src/Registry_Encoder.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 "Registry_Encoder.h"
  24
  25 #include "Global.h"
  26 #include "Model_Settings.h"
  27 #include "Encoder_AAC.h"
  28 #include "Encoder_AAC_FHG.h"
  29 #include "Encoder_AAC_FDK.h"
  30 #include "Encoder_AAC_QAAC.h"
  31 #include "Encoder_AC3.h"
  32 #include "Encoder_DCA.h"
  33 #include "Encoder_FLAC.h"
  34 #include "Encoder_MP3.h"
  35 #include "Encoder_Vorbis.h"
  36 #include "Encoder_Opus.h"
  37 #include "Encoder_MAC.h"
  38 #include "Encoder_Wave.h"
  39
  40 #define IS_VBR(RC_MODE) ((RC_MODE) == SettingsModel::VBRMode)
  41 #define IS_ABR(RC_MODE) ((RC_MODE) == SettingsModel::ABRMode)
  42 #define IS_CBR(RC_MODE) ((RC_MODE) == SettingsModel::CBRMode)
  43
  44 ////////////////////////////////////////////////////////////
  45 // Create encoder instance
  46 ////////////////////////////////////////////////////////////
  47
  48 AbstractEncoder *EncoderRegistry::createInstance(const int encoderId, const SettingsModel *settings)
  49 {
  50         int rcMode = -1;
  51         AbstractEncoder *encoder =  NULL;
  52
  53         //Create new encoder instance and apply encoder-specific settings
  54         switch(encoderId)
  55         {
  56         /*-------- MP3Encoder /*--------*/
  57         case SettingsModel::MP3Encoder:
  58                 {
  59                         MP3Encoder *const mp3Encoder = new MP3Encoder();
  60                         mp3Encoder->setAlgoQuality(settings->lameAlgoQuality());
  61                         if(settings->bitrateManagementEnabled())
  62                         {
  63                                 mp3Encoder->setBitrateLimits(settings->bitrateManagementMinRate(), settings->bitrateManagementMaxRate());
  64                         }
  65                         mp3Encoder->setChannelMode(settings->lameChannelMode());
  66                         encoder = mp3Encoder;
  67                 }
  68                 break;
  69         /*-------- VorbisEncoder /*--------*/
  70         case SettingsModel::VorbisEncoder:
  71                 {
  72                         VorbisEncoder *const vorbisEncoder = new VorbisEncoder();
  73                         if(settings->bitrateManagementEnabled())
  74                         {
  75                                 vorbisEncoder->setBitrateLimits(settings->bitrateManagementMinRate(), settings->bitrateManagementMaxRate());
  76                         }
  77                         encoder = vorbisEncoder;
  78                 }
  79                 break;
  80         /*-------- AACEncoder /*--------*/
  81         case SettingsModel::AACEncoder:
  82                 {
  83                         switch(getAacEncoder())
  84                         {
  85                         case SettingsModel::AAC_ENCODER_QAAC:
  86                                 {
  87                                         QAACEncoder *const aacEncoder = new QAACEncoder();
  88                                         aacEncoder->setProfile(settings->aacEncProfile());
  89                                         aacEncoder->setAlgoQuality(settings->lameAlgoQuality());
  90                                         encoder = aacEncoder;
  91                                 }
  92                                 break;
  93                         case SettingsModel::AAC_ENCODER_FHG:
  94                                 {
  95                                         FHGAACEncoder *const aacEncoder = new FHGAACEncoder();
  96                                         aacEncoder->setProfile(settings->aacEncProfile());
  97                                         encoder = aacEncoder;
  98                                 }
  99                                 break;
 100                         case SettingsModel::AAC_ENCODER_FDK:
 101                                 {
 102                                         FDKAACEncoder *const aacEncoder = new FDKAACEncoder();
 103                                         aacEncoder->setProfile(settings->aacEncProfile());
 104                                         encoder = aacEncoder;
 105                                 }
