src/Thread_FileAnalyzer_Task.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // LameXP - Audio Encoder Front-End
   3 // Copyright (C) 2004-2018 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 "Thread_FileAnalyzer_Task.h"
  24
  25 //Internal
  26 #include "Global.h"
  27 #include "LockedFile.h"
  28 #include "Model_AudioFile.h"
  29 #include "MimeTypes.h"
  30
  31 //MUtils
  32 #include <MUtils/Global.h>
  33 #include <MUtils/OSSupport.h>
  34 #include <MUtils/Lazy.h>
  35 #include <MUtils/Exception.h>
  36
  37 //Qt
  38 #include <QDir>
  39 #include <QFileInfo>
  40 #include <QProcess>
  41 #include <QDate>
  42 #include <QTime>
  43 #include <QDebug>
  44 #include <QImage>
  45 #include <QReadLocker>
  46 #include <QWriteLocker>
  47 #include <QThread>
  48 #include <QXmlSimpleReader>
  49 #include <QXmlInputSource>
  50 #include <QXmlStreamReader>
  51 #include <QStack>
  52
  53 //CRT
  54 #include <math.h>
  55 #include <time.h>
  56 #include <assert.h>
  57
  58 ////////////////////////////////////////////////////////////
  59 // Helper Macros
  60 ////////////////////////////////////////////////////////////
  61
  62 #define ADD_PROPTERY_MAPPING_1(TYPE, NAME) do \
  63 { \
  64         ADD_PROPTERY_MAPPING_2(TYPE, NAME, NAME); \
  65 } \
  66 while(0)
  67
  68 #define ADD_PROPTERY_MAPPING_2(TYPE, MI_NAME, LX_NAME) do \
  69 { \
  70         builder->insert(qMakePair(AnalyzeTask::trackType_##TYPE, QString::fromLatin1(#MI_NAME)), AnalyzeTask::propertyId_##LX_NAME); \
  71 } \
  72 while(0)
  73
  74 #define SET_OPTIONAL(TYPE, IF_CMD, THEN_CMD) do \
  75 { \
  76         TYPE _tmp;\
  77         if((IF_CMD)) { THEN_CMD; } \
  78 } \
  79 while(0)
  80
  81 #define DIV_RND(A,B) (((A) + ((B) / 2U)) / (B))
  82 #define STRICMP(A,B) ((A).compare((B), Qt::CaseInsensitive) == 0)
  83
  84 ////////////////////////////////////////////////////////////
  85 // Static initialization
  86 ////////////////////////////////////////////////////////////
  87
  88 static MUtils::Lazy<const QMap<QPair<AnalyzeTask::MI_trackType_t, QString>, AnalyzeTask::MI_propertyId_t>> s_mediaInfoIdx([]
  89 {
  90         QMap<QPair<AnalyzeTask::MI_trackType_t, QString>, AnalyzeTask::MI_propertyId_t> *const builder = new QMap<QPair<AnalyzeTask::MI_trackType_t, QString>, AnalyzeTask::MI_propertyId_t>();
  91         ADD_PROPTERY_MAPPING_2(gen, format, container);
  92         ADD_PROPTERY_MAPPING_2(gen, format_profile, container_profile);
  93         ADD_PROPTERY_MAPPING_1(gen, duration);
  94         ADD_PROPTERY_MAPPING_1(gen, title);
  95         ADD_PROPTERY_MAPPING_2(gen, track, title);
  96         ADD_PROPTERY_MAPPING_1(gen, artist);
  97         ADD_PROPTERY_MAPPING_2(gen, performer, artist);
  98         ADD_PROPTERY_MAPPING_1(gen, album);
  99         ADD_PROPTERY_MAPPING_1(gen, genre);
 100         ADD_PROPTERY_MAPPING_1(gen, released_date);
 101         ADD_PROPTERY_MAPPING_2(gen, recorded_date, released_date);
 102         ADD_PROPTERY_MAPPING_1(gen, track_position);
 103         ADD_PROPTERY_MAPPING_1(gen, comment);
 104         ADD_PROPTERY_MAPPING_1(aud, format);
 105         ADD_PROPTERY_MAPPING_1(aud, format_version);
 106         ADD_PROPTERY_MAPPING_1(aud, format_profile);
 107         ADD_PROPTERY_MAPPING_1(aud, duration);
 108         ADD_PROPTERY_MAPPING_1(aud, channel_s_);
 109         ADD_PROPTERY_MAPPING_1(aud, samplingrate);
 110         ADD_PROPTERY_MAPPING_1(aud, bitdepth);
