bool Flp::isValid(std::string filename) { std::fstream in(filename.c_str(),std::fstream::in|std::fstream::binary); if (! in.good()) return false; // check for the magic "FLhd" at the beginning int realMagic = makeId('F', 'L', 'h', 'd'); int magic = read32LE(in); if (realMagic != magic) return false; // header should be 6 bytes long const int header_len = read32LE(in); if (header_len != 6) return false; // some type thing const int type = read16LE(in); if (type != 0) return false; return true; }
bool FlpImport::tryFLPImport( trackContainer * _tc ) { const int mappedFilter[] = { basicFilters<>::LowPass,// fast LP basicFilters<>::LowPass, basicFilters<>::BandPass_CSG, basicFilters<>::HiPass, basicFilters<>::Notch, basicFilters<>::NumFilters+basicFilters<>::LowPass, basicFilters<>::LowPass, basicFilters<>::NumFilters+basicFilters<>::LowPass } ; const Arpeggiator::ArpDirections mappedArpDir[] = { Arpeggiator::ArpDirUp, Arpeggiator::ArpDirUp, Arpeggiator::ArpDirDown, Arpeggiator::ArpDirUpAndDown, Arpeggiator::ArpDirUpAndDown, Arpeggiator::ArpDirRandom } ; QMap<QString, int> mappedPluginTypes; // instruments mappedPluginTypes["sampler"] = FL_Plugin::Sampler; mappedPluginTypes["ts404"] = FL_Plugin::TS404; mappedPluginTypes["3x osc"] = FL_Plugin::Fruity_3x_Osc; mappedPluginTypes["beepmap"] = FL_Plugin::BeepMap; mappedPluginTypes["buzz generator adapter"] = FL_Plugin::BuzzGeneratorAdapter; mappedPluginTypes["fruit kick"] = FL_Plugin::FruitKick; mappedPluginTypes["fruity drumsynth live"] = FL_Plugin::FruityDrumSynthLive; mappedPluginTypes["fruity dx10"] = FL_Plugin::FruityDX10; mappedPluginTypes["fruity granulizer"] = FL_Plugin::FruityGranulizer; mappedPluginTypes["fruity slicer"] = FL_Plugin::FruitySlicer; mappedPluginTypes["fruity soundfont player"] = FL_Plugin::FruitySoundfontPlayer; mappedPluginTypes["fruity vibrator"] = FL_Plugin::FruityVibrator; mappedPluginTypes["midi out"] = FL_Plugin::MidiOut; mappedPluginTypes["plucked!"] = FL_Plugin::Plucked; mappedPluginTypes["simsynth"] = FL_Plugin::SimSynth; mappedPluginTypes["sytrus"] = FL_Plugin::Sytrus; mappedPluginTypes["wasp"] = FL_Plugin::WASP; // effects mappedPluginTypes["fruity 7 band EQ"] = FL_Plugin::Fruity7BandEq; mappedPluginTypes["fruity balance"] = FL_Plugin::FruityBalance; mappedPluginTypes["fruity bass boost"] = FL_Plugin::FruityBassBoost; mappedPluginTypes["fruity big clock"] = FL_Plugin::FruityBigClock; mappedPluginTypes["fruity blood overdrive"] = FL_Plugin::FruityBloodOverdrive; mappedPluginTypes["fruity center"] = FL_Plugin::FruityCenter; mappedPluginTypes["fruity chorus"] = FL_Plugin::FruityChorus; mappedPluginTypes["fruity compressor"] = FL_Plugin::FruityCompressor; mappedPluginTypes["fruity db meter"] = FL_Plugin::FruityDbMeter; mappedPluginTypes["fruity delay"] = FL_Plugin::FruityDelay; mappedPluginTypes["fruity delay 2"] = FL_Plugin::FruityDelay2; mappedPluginTypes["fruity fast dist"] = FL_Plugin::FruityFastDist; mappedPluginTypes["fruity fast lp"] = FL_Plugin::FruityFastLP; mappedPluginTypes["fruity filter"] = FL_Plugin::FruityFilter; mappedPluginTypes["fruity flanger"] = FL_Plugin::FruityFlanger; mappedPluginTypes["fruity formula controller"] = FL_Plugin::FruityFormulaController; mappedPluginTypes["fruity free filter"] = FL_Plugin::FruityFreeFilter; mappedPluginTypes["fruity html notebook"] = FL_Plugin::FruityHTMLNotebook; mappedPluginTypes["fruity lsd"] = FL_Plugin::FruityLSD; mappedPluginTypes["fruity mute 2"] = FL_Plugin::FruityMute2; mappedPluginTypes["fruity notebook"] = FL_Plugin::FruityNotebook; mappedPluginTypes["fruity panomatic"] = FL_Plugin::FruityPanOMatic; mappedPluginTypes["fruity parametric eq"] = FL_Plugin::FruityParametricEQ; mappedPluginTypes["fruity peak controller"] = FL_Plugin::FruityPeakController; mappedPluginTypes["fruity phase inverter"] = FL_Plugin::FruityPhaseInverter; mappedPluginTypes["fruity phaser"] = FL_Plugin::FruityPhaser; mappedPluginTypes["fruity reeverb"] = FL_Plugin::FruityReeverb; mappedPluginTypes["fruity scratcher"] = FL_Plugin::FruityScratcher; mappedPluginTypes["fruity send"] = FL_Plugin::FruitySend; mappedPluginTypes["fruity soft clipper"] = FL_Plugin::FruitySoftClipper; mappedPluginTypes["fruity spectroman"] = FL_Plugin::FruitySpectroman; mappedPluginTypes["fruity stereo enhancer"] = FL_Plugin::FruityStereoEnhancer; mappedPluginTypes["fruity x-y controller"] = FL_Plugin::FruityXYController; FL_Project p; if( openFile() == false ) { return false; } if( readID() != makeID( 'F', 'L', 'h', 'd' ) ) { qWarning( "FlpImport::tryImport(): not a valid FL project\n" ); return false; } const int header_len = read32LE(); if( header_len != 6 ) { qWarning( "FlpImport::tryImport(): invalid file format\n" ); return false; } const int