Use SKIPPED ad status when a playing ad period has been removed

PiperOrigin-RevId: 521476767

libraries/exoplayer_ima/src/main/java/androidx/media3/exoplayer/ima/ImaServerSideAdInsertionMediaSource.java

@@ -1435,7 +1435,7 @@ public final class ImaServerSideAdInsertionMediaSource extends CompositeMediaSou
       Timeline timeline = player.getCurrentTimeline();
       Timeline.Window window = new Timeline.Window();
       Timeline.Period adPeriod = new Timeline.Period();
-      // In case all periods are in the live window, we need the correct ad group duration when
+      // In case all periods are in the live window, we need to correct the ad group duration when
       // inserting the first ad. Try calculate ad group duration from media structure.
       long totalAdDurationUs =
           getAdGroupDurationUsForLiveAdPeriodIndex(

libraries/exoplayer_ima/src/main/java/androidx/media3/exoplayer/ima/ImaUtil.java

@@ -737,7 +737,7 @@ import java.util.Set;
           return adPlaybackState;
         }
         if (state == AD_STATE_AVAILABLE || state == AD_STATE_UNAVAILABLE) {
-          adPlaybackState = adPlaybackState.withPlayedAd(adGroupIndex, /* adIndexInAdGroup= */ i);
+          adPlaybackState = adPlaybackState.withSkippedAd(adGroupIndex, /* adIndexInAdGroup= */ i);
         }
         adGroupDurationUs += adGroup.durationsUs[i];
       }
@@ -751,7 +751,11 @@ import java.util.Set;
     long[] newDurationsUs = new long[adGroup.durationsUs.length];
     for (int adIndex = 0; adIndex < newDurationsUs.length; adIndex++) {
       newDurationsUs[adIndex] = preserveDurations ? adGroup.durationsUs[adIndex] : 0;
-      adPlaybackState = adPlaybackState.withPlayedAd(adGroupIndex, /* adIndexInAdGroup= */ adIndex);
+      if (adGroup.states[adIndex] == AD_STATE_AVAILABLE
+          || adGroup.states[adIndex] == AD_STATE_UNAVAILABLE) {
+        adPlaybackState =
+            adPlaybackState.withSkippedAd(adGroupIndex, /* adIndexInAdGroup= */ adIndex);
+      }
     }
     return adPlaybackState
         .withAdDurationsUs(adGroupIndex, newDurationsUs)

libraries/exoplayer_ima/src/test/java/androidx/media3/exoplayer/ima/ImaUtilTest.java

@@ -1663,7 +1663,6 @@ public class ImaUtilTest {
             /* totalAdDurationUs= */ 3 * AD_PERIOD_DURATION_US,
             /* totalAdsInAdPod= */ 3,
             adPlaybackState);
-    AdPlaybackState finalAdPlaybackState = adPlaybackState;
 
     assertThat(
             getAdGroupAndIndexInLiveMultiPeriodTimeline(
@@ -2040,7 +2039,7 @@ public class ImaUtilTest {
         .asList()
         .containsExactly(
             AD_STATE_PLAYED,
-            AD_STATE_PLAYED,
+            AD_STATE_SKIPPED,
             AD_STATE_UNAVAILABLE,
             AD_STATE_UNAVAILABLE,
             AD_STATE_UNAVAILABLE,
@@ -2059,11 +2058,11 @@ public class ImaUtilTest {
         .asList()
         .containsExactly(
             AD_STATE_PLAYED,
-            AD_STATE_PLAYED,
-            AD_STATE_PLAYED,
-            AD_STATE_PLAYED,
-            AD_STATE_PLAYED,
-            AD_STATE_PLAYED)
+            AD_STATE_SKIPPED,
+            AD_STATE_SKIPPED,
+            AD_STATE_SKIPPED,
+            AD_STATE_SKIPPED,
+            AD_STATE_SKIPPED)
         .inOrder();
     assertThat(adPlaybackState5.getAdGroup(/* adGroupIndex= */ 0).durationsUs)
         .asList()
@@ -2085,11 +2084,11 @@ public class ImaUtilTest {
         .asList()
         .containsExactly(
             AD_STATE_PLAYED,
-            AD_STATE_PLAYED,
-            AD_STATE_PLAYED,
-            AD_STATE_PLAYED,
-            AD_STATE_PLAYED,
-            AD_STATE_PLAYED)
+            AD_STATE_SKIPPED,
+            AD_STATE_SKIPPED,
+            AD_STATE_SKIPPED,
+            AD_STATE_SKIPPED,
+            AD_STATE_SKIPPED)
         .inOrder();
     assertThat(adPlaybackState6.getAdGroup(/* adGroupIndex= */ 0).durationsUs)
         .asList()