225 lines
8.9 KiB
Java
225 lines
8.9 KiB
Java
package org.schabi.newpipe.util.image;
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import static org.schabi.newpipe.MainActivity.DEBUG;
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import static org.schabi.newpipe.extractor.utils.Utils.isNullOrEmpty;
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import static org.schabi.newpipe.util.image.ImageStrategy.choosePreferredImage;
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import android.annotation.SuppressLint;
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import android.content.Context;
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import android.graphics.Bitmap;
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import android.util.Log;
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import androidx.annotation.DrawableRes;
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import androidx.annotation.NonNull;
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import androidx.annotation.Nullable;
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import androidx.core.graphics.BitmapCompat;
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import com.squareup.picasso.Cache;
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import com.squareup.picasso.LruCache;
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import com.squareup.picasso.OkHttp3Downloader;
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import com.squareup.picasso.Picasso;
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import com.squareup.picasso.RequestCreator;
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import com.squareup.picasso.Transformation;
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import org.schabi.newpipe.R;
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import org.schabi.newpipe.extractor.Image;
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import java.io.File;
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import java.io.IOException;
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import java.util.List;
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import java.util.concurrent.TimeUnit;
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import okhttp3.OkHttpClient;
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public final class PicassoHelper {
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private static final String TAG = PicassoHelper.class.getSimpleName();
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private static final String PLAYER_THUMBNAIL_TRANSFORMATION_KEY =
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"PICASSO_PLAYER_THUMBNAIL_TRANSFORMATION_KEY";
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private PicassoHelper() {
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}
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private static Cache picassoCache;
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private static OkHttpClient picassoDownloaderClient;
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// suppress because terminate() is called in App.onTerminate(), preventing leaks
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@SuppressLint("StaticFieldLeak")
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private static Picasso picassoInstance;
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public static void init(final Context context) {
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picassoCache = new LruCache(10 * 1024 * 1024);
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picassoDownloaderClient = new OkHttpClient.Builder()
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.cache(new okhttp3.Cache(new File(context.getExternalCacheDir(), "picasso"),
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50L * 1024L * 1024L))
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// this should already be the default timeout in OkHttp3, but just to be sure...
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.callTimeout(15, TimeUnit.SECONDS)
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.build();
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picassoInstance = new Picasso.Builder(context)
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.memoryCache(picassoCache) // memory cache
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.downloader(new OkHttp3Downloader(picassoDownloaderClient)) // disk cache
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.defaultBitmapConfig(Bitmap.Config.RGB_565)
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.build();
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}
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public static void terminate() {
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picassoCache = null;
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picassoDownloaderClient = null;
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if (picassoInstance != null) {
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picassoInstance.shutdown();
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picassoInstance = null;
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}
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}
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public static void clearCache(final Context context) throws IOException {
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picassoInstance.shutdown();
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picassoCache.clear(); // clear memory cache
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final okhttp3.Cache diskCache = picassoDownloaderClient.cache();
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if (diskCache != null) {
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diskCache.delete(); // clear disk cache
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}
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init(context);
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}
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public static void cancelTag(final Object tag) {
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picassoInstance.cancelTag(tag);
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}
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public static void setIndicatorsEnabled(final boolean enabled) {
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picassoInstance.setIndicatorsEnabled(enabled); // useful for debugging
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}
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public static RequestCreator loadAvatar(@NonNull final List<Image> images) {
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return loadImageDefault(images, R.drawable.placeholder_person);
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}
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public static RequestCreator loadAvatar(@Nullable final String url) {
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return loadImageDefault(url, R.drawable.placeholder_person);
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}
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public static RequestCreator loadThumbnail(@NonNull final List<Image> images) {
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return loadImageDefault(images, R.drawable.placeholder_thumbnail_video);
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}
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public static RequestCreator loadThumbnail(@Nullable final String url) {
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return loadImageDefault(url, R.drawable.placeholder_thumbnail_video);
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}
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public static RequestCreator loadDetailsThumbnail(@NonNull final List<Image> images) {
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return loadImageDefault(choosePreferredImage(images),
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R.drawable.placeholder_thumbnail_video, false);
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}
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public static RequestCreator loadBanner(@NonNull final List<Image> images) {
