vitamio/src/io/vov/vitamio/provider/MediaStore.java
/*
* Copyright (C) 2006 The Android Open Source Project
* Copyright (C) 2013 YIXIA.COM
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package io.vov.vitamio.provider;
import android.content.ContentResolver;
import android.content.ContentUris;
import android.content.Context;
import android.database.Cursor;
import android.database.sqlite.SQLiteException;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.net.Uri;
import android.os.ParcelFileDescriptor;
import android.provider.BaseColumns;
import io.vov.vitamio.utils.Log;
import java.io.FileNotFoundException;
import java.io.IOException;
public final class MediaStore {
public static final String AUTHORITY = "me.abitno.vplayer.mediaprovider";
public static final String MEDIA_SCANNER_VOLUME = "volume";
public static final String CONTENT_AUTHORITY_SLASH = "content://" + AUTHORITY + "/";
public static final Uri CONTENT_URI = Uri.parse(CONTENT_AUTHORITY_SLASH);
private static final String BASE_SQL_FIELDS = MediaColumns._ID + " INTEGER PRIMARY KEY," + //
MediaColumns.DATA + " TEXT NOT NULL," + //
MediaColumns.DIRECTORY + " TEXT NOT NULL," + //
MediaColumns.DIRECTORY_NAME + " TEXT NOT NULL," + //
MediaColumns.SIZE + " INTEGER," + //
MediaColumns.DISPLAY_NAME + " TEXT," + //
MediaColumns.TITLE + " TEXT," + //
MediaColumns.TITLE_KEY + " TEXT," + //
MediaColumns.DATE_ADDED + " INTEGER," + //
MediaColumns.DATE_MODIFIED + " INTEGER," + //
MediaColumns.MIME_TYPE + " TEXT," + //
MediaColumns.AVAILABLE_SIZE + " INTEGER default 0," + //
MediaColumns.PLAY_STATUS + " INTEGER ,";
public static Uri getMediaScannerUri() {
return Uri.parse(CONTENT_AUTHORITY_SLASH + "media_scanner");
}
public static Uri getVolumeUri() {
return Uri.parse(CONTENT_AUTHORITY_SLASH + MEDIA_SCANNER_VOLUME);
}
public interface MediaColumns extends BaseColumns {
public static final String DATA = "_data";
public static final String DIRECTORY = "_directory";
public static final String DIRECTORY_NAME = "_directory_name";
public static final String SIZE = "_size";
public static final String DISPLAY_NAME = "_display_name";
public static final String TITLE = "title";
public static final String TITLE_KEY = "title_key";
public static final String DATE_ADDED = "date_added";
public static final String DATE_MODIFIED = "date_modified";
public static final String MIME_TYPE = "mime_type";
public static final String AVAILABLE_SIZE = "available_size";
public static final String PLAY_STATUS = "play_status";
}
public static final class Audio {
public interface AudioColumns extends MediaColumns {
public static final String DURATION = "duration";
public static final String BOOKMARK = "bookmark";
public static final String ARTIST = "artist";
public static final String COMPOSER = "composer";
public static final String ALBUM = "album";
public static final String TRACK = "track";
public static final String YEAR = "year";
}
public static final class Media implements AudioColumns {
public static final Uri CONTENT_URI = Uri.parse(CONTENT_AUTHORITY_SLASH + "audios/media");
public static final String CONTENT_TYPE = "vnd.android.cursor.dir/audio";
}
}
public static final class Video {
public interface VideoColumns extends MediaColumns {
public static final String DURATION = "duration";
public static final String ARTIST = "artist";
public static final String ALBUM = "album";
public static final String WIDTH = "width";
public static final String HEIGHT = "height";
public static final String DESCRIPTION = "description";
public static final String LANGUAGE = "language";
public static final String LATITUDE = "latitude";
public static final String LONGITUDE = "longitude";
public static final String DATE_TAKEN = "datetaken";
