diff options
| -rw-r--r-- | media/java/android/media/MediaScanner.java | 92 |
1 files changed, 58 insertions, 34 deletions
diff --git a/media/java/android/media/MediaScanner.java b/media/java/android/media/MediaScanner.java index a08d6c3..a8144a7 100644 --- a/media/java/android/media/MediaScanner.java +++ b/media/java/android/media/MediaScanner.java @@ -1396,6 +1396,7 @@ public class MediaScanner } mMtpObjectHandle = objectHandle; + Cursor fileList = null; try { if (MediaFile.isPlayListFileType(fileType)) { // build file cache so we can look up tracks in the playlist @@ -1403,7 +1404,9 @@ public class MediaScanner FileEntry entry = makeEntryFor(path); if (entry != null) { - processPlayList(entry); + fileList = mMediaProvider.query(mFilesUri, FILES_PRESCAN_PROJECTION, + null, null, null, null); + processPlayList(entry, fileList); } } else { // MTP will create a file entry for us so we don't want to do it in prescan @@ -1417,6 +1420,9 @@ public class MediaScanner Log.e(TAG, "RemoteException in MediaScanner.scanFile()", e); } finally { mMtpObjectHandle = 0; + if (fileList != null) { + fileList.close(); + } } } @@ -1479,7 +1485,7 @@ public class MediaScanner } private boolean addPlayListEntry(String entry, String playListDirectory, - Uri uri, ContentValues values, int index) { + Uri uri, ContentValues values, int index, Cursor fileList) { // watch for trailing whitespace int entryLength = entry.length(); @@ -1506,19 +1512,20 @@ public class MediaScanner // number of rightmost file/directory names for bestMatch int bestMatchLength = 0; - Cursor c = null; - try { - c = mMediaProvider.query(mFilesUri, FILES_PRESCAN_PROJECTION, - null, null, null, null); - } catch (RemoteException e1) { - } - - if (c != null) { - while (c.moveToNext()) { - long rowId = c.getLong(FILES_PRESCAN_ID_COLUMN_INDEX); - String path = c.getString(FILES_PRESCAN_PATH_COLUMN_INDEX); - int format = c.getInt(FILES_PRESCAN_FORMAT_COLUMN_INDEX); - long lastModified = c.getLong(FILES_PRESCAN_DATE_MODIFIED_COLUMN_INDEX); + if (fileList != null) { + int count = fileList.getCount(); + // Backing up a little in the cursor helps when the files in the + // playlist are not in the same order as they are in the database + // but are still close. + fileList.move(-1000); + while(--count >= 0) { + if (!fileList.moveToNext()) { + fileList.moveToFirst(); + } + long rowId = fileList.getLong(FILES_PRESCAN_ID_COLUMN_INDEX); + String path = fileList.getString(FILES_PRESCAN_PATH_COLUMN_INDEX); + int format = fileList.getInt(FILES_PRESCAN_FORMAT_COLUMN_INDEX); + long lastModified = fileList.getLong(FILES_PRESCAN_DATE_MODIFIED_COLUMN_INDEX); if (path.equalsIgnoreCase(entry)) { bestMatch = new FileEntry(rowId, path, lastModified, format); @@ -1531,7 +1538,6 @@ public class MediaScanner bestMatchLength = matchLength; } } - c.close(); } if (bestMatch == null) { @@ -1541,7 +1547,7 @@ public class MediaScanner try { // check rowid is set. Rowid may be missing if it is inserted by bulkInsert(). if (bestMatch.mRowId == 0) { - c = mMediaProvider.query(mAudioUri, ID_PROJECTION, + Cursor c = mMediaProvider.query(mAudioUri, ID_PROJECTION, MediaStore.Files.FileColumns.DATA + "=?", new String[] { bestMatch.mPath }, null, null); if (c != null) { @@ -1567,7 +1573,8 @@ public class MediaScanner return true; } - private void processM3uPlayList(String path, String playListDirectory, Uri uri, ContentValues values) { + private void processM3uPlayList(String path, String playListDirectory, Uri uri, + ContentValues values, Cursor fileList) { BufferedReader reader = null; try { File f = new File(path); @@ -1580,7 +1587,7 @@ public class MediaScanner // ignore comment lines, which begin with '#' if (line.length() > 0 && line.charAt(0) != '#') { values.clear(); - if (addPlayListEntry(line, playListDirectory, uri, values, index)) + if (addPlayListEntry(line, playListDirectory, uri, values, index, fileList)) index++; } line = reader.readLine(); @@ -1598,7 +1605,8 @@ public class