Add an errorCode field to DrmSessionException

In order to avoid doing the classification in ExoPlayerImplInternal. Note:
This only makes the constructor change. The error code assignment will
happen in an immediately following CL.

PiperOrigin-RevId: 383397729

library/core/src/main/java/com/google/android/exoplayer2/drm/DefaultDrmSession.java

@@ -30,6 +30,7 @@ import androidx.annotation.GuardedBy;
 import androidx.annotation.Nullable;
 import androidx.annotation.RequiresApi;
 import com.google.android.exoplayer2.C;
+import com.google.android.exoplayer2.PlaybackException;
 import com.google.android.exoplayer2.drm.DrmInitData.SchemeData;
 import com.google.android.exoplayer2.drm.ExoMediaDrm.KeyRequest;
 import com.google.android.exoplayer2.drm.ExoMediaDrm.ProvisionRequest;
@@ -511,7 +512,8 @@ import org.checkerframework.checker.nullness.qual.RequiresNonNull;
   }
 
   private void onError(final Exception e) {
-    lastException = new DrmSessionException(e);
+    // TODO(internal b/184262323): Add an argument here which takes the error code from the caller.
+    lastException = new DrmSessionException(e, PlaybackException.ERROR_CODE_DRM_UNSPECIFIED);
     Log.e(TAG, "DRM session error", e);
     dispatchEvent(eventDispatcher -> eventDispatcher.drmSessionManagerError(e));
     if (state != STATE_OPENED_WITH_KEYS) {

library/core/src/main/java/com/google/android/exoplayer2/drm/DefaultDrmSessionManager.java

@@ -30,6 +30,7 @@ import androidx.annotation.Nullable;
 import androidx.annotation.RequiresApi;
 import com.google.android.exoplayer2.C;
 import com.google.android.exoplayer2.Format;
+import com.google.android.exoplayer2.PlaybackException;
 import com.google.android.exoplayer2.drm.DrmInitData.SchemeData;
 import com.google.android.exoplayer2.drm.DrmSession.DrmSessionException;
 import com.google.android.exoplayer2.drm.ExoMediaDrm.OnEventListener;
@@ -540,7 +541,8 @@ public class DefaultDrmSessionManager implements DrmSessionManager {
         if (eventDispatcher != null) {
           eventDispatcher.drmSessionManagerError(error);
         }
-        return new ErrorStateDrmSession(new DrmSessionException(error));
+        return new ErrorStateDrmSession(
+            new DrmSessionException(error, PlaybackException.ERROR_CODE_DRM_CONTENT_ERROR));
       }
     }
 

library/core/src/main/java/com/google/android/exoplayer2/drm/DrmSession.java

@@ -18,6 +18,7 @@ package com.google.android.exoplayer2.drm;
 import android.media.MediaDrm;
 import androidx.annotation.IntDef;
 import androidx.annotation.Nullable;
+import com.google.android.exoplayer2.PlaybackException;
 import java.io.IOException;
 import java.lang.annotation.Documented;
 import java.lang.annotation.Retention;
@@ -53,8 +54,12 @@ public interface DrmSession {
   /** Wraps the throwable which is the cause of the error state. */
   class DrmSessionException extends IOException {
 
-    public DrmSessionException(Throwable cause) {
+    /** The {@link PlaybackException.ErrorCode} that corresponds to the failure. */
+    @PlaybackException.ErrorCode public final int errorCode;
+
+    public DrmSessionException(Throwable cause, @PlaybackException.ErrorCode int errorCode) {
       super(cause);
+      this.errorCode = errorCode;
     }
   }
 

library/core/src/main/java/com/google/android/exoplayer2/drm/DrmSessionManager.java

@@ -18,6 +18,7 @@ package com.google.android.exoplayer2.drm;
 import android.os.Looper;
 import androidx.annotation.Nullable;
 import com.google.android.exoplayer2.Format;
+import com.google.android.exoplayer2.PlaybackException;
 
 /** Manages a DRM session. */
 public interface DrmSessionManager {
@@ -54,8 +55,8 @@ public interface DrmSessionManager {
           } else {
             return new ErrorStateDrmSession(
                 new DrmSession.DrmSessionException(
-                    new UnsupportedDrmException(
+                    new UnsupportedDrmException(UnsupportedDrmException.REASON_UNSUPPORTED_SCHEME),
-                        UnsupportedDrmException.REASON_UNSUPPORTED_SCHEME)));
+                    PlaybackException.ERROR_CODE_DRM_SCHEME_UNSUPPORTED));
           }
         }
 

library/core/src/test/java/com/google/android/exoplayer2/source/SampleQueueTest.java

@@ -35,6 +35,7 @@ import androidx.test.ext.junit.runners.AndroidJUnit4;
 import com.google.android.exoplayer2.C;
 import com.google.android.exoplayer2.Format;
 import com.google.android.exoplayer2.FormatHolder;
+import com.google.android.exoplayer2.PlaybackException;
 import com.google.android.exoplayer2.decoder.DecoderInputBuffer;
 import com.google.android.exoplayer2.drm.DrmInitData;
 import com.google.android.exoplayer2.drm.DrmSession;
@@ -554,7 +555,10 @@ public final class SampleQueueTest {
     assertReadNothing(/* formatRequired= */ false);
     sampleQueue.maybeThrowError();
     when(mockDrmSession.getState()).thenReturn(DrmSession.STATE_ERROR);
-    when(mockDrmSession.getError()).thenReturn(new DrmSession.DrmSessionException(new Exception()));
+    when(mockDrmSession.getError())
+        .thenReturn(
+            new DrmSession.DrmSessionException(
+                new Exception(), PlaybackException.ERROR_CODE_DRM_UNSPECIFIED));
     assertReadNothing(/* formatRequired= */ false);
     try {
       sampleQueue.maybeThrowError();