Mark all non-public IntDefs as only TYPE_USE

This only changes IntDefs that cannot be used by apps because they're
either private or package-private.

A follow-up change will fix the positions of existing usages to match
this new config.

#minor-release

PiperOrigin-RevId: 426372273

extensions/ima/src/main/java/com/google/android/exoplayer2/ext/ima/AdTagLoader.java

@@ -23,6 +23,7 @@ import static com.google.android.exoplayer2.ext.ima.ImaUtil.getImaLooper;
 import static com.google.android.exoplayer2.util.Assertions.checkNotNull;
 import static com.google.android.exoplayer2.util.Assertions.checkState;
 import static java.lang.Math.max;
+import static java.lang.annotation.ElementType.TYPE_USE;
 
 import android.content.Context;
 import android.net.Uri;
@@ -69,6 +70,7 @@ import java.io.IOException;
 import java.lang.annotation.Documented;
 import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
 import java.util.ArrayList;
 import java.util.List;
 import java.util.Map;
@@ -108,6 +110,7 @@ import java.util.Map;
   /** The state of ad playback. */
   @Documented
   @Retention(RetentionPolicy.SOURCE)
+  @Target(TYPE_USE)
   @IntDef({IMA_AD_STATE_NONE, IMA_AD_STATE_PLAYING, IMA_AD_STATE_PAUSED})
   private @interface ImaAdState {}
 

extensions/media2/src/main/java/com/google/android/exoplayer2/ext/media2/PlayerCommandQueue.java

@@ -16,6 +16,7 @@
 package com.google.android.exoplayer2.ext.media2;
 
 import static com.google.android.exoplayer2.util.Util.postOrRun;
+import static java.lang.annotation.ElementType.TYPE_USE;
 import static java.util.concurrent.TimeUnit.MILLISECONDS;
 
 import android.os.Handler;
@@ -32,6 +33,7 @@ import com.google.common.util.concurrent.SettableFuture;
 import java.lang.annotation.Documented;
 import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
 import java.util.ArrayDeque;
 import java.util.ArrayList;
 import java.util.Deque;
@@ -103,6 +105,7 @@ import java.util.concurrent.Callable;
   /** List of session commands whose result would be set after the command is finished. */
   @Documented
   @Retention(RetentionPolicy.SOURCE)
+  @Target(TYPE_USE)
   @IntDef(
       value = {
         COMMAND_CODE_PLAYER_SET_AUDIO_ATTRIBUTES,
@@ -129,6 +132,7 @@ import java.util.concurrent.Callable;
   /** Command whose result would be set later via listener after the command is finished. */
   @Documented
   @Retention(RetentionPolicy.SOURCE)
+  @Target(TYPE_USE)
   @IntDef(
       value = {COMMAND_CODE_PLAYER_PREPARE, COMMAND_CODE_PLAYER_PLAY, COMMAND_CODE_PLAYER_PAUSE})
   public @interface AsyncCommandCode {}

library/common/src/main/java/com/google/android/exoplayer2/DeviceInfo.java

@@ -87,6 +87,7 @@ public final class DeviceInfo implements Bundleable {
 
   @Documented
   @Retention(RetentionPolicy.SOURCE)
+  @Target(TYPE_USE)
   @IntDef({FIELD_PLAYBACK_TYPE, FIELD_MIN_VOLUME, FIELD_MAX_VOLUME})
   private @interface FieldNumber {}
 

library/common/src/main/java/com/google/android/exoplayer2/Format.java

@@ -15,6 +15,8 @@
  */
 package com.google.android.exoplayer2;
 
+import static java.lang.annotation.ElementType.TYPE_USE;
+
 import android.os.Bundle;
 import androidx.annotation.IntDef;
 import androidx.annotation.Nullable;
@@ -28,6 +30,7 @@ import com.google.common.base.Joiner;
 import java.lang.annotation.Documented;
 import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.Collections;
@@ -1397,6 +1400,7 @@ public final class Format implements Bundleable {
   // Bundleable implementation.
   @Documented
   @Retention(RetentionPolicy.SOURCE)
+  @Target(TYPE_USE)
   @IntDef({
     FIELD_ID,
     FIELD_LABEL,

library/common/src/main/java/com/google/android/exoplayer2/HeartRating.java

@@ -16,6 +16,7 @@
 package com.google.android.exoplayer2;
 
 import static com.google.android.exoplayer2.util.Assertions.checkArgument;
+import static java.lang.annotation.ElementType.TYPE_USE;
 
 import android.os.Bundle;
 import androidx.annotation.IntDef;
@@ -24,6 +25,7 @@ import com.google.common.base.Objects;
 import java.lang.annotation.Documented;
 import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
 
 /**
  * A rating expressed as "heart" or "no heart". It can be used to indicate whether the content is a
@@ -80,6 +82,7 @@ public final class HeartRating extends Rating {
 
   @Documented
   @Retention(RetentionPolicy.SOURCE)
+  @Target(TYPE_USE)
   @IntDef({FIELD_RATING_TYPE, FIELD_RATED, FIELD_IS_HEART})
   private @interface FieldNumber {}
 

library/common/src/main/java/com/google/android/exoplayer2/MediaItem.java

@@ -17,6 +17,7 @@ package com.google.android.exoplayer2;
 
 import static com.google.android.exoplayer2.util.Assertions.checkNotNull;
 import static com.google.android.exoplayer2.util.Assertions.checkState;
+import static java.lang.annotation.ElementType.TYPE_USE;
 
 import android.net.Uri;
 import android.os.Bundle;
@@ -31,6 +32,7 @@ import com.google.common.collect.ImmutableMap;
 import java.lang.annotation.Documented;
 import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.Collections;
@@ -1182,6 +1184,7 @@ public final class MediaItem implements Bundleable {
 
     @Documented
     @Retention(RetentionPolicy.SOURCE)
+    @Target(TYPE_USE)
     @IntDef({
       FIELD_TARGET_OFFSET_MS,
       FIELD_MIN_OFFSET_MS,
@@ -1590,6 +1593,7 @@ public final class MediaItem implements Bundleable {
 
     @Documented
     @Retention(RetentionPolicy.SOURCE)
+    @Target(TYPE_USE)
     @IntDef({
       FIELD_START_POSITION_MS,
       FIELD_END_POSITION_MS,
@@ -1735,6 +1739,7 @@ public final class MediaItem implements Bundleable {
 
   @Documented
   @Retention(RetentionPolicy.SOURCE)
+  @Target(TYPE_USE)
   @IntDef({
     FIELD_MEDIA_ID,
     FIELD_LIVE_CONFIGURATION,

library/common/src/main/java/com/google/android/exoplayer2/MediaMetadata.java

@@ -828,6 +828,7 @@ public final class MediaMetadata implements Bundleable {
 
   @Documented
   @Retention(RetentionPolicy.SOURCE)
+  @Target(TYPE_USE)
   @IntDef({
     FIELD_TITLE,
     FIELD_ARTIST,

library/common/src/main/java/com/google/android/exoplayer2/PercentageRating.java

@@ -16,6 +16,7 @@
 package com.google.android.exoplayer2;
 
 import static com.google.android.exoplayer2.util.Assertions.checkArgument;
+import static java.lang.annotation.ElementType.TYPE_USE;
 
 import android.os.Bundle;
 import androidx.annotation.FloatRange;
@@ -25,6 +26,7 @@ import com.google.common.base.Objects;
 import java.lang.annotation.Documented;
 import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
 
 /** A rating expressed as a percentage. */
 public final class PercentageRating extends Rating {
@@ -78,6 +80,7 @@ public final class PercentageRating extends Rating {
 
   @Documented
   @Retention(RetentionPolicy.SOURCE)
+  @Target(TYPE_USE)
   @IntDef({FIELD_RATING_TYPE, FIELD_PERCENT})
   private @interface FieldNumber {}
 

library/common/src/main/java/com/google/android/exoplayer2/PlaybackParameters.java

@@ -15,6 +15,8 @@
  */
 package com.google.android.exoplayer2;
 
+import static java.lang.annotation.ElementType.TYPE_USE;
+
 import android.os.Bundle;
 import androidx.annotation.CheckResult;
 import androidx.annotation.FloatRange;
@@ -25,6 +27,7 @@ import com.google.android.exoplayer2.util.Util;
 import java.lang.annotation.Documented;
 import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
 
 /** Parameters that apply to playback, including speed setting. */
 public final class PlaybackParameters implements Bundleable {
@@ -119,6 +122,7 @@ public final class PlaybackParameters implements Bundleable {
 