 106                                 break;
 107                         case SettingsModel::AAC_ENCODER_NERO:
 108                                 {
 109                                         AACEncoder *const aacEncoder = new AACEncoder();
 110                                         aacEncoder->setEnable2Pass(settings->neroAACEnable2Pass());
 111                                         aacEncoder->setProfile(settings->aacEncProfile());
 112                                         encoder = aacEncoder;
 113                                 }
 114                                 break;
 115                         default:
 116                                 MUTILS_THROW("makeEncoder(): Unknown AAC encoder specified!");
 117                                 break;
 118                         }
 119                 }
 120                 break;
 121         /*-------- AC3Encoder /*--------*/
 122         case SettingsModel::AC3Encoder:
 123                 {
 124                         AC3Encoder *const ac3Encoder = new AC3Encoder();
 125                         ac3Encoder->setAudioCodingMode(settings->aftenAudioCodingMode());
 126                         ac3Encoder->setDynamicRangeCompression(settings->aftenDynamicRangeCompression());
 127                         ac3Encoder->setExponentSearchSize(settings->aftenExponentSearchSize());
 128                         ac3Encoder->setFastBitAllocation(settings->aftenFastBitAllocation());
 129                         encoder = ac3Encoder;
 130                 }
 131                 break;
 132         /*-------- FLACEncoder /*--------*/
 133         case SettingsModel::FLACEncoder:
 134                 {
 135                         FLACEncoder *const flacEncoder = new FLACEncoder();
 136                         encoder = flacEncoder;
 137                 }
 138                 break;
 139         /*-------- OpusEncoder --------*/
 140         case SettingsModel::OpusEncoder:
 141                 {
 142                         OpusEncoder *const opusEncoder = new OpusEncoder();
 143                         opusEncoder->setOptimizeFor(settings->opusOptimizeFor());
 144                         opusEncoder->setEncodeComplexity(settings->opusComplexity());
 145                         opusEncoder->setFrameSize(settings->opusFramesize());
 146                         encoder = opusEncoder;
 147                 }
 148                 break;
 149         /*-------- DCAEncoder --------*/
 150         case SettingsModel::DCAEncoder:
 151                 {
 152                         DCAEncoder *const dcaEncoder = new DCAEncoder();
 153                         encoder = dcaEncoder;
 154                 }
 155                 break;
 156         /*-------- MACEncoder --------*/
 157         case SettingsModel::MACEncoder:
 158                 {
 159                         MACEncoder *const macEncoder = new MACEncoder();
 160                         encoder = macEncoder;
 161                 }
 162                 break;
 163         /*-------- PCMEncoder --------*/
 164         case SettingsModel::PCMEncoder:
 165                 {
 166                         WaveEncoder *const waveEncoder = new WaveEncoder();
 167                         encoder = waveEncoder;
 168                 }
 169                 break;
 170         /*-------- default --------*/
 171         default:
 172                 MUTILS_THROW("Unsupported encoder!");
 173         }
 174
 175         //Sanity checking
 176         if(!encoder)
 177         {
 178                 MUTILS_THROW("No encoder instance has been assigend!");
 179         }
 180
 181         //Apply common settings
 182         encoder->setRCMode(rcMode = loadEncoderMode(settings, encoderId));
 183         encoder->setCustomParams(loadEncoderCustomParams(settings, encoderId));
 184         encoder->setBitrate(loadEncoderValue(settings, encoderId, rcMode));
 185
 186         return encoder;
 187 }
 188
 189 ////////////////////////////////////////////////////////////
 190 // Get encoder info
 191 ////////////////////////////////////////////////////////////
 192
 193 const AbstractEncoderInfo *EncoderRegistry::getEncoderInfo(const int encoderId)
