1 ///////////////////////////////////////////////////////////////////////////////
2 // LameXP - Audio Encoder Front-End
3 // Copyright (C) 2004-2014 LoRd_MuldeR <MuldeR2@GMX.de>
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.
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.
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.
20 // http://www.gnu.org/licenses/gpl-2.0.txt
21 ///////////////////////////////////////////////////////////////////////////////
23 #include "Thread_FileAnalyzer.h"
26 #include "LockedFile.h"
27 #include "Model_AudioFile.h"
28 #include "Thread_FileAnalyzer_Task.h"
29 #include "PlaylistImporter.h"
38 #include <QThreadPool>
40 #include <QElapsedTimer>
44 //Insert into QStringList *without* duplicates
45 static inline void SAFE_APPEND_STRING(QStringList &list, const QString &str)
47 if(!list.contains(str, Qt::CaseInsensitive))
53 ////////////////////////////////////////////////////////////
55 ////////////////////////////////////////////////////////////
57 FileAnalyzer::FileAnalyzer(const QStringList &inputFiles)
59 m_tasksCounterNext(0),
60 m_tasksCounterDone(0),
61 m_inputFiles(inputFiles),
74 moveToThread(this); /*makes sure queued slots are executed in the proper thread context*/
76 m_timer = new QElapsedTimer;
79 FileAnalyzer::~FileAnalyzer(void)
83 if(!m_pool->waitForDone(2500))
85 qWarning("There are still running tasks in the thread pool!");
89 LAMEXP_DELETE(m_templateFile);
90 LAMEXP_DELETE(m_pool);
91 LAMEXP_DELETE(m_timer);
94 ////////////////////////////////////////////////////////////
96 ////////////////////////////////////////////////////////////
98 const char *FileAnalyzer::g_tags_gen[] =
107 "Artist", "Performer",
110 "Released_Date", "Recorded_Date",
119 const char *FileAnalyzer::g_tags_aud[] =
135 ////////////////////////////////////////////////////////////
137 ////////////////////////////////////////////////////////////
139 void FileAnalyzer::run()
143 m_tasksCounterNext = 0;
144 m_tasksCounterDone = 0;
145 m_completedCounter = 0;
147 m_completedFiles.clear();
148 m_completedTaskIds.clear();
149 m_runningTaskIds.clear();
154 m_filesDummyCDDA = 0;
157 m_timer->invalidate();
159 //Create MediaInfo template file
162 if(!createTemplate())
164 qWarning("Failed to create template file!");
170 lamexp_natural_string_sort(m_inputFiles, true);
172 //Handle playlist files first!
173 handlePlaylistFiles();
175 const unsigned int nFiles = m_inputFiles.count();
178 qWarning("File list is empty, nothing to do!");
183 emit progressMaxChanged(nFiles);
184 emit progressValChanged(0);
187 if(!m_pool) m_pool = new QThreadPool();
188 const int idealThreadCount = QThread::idealThreadCount();
189 if(idealThreadCount > 0)
191 m_pool->setMaxThreadCount(qBound(2, ((idealThreadCount * 3) / 2), 12));
194 //Start first N threads
195 QTimer::singleShot(0, this, SLOT(initializeTasks()));
197 //Start event processing
200 //Wait for pending tasks to complete
201 m_pool->waitForDone();
203 //Was opertaion aborted?
206 qWarning("Operation cancelled by user!");
211 emit progressValChanged(nFiles);
213 //Emit pending files (this should not be required though!)
214 if(!m_completedFiles.isEmpty())
216 qWarning("FileAnalyzer: Pending file information found after last thread terminated!");
217 QList<unsigned int> keys = m_completedFiles.keys(); qSort(keys);
218 while(!keys.isEmpty())
220 emit fileAnalyzed(m_completedFiles.take(keys.takeFirst()));
224 qDebug("All files added.\n");
227 QThread::msleep(333);
230 ////////////////////////////////////////////////////////////
232 ////////////////////////////////////////////////////////////
234 bool FileAnalyzer::analyzeNextFile(void)
236 if(!(m_inputFiles.isEmpty() || m_bAborted))
238 const unsigned int taskId = m_tasksCounterNext++;
239 const QString currentFile = QDir::fromNativeSeparators(m_inputFiles.takeFirst());
241 if((!m_timer->isValid()) || (m_timer->elapsed() >= 333))
243 emit fileSelected(QFileInfo(currentFile).fileName());
247 AnalyzeTask *task = new AnalyzeTask(taskId, currentFile, m_templateFile->filePath(), &m_bAborted);
248 connect(task, SIGNAL(fileAnalyzed(const unsigned int, const int, AudioFileModel)), this, SLOT(taskFileAnalyzed(unsigned int, const int, AudioFileModel)), Qt::QueuedConnection);
249 connect(task, SIGNAL(taskCompleted(const unsigned int)), this, SLOT(taskThreadFinish(const unsigned int)), Qt::QueuedConnection);
250 m_runningTaskIds.insert(taskId); m_pool->start(task);
258 void FileAnalyzer::handlePlaylistFiles(void)
260 QQueue<QVariant> queue;
261 QStringList importedFromPlaylist;
263 //Import playlist files into "hierarchical" list
264 while(!m_inputFiles.isEmpty())
266 const QString currentFile = m_inputFiles.takeFirst();
267 QStringList importedFiles;
268 if(PlaylistImporter::importPlaylist(importedFiles, currentFile))
270 queue.enqueue(importedFiles);
271 importedFromPlaylist << importedFiles;
275 queue.enqueue(currentFile);
279 //Reduce temporary list
280 importedFromPlaylist.removeDuplicates();
282 //Now build the complete "flat" file list (files imported from playlist take precedence!)