 111         ADD_PROPTERY_MAPPING_1(aud, bitrate);
 112         ADD_PROPTERY_MAPPING_1(aud, bitrate_mode);
 113         ADD_PROPTERY_MAPPING_1(aud, encoded_library);
 114         ADD_PROPTERY_MAPPING_2(gen, cover_mime, cover_mime);
 115         ADD_PROPTERY_MAPPING_2(gen, cover_data, cover_data);
 116         return builder;
 117 });
 118
 119 static MUtils::Lazy<const QMap<QString, AnalyzeTask::MI_propertyId_t>> s_avisynthIdx([]
 120 {
 121         QMap<QString, AnalyzeTask::MI_propertyId_t> *const builder = new QMap<QString, AnalyzeTask::MI_propertyId_t>();
 122         builder->insert(QLatin1String("totalseconds"),  AnalyzeTask::propertyId_duration);
 123         builder->insert(QLatin1String("samplespersec"), AnalyzeTask::propertyId_samplingrate);
 124         builder->insert(QLatin1String("channels"),      AnalyzeTask::propertyId_channel_s_);
 125         builder->insert(QLatin1String("bitspersample"), AnalyzeTask::propertyId_bitdepth);
 126         return builder;
 127 });
 128
 129 static MUtils::Lazy<const QMap<QString, QString>> s_mimeTypes([]
 130 {
 131         QMap<QString, QString> *const builder = new QMap<QString, QString>();
 132         for (size_t i = 0U; MIME_TYPES[i].type; ++i)
 133         {
 134                 builder->insert(QString::fromLatin1(MIME_TYPES[i].type), QString::fromLatin1(MIME_TYPES[i].ext[0]));
 135         }
 136         return builder;
 137 });
 138
 139 static MUtils::Lazy<const QMap<QString, AnalyzeTask::MI_trackType_t>> s_trackTypes([]
 140 {
 141         QMap<QString, AnalyzeTask::MI_trackType_t> *const builder = new QMap<QString, AnalyzeTask::MI_trackType_t>();
 142         builder->insert("general", AnalyzeTask::trackType_gen);
 143         builder->insert("audio",   AnalyzeTask::trackType_aud);
 144         return builder;
 145 });
 146
 147 ////////////////////////////////////////////////////////////
 148 // Constructor
 149 ////////////////////////////////////////////////////////////
 150
 151 AnalyzeTask::AnalyzeTask(const int taskId, const QString &inputFile, QAtomicInt &abortFlag)
 152 :
 153         m_taskId(taskId),
 154         m_inputFile(inputFile),
 155         m_mediaInfoBin(lamexp_tools_lookup("mediainfo.exe")),
 156         m_mediaInfoVer(lamexp_tools_version("mediainfo.exe")),
 157         m_avs2wavBin(lamexp_tools_lookup("avs2wav.exe")),
 158         m_abortFlag(abortFlag),
 159         m_mediaInfoIdx(*s_mediaInfoIdx),
 160         m_avisynthIdx(*s_avisynthIdx),
 161         m_mimeTypes(*s_mimeTypes),
 162         m_trackTypes(*s_trackTypes)
 163 {
 164         if(m_mediaInfoBin.isEmpty() || m_avs2wavBin.isEmpty())
 165         {
 166                 qFatal("Invalid path to MediaInfo binary. Tool not initialized properly.");
 167         }
 168 }
 169
 170 AnalyzeTask::~AnalyzeTask(void)
 171 {
 172         emit taskCompleted(m_taskId);
 173 }
 174
 175 ////////////////////////////////////////////////////////////
 176 // Thread Main
 177 ////////////////////////////////////////////////////////////
 178
 179 void AnalyzeTask::run()
 180 {
 181         try
 182         {
 183                 run_ex();
 184         }
 185         catch(const std::exception &error)
 186         {
 187                 MUTILS_PRINT_ERROR("\nGURU MEDITATION !!!\n\nException error:\n%s\n", error.what());
 188                 MUtils::OS::fatal_exit(L"Unhandeled C++ exception error, application will exit!");
 189         }
 190         catch(...)