type = read16LE(); if( type != 0 ) { qWarning( "FlpImport::tryImport(): type %d format is not " "supported\n", type ); return false; } p.numChannels = read16LE(); if( p.numChannels < 1 || p.numChannels > 1000 ) { qWarning( "FlpImport::tryImport(): invalid number of channels " "(%d)\n", p.numChannels ); return false; } const int ppq = read16LE(); if( ppq < 0 ) { qWarning( "FlpImport::tryImport(): invalid ppq\n" ); return false; } QProgressDialog progressDialog( trackContainer::tr( "Importing FLP-file..." ), trackContainer::tr( "Cancel" ), 0, p.numChannels ); progressDialog.setWindowTitle( trackContainer::tr( "Please wait..." ) ); progressDialog.show(); bool valid = false; // search for FLdt chunk while( 1 ) { Sint32 id = readID(); const int len = read32LE(); if( file().atEnd() ) { qWarning( "FlpImport::tryImport(): unexpected " "end of file\n" ); return false; } if( len < 0 || len >= 0x10000000 ) { qWarning( "FlpImport::tryImport(): invalid " "chunk length %d\n", len ); return false; } if( id == makeID( 'F', 'L', 'd', 't' ) ) { valid = true; break; } skip( len ); } if( valid == false ) { return false; } for( int i = 0; i < p.numChannels; ++i ) { p.channels += FL_Channel(); } qDebug( "channels: %d\n", p.numChannels ); char * text = NULL; int text_len = 0; FL_Plugin::PluginTypes last_plugin_type = FL_Plugin::UnknownPlugin; int cur_channel = -1; const bool is_journ = engine::projectJournal()->isJournalling(); engine::projectJournal()->setJournalling( false ); while( file().atEnd() == false ) { FLP_Events ev = static_cast<FLP_Events>( readByte() ); Uint32 data = readByte(); if( ev >= FLP_Word && ev < FLP_Text ) { data = data | ( readByte() << 8 ); } if( ev >= FLP_Int && ev < FLP_Text ) { data = data | ( readByte() << 16 ); data = data | ( readByte() << 24 ); } if( ev >= FLP_Text ) { text_len = data & 0x7F; Uint8 shift = 0; while( data & 0x80 ) { data = readByte(); text_len = text_len | ( ( data & 0x7F ) << ( shift += 7 ) ); } delete[] text; text = new char[text_len+1]; if( readBlock( text, text_len ) <= 0 ) { qWarning( "could not read string (len: %d)\n", text_len ); } text[text_len] = 0; } const unsigned char * puc = (const unsigned char*) text; const int * pi = (const int *) text; FL_Channel * cc = cur_channel >= 0 ? &p.channels[cur_channel] : NULL; switch( ev ) { // BYTE EVENTS case FLP_Byte: qDebug( "undefined byte %d\n", data ); break; case FLP_NoteOn: qDebug( "note on: %d\n", data ); // data = pos how to handle? break; case FLP_Vol: qDebug( "vol %d\n", data ); break; case FLP_Pan: qDebug( "pan %d\n", data ); break; case FLP_LoopActive: qDebug( "active loop: %d\n", data ); break; case FLP_ShowInfo: qDebug( "show info: %d\n", data ); break; case FLP_Shuffle: qDebug( "shuffle: %d\n", data ); break; case FLP_MainVol: p.mainVolume = data * 100 / 128; break; case FLP_PatLength: qDebug( "pattern length: %d\n", data ); break; case FLP_BlockLength: qDebug( "block length: %d\n", data ); break; case FLP_UseLoopPoints: cc->sampleUseLoopPoints = true; break; case FLP_LoopType: qDebug( "loop type: %d\n", data ); break; case FLP_ChanType: qDebug( "channel type: %d\n", data ); if( cc ) { switch( data ) { case 0: cc->pluginType = FL_Plugin::Sampler; break; case 1: cc->pluginType = FL_Plugin::TS404; break; // case 2: cc->pluginType = FL_Plugin::Fruity_3x_Osc; break; case 3: cc->pluginType = FL_Plugin::Layer; break; default: break; } } break; case FLP_MixSliceNum: cc->fxChannel = data+1; break; case FLP_EffectChannelMuted: if( p.currentEffectChannel <= NumFLFxChannels ) { p.effectChannels[p.currentEffectChannel].isMuted = ( data & 0x08 ) > 0 ? false : true; } break; // WORD EVENTS case FLP_NewChan: cur_channel = data; qDebug( "new channel: %d\n", data ); break; case FLP_NewPat: p.currentPattern = data - 1; if( p.currentPattern > p.maxPatterns ) { p.maxPatterns = p.currentPattern; } break; case FLP_Tempo: p.tempo = data; break; case FLP_CurrentPatNum: p.activeEditPattern = data; break; case FLP_FX: qDebug( "FX: %d\n", data ); break; case FLP_Fade_Stereo: if( data & 0x02 ) { cc->sampleReversed = true; } else if( data & 0x100 ) { cc->sampleReverseStereo = true; } qDebug( "fade stereo: %d\n", data ); break; case FLP_CutOff: qDebug( "cutoff (sample): %d\n", data ); break; case FLP_PreAmp: cc->sampleAmp = 100 + data * 100 / 256; break; case FLP_Decay: qDebug( "decay (sample): %d\n", data ); break; case FLP_Attack: qDebug( "attack (sample): %d\n", data ); break; case FLP_MainPitch: p.mainPitch = data; break; case FLP_Resonance: qDebug( "reso (sample): %d\n", data ); break; case FLP_LoopBar: qDebug( "loop bar: %d\n", data ); break; case FLP_StDel: qDebug( "stdel (delay?): %d\n", data ); break; case FLP_FX3: qDebug( "FX 3: %d\n", data ); break; case