   @Documented
   @Retention(RetentionPolicy.SOURCE)
+  @Target(TYPE_USE)
   @IntDef({FIELD_SPEED, FIELD_PITCH})
   private @interface FieldNumber {}
 

library/common/src/main/java/com/google/android/exoplayer2/Player.java

@@ -600,6 +600,7 @@ public interface Player {
     // Bundleable implementation.
     @Documented
     @Retention(RetentionPolicy.SOURCE)
+    @Target(TYPE_USE)
     @IntDef({
       FIELD_MEDIA_ITEM_INDEX,
       FIELD_MEDIA_ITEM,
@@ -894,6 +895,7 @@ public interface Player {
 
     @Documented
     @Retention(RetentionPolicy.SOURCE)
+    @Target(TYPE_USE)
     @IntDef({FIELD_COMMANDS})
     private @interface FieldNumber {}
 

library/common/src/main/java/com/google/android/exoplayer2/Rating.java

@@ -15,11 +15,14 @@
  */
 package com.google.android.exoplayer2;
 
+import static java.lang.annotation.ElementType.TYPE_USE;
+
 import android.os.Bundle;
 import androidx.annotation.IntDef;
 import java.lang.annotation.Documented;
 import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
 
 /**
  * A rating for media content. The style of a rating can be one of {@link HeartRating}, {@link
@@ -40,6 +43,7 @@ public abstract class Rating implements Bundleable {
 
   @Documented
   @Retention(RetentionPolicy.SOURCE)
+  @Target(TYPE_USE)
   @IntDef({
     RATING_TYPE_UNSET,
     RATING_TYPE_HEART,
@@ -57,6 +61,7 @@ public abstract class Rating implements Bundleable {
 
   @Documented
   @Retention(RetentionPolicy.SOURCE)
+  @Target(TYPE_USE)
   @IntDef({FIELD_RATING_TYPE})
   private @interface FieldNumber {}
 

library/common/src/main/java/com/google/android/exoplayer2/StarRating.java

@@ -16,6 +16,7 @@
 package com.google.android.exoplayer2;
 
 import static com.google.android.exoplayer2.util.Assertions.checkArgument;
+import static java.lang.annotation.ElementType.TYPE_USE;
 
 import android.os.Bundle;
 import androidx.annotation.FloatRange;
@@ -26,6 +27,7 @@ import com.google.common.base.Objects;
 import java.lang.annotation.Documented;
 import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
 
 /** A rating expressed as a fractional number of stars. */
 public final class StarRating extends Rating {
@@ -105,6 +107,7 @@ public final class StarRating extends Rating {
 
   @Documented
   @Retention(RetentionPolicy.SOURCE)
+  @Target(TYPE_USE)
   @IntDef({FIELD_RATING_TYPE, FIELD_MAX_STARS, FIELD_STAR_RATING})
   private @interface FieldNumber {}
 

library/common/src/main/java/com/google/android/exoplayer2/ThumbRating.java

@@ -16,6 +16,7 @@
 package com.google.android.exoplayer2;
 
 import static com.google.android.exoplayer2.util.Assertions.checkArgument;
+import static java.lang.annotation.ElementType.TYPE_USE;
 
 import android.os.Bundle;
 import androidx.annotation.IntDef;
@@ -24,6 +25,7 @@ import com.google.common.base.Objects;
 import java.lang.annotation.Documented;
 import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
 
 /** A rating expressed as "thumbs up" or "thumbs down". */
 public final class ThumbRating extends Rating {
@@ -77,6 +79,7 @@ public final class ThumbRating extends Rating {
 
   @Documented
   @Retention(RetentionPolicy.SOURCE)
+  @Target(TYPE_USE)
   @IntDef({FIELD_RATING_TYPE, FIELD_RATED, FIELD_IS_THUMBS_UP})
   private @interface FieldNumber {}
 

library/common/src/main/java/com/google/android/exoplayer2/Timeline.java

@@ -20,6 +20,7 @@ import static com.google.android.exoplayer2.util.Assertions.checkArgument;
 import static com.google.android.exoplayer2.util.Assertions.checkState;
 import static java.lang.Math.max;
 import static java.lang.Math.min;
+import static java.lang.annotation.ElementType.TYPE_USE;
 
 import android.net.Uri;
 import android.os.Bundle;
@@ -37,6 +38,7 @@ import com.google.errorprone.annotations.InlineMe;
 import java.lang.annotation.Documented;
 import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
 import java.util.ArrayList;
 import java.util.List;
 
@@ -413,6 +415,7 @@ public abstract class Timeline implements Bundleable {
 
     @Documented
     @Retention(RetentionPolicy.SOURCE)
+    @Target(TYPE_USE)
     @IntDef({
       FIELD_MEDIA_ITEM,
       FIELD_PRESENTATION_START_TIME_MS,
@@ -896,6 +899,7 @@ public abstract class Timeline implements Bundleable {
 
     @Documented
     @Retention(RetentionPolicy.SOURCE)
+    @Target(TYPE_USE)
     @IntDef({
       FIELD_WINDOW_INDEX,
       FIELD_DURATION_US,
@@ -1351,6 +1355,7 @@ public abstract class Timeline implements Bundleable {
 
   @Documented
   @Retention(RetentionPolicy.SOURCE)
+  @Target(TYPE_USE)
   @IntDef({
     FIELD_WINDOWS,
     FIELD_PERIODS,

library/common/src/main/java/com/google/android/exoplayer2/TracksInfo.java

@@ -20,6 +20,7 @@ import static com.google.android.exoplayer2.util.Assertions.checkNotNull;
 import static com.google.android.exoplayer2.util.BundleableUtil.fromBundleNullableList;
 import static com.google.android.exoplayer2.util.BundleableUtil.fromNullableBundle;
 import static com.google.android.exoplayer2.util.BundleableUtil.toBundleArrayList;
+import static java.lang.annotation.ElementType.TYPE_USE;
 
 import android.os.Bundle;
 import androidx.annotation.IntDef;
@@ -31,6 +32,7 @@ import com.google.common.primitives.Booleans;
 import java.lang.annotation.Documented;
 import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
 import java.util.Arrays;
 import java.util.List;
 
@@ -193,6 +195,7 @@ public final class TracksInfo implements Bundleable {
     // Bundleable implementation.
     @Documented
     @Retention(RetentionPolicy.SOURCE)
+    @Target(TYPE_USE)
     @IntDef({
       FIELD_TRACK_GROUP,
       FIELD_TRACK_SUPPORT,
@@ -326,6 +329,7 @@ public final class TracksInfo implements Bundleable {
 
   @Documented
   @Retention(RetentionPolicy.SOURCE)
+  @Target(TYPE_USE)
   @IntDef({
     FIELD_TRACK_GROUP_INFOS,
   })

library/common/src/main/java/com/google/android/exoplayer2/audio/AudioAttributes.java

@@ -15,6 +15,8 @@
  */
 package com.google.android.exoplayer2.audio;
 
+import static java.lang.annotation.ElementType.TYPE_USE;
+
 import android.os.Bundle;
 import androidx.annotation.DoNotInline;
 import androidx.annotation.IntDef;
@@ -26,6 +28,7 @@ import com.google.android.exoplayer2.util.Util;
 import java.lang.annotation.Documented;
 import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
 import java.lang.reflect.Method;
 
 /**
@@ -181,6 +184,7 @@ public final class AudioAttributes implements Bundleable {
 
   @Documented
   @Retention(RetentionPolicy.SOURCE)
+  @Target(TYPE_USE)
   @IntDef({
     FIELD_CONTENT_TYPE,
     FIELD_FLAGS,

library/common/src/main/java/com/google/android/exoplayer2/source/TrackGroup.java

@@ -16,6 +16,7 @@
 package com.google.android.exoplayer2.source;
 
 import static com.google.android.exoplayer2.util.Assertions.checkArgument;
+import static java.lang.annotation.ElementType.TYPE_USE;
 
 import android.os.Bundle;
 import androidx.annotation.CheckResult;
@@ -31,6 +32,7 @@ import com.google.common.collect.Lists;
 import java.lang.annotation.Documented;
 import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
 import java.util.Arrays;
 import java.util.List;
 
@@ -138,6 +140,7 @@ public final class TrackGroup implements Bundleable {
 
   @Documented
   @Retention(RetentionPolicy.SOURCE)
+  @Target(TYPE_USE)
   @IntDef({FIELD_FORMATS, FIELD_ID})
   private @interface FieldNumber {}
 

library/common/src/main/java/com/google/android/exoplayer2/source/TrackGroupArray.java

@@ -15,6 +15,8 @@
  */
 package com.google.android.exoplayer2.source;
 
