src/Dialog_CueImport.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // LameXP - Audio Encoder Front-End
   3 // Copyright (C) 2004-2014 LoRd_MuldeR <MuldeR2@GMX.de>
   4 //
   5 // This program is free software; you can redistribute it and/or modify
   6 // it under the terms of the GNU General Public License as published by
   7 // the Free Software Foundation; either version 2 of the License, or
   8 // (at your option) any later version, but always including the *additional*
   9 // restrictions defined in the "License.txt" file.
  10 //
  11 // This program is distributed in the hope that it will be useful,
  12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 // GNU General Public License for more details.
  15 //
  16 // You should have received a copy of the GNU General Public License along
  17 // with this program; if not, write to the Free Software Foundation, Inc.,
  18 // 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  19 //
  20 // http://www.gnu.org/licenses/gpl-2.0.txt
  21 ///////////////////////////////////////////////////////////////////////////////
  22
  23 #include "Dialog_CueImport.h"
  24
  25 //UIC includes
  26 #include "UIC_CueSheetImport.h"
  27
  28 //LameXP includes
  29 #include "Global.h"
  30 #include "Model_CueSheet.h"
  31 #include "Model_AudioFile.h"
  32 #include "Model_FileList.h"
  33 #include "Dialog_WorkingBanner.h"
  34 #include "Thread_FileAnalyzer.h"
  35 #include "Thread_CueSplitter.h"
  36 #include "Registry_Decoder.h"
  37 #include "LockedFile.h"
  38
  39 //MUtils
  40 #include <MUtils/Global.h>
  41 #include <MUtils/OSSupport.h>
  42 #include <MUtils/GUI.h>
  43
  44 //Qt includes
  45 #include <QFileInfo>
  46 #include <QMessageBox>
  47 #include <QTimer>
  48 #include <QFileDialog>
  49 #include <QProgressDialog>
  50 #include <QMenu>
  51 #include <QTextCodec>
  52 #include <QInputDialog>
  53
  54 #define SET_FONT_BOLD(WIDGET,BOLD) { QFont _font = WIDGET->font(); _font.setBold(BOLD); WIDGET->setFont(_font); }
  55 #define EXPAND(STR) QString(STR).leftJustified(96, ' ')
  56
  57 ////////////////////////////////////////////////////////////
  58 // Constructor & Destructor
  59 ////////////////////////////////////////////////////////////
  60
  61 CueImportDialog::CueImportDialog(QWidget *parent, FileListModel *fileList, const QString &cueFile, const SettingsModel *settings)
  62 :
  63         QDialog(parent),
  64         ui(new Ui::CueSheetImport),
  65         m_fileList(fileList),
  66         m_cueFileName(cueFile),
  67         m_settings(settings)
  68 {
  69         //Init the dialog, from the .ui file
  70         ui->setupUi(this);
  71
  72         //Fix size
  73         setMinimumSize(this->size());
  74         setMaximumHeight(this->height());
  75
  76         //Create model
  77         m_model = new CueSheetModel();
  78         connect(m_model, SIGNAL(modelReset()), this, SLOT(modelChanged()));
  79
  80         //Setup table view
  81         ui->treeView->setModel(m_model);
  82         ui->treeView->header()->setStretchLastSection(false);
  83         ui->treeView->header()->setResizeMode(QHeaderView::ResizeToContents);
  84         ui->treeView->header()->setResizeMode(1, QHeaderView::Stretch);
  85         ui->treeView->header()->setMovable(false);
  86         ui->treeView->setItemsExpandable(false);
  87
  88         //Enable up/down button
  89         connect(ui->imprtButton, SIGNAL(clicked()), this, SLOT(importButtonClicked()));
  90         connect(ui->browseButton, SIGNAL(clicked()), this, SLOT(browseButtonClicked()));
  91         connect(ui->loadOtherButton, SIGNAL(clicked()), this, SLOT(loadOtherButtonClicked()));
  92
  93         //Translate
  94         ui->labelHeaderText->setText(QString("<b>%1</b><br>%2").arg(tr("Import Cue Sheet"), tr("The following Cue Sheet will be split and imported into LameXP.")));
