mirror of https://github.com/TeamNewPipe/NewPipe
97 lines
3.8 KiB
Java
97 lines
3.8 KiB
Java
package org.schabi.newpipe.player.helper;
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import android.content.Context;
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import android.util.Log;
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import com.google.android.exoplayer2.database.StandaloneDatabaseProvider;
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import com.google.android.exoplayer2.upstream.DataSource;
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import com.google.android.exoplayer2.upstream.DefaultDataSource;
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import com.google.android.exoplayer2.upstream.DefaultHttpDataSource;
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import com.google.android.exoplayer2.upstream.FileDataSource;
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import com.google.android.exoplayer2.upstream.TransferListener;
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import com.google.android.exoplayer2.upstream.cache.CacheDataSink;
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import com.google.android.exoplayer2.upstream.cache.CacheDataSource;
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import com.google.android.exoplayer2.upstream.cache.LeastRecentlyUsedCacheEvictor;
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import com.google.android.exoplayer2.upstream.cache.SimpleCache;
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import java.io.File;
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import androidx.annotation.NonNull;
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/* package-private */ class CacheFactory implements DataSource.Factory {
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private static final String TAG = "CacheFactory";
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private static final String CACHE_FOLDER_NAME = "exoplayer";
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private static final int CACHE_FLAGS = CacheDataSource.FLAG_BLOCK_ON_CACHE
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| CacheDataSource.FLAG_IGNORE_CACHE_ON_ERROR;
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private final DataSource.Factory dataSourceFactory;
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private final File cacheDir;
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private final long maxFileSize;
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// Creating cache on every instance may cause problems with multiple players when
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// sources are not ExtractorMediaSource
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// see: https://stackoverflow.com/questions/28700391/using-cache-in-exoplayer
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// todo: make this a singleton?
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private static SimpleCache cache;
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CacheFactory(@NonNull final Context context,
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@NonNull final String userAgent,
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@NonNull final TransferListener transferListener) {
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this(context, userAgent, transferListener, PlayerHelper.getPreferredCacheSize(),
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PlayerHelper.getPreferredFileSize());
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}
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private CacheFactory(@NonNull final Context context,
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@NonNull final String userAgent,
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@NonNull final TransferListener transferListener,
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final long maxCacheSize,
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final long maxFileSize) {
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this.maxFileSize = maxFileSize;
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dataSourceFactory = new DefaultDataSource
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.Factory(context, new DefaultHttpDataSource.Factory().setUserAgent(userAgent))
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.setTransferListener(transferListener);
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cacheDir = new File(context.getExternalCacheDir(), CACHE_FOLDER_NAME);
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if (!cacheDir.exists()) {
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//noinspection ResultOfMethodCallIgnored
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cacheDir.mkdir();
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}
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if (cache == null) {
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final LeastRecentlyUsedCacheEvictor evictor
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= new LeastRecentlyUsedCacheEvictor(maxCacheSize);
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cache = new SimpleCache(cacheDir, evictor, new StandaloneDatabaseProvider(context));
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}
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}
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@NonNull
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@Override
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public DataSource createDataSource() {
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Log.d(TAG, "initExoPlayerCache: cacheDir = " + cacheDir.getAbsolutePath());
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final DataSource dataSource = dataSourceFactory.createDataSource();
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final FileDataSource fileSource = new FileDataSource();
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final CacheDataSink dataSink = new CacheDataSink(cache, maxFileSize);
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return new CacheDataSource(cache, dataSource, fileSource, dataSink, CACHE_FLAGS, null);
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}
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public void tryDeleteCacheFiles() {
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if (!cacheDir.exists() || !cacheDir.isDirectory()) {
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return;
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}
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try {
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for (final File file : cacheDir.listFiles()) {
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final String filePath = file.getAbsolutePath();
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final boolean deleteSuccessful = file.delete();
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Log.d(TAG, "tryDeleteCacheFiles: " + filePath + " deleted = " + deleteSuccessful);
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}
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} catch (final Exception e) {
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Log.e(TAG, "Failed to delete file.", e);
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}
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}
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}
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