FLP_ShiftDelay: qDebug( "shift delay: %d\n", data ); break; case FLP_Dot: cc->dots.push_back( ( data & 0xff ) + ( p.currentPattern << 8 ) ); break; case FLP_LayerChans: p.channels[data].layerParent = cur_channel; // DWORD EVENTS case FLP_Color: cc->color = data; break; case FLP_PlayListItem: { FL_PlayListItem i; i.position = ( data & 0xffff ) * DefaultTicksPerTact; i.length = DefaultTicksPerTact; i.pattern = ( data >> 16 ) - 1; p.playListItems.push_back( i ); if( i.pattern > p.maxPatterns ) { p.maxPatterns = i.pattern; } break; } case FLP_FXSine: qDebug( "fx sine: %d\n", data ); break; case FLP_CutCutBy: qDebug( "cut cut by: %d\n", data ); break; case FLP_MiddleNote: cc->baseNote = data+9; break; case FLP_DelayReso: qDebug( "delay resonance: %d\n", data ); break; case FLP_Reverb: qDebug( "reverb (sample): %d\n", data ); break; case FLP_IntStretch: qDebug( "int stretch (sample): %d\n", data ); break; // TEXT EVENTS case FLP_Text_ChanName: cc->name = text; break; case FLP_Text_PatName: p.patternNames[p.currentPattern] = text; break; case FLP_Text_CommentRTF: { QByteArray ba( text, text_len ); QBuffer buf( &ba ); buf.open( QBuffer::ReadOnly ); lineno = 0; attr_clear_all(); op = html_init(); hash_init(); Word * word = word_read( &buf ); QString out; word_print( word, out ); word_free( word ); op_free( op ); p.projectNotes = out; outstring = ""; break; } case FLP_Text_Title: p.projectTitle = text; break; case FLP_Text_SampleFileName: { QString f = ""; QString f_name = text; /* if( f.mid( 1, 11 ) == "Instruments" ) { f = "\\Patches\\Packs" + f.mid( 12 ); }*/ bool foundFile = false; f_name.replace( '\\', QDir::separator() ); if( QFileInfo( configManager::inst()->flDir() + "/Data/" ).exists() ) { f = configManager::inst()->flDir() + "/Data/" + f_name; foundFile = QFileInfo( f ).exists(); } else { // FL 3 compat f = configManager::inst()->flDir() + "/Samples/" + f_name; foundFile = QFileInfo( f ).exists(); } if( ! foundFile ) { // look in same directory as .flp file f = m_fileBase + "/" + QFileInfo( f_name ).fileName(); printf("looking in %s for samples\n", qPrintable(f)); foundFile = QFileInfo( f ).exists(); } cc->sampleFileName = f; break; } case FLP_Text_Version: { qDebug( "FLP version: %s\n", text ); p.versionString = text; QStringList l = p.versionString.split( '.' ); p.version = ( l[0].toInt() << 8 ) + ( l[1].toInt() << 4 ) + ( l[2].toInt() << 0 ); if( p.version >= 0x600 ) { p.versionSpecificFactor = 100; } break; } case FLP_Text_PluginName: if( mappedPluginTypes. contains( QString( text ).toLower() ) ) { const FL_Plugin::PluginTypes t = static_cast<FL_Plugin::PluginTypes>( mappedPluginTypes[QString( text ).toLower()] ); if( t > FL_Plugin::EffectPlugin ) { qDebug( "recognized new effect %s\n", text ); p.effects.push_back( FL_Effect( t ) ); } else if( cc ) { qDebug( "recognized new plugin %s\n", text ); cc->pluginType = t; } last_plugin_type = t; } else { qDebug( "unsupported plugin: %s!\n", text ); } break; case FLP_Text_EffectChanName: ++p.currentEffectChannel; if( p.currentEffectChannel <= NumFLFxChannels ) { p.effectChannels[p.currentEffectChannel].name = text; } break; case FLP_Text_Delay: qDebug( "delay data: " ); // pi[1] seems to be volume or similiar and // needs to be divided // by p.versionSpecificFactor dump_mem( text, text_len ); break; case FLP_Text_TS404Params: if( cc && cc->pluginType == FL_Plugin::UnknownPlugin && cc->pluginSettings == NULL ) { cc->pluginSettings = new char[text_len]; memcpy( cc->pluginSettings, text, text_len ); cc->pluginSettingsLength = text_len; cc->pluginType = FL_Plugin::TS404; } break; case FLP_Text_NewPlugin: if( last_plugin_type > FL_Plugin::EffectPlugin ) { FL_Effect * e = &p.effects.last(); e->fxChannel = puc[0]; e->fxPos = puc[4]; qDebug( "new effect: " ); } else { qDebug( "new plugin: " ); } dump_mem( text, text_len ); break; case FLP_Text_PluginParams: if( cc && cc->pluginSettings == NULL ) { cc->pluginSettings = new char[text_len]; memcpy( cc->pluginSettings, text, text_len ); cc->pluginSettingsLength = text_len; } qDebug( "plugin params: " ); dump_mem( text, text_len ); break; case FLP_Text_ChanParams: cc->arpDir = mappedArpDir[pi[10]]; cc->arpRange = pi[11]; cc->selectedArp = pi[12]; if( cc->selectedArp < 8 ) { const int mappedArps[] = { 0, 1, 5, 6, 2, 3, 4 } ; cc->selectedArp = mappedArps[cc->selectedArp]; } cc->arpTime = ( ( pi[13]+1 ) * p.tempo ) / ( 4*16 ) + 1; cc->arpGate = ( pi[14] * 100.0f ) / 48.0f; cc->arpEnabled = pi[10] > 0; qDebug( "channel params: " ); dump_mem( text, text_len ); break; case FLP_Text_EnvLfoParams: { const float scaling = 1.0 / 65536.0f; FL_Channel_Envelope e; switch( cc->envelopes.size() ) { case 1: e.target = InstrumentSoundShaping::Volume; break; case 2: e.target = InstrumentSoundShaping::Cut; break; case 3: e.target = InstrumentSoundShaping::Resonance; break; default: e.target = InstrumentSoundShaping::NumTargets; break; } e.predelay = pi[2] * scaling; e.attack = pi[3] * scaling; e.hold = pi[4] * scaling; e.decay = pi[5] * scaling; e.sustain = 1-pi[6] / 128.0f; e.release = pi[7] * scaling; if( e.target == InstrumentSoundShaping::Volume ) { e.amount = pi[1] ? 