 191         {
 192                 MUTILS_PRINT_ERROR("\nGURU MEDITATION !!!\n\nUnknown exception error!\n");
 193                 MUtils::OS::fatal_exit(L"Unhandeled C++ exception error, application will exit!");
 194         }
 195 }
 196
 197 void AnalyzeTask::run_ex(void)
 198 {
 199         int fileType = fileTypeNormal;
 200         QString currentFile = QDir::fromNativeSeparators(m_inputFile);
 201         qDebug("Analyzing: %s", MUTILS_UTF8(currentFile));
 202
 203         AudioFileModel fileInfo(currentFile);
 204         analyzeFile(currentFile, fileInfo, &fileType);
 205
 206         if(MUTILS_BOOLIFY(m_abortFlag))
 207         {
 208                 qWarning("Operation cancelled by user!");
 209                 return;
 210         }
 211
 212         switch(fileType)
 213         {
 214         case fileTypeDenied:
 215                 qWarning("Cannot access file for reading, skipping!");
 216                 break;
 217         case fileTypeCDDA:
 218                 qWarning("Dummy CDDA file detected, skipping!");
 219                 break;
 220         default:
 221                 if(fileInfo.metaInfo().title().isEmpty() || fileInfo.techInfo().containerType().isEmpty() || fileInfo.techInfo().audioType().isEmpty())
 222                 {
 223                         fileType = fileTypeUnknown;
 224                         if(!QFileInfo(currentFile).suffix().compare("cue", Qt::CaseInsensitive))
 225                         {
 226                                 qWarning("Cue Sheet file detected, skipping!");
 227                                 fileType = fileTypeCueSheet;
 228                         }
 229                         else if(!QFileInfo(currentFile).suffix().compare("avs", Qt::CaseInsensitive))
 230                         {
 231                                 qDebug("Found a potential Avisynth script, investigating...");
 232                                 if(analyzeAvisynthFile(currentFile, fileInfo))
 233                                 {
 234                                         fileType = fileTypeNormal;
 235                                 }
 236                                 else
 237                                 {
 238                                         qDebug("Rejected Avisynth file: %s", MUTILS_UTF8(fileInfo.filePath()));
 239                                 }
 240                         }
 241                         else
 242                         {
 243                                 qDebug("Rejected file of unknown type: %s", MUTILS_UTF8(fileInfo.filePath()));
 244                         }
 245                 }
 246                 break;
 247         }
 248
 249         //Emit the file now!
 250         emit fileAnalyzed(m_taskId, fileType, fileInfo);
 251 }
 252
 253 ////////////////////////////////////////////////////////////
 254 // Privtae Functions
 255 ////////////////////////////////////////////////////////////
 256
 257 const AudioFileModel& AnalyzeTask::analyzeFile(const QString &filePath, AudioFileModel &audioFile, int *const type)
 258 {
 259         *type = fileTypeNormal;
 260         QFile readTest(filePath);
 261
 262         if (!readTest.open(QIODevice::ReadOnly))
 263         {
 264                 *type = fileTypeDenied;
 265                 return audioFile;
 266         }
 267
 268         if (checkFile_CDDA(readTest))
 269         {
 270                 *type = fileTypeCDDA;
 271                 return audioFile;
 272         }
 273
 274         readTest.close();
 275         return analyzeMediaFile(filePath, audioFile);
 276 }
 277
 278 const AudioFileModel& AnalyzeTask::analyzeMediaFile(const QString &filePath, AudioFileModel &audioFile)
 279 {
 280         //bool skipNext = false;
 281         QPair<quint32, quint32> id_val(UINT_MAX, UINT_MAX);
 282         quint32 coverType = UINT_MAX;
 283         QByteArray coverData;
 284
 285         QStringList params;
 286         params << QString("--Language=raw");
 287         params << QString("-f");
 288         params << QString("--Output=XML");
 289         params << QDir::toNativeSeparators(filePath);
 290
 291         QProcess process;
 292         MUtils::init_process(process, QFileInfo(m_mediaInfoBin).absolutePath());
 293         process.start(m_mediaInfoBin, params);
 294
 295         QByteArray data;
 296         data.reserve(16384);
 297
 298         if(!process.waitForStarted())
 299         {
 300                 qWarning("MediaInfo process failed to create!");
 301                 qWarning("Error message: \"%s\"\n", process.errorString().toLatin1().constData());
 302                 process.kill();
 303                 process.waitForFinished(-1);
 304                 return audioFile;
 305         }
 306
 307         while(process.state() != QProcess::NotRunning)
 308         {