 194 {
 195         const AbstractEncoderInfo *info = NULL;
 196
 197         switch(encoderId)
 198         {
 199                 case SettingsModel::MP3Encoder:    info = MP3Encoder   ::getEncoderInfo(); break;
 200                 case SettingsModel::VorbisEncoder: info = VorbisEncoder::getEncoderInfo(); break;
 201                 case SettingsModel::AC3Encoder:    info = AC3Encoder   ::getEncoderInfo(); break;
 202                 case SettingsModel::FLACEncoder:   info = FLACEncoder  ::getEncoderInfo(); break;
 203                 case SettingsModel::OpusEncoder:   info = OpusEncoder  ::getEncoderInfo(); break;
 204                 case SettingsModel::DCAEncoder:    info = DCAEncoder   ::getEncoderInfo(); break;
 205                 case SettingsModel::MACEncoder:    info = MACEncoder   ::getEncoderInfo(); break;
 206                 case SettingsModel::PCMEncoder:    info = WaveEncoder  ::getEncoderInfo(); break;
 207                 case SettingsModel::AACEncoder:
 208                         switch(getAacEncoder())
 209                         {
 210                                 case SettingsModel::AAC_ENCODER_QAAC: info = QAACEncoder  ::getEncoderInfo(); break;
 211                                 case SettingsModel::AAC_ENCODER_FHG:  info = FHGAACEncoder::getEncoderInfo(); break;
 212                                 case SettingsModel::AAC_ENCODER_FDK:  info = FDKAACEncoder::getEncoderInfo(); break;
 213                                 case SettingsModel::AAC_ENCODER_NERO: info = AACEncoder   ::getEncoderInfo(); break;
 214                                 default: MUTILS_THROW("Unknown AAC encoder specified!");
 215                         }
 216                         break;
 217                 default: MUTILS_THROW("Unsupported encoder!");
 218         }
 219
 220         //Sanity checking
 221         if(!info)
 222         {
 223                 MUTILS_THROW("No encoder instance has been assigend!");
 224         }
 225
 226         return info;
 227 }
 228
 229 ////////////////////////////////////////////////////////////
 230 // Load/store encoder RC mode
 231 ////////////////////////////////////////////////////////////
 232
 233 #define STORE_MODE(ENCODER_ID, RC_MODE) do \
 234 { \
 235         settings->compressionRCMode##ENCODER_ID(RC_MODE); \
 236 } \
 237 while(0)
 238
 239 #define LOAD_MODE(RC_MODE, ENCODER_ID) do \
 240 { \
 241         (RC_MODE) = settings->compressionRCMode##ENCODER_ID(); \
 242 } \
 243 while(0)
 244
 245 void EncoderRegistry::saveEncoderMode(SettingsModel *settings, const int encoderId, const int rcMode)
 246 {
 247         //Sanity checking
 248         if((rcMode < SettingsModel::VBRMode) || (rcMode > SettingsModel::CBRMode))
 249         {
 250                 MUTILS_THROW("Unknown rate-control mode!");
 251         }
 252
 253         //Store the encoder bitrate/quality value
 254         switch(encoderId)
 255         {
 256                 case SettingsModel::MP3Encoder:    STORE_MODE(LAME,    rcMode); break;
 257                 case SettingsModel::VorbisEncoder: STORE_MODE(OggEnc,  rcMode); break;
 258                 case SettingsModel::AACEncoder:    STORE_MODE(AacEnc,  rcMode); break;
 259                 case SettingsModel::AC3Encoder:    STORE_MODE(Aften,   rcMode); break;
 260                 case SettingsModel::FLACEncoder:   STORE_MODE(FLAC,    rcMode); break;
 261                 case SettingsModel::OpusEncoder:   STORE_MODE(OpusEnc, rcMode); break;
 262                 case SettingsModel::DCAEncoder:    STORE_MODE(DcaEnc,  rcMode); break;
 263                 case SettingsModel::MACEncoder:    STORE_MODE(MacEnc,  rcMode); break;
 264                 case SettingsModel::PCMEncoder:    STORE_MODE(Wave,    rcMode); break;
 265                 default: MUTILS_THROW("Unsupported encoder!");
 266         }
 267 }
 268
 269 int EncoderRegistry::loadEncoderMode(const SettingsModel *settings, const int encoderId)
 270 {
 271         int rcMode = -1;
 272
 273         //Store the encoder bitrate/quality value
 274         switch(encoderId)
 275         {
 276                 case SettingsModel::MP3Encoder:    LOAD_MODE(rcMode, LAME);    break;
