Remove mentions of player in TransformationException

PiperOrigin-RevId: 497921432

library/transformer/src/main/java/com/google/android/exoplayer2/transformer/AssetLoader.java

@@ -171,7 +171,7 @@ public interface AssetLoader {
      * Called if an error occurs in the asset loader. In this case, the asset loader will be
      * {@linkplain #release() released} automatically.
      */
-    void onError(Exception e);
+    void onTransformationError(TransformationException exception);
   }
 
   /**

library/transformer/src/main/java/com/google/android/exoplayer2/transformer/ExoPlayerAssetLoader.java

@@ -20,11 +20,13 @@ import static com.google.android.exoplayer2.DefaultLoadControl.DEFAULT_BUFFER_FO
 import static com.google.android.exoplayer2.DefaultLoadControl.DEFAULT_BUFFER_FOR_PLAYBACK_MS;
 import static com.google.android.exoplayer2.DefaultLoadControl.DEFAULT_MAX_BUFFER_MS;
 import static com.google.android.exoplayer2.DefaultLoadControl.DEFAULT_MIN_BUFFER_MS;
-import static com.google.android.exoplayer2.PlaybackException.ERROR_CODE_FAILED_RUNTIME_CHECK;
+import static com.google.android.exoplayer2.transformer.TransformationException.ERROR_CODE_FAILED_RUNTIME_CHECK;
+import static com.google.android.exoplayer2.transformer.TransformationException.ERROR_CODE_UNSPECIFIED;
 import static com.google.android.exoplayer2.transformer.Transformer.PROGRESS_STATE_AVAILABLE;
 import static com.google.android.exoplayer2.transformer.Transformer.PROGRESS_STATE_NOT_STARTED;
 import static com.google.android.exoplayer2.transformer.Transformer.PROGRESS_STATE_UNAVAILABLE;
 import static com.google.android.exoplayer2.transformer.Transformer.PROGRESS_STATE_WAITING_FOR_AVAILABILITY;
+import static com.google.android.exoplayer2.util.Assertions.checkNotNull;
 import static com.google.android.exoplayer2.util.Assertions.checkStateNotNull;
 import static java.lang.Math.min;
 
@@ -349,10 +351,9 @@ public final class ExoPlayerAssetLoader implements AssetLoader {
         trackCount++;
       }
       if (trackCount == 0) {
-        assetLoaderListener.onError(
+        assetLoaderListener.onTransformationError(
-            new PlaybackException(
+            TransformationException.createForAssetLoader(
-                "The asset loader has no track to output.",
+                new IllegalStateException("The asset loader has no track to output."),
-                /* cause= */ null,
                 ERROR_CODE_FAILED_RUNTIME_CHECK));
         return;
       } else {
@@ -365,7 +366,13 @@ public final class ExoPlayerAssetLoader implements AssetLoader {
 
     @Override
     public void onPlayerError(PlaybackException error) {
-      assetLoaderListener.onError(error);
+      @TransformationException.ErrorCode
+      int errorCode =
+          checkNotNull(
+              TransformationException.NAME_TO_ERROR_CODE.getOrDefault(
+                  error.getErrorCodeName(), ERROR_CODE_UNSPECIFIED));
+      assetLoaderListener.onTransformationError(
+          TransformationException.createForAssetLoader(error, errorCode));
     }
   }
 }

library/transformer/src/main/java/com/google/android/exoplayer2/transformer/ExoPlayerAssetLoaderRenderer.java

@@ -119,7 +119,7 @@ import org.checkerframework.checker.nullness.qual.RequiresNonNull;
       }
     } catch (TransformationException e) {
       isTransformationRunning = false;
-      assetLoaderListener.onError(e);
+      assetLoaderListener.onTransformationError(e);
     }
   }
 

library/transformer/src/main/java/com/google/android/exoplayer2/transformer/TransformationException.java