 309                 if(MUTILS_BOOLIFY(m_abortFlag))
 310                 {
 311                         process.kill();
 312                         qWarning("Process was aborted on user request!");
 313                         break;
 314                 }
 315
 316                 if(!process.waitForReadyRead())
 317                 {
 318                         if(process.state() == QProcess::Running)
 319                         {
 320                                 qWarning("MediaInfo time out. Killing the process now!");
 321                                 process.kill();
 322                                 process.waitForFinished(-1);
 323                                 break;
 324                         }
 325                 }
 326
 327                 forever
 328                 {
 329                         const QByteArray dataNext = process.readAll();
 330                         if (dataNext.isEmpty()) {
 331                                 break; /*no more input data*/
 332                         }
 333                         data += dataNext;
 334                 }
 335         }
 336
 337         process.waitForFinished();
 338         if (process.state() != QProcess::NotRunning)
 339         {
 340                 process.kill();
 341                 process.waitForFinished(-1);
 342         }
 343
 344         while (!process.atEnd())
 345         {
 346                 const QByteArray dataNext = process.readAll();
 347                 if (dataNext.isEmpty()) {
 348                         break; /*no more input data*/
 349                 }
 350                 data += dataNext;
 351         }
 352
 353 #if MUTILS_DEBUG
 354         qDebug("!!!--MEDIA_INFO-->>>\n%s\n<<<--MEDIA_INFO--!!!", data.constData());
 355 #endif //MUTILS_DEBUG
 356
 357         return parseMediaInfo(data, audioFile);
 358 }
 359
 360 const AudioFileModel& AnalyzeTask::parseMediaInfo(const QByteArray &data, AudioFileModel &audioFile)
 361 {
 362         QXmlStreamReader xmlStream(data);
 363         bool firstMediaFile = true;
 364
 365         if (findNextElement(QLatin1String("MediaInfo"), xmlStream))
 366         {
 367                 const QString versionXml = findAttribute(QLatin1String("Version"),  xmlStream.attributes());
 368                 if (versionXml.isEmpty() || (!checkVersionStr(versionXml, 2U, 0U)))
 369                 {
 370                         qWarning("Invalid file format version property: \"%s\"", MUTILS_UTF8(versionXml));
 371                         return audioFile;
 372                 }
 373                 if (findNextElement(QLatin1String("CreatingLibrary"), xmlStream))
 374                 {
 375                         const QString versionLib = findAttribute(QLatin1String("Version"), xmlStream.attributes());
 376                         const QString identifier = xmlStream.readElementText(QXmlStreamReader::SkipChildElements).simplified();
 377                         if (!STRICMP(identifier, QLatin1String("MediaInfoLib")))
 378                         {
 379                                 qWarning("Invalid library identiofier property: \"%s\"", MUTILS_UTF8(identifier));
 380                                 return audioFile;
 381                         }
 382                         const quint32 mediaInfoVer = (m_mediaInfoVer > 9999U) ? m_mediaInfoVer / 10U : m_mediaInfoVer;
 383                         if (versionLib.isEmpty() || (!checkVersionStr(versionLib, mediaInfoVer / 100U, mediaInfoVer % 100U)))
 384                         {
 385                                 qWarning("Invalid library version property: \"%s\"", MUTILS_UTF8(versionLib));
 386                                 return audioFile;
 387                         }
 388                         while (findNextElement(QLatin1String("Media"), xmlStream))
 389                         {
 390                                 if (firstMediaFile || audioFile.techInfo().containerType().isEmpty() || audioFile.techInfo().audioType().isEmpty())
 391                                 {
 392                                         firstMediaFile = false;
 393                                         parseFileInfo(xmlStream, audioFile);
 394                                 }
 395                                 else
 396                                 {
 397                                         qWarning("Skipping non-primary file!");
 398                                         xmlStream.skipCurrentElement();
 399                                 }
 400                         }
 401                 }
 402         }
 403
 404         if (!(audioFile.techInfo().containerType().isEmpty() || audioFile.techInfo().audioType().isEmpty()))
 405         {
 406                 if (audioFile.metaInfo().title().isEmpty())