+import static java.lang.annotation.ElementType.TYPE_USE;
+
 import android.os.Bundle;
 import androidx.annotation.IntDef;
 import androidx.annotation.Nullable;
@@ -26,6 +28,7 @@ import com.google.common.collect.ImmutableList;
 import java.lang.annotation.Documented;
 import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
 import java.util.List;
 
 /** An immutable array of {@link TrackGroup}s. */
@@ -105,6 +108,7 @@ public final class TrackGroupArray implements Bundleable {
 
   @Documented
   @Retention(RetentionPolicy.SOURCE)
+  @Target(TYPE_USE)
   @IntDef({
     FIELD_TRACK_GROUPS,
   })

library/common/src/main/java/com/google/android/exoplayer2/source/ads/AdPlaybackState.java

@@ -18,6 +18,7 @@ package com.google.android.exoplayer2.source.ads;
 import static com.google.android.exoplayer2.util.Assertions.checkArgument;
 import static com.google.android.exoplayer2.util.Assertions.checkState;
 import static java.lang.Math.max;
+import static java.lang.annotation.ElementType.TYPE_USE;
 
 import android.net.Uri;
 import android.os.Bundle;
@@ -32,6 +33,7 @@ import com.google.android.exoplayer2.util.Util;
 import java.lang.annotation.Documented;
 import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
 import java.util.ArrayList;
 import java.util.Arrays;
 import org.checkerframework.checker.nullness.compatqual.NullableType;
@@ -344,6 +346,7 @@ public final class AdPlaybackState implements Bundleable {
 
     @Documented
     @Retention(RetentionPolicy.SOURCE)
+    @Target(TYPE_USE)
     @IntDef({
       FIELD_TIME_US,
       FIELD_COUNT,
@@ -914,6 +917,7 @@ public final class AdPlaybackState implements Bundleable {
 
   @Documented
   @Retention(RetentionPolicy.SOURCE)
+  @Target(TYPE_USE)
   @IntDef({
     FIELD_AD_GROUPS,
     FIELD_AD_RESUME_POSITION_US,

library/common/src/main/java/com/google/android/exoplayer2/text/Cue.java

@@ -961,6 +961,7 @@ public final class Cue implements Bundleable {
 
   @Documented
   @Retention(RetentionPolicy.SOURCE)
+  @Target(TYPE_USE)
   @IntDef({
     FIELD_TEXT,
     FIELD_TEXT_ALIGNMENT,

library/common/src/main/java/com/google/android/exoplayer2/trackselection/TrackSelectionOverrides.java

@@ -18,6 +18,7 @@ package com.google.android.exoplayer2.trackselection;
 import static com.google.android.exoplayer2.util.Assertions.checkNotNull;
 import static com.google.android.exoplayer2.util.BundleableUtil.fromBundleNullableList;
 import static com.google.android.exoplayer2.util.BundleableUtil.toBundleArrayList;
+import static java.lang.annotation.ElementType.TYPE_USE;
 import static java.util.Collections.max;
 import static java.util.Collections.min;
 
@@ -35,6 +36,7 @@ import com.google.common.primitives.Ints;
 import java.lang.annotation.Documented;
 import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
 import java.util.HashMap;
 import java.util.Iterator;
 import java.util.List;
@@ -183,6 +185,7 @@ public final class TrackSelectionOverrides implements Bundleable {
 
     @Documented
     @Retention(RetentionPolicy.SOURCE)
+    @Target(TYPE_USE)
     @IntDef({
       FIELD_TRACK_GROUP,
       FIELD_TRACKS,
@@ -268,6 +271,7 @@ public final class TrackSelectionOverrides implements Bundleable {
 
   @Documented
   @Retention(RetentionPolicy.SOURCE)
+  @Target(TYPE_USE)
   @IntDef({
     FIELD_OVERRIDES,
   })

library/common/src/main/java/com/google/android/exoplayer2/trackselection/TrackSelectionParameters.java

@@ -18,6 +18,7 @@ package com.google.android.exoplayer2.trackselection;
 import static com.google.android.exoplayer2.util.Assertions.checkNotNull;
 import static com.google.android.exoplayer2.util.BundleableUtil.fromNullableBundle;
 import static com.google.common.base.MoreObjects.firstNonNull;
+import static java.lang.annotation.ElementType.TYPE_USE;
 
 import android.content.Context;
 import android.graphics.Point;
@@ -36,6 +37,7 @@ import com.google.common.primitives.Ints;
 import java.lang.annotation.Documented;
 import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
 import java.util.Locale;
 import java.util.Set;
 import org.checkerframework.checker.initialization.qual.UnknownInitialization;
@@ -978,6 +980,7 @@ public class TrackSelectionParameters implements Bundleable {
 
   @Documented
   @Retention(RetentionPolicy.SOURCE)
+  @Target(TYPE_USE)
   @IntDef({
     FIELD_PREFERRED_AUDIO_LANGUAGES,
     FIELD_PREFERRED_AUDIO_ROLE_FLAGS,

library/common/src/main/java/com/google/android/exoplayer2/video/ColorInfo.java

@@ -15,6 +15,8 @@
  */
 package com.google.android.exoplayer2.video;
 
+import static java.lang.annotation.ElementType.TYPE_USE;
+
 import android.os.Bundle;
 import androidx.annotation.IntDef;
 import androidx.annotation.Nullable;
@@ -24,6 +26,7 @@ import com.google.android.exoplayer2.Format;
 import java.lang.annotation.Documented;
 import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
 import java.util.Arrays;
 import org.checkerframework.dataflow.qual.Pure;
 
@@ -164,6 +167,7 @@ public final class ColorInfo implements Bundleable {
 
   @Documented
   @Retention(RetentionPolicy.SOURCE)
+  @Target(TYPE_USE)
   @IntDef({
     FIELD_COLOR_SPACE,
     FIELD_COLOR_RANGE,

library/common/src/main/java/com/google/android/exoplayer2/video/VideoSize.java

@@ -15,6 +15,8 @@
  */
 package com.google.android.exoplayer2.video;
 
+import static java.lang.annotation.ElementType.TYPE_USE;
+
 import android.os.Bundle;
 import androidx.annotation.FloatRange;
 import androidx.annotation.IntDef;
@@ -24,6 +26,7 @@ import com.google.android.exoplayer2.Bundleable;
 import java.lang.annotation.Documented;
 import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
 
 /** Represents the video size. */
 public final class VideoSize implements Bundleable {
@@ -129,6 +132,7 @@ public final class VideoSize implements Bundleable {
   // Bundleable implementation.
   @Documented
   @Retention(RetentionPolicy.SOURCE)
+  @Target(TYPE_USE)
   @IntDef({
     FIELD_WIDTH,
     FIELD_HEIGHT,

library/core/src/main/java/com/google/android/exoplayer2/AudioFocusManager.java

@@ -16,6 +16,7 @@
 package com.google.android.exoplayer2;
 
 import static com.google.android.exoplayer2.util.Assertions.checkNotNull;
+import static java.lang.annotation.ElementType.TYPE_USE;
 
 import android.content.Context;
 import android.media.AudioFocusRequest;
@@ -32,6 +33,7 @@ import com.google.android.exoplayer2.util.Util;
 import java.lang.annotation.Documented;
 import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
 import org.checkerframework.checker.nullness.qual.MonotonicNonNull;
 
 /** Manages requesting and responding to changes in audio focus. */
@@ -76,6 +78,7 @@ import org.checkerframework.checker.nullness.qual.MonotonicNonNull;
   /** Audio focus state. */
   @Documented
   @Retention(RetentionPolicy.SOURCE)
+  @Target(TYPE_USE)
   @IntDef({
     AUDIO_FOCUS_STATE_NO_FOCUS,
     AUDIO_FOCUS_STATE_HAVE_FOCUS,

library/core/src/main/java/com/google/android/exoplayer2/audio/AudioTimestampPoller.java

@@ -15,6 +15,8 @@
  */
 package com.google.android.exoplayer2.audio;
 
+import static java.lang.annotation.ElementType.TYPE_USE;
+
 import android.annotation.TargetApi;
 import android.media.AudioTimestamp;
 import android.media.AudioTrack;
@@ -26,6 +28,7 @@ import com.google.android.exoplayer2.util.Util;
 import java.lang.annotation.Documented;
 import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
 
 /**
  * Polls the {@link AudioTrack} timestamp, if the platform supports it, taking care of polling at
@@ -49,6 +52,7 @@ import java.lang.annotation.RetentionPolicy;
   /** Timestamp polling states. */
   @Documented
   @Retention(RetentionPolicy.SOURCE)
+  @Target(TYPE_USE)
   @IntDef({
     STATE_INITIALIZING,
     STATE_TIMESTAMP,

library/core/src/main/java/com/google/android/exoplayer2/audio/AudioTrackPositionTracker.java