 277                 case SettingsModel::VorbisEncoder: LOAD_MODE(rcMode, OggEnc);  break;
 278                 case SettingsModel::AACEncoder:    LOAD_MODE(rcMode, AacEnc);  break;
 279                 case SettingsModel::AC3Encoder:    LOAD_MODE(rcMode, Aften);   break;
 280                 case SettingsModel::FLACEncoder:   LOAD_MODE(rcMode, FLAC);    break;
 281                 case SettingsModel::OpusEncoder:   LOAD_MODE(rcMode, OpusEnc); break;
 282                 case SettingsModel::DCAEncoder:    LOAD_MODE(rcMode, DcaEnc);  break;
 283                 case SettingsModel::MACEncoder:    LOAD_MODE(rcMode, MacEnc);  break;
 284                 case SettingsModel::PCMEncoder:    LOAD_MODE(rcMode, Wave);    break;
 285                 default: MUTILS_THROW("Unsupported encoder!");
 286         }
 287
 288         return rcMode;
 289 }
 290
 291 ////////////////////////////////////////////////////////////
 292 // Load/store encoder bitrate/quality value
 293 ////////////////////////////////////////////////////////////
 294
 295 #define STORE_VALUE(ENCODER_ID, RC_MODE, VALUE) do \
 296 { \
 297         if(IS_VBR(RC_MODE)) settings->compressionVbrQuality##ENCODER_ID(VALUE); \
 298         if(IS_ABR(RC_MODE)) settings->compressionAbrBitrate##ENCODER_ID(VALUE); \
 299         if(IS_CBR(RC_MODE)) settings->compressionCbrBitrate##ENCODER_ID(VALUE); \
 300 } \
 301 while(0)
 302
 303 #define LOAD_VALUE(VALUE, ENCODER_ID, RC_MODE) do \
 304 { \
 305         if(IS_VBR(RC_MODE)) (VALUE) = settings->compressionVbrQuality##ENCODER_ID(); \
 306         if(IS_ABR(RC_MODE)) (VALUE) = settings->compressionAbrBitrate##ENCODER_ID(); \
 307         if(IS_CBR(RC_MODE)) (VALUE) = settings->compressionCbrBitrate##ENCODER_ID(); \
 308 } \
 309 while(0)
 310
 311 void EncoderRegistry::saveEncoderValue(SettingsModel *settings, const int encoderId, const int rcMode, const int value)
 312 {
 313         //Sanity checking
 314         if((rcMode < SettingsModel::VBRMode) || (rcMode > SettingsModel::CBRMode))
 315         {
 316                 MUTILS_THROW("Unknown rate-control mode!");
 317         }
 318
 319         //Store the encoder bitrate/quality value
 320         switch(encoderId)
 321         {
 322                 case SettingsModel::MP3Encoder:    STORE_VALUE(LAME,    rcMode, value); break;
 323                 case SettingsModel::VorbisEncoder: STORE_VALUE(OggEnc,  rcMode, value); break;
 324                 case SettingsModel::AACEncoder:    STORE_VALUE(AacEnc,  rcMode, value); break;
 325                 case SettingsModel::AC3Encoder:    STORE_VALUE(Aften,   rcMode, value); break;
 326                 case SettingsModel::FLACEncoder:   STORE_VALUE(FLAC,    rcMode, value); break;
 327                 case SettingsModel::OpusEncoder:   STORE_VALUE(OpusEnc, rcMode, value); break;
 328                 case SettingsModel::DCAEncoder:    STORE_VALUE(DcaEnc,  rcMode, value); break;
 329                 case SettingsModel::MACEncoder:    STORE_VALUE(MacEnc,  rcMode, value); break;
 330                 case SettingsModel::PCMEncoder:    STORE_VALUE(Wave,    rcMode, value); break;
 331                 default: MUTILS_THROW("Unsupported encoder!");
 332         }
 333 }
 334
 335 int EncoderRegistry::loadEncoderValue(const SettingsModel *settings, const int encoderId, const int rcMode)
 336 {
 337         int value = INT_MAX;
 338
 339         //Sanity checking
 340         if((rcMode < SettingsModel::VBRMode) || (rcMode > SettingsModel::CBRMode))
 341         {
 342                 MUTILS_THROW("Unknown rate-control mode!");
 343         }
 344
 345         //Load the encoder bitrate/quality value
 346         switch(encoderId)
 347         {
 348                 case SettingsModel::MP3Encoder:    LOAD_VALUE(value, LAME,    rcMode); break;
 349                 case SettingsModel::VorbisEncoder: LOAD_VALUE(value, OggEnc,  rcMode); break;
 350                 case SettingsModel::AACEncoder:    LOAD_VALUE(value, AacEnc,  rcMode); break;
 351                 case SettingsModel::AC3Encoder:    LOAD_VALUE(value, Aften,   rcMode); break;
 352                 case SettingsModel::FLACEncoder:   LOAD_VALUE(value, FLAC,    rcMode); break;
