src/Thread_FileAnalyzer_Task.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // LameXP - Audio Encoder Front-End
   3 // Copyright (C) 2004-2019 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_2(aud, format_additionalfeatures, format_profile);
 108         ADD_PROPTERY_MAPPING_1(aud, duration);
 109         ADD_PROPTERY_MAPPING_1(aud, channel_s_);
 110         ADD_PROPTERY_MAPPING_1(aud, samplingrate);
 111         ADD_PROPTERY_MAPPING_1(aud, bitdepth);
 112         ADD_PROPTERY_MAPPING_1(aud, bitrate);
 113         ADD_PROPTERY_MAPPING_1(aud, bitrate_mode);
 114         ADD_PROPTERY_MAPPING_1(aud, encoded_library);
 115         ADD_PROPTERY_MAPPING_2(gen, cover_mime, cover_mime);
 116         ADD_PROPTERY_MAPPING_2(gen, cover_data, cover_data);
 117         return builder;
 118 });
 119
 120 static MUtils::Lazy<const QMap<QString, AnalyzeTask::MI_propertyId_t>> s_avisynthIdx([]
 121 {
 122         QMap<QString, AnalyzeTask::MI_propertyId_t> *const builder = new QMap<QString, AnalyzeTask::MI_propertyId_t>();
 123         builder->insert(QLatin1String("totalseconds"),  AnalyzeTask::propertyId_duration);
 124         builder->insert(QLatin1String("samplespersec"), AnalyzeTask::propertyId_samplingrate);
 125         builder->insert(QLatin1String("channels"),      AnalyzeTask::propertyId_channel_s_);
 126         builder->insert(QLatin1String("bitspersample"), AnalyzeTask::propertyId_bitdepth);
 127         return builder;
 128 });
 129
 130 static MUtils::Lazy<const QMap<QString, QString>> s_mimeTypes([]
 131 {
 132         QMap<QString, QString> *const builder = new QMap<QString, QString>();
 133         for (size_t i = 0U; MIME_TYPES[i].type; ++i)
 134         {
 135                 builder->insert(QString::fromLatin1(MIME_TYPES[i].type), QString::fromLatin1(MIME_TYPES[i].ext[0]));
 136         }
 137         return builder;
 138 });
 139
 140 static MUtils::Lazy<const QMap<QString, AnalyzeTask::MI_trackType_t>> s_trackTypes([]
 141 {
 142         QMap<QString, AnalyzeTask::MI_trackType_t> *const builder = new QMap<QString, AnalyzeTask::MI_trackType_t>();
 143         builder->insert("general", AnalyzeTask::trackType_gen);
 144         builder->insert("audio",   AnalyzeTask::trackType_aud);
 145         return builder;
 146 });
 147
 148 ////////////////////////////////////////////////////////////
 149 // Constructor
 150 ////////////////////////////////////////////////////////////
 151
 152 AnalyzeTask::AnalyzeTask(const int taskId, const QString &inputFile, QAtomicInt &abortFlag)
 153 :
 154         m_taskId(taskId),
 155         m_inputFile(inputFile),
 156         m_mediaInfoBin(lamexp_tools_lookup("mediainfo.exe")),
 157         m_mediaInfoVer(lamexp_tools_version("mediainfo.exe")),
 158         m_avs2wavBin(lamexp_tools_lookup("avs2wav.exe")),
 159         m_abortFlag(abortFlag),
 160         m_mediaInfoIdx(*s_mediaInfoIdx),
 161         m_avisynthIdx(*s_avisynthIdx),
 162         m_mimeTypes(*s_mimeTypes),
 163         m_trackTypes(*s_trackTypes)
 164 {
 165         if(m_mediaInfoBin.isEmpty() || m_avs2wavBin.isEmpty())
 166         {
 167                 qFatal("Invalid path to MediaInfo binary. Tool not initialized properly.");
 168         }
 169 }
 170
 171 AnalyzeTask::~AnalyzeTask(void)
 172 {
 173         emit taskCompleted(m_taskId);
 174 }
 175
 176 ////////////////////////////////////////////////////////////
 177 // Thread Main
 178 ////////////////////////////////////////////////////////////
 179
 180 void AnalyzeTask::run()
 181 {
 182         try
 183         {
 184                 run_ex();
 185         }
 186         catch(const std::exception &error)
 187         {
 188                 MUTILS_PRINT_ERROR("\nGURU MEDITATION !!!\n\nException error:\n%s\n", error.what());
 189                 MUtils::OS::fatal_exit(L"Unhandeled C++ exception error, application will exit!");
 190         }
 191         catch(...)