1 : 0; } else { e.amount = pi[8] / 128.0f; } // e.lfoAmount = pi[11] / 128.0f; cc->envelopes.push_back( e ); qDebug( "envelope and lfo params:\n" ); dump_mem( text, text_len ); break; } case FLP_Text_BasicChanParams: cc->volume = ( pi[1] / p.versionSpecificFactor ) * 100 / 128; cc->panning = ( pi[0] / p.versionSpecificFactor ) * 200 / 128 - PanningRight; if( text_len > 12 ) { cc->filterType = mappedFilter[puc[20]]; cc->filterCut = puc[12] / ( 255.0f * 2.5f ); cc->filterRes = 0.01f + puc[16] / ( 256.0f * 2 ); cc->filterEnabled = ( puc[13] == 0 ); if( puc[20] >= 6 ) { cc->filterCut *= 0.5f; } } qDebug( "basic chan params: " ); dump_mem( text, text_len ); break; case FLP_Text_OldFilterParams: cc->filterType = mappedFilter[puc[8]]; cc->filterCut = puc[0] / ( 255.0f * 2.5 ); cc->filterRes = 0.1f + puc[4] / ( 256.0f * 2 ); cc->filterEnabled = ( puc[1] == 0 ); if( puc[8] >= 6 ) { cc->filterCut *= 0.5; } qDebug( "old filter params: " ); dump_mem( text, text_len ); break; case FLP_Text_AutomationData: { const int bpae = 12; const int imax = text_len / bpae; qDebug( "automation data (%d items)\n", imax ); for( int i = 0; i < imax; ++i ) { FL_Automation a; a.pos = pi[3*i+0] / ( 4*ppq / DefaultTicksPerTact ); a.value = pi[3*i+2]; a.channel = pi[3*i+1] >> 16; a.control = pi[3*i+1] & 0xffff; if( a.channel >= 0 && a.channel < p.numChannels ) { qDebug( "add channel %d at %d val %d control:%d\n", a.channel, a.pos, a.value, a.control ); p.channels[a.channel].automationData += a; } // dump_mem( text+i*bpae, bpae ); } break; } case FLP_Text_PatternNotes: { //dump_mem( text, text_len ); const int bpn = 20; const int imax = ( text_len + bpn - 1 ) / bpn; for( int i = 0; i < imax; ++i ) { int ch = *( puc + i*bpn + 6 ); int pan = *( puc + i*bpn + 16 ); int vol = *( puc + i*bpn + 17 ); int pos = *( (int *)( puc + i*bpn ) ); int key = *( puc + i*bpn + 12 ); int len = *( (int*)( puc + i*bpn + 8 ) ); pos /= (4*ppq) / DefaultTicksPerTact; len /= (4*ppq) / DefaultTicksPerTact; note n( len, pos, key, vol * 100 / 128, pan*200 / 128 - 100 ); if( ch < p.numChannels ) { p.channels[ch].notes.push_back( qMakePair( p.currentPattern, n ) ); } else { qDebug( "invalid " ); } qDebug( "note: " ); dump_mem( text+i*bpn, bpn ); } break; } case FLP_Text_ChanGroupName: qDebug( "channel group name: %s\n", text ); break; // case 216: pi[2] /= p.versionSpecificFactor // case 229: pi[1] /= p.versionSpecificFactor case 225: { enum FLP_EffectParams { EffectParamVolume = 0x1fc0 } ; const int bpi = 12; const int imax = text_len / bpi; for( int i = 0; i < imax; ++i ) { const int param = pi[i*3+1] & 0xffff; const int ch = ( pi[i*3+1] >> 22 ) & 0x7f; if( ch < 0 || ch > NumFLFxChannels ) { continue; } const int val = pi[i*3+2]; if( param == EffectParamVolume ) { p.effectChannels[ch].volume = ( val / p.versionSpecificFactor ) * 100 / 128; } else { qDebug( "FX-ch: %d param: %x value:%x\n", ch, param, val ); } } break; } case 233: // playlist items { const int bpi = 28; const int imax = text_len / bpi; for( int i = 0; i < imax; ++i ) { const int pos = pi[i*bpi/sizeof(int)+0] / ( (4*ppq) / DefaultTicksPerTact ); const int len = pi[i*bpi/sizeof(int)+2] / ( (4*ppq) / DefaultTicksPerTact ); const int pat = pi[i*bpi/sizeof(int)+3] & 0xfff; if( pat > 2146 && pat <= 2278 ) // whatever these magic numbers are for... { FL_PlayListItem i; i.position = pos; i.length = len; i.pattern = 2278 - pat; p.playListItems += i; } else { qDebug( "unknown playlist item: " ); dump_mem( text+i*bpi, bpi ); } } break; } default: if( ev >= FLP_Text ) { qDebug( "!! unhandled text (ev: %d, len: %d): ", ev, text_len ); dump_mem( text, text_len ); } else { qDebug( "!! handling of FLP-event %d not implemented yet " "(data=%d).