 407                 {
 408                         QString baseName = QFileInfo(audioFile.filePath()).fileName();
 409                         int index;
 410                         if ((index = baseName.lastIndexOf(".")) >= 0)
 411                         {
 412                                 baseName = baseName.left(index);
 413                         }
 414                         baseName = baseName.replace("_", " ").simplified();
 415                         if ((index = baseName.lastIndexOf(" - ")) >= 0)
 416                         {
 417                                 baseName = baseName.mid(index + 3).trimmed();
 418                         }
 419                         audioFile.metaInfo().setTitle(baseName);
 420                 }
 421                 if ((audioFile.techInfo().audioType().compare("PCM", Qt::CaseInsensitive) == 0) && (audioFile.techInfo().audioProfile().compare("Float", Qt::CaseInsensitive) == 0))
 422                 {
 423                         if (audioFile.techInfo().audioBitdepth() == 32) audioFile.techInfo().setAudioBitdepth(AudioFileModel::BITDEPTH_IEEE_FLOAT32);
 424                 }
 425         }
 426         else
 427         {
 428                 qWarning("Audio file format could *not* be recognized!");
 429         }
 430
 431         return audioFile;
 432 }
 433
 434 void AnalyzeTask::parseFileInfo(QXmlStreamReader &xmlStream, AudioFileModel &audioFile)
 435 {
 436         QSet<MI_trackType_t> tracksProcessed;
 437         MI_trackType_t trackType;
 438         while (findNextElement(QLatin1String("Track"), xmlStream))
 439         {
 440                 const QString typeString = findAttribute(QLatin1String("Type"), xmlStream.attributes());
 441                 if ((trackType = m_trackTypes.value(typeString.toLower(), MI_trackType_t(-1))) != MI_trackType_t(-1))
 442                 {
 443                         if (!tracksProcessed.contains(trackType))
 444                         {
 445                                 tracksProcessed << trackType;
 446                                 parseTrackInfo(xmlStream, trackType, audioFile);
 447                         }
 448                         else
 449                         {
 450                                 qWarning("Skipping non-primary '%s' track!", MUTILS_UTF8(typeString));
 451                                 xmlStream.skipCurrentElement();
 452                         }
 453                 }
 454                 else
 455                 {
 456                         qWarning("Skipping unsupported '%s' track!", MUTILS_UTF8(typeString));
 457                         xmlStream.skipCurrentElement();
 458                 }
 459         }
 460 }
 461
 462 void AnalyzeTask::parseTrackInfo(QXmlStreamReader &xmlStream, const MI_trackType_t trackType, AudioFileModel &audioFile)
 463 {
 464         QString coverMimeType;
 465         while (xmlStream.readNextStartElement())
 466         {
 467                 const MI_propertyId_t idx = m_mediaInfoIdx.value(qMakePair(trackType, xmlStream.name().toString().simplified().toLower()), MI_propertyId_t(-1));
 468                 if (idx != MI_propertyId_t(-1))
 469                 {
 470                         const QString encoding = findAttribute(QLatin1String("dt"), xmlStream.attributes());
 471                         const QString value = xmlStream.readElementText(QXmlStreamReader::SkipChildElements).simplified();
 472                         if (!value.isEmpty())
 473                         {
 474                                 parseProperty(encoding.isEmpty() ? value : decodeStr(value, encoding), idx, audioFile, coverMimeType);
 475                         }
 476                 }
 477                 else
 478                 {
 479                         xmlStream.skipCurrentElement();
 480                 }
 481         }
 482 }
 483
 484 void AnalyzeTask::parseProperty(const QString &value, const MI_propertyId_t propertyIdx, AudioFileModel &audioFile, QString &coverMimeType)
 485 {
 486 #if MUTILS_DEBUG
 487         qDebug("Property #%d = \"%s\"", propertyIdx, MUTILS_UTF8(value.left(24)));
 488 #endif
 489         switch (propertyIdx)
 490         {
 491                 case propertyId_container:         audioFile.techInfo().setContainerType(value);                                                                  return;
 492                 case propertyId_container_profile: audioFile.techInfo().setContainerProfile(value);                                                               return;
 493                 case propertyId_duration:          SET_OPTIONAL(double, parseFloat(value, _tmp), audioFile.techInfo().setDuration(qRound(_tmp)));                 return;
 494                 case propertyId_title:             audioFile.metaInfo().setTitle(value);                                                                          return;