 192         {
 193                 MUTILS_PRINT_ERROR("\nGURU MEDITATION !!!\n\nUnknown exception error!\n");
 194                 MUtils::OS::fatal_exit(L"Unhandeled C++ exception error, application will exit!");
 195         }
 196 }
 197
 198 void AnalyzeTask::run_ex(void)
 199 {
 200         int fileType = fileTypeNormal;
 201         QString currentFile = QDir::fromNativeSeparators(m_inputFile);
 202         qDebug("Analyzing: %s", MUTILS_UTF8(currentFile));
 203
 204         AudioFileModel fileInfo(currentFile);
 205         analyzeFile(currentFile, fileInfo, &fileType);
 206
 207         if(MUTILS_BOOLIFY(m_abortFlag))
 208         {
 209                 qWarning("Operation cancelled by user!");
 210                 return;
 211         }
 212
 213         switch(fileType)
 214         {
 215         case fileTypeDenied:
 216                 qWarning("Cannot access file for reading, skipping!");
 217                 break;
 218         case fileTypeCDDA:
 219                 qWarning("Dummy CDDA file detected, skipping!");
 220                 break;
 221         default:
 222                 if(fileInfo.metaInfo().title().isEmpty() || fileInfo.techInfo().containerType().isEmpty() || fileInfo.techInfo().audioType().isEmpty())
 223                 {
 224                         fileType = fileTypeUnknown;
 225                         if(!QFileInfo(currentFile).suffix().compare("cue", Qt::CaseInsensitive))
 226                         {
 227                                 qWarning("Cue Sheet file detected, skipping!");
 228                                 fileType = fileTypeCueSheet;
 229                         }
 230                         else if(!QFileInfo(currentFile).suffix().compare("avs", Qt::CaseInsensitive))
 231                         {
 232                                 qDebug("Found a potential Avisynth script, investigating...");
 233                                 if(analyzeAvisynthFile(currentFile, fileInfo))
 234                                 {
 235                                         fileType = fileTypeNormal;
 236                                 }
 237                                 else
 238                                 {
 239                                         qDebug("Rejected Avisynth file: %s", MUTILS_UTF8(fileInfo.filePath()));
 240                                 }
 241                         }
 242                         else
 243                         {
 244                                 qDebug("Rejected file of unknown type: %s", MUTILS_UTF8(fileInfo.filePath()));
 245                         }
 246                 }
 247                 break;
 248         }
 249
 250         //Emit the file now!
 251         emit fileAnalyzed(m_taskId, fileType, fileInfo);
 252 }
 253
 254 ////////////////////////////////////////////////////////////
 255 // Privtae Functions
 256 ////////////////////////////////////////////////////////////
 257
 258 const AudioFileModel& AnalyzeTask::analyzeFile(const QString &filePath, AudioFileModel &audioFile, int *const type)
 259 {
 260         *type = fileTypeNormal;
 261         QFile readTest(filePath);
 262
 263         if (!readTest.open(QIODevice::ReadOnly))
 264         {
 265                 *type = fileTypeDenied;
 266                 return audioFile;
 267         }
 268
 269         if (checkFile_CDDA(readTest))
 270         {
 271                 *type = fileTypeCDDA;
 272                 return audioFile;
 273         }
 274
 275         readTest.close();
 276         return analyzeMediaFile(filePath, audioFile);
 277 }
 278
 279 const AudioFileModel& AnalyzeTask::analyzeMediaFile(const QString &filePath, AudioFileModel &audioFile)
 280 {
 281         //bool skipNext = false;
 282         QPair<quint32, quint32> id_val(UINT_MAX, UINT_MAX);
 283         quint32 coverType = UINT_MAX;
 284         QByteArray coverData;
 285
 286         QStringList params;
 287         params << L1S("--Language=raw") << L1S("--Output=XML") << L1S("--Full") << L1S("--Cover_Data=base64");
 288         params << QDir::toNativeSeparators(filePath);
 289
 290         QProcess process;
 291         MUtils::init_process(process, QFileInfo(m_mediaInfoBin).absolutePath());
 292         process.start(m_mediaInfoBin, params);
 293
 294         QByteArray data;
 295         data.reserve(16384);
 296
 297         if(!process.waitForStarted())
 298         {
 299                 qWarning("MediaInfo process failed to create!");
 300                 qWarning("Error message: \"%s\"\n", process.errorString().toLatin1().constData());
 301                 process.kill();
 302                 process.waitForFinished(-1);
 303                 return audioFile;
 304         }
 305
 306         while(process.state() != QProcess::NotRunning)
 307         {
 308                 if(MUTILS_BOOLIFY(m_abortFlag))
 309                 {
 310                         process.kill();