@@ -18,6 +18,7 @@ package com.google.android.exoplayer2.audio;
 import static com.google.android.exoplayer2.util.Util.castNonNull;
 import static java.lang.Math.max;
 import static java.lang.Math.min;
+import static java.lang.annotation.ElementType.TYPE_USE;
 
 import android.media.AudioTimestamp;
 import android.media.AudioTrack;
@@ -30,6 +31,7 @@ import com.google.android.exoplayer2.util.Util;
 import java.lang.annotation.Documented;
 import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
 import java.lang.reflect.Method;
 
 /**
@@ -111,6 +113,7 @@ import java.lang.reflect.Method;
   /** {@link AudioTrack} playback states. */
   @Documented
   @Retention(RetentionPolicy.SOURCE)
+  @Target(TYPE_USE)
   @IntDef({PLAYSTATE_STOPPED, PLAYSTATE_PAUSED, PLAYSTATE_PLAYING})
   private @interface PlayState {}
   /** @see AudioTrack#PLAYSTATE_STOPPED */

library/core/src/main/java/com/google/android/exoplayer2/audio/DecoderAudioRenderer.java

@@ -21,6 +21,7 @@ import static com.google.android.exoplayer2.decoder.DecoderReuseEvaluation.REUSE
 import static com.google.android.exoplayer2.source.SampleStream.FLAG_REQUIRE_FORMAT;
 import static com.google.common.base.MoreObjects.firstNonNull;
 import static java.lang.Math.max;
+import static java.lang.annotation.ElementType.TYPE_USE;
 
 import android.os.Handler;
 import android.os.SystemClock;
@@ -93,6 +94,7 @@ public abstract class DecoderAudioRenderer<
 
   @Documented
   @Retention(RetentionPolicy.SOURCE)
+  @java.lang.annotation.Target(TYPE_USE)
   @IntDef({
     REINITIALIZATION_STATE_NONE,
     REINITIALIZATION_STATE_SIGNAL_END_OF_STREAM,

library/core/src/main/java/com/google/android/exoplayer2/audio/SilenceSkippingAudioProcessor.java

@@ -16,6 +16,7 @@
 package com.google.android.exoplayer2.audio;
 
 import static java.lang.Math.min;
+import static java.lang.annotation.ElementType.TYPE_USE;
 
 import androidx.annotation.IntDef;
 import com.google.android.exoplayer2.C;
@@ -24,6 +25,7 @@ import com.google.android.exoplayer2.util.Util;
 import java.lang.annotation.Documented;
 import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
 import java.nio.ByteBuffer;
 
 /**
@@ -51,6 +53,7 @@ public final class SilenceSkippingAudioProcessor extends BaseAudioProcessor {
   /** Trimming states. */
   @Documented
   @Retention(RetentionPolicy.SOURCE)
+  @Target(TYPE_USE)
   @IntDef({
     STATE_NOISY,
     STATE_MAYBE_SILENT,

library/core/src/main/java/com/google/android/exoplayer2/mediacodec/AsynchronousMediaCodecAdapter.java

@@ -16,6 +16,8 @@
 
 package com.google.android.exoplayer2.mediacodec;
 
+import static java.lang.annotation.ElementType.TYPE_USE;
+
 import android.media.MediaCodec;
 import android.media.MediaCrypto;
 import android.media.MediaFormat;
@@ -36,6 +38,7 @@ import java.io.IOException;
 import java.lang.annotation.Documented;
 import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
 import java.nio.ByteBuffer;
 
 /**
@@ -124,6 +127,7 @@ import java.nio.ByteBuffer;
 
   @Documented
   @Retention(RetentionPolicy.SOURCE)
+  @Target(TYPE_USE)
   @IntDef({STATE_CREATED, STATE_INITIALIZED, STATE_SHUT_DOWN})
   private @interface State {}
 

library/core/src/main/java/com/google/android/exoplayer2/mediacodec/DefaultMediaCodecAdapterFactory.java

@@ -15,14 +15,18 @@
  */
 package com.google.android.exoplayer2.mediacodec;
 
+import static java.lang.annotation.ElementType.TYPE_USE;
+
 import android.media.MediaCodec;
 import androidx.annotation.IntDef;
 import com.google.android.exoplayer2.util.Log;
 import com.google.android.exoplayer2.util.MimeTypes;
 import com.google.android.exoplayer2.util.Util;
 import java.io.IOException;
+import java.lang.annotation.Documented;
 import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
 
 /**
  * The default {@link MediaCodecAdapter.Factory}.
@@ -35,7 +39,9 @@ import java.lang.annotation.RetentionPolicy;
  */
 public final class DefaultMediaCodecAdapterFactory implements MediaCodecAdapter.Factory {
 
+  @Documented
   @Retention(RetentionPolicy.SOURCE)
+  @Target(TYPE_USE)
   @IntDef({MODE_DEFAULT, MODE_ENABLED, MODE_DISABLED})
   private @interface Mode {}
 

library/core/src/main/java/com/google/android/exoplayer2/mediacodec/MediaCodecRenderer.java

@@ -29,6 +29,7 @@ import static com.google.android.exoplayer2.source.SampleStream.FLAG_REQUIRE_FOR
 import static com.google.android.exoplayer2.util.Assertions.checkNotNull;
 import static com.google.android.exoplayer2.util.Assertions.checkState;
 import static java.lang.Math.max;
+import static java.lang.annotation.ElementType.TYPE_USE;
 
 import android.annotation.TargetApi;
 import android.media.MediaCodec;
@@ -77,6 +78,7 @@ import com.google.android.exoplayer2.util.Util;
 import java.lang.annotation.Documented;
 import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
 import java.nio.ByteBuffer;
 import java.nio.ByteOrder;
 import java.util.ArrayDeque;
@@ -210,6 +212,7 @@ public abstract class MediaCodecRenderer extends BaseRenderer {
 
   @Documented
   @Retention(RetentionPolicy.SOURCE)
+  @Target(TYPE_USE)
   @IntDef({
     RECONFIGURATION_STATE_NONE,
     RECONFIGURATION_STATE_WRITE_PENDING,
@@ -228,6 +231,7 @@ public abstract class MediaCodecRenderer extends BaseRenderer {
 
   @Documented
   @Retention(RetentionPolicy.SOURCE)
+  @Target(TYPE_USE)
   @IntDef({DRAIN_STATE_NONE, DRAIN_STATE_SIGNAL_END_OF_STREAM, DRAIN_STATE_WAIT_END_OF_STREAM})
   private @interface DrainState {}
   /** The codec is not being drained. */
@@ -239,6 +243,7 @@ public abstract class MediaCodecRenderer extends BaseRenderer {
 
   @Documented
   @Retention(RetentionPolicy.SOURCE)
+  @Target(TYPE_USE)
   @IntDef({
     DRAIN_ACTION_NONE,
     DRAIN_ACTION_FLUSH,
@@ -257,6 +262,7 @@ public abstract class MediaCodecRenderer extends BaseRenderer {
 
   @Documented
   @Retention(RetentionPolicy.SOURCE)
+  @Target(TYPE_USE)
   @IntDef({
     ADAPTATION_WORKAROUND_MODE_NEVER,
     ADAPTATION_WORKAROUND_MODE_SAME_RESOLUTION,

library/core/src/main/java/com/google/android/exoplayer2/text/ExoplayerCuesDecoder.java

@@ -18,14 +18,17 @@ package com.google.android.exoplayer2.text;
 import static com.google.android.exoplayer2.util.Assertions.checkArgument;
 import static com.google.android.exoplayer2.util.Assertions.checkNotNull;
 import static com.google.android.exoplayer2.util.Assertions.checkState;
+import static java.lang.annotation.ElementType.TYPE_USE;
 
 import androidx.annotation.IntDef;
 import androidx.annotation.Nullable;
 import com.google.android.exoplayer2.C;
 import com.google.android.exoplayer2.util.MimeTypes;
 import com.google.common.collect.ImmutableList;
+import java.lang.annotation.Documented;
 import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
 import java.util.ArrayDeque;
 import java.util.Deque;
 import java.util.List;
@@ -35,6 +38,8 @@ import java.util.List;
  * MimeTypes#TEXT_EXOPLAYER_CUES}
  */
 public final class ExoplayerCuesDecoder implements SubtitleDecoder {
+  @Documented
+  @Target(TYPE_USE)
   @IntDef(value = {INPUT_BUFFER_AVAILABLE, INPUT_BUFFER_DEQUEUED, INPUT_BUFFER_QUEUED})
   @Retention(RetentionPolicy.SOURCE)
   private @interface InputBufferState {}

library/core/src/main/java/com/google/android/exoplayer2/text/TextRenderer.java

@@ -17,6 +17,7 @@ package com.google.android.exoplayer2.text;
 
 import static com.google.android.exoplayer2.util.Assertions.checkNotNull;
 import static com.google.android.exoplayer2.util.Assertions.checkState;
+import static java.lang.annotation.ElementType.TYPE_USE;
 
 import android.os.Handler;
 import android.os.Handler.Callback;
@@ -36,6 +37,7 @@ import com.google.android.exoplayer2.util.Util;
 import java.lang.annotation.Documented;
 import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
 import java.util.Collections;
 import java.util.List;
 