\n", ev, data ); } break; } } // now create a project from FL_Project data structure engine::getSong()->clearProject(); // configure the mixer for( int i=0; i<NumFLFxChannels; ++i ) { engine::fxMixer()->createChannel(); } engine::fxMixerView()->refreshDisplay(); // set global parameters engine::getSong()->setMasterVolume( p.mainVolume ); engine::getSong()->setMasterPitch( p.mainPitch ); engine::getSong()->setTempo( p.tempo ); // set project notes engine::getProjectNotes()->setText( p.projectNotes ); progressDialog.setMaximum( p.maxPatterns + p.channels.size() + p.effects.size() ); int cur_progress = 0; // create BB tracks QList<bbTrack *> bb_tracks; QList<InstrumentTrack *> i_tracks; while( engine::getBBTrackContainer()->numOfBBs() <= p.maxPatterns ) { const int cur_pat = bb_tracks.size(); bbTrack * bbt = dynamic_cast<bbTrack *>( track::create( track::BBTrack, engine::getSong() ) ); if( p.patternNames.contains( cur_pat ) ) { bbt->setName( p.patternNames[cur_pat] ); } bb_tracks += bbt; progressDialog.setValue( ++cur_progress ); qApp->processEvents(); } // create instrument-track for each channel for( QList<FL_Channel>::Iterator it = p.channels.begin(); it != p.channels.end(); ++it ) { InstrumentTrack * t = dynamic_cast<InstrumentTrack *>( track::create( track::InstrumentTrack, engine::getBBTrackContainer() ) ); engine::getBBTrackContainer()->updateAfterTrackAdd(); i_tracks.push_back( t ); switch( it->pluginType ) { case FL_Plugin::Fruity_3x_Osc: it->instrumentPlugin = t->loadInstrument( "tripleoscillator" ); break; case FL_Plugin::Plucked: it->instrumentPlugin = t->loadInstrument( "vibedstrings" ); break; case FL_Plugin::FruitKick: it->instrumentPlugin = t->loadInstrument( "kicker" ); break; case FL_Plugin::TS404: it->instrumentPlugin = t->loadInstrument( "lb302" ); break; case FL_Plugin::FruitySoundfontPlayer: it->instrumentPlugin = t->loadInstrument( "sf2player" ); break; case FL_Plugin::Sampler: case FL_Plugin::UnknownPlugin: default: it->instrumentPlugin = t->loadInstrument( "audiofileprocessor" ); break; } processPluginParams( &( *it ) ); t->setName( it->name ); t->volumeModel()->setValue( it->volume ); t->panningModel()->setValue( it->panning ); t->baseNoteModel()->setValue( it->baseNote ); t->effectChannelModel()->setValue( it->fxChannel ); InstrumentSoundShaping * iss = &t->m_soundShaping; iss->m_filterModel.setValue( it->filterType ); iss->m_filterCutModel.setValue( it->filterCut * ( iss->m_filterCutModel.maxValue() - iss->m_filterCutModel.minValue() ) + iss->m_filterCutModel.minValue() ); iss->m_filterResModel.setValue( it->filterRes * ( iss->m_filterResModel.maxValue() - iss->m_filterResModel.minValue() ) + iss->m_filterResModel.minValue() ); iss->m_filterEnabledModel.setValue( it->filterEnabled ); for( QList<FL_Channel_Envelope>::iterator jt = it->envelopes.begin(); jt != it->envelopes.end(); ++jt ) { if( jt->target != InstrumentSoundShaping::NumTargets ) { EnvelopeAndLfoParameters * elp = iss->m_envLfoParameters[jt->target]; elp->m_predelayModel.setValue( jt->predelay ); elp->m_attackModel.setValue( jt->attack ); elp->m_holdModel.setValue( jt->hold ); elp->m_decayModel.setValue( jt->decay ); elp->m_sustainModel.setValue( jt->sustain ); elp->m_releaseModel.setValue( jt->release ); elp->m_amountModel.setValue( jt->amount ); elp->updateSampleVars(); } } Arpeggiator * arp = &t->m_arpeggiator; arp->m_arpDirectionModel.setValue( it->arpDir ); arp->m_arpRangeModel.setValue( it->arpRange ); arp->m_arpModel.setValue( it->selectedArp ); arp->m_arpTimeModel.setValue( it->arpTime ); arp->m_arpGateModel.setValue( it->arpGate ); arp->m_arpEnabledModel.setValue( it->arpEnabled ); // process all dots for( QList<int>::ConstIterator jt = it->dots.begin(); jt != it->dots.end(); ++jt ) { const int pat = *jt / 256; const int pos = *jt % 256; pattern * p = dynamic_cast<pattern *>( t->getTCO( pat ) ); if( p == NULL ) { continue; } p->setStep( pos, true ); } // TODO: use future layering feature if( it->layerParent >= 0 ) { it->notes += p.channels[it->layerParent].notes; } // process all notes for( FL_Channel::noteVector::ConstIterator jt = it->notes.begin(); jt != it->notes.end(); ++jt ) { const int pat = jt->first; if( pat > 100 ) { continue; } pattern * p = dynamic_cast<pattern *>( t->getTCO( pat ) ); if( p != NULL ) { p->addNote( jt->second, false ); } } // process automation data for( QList<FL_Automation>::ConstIterator jt = it->automationData.begin(); jt != it->automationData.end(); ++jt ) { AutomatableModel * m = NULL; float value = jt->value; bool scale = false; switch( jt->control ) { case FL_Automation::ControlVolume: m = t->volumeModel(); value *= ( 100.0f / 128.0f ) / p.versionSpecificFactor; break; case FL_Automation::ControlPanning: m = t->panningModel(); value = ( value / p.versionSpecificFactor ) *200/128 - PanningRight; break; case FL_Automation::ControlPitch: m = t->pitchModel(); break; case FL_Automation::ControlFXChannel: m = t->effectChannelModel(); value = value*200/128 - PanningRight; break; case FL_Automation::ControlFilterCut: scale = true; m = &t->m_soundShaping.m_filterCutModel; value /= ( 255 * 2.5f ); break; case FL_Automation::ControlFilterRes: scale = true; m = &t->m_soundShaping.m_filterResModel; value = 0.1f + value / ( 256.0f * 2 ); break; case FL_Automation::ControlFilterType: m = &t->m_soundShaping.m_filterModel; value = mappedFilter[jt->value]; break; default: qDebug( "handling automation data of " "control %d not implemented " "yet\n", jt->control ); break; } if( m ) { if( scale ) { value = m->minValue<float>() + value * ( m->maxValue<float>() - m->minValue<float>() ); } AutomationPattern * p = AutomationPattern::globalAutomationPattern( m ); p->putValue( jt->pos, value, false ); } } progressDialog.setValue( ++cur_progress ); qApp->processEvents(); } // process all effects EffectKeyList effKeys; Plugin::DescriptorList pluginDescs; Plugin::getDescriptorsOfAvailPlugins( pluginDescs ); for( Plugin::DescriptorList::ConstIterator it = pluginDescs.begin(); it != pluginDescs.end(); ++it ) { if( it->type != Plugin::Effect ) { continue; } if( it->subPluginFeatures ) { it->subPluginFeatures->listSubPluginKeys( &( *it ), effKeys ); } else { effKeys << EffectKey( &( *it ), it->name ); } } for( int fx_ch = 0; fx_ch <= NumFLFxChannels ; ++fx_ch ) { FxChannel * ch = engine::fxMixer()->effectChannel( fx_ch ); if( !ch ) { continue; } FL_EffectChannel * flch = &p.effectChannels[fx_ch]; if( !flch->name.isEmpty() ) { ch->m_name = flch->name; } ch->m_volumeModel.setValue( flch->volume / 100.0f ); ch->m_muteModel.setValue( flch->isMuted ); } for( QList<FL_Effect>::ConstIterator it = p.effects.begin(); it != p.effects.end(); ++it ) { QString effName; switch( it->pluginType ) { case FL_Plugin::Fruity7BandEq: effName = "C* Eq2x2"; break; case FL_Plugin::FruityBassBoost: effName = "BassBooster"; break; case FL_Plugin::FruityChorus: effName = "TAP Chorus"; break; case FL_Plugin::FruityCompressor: //effName = "C* Compress"; effName = "Fast Lookahead limiter"; break; case FL_Plugin::FruityDelay: case FL_Plugin::FruityDelay2: // effName = "Feedback Delay Line (Maximum Delay 5s)"; break; case FL_Plugin::FruityBloodOverdrive: case FL_Plugin::FruityFastDist: case FL_Plugin::FruitySoftClipper: effName = "C* Clip"; break; case FL_Plugin::FruityFastLP: effName = "Low Pass Filter"; break; case FL_Plugin::FruityPhaser: effName = "C* PhaserI"; break; case FL_Plugin::FruityReeverb: effName = "C* Plate2x2"; break; case FL_Plugin::FruitySpectroman: effName = "Spectrum Analyzer"; break; default: break; } if( effName.isEmpty() || it->fxChannel < 0 || it->fxChannel > NumFLFxChannels ) { continue; } EffectChain * ec = &engine::fxMixer()-> effectChannel( it->fxChannel )->m_fxChain; qDebug( "adding %s to %d\n", effName.toUtf8().constData(), it->fxChannel ); for( EffectKeyList::Iterator jt = effKeys.begin(); jt != effKeys.end(); ++jt ) { if( QString( jt->desc->displayName ).contains( effName ) || ( jt->desc->subPluginFeatures != NULL && jt->name.contains( effName ) ) ) { qDebug( "instantiate %s\n", jt->desc->name ); ::Effect * e = Effect::instantiate( jt->desc->name, ec, &( *jt ) ); ec->appendEffect( e ); ec->setEnabled( true ); break; } } progressDialog.setValue( ++cur_progress ); qApp->processEvents(); } // process all playlist-items for( QList<FL_PlayListItem>::ConstIterator it = p.playListItems.begin(); it != p.playListItems.end(); ++it ) { if( it->pattern > p.maxPatterns ) { continue; } trackContentObject * tco = bb_tracks[it->pattern]->createTCO( midiTime() ); tco->movePosition( it->position ); if( it->length != DefaultTicksPerTact ) { tco->changeLength( it->length ); } } // set current pattern if( p.activeEditPattern < engine::getBBTrackContainer()->numOfBBs() ) { engine::getBBTrackContainer()->setCurrentBB( p.activeEditPattern ); } // restore journalling settings engine::projectJournal()->setJournalling( is_journ ); return true; }
int Flp::read16LE() { return read16LE(m_file); }
Flp::Flp(std::string filename) : m_good(false), m_debug(false) { m_file.open(filename.c_str(),std::fstream::in|std::fstream::binary); if (! m_file.good()) { m_errMsg = "Error opening the file."; return; } // check for the magic "FLhd" at the beginning int realMagic = makeId('F', 'L', 'h', 'd'); int magic = read32LE(); if (realMagic != magic) { m_errMsg = "Doesn't look like an .flp file."; return; } // header should be 6 bytes long const int header_len = read32LE(); if (header_len != 6) { m_errMsg = "File format is too different from what we know" " (header should be 6 bytes long, but is " + Utils::intToString(header_len) + ")."; return; } // some type thing const int type = read16LE(); if (type != 0) { m_errMsg = "type " + Utils::intToString(type) + " is not supported."; return; } // number of channels m_project.numChannels = read16LE(); if (m_project.numChannels < 1 || m_project.numChannels > 1000) { m_errMsg = "invalid number of channels: " + Utils::intToString(m_project.numChannels) + "."; return; } // ppq const int ppq = read16LE(); if (ppq < 0) { m_errMsg = "invalid