 311                         qWarning("Process was aborted on user request!");
 312                         break;
 313                 }
 314
 315                 if(!process.waitForReadyRead())
 316                 {
 317                         if(process.state() == QProcess::Running)
 318                         {
 319                                 qWarning("MediaInfo time out. Killing the process now!");
 320                                 process.kill();
 321                                 process.waitForFinished(-1);
 322                                 break;
 323                         }
 324                 }
 325
 326                 forever
 327                 {
 328                         const QByteArray dataNext = process.readAll();
 329                         if (dataNext.isEmpty()) {
 330                                 break; /*no more input data*/
 331                         }
 332                         data += dataNext.trimmed();
 333                 }
 334         }
 335
 336         process.waitForFinished();
 337         if (process.state() != QProcess::NotRunning)
 338         {
 339                 process.kill();
 340                 process.waitForFinished(-1);
 341         }
 342
 343         while (!process.atEnd())
 344         {
 345                 const QByteArray dataNext = process.readAll();
 346                 if (dataNext.isEmpty()) {
 347                         break; /*no more input data*/
 348                 }
 349                 data += dataNext.trimmed();
 350         }
 351
 352 #if MUTILS_DEBUG
 353         qDebug("-----BEGIN MEDIAINFO-----\n%s\n-----END MEDIAINFO-----", data.constData());
 354 #endif //MUTILS_DEBUG
 355
 356         return parseMediaInfo(data, audioFile);
 357 }
 358
 359 const AudioFileModel& AnalyzeTask::parseMediaInfo(const QByteArray &data, AudioFileModel &audioFile)
 360 {
 361         QXmlStreamReader xmlStream(data);
 362         bool firstMediaFile = true;
 363
 364         if (findNextElement(QLatin1String("MediaInfo"), xmlStream))
 365         {
 366                 const QString versionXml = findAttribute(QLatin1String("Version"),  xmlStream.attributes());
 367                 if (versionXml.isEmpty() || (!checkVersionStr(versionXml, 2U, 0U)))
 368                 {
 369                         qWarning("Invalid file format version property: \"%s\"", MUTILS_UTF8(versionXml));
 370                         return audioFile;
 371                 }
 372                 if (findNextElement(QLatin1String("CreatingLibrary"), xmlStream))
 373                 {
 374                         const QString versionLib = findAttribute(QLatin1String("Version"), xmlStream.attributes());
 375                         const QString identifier = xmlStream.readElementText(QXmlStreamReader::SkipChildElements).simplified();
 376                         if (!STRICMP(identifier, QLatin1String("MediaInfoLib")))
 377                         {
 378                                 qWarning("Invalid library identiofier property: \"%s\"", MUTILS_UTF8(identifier));
 379                                 return audioFile;
 380                         }
 381                         if (!versionLib.isEmpty())
 382                         {
 383                                 if (m_mediaInfoVer != UINT_MAX)
 384                                 {
 385                                         const quint32 mediaInfoVer = (m_mediaInfoVer > 9999U) ? m_mediaInfoVer / 10U : m_mediaInfoVer;
 386                                         if (!checkVersionStr(versionLib, mediaInfoVer / 100U, mediaInfoVer % 100U))
 387                                         {
 388                                                 qWarning("Invalid library version property: \"%s\"", MUTILS_UTF8(versionLib));
 389                                                 return audioFile;
 390                                         }
 391                                 }
 392                         }
 393                         else
 394                         {
 395                                 qWarning("Library version property not found!");
 396                                 return audioFile;
 397                         }
 398                         while (findNextElement(QLatin1String("Media"), xmlStream))
 399                         {
 400                                 if (firstMediaFile || audioFile.techInfo().containerType().isEmpty() || audioFile.techInfo().audioType().isEmpty())
 401                                 {
 402                                         firstMediaFile = false;
 403                                         parseFileInfo(xmlStream, audioFile);
 404                                 }
 405                                 else
 406                                 {
 407                                         qWarning("Skipping non-primary file!");