 495                 case propertyId_artist:            audioFile.metaInfo().setArtist(value);                                                                         return;
 496                 case propertyId_album:             audioFile.metaInfo().setAlbum(value);                                                                          return;
 497                 case propertyId_genre:             audioFile.metaInfo().setGenre(value);                                                                          return;
 498                 case propertyId_released_date:     SET_OPTIONAL(quint32, parseYear(value, _tmp), audioFile.metaInfo().setYear(_tmp));                             return;
 499                 case propertyId_track_position:    SET_OPTIONAL(quint32, parseUnsigned(value, _tmp), audioFile.metaInfo().setPosition(_tmp));                     return;
 500                 case propertyId_comment:           audioFile.metaInfo().setComment(value);                                                                        return;
 501                 case propertyId_format:            audioFile.techInfo().setAudioType(value);                                                                      return;
 502                 case propertyId_format_version:    audioFile.techInfo().setAudioVersion(value);                                                                   return;
 503                 case propertyId_format_profile:    audioFile.techInfo().setAudioProfile(value);                                                                   return;
 504                 case propertyId_channel_s_:        SET_OPTIONAL(quint32, parseUnsigned(value, _tmp), audioFile.techInfo().setAudioChannels(_tmp));                return;
 505                 case propertyId_samplingrate:      SET_OPTIONAL(quint32, parseUnsigned(value, _tmp), audioFile.techInfo().setAudioSamplerate(_tmp));              return;
 506                 case propertyId_bitdepth:          SET_OPTIONAL(quint32, parseUnsigned(value, _tmp), audioFile.techInfo().setAudioBitdepth(_tmp));                return;
 507                 case propertyId_bitrate:           SET_OPTIONAL(quint32, parseUnsigned(value, _tmp), audioFile.techInfo().setAudioBitrate(DIV_RND(_tmp, 1000U))); return;
 508                 case propertyId_bitrate_mode:      SET_OPTIONAL(quint32, parseRCMode(value, _tmp), audioFile.techInfo().setAudioBitrateMode(_tmp));               return;
 509                 case propertyId_encoded_library:   audioFile.techInfo().setAudioEncodeLib(cleanAsciiStr(value));                                                  return;
 510                 case propertyId_cover_mime:        coverMimeType = value;                                                                                         return;
 511                 case propertyId_cover_data:        retrieveCover(audioFile, coverMimeType, value);                                                                return;
 512                 default: MUTILS_THROW_FMT("Invalid property ID: %d", propertyIdx);
 513         }
 514 }
 515
 516 bool AnalyzeTask::checkFile_CDDA(QFile &file)
 517 {
 518         file.reset();
 519         QByteArray data = file.read(128);
 520
 521         int i = data.indexOf("RIFF");
 522         int j = data.indexOf("CDDA");
 523         int k = data.indexOf("fmt ");
 524
 525         return ((i >= 0) && (j >= 0) && (k >= 0) && (k > j) && (j > i));
 526 }
 527
 528 void AnalyzeTask::retrieveCover(AudioFileModel &audioFile, const QString &coverType, const QString &coverData)
 529 {
 530         const QByteArray content = QByteArray::fromBase64(coverData.toLatin1());
 531         const QString type = m_mimeTypes.value(coverType.toLower());
 532         qDebug("Retrieving cover! (mime=\"%s\", type=\"%s\", len=%d)", MUTILS_L1STR(coverType), MUTILS_L1STR(type), content.size());
 533         if(!QImage::fromData(content, type.isEmpty() ? NULL : MUTILS_L1STR(type.toUpper())).isNull())
 534         {
 535                 QFile coverFile(QString("%1/%2.%3").arg(MUtils::temp_folder(), MUtils::next_rand_str(), type.isEmpty() ? QLatin1String("jpg") : type));
 536                 if(coverFile.open(QIODevice::WriteOnly))
 537                 {
 538                         coverFile.write(content);
 539                         coverFile.close();
 540                         audioFile.metaInfo().setCover(coverFile.fileName(), true);
 541                 }
 542         }
 543         else
 544         {
 545                 qWarning("Image data seems to be invalid! [Header:%s]", content.left(32).toHex().constData());
 546         }
 547 }
 548
 549
 550 bool AnalyzeTask::analyzeAvisynthFile(const QString &filePath, AudioFileModel &info)
 551 {
