src/Thread_FileAnalyzer.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // LameXP - Audio Encoder Front-End
   3 // Copyright (C) 2004-2012 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.
   9 //
  10 // This program is distributed in the hope that it will be useful,
  11 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 // GNU General Public License for more details.
  14 //
  15 // You should have received a copy of the GNU General Public License along
  16 // with this program; if not, write to the Free Software Foundation, Inc.,
  17 // 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  18 //
  19 // http://www.gnu.org/licenses/gpl-2.0.txt
  20 ///////////////////////////////////////////////////////////////////////////////
  21
  22 #include "Thread_FileAnalyzer.h"
  23
  24 #include "Global.h"
  25 #include "LockedFile.h"
  26 #include "Model_AudioFile.h"
  27 #include "Thread_FileAnalyzer_Task.h"
  28
  29 #include <QDir>
  30 #include <QFileInfo>
  31 #include <QProcess>
  32 #include <QDate>
  33 #include <QTime>
  34 #include <QDebug>
  35 #include <QImage>
  36 #include <QThreadPool>
  37 #include <QTime>
  38
  39 ////////////////////////////////////////////////////////////
  40 // Constructor
  41 ////////////////////////////////////////////////////////////
  42
  43 FileAnalyzer::FileAnalyzer(const QStringList &inputFiles)
  44 :
  45         m_abortFlag(false),
  46         m_inputFiles(inputFiles),
  47         m_templateFile(NULL)
  48 {
  49         m_bSuccess = false;
  50         m_bAborted = false;
  51 }
  52
  53 FileAnalyzer::~FileAnalyzer(void)
  54 {
  55         if(m_templateFile)
  56         {
  57                 QString templatePath = m_templateFile->filePath();
  58                 LAMEXP_DELETE(m_templateFile);
  59                 if(QFile::exists(templatePath)) QFile::remove(templatePath);
  60         }
  61
  62         AnalyzeTask::reset();
  63 }
  64
  65 ////////////////////////////////////////////////////////////
  66 // Static data
  67 ////////////////////////////////////////////////////////////
  68
  69 const char *FileAnalyzer::g_tags_gen[] =
  70 {
  71         "ID",
  72         "Format",
  73         "Format_Profile",
  74         "Format_Version",
  75         "Duration",
  76         "Title", "Track",
  77         "Track/Position",
  78         "Artist", "Performer",
  79         "Album",
  80         "Genre",
  81         "Released_Date", "Recorded_Date",
  82         "Comment",
  83         "Cover",
  84         "Cover_Type",
  85         "Cover_Mime",
  86         "Cover_Data",
  87         NULL
  88 };
  89
  90 const char *FileAnalyzer::g_tags_aud[] =
  91 {
  92         "ID",
  93         "Source",
  94         "Format",
  95         "Format_Profile",
  96         "Format_Version",
  97         "Channel(s)",
  98         "SamplingRate",
  99         "BitDepth",
 100         "BitRate",
 101         "BitRate_Mode",
 102         NULL
 103 };
 104
 105 ////////////////////////////////////////////////////////////
 106 // Thread Main
 107 ////////////////////////////////////////////////////////////
 108
 109 void FileAnalyzer::run()
 110 {
 111         m_abortFlag = false;
 112
 113         m_bAborted = false;
 114         m_bSuccess = false;
 115
 116         int nFiles = m_inputFiles.count();
 117
 118         emit progressMaxChanged(nFiles);
 119         emit progressValChanged(0);
 120
 121         m_inputFiles.sort();
 122
 123         if(!m_templateFile)
 124         {
 125                 if(!createTemplate())
 126                 {
 127                         qWarning("Failed to create template file!");
 128                         return;
 129                 }
 130         }
 131
 132         AnalyzeTask::reset();
 133         QThreadPool *pool = new QThreadPool();
 134         QThread::msleep(333);
 135
 136         if(QThread::idealThreadCount() > 1)
 137         {
 138                 pool->setMaxThreadCount((QThread::idealThreadCount() * 3) / 2);
 139         }
 140         else
 141         {
 142                 pool->setMaxThreadCount(2);
 143         }
 144
 145         while(!(m_inputFiles.isEmpty() || m_bAborted))
 146         {
 147                 while(!(m_inputFiles.isEmpty() || m_bAborted))
 148                 {
 149                         const QString currentFile = QDir::fromNativeSeparators(m_inputFiles.takeFirst());
 150
 151                         AnalyzeTask *task = new AnalyzeTask(currentFile, m_templateFile->filePath(), &m_abortFlag);
 152                         connect(task, SIGNAL(fileSelected(QString)), this, SIGNAL(fileSelected(QString)), Qt::DirectConnection);
 153                         connect(task, SIGNAL(progressValChanged(unsigned int)), this, SIGNAL(progressValChanged(unsigned int)), Qt::DirectConnection);
 154                         connect(task, SIGNAL(progressMaxChanged(unsigned int)), this, SIGNAL(progressMaxChanged(unsigned int)), Qt::DirectConnection);
 155                         connect(task, SIGNAL(fileAnalyzed(AudioFileModel)), this, SIGNAL(fileAnalyzed(AudioFileModel)), Qt::DirectConnection);
 156
 157                         while(!pool->tryStart(task))
 158                         {
 159                                 if(!AnalyzeTask::waitForOneThread(1250))
 160                                 {
 161                                         qWarning("FileAnalyzer: Timeout, retrying!");
 162                                 }
 163
 164                                 if(m_abortFlag)
 165                                 {
 166                                         LAMEXP_DELETE(task);
 167                                         break;
 168                                 }
 169
 170                                 QThread::yieldCurrentThread();
 171                         }
 172
 173                         if(m_abortFlag)
 174                         {
 175                                 MessageBeep(MB_ICONERROR);
 176                                 m_bAborted = true;
 177                         }
 178                         else
 179                         {
 180                                 if(int count = AnalyzeTask::getAdditionalFiles(m_inputFiles))
 181                                 {
 182                                         emit progressMaxChanged(nFiles += count);
 183                                 }
 184                                 QThread::msleep(8);
 185                         }
 186                 }
 187
 188                 //One of the Analyze tasks may have gathered additional files from a playlist!