@@ -52,6 +54,7 @@ public final class TextRenderer extends BaseRenderer implements Callback {
 
   @Documented
   @Retention(RetentionPolicy.SOURCE)
+  @Target(TYPE_USE)
   @IntDef({
     REPLACEMENT_STATE_NONE,
     REPLACEMENT_STATE_SIGNAL_END_OF_STREAM,

library/core/src/main/java/com/google/android/exoplayer2/trackselection/DefaultTrackSelector.java

@@ -15,6 +15,7 @@
  */
 package com.google.android.exoplayer2.trackselection;
 
+import static java.lang.annotation.ElementType.TYPE_USE;
 import static java.util.Collections.max;
 
 import android.annotation.SuppressLint;
@@ -54,6 +55,7 @@ import com.google.common.primitives.Ints;
 import java.lang.annotation.Documented;
 import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.Comparator;
@@ -1113,6 +1115,7 @@ public class DefaultTrackSelector extends MappingTrackSelector {
 
     @Documented
     @Retention(RetentionPolicy.SOURCE)
+    @Target(TYPE_USE)
     @IntDef({
       FIELD_EXCEED_VIDEO_CONSTRAINTS_IF_NECESSARY,
       FIELD_ALLOW_VIDEO_MIXED_MIME_TYPE_ADAPTIVENESS,
@@ -1373,6 +1376,7 @@ public class DefaultTrackSelector extends MappingTrackSelector {
 
     @Documented
     @Retention(RetentionPolicy.SOURCE)
+    @Target(TYPE_USE)
     @IntDef({
       FIELD_GROUP_INDEX,
       FIELD_TRACKS,

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

@@ -16,6 +16,7 @@
 package com.google.android.exoplayer2.upstream;
 
 import static java.lang.Math.min;
+import static java.lang.annotation.ElementType.TYPE_USE;
 
 import android.annotation.SuppressLint;
 import android.os.Handler;
@@ -33,6 +34,7 @@ import java.io.IOException;
 import java.lang.annotation.Documented;
 import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
 import java.util.concurrent.ExecutorService;
 import java.util.concurrent.atomic.AtomicBoolean;
 
@@ -143,6 +145,7 @@ public final class Loader implements LoaderErrorThrower {
   /** Types of action that can be taken in response to a load error. */
   @Documented
   @Retention(RetentionPolicy.SOURCE)
+  @Target(TYPE_USE)
   @IntDef({
     ACTION_TYPE_RETRY,
     ACTION_TYPE_RETRY_AND_RESET_ERROR_COUNT,

library/core/src/main/java/com/google/android/exoplayer2/video/DecoderVideoRenderer.java

@@ -20,6 +20,7 @@ import static com.google.android.exoplayer2.decoder.DecoderReuseEvaluation.DISCA
 import static com.google.android.exoplayer2.decoder.DecoderReuseEvaluation.REUSE_RESULT_NO;
 import static com.google.android.exoplayer2.source.SampleStream.FLAG_REQUIRE_FORMAT;
 import static java.lang.Math.max;
+import static java.lang.annotation.ElementType.TYPE_USE;
 
 import android.os.Handler;
 import android.os.SystemClock;
@@ -35,7 +36,7 @@ import com.google.android.exoplayer2.ExoPlayer;
 import com.google.android.exoplayer2.Format;
 import com.google.android.exoplayer2.FormatHolder;
 import com.google.android.exoplayer2.PlaybackException;
-import com.google.android.exoplayer2.PlayerMessage.Target;
+import com.google.android.exoplayer2.PlayerMessage;
 import com.google.android.exoplayer2.decoder.CryptoConfig;
 import com.google.android.exoplayer2.decoder.Decoder;
 import com.google.android.exoplayer2.decoder.DecoderCounters;
@@ -55,12 +56,13 @@ import com.google.android.exoplayer2.video.VideoRendererEventListener.EventDispa
 import java.lang.annotation.Documented;
 import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
 
 /**
  * Decodes and renders video using a {@link Decoder}.
  *
- * <p>This renderer accepts the following messages sent via {@link ExoPlayer#createMessage(Target)}
- * on the playback thread:
+ * <p>This renderer accepts the following messages sent via {@link
+ * ExoPlayer#createMessage(PlayerMessage.Target)} on the playback thread:
  *
  * <ul>
  *   <li>Message with type {@link #MSG_SET_VIDEO_OUTPUT} to set the output surface. The message
@@ -78,6 +80,7 @@ public abstract class DecoderVideoRenderer extends BaseRenderer {
   /** Decoder reinitialization states. */
   @Documented
   @Retention(RetentionPolicy.SOURCE)
+  @Target(TYPE_USE)
   @IntDef({
     REINITIALIZATION_STATE_NONE,
     REINITIALIZATION_STATE_SIGNAL_END_OF_STREAM,

library/core/src/main/java/com/google/android/exoplayer2/video/spherical/Projection.java

@@ -15,6 +15,8 @@
  */
 package com.google.android.exoplayer2.video.spherical;
 
+import static java.lang.annotation.ElementType.TYPE_USE;
+
 import androidx.annotation.IntDef;
 import com.google.android.exoplayer2.C;
 import com.google.android.exoplayer2.C.StereoMode;
@@ -22,6 +24,7 @@ import com.google.android.exoplayer2.util.Assertions;
 import java.lang.annotation.Documented;
 import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
 
 /** The projection mesh used with 360/VR videos. */
 /* package */ final class Projection {
@@ -29,6 +32,7 @@ import java.lang.annotation.RetentionPolicy;
   /** Enforces allowed (sub) mesh draw modes. */
   @Documented
   @Retention(RetentionPolicy.SOURCE)
+  @Target(TYPE_USE)
   @IntDef({DRAW_MODE_TRIANGLES, DRAW_MODE_TRIANGLES_STRIP, DRAW_MODE_TRIANGLES_FAN})
   public @interface DrawMode {}
   /** Triangle draw mode. */

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

@@ -16,6 +16,7 @@
 package com.google.android.exoplayer2.source.dash;
 
 import static java.lang.Math.min;
+import static java.lang.annotation.ElementType.TYPE_USE;
 
 import android.util.Pair;
 import android.util.SparseArray;
@@ -60,6 +61,7 @@ import java.io.IOException;
 import java.lang.annotation.Documented;
 import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.IdentityHashMap;
@@ -911,6 +913,7 @@ import org.checkerframework.checker.nullness.compatqual.NullableType;
 
     @Documented
     @Retention(RetentionPolicy.SOURCE)
+    @Target(TYPE_USE)
     @IntDef({CATEGORY_PRIMARY, CATEGORY_EMBEDDED, CATEGORY_MANIFEST_EVENTS})
     public @interface TrackGroupCategory {}
 

library/database/src/main/java/com/google/android/exoplayer2/database/VersionTable.java

@@ -15,6 +15,8 @@
  */
 package com.google.android.exoplayer2.database;
 
+import static java.lang.annotation.ElementType.TYPE_USE;
+
 import android.content.ContentValues;
 import android.database.Cursor;
 import android.database.SQLException;
@@ -25,6 +27,7 @@ import com.google.android.exoplayer2.util.Util;
 import java.lang.annotation.Documented;
 import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
 
 /**
  * Utility methods for accessing versions of media library database components. This allows them to
@@ -73,6 +76,7 @@ public final class VersionTable {
 
   @Documented
   @Retention(RetentionPolicy.SOURCE)
+  @Target(TYPE_USE)
   @IntDef({
     FEATURE_OFFLINE,
     FEATURE_CACHE_CONTENT_METADATA,

library/extractor/src/main/java/com/google/android/exoplayer2/extractor/flac/FlacExtractor.java