  95 }
  96
  97 CueImportDialog::~CueImportDialog(void)
  98 {
  99         MUTILS_DELETE(m_model);
 100         MUTILS_DELETE(ui);
 101 }
 102
 103 ////////////////////////////////////////////////////////////
 104 // EVENTS
 105 ////////////////////////////////////////////////////////////
 106
 107 void CueImportDialog::showEvent(QShowEvent *event)
 108 {
 109         QDialog::showEvent(event);
 110         modelChanged();
 111 }
 112
 113 ////////////////////////////////////////////////////////////
 114 // Slots
 115 ////////////////////////////////////////////////////////////
 116
 117 int CueImportDialog::exec(void)
 118 {
 119         WorkingBanner *progress = new WorkingBanner(dynamic_cast<QWidget*>(parent()));
 120         progress->show(tr("Loading Cue Sheet file, please be patient..."));
 121
 122         QFileInfo cueFileInfo(m_cueFileName);
 123         if(!cueFileInfo.exists() || !cueFileInfo.isFile())
 124         {
 125                 QString text = QString("<nobr>%1</nobr><br><nobr>%2</nobr><br><br><nobr>%3</nobr>").arg(tr("Failed to load the Cue Sheet file:"), QDir::toNativeSeparators(m_cueFileName), tr("The specified file could not be found!")).replace("-", "&minus;");
 126                 QMessageBox::warning(progress, tr("Cue Sheet Error"), text);
 127                 progress->close();
 128                 MUTILS_DELETE(progress);
 129                 return CueSheetModel::ErrorIOFailure;
 130         }
 131
 132         //----------------------//
 133
 134         QTextCodec *codec = NULL;
 135
 136         QFile cueFile(cueFileInfo.canonicalFilePath());
 137         cueFile.open(QIODevice::ReadOnly);
 138         QByteArray bomCheck = cueFile.isOpen() ? cueFile.peek(16) : QByteArray();
 139
 140         if((!bomCheck.isEmpty()) && bomCheck.startsWith("\xef\xbb\xbf"))
 141         {
 142                 codec = QTextCodec::codecForName("UTF-8");
 143         }
 144         else if((!bomCheck.isEmpty()) && bomCheck.startsWith("\xff\xfe"))
 145         {
 146                 codec = QTextCodec::codecForName("UTF-16LE");
 147         }
 148         else if((!bomCheck.isEmpty()) && bomCheck.startsWith("\xfe\xff"))
 149         {
 150                 codec = QTextCodec::codecForName("UTF-16BE");
 151         }
 152         else
 153         {
 154                 const QString systemDefault = tr("(System Default)");
 155
 156                 QStringList codecList;
 157                 codecList.append(systemDefault);
 158                 codecList.append(lamexp_available_codepages());
 159
 160                 QInputDialog *input = new QInputDialog(progress);
 161                 input->setLabelText(EXPAND(tr("Select ANSI Codepage for Cue Sheet file:")));
 162                 input->setOkButtonText(tr("OK"));
 163                 input->setCancelButtonText(tr("Cancel"));
 164                 input->setTextEchoMode(QLineEdit::Normal);
 165                 input->setComboBoxItems(codecList);
 166
 167                 if(input->exec() < 1)
 168                 {
 169                         progress->close();
 170                         MUTILS_DELETE(input);
 171                         MUTILS_DELETE(progress);
 172                         return Rejected;
 173                 }
 174
 175                 if(input->textValue().compare(systemDefault, Qt::CaseInsensitive))
 176                 {
 177                         qDebug("User-selected codec is: %s", input->textValue().toLatin1().constData());
 178                         codec = QTextCodec::codecForName(input->textValue().toLatin1().constData());
 179                 }
 180                 else
 181                 {
 182                         qDebug("Going to use the system's default codec!");
 183                         codec = QTextCodec::codecForName("System");
 184                 }
 185
 186                 MUTILS_DELETE(input);