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return loadImageDefault(images, R.drawable.placeholder_channel_banner);
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}
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public static RequestCreator loadPlaylistThumbnail(@NonNull final List<Image> images) {
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return loadImageDefault(images, R.drawable.placeholder_thumbnail_playlist);
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}
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public static RequestCreator loadPlaylistThumbnail(@Nullable final String url) {
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return loadImageDefault(url, R.drawable.placeholder_thumbnail_playlist);
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}
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public static RequestCreator loadSeekbarThumbnailPreview(@Nullable final String url) {
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return picassoInstance.load(url);
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}
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public static RequestCreator loadNotificationIcon(@Nullable final String url) {
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return loadImageDefault(url, R.drawable.ic_newpipe_triangle_white);
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}
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public static RequestCreator loadScaledDownThumbnail(final Context context,
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@NonNull final List<Image> images) {
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// scale down the notification thumbnail for performance
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return PicassoHelper.loadThumbnail(images)
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.transform(new Transformation() {
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@Override
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public Bitmap transform(final Bitmap source) {
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if (DEBUG) {
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Log.d(TAG, "Thumbnail - transform() called");
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}
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final float notificationThumbnailWidth = Math.min(
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context.getResources()
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.getDimension(R.dimen.player_notification_thumbnail_width),
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source.getWidth());
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final Bitmap result = BitmapCompat.createScaledBitmap(
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source,
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(int) notificationThumbnailWidth,
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(int) (source.getHeight()
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/ (source.getWidth() / notificationThumbnailWidth)),
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null,
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true);
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if (result == source || !result.isMutable()) {
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// create a new mutable bitmap to prevent strange crashes on some
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// devices (see #4638)
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final Bitmap copied = BitmapCompat.createScaledBitmap(
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source,
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(int) notificationThumbnailWidth - 1,
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(int) (source.getHeight() / (source.getWidth()
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/ (notificationThumbnailWidth - 1))),
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null,
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true);
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source.recycle();
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return copied;
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} else {
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source.recycle();
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return result;
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}
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}
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@Override
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public String key() {
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return PLAYER_THUMBNAIL_TRANSFORMATION_KEY;
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}
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});
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}
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@Nullable
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public static Bitmap getImageFromCacheIfPresent(@NonNull final String imageUrl) {
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// URLs in the internal cache finish with \n so we need to add \n to image URLs
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return picassoCache.get(imageUrl + "\n");
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}
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private static RequestCreator loadImageDefault(@NonNull final List<Image> images,
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@DrawableRes final int placeholderResId) {
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return loadImageDefault(choosePreferredImage(images), placeholderResId);
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}
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private static RequestCreator loadImageDefault(@Nullable final String url,
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@DrawableRes final int placeholderResId) {
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return loadImageDefault(url, placeholderResId, true);
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}
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private static RequestCreator loadImageDefault(@Nullable final String url,
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@DrawableRes final int placeholderResId,
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final boolean showPlaceholderWhileLoading) {
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// if the URL was chosen with `choosePreferredImage` it will be null, but check again
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// `shouldLoadImages` in case the URL was chosen with `imageListToDbUrl` (which is the case
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// for URLs stored in the database)
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if (isNullOrEmpty(url) || !ImageStrategy.shouldLoadImages()) {
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return picassoInstance
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.load((String) null)
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.placeholder(placeholderResId) // show placeholder when no image should load
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.error(placeholderResId);
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} else {
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final RequestCreator requestCreator = picassoInstance
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.load(url)
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.error(placeholderResId);
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if (showPlaceholderWhileLoading) {
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requestCreator.placeholder(placeholderResId);
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}
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return requestCreator;
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}
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}
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}
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