 353                 case SettingsModel::OpusEncoder:   LOAD_VALUE(value, OpusEnc, rcMode); break;
 354                 case SettingsModel::DCAEncoder:    LOAD_VALUE(value, DcaEnc,  rcMode); break;
 355                 case SettingsModel::MACEncoder:    LOAD_VALUE(value, MacEnc,  rcMode); break;
 356                 case SettingsModel::PCMEncoder:    LOAD_VALUE(value, Wave,    rcMode); break;
 357                 default: MUTILS_THROW("Unsupported encoder!");
 358         }
 359
 360         return value;
 361 }
 362
 363 ////////////////////////////////////////////////////////////
 364 // Load/store encoder custom parameters
 365 ////////////////////////////////////////////////////////////
 366
 367 #define STORE_PARAMS(ENCODER_ID, PARAMS) do \
 368 { \
 369         settings->customParameters##ENCODER_ID(PARAMS); \
 370 } \
 371 while(0)
 372
 373 #define LOAD_PARAMS(PARAMS, ENCODER_ID) do \
 374 { \
 375         (PARAMS) = settings->customParameters##ENCODER_ID(); \
 376 } \
 377 while(0)
 378
 379 void EncoderRegistry::saveEncoderCustomParams(SettingsModel *settings, const int encoderId, const QString &params)
 380 {
 381         //Store the encoder bitrate/quality value
 382         switch(encoderId)
 383         {
 384                 case SettingsModel::MP3Encoder:    STORE_PARAMS(LAME,    params.trimmed()); break;
 385                 case SettingsModel::VorbisEncoder: STORE_PARAMS(OggEnc,  params.trimmed()); break;
 386                 case SettingsModel::AACEncoder:    STORE_PARAMS(AacEnc,  params.trimmed()); break;
 387                 case SettingsModel::AC3Encoder:    STORE_PARAMS(Aften,   params.trimmed()); break;
 388                 case SettingsModel::FLACEncoder:   STORE_PARAMS(FLAC,    params.trimmed()); break;
 389                 case SettingsModel::OpusEncoder:   STORE_PARAMS(OpusEnc, params.trimmed()); break;
 390                 case SettingsModel::DCAEncoder:    STORE_PARAMS(DcaEnc,  params.trimmed()); break;
 391                 case SettingsModel::MACEncoder:    STORE_PARAMS(MacEnc,  params.trimmed()); break;
 392                 case SettingsModel::PCMEncoder:    STORE_PARAMS(Wave,    params.trimmed()); break;
 393                 default: MUTILS_THROW("Unsupported encoder!");
 394         }
 395 }
 396
 397 QString EncoderRegistry::loadEncoderCustomParams(const SettingsModel *settings, const int encoderId)
 398 {
 399         QString params;
 400
 401         //Load the encoder bitrate/quality value
 402         switch(encoderId)
 403         {
 404                 case SettingsModel::MP3Encoder:    LOAD_PARAMS(params, LAME);    break;
 405                 case SettingsModel::VorbisEncoder: LOAD_PARAMS(params, OggEnc);  break;
 406                 case SettingsModel::AACEncoder:    LOAD_PARAMS(params, AacEnc);  break;
 407                 case SettingsModel::AC3Encoder:    LOAD_PARAMS(params, Aften);   break;
 408                 case SettingsModel::FLACEncoder:   LOAD_PARAMS(params, FLAC);    break;
 409                 case SettingsModel::OpusEncoder:   LOAD_PARAMS(params, OpusEnc); break;
 410                 case SettingsModel::DCAEncoder:    LOAD_PARAMS(params, DcaEnc);  break;
 411                 case SettingsModel::MACEncoder:    LOAD_PARAMS(params, MacEnc);  break;
 412                 case SettingsModel::PCMEncoder:    LOAD_PARAMS(params, Wave);    break;
 413                 default: MUTILS_THROW("Unsupported encoder!");
 414         }
 415
 416         return params;
 417 }
 418
 419 ////////////////////////////////////////////////////////////
 420 // Reset encoder settings
 421 ////////////////////////////////////////////////////////////
 422
 423 #define RESET_SETTING(OBJ,NAME) do \
 424 { \
 425         (OBJ)->NAME((OBJ)->NAME##Default()); \
 426 } \
 427 while(0)
 428
 429 void EncoderRegistry::resetAllEncoders(SettingsModel *settings)
 430 {
 431         RESET_SETTING(settings, compressionAbrBitrateAacEnc);
 432         RESET_SETTING(settings, compressionAbrBitrateAften);
 433         RESET_SETTING(settings, compressionAbrBitrateDcaEnc);
 434         RESET_SETTING(settings, compressionAbrBitrateFLAC);
 435         RESET_SETTING(settings, compressionAbrBitrateLAME);