 408                                         xmlStream.skipCurrentElement();
 409                                 }
 410                         }
 411                 }
 412         }
 413
 414         if (!(audioFile.techInfo().containerType().isEmpty() || audioFile.techInfo().audioType().isEmpty()))
 415         {
 416                 if (audioFile.metaInfo().title().isEmpty())
 417                 {
 418                         QString baseName = QFileInfo(audioFile.filePath()).fileName();
 419                         int index;
 420                         if ((index = baseName.lastIndexOf(".")) >= 0)
 421                         {
 422                                 baseName = baseName.left(index);
 423                         }
 424                         baseName = baseName.replace("_", " ").simplified();
 425                         if ((index = baseName.lastIndexOf(" - ")) >= 0)
 426                         {
 427                                 baseName = baseName.mid(index + 3).trimmed();
 428                         }
 429                         audioFile.metaInfo().setTitle(baseName);
 430                 }
 431                 if ((audioFile.techInfo().audioType().compare("PCM", Qt::CaseInsensitive) == 0) && (audioFile.techInfo().audioProfile().compare("Float", Qt::CaseInsensitive) == 0))
 432                 {
 433                         if (audioFile.techInfo().audioBitdepth() == 32) audioFile.techInfo().setAudioBitdepth(AudioFileModel::BITDEPTH_IEEE_FLOAT32);
 434                 }
 435         }
 436         else
 437         {
 438                 qWarning("Audio file format could *not* be recognized!");
 439         }
 440
 441         return audioFile;
 442 }
 443
 444 void AnalyzeTask::parseFileInfo(QXmlStreamReader &xmlStream, AudioFileModel &audioFile)
 445 {
 446         QSet<MI_trackType_t> tracksProcessed;
 447         MI_trackType_t trackType;
 448         while (findNextElement(QLatin1String("Track"), xmlStream))
 449         {
 450                 const QString typeString = findAttribute(QLatin1String("Type"), xmlStream.attributes());
 451                 if ((trackType = m_trackTypes.value(typeString.toLower(), MI_trackType_t(-1))) != MI_trackType_t(-1))
 452                 {
 453                         if (!tracksProcessed.contains(trackType))
 454                         {
 455                                 tracksProcessed << trackType;
 456                                 parseTrackInfo(xmlStream, trackType, audioFile);
 457                         }
 458                         else
 459                         {
 460                                 qWarning("Skipping non-primary '%s' track!", MUTILS_UTF8(typeString));
 461                                 xmlStream.skipCurrentElement();
 462                         }
 463                 }
 464                 else
 465                 {
 466                         qWarning("Skipping unsupported '%s' track!", MUTILS_UTF8(typeString));
 467                         xmlStream.skipCurrentElement();
 468                 }
 469         }
 470 }
 471
 472 void AnalyzeTask::parseTrackInfo(QXmlStreamReader &xmlStream, const MI_trackType_t trackType, AudioFileModel &audioFile)
 473 {
 474         QString coverMimeType;
 475         while (xmlStream.readNextStartElement())
 476         {
 477                 const MI_propertyId_t idx = m_mediaInfoIdx.value(qMakePair(trackType, xmlStream.name().toString().simplified().toLower()), MI_propertyId_t(-1));
 478                 if (idx != MI_propertyId_t(-1))
 479                 {
 480                         const QString encoding = findAttribute(QLatin1String("dt"), xmlStream.attributes());
 481                         const QString value = xmlStream.readElementText(QXmlStreamReader::SkipChildElements).simplified();
 482                         if (!value.isEmpty())
 483                         {
 484                                 parseProperty(encoding.isEmpty() ? value : decodeStr(value, encoding), idx, audioFile, coverMimeType);
 485                         }
 486                 }
 487                 else
 488                 {
 489                         xmlStream.skipCurrentElement();
 490                 }
 491         }
 492 }
 493
 494 void AnalyzeTask::parseProperty(const QString &value, const MI_propertyId_t propertyIdx, AudioFileModel &audioFile, QString &coverMimeType)
 495 {
 496 #if MUTILS_DEBUG
 497         qDebug("Property #%d = \"%s\"", propertyIdx, MUTILS_UTF8(value.left(24)));
 498 #endif
 499         switch (propertyIdx)
 500         {
 501                 case propertyId_container:         audioFile.techInfo().setContainerType(value);                                                                  return;
 502                 case propertyId_container_profile: audioFile.techInfo().setContainerProfile(value);                                                               return;