@@ -18,6 +18,7 @@ package com.google.android.exoplayer2.extractor.flac;
 import static com.google.android.exoplayer2.util.Util.castNonNull;
 import static java.lang.Math.max;
 import static java.lang.Math.min;
+import static java.lang.annotation.ElementType.TYPE_USE;
 
 import androidx.annotation.IntDef;
 import androidx.annotation.Nullable;
@@ -41,6 +42,7 @@ import java.io.IOException;
 import java.lang.annotation.Documented;
 import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
 import org.checkerframework.checker.nullness.qual.MonotonicNonNull;
 
 /**
@@ -77,6 +79,7 @@ public final class FlacExtractor implements Extractor {
   /** Parser state. */
   @Documented
   @Retention(RetentionPolicy.SOURCE)
+  @Target(TYPE_USE)
   @IntDef({
     STATE_READ_ID3_METADATA,
     STATE_GET_STREAM_MARKER_AND_INFO_BLOCK_BYTES,

library/extractor/src/main/java/com/google/android/exoplayer2/extractor/flv/FlvExtractor.java

@@ -16,6 +16,7 @@
 package com.google.android.exoplayer2.extractor.flv;
 
 import static java.lang.Math.max;
+import static java.lang.annotation.ElementType.TYPE_USE;
 
 import androidx.annotation.IntDef;
 import com.google.android.exoplayer2.C;
@@ -32,6 +33,7 @@ import java.io.IOException;
 import java.lang.annotation.Documented;
 import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
 import org.checkerframework.checker.nullness.qual.MonotonicNonNull;
 import org.checkerframework.checker.nullness.qual.RequiresNonNull;
 
@@ -44,6 +46,7 @@ public final class FlvExtractor implements Extractor {
   /** Extractor states. */
   @Documented
   @Retention(RetentionPolicy.SOURCE)
+  @Target(TYPE_USE)
   @IntDef({
     STATE_READING_FLV_HEADER,
     STATE_SKIPPING_TO_TAG_HEADER,

library/extractor/src/main/java/com/google/android/exoplayer2/extractor/jpeg/JpegExtractor.java

@@ -16,6 +16,7 @@
 package com.google.android.exoplayer2.extractor.jpeg;
 
 import static com.google.android.exoplayer2.util.Assertions.checkNotNull;
+import static java.lang.annotation.ElementType.TYPE_USE;
 
 import androidx.annotation.IntDef;
 import androidx.annotation.Nullable;
@@ -36,6 +37,7 @@ import java.io.IOException;
 import java.lang.annotation.Documented;
 import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
 import org.checkerframework.checker.nullness.qual.MonotonicNonNull;
 
 /** Extracts JPEG image using the Exif format. */
@@ -44,6 +46,7 @@ public final class JpegExtractor implements Extractor {
   /** Parser states. */
   @Documented
   @Retention(RetentionPolicy.SOURCE)
+  @Target(TYPE_USE)
   @IntDef({
     STATE_READING_MARKER,
     STATE_READING_SEGMENT_LENGTH,

library/extractor/src/main/java/com/google/android/exoplayer2/extractor/mkv/DefaultEbmlReader.java

@@ -15,6 +15,8 @@
  */
 package com.google.android.exoplayer2.extractor.mkv;
 
+import static java.lang.annotation.ElementType.TYPE_USE;
+
 import androidx.annotation.IntDef;
 import com.google.android.exoplayer2.C;
 import com.google.android.exoplayer2.ParserException;
@@ -25,6 +27,7 @@ import java.io.IOException;
 import java.lang.annotation.Documented;
 import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
 import java.util.ArrayDeque;
 import org.checkerframework.checker.nullness.qual.MonotonicNonNull;
 import org.checkerframework.checker.nullness.qual.RequiresNonNull;
@@ -34,6 +37,7 @@ import org.checkerframework.checker.nullness.qual.RequiresNonNull;
 
   @Documented
   @Retention(RetentionPolicy.SOURCE)
+  @Target(TYPE_USE)
   @IntDef({ELEMENT_STATE_READ_ID, ELEMENT_STATE_READ_CONTENT_SIZE, ELEMENT_STATE_READ_CONTENT})
   private @interface ElementState {}
 

library/extractor/src/main/java/com/google/android/exoplayer2/extractor/mp4/Mp4Extractor.java

@@ -22,6 +22,7 @@ import static com.google.android.exoplayer2.util.Assertions.checkNotNull;
 import static com.google.android.exoplayer2.util.Util.castNonNull;
 import static java.lang.Math.max;
 import static java.lang.Math.min;
+import static java.lang.annotation.ElementType.TYPE_USE;
 
 import android.util.Pair;
 import androidx.annotation.IntDef;
@@ -53,6 +54,7 @@ import java.io.IOException;
 import java.lang.annotation.Documented;
 import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
 import java.util.ArrayDeque;
 import java.util.ArrayList;
 import java.util.List;
@@ -99,6 +101,7 @@ public final class Mp4Extractor implements Extractor, SeekMap {
   /** Parser states. */
   @Documented
   @Retention(RetentionPolicy.SOURCE)
+  @Target(TYPE_USE)
   @IntDef({
     STATE_READING_ATOM_HEADER,
     STATE_READING_ATOM_PAYLOAD,
@@ -115,6 +118,7 @@ public final class Mp4Extractor implements Extractor, SeekMap {
   /** Supported file types. */
   @Documented
   @Retention(RetentionPolicy.SOURCE)
+  @Target(TYPE_USE)
   @IntDef({FILE_TYPE_MP4, FILE_TYPE_QUICKTIME, FILE_TYPE_HEIC})
   private @interface FileType {}
 

library/extractor/src/main/java/com/google/android/exoplayer2/extractor/mp4/SefReader.java

@@ -16,6 +16,7 @@
 package com.google.android.exoplayer2.extractor.mp4;
 
 import static com.google.android.exoplayer2.extractor.Extractor.RESULT_SEEK;
+import static java.lang.annotation.ElementType.TYPE_USE;
 
 import androidx.annotation.IntDef;
 import com.google.android.exoplayer2.C;
@@ -31,6 +32,7 @@ import java.io.IOException;
 import java.lang.annotation.Documented;
 import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
 import java.util.ArrayList;
 import java.util.List;
 
@@ -44,6 +46,7 @@ import java.util.List;
   /** Reader states. */
   @Documented
   @Retention(RetentionPolicy.SOURCE)
+  @Target(TYPE_USE)
   @IntDef({
     STATE_SHOULD_CHECK_FOR_SEF,
     STATE_CHECKING_FOR_SEF,
@@ -60,6 +63,7 @@ import java.util.List;
   /** Supported data types. */
   @Documented
   @Retention(RetentionPolicy.SOURCE)
+  @Target(TYPE_USE)
   @IntDef({
     TYPE_SLOW_MOTION_DATA,
     TYPE_SUPER_SLOW_MOTION_DATA,

library/extractor/src/main/java/com/google/android/exoplayer2/extractor/ts/Ac3Reader.java

@@ -16,6 +16,7 @@
 package com.google.android.exoplayer2.extractor.ts;
 
 import static java.lang.Math.min;
+import static java.lang.annotation.ElementType.TYPE_USE;
 
 import androidx.annotation.IntDef;
 import androidx.annotation.Nullable;
@@ -33,6 +34,7 @@ import com.google.android.exoplayer2.util.Util;
 import java.lang.annotation.Documented;
 import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
 import org.checkerframework.checker.nullness.qual.MonotonicNonNull;
 import org.checkerframework.checker.nullness.qual.RequiresNonNull;
 
@@ -41,6 +43,7 @@ public final class Ac3Reader implements ElementaryStreamReader {
 
   @Documented
   @Retention(RetentionPolicy.SOURCE)
+  @Target(TYPE_USE)
   @IntDef({STATE_FINDING_SYNC, STATE_READING_HEADER, STATE_READING_SAMPLE})
   private @interface State {}
 

library/extractor/src/main/java/com/google/android/exoplayer2/extractor/ts/Ac4Reader.java

@@ -16,6 +16,7 @@
 package com.google.android.exoplayer2.extractor.ts;
 
 import static java.lang.Math.min;
+import static java.lang.annotation.ElementType.TYPE_USE;
 
 import androidx.annotation.IntDef;
 import androidx.annotation.Nullable;
@@ -33,6 +34,7 @@ import com.google.android.exoplayer2.util.ParsableByteArray;
 import java.lang.annotation.Documented;
 import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
 import org.checkerframework.checker.nullness.qual.MonotonicNonNull;
 import org.checkerframework.checker.nullness.qual.RequiresNonNull;
 