 436         RESET_SETTING(settings, compressionAbrBitrateMacEnc);
 437         RESET_SETTING(settings, compressionAbrBitrateOggEnc);
 438         RESET_SETTING(settings, compressionAbrBitrateOpusEnc);
 439         RESET_SETTING(settings, compressionAbrBitrateWave);
 440
 441         RESET_SETTING(settings, compressionCbrBitrateAacEnc);
 442         RESET_SETTING(settings, compressionCbrBitrateAften);
 443         RESET_SETTING(settings, compressionCbrBitrateDcaEnc);
 444         RESET_SETTING(settings, compressionCbrBitrateFLAC);
 445         RESET_SETTING(settings, compressionCbrBitrateLAME);
 446         RESET_SETTING(settings, compressionCbrBitrateMacEnc);
 447         RESET_SETTING(settings, compressionCbrBitrateOggEnc);
 448         RESET_SETTING(settings, compressionCbrBitrateOpusEnc);
 449         RESET_SETTING(settings, compressionCbrBitrateWave);
 450
 451         RESET_SETTING(settings, compressionRCModeAacEnc);
 452         RESET_SETTING(settings, compressionRCModeAften);
 453         RESET_SETTING(settings, compressionRCModeDcaEnc);
 454         RESET_SETTING(settings, compressionRCModeFLAC);
 455         RESET_SETTING(settings, compressionRCModeLAME);
 456         RESET_SETTING(settings, compressionRCModeMacEnc);
 457         RESET_SETTING(settings, compressionRCModeOggEnc);
 458         RESET_SETTING(settings, compressionRCModeOpusEnc);
 459         RESET_SETTING(settings, compressionRCModeWave);
 460
 461         RESET_SETTING(settings, compressionVbrQualityAacEnc);
 462         RESET_SETTING(settings, compressionVbrQualityAften);
 463         RESET_SETTING(settings, compressionVbrQualityDcaEnc);
 464         RESET_SETTING(settings, compressionVbrQualityFLAC);
 465         RESET_SETTING(settings, compressionVbrQualityLAME);
 466         RESET_SETTING(settings, compressionVbrQualityMacEnc);
 467         RESET_SETTING(settings, compressionVbrQualityOggEnc);
 468         RESET_SETTING(settings, compressionVbrQualityOpusEnc);
 469         RESET_SETTING(settings, compressionVbrQualityWave);
 470 }
 471
 472 ////////////////////////////////////////////////////////////
 473 // Get File Extensions
 474 ////////////////////////////////////////////////////////////
 475
 476 QStringList EncoderRegistry::getOutputFileExtensions(void)
 477 {
 478         QStringList list;
 479         for(int encoderId = SettingsModel::MP3Encoder; encoderId < SettingsModel::ENCODER_COUNT; encoderId++)
 480         {
 481                 if((encoderId == SettingsModel::AACEncoder) && (getAacEncoder() == SettingsModel::AAC_ENCODER_NONE))
 482                 {
 483                         continue;
 484                 }
 485                 list << QString::fromLatin1(getEncoderInfo(encoderId)->extension());
 486         }
 487         return list;
 488 }
 489
 490 ////////////////////////////////////////////////////////////
 491 // Static Functions
 492 ////////////////////////////////////////////////////////////
 493
 494 int EncoderRegistry::getAacEncoder(void)
 495 {
 496         if(lamexp_tools_check("qaac.exe") && lamexp_tools_check("libsoxr.dll") && lamexp_tools_check("libsoxconvolver.dll"))
 497         {
 498                 return SettingsModel::AAC_ENCODER_QAAC;
 499         }
 500         else if(lamexp_tools_check("qaac64.exe") && lamexp_tools_check("libsoxr64.dll") && lamexp_tools_check("libsoxconvolver64.dll"))
 501         {
 502                 return SettingsModel::AAC_ENCODER_QAAC;
 503         }
 504         else if(lamexp_tools_check("fdkaac.exe"))
 505         {
 506                 return SettingsModel::AAC_ENCODER_FDK;
 507         }
 508         else if(lamexp_tools_check("fhgaacenc.exe") && lamexp_tools_check("enc_fhgaac.dll") && lamexp_tools_check("nsutil.dll") && lamexp_tools_check("libmp4v2.dll"))
 509         {
 510                 return SettingsModel::AAC_ENCODER_FHG;
 511         }
 512         else if(lamexp_tools_check("neroAacEnc.exe") && lamexp_tools_check("neroAacDec.exe") && lamexp_tools_check("neroAacTag.exe"))
 513         {
 514                 return SettingsModel::AAC_ENCODER_NERO;
 515         }
 516         else
 517         {
 518                 return SettingsModel::AAC_ENCODER_NONE;
 519         }
 520 }