Avoid retrying fatal errors

Also clear fatal errors on seek operations

PiperOrigin-RevId: 269780886

RELEASENOTES.md

@@ -2,6 +2,7 @@
 
 ### dev-v2 (not yet released) ###
 
+* Fix bug causing the retry of loading tasks that resulted in fatal errors.
 * DASH: Support negative @r values in segment timelines
   ([#1787](https://github.com/google/ExoPlayer/issues/1787)).
 * Add `allowedCapturePolicy` field to `AudioAttributes` wrapper to allow to

library/core/src/main/java/com/google/android/exoplayer2/source/ProgressiveMediaPeriod.java

@@ -337,7 +337,10 @@ import org.checkerframework.checker.nullness.compatqual.NullableType;
 
   @Override
   public boolean continueLoading(long playbackPositionUs) {
-    if (loadingFinished || pendingDeferredRetry || (prepared && enabledTrackCount == 0)) {
+    if (loadingFinished
+        || loader.hasFatalError()
+        || pendingDeferredRetry
+        || (prepared && enabledTrackCount == 0)) {
       return false;
     }
     boolean continuedLoading = loadCondition.open();
@@ -422,6 +425,7 @@ import org.checkerframework.checker.nullness.compatqual.NullableType;
     if (loader.isLoading()) {
       loader.cancelLoading();
     } else {
+      loader.clearFatalError();
       for (SampleQueue sampleQueue : sampleQueues) {
         sampleQueue.reset();
       }

library/core/src/main/java/com/google/android/exoplayer2/source/SingleSampleMediaPeriod.java

@@ -147,7 +147,7 @@ import org.checkerframework.checker.nullness.qual.MonotonicNonNull;
 
   @Override
   public boolean continueLoading(long positionUs) {
-    if (loadingFinished || loader.isLoading()) {
+    if (loadingFinished || loader.isLoading() || loader.hasFatalError()) {
       return false;
     }
     DataSource dataSource = dataSourceFactory.createDataSource();

library/core/src/main/java/com/google/android/exoplayer2/source/chunk/ChunkSampleStream.java

@@ -306,6 +306,7 @@ public class ChunkSampleStream<T extends ChunkSource> implements SampleStream, S
       if (loader.isLoading()) {
         loader.cancelLoading();
       } else {
+        loader.clearFatalError();
         primarySampleQueue.reset();
         for (SampleQueue embeddedSampleQueue : embeddedSampleQueues) {
           embeddedSampleQueue.reset();
@@ -520,7 +521,7 @@ public class ChunkSampleStream<T extends ChunkSource> implements SampleStream, S
 
   @Override
   public boolean continueLoading(long positionUs) {
-    if (loadingFinished || loader.isLoading()) {
+    if (loadingFinished || loader.isLoading() || loader.hasFatalError()) {
       return false;
     }
 
@@ -587,7 +588,7 @@ public class ChunkSampleStream<T extends ChunkSource> implements SampleStream, S
 
   @Override
   public void reevaluateBuffer(long positionUs) {
-    if (loader.isLoading() || isPendingReset()) {
+    if (loader.isLoading() || loader.hasFatalError() || isPendingReset()) {
       return;
     }
 

library/core/src/main/java/com/google/android/exoplayer2/upstream/Loader.java

@@ -213,6 +213,19 @@ public final class Loader implements LoaderErrorThrower {
         retryDelayMillis);
   }
 
+  /**
+   * Whether the last call to {@link #startLoading} resulted in a fatal error. Calling {@link
+   * #maybeThrowError()} will throw the fatal error.
+   */
+  public boolean hasFatalError() {
+    return fatalError != null;
+  }
+
+  /** Clears any stored fatal error. */
+  public void clearFatalError() {
+    fatalError = null;
+  }
+
   /**
    * Starts loading a {@link Loadable}.
    *

library/dash/src/main/java/com/google/android/exoplayer2/source/dash/DashMediaSource.java

@@ -1057,6 +1057,9 @@ public final class DashMediaSource extends BaseMediaSource {
 
   private void startLoadingManifest() {
     handler.removeCallbacks(refreshManifestRunnable);
+    if (loader.hasFatalError()) {
+      return;
+    }
     if (loader.isLoading()) {
       manifestLoadPending = true;
       return;

library/hls/src/main/java/com/google/android/exoplayer2/source/hls/HlsSampleStreamWrapper.java

@@ -443,6 +443,7 @@ import java.util.Set;
     if (loader.isLoading()) {
       loader.cancelLoading();
     } else {
+      loader.clearFatalError();
       resetSampleQueues();
     }
     return true;
@@ -595,7 +596,7 @@ import java.util.Set;
 
   @Override
   public boolean continueLoading(long positionUs) {
-    if (loadingFinished || loader.isLoading()) {
+    if (loadingFinished || loader.isLoading() || loader.hasFatalError()) {
       return false;
     }
 

library/hls/src/main/java/com/google/android/exoplayer2/source/hls/playlist/DefaultHlsPlaylistTracker.java

@@ -491,8 +491,8 @@ public final class DefaultHlsPlaylistTracker
 
     public void loadPlaylist() {
       blacklistUntilMs = 0;
-      if (loadPending || mediaPlaylistLoader.isLoading()) {
+      if (loadPending || mediaPlaylistLoader.isLoading() || mediaPlaylistLoader.hasFatalError()) {
-        // Load already pending or in progress. Do nothing.
+        // Load already pending, in progress, or a fatal error has been encountered. Do nothing.
         return;
       }
       long currentTimeMs = SystemClock.elapsedRealtime();

library/smoothstreaming/src/main/java/com/google/android/exoplayer2/source/smoothstreaming/SsMediaSource.java

@@ -746,6 +746,9 @@ public final class SsMediaSource extends BaseMediaSource
   }
 
   private void startLoadingManifest() {
+    if (manifestLoader.hasFatalError()) {
+      return;
+    }
     ParsingLoadable<SsManifest> loadable = new ParsingLoadable<>(manifestDataSource,
         manifestUri, C.DATA_TYPE_MANIFEST, manifestParser);
     long elapsedRealtimeMs =