MediaScanner } } - private void processPlsPlayList(String path, String playListDirectory, Uri uri, ContentValues values) { + private void processPlsPlayList(String path, String playListDirectory, Uri uri, + ContentValues values, Cursor fileList) { BufferedReader reader = null; try { File f = new File(path); @@ -1613,7 +1621,8 @@ public class MediaScanner int equals = line.indexOf('='); if (equals > 0) { values.clear(); - if (addPlayListEntry(line.substring(equals + 1), playListDirectory, uri, values, index)) + if (addPlayListEntry(line.substring(equals + 1), playListDirectory, + uri, values, index, fileList)) index++; } } @@ -1637,12 +1646,14 @@ public class MediaScanner final ContentHandler handler; String playListDirectory; Uri uri; + Cursor fileList; ContentValues values = new ContentValues(); int index = 0; - public WplHandler(String playListDirectory, Uri uri) { + public WplHandler(String playListDirectory, Uri uri, Cursor fileList) { this.playListDirectory = playListDirectory; this.uri = uri; + this.fileList = fileList; RootElement root = new RootElement("smil"); Element body = root.getChild("body"); @@ -1653,11 +1664,12 @@ public class MediaScanner this.handler = root.getContentHandler(); } + @Override public void start(Attributes attributes) { String path = attributes.getValue("", "src"); if (path != null) { values.clear(); - if (addPlayListEntry(path, playListDirectory, uri, values, index)) { + if (addPlayListEntry(path, playListDirectory, uri, values, index, fileList)) { index++; } } @@ -1671,14 +1683,16 @@ public class MediaScanner } } - private void processWplPlayList(String path, String playListDirectory, Uri uri) { + private void processWplPlayList(String path, String playListDirectory, Uri uri, + Cursor fileList) { FileInputStream fis = null; try { File f = new File(path); if (f.exists()) { fis = new FileInputStream(f); - Xml.parse(fis, Xml.findEncodingByName("UTF-8"), new WplHandler(playListDirectory, uri).getContentHandler()); + Xml.parse(fis, Xml.findEncodingByName("UTF-8"), + new WplHandler(playListDirectory, uri, fileList).getContentHandler()); } } catch (SAXException e) { e.printStackTrace(); @@ -1694,7 +1708,7 @@ public class MediaScanner } } - private void processPlayList(FileEntry entry) throws RemoteException { + private void processPlayList(FileEntry entry, Cursor fileList) throws RemoteException { String path = entry.mPath; ContentValues values = new ContentValues(); int lastSlash = path.lastIndexOf('/'); @@ -1736,21 +1750,31 @@ public class MediaScanner int fileType = (mediaFileType == null ? 0 : mediaFileType.fileType); if (fileType == MediaFile.FILE_TYPE_M3U) { - processM3uPlayList(path, playListDirectory, membersUri, values); + processM3uPlayList(path, playListDirectory, membersUri, values, fileList); } else if (fileType == MediaFile.FILE_TYPE_PLS) { - processPlsPlayList(path, playListDirectory, membersUri, values); + processPlsPlayList(path, playListDirectory, membersUri, values, fileList); } else if (fileType == MediaFile.FILE_TYPE_WPL) { - processWplPlayList(path, playListDirectory, membersUri); + processWplPlayList(path, playListDirectory, membersUri, fileList); } } private void processPlayLists() throws RemoteException { Iterator<FileEntry> iterator = mPlayLists.iterator(); - while (iterator.hasNext()) { - FileEntry entry = iterator.next(); - // only process playlist files if they are new or have been modified since the last scan - if (entry.mLastModifiedChanged) { - processPlayList(entry); + Cursor fileList = null; + try { + fileList = mMediaProvider.query(mFilesUri, FILES_PRESCAN_PROJECTION, + null, null, null, null); + while (iterator.hasNext()) { + FileEntry entry = iterator.next(); + // only process playlist files if they are new or have been modified since the last scan + if (entry.mLastModifiedChanged) { + processPlayList(entry, fileList); + } + } + } catch (RemoteException e1) { + } finally { + if (fileList != null) { + fileList.close(); } } } |