public static final String BOOKMARK = "bookmark";
public static final String MINI_THUMB_MAGIC = "mini_thumb_magic";
public static final String HIDDEN = "hidden";
public static final String SUBTRACK = "sub_track";
public static final String AUDIO_TRACK = "audio_track";
}
public static final class Media implements VideoColumns {
public static final Uri CONTENT_URI = Uri.parse(CONTENT_AUTHORITY_SLASH + "videos/media");
public static final String CONTENT_TYPE = "vnd.android.cursor.dir/video";
protected static final String TABLE_NAME = "videos";
protected static final String SQL_FIELDS = BASE_SQL_FIELDS + //
DURATION + " INTEGER," + //
ARTIST + " TEXT," + //
ALBUM + " TEXT," + //
WIDTH + " INTEGER," + //
HEIGHT + " INTEGER," + //
DESCRIPTION + " TEXT," + //
LANGUAGE + " TEXT," + //
LATITUDE + " DOUBLE," + //
LONGITUDE + " DOUBLE," + //
DATE_TAKEN + " INTEGER," + //
BOOKMARK + " INTEGER," + //
MINI_THUMB_MAGIC + " INTEGER," + //
HIDDEN + " INTEGER default 0," + // 1 hidden , 0 visible
SUBTRACK + " TEXT," + //
AUDIO_TRACK + " INTEGER";
protected static final String SQL_TRIGGER_VIDEO_CLEANUP = "CREATE TRIGGER " + //
"IF NOT EXISTS video_cleanup AFTER DELETE ON " + TABLE_NAME + " " + //
"BEGIN " + //
"SELECT _DELETE_FILE(old._data);" + //
"SELECT _DELETE_FILE(old._data || '.ssi');" + // The cache index
"END";
protected static final String SQL_TRIGGER_VIDEO_UPDATE = "CREATE TRIGGER " + //
"IF NOT EXISTS video_update AFTER UPDATE ON " + TABLE_NAME + " " + //
"WHEN new._data <> old._data " + //
"BEGIN " + //
"SELECT _DELETE_FILE(old._data || '.ssi');" + //
"END";
}
public static class Thumbnails implements BaseColumns {
public static final int MINI_KIND = 1;
public static final int MICRO_KIND = 3;
public static final Uri CONTENT_URI = Uri.parse(CONTENT_AUTHORITY_SLASH + "videos/thumbnails");
public static final String THUMBNAILS_DIRECTORY = "Android/data/me.abitno.vplayer.t/thumbnails";
public static final String DATA = "_data";
public static final String VIDEO_ID = "video_id";
public static final String KIND = "kind";
public static final String WIDTH = "width";
public static final String HEIGHT = "height";
protected static final String TABLE_NAME = "videothumbnails";
protected static final String SQL_FIELDS = _ID + " INTEGER PRIMARY KEY," + //
DATA + " TEXT," + //
VIDEO_ID + " INTEGER," + //
KIND + " INTEGER," + //
WIDTH + " INTEGER," + //
HEIGHT + " INTEGER";
protected static final String SQL_INDEX_VIDEO_ID = "CREATE INDEX IF NOT EXISTS video_id_index on videothumbnails(video_id);";
protected static final String SQL_TRIGGER_VIDEO_THUMBNAILS_CLEANUP = "CREATE TRIGGER " + //
"IF NOT EXISTS videothumbnails_cleanup DELETE ON videothumbnails " + //
"BEGIN " + //
"SELECT _DELETE_FILE(old._data);" + //
"END";
public static void cancelThumbnailRequest(ContentResolver cr, long origId) {
InternalThumbnails.cancelThumbnailRequest(cr, origId, CONTENT_URI, InternalThumbnails.DEFAULT_GROUP_ID);
}
public static Bitmap getThumbnail(Context ctx, ContentResolver cr, long origId, int kind, BitmapFactory.Options options) {
return InternalThumbnails.getThumbnail(ctx, cr, origId, InternalThumbnails.DEFAULT_GROUP_ID, kind, options, CONTENT_URI);
}
public static Bitmap getThumbnail(Context ctx, ContentResolver cr, long origId, long groupId, int kind, BitmapFactory.Options options) {
return InternalThumbnails.getThumbnail(ctx, cr, origId, groupId, kind, options, CONTENT_URI);
}
public static String getThumbnailPath(Context ctx, ContentResolver cr, long origId) {
return InternalThumbnails.getThumbnailPath(ctx, cr, origId, CONTENT_URI);
}
public static void cancelThumbnailRequest(ContentResolver cr, long origId, long groupId) {
InternalThumbnails.cancelThumbnailRequest(cr, origId, CONTENT_URI, groupId);