 503                 case propertyId_duration:          SET_OPTIONAL(double, parseFloat(value, _tmp), audioFile.techInfo().setDuration(qRound(_tmp)));                 return;
 504                 case propertyId_title:             audioFile.metaInfo().setTitle(value);                                                                          return;
 505                 case propertyId_artist:            audioFile.metaInfo().setArtist(value);                                                                         return;
 506                 case propertyId_album:             audioFile.metaInfo().setAlbum(value);                                                                          return;
 507                 case propertyId_genre:             audioFile.metaInfo().setGenre(value);                                                                          return;
 508                 case propertyId_released_date:     SET_OPTIONAL(quint32, parseYear(value, _tmp), audioFile.metaInfo().setYear(_tmp));                             return;
 509                 case propertyId_track_position:    SET_OPTIONAL(quint32, parseUnsigned(value, _tmp), audioFile.metaInfo().setPosition(_tmp));                     return;
 510                 case propertyId_comment:           audioFile.metaInfo().setComment(value);                                                                        return;
 511                 case propertyId_format:            audioFile.techInfo().setAudioType(value);                                                                      return;
 512                 case propertyId_format_version:    audioFile.techInfo().setAudioVersion(value);                                                                   return;
 513                 case propertyId_format_profile:    audioFile.techInfo().setAudioProfile(value);                                                                   return;
 514                 case propertyId_channel_s_:        SET_OPTIONAL(quint32, parseUnsigned(value, _tmp), audioFile.techInfo().setAudioChannels(_tmp));                return;
 515                 case propertyId_samplingrate:      SET_OPTIONAL(quint32, parseUnsigned(value, _tmp), audioFile.techInfo().setAudioSamplerate(_tmp));              return;
 516                 case propertyId_bitdepth:          SET_OPTIONAL(quint32, parseUnsigned(value, _tmp), audioFile.techInfo().setAudioBitdepth(_tmp));                return;
 517                 case propertyId_bitrate:           SET_OPTIONAL(quint32, parseUnsigned(value, _tmp), audioFile.techInfo().setAudioBitrate(DIV_RND(_tmp, 1000U))); return;
 518                 case propertyId_bitrate_mode:      SET_OPTIONAL(quint32, parseRCMode(value, _tmp), audioFile.techInfo().setAudioBitrateMode(_tmp));               return;
 519                 case propertyId_encoded_library:   audioFile.techInfo().setAudioEncodeLib(cleanAsciiStr(value));                                                  return;
 520                 case propertyId_cover_mime:        coverMimeType = value;                                                                                         return;
 521                 case propertyId_cover_data:        retrieveCover(audioFile, coverMimeType, value);                                                                return;
 522                 default: MUTILS_THROW_FMT("Invalid property ID: %d", propertyIdx);
 523         }
 524 }
 525
 526 bool AnalyzeTask::checkFile_CDDA(QFile &file)
 527 {
 528         file.reset();
 529         QByteArray data = file.read(128);
 530
 531         int i = data.indexOf("RIFF");
 532         int j = data.indexOf("CDDA");
 533         int k = data.indexOf("fmt ");
 534
 535         return ((i >= 0) && (j >= 0) && (k >= 0) && (k > j) && (j > i));
 536 }
 537
 538 void AnalyzeTask::retrieveCover(AudioFileModel &audioFile, const QString &coverType, const QString &coverData)
 539 {
 540         const QByteArray content = QByteArray::fromBase64(coverData.toLatin1());
 541         const QString type = m_mimeTypes.value(coverType.toLower());
 542         qDebug("Retrieving cover! (mime=\"%s\", type=\"%s\", len=%d)", MUTILS_L1STR(coverType), MUTILS_L1STR(type), content.size());
 543         if(!QImage::fromData(content, type.isEmpty() ? NULL : MUTILS_L1STR(type.toUpper())).isNull())
 544         {
 545                 QFile coverFile(QString("%1/%2.%3").arg(MUtils::temp_folder(), MUtils::next_rand_str(), type.isEmpty() ? QLatin1String("jpg") : type));
 546                 if(coverFile.open(QIODevice::WriteOnly))
 547                 {
 548                         coverFile.write(content);
 549                         coverFile.close();
 550                         audioFile.metaInfo().setCover(coverFile.fileName(), true);
 551                 }
 552         }
 553         else
 554         {