283 while(!queue.isEmpty())
285 const QVariant current = queue.dequeue();
286 if(current.type() == QVariant::String)
288 const QString temp = current.toString();
289 if(!importedFromPlaylist.contains(temp, Qt::CaseInsensitive))
291 SAFE_APPEND_STRING(m_inputFiles, temp);
294 else if(current.type() == QVariant::StringList)
296 const QStringList temp = current.toStringList();
297 for(QStringList::ConstIterator iter = temp.constBegin(); iter != temp.constEnd(); iter++)
299 SAFE_APPEND_STRING(m_inputFiles, (*iter));
304 qWarning("Encountered an unexpected variant type!");
309 bool FileAnalyzer::createTemplate(void)
313 qWarning("Template file already exists!");
317 QString templatePath = QString("%1/%2.txt").arg(lamexp_temp_folder2(), lamexp_rand_str());
319 QFile templateFile(templatePath);
320 if(!templateFile.open(QIODevice::WriteOnly))
325 templateFile.write("General;");
326 for(size_t i = 0; g_tags_gen[i]; i++)
328 templateFile.write(QString("Gen_%1=%%1%\\n").arg(g_tags_gen[i]).toLatin1().constData());
330 templateFile.write("\\n\r\n");
332 templateFile.write("Audio;");
333 for(size_t i = 0; g_tags_aud[i]; i++)
335 templateFile.write(QString("Aud_%1=%%1%\\n").arg(g_tags_aud[i]).toLatin1().constData());
337 templateFile.write("\\n\r\n");
339 bool success = (templateFile.error() == QFile::NoError);
340 templateFile.close();
344 QFile::remove(templatePath);
350 m_templateFile = new LockedFile(templatePath, true);
352 catch(const std::exception &error)
354 qWarning("Failed to lock template file:\n%s\n", error.what());
359 qWarning("Failed to lock template file!");
366 ////////////////////////////////////////////////////////////
368 ////////////////////////////////////////////////////////////
370 void FileAnalyzer::initializeTasks(void)
372 for(int i = 0; i < m_pool->maxThreadCount(); i++)
374 if(!analyzeNextFile()) break;
378 void FileAnalyzer::taskFileAnalyzed(const unsigned int taskId, const int fileType, const AudioFileModel &file)
380 m_completedTaskIds.insert(taskId);
384 case AnalyzeTask::fileTypeNormal:
386 if(m_tasksCounterDone == taskId)
388 emit fileAnalyzed(file);
389 m_tasksCounterDone++;
393 m_completedFiles.insert(taskId, file);
396 case AnalyzeTask::fileTypeCDDA:
399 case AnalyzeTask::fileTypeDenied:
402 case AnalyzeTask::fileTypeCueSheet:
405 case AnalyzeTask::fileTypeUnknown:
409 THROW("Unknown file type identifier!");
412 //Emit all pending files
413 while(m_completedTaskIds.contains(m_tasksCounterDone))
415 if(m_completedFiles.contains(m_tasksCounterDone))
417 emit fileAnalyzed(m_completedFiles.take(m_tasksCounterDone));
419 m_completedTaskIds.remove(m_tasksCounterDone);
420 m_tasksCounterDone++;
424 void FileAnalyzer::taskThreadFinish(const unsigned int taskId)
426 m_runningTaskIds.remove(taskId);
427 emit progressValChanged(++m_completedCounter);
429 if(!analyzeNextFile())
431 if(m_runningTaskIds.empty())
433 QTimer::singleShot(0, this, SLOT(quit())); //Stop event processing, if all threads have completed!
438 ////////////////////////////////////////////////////////////
440 ////////////////////////////////////////////////////////////
442 unsigned int FileAnalyzer::filesAccepted(void)
444 return m_filesAccepted;
447 unsigned int FileAnalyzer::filesRejected(void)
449 return m_filesRejected;
452 unsigned int FileAnalyzer::filesDenied(void)
454 return m_filesDenied;
457 unsigned int FileAnalyzer::filesDummyCDDA(void)
459 return m_filesDummyCDDA;
462 unsigned int FileAnalyzer::filesCueSheet(void)
464 return m_filesCueSheet;
467 ////////////////////////////////////////////////////////////
469 ////////////////////////////////////////////////////////////