 187         }
 188
 189         bomCheck.clear();
 190
 191         //----------------------//
 192
 193         QString baseName = cueFileInfo.completeBaseName().simplified();
 194         while(baseName.endsWith(".") || baseName.endsWith(" ")) baseName.chop(1);
 195         if(baseName.isEmpty()) baseName = tr("New Folder");
 196
 197         m_outputDir = QString("%1/%2").arg(cueFileInfo.canonicalPath(), baseName);
 198         for(int n = 2; QDir(m_outputDir).exists() || QFileInfo(m_outputDir).exists(); n++)
 199         {
 200                 m_outputDir = QString("%1/%2 (%3)").arg(cueFileInfo.canonicalPath(), baseName, QString::number(n));
 201         }
 202
 203         setWindowTitle(QString("%1: %2").arg(windowTitle().split(":", QString::SkipEmptyParts).first().trimmed(), cueFileInfo.fileName()));
 204
 205         int iResult = m_model->loadCueSheet(m_cueFileName, QApplication::instance(), codec);
 206         if(iResult != CueSheetModel::ErrorSuccess)
 207         {
 208                 QString errorMsg = tr("An unknown error has occured!");
 209
 210                 switch(iResult)
 211                 {
 212                 case CueSheetModel::ErrorIOFailure:
 213                         errorMsg = tr("The file could not be opened for reading. Make sure you have the required rights!");
 214                         break;
 215                 case CueSheetModel::ErrorBadFile:
 216                         errorMsg = tr("The provided file does not look like a valid Cue Sheet disc image file!");
 217                         break;
 218                 case CueSheetModel::ErrorUnsupported:
 219                         errorMsg = QString("%1<br>%2").arg(tr("Could not find any supported audio track in the Cue Sheet image!"), tr("Note that LameXP can not handle \"binary\" Cue Sheet images."));
 220                         break;
 221                 case CueSheetModel::ErrorInconsistent:
 222                         errorMsg = tr("The selected Cue Sheet file contains inconsistent information. Take care!");
 223                         break;
 224                 }
 225
 226                 QString text = QString("<nobr>%1</nobr><br><nobr>%2</nobr><br><br><nobr>%3</nobr>").arg(tr("Failed to load the Cue Sheet file:"), QDir::toNativeSeparators(m_cueFileName), errorMsg).replace("-", "&minus;");
 227                 QMessageBox::warning(progress, tr("Cue Sheet Error"), text);
 228                 progress->close();
 229                 MUTILS_DELETE(progress);
 230                 return iResult;
 231         }
 232
 233         progress->close();
 234         MUTILS_DELETE(progress);
 235         return QDialog::exec();
 236 }
 237
 238 void CueImportDialog::modelChanged(void)
 239 {
 240         ui->treeView->expandAll();
 241         ui->editOutputDir->setText(QDir::toNativeSeparators(m_outputDir));
 242         if(const AudioFileModel_MetaInfo *albumInfo = m_model->getAlbumInfo())
 243         {
 244                 ui->labelArtist->setText(albumInfo->artist().isEmpty() ? tr("Unknown Artist") : albumInfo->artist());
 245                 ui->labelAlbum->setText(albumInfo->album().isEmpty() ? tr("Unknown Album") : albumInfo->album());
 246         }
 247 }
 248
 249 void CueImportDialog::browseButtonClicked(void)
 250 {
 251         QString newOutDir, currentDir = m_outputDir;
 252
 253         while(QDir(currentDir).exists())
 254         {
 255                 int pos = qMax(currentDir.lastIndexOf(QChar('\\')), currentDir.lastIndexOf(QChar('/')));
 256                 if(pos > 0) currentDir.left(pos - 1); else break;
 257         }
 258
 259         if(MUtils::GUI::themes_enabled())
 260         {
 261                 newOutDir = QFileDialog::getExistingDirectory(this, tr("Choose Output Directory"), currentDir);
 262         }
 263         else
 264         {
 265                 QFileDialog dialog(this, tr("Choose Output Directory"));