 555                 qWarning("Image data seems to be invalid! [Header:%s]", content.left(32).toHex().constData());
 556         }
 557 }
 558
 559
 560 bool AnalyzeTask::analyzeAvisynthFile(const QString &filePath, AudioFileModel &info)
 561 {
 562         QProcess process;
 563         MUtils::init_process(process, QFileInfo(m_avs2wavBin).absolutePath());
 564
 565         process.start(m_avs2wavBin, QStringList() << QDir::toNativeSeparators(filePath) << "?");
 566
 567         if(!process.waitForStarted())
 568         {
 569                 qWarning("AVS2WAV process failed to create!");
 570                 qWarning("Error message: \"%s\"\n", process.errorString().toLatin1().constData());
 571                 process.kill();
 572                 process.waitForFinished(-1);
 573                 return false;
 574         }
 575
 576         bool bInfoHeaderFound = false;
 577
 578         while(process.state() != QProcess::NotRunning)
 579         {
 580                 if(MUTILS_BOOLIFY(m_abortFlag))
 581                 {
 582                         process.kill();
 583                         qWarning("Process was aborted on user request!");
 584                         break;
 585                 }
 586
 587                 if(!process.waitForReadyRead())
 588                 {
 589                         if(process.state() == QProcess::Running)
 590                         {
 591                                 qWarning("AVS2WAV time out. Killing process and skipping file!");
 592                                 process.kill();
 593                                 process.waitForFinished(-1);
 594                                 return false;
 595                         }
 596                 }
 597
 598                 while(process.canReadLine())
 599                 {
 600                         const QString line = QString::fromUtf8(process.readLine().constData()).simplified();
 601                         if(!line.isEmpty())
 602                         {
 603                                 if(bInfoHeaderFound)
 604                                 {
 605                                         const qint32 index = line.indexOf(':');
 606                                         if (index > 0)
 607                                         {
 608                                                 const QString key = line.left(index).trimmed();
 609                                                 const QString val = line.mid(index + 1).trimmed();
 610                                                 if (!(key.isEmpty() || val.isEmpty()))
 611                                                 {
 612                                                         switch (m_avisynthIdx.value(key.toLower(), MI_propertyId_t(-1)))
 613                                                         {
 614                                                                 case propertyId_duration:     SET_OPTIONAL(quint32, parseUnsigned(val, _tmp), info.techInfo().setDuration(_tmp));        break;
 615                                                                 case propertyId_samplingrate: SET_OPTIONAL(quint32, parseUnsigned(val, _tmp), info.techInfo().setAudioSamplerate(_tmp)); break;
 616                                                                 case propertyId_channel_s_:   SET_OPTIONAL(quint32, parseUnsigned(val, _tmp), info.techInfo().setAudioChannels(_tmp));   break;
 617                                                                 case propertyId_bitdepth:     SET_OPTIONAL(quint32, parseUnsigned(val, _tmp), info.techInfo().setAudioBitdepth(_tmp));   break;
 618                                                         }
 619                                                 }
 620                                         }
 621                                 }
 622                                 else
 623                                 {
 624                                         if(line.contains("[Audio Info]", Qt::CaseInsensitive))
 625                                         {
 626                                                 info.techInfo().setAudioType("Avisynth");
 627                                                 info.techInfo().setContainerType("Avisynth");
 628                                                 bInfoHeaderFound = true;
 629                                         }
 630                                 }
 631                         }
 632                 }
 633         }
 634
 635         process.waitForFinished();
 636         if(process.state() != QProcess::NotRunning)
 637         {
 638                 process.kill();
 639                 process.waitForFinished(-1);
 640         }
 641
 642         //Check exit code
 643         switch(process.exitCode())
 644         {
 645         case 0:
 646                 qDebug("Avisynth script was analyzed successfully.");
 647                 return true;
 648                 break;