@@ -41,6 +43,7 @@ public final class Ac4Reader implements ElementaryStreamReader {
 
   @Documented
   @Retention(RetentionPolicy.SOURCE)
+  @Target(TYPE_USE)
   @IntDef({STATE_FINDING_SYNC, STATE_READING_HEADER, STATE_READING_SAMPLE})
   private @interface State {}
 

library/extractor/src/main/java/com/google/android/exoplayer2/extractor/ts/H263Reader.java

@@ -18,6 +18,7 @@ package com.google.android.exoplayer2.extractor.ts;
 import static com.google.android.exoplayer2.util.Assertions.checkNotNull;
 import static com.google.android.exoplayer2.util.Assertions.checkStateNotNull;
 import static com.google.android.exoplayer2.util.Util.castNonNull;
+import static java.lang.annotation.ElementType.TYPE_USE;
 
 import androidx.annotation.IntDef;
 import androidx.annotation.Nullable;
@@ -31,8 +32,10 @@ import com.google.android.exoplayer2.util.MimeTypes;
 import com.google.android.exoplayer2.util.NalUnitUtil;
 import com.google.android.exoplayer2.util.ParsableBitArray;
 import com.google.android.exoplayer2.util.ParsableByteArray;
+import java.lang.annotation.Documented;
 import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
 import java.util.Arrays;
 import java.util.Collections;
 import org.checkerframework.checker.nullness.qual.MonotonicNonNull;
@@ -311,7 +314,9 @@ public final class H263Reader implements ElementaryStreamReader {
 
     private static final byte[] START_CODE = new byte[] {0, 0, 1};
 
+    @Documented
     @Retention(RetentionPolicy.SOURCE)
+    @Target(TYPE_USE)
     @IntDef({
       STATE_SKIP_TO_VISUAL_OBJECT_SEQUENCE_START,
       STATE_EXPECT_VISUAL_OBJECT_START,

library/extractor/src/main/java/com/google/android/exoplayer2/text/SubtitleExtractor.java

@@ -17,6 +17,7 @@ package com.google.android.exoplayer2.text;
 
 import static com.google.android.exoplayer2.util.Assertions.checkState;
 import static com.google.android.exoplayer2.util.Assertions.checkStateNotNull;
+import static java.lang.annotation.ElementType.TYPE_USE;
 
 import androidx.annotation.IntDef;
 import androidx.annotation.Nullable;
@@ -35,15 +36,19 @@ import com.google.android.exoplayer2.util.Util;
 import com.google.common.primitives.Ints;
 import java.io.IOException;
 import java.io.InterruptedIOException;
+import java.lang.annotation.Documented;
 import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
 import java.util.ArrayList;
 import java.util.List;
 import org.checkerframework.checker.nullness.qual.MonotonicNonNull;
 
 /** Generic extractor for extracting subtitles from various subtitle formats. */
 public class SubtitleExtractor implements Extractor {
+  @Documented
   @Retention(RetentionPolicy.SOURCE)
+  @Target(TYPE_USE)
   @IntDef({
     STATE_CREATED,
     STATE_INITIALIZED,

library/extractor/src/main/java/com/google/android/exoplayer2/text/ssa/SsaStyle.java

@@ -18,6 +18,7 @@ package com.google.android.exoplayer2.text.ssa;
 
 import static com.google.android.exoplayer2.text.ssa.SsaDecoder.STYLE_LINE_PREFIX;
 import static com.google.android.exoplayer2.util.Assertions.checkArgument;
+import static java.lang.annotation.ElementType.TYPE_USE;
 import static java.lang.annotation.RetentionPolicy.SOURCE;
 
 import android.graphics.Color;
@@ -35,6 +36,7 @@ import com.google.common.base.Ascii;
 import com.google.common.primitives.Ints;
 import java.lang.annotation.Documented;
 import java.lang.annotation.Retention;
+import java.lang.annotation.Target;
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 
@@ -61,6 +63,7 @@ import java.util.regex.Pattern;
    *   <li>{@link #SSA_ALIGNMENT_TOP_RIGHT}
    * </ul>
    */
+  @Target(TYPE_USE)
   @IntDef({
     SSA_ALIGNMENT_UNKNOWN,
     SSA_ALIGNMENT_BOTTOM_LEFT,

library/extractor/src/main/java/com/google/android/exoplayer2/text/ttml/TextEmphasis.java

@@ -15,6 +15,7 @@
  */
 package com.google.android.exoplayer2.text.ttml;
 
+import static java.lang.annotation.ElementType.TYPE_USE;
 import static java.lang.annotation.RetentionPolicy.SOURCE;
 
 import android.text.TextUtils;
@@ -29,6 +30,7 @@ import com.google.common.collect.Iterables;
 import com.google.common.collect.Sets;
 import java.lang.annotation.Documented;
 import java.lang.annotation.Retention;
+import java.lang.annotation.Target;
 import java.util.Set;
 import java.util.regex.Pattern;
 
@@ -41,6 +43,7 @@ import java.util.regex.Pattern;
 
   @Documented
   @Retention(SOURCE)
+  @Target(TYPE_USE)
   @IntDef({
     TextEmphasisSpan.MARK_SHAPE_NONE,
     TextEmphasisSpan.MARK_SHAPE_CIRCLE,
@@ -58,6 +61,7 @@ import java.util.regex.Pattern;
 
   @Documented
   @Retention(SOURCE)
+  @Target(TYPE_USE)
   @IntDef({
     TextAnnotation.POSITION_UNKNOWN,
     TextAnnotation.POSITION_BEFORE,

library/extractor/src/main/java/com/google/android/exoplayer2/text/ttml/TtmlStyle.java

@@ -15,6 +15,8 @@
  */
 package com.google.android.exoplayer2.text.ttml;
 
+import static java.lang.annotation.ElementType.TYPE_USE;
+
 import android.graphics.Typeface;
 import android.text.Layout;
 import androidx.annotation.IntDef;
@@ -23,6 +25,7 @@ import com.google.android.exoplayer2.text.span.TextAnnotation;
 import java.lang.annotation.Documented;
 import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
 
 /** Style object of a <code>TtmlNode</code> */
 /* package */ final class TtmlStyle {
@@ -32,6 +35,7 @@ import java.lang.annotation.RetentionPolicy;
 
   @Documented
   @Retention(RetentionPolicy.SOURCE)
+  @Target(TYPE_USE)
   @IntDef(
       flag = true,
       value = {UNSPECIFIED, STYLE_NORMAL, STYLE_BOLD, STYLE_ITALIC, STYLE_BOLD_ITALIC})
@@ -44,6 +48,7 @@ import java.lang.annotation.RetentionPolicy;
 
   @Documented
   @Retention(RetentionPolicy.SOURCE)
+  @Target(TYPE_USE)
   @IntDef({UNSPECIFIED, FONT_SIZE_UNIT_PIXEL, FONT_SIZE_UNIT_EM, FONT_SIZE_UNIT_PERCENT})
   public @interface FontSizeUnit {}
 
@@ -53,6 +58,7 @@ import java.lang.annotation.RetentionPolicy;
 
   @Documented
   @Retention(RetentionPolicy.SOURCE)
+  @Target(TYPE_USE)
   @IntDef({UNSPECIFIED, OFF, ON})
   private @interface OptionalBoolean {}
 
@@ -61,6 +67,7 @@ import java.lang.annotation.RetentionPolicy;
 
   @Documented
   @Retention(RetentionPolicy.SOURCE)
+  @Target(TYPE_USE)
   @IntDef({UNSPECIFIED, RUBY_TYPE_CONTAINER, RUBY_TYPE_BASE, RUBY_TYPE_TEXT, RUBY_TYPE_DELIMITER})
   public @interface RubyType {}
 

library/extractor/src/main/java/com/google/android/exoplayer2/text/webvtt/WebvttCssStyle.java

@@ -15,6 +15,8 @@
  */
 package com.google.android.exoplayer2.text.webvtt;
 
+import static java.lang.annotation.ElementType.TYPE_USE;
+
 import android.graphics.Typeface;
 import android.text.TextUtils;
 import androidx.annotation.ColorInt;
@@ -25,6 +27,7 @@ import com.google.common.base.Ascii;
 import java.lang.annotation.Documented;
 import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
 import java.util.Arrays;
 import java.util.Collections;
 import java.util.HashSet;
@@ -71,6 +74,7 @@ public final class WebvttCssStyle {
 
   @Documented
   @Retention(RetentionPolicy.SOURCE)
+  @Target(TYPE_USE)
   @IntDef({UNSPECIFIED, OFF, ON})
   private @interface OptionalBoolean {}
 

library/extractor/src/main/java/com/google/android/exoplayer2/text/webvtt/WebvttCueParser.java

