From e9de5431a1a5e9d7808cae45c234bb5cb9fd473a Mon Sep 17 00:00:00 2001
From: trialuser02 <trialuser02@90c681e8-e032-0410-971d-27865f9a5e38>
Date: Sat, 9 Jun 2018 21:00:38 +0000
Subject: continue optimization, fixed memory leak

git-svn-id: http://svn.code.sf.net/p/qmmp-dev/code/trunk/qmmp@8008 90c681e8-e032-0410-971d-27865f9a5e38
---
 src/plugins/Input/flac/decoderflacfactory.cpp | 74 ++++++++++++++++-----------
 1 file changed, 43 insertions(+), 31 deletions(-)

(limited to 'src/plugins/Input/flac/decoderflacfactory.cpp')

diff --git a/src/plugins/Input/flac/decoderflacfactory.cpp b/src/plugins/Input/flac/decoderflacfactory.cpp
index 0c67c7871..bf62307ab 100644
--- a/src/plugins/Input/flac/decoderflacfactory.cpp
+++ b/src/plugins/Input/flac/decoderflacfactory.cpp
@@ -68,13 +68,6 @@ Decoder *DecoderFLACFactory::create(const QString &path, QIODevice *i)
 
 QList<TrackInfo*> DecoderFLACFactory::createPlayList(const QString &path, TrackInfo::Parts parts, QStringList *ignoredFiles)
 {
-    QList <TrackInfo*> list;
-    TagLib::Ogg::XiphComment *tag = 0;
-    TagLib::FLAC::Properties *ap = 0;
-
-    TagLib::FLAC::File *flacFile = 0;
-    TagLib::Ogg::FLAC::File *oggFlacFile = 0;
-
     //extract metadata of the one cue track
     if(path.contains("://"))
     {
@@ -82,7 +75,7 @@ QList<TrackInfo*> DecoderFLACFactory::createPlayList(const QString &path, TrackI
         filePath.remove("flac://");
         filePath.remove(QRegExp("#\\d+$"));
         int track = filePath.section("#", -1).toInt();
-        list = createPlayList(filePath, parts, ignoredFiles);
+        QList<TrackInfo *> list = createPlayList(filePath, TrackInfo::Properties, ignoredFiles);
         if (list.isEmpty() || track <= 0 || track > list.count())
         {
             qDeleteAll(list);
@@ -94,44 +87,65 @@ QList<TrackInfo*> DecoderFLACFactory::createPlayList(const QString &path, TrackI
         return QList<TrackInfo *>() << info;
     }
 
+    TrackInfo *info = new TrackInfo(path);
+
+    if(parts == TrackInfo::NoParts)
+        return QList<TrackInfo *>() << info;
+
+    TagLib::Ogg::XiphComment *tag = 0;
+    TagLib::FLAC::Properties *ap = 0;
+
+    TagLib::FLAC::File *flacFile = 0;
+    TagLib::Ogg::FLAC::File *oggFlacFile = 0;
+
     TagLib::FileStream stream(QStringToFileName(path), true);
 
     if(path.endsWith(".flac", Qt::CaseInsensitive))
     {
         flacFile = new TagLib::FLAC::File(&stream, TagLib::ID3v2::FrameFactory::instance());
-        tag = parts ? flacFile->xiphComment() : 0;
+        tag = flacFile->xiphComment();
         ap = flacFile->audioProperties();
     }
     else if(path.endsWith(".oga", Qt::CaseInsensitive))
     {
         oggFlacFile = new TagLib::Ogg::FLAC::File(&stream);
-        tag = parts ? oggFlacFile->tag() : 0;
+        tag = oggFlacFile->tag();
         ap = oggFlacFile->audioProperties();
     }
     else
-        return list;
+    {
+        delete info;
+        return QList<TrackInfo *>();
+    }
 
-    TrackInfo *info = new TrackInfo(path);
     if((parts & TrackInfo::MetaData) && tag && !tag->isEmpty())
     {
         if (tag->fieldListMap().contains("CUESHEET"))
         {
-            CUEParser parser(tag->fieldListMap()["CUESHEET"].toString().toCString(true), path);
+            delete info;
+
+            QByteArray data(tag->fieldListMap()["CUESHEET"].toString().toCString(true));
+            QString diskNumber;
+
             if(tag->contains("DISCNUMBER") && !tag->fieldListMap()["DISCNUMBER"].isEmpty())
             {
                 TagLib::StringList fld = tag->fieldListMap()["DISCNUMBER"];
-                for(int i = 1; i <= parser.count(); i++)
-                {
-                    parser.info(i)->setValue(Qmmp::DISCNUMBER, TStringToQString(fld.toString()));
-                }
+                diskNumber = TStringToQString(fld.toString()).trimmed();
             }
-            list = parser.createPlayList();
-            delete info;
+
             if(flacFile)
                 delete flacFile;
             if(oggFlacFile)
                 delete oggFlacFile;
-            return list;
+
+            CUEParser parser(data, path);
+            if(!diskNumber.isEmpty())
+            {
+                for(int i = 1; i <= parser.count(); ++i)
+                    parser.info(i)->setValue(Qmmp::DISCNUMBER, diskNumber);
+            }
+
+            return parser.createPlayList();
         }
 
         info->setValue(Qmmp::ALBUM, TStringToQString(tag->album()));
@@ -151,18 +165,17 @@ QList<TrackInfo*> DecoderFLACFactory::createPlayList(const QString &path, TrackI
             info->setValue(Qmmp::DISCNUMBER, TStringToQString(fld.front()));
 
     }
-    if(ap)
+
+    if((parts & TrackInfo::Properties) && ap)
     {
+        info->setValue(Qmmp::BITRATE, ap->bitrate());
+        info->setValue(Qmmp::SAMPLERATE, ap->sampleRate());
+        info->setValue(Qmmp::CHANNELS, ap->channels());
+        info->setValue(Qmmp::BITS_PER_SAMPLE, ap->bitsPerSample());
+        info->setValue(Qmmp::FORMAT_NAME, flacFile ? "FLAC" : "Ogg FLAC");
         info->setDuration(ap->lengthInMilliseconds());
-        if(parts & TrackInfo::Properties)
-        {
-            info->setValue(Qmmp::BITRATE, ap->bitrate());
-            info->setValue(Qmmp::SAMPLERATE, ap->sampleRate());
-            info->setValue(Qmmp::CHANNELS, ap->channels());
-            info->setValue(Qmmp::BITS_PER_SAMPLE, ap->bitsPerSample());
-            info->setValue(Qmmp::FORMAT_NAME, flacFile ? "FLAC" : "Ogg FLAC");
-        }
     }
+
     if((parts & TrackInfo::ReplayGainInfo) && tag && !tag->isEmpty())
     {
         TagLib::Ogg::FieldListMap items = tag->fieldListMap();
@@ -176,12 +189,11 @@ QList<TrackInfo*> DecoderFLACFactory::createPlayList(const QString &path, TrackI
             info->setValue(Qmmp::REPLAYGAIN_ALBUM_PEAK,TStringToQString(items["REPLAYGAIN_ALBUM_PEAK"].front()));
     }
 
-    list << info;
     if(flacFile)
         delete flacFile;
     if(oggFlacFile)
         delete oggFlacFile;
-    return list;
+    return QList<TrackInfo *>() << info;
 }
 
 MetaDataModel* DecoderFLACFactory::createMetaDataModel(const QString &path, QObject *parent)
-- 
cgit v1.2.3-13-gbd6f