 552         QProcess process;
 553         MUtils::init_process(process, QFileInfo(m_avs2wavBin).absolutePath());
 554
 555         process.start(m_avs2wavBin, QStringList() << QDir::toNativeSeparators(filePath) << "?");
 556
 557         if(!process.waitForStarted())
 558         {
 559                 qWarning("AVS2WAV process failed to create!");
 560                 qWarning("Error message: \"%s\"\n", process.errorString().toLatin1().constData());
 561                 process.kill();
 562                 process.waitForFinished(-1);
 563                 return false;
 564         }
 565
 566         bool bInfoHeaderFound = false;
 567
 568         while(process.state() != QProcess::NotRunning)
 569         {
 570                 if(MUTILS_BOOLIFY(m_abortFlag))
 571                 {
 572                         process.kill();
 573                         qWarning("Process was aborted on user request!");
 574                         break;
 575                 }
 576
 577                 if(!process.waitForReadyRead())
 578                 {
 579                         if(process.state() == QProcess::Running)
 580                         {
 581                                 qWarning("AVS2WAV time out. Killing process and skipping file!");
 582                                 process.kill();
 583                                 process.waitForFinished(-1);
 584                                 return false;
 585                         }
 586                 }
 587
 588                 while(process.canReadLine())
 589                 {
 590                         const QString line = QString::fromUtf8(process.readLine().constData()).simplified();
 591                         if(!line.isEmpty())
 592                         {
 593                                 if(bInfoHeaderFound)
 594                                 {
 595                                         const qint32 index = line.indexOf(':');
 596                                         if (index > 0)
 597                                         {
 598                                                 const QString key = line.left(index).trimmed();
 599                                                 const QString val = line.mid(index + 1).trimmed();
 600                                                 if (!(key.isEmpty() || val.isEmpty()))
 601                                                 {
 602                                                         switch (m_avisynthIdx.value(key.toLower(), MI_propertyId_t(-1)))
 603                                                         {
 604                                                                 case propertyId_duration:     SET_OPTIONAL(quint32, parseUnsigned(val, _tmp), info.techInfo().setDuration(_tmp));        break;
 605                                                                 case propertyId_samplingrate: SET_OPTIONAL(quint32, parseUnsigned(val, _tmp), info.techInfo().setAudioSamplerate(_tmp)); break;
 606                                                                 case propertyId_channel_s_:   SET_OPTIONAL(quint32, parseUnsigned(val, _tmp), info.techInfo().setAudioChannels(_tmp));   break;
 607                                                                 case propertyId_bitdepth:     SET_OPTIONAL(quint32, parseUnsigned(val, _tmp), info.techInfo().setAudioBitdepth(_tmp));   break;
 608                                                         }
 609                                                 }
 610                                         }
 611                                 }
 612                                 else
 613                                 {
 614                                         if(line.contains("[Audio Info]", Qt::CaseInsensitive))
 615                                         {
 616                                                 info.techInfo().setAudioType("Avisynth");
 617                                                 info.techInfo().setContainerType("Avisynth");
 618                                                 bInfoHeaderFound = true;
 619                                         }
 620                                 }
 621                         }
 622                 }
 623         }
 624
 625         process.waitForFinished();
 626         if(process.state() != QProcess::NotRunning)
 627         {
 628                 process.kill();
 629                 process.waitForFinished(-1);
 630         }
 631
 632         //Check exit code
 633         switch(process.exitCode())
 634         {
 635         case 0:
 636                 qDebug("Avisynth script was analyzed successfully.");
 637                 return true;
 638                 break;
 639         case -5:
 640                 qWarning("It appears that Avisynth is not installed on the system!");