}
}
}
private static class InternalThumbnails implements BaseColumns {
static final int DEFAULT_GROUP_ID = 0;
private static final int MINI_KIND = 1;
private static final int MICRO_KIND = 3;
private static final String[] PROJECTION = new String[]{_ID, MediaColumns.DATA};
private static final Object sThumbBufLock = new Object();
private static byte[] sThumbBuf;
private static Bitmap getMiniThumbFromFile(Cursor c, Uri baseUri, ContentResolver cr, BitmapFactory.Options options) {
Bitmap bitmap = null;
Uri thumbUri = null;
try {
long thumbId = c.getLong(0);
thumbUri = ContentUris.withAppendedId(baseUri, thumbId);
ParcelFileDescriptor pfdInput = cr.openFileDescriptor(thumbUri, "r");
bitmap = BitmapFactory.decodeFileDescriptor(pfdInput.getFileDescriptor(), null, options);
pfdInput.close();
} catch (FileNotFoundException ex) {
Log.e("getMiniThumbFromFile", ex);
} catch (IOException ex) {
Log.e("getMiniThumbFromFile", ex);
} catch (OutOfMemoryError ex) {
Log.e("getMiniThumbFromFile", ex);
}
return bitmap;
}
static void cancelThumbnailRequest(ContentResolver cr, long origId, Uri baseUri, long groupId) {
Uri cancelUri = baseUri.buildUpon().appendQueryParameter("cancel", "1").appendQueryParameter("orig_id", String.valueOf(origId)).appendQueryParameter("group_id", String.valueOf(groupId)).build();
Cursor c = null;
try {
c = cr.query(cancelUri, PROJECTION, null, null, null);
} finally {
if (c != null)
c.close();
}
}
static String getThumbnailPath(Context ctx, ContentResolver cr, long origId, Uri baseUri) {
String column = "video_id=";
String path = "";
Cursor c = null;
try {
c = cr.query(baseUri, PROJECTION, column + origId, null, null);
if (c != null && c.moveToFirst()) {
path = c.getString(c.getColumnIndex(MediaColumns.DATA));
}
} finally {
if (c != null)
c.close();
}
return path;
}
static Bitmap getThumbnail(Context ctx, ContentResolver cr, long origId, long groupId, int kind, BitmapFactory.Options options, Uri baseUri) {
Bitmap bitmap = null;
MiniThumbFile thumbFile = MiniThumbFile.instance(baseUri);
long magic = thumbFile.getMagic(origId);
if (magic != 0) {
if (kind == MICRO_KIND) {
synchronized (sThumbBufLock) {
if (sThumbBuf == null)
sThumbBuf = new byte[MiniThumbFile.BYTES_PER_MINTHUMB];
if (thumbFile.getMiniThumbFromFile(origId, sThumbBuf) != null) {
bitmap = BitmapFactory.decodeByteArray(sThumbBuf, 0, sThumbBuf.length);
if (bitmap == null)
Log.d("couldn't decode byte array.");
}
}
return bitmap;
} else if (kind == MINI_KIND) {
String column = "video_id=";
Cursor c = null;
try {
c = cr.query(baseUri, PROJECTION, column + origId, null, null);
if (c != null && c.moveToFirst()) {
bitmap = getMiniThumbFromFile(c, baseUri, cr, options);
if (bitmap != null)
return bitmap;
}
} finally {
if (c != null)
c.close();
}
}
}
Cursor c = null;
try {
Uri blockingUri = baseUri.buildUpon().appendQueryParameter("blocking", "1").appendQueryParameter("orig_id", String.valueOf(origId)).appendQueryParameter("group_id", String.valueOf(groupId)).build();
c = cr.query(blockingUri, PROJECTION, null, null, null);
if (c == null)
return null;
if (kind == MICRO_KIND) {
synchronized (sThumbBufLock) {
if (sThumbBuf == null)
sThumbBuf = new byte[MiniThumbFile.BYTES_PER_MINTHUMB];
if (thumbFile.getMiniThumbFromFile(origId, sThumbBuf) != null) {
bitmap = BitmapFactory.decodeByteArray(sThumbBuf, 0, sThumbBuf.length);
if (bitmap == null)
Log.d("couldn't decode byte array.");
}
}
} else if (kind == MINI_KIND) {
if (c.moveToFirst())
bitmap = getMiniThumbFromFile(c, baseUri, cr, options);
} else {
throw new IllegalArgumentException("Unsupported kind: " + kind);
}
} catch (SQLiteException ex) {
Log.e("getThumbnail", ex);
} finally {
if (c != null)
c.close();
}
return bitmap;
}
}
}