@@ -23,7 +23,6 @@ import android.os.SystemClock;
 import androidx.annotation.IntDef;
 import androidx.annotation.Nullable;
 import com.google.android.exoplayer2.Format;
-import com.google.android.exoplayer2.PlaybackException;
 import com.google.android.exoplayer2.audio.AudioProcessor.AudioFormat;
 import com.google.android.exoplayer2.util.Clock;
 import com.google.android.exoplayer2.util.FrameProcessingException;
@@ -107,8 +106,8 @@ public final class TransformationException extends Exception {
   /**
    * Caused by a server returning a resource with an invalid "Content-Type" HTTP header value.
    *
-   * <p>For example, this can happen when the player is expecting a piece of media, but the server
+   * <p>For example, this can happen when the {@link AssetLoader} is expecting a piece of media, but
-   * returns a paywall HTML page, with content type "text/html".
+   * the server returns a paywall HTML page, with content type "text/html".
    */
   public static final int ERROR_CODE_IO_INVALID_HTTP_CONTENT_TYPE = 2003;
   /** Caused by an HTTP server returning an unexpected HTTP response status code. */
@@ -121,8 +120,8 @@ public final class TransformationException extends Exception {
    */
   public static final int ERROR_CODE_IO_NO_PERMISSION = 2006;
   /**
-   * Caused by the player trying to access cleartext HTTP traffic (meaning http:// rather than
+   * Caused by the {@link AssetLoader} trying to access cleartext HTTP traffic (meaning http://
-   * https://) when the app's Network Security Configuration does not permit it.
+   * rather than https://) when the app's Network Security Configuration does not permit it.
    */
   public static final int ERROR_CODE_IO_CLEARTEXT_NOT_PERMITTED = 2007;
   /** Caused by reading data out of the data bound. */
@@ -170,7 +169,7 @@ public final class TransformationException extends Exception {
   /** Caused by a failure while muxing media samples. */
   public static final int ERROR_CODE_MUXING_FAILED = 7001;
 
-  private static final ImmutableBiMap<String, @ErrorCode Integer> NAME_TO_ERROR_CODE =
+  /* package */ static final ImmutableBiMap<String, @ErrorCode Integer> NAME_TO_ERROR_CODE =
       new ImmutableBiMap.Builder<String, @ErrorCode Integer>()
           .put("ERROR_CODE_FAILED_RUNTIME_CHECK", ERROR_CODE_FAILED_RUNTIME_CHECK)
           .put("ERROR_CODE_IO_UNSPECIFIED", ERROR_CODE_IO_UNSPECIFIED)
@@ -195,11 +194,6 @@ public final class TransformationException extends Exception {
           .put("ERROR_CODE_MUXING_FAILED", ERROR_CODE_MUXING_FAILED)
           .buildOrThrow();
 
-  /** Returns the {@code errorCode} for a given name. */
-  private static @ErrorCode int getErrorCodeForName(String errorCodeName) {
-    return NAME_TO_ERROR_CODE.getOrDefault(errorCodeName, ERROR_CODE_UNSPECIFIED);
-  }
-
   /** Returns the name of a given {@code errorCode}. */
   public static String getErrorCodeName(@ErrorCode int errorCode) {
     return NAME_TO_ERROR_CODE.inverse().getOrDefault(errorCode, "invalid error code");
@@ -213,6 +207,17 @@ public final class TransformationException extends Exception {
     return getErrorCodeName(errorCode);
   }
 
+  /**
+   * Creates an instance for an {@link AssetLoader} related exception.
+   *
+   * @param cause The cause of the failure.
+   * @param errorCode See {@link #errorCode}.
+   * @return The created instance.
+   */
+  public static TransformationException createForAssetLoader(Throwable cause, int errorCode) {
+    return new TransformationException("Asset loader error", cause, errorCode);
+  }
+
   /**
    * Creates an instance for a decoder or encoder related exception.
    *
@@ -322,21 +327,6 @@ public final class TransformationException extends Exception {
     return new TransformationException("Unexpected error", cause, ERROR_CODE_UNSPECIFIED);
   }
 