ppq: " + Utils::intToString(ppq) + "."; return; } // search for FLdt chunk bool valid = false; while (true) { int id = read32LE(); const int len = read32LE(); if (m_file.eof()) { m_errMsg = "Unexpected end of file."; return; } // sanity check if (len < 0 || len >= 0x10000000) { m_errMsg = "Invalid chunk length: " + Utils::intToString(len) + "."; return; } // check for FLdt if (id == makeId('F', 'L', 'd', 't')) { // TODO: read meta-information valid = true; break; } skip(len); } if (! valid) { m_errMsg = "Could not find FLdt chunk."; return; } // headers checked out ok. now read the events. for (int i=0; i<m_project.numChannels; ++i) { m_project.channels.push_back(FL_Channel()); } char * text = NULL; int text_len = 0; int cur_channel = -1; while (! m_file.eof()) { FLP_Events ev = static_cast<FLP_Events>(readByte()); int data = readByte(); // see FLP_Format for the juicy details of this disgusting file format. if (ev >= FLP_Word && ev < FLP_Text) data = data | (readByte() << 8); if (ev >= FLP_Int && ev < FLP_Text) { data = data | (readByte() << 16); data = data | (readByte() << 24); } if (ev >= FLP_Text) { text_len = data & 0x7F; unsigned char shift = 0; while (data & 0x80) { data = readByte(); text_len = text_len | ((data & 0x7F) << (shift+=7)); } delete[] text; text = new char[text_len+1]; m_file.read(text, text_len); assert(m_file.good()); text[text_len] = 0; // null byte of string } // TODO: name these variables better // puc = pointer to an unsigned char const unsigned char * puc = (const unsigned char*) text; // pi = pointer to an int const int * pi = (const int *) text; FL_Channel * cc = cur_channel >= 0 ? &m_project.channels[cur_channel] : NULL; switch (ev) { // BYTE EVENTS case FLP_Byte: if (m_debug) std::cerr << "undefined byte " << data << std::endl; break; case FLP_NoteOn: if (m_debug) std::cerr << "note on: " << data << std::endl; // data = pos how to handle? break; case FLP_Vol: if (m_debug) std::cerr << "vol " << data << std::endl; break; case FLP_Pan: if (m_debug) std::cerr << "pan " << data << std::endl; break; case FLP_LoopActive: if (m_debug) std::cerr << "active loop: " << data << std::endl; break; case FLP_ShowInfo: if (m_debug) std::cerr << "show info: " << data << std::endl; break; case FLP_Shuffle: if (m_debug) std::cerr << "shuffle: " << data << std::endl; break; case FLP_MainVol: m_project.mainVolume = data; break; case FLP_PatLength: if (m_debug) std::cerr << "pattern length: " << data << std::endl; break; case FLP_BlockLength: if (m_debug) std::cerr << "block length: " << data << std::endl; break; case FLP_UseLoopPoints: cc->sampleUseLoopPoints = true; break; case FLP_LoopType: if (m_debug) std::cerr << "loop type: " << data << std::endl; break; case FLP_ChanType: if (m_debug) std::cerr << "channel type: " << data << std::endl; if (cc) { switch (data) { case 0: cc->generatorName = "Sampler"; break; case 1: cc->generatorName = "TS 404"; break; case 2: cc->generatorName = "3x Osc"; break; case 3: cc->generatorName = "Layer"; break; default: break; } } break; case FLP_MixSliceNum: cc->fxChannel = data+1; break; case FLP_EffectChannelMuted: if( m_project.currentEffectChannel <= c_NumFLFxChannels ) { m_project.effectChannels[m_project.currentEffectChannel] .isMuted = ( data & 0x08 ) > 0 ? false : true; } break; // WORD EVENTS case FLP_NewChan: cur_channel = data; break; case FLP_NewPat: m_project.currentPattern = data - 1; if( m_project.currentPattern > m_project.maxPatterns ) m_project.maxPatterns = m_project.currentPattern; break; case FLP_Tempo: m_project.tempo = data; break; case FLP_CurrentPatNum: m_project.activeEditPattern = data; break; case FLP_FX: if (m_debug) std::cerr << "FX: " << data << std::endl; break; case FLP_Fade_Stereo: if( data & 0x02 ) { cc->sampleReversed = true; } else if( data & 0x100 ) { cc->sampleReverseStereo = true; } break; case FLP_CutOff: if (m_debug) std::cerr << "cutoff (sample): " << data << std::endl; break; case FLP_PreAmp: cc->sampleAmp = data; break; case FLP_Decay: if (m_debug) std::cerr << "decay (sample): " << data << std::endl; break; case FLP_Attack: if (m_debug) std::cerr << "attack (sample): " << data << std::endl; break; case FLP_MainPitch: m_project.mainPitch = data; break; case FLP_Resonance: if (m_debug) std::cerr << "resonance (sample): " << data << std::endl; break; case FLP_LoopBar: if (m_debug) std::cerr << "loop bar: " << data << std::endl; break; case FLP_StDel: if (m_debug) std::cerr << "stdel (delay?): " << data << std::endl; break; case FLP_FX3: if (m_debug) std::cerr << "FX 3: " << data << std::endl; break; case FLP_ShiftDelay: if (m_debug) std::cerr << "shift delay: " << data << std::endl; break; case FLP_Dot: cc->dots.push_back( ( data & 