 266                 dialog.setFileMode(QFileDialog::DirectoryOnly);
 267                 dialog.setDirectory(currentDir);
 268                 if(dialog.exec())
 269                 {
 270                         newOutDir = dialog.selectedFiles().first();
 271                 }
 272         }
 273
 274         if(!newOutDir.isEmpty())
 275         {
 276                 m_outputDir = newOutDir;
 277                 modelChanged();
 278         }
 279 }
 280
 281 void CueImportDialog::importButtonClicked(void)
 282 {
 283         static const unsigned __int64 oneGigabyte = 1073741824ui64;
 284         static const unsigned __int64 minimumFreeDiskspaceMultiplier = 2ui64;
 285         static const char *writeTestBuffer = "LAMEXP_WRITE_TEST";
 286
 287         QDir outputDir(m_outputDir);
 288         outputDir.mkpath(".");
 289         if(!(outputDir.exists() && outputDir.isReadable()))
 290         {
 291                 QMessageBox::warning(this, tr("LameXP"), QString("<nobr>%2</nobr>").arg(tr("Error: The selected output directory could not be created!")));
 292                 return;
 293         }
 294
 295         QFile writeTest(QString("%1/~%2.txt").arg(m_outputDir, MUtils::rand_str()));
 296         if(!(writeTest.open(QIODevice::ReadWrite) && (writeTest.write(writeTestBuffer) == strlen(writeTestBuffer))))
 297         {
 298                 QMessageBox::warning(this, tr("LameXP"), QString("<nobr>%2</nobr>").arg(tr("Error: The selected output directory is not writable!")));
 299                 return;
 300         }
 301         else
 302         {
 303                 writeTest.close();
 304                 writeTest.remove();
 305         }
 306
 307         quint64 currentFreeDiskspace = 0;
 308         if(MUtils::OS::free_diskspace(m_outputDir, currentFreeDiskspace))
 309         {
 310                 if(currentFreeDiskspace < (oneGigabyte * minimumFreeDiskspaceMultiplier))
 311                 {
 312                         QMessageBox::warning(this, tr("Low Diskspace Warning"), QString("<nobr>%1</nobr><br><nobr>%2</nobr>").arg(tr("There are less than %1 GB of free diskspace available in the selected output directory.").arg(QString::number(minimumFreeDiskspaceMultiplier)), tr("It is highly recommend to free up more diskspace before proceeding with the import!")));
 313                         return;
 314                 }
 315         }
 316
 317         importCueSheet();
 318         accept();
 319 }
 320
 321 void CueImportDialog::loadOtherButtonClicked(void)
 322 {
 323         done(-1);
 324 }
 325
 326 void CueImportDialog::analyzedFile(const AudioFileModel &file)
 327 {
 328         qDebug("Received result: <%s> <%s/%s>", file.filePath().toLatin1().constData(), file.techInfo().containerType().toLatin1().constData(), file.techInfo().audioType().toLatin1().constData());
 329         m_fileInfo << file;
 330 }
 331
 332 ////////////////////////////////////////////////////////////
 333 // Private Functions
 334 ////////////////////////////////////////////////////////////
 335
 336 void CueImportDialog::importCueSheet(void)
 337 {
 338         QStringList files;
 339         QList<LockedFile*> locks;
 340
 341         //Fetch all files that are referenced in the Cue Sheet and lock them
 342         int nFiles = m_model->getFileCount();
 343         for(int i = 0; i < nFiles; i++)
 344         {
 345                 try
 346                 {
 347                         LockedFile *temp = new LockedFile(m_model->getFileName(i));
 348                         locks << temp;
 349                         files << temp->filePath();
 350                 }
 351                 catch(const std::exception &error)
 352                 {
 353                         qWarning("Failed to lock file:\n%s\n", error.what());
 354                 }
 355                 catch(...)