-  /**
-   * Creates an instance for a {@link PlaybackException}.
-   *
-   * <p>If there is a corresponding {@link TransformationException.ErrorCode} for the {@link
-   * PlaybackException.ErrorCode}, this error code and the same message are used for the created
-   * instance. Otherwise, this is equivalent to {@link #createForUnexpected(Exception)}.
-   */
-  /* package */ static TransformationException createForPlaybackException(
-      PlaybackException exception) {
-    @ErrorCode int errorCode = getErrorCodeForName(exception.getErrorCodeName());
-    return errorCode == ERROR_CODE_UNSPECIFIED
-        ? createForUnexpected(exception)
-        : new TransformationException(exception.getMessage(), exception, errorCode);
-  }
-
   /** An error code which identifies the cause of the transformation failure. */
   public final @ErrorCode int errorCode;
 

library/transformer/src/main/java/com/google/android/exoplayer2/transformer/TransformerInternal.java

@@ -18,6 +18,7 @@ package com.google.android.exoplayer2.transformer;
 
 import static com.google.android.exoplayer2.transformer.AssetLoader.SUPPORTED_OUTPUT_TYPE_DECODED;
 import static com.google.android.exoplayer2.transformer.AssetLoader.SUPPORTED_OUTPUT_TYPE_ENCODED;
+import static com.google.android.exoplayer2.transformer.TransformationException.ERROR_CODE_FAILED_RUNTIME_CHECK;
 import static com.google.android.exoplayer2.transformer.TransformationException.ERROR_CODE_MUXING_FAILED;
 import static com.google.android.exoplayer2.transformer.Transformer.PROGRESS_STATE_NOT_STARTED;
 import static com.google.android.exoplayer2.util.Assertions.checkState;
@@ -33,7 +34,6 @@ import androidx.annotation.Nullable;
 import com.google.android.exoplayer2.C;
 import com.google.android.exoplayer2.Format;
 import com.google.android.exoplayer2.MediaItem;
-import com.google.android.exoplayer2.PlaybackException;
 import com.google.android.exoplayer2.audio.AudioProcessor;
 import com.google.android.exoplayer2.decoder.DecoderInputBuffer;
 import com.google.android.exoplayer2.metadata.Metadata;
@@ -397,7 +397,10 @@ import org.checkerframework.checker.nullness.qual.MonotonicNonNull;
     @Override
     public void onTrackCount(int trackCount) {
       if (trackCount <= 0) {
-        onError(new IllegalStateException("AssetLoader instances must provide at least 1 track."));
+        onTransformationError(
+            TransformationException.createForAssetLoader(
+                new IllegalStateException("AssetLoader instances must provide at least 1 track."),
+                ERROR_CODE_FAILED_RUNTIME_CHECK));
         return;
       }
       this.trackCount.set(trackCount);
@@ -450,20 +453,6 @@ import org.checkerframework.checker.nullness.qual.MonotonicNonNull;
       return new SamplePipelineInput(samplePipelineIndex, samplePipeline.expectsDecodedData());
     }
 
-    @Override
-    public void onError(Exception e) {
-      TransformationException transformationException;
-      if (e instanceof TransformationException) {
-        transformationException = (TransformationException) e;
-      } else if (e instanceof PlaybackException) {
-        transformationException =
-            TransformationException.createForPlaybackException((PlaybackException) e);
-      } else {
-        transformationException = TransformationException.createForUnexpected(e);
-      }
-      onTransformationError(transformationException);
-    }
-
     // MuxerWrapper.Listener implementation.
 
     @Override

library/transformer/src/test/java/com/google/android/exoplayer2/transformer/ExoPlayerAssetLoaderTest.java

@@ -85,7 +85,7 @@ public class ExoPlayerAssetLoaderTest {
           }
 
           @Override
-          public void onError(Exception e) {
+          public void onTransformationError(TransformationException e) {
             exceptionRef.set(e);
           }