 649         case -5:
 650                 qWarning("It appears that Avisynth is not installed on the system!");
 651                 return false;
 652                 break;
 653         default:
 654                 qWarning("Failed to open the Avisynth script, bad AVS file?");
 655                 return false;
 656                 break;
 657         }
 658 }
 659
 660 // ---------------------------------------------------------
 661 // Utility Functions
 662 // ---------------------------------------------------------
 663
 664 QString AnalyzeTask::decodeStr(const QString &str, const QString &encoding)
 665 {
 666         if (STRICMP(encoding, QLatin1String("binary.base64")))
 667         {
 668                 const QString decoded = QString::fromUtf8(QByteArray::fromBase64(str.toLatin1()));
 669                 return decoded;
 670         }
 671         return QString();
 672 }
 673
 674 bool AnalyzeTask::parseUnsigned(const QString &str, quint32 &value)
 675 {
 676         bool okay = false;
 677         value = str.toUInt(&okay);
 678         return okay;
 679 }
 680 bool AnalyzeTask::parseFloat(const QString &str, double &value)
 681 {
 682         bool okay = false;
 683         value = QLocale::c().toDouble(str, &okay);
 684         return okay;
 685 }
 686
 687 bool AnalyzeTask::parseYear(const QString &str, quint32 &value)
 688 {
 689         if (str.startsWith(QLatin1String("UTC"), Qt::CaseInsensitive))
 690         {
 691                 const QDate date = QDate::fromString(str.mid(3).trimmed().left(10), QLatin1String("yyyy-MM-dd"));
 692                 if (date.isValid())
 693                 {
 694                         value = date.year();
 695                         return true;
 696                 }
 697                 return false;
 698         }
 699         else
 700         {
 701                 return parseUnsigned(str, value);
 702         }
 703 }
 704
 705 bool AnalyzeTask::parseRCMode(const QString &str, quint32 &value)
 706 {
 707         if (STRICMP(str, QLatin1String("CBR")))
 708         {
 709                 value = AudioFileModel::BitrateModeConstant;
 710                 return true;
 711         }
 712         if (STRICMP(str, QLatin1String("VBR")))
 713         {
 714                 value = AudioFileModel::BitrateModeVariable;
 715                 return true;
 716         }
 717         return false;
 718 }
 719
 720 QString AnalyzeTask::cleanAsciiStr(const QString &str)
 721 {
 722         QByteArray ascii = str.toLatin1();
 723         for (QByteArray::Iterator iter = ascii.begin(); iter != ascii.end(); ++iter)
 724         {
 725                 if ((*iter < 0x20) || (*iter >= 0x7F)) *iter = 0x3F;
 726         }
 727         return QString::fromLatin1(ascii).remove(QLatin1Char('?')).simplified();
 728 }
 729
 730 bool AnalyzeTask::findNextElement(const QString &name, QXmlStreamReader &xmlStream)
 731 {
 732         while (xmlStream.readNextStartElement())
 733         {
 734                 if (STRICMP(xmlStream.name(), name))
 735                 {
 736                         return true;
 737                 }
 738                 xmlStream.skipCurrentElement();
 739         }
 740         return false;
 741 }
 742
 743 QString AnalyzeTask::findAttribute(const QString &name, const QXmlStreamAttributes &xmlAttributes)
 744 {
 745         for (QXmlStreamAttributes::ConstIterator iter = xmlAttributes.constBegin(); iter != xmlAttributes.constEnd(); ++iter)
 746         {
 747                 if (STRICMP(iter->name(), name))
 748                 {
 749                         const QString value = iter->value().toString().simplified();
 750                         if (!value.isEmpty())
 751                         {
 752                                 return value; /*found*/
 753                         }
 754                 }
 755         }
 756         return QString();
 757 }
 758
 759 bool AnalyzeTask::checkVersionStr(const QString &str, const quint32 expectedMajor, const quint32 expectedMinor)
 760 {
 761         QRegExp version("^(\\d+)\\.(\\d+)($|\\.)");
 762         if (version.indexIn(str) >= 0)
 763         {
 764                 quint32 actual[2];
 765                 if (MUtils::regexp_parse_uint32(version, actual, 2))
 766                 {
 767                         if ((actual[0] == expectedMajor) && (actual[1] >= expectedMinor))
 768                         {
 769                                 return true;
 770                         }
 771                 }
 772         }
 773         return false;
 774 }
 775
 776 ////////////////////////////////////////////////////////////
 777 // Public Functions
 778 ////////////////////////////////////////////////////////////
 779
 780 /*NONE*/
 781
 782 ////////////////////////////////////////////////////////////
 783 // EVENTS
 784 ////////////////////////////////////////////////////////////
 785
 786 /*NONE*/