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Use backup cache mechanism to play videos split between files

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mhutti1 2018-01-04 21:41:08 +00:00 committed by Isaac Hutt
parent 25a8cb97e1
commit 915bafc549
1 changed files with 20 additions and 0 deletions
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app/src/main/java/org/kiwix/kiwixmobile/ZimContentProvider.java
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@ -49,6 +49,7 @@ import java.util.regex.Matcher;
import java.util.regex.Pattern;
import javax.inject.Inject;
import org.kiwix.kiwixmobile.utils.files.FileUtils;
public class ZimContentProvider extends ContentProvider {
@ -391,11 +392,30 @@ public class ZimContentProvider extends ContentProvider {
// Return a file descriptor of the video within the ZIM file
private ParcelFileDescriptor loadVideo(Uri uri) throws IOException {
Pair pair = currentJNIReader.getDirectAccessInformation(getFilePath(uri));
if (pair.filename == null || !new File(pair.filename).exists()) {
return loadVideoViaCache(uri);
}
RandomAccessFile randomAccessFile = new RandomAccessFile(pair.filename, "r");
randomAccessFile.seek(pair.offset);
return ParcelFileDescriptor.dup(randomAccessFile.getFD());
}
// Backup mechanism to load video files between split ZIM by saving them locally
private ParcelFileDescriptor loadVideoViaCache(Uri uri) throws IOException {
String filePath = getFilePath(uri);
String fileName = uri.toString();
fileName = fileName.substring(fileName.lastIndexOf('/') + 1, fileName.length());
File f = new File(FileUtils.getFileCacheDir(getContext()), fileName);
JNIKiwixString mime = new JNIKiwixString();
JNIKiwixString title = new JNIKiwixString();
JNIKiwixInt size = new JNIKiwixInt();
byte[] data = currentJNIReader.getContent(filePath, title, mime, size);
FileOutputStream out = new FileOutputStream(f);
out.write(data, 0, data.length);
out.flush();
return ParcelFileDescriptor.open(f, ParcelFileDescriptor.MODE_READ_ONLY);
}
@Override
public Cursor query(Uri url, String[] projection, String selection,
String[] selectionArgs, String sort) {