 641                 return false;
 642                 break;
 643         default:
 644                 qWarning("Failed to open the Avisynth script, bad AVS file?");
 645                 return false;
 646                 break;
 647         }
 648 }
 649
 650 // ---------------------------------------------------------
 651 // Utility Functions
 652 // ---------------------------------------------------------
 653
 654 QString AnalyzeTask::decodeStr(const QString &str, const QString &encoding)
 655 {
 656         if (STRICMP(encoding, QLatin1String("binary.base64")))
 657         {
 658                 const QString decoded = QString::fromUtf8(QByteArray::fromBase64(str.toLatin1()));
 659                 return decoded;
 660         }
 661         return QString();
 662 }
 663
 664 bool AnalyzeTask::parseUnsigned(const QString &str, quint32 &value)
 665 {
 666         bool okay = false;
 667         value = str.toUInt(&okay);
 668         return okay;
 669 }
 670 bool AnalyzeTask::parseFloat(const QString &str, double &value)
 671 {
 672         bool okay = false;
 673         value = QLocale::c().toDouble(str, &okay);
 674         return okay;
 675 }
 676
 677 bool AnalyzeTask::parseYear(const QString &str, quint32 &value)
 678 {
 679         if (str.startsWith(QLatin1String("UTC"), Qt::CaseInsensitive))
 680         {
 681                 const QDate date = QDate::fromString(str.mid(3).trimmed().left(10), QLatin1String("yyyy-MM-dd"));
 682                 if (date.isValid())
 683                 {
 684                         value = date.year();
 685                         return true;
 686                 }
 687                 return false;
 688         }
 689         else
 690         {
 691                 return parseUnsigned(str, value);
 692         }
 693 }
 694
 695 bool AnalyzeTask::parseRCMode(const QString &str, quint32 &value)
 696 {
 697         if (STRICMP(str, QLatin1String("CBR")))
 698         {
 699                 value = AudioFileModel::BitrateModeConstant;
 700                 return true;
 701         }
 702         if (STRICMP(str, QLatin1String("VBR")))
 703         {
 704                 value = AudioFileModel::BitrateModeVariable;
 705                 return true;
 706         }
 707         return false;
 708 }
 709
 710 QString AnalyzeTask::cleanAsciiStr(const QString &str)
 711 {
 712         QByteArray ascii = str.toLatin1();
 713         for (QByteArray::Iterator iter = ascii.begin(); iter != ascii.end(); ++iter)
 714         {
 715                 if ((*iter < 0x20) || (*iter >= 0x7F)) *iter = 0x3F;
 716         }
 717         return QString::fromLatin1(ascii).remove(QLatin1Char('?')).simplified();
 718 }
 719
 720 bool AnalyzeTask::findNextElement(const QString &name, QXmlStreamReader &xmlStream)
 721 {
 722         while (xmlStream.readNextStartElement())
 723         {
 724                 if (STRICMP(xmlStream.name(), name))
 725                 {
 726                         return true;
 727                 }
 728                 xmlStream.skipCurrentElement();
 729         }
 730         return false;
 731 }
 732
 733 QString AnalyzeTask::findAttribute(const QString &name, const QXmlStreamAttributes &xmlAttributes)
 734 {
 735         for (QXmlStreamAttributes::ConstIterator iter = xmlAttributes.constBegin(); iter != xmlAttributes.constEnd(); ++iter)
 736         {
 737                 if (STRICMP(iter->name(), name))
 738                 {
 739                         const QString value = iter->value().toString().simplified();
 740                         if (!value.isEmpty())
 741                         {
 742                                 return value; /*found*/
 743                         }
 744                 }
 745         }
 746         return QString();
 747 }
 748
 749 bool AnalyzeTask::checkVersionStr(const QString &str, const quint32 expectedMajor, const quint32 expectedMinor)
 750 {
 751         QRegExp version("^(\\d+)\\.(\\d+)($|\\.)");
 752         if (version.indexIn(str) >= 0)
 753         {
 754                 quint32 actual[2];
 755                 if (MUtils::regexp_parse_uint32(version, actual, 2))
 756                 {
 757                         if ((actual[0] == expectedMajor) && (actual[1] >= expectedMinor))
 758                         {
 759                                 return true;
 760                         }
 761                 }
 762         }
 763         return false;
 764 }
 765
 766 ////////////////////////////////////////////////////////////
 767 // Public Functions
 768 ////////////////////////////////////////////////////////////
 769
 770 /*NONE*/
 771
 772 ////////////////////////////////////////////////////////////
 773 // EVENTS
 774 ////////////////////////////////////////////////////////////
 775
 776 /*NONE*/