 356                 {
 357                         qWarning("Failed to lock file!");
 358                 }
 359         }
 360
 361         //Check if all files could be locked
 362         if(files.count() < m_model->getFileCount())
 363         {
 364                 if(QMessageBox::warning(this, tr("Cue Sheet Error"), tr("Warning: Some of the required input files could not be found!"), tr("Continue Anyway"), tr("Abort")) == 1)
 365                 {
 366                         files.clear();
 367                 }
 368         }
 369
 370         //Process all avialble input files
 371         if(files.count() > 0)
 372         {
 373                 //Analyze all source files first
 374                 if(analyzeFiles(files))
 375                 {
 376                         //Now split files according to Cue Sheet
 377                         splitFiles();
 378                 }
 379         }
 380
 381         //Release locks
 382         while(!locks.isEmpty())
 383         {
 384                 delete locks.takeFirst();
 385         }
 386 }
 387
 388 bool CueImportDialog::analyzeFiles(QStringList &files)
 389 {
 390         m_fileInfo.clear();
 391         bool bSuccess = true;
 392
 393         WorkingBanner *progress = new WorkingBanner(this);
 394         FileAnalyzer *analyzer = new FileAnalyzer(files);
 395
 396         connect(analyzer, SIGNAL(fileSelected(QString)), progress, SLOT(setText(QString)), Qt::QueuedConnection);
 397         connect(analyzer, SIGNAL(fileAnalyzed(AudioFileModel)), this, SLOT(analyzedFile(AudioFileModel)), Qt::QueuedConnection);
 398         connect(progress, SIGNAL(userAbort()), analyzer, SLOT(abortProcess()), Qt::DirectConnection);
 399
 400         progress->show(tr("Analyzing file(s), please wait..."), analyzer);
 401         progress->close();
 402
 403         if(analyzer->filesAccepted() < static_cast<unsigned int>(files.count()))
 404         {
 405                 if(QMessageBox::warning(this, tr("Analysis Failed"), tr("Warning: The format of some of the input files could not be determined!"), tr("Continue Anyway"), tr("Abort")) == 1)
 406                 {
 407                         bSuccess = false;
 408                 }
 409         }
 410
 411         MUTILS_DELETE(progress);
 412         MUTILS_DELETE(analyzer);
 413
 414         return bSuccess;
 415 }
 416
 417 void CueImportDialog::splitFiles(void)
 418 {
 419         QString baseName = QFileInfo(m_cueFileName).completeBaseName().replace(".", " ").simplified();
 420
 421         WorkingBanner *progress = new WorkingBanner(this);
 422         CueSplitter *splitter  = new CueSplitter(m_outputDir, baseName, m_model, m_fileInfo);
 423
 424         connect(splitter, SIGNAL(fileSelected(QString)), progress, SLOT(setText(QString)), Qt::QueuedConnection);
 425         connect(splitter, SIGNAL(fileSplit(AudioFileModel)), m_fileList, SLOT(addFile(AudioFileModel)), Qt::QueuedConnection);
 426         connect(splitter, SIGNAL(progressValChanged(unsigned int)), progress, SLOT(setProgressVal(unsigned int)), Qt::QueuedConnection);
 427         connect(splitter, SIGNAL(progressMaxChanged(unsigned int)), progress, SLOT(setProgressMax(unsigned int)), Qt::QueuedConnection);
 428         connect(progress, SIGNAL(userAbort()), splitter, SLOT(abortProcess()), Qt::DirectConnection);
 429
 430         DecoderRegistry::configureDecoders(m_settings);
 431
 432         progress->show(tr("Splitting file(s), please wait..."), splitter);
 433         progress->close();
 434
 435         if(splitter->getAborted())
 436         {
 437                 QMessageBox::warning(this, tr("Cue Sheet Error"), tr("Process was aborted by the user after %n track(s)!", "", splitter->getTracksSuccess()));
 438         }
 439         else if(!splitter->getSuccess())
 440         {
 441                 QMessageBox::warning(this, tr("Cue Sheet Error"), tr("An unexpected error has occured while splitting the Cue Sheet!"));
 442         }
 443         else
 444         {
 445                 QString text = QString("<nobr>%1 %2</nobr>").arg(tr("Imported %n track(s) from the Cue Sheet.", "", splitter->getTracksSuccess()), tr("Skipped %n track(s).", "", splitter->getTracksSkipped()));
 446                 QMessageBox::information(this, tr("Cue Sheet Completed"), text);
 447         }
 448
 449         MUTILS_DELETE(splitter);
 450         MUTILS_DELETE(progress);
 451 }