 189                 if(!m_bAborted)
 190                 {
 191                         pool->waitForDone();
 192                         if(int count = AnalyzeTask::getAdditionalFiles(m_inputFiles))
 193                         {
 194                                 emit progressMaxChanged(nFiles += count);
 195                         }
 196                 }
 197         }
 198
 199         pool->waitForDone();
 200         LAMEXP_DELETE(pool);
 201
 202         if(m_bAborted)
 203         {
 204                 qWarning("Operation cancelled by user!");
 205                 return;
 206         }
 207
 208         qDebug("All files added.\n");
 209         m_bSuccess = true;
 210 }
 211
 212 ////////////////////////////////////////////////////////////
 213 // Privtae Functions
 214 ////////////////////////////////////////////////////////////
 215
 216 bool FileAnalyzer::createTemplate(void)
 217 {
 218         if(m_templateFile)
 219         {
 220                 qWarning("Template file already exists!");
 221                 return true;
 222         }
 223
 224         QString templatePath = QString("%1/%2.txt").arg(lamexp_temp_folder2(), lamexp_rand_str());
 225
 226         QFile templateFile(templatePath);
 227         if(!templateFile.open(QIODevice::WriteOnly))
 228         {
 229                 return false;
 230         }
 231
 232         templateFile.write("General;");
 233         for(size_t i = 0; g_tags_gen[i]; i++)
 234         {
 235                 templateFile.write(QString("Gen_%1=%%1%\\n").arg(g_tags_gen[i]).toLatin1().constData());
 236         }
 237         templateFile.write("\\n\r\n");
 238
 239         templateFile.write("Audio;");
 240         for(size_t i = 0; g_tags_aud[i]; i++)
 241         {
 242                 templateFile.write(QString("Aud_%1=%%1%\\n").arg(g_tags_aud[i]).toLatin1().constData());
 243         }
 244         templateFile.write("\\n\r\n");
 245
 246         bool success = (templateFile.error() == QFile::NoError);
 247         templateFile.close();
 248
 249         if(!success)
 250         {
 251                 QFile::remove(templatePath);
 252                 return false;
 253         }
 254
 255         try
 256         {
 257                 m_templateFile = new LockedFile(templatePath);
 258         }
 259         catch(...)
 260         {
 261                 qWarning("Failed to lock template file!");
 262                 return false;
 263         }
 264
 265         return true;
 266 }
 267
 268 ////////////////////////////////////////////////////////////
 269 // Public Functions
 270 ////////////////////////////////////////////////////////////
 271
 272 unsigned int FileAnalyzer::filesAccepted(void)
 273 {
 274         return AnalyzeTask::filesAccepted();
 275 }
 276
 277 unsigned int FileAnalyzer::filesRejected(void)
 278 {
 279         return AnalyzeTask::filesRejected();
 280 }
 281
 282 unsigned int FileAnalyzer::filesDenied(void)
 283 {
 284         return AnalyzeTask::filesDenied();
 285 }
 286
 287 unsigned int FileAnalyzer::filesDummyCDDA(void)
 288 {
 289         return AnalyzeTask::filesDummyCDDA();
 290 }
 291
 292 unsigned int FileAnalyzer::filesCueSheet(void)
 293 {
 294         return AnalyzeTask::filesCueSheet();
 295 }
 296
 297 ////////////////////////////////////////////////////////////
 298 // EVENTS
 299 ////////////////////////////////////////////////////////////
 300
 301 /*NONE*/