DefaultDownloaderFactory: upgrade deprecated call

Replace the use of Downloader deprecrated constructor calls.

PiperOrigin-RevId: 322357118

library/core/proguard-rules.txt

@@ -51,15 +51,15 @@
 # Constructors accessed via reflection in DefaultDownloaderFactory
 -dontnote com.google.android.exoplayer2.source.dash.offline.DashDownloader
 -keepclassmembers class com.google.android.exoplayer2.source.dash.offline.DashDownloader {
-  <init>(android.net.Uri, java.util.List, com.google.android.exoplayer2.upstream.cache.CacheDataSource$Factory, java.util.concurrent.Executor);
+  <init>(com.google.android.exoplayer2.MediaItem, com.google.android.exoplayer2.upstream.cache.CacheDataSource$Factory, java.util.concurrent.Executor);
 }
 -dontnote com.google.android.exoplayer2.source.hls.offline.HlsDownloader
 -keepclassmembers class com.google.android.exoplayer2.source.hls.offline.HlsDownloader {
-  <init>(android.net.Uri, java.util.List, com.google.android.exoplayer2.upstream.cache.CacheDataSource$Factory, java.util.concurrent.Executor);
+  <init>(com.google.android.exoplayer2.MediaItem, com.google.android.exoplayer2.upstream.cache.CacheDataSource$Factory, java.util.concurrent.Executor);
 }
 -dontnote com.google.android.exoplayer2.source.smoothstreaming.offline.SsDownloader
 -keepclassmembers class com.google.android.exoplayer2.source.smoothstreaming.offline.SsDownloader {
-  <init>(android.net.Uri, java.util.List, com.google.android.exoplayer2.upstream.cache.CacheDataSource$Factory, java.util.concurrent.Executor);
+  <init>(com.google.android.exoplayer2.MediaItem, com.google.android.exoplayer2.upstream.cache.CacheDataSource$Factory, java.util.concurrent.Executor);
 }
 
 # Constructors accessed via reflection in DefaultMediaSourceFactory

library/core/src/main/java/com/google/android/exoplayer2/offline/DefaultDownloadIndex.java

@@ -304,6 +304,8 @@ public final class DefaultDownloadIndex implements WritableDownloadIndex {
   }
 
   private void putDownloadInternal(Download download, SQLiteDatabase database) {
+    byte[] keySetId =
+        download.request.keySetId == null ? Util.EMPTY_BYTE_ARRAY : download.request.keySetId;
     ContentValues values = new ContentValues();
     values.put(COLUMN_ID, download.request.id);
     values.put(COLUMN_MIME_TYPE, download.request.mimeType);
@@ -319,7 +321,7 @@ public final class DefaultDownloadIndex implements WritableDownloadIndex {
     values.put(COLUMN_FAILURE_REASON, download.failureReason);
     values.put(COLUMN_PERCENT_DOWNLOADED, download.getPercentDownloaded());
     values.put(COLUMN_BYTES_DOWNLOADED, download.getBytesDownloaded());
-    values.put(COLUMN_KEY_SET_ID, download.request.keySetId);
+    values.put(COLUMN_KEY_SET_ID, keySetId);
     database.replaceOrThrow(tableName, /* nullColumnHack= */ null, values);
   }
 
@@ -430,13 +432,14 @@ public final class DefaultDownloadIndex implements WritableDownloadIndex {
   }
 
   private static Download getDownloadForCurrentRow(Cursor cursor) {
+    byte[] keySetId = cursor.getBlob(COLUMN_INDEX_KEY_SET_ID);
     DownloadRequest request =
         new DownloadRequest(
             /* id= */ cursor.getString(COLUMN_INDEX_ID),
             /* uri= */ Uri.parse(cursor.getString(COLUMN_INDEX_URI)),
             /* mimeType= */ cursor.getString(COLUMN_INDEX_MIME_TYPE),
             /* streamKeys= */ decodeStreamKeys(cursor.getString(COLUMN_INDEX_STREAM_KEYS)),
-            /* keySetId= */ cursor.getBlob(COLUMN_INDEX_KEY_SET_ID),
+            /* keySetId= */ keySetId.length > 0 ? keySetId : null,
             /* customCacheKey= */ cursor.getString(COLUMN_INDEX_CUSTOM_CACHE_KEY),
             /* data= */ cursor.getBlob(COLUMN_INDEX_DATA));
     DownloadProgress downloadProgress = new DownloadProgress();

library/core/src/main/java/com/google/android/exoplayer2/offline/DefaultDownloaderFactory.java

@@ -15,7 +15,6 @@
  */
 package com.google.android.exoplayer2.offline;
 
