by a media info, or {@link C#TIME_UNSET} if
    * unknown or not applicable.
    * unknown or not applicable.
@@ -39,7 +43,9 @@ import com.google.android.gms.cast.MediaTrack;
       return C.TIME_UNSET;
       return C.TIME_UNSET;
     }
     }
     long durationMs = mediaInfo.getStreamDuration();
     long durationMs = mediaInfo.getStreamDuration();
-    return durationMs != MediaInfo.UNKNOWN_DURATION ? C.msToUs(durationMs) : C.TIME_UNSET;
+    return durationMs != MediaInfo.UNKNOWN_DURATION && durationMs != LIVE_STREAM_DURATION
+        ? C.msToUs(durationMs)
+        : C.TIME_UNSET;
   }
   }
 
 
   /**
   /**