@@ -16,6 +16,7 @@
 package com.google.android.exoplayer2.text.webvtt;
 
 import static java.lang.Math.min;
+import static java.lang.annotation.ElementType.TYPE_USE;
 import static java.lang.annotation.RetentionPolicy.SOURCE;
 
 import android.graphics.Color;
@@ -46,6 +47,7 @@ import com.google.android.exoplayer2.util.ParsableByteArray;
 import com.google.android.exoplayer2.util.Util;
 import java.lang.annotation.Documented;
 import java.lang.annotation.Retention;
+import java.lang.annotation.Target;
 import java.util.ArrayDeque;
 import java.util.ArrayList;
 import java.util.Collections;
@@ -74,6 +76,7 @@ public final class WebvttCueParser {
    */
   @Documented
   @Retention(SOURCE)
+  @Target(TYPE_USE)
   @IntDef({
     TEXT_ALIGNMENT_START,
     TEXT_ALIGNMENT_CENTER,

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

@@ -17,6 +17,7 @@ package com.google.android.exoplayer2.source.hls;
 
 import static com.google.android.exoplayer2.util.Assertions.checkNotNull;
 import static java.lang.Math.max;
+import static java.lang.annotation.ElementType.TYPE_USE;
 
 import android.net.Uri;
 import android.os.SystemClock;
@@ -50,8 +51,10 @@ import com.google.common.collect.ImmutableList;
 import com.google.common.collect.Iterables;
 import com.google.common.primitives.Ints;
 import java.io.IOException;
+import java.lang.annotation.Documented;
 import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.Collections;
@@ -89,6 +92,8 @@ import org.checkerframework.checker.nullness.qual.MonotonicNonNull;
    * Chunk publication state. One of {@link #CHUNK_PUBLICATION_STATE_PRELOAD}, {@link
    * #CHUNK_PUBLICATION_STATE_PUBLISHED}, {@link #CHUNK_PUBLICATION_STATE_REMOVED}.
    */
+  @Documented
+  @Target(TYPE_USE)
   @IntDef({
     CHUNK_PUBLICATION_STATE_PRELOAD,
     CHUNK_PUBLICATION_STATE_PUBLISHED,

library/rtsp/src/main/java/com/google/android/exoplayer2/source/rtsp/RtspAuthenticationInfo.java

@@ -15,14 +15,18 @@
  */
 package com.google.android.exoplayer2.source.rtsp;
 
+import static java.lang.annotation.ElementType.TYPE_USE;
+
 import android.net.Uri;
 import android.util.Base64;
 import androidx.annotation.IntDef;
 import com.google.android.exoplayer2.ParserException;
 import com.google.android.exoplayer2.source.rtsp.RtspMessageUtil.RtspAuthUserInfo;
 import com.google.android.exoplayer2.util.Util;
+import java.lang.annotation.Documented;
 import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
 import java.security.MessageDigest;
 import java.security.NoSuchAlgorithmException;
 
@@ -30,7 +34,9 @@ import java.security.NoSuchAlgorithmException;
 /* package */ final class RtspAuthenticationInfo {
 
   /** The supported authentication methods. */
+  @Documented
   @Retention(RetentionPolicy.SOURCE)
+  @Target(TYPE_USE)
   @IntDef({BASIC, DIGEST})
   @interface AuthenticationMechanism {}
 

library/rtsp/src/main/java/com/google/android/exoplayer2/source/rtsp/RtspClient.java

@@ -35,6 +35,7 @@ import static com.google.android.exoplayer2.util.Assertions.checkState;
 import static com.google.android.exoplayer2.util.Assertions.checkStateNotNull;
 import static com.google.common.base.Strings.nullToEmpty;
 import static java.lang.Math.max;
+import static java.lang.annotation.ElementType.TYPE_USE;
 
 import android.net.Uri;
 import android.os.Handler;
@@ -61,6 +62,7 @@ import java.io.IOException;
 import java.lang.annotation.Documented;
 import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
 import java.net.Socket;
 import java.util.ArrayDeque;
 import java.util.HashMap;
@@ -78,6 +80,7 @@ import org.checkerframework.checker.nullness.qual.MonotonicNonNull;
    */
   @Documented
   @Retention(RetentionPolicy.SOURCE)
+  @Target(TYPE_USE)
   @IntDef({RTSP_STATE_UNINITIALIZED, RTSP_STATE_INIT, RTSP_STATE_READY, RTSP_STATE_PLAYING})
   public @interface RtspState {}
   /** RTSP uninitialized state, the state before sending any SETUP request. */

library/rtsp/src/main/java/com/google/android/exoplayer2/source/rtsp/RtspMessageChannel.java

@@ -19,6 +19,7 @@ import static com.google.android.exoplayer2.source.rtsp.RtspMessageUtil.isRtspSt
 import static com.google.android.exoplayer2.util.Assertions.checkArgument;
 import static com.google.android.exoplayer2.util.Assertions.checkState;
 import static com.google.android.exoplayer2.util.Assertions.checkStateNotNull;
+import static java.lang.annotation.ElementType.TYPE_USE;
 
 import android.os.Handler;
 import android.os.HandlerThread;
@@ -42,6 +43,7 @@ import java.io.OutputStream;
 import java.lang.annotation.Documented;
 import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
 import java.net.Socket;
 import java.nio.charset.Charset;
 import java.util.ArrayList;
@@ -339,6 +341,7 @@ import org.checkerframework.checker.nullness.qual.MonotonicNonNull;
 
     @Documented
     @Retention(RetentionPolicy.SOURCE)
+    @Target(TYPE_USE)
     @IntDef({STATE_READING_FIRST_LINE, STATE_READING_HEADER, STATE_READING_BODY})
     @interface ReadingState {}
 

library/rtsp/src/main/java/com/google/android/exoplayer2/source/rtsp/RtspRequest.java

@@ -16,11 +16,14 @@
 
 package com.google.android.exoplayer2.source.rtsp;
 
+import static java.lang.annotation.ElementType.TYPE_USE;
+
 import android.net.Uri;
 import androidx.annotation.IntDef;
 import java.lang.annotation.Documented;
 import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
 
 /** Represents an RTSP request. */
 /* package */ final class RtspRequest {
@@ -47,6 +50,7 @@ import java.lang.annotation.RetentionPolicy;
    */
   @Documented
   @Retention(RetentionPolicy.SOURCE)
+  @Target(TYPE_USE)
   @IntDef(
       value = {
         METHOD_UNSET,

testutils/src/main/java/com/google/android/exoplayer2/testutil/DumpFileAsserts.java

@@ -16,6 +16,7 @@
 package com.google.android.exoplayer2.testutil;
 
 import static com.google.common.truth.Truth.assertWithMessage;
+import static java.lang.annotation.ElementType.TYPE_USE;
 
 import android.content.Context;
 import androidx.annotation.IntDef;
@@ -28,6 +29,7 @@ import java.io.PrintWriter;
 import java.lang.annotation.Documented;
 import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
 
 /**
  * Helper class to enable assertions based on golden-data dump files.
@@ -51,6 +53,7 @@ public class DumpFileAsserts {
   /** Possible actions to take with the dumps passed to {@link #assertOutput}. */
   @Documented
   @Retention(RetentionPolicy.SOURCE)
+  @Target(TYPE_USE)
   @IntDef(
       flag = true,
       value = {COMPARE_WITH_EXISTING, WRITE_TO_LOCAL, WRITE_TO_DEVICE})

testutils/src/main/java/com/google/android/exoplayer2/testutil/WebServerDispatcher.java

@@ -21,6 +21,7 @@ import static com.google.android.exoplayer2.util.Assertions.checkNotNull;
 import static com.google.android.exoplayer2.util.Assertions.checkState;
 import static java.lang.Math.max;
 import static java.lang.Math.min;
+import static java.lang.annotation.ElementType.TYPE_USE;
 
 import android.util.Pair;
 import androidx.annotation.IntDef;
@@ -33,6 +34,7 @@ import com.google.common.collect.Maps;
 import java.lang.annotation.Documented;
 import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
 import java.util.Arrays;
 import java.util.List;
 import java.util.regex.Matcher;
@@ -66,6 +68,7 @@ public class WebServerDispatcher extends Dispatcher {
      */
     @Documented
     @Retention(RetentionPolicy.SOURCE)
+    @Target(TYPE_USE)
     @IntDef({GZIP_SUPPORT_DISABLED, GZIP_SUPPORT_ENABLED, GZIP_SUPPORT_FORCED})
     private @interface GzipSupport {}