-import android.net.Uri;
 import android.util.SparseArray;
 import androidx.annotation.Nullable;
 import com.google.android.exoplayer2.C;
@@ -24,7 +23,6 @@ import com.google.android.exoplayer2.upstream.cache.CacheDataSource;
 import com.google.android.exoplayer2.util.Assertions;
 import com.google.android.exoplayer2.util.Util;
 import java.lang.reflect.Constructor;
-import java.util.List;
 import java.util.concurrent.Executor;
 
 /**
@@ -95,9 +93,15 @@ public class DefaultDownloaderFactory implements DownloaderFactory {
     if (constructor == null) {
       throw new IllegalStateException("Module missing for content type " + contentType);
     }
+    MediaItem mediaItem =
+        new MediaItem.Builder()
+            .setUri(request.uri)
+            .setStreamKeys(request.streamKeys)
+            .setCustomCacheKey(request.customCacheKey)
+            .setDrmKeySetId(request.keySetId)
+            .build();
     try {
-      return constructor.newInstance(
-          request.uri, request.streamKeys, cacheDataSourceFactory, executor);
+      return constructor.newInstance(mediaItem, cacheDataSourceFactory, executor);
     } catch (Exception e) {
       throw new IllegalStateException(
           "Failed to instantiate downloader for content type " + contentType);
@@ -140,7 +144,7 @@ public class DefaultDownloaderFactory implements DownloaderFactory {
     try {
       return clazz
           .asSubclass(Downloader.class)
-          .getConstructor(Uri.class, List.class, CacheDataSource.Factory.class, Executor.class);
+          .getConstructor(MediaItem.class, CacheDataSource.Factory.class, Executor.class);
     } catch (NoSuchMethodException e) {
       // The downloader is present, but the expected constructor is missing.
       throw new IllegalStateException("Downloader constructor missing", e);

library/core/src/main/java/com/google/android/exoplayer2/offline/DownloadRequest.java

@@ -48,11 +48,8 @@ public final class DownloadRequest implements Parcelable {
   @Nullable public final String mimeType;
   /** Stream keys to be downloaded. If empty, all streams will be downloaded. */
   public final List<StreamKey> streamKeys;
-  /**
-   * The key set id of the offline licence if the content is protected with DRM, or empty if no
-   * license is needed.
-   */
-  public final byte[] keySetId;
+  /** The key set id of the offline licence if the content is protected with DRM. */
+  @Nullable public final byte[] keySetId;
   /**
    * Custom key for cache indexing, or null. Must be null for DASH, HLS and SmoothStreaming
    * downloads.
@@ -88,8 +85,7 @@ public final class DownloadRequest implements Parcelable {
     ArrayList<StreamKey> mutableKeys = new ArrayList<>(streamKeys);
     Collections.sort(mutableKeys);
     this.streamKeys = Collections.unmodifiableList(mutableKeys);
-    this.keySetId =
-        keySetId != null ? Arrays.copyOf(keySetId, keySetId.length) : Util.EMPTY_BYTE_ARRAY;
+    this.keySetId = keySetId != null ? Arrays.copyOf(keySetId, keySetId.length) : null;
     this.customCacheKey = customCacheKey;
     this.data = data != null ? Arrays.copyOf(data, data.length) : Util.EMPTY_BYTE_ARRAY;
   }
@@ -104,7 +100,7 @@ public final class DownloadRequest implements Parcelable {
       mutableStreamKeys.add(in.readParcelable(StreamKey.class.getClassLoader()));
     }
     streamKeys = Collections.unmodifiableList(mutableStreamKeys);
-    keySetId = castNonNull(in.createByteArray());
+    keySetId = in.createByteArray();
     customCacheKey = in.readString();
     data = castNonNull(in.createByteArray());
   }

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

@@ -41,7 +41,7 @@ public final class DownloadBuilder {
   private Uri uri;
   @Nullable private String mimeType;
   private List<StreamKey> streamKeys;
-  private byte[] keySetId;
+  @Nullable private byte[] keySetId;
   @Nullable private String cacheKey;
   private byte[] customMetadata;
 
@@ -63,7 +63,7 @@ public final class DownloadBuilder {
         Uri.parse("uri"),
         /* mimeType= */ null,
         /* streamKeys= */ Collections.emptyList(),
-        /* keySetId= */ new byte[0],
+        /* keySetId= */ null,
         /* cacheKey= */ null,
         /* customMetadata= */ new byte[0]);
   }
@@ -90,7 +90,7 @@ public final class DownloadBuilder {
       Uri uri,
       @Nullable String mimeType,
       List<StreamKey> streamKeys,
-      byte[] keySetId,
+      @Nullable byte[] keySetId,
       @Nullable String cacheKey,
       byte[] customMetadata) {
     this.id = id;