0xff ) + ( m_project.currentPattern << 8 ) ); break; case FLP_LayerChans: m_project.channels[data].layerParent = cur_channel; cc->generatorName = "Layer"; // DWORD EVENTS case FLP_Color: // TODO: double check that this works cc->color.r = (data & 0xFF000000) >> 24; cc->color.g = (data & 0x00FF0000) >> 16; cc->color.b = (data & 0x0000FF00) >> 8; break; case FLP_PlayListItem: { FL_PlayListItem i; i.position = (data & 0xffff) * 192; i.length = 192; i.pattern = (data >> 16) - 1; m_project.playListItems.push_back(i); if (i.pattern > m_project.maxPatterns) m_project.maxPatterns = i.pattern; break; } case FLP_FXSine: if (m_debug) std::cerr << "fx sine: " << data << std::endl; break; case FLP_CutCutBy: if (m_debug) std::cerr << "cut cut by: " << data << std::endl; break; case FLP_MiddleNote: cc->baseNote = data+9; break; case FLP_DelayReso: if (m_debug) std::cerr << "delay resonance: " << data << std::endl; break; case FLP_Reverb: if (m_debug) std::cerr << "reverb (sample): " << data << std::endl; break; case FLP_IntStretch: if (m_debug) std::cerr << "int stretch (sample): " << data << std::endl; break; // TEXT EVENTS case FLP_Text_ChanName: cc->name = text; break; case FLP_Text_PatName: m_project.patternNames[m_project.currentPattern] = text; break; case FLP_Text_CommentRTF: if (m_debug) std::cerr << "TODO: RTF text comment." << std::endl; /* TODO: support RTF comments { QByteArray ba( text, text_len ); QBuffer buf( &ba ); buf.open( QBuffer::ReadOnly ); lineno = 0; attr_clear_all(); op = html_init(); hash_init(); Word * word = word_read( &buf ); QString out; word_print( word, out ); word_free( word ); op_free( op ); p.projectNotes = out; outstring = ""; break; } */ case FLP_Text_Title: m_project.projectTitle = text; break; case FLP_Text_SampleFileName: cc->sampleFileName = text; cc->generatorName = "Sampler"; m_sampleSet.insert(cc->sampleFileName); break; case FLP_Text_Version: { if (m_debug) std::cerr << "FLP version: " << text << std::endl; m_project.versionString = text; // divide the version string into numbers std::vector<std::string> numbers; Utils::split(m_project.versionString, numbers, "."); m_project.version = (Utils::stringToInt(numbers[0]) << 8) + (Utils::stringToInt(numbers[1]) << 4 ) + (Utils::stringToInt(numbers[2]) << 0 ); if( m_project.version >= 0x600 ) m_project.versionSpecificFactor = 100; break; } case FLP_Text_PluginName: { std::string pluginName = text; // we add all plugins to effects list and then // remove the ones that aren't effects later. m_effectPlugins.insert(pluginName); cc->generatorName = pluginName; if (m_debug) std::cerr << "plugin: " << pluginName << std::endl; break; } case FLP_Text_EffectChanName: ++m_project.currentEffectChannel; if( m_project.currentEffectChannel <= c_NumFLFxChannels ) { m_project.effectChannels[m_project.currentEffectChannel] .name = text; } break; case FLP_Text_Delay: if (m_debug) std::cerr << "delay data: " << text << std::endl; // pi[1] seems to be volume or similiar and // needs to be divided // by m_project.versionSpecificFactor break; case FLP_Text_TS404Params: if( cc && cc->pluginSettings == NULL ) { cc->pluginSettings = new char[text_len]; std::memcpy( cc->pluginSettings, text, text_len ); cc->pluginSettingsLength = text_len; cc->generatorName = "TS 404"; } break; case FLP_Text_NewPlugin: // TODO: if it's an effect plugin make a new effect if (m_debug) { std::cerr << "new plugin: " << std::endl; dump_mem(text, text_len); } break; case FLP_Text_PluginParams: if( cc && cc->pluginSettings == NULL ) { cc->pluginSettings = new char[text_len]; memcpy(cc->pluginSettings, text, text_len); cc->pluginSettingsLength = text_len; } break; case FLP_Text_ChanParams: cc->arpDir = pi[10]; cc->arpRange = pi[11]; cc->selectedArp = pi[12]; if( cc->selectedArp < 8 ) { const int mappedArps[] = {0, 1, 5, 6, 2, 3, 4}; cc->selectedArp = mappedArps[cc->selectedArp]; } cc->arpTime = ( ( pi[13]+1 ) * m_project.tempo ) / ( 4*16 ) + 1; cc->arpGate = ( pi[14] * 100.0f ) / 48.0f; cc->arpEnabled = pi[10] > 0; break; case FLP_Text_EnvLfoParams: { const float scaling = 1.0 / 65536.0f; FL_Channel_Envelope e; switch (cc->envelopes.size()) { case 1: e.target = Volume; break; case 2: e.target = Cut; break; case 3: e.target = Resonance; break; default: e.target = NumTargets; break; } e.predelay = pi[2] * scaling; e.attack = pi[3] * scaling; e.hold = pi[4] * scaling; e.decay = pi[5] * scaling; e.sustain = 1-pi[6] / 128.0f; e.release = pi[7] * scaling; if (e.target == Volume) e.amount = pi[1] ? 1 : 0; else e.amount = pi[8] / 128.0f; cc->envelopes.push_back(e); break; } case FLP_Text_BasicChanParams: cc->volume = pi[1] / m_project.versionSpecificFactor; cc->panning = pi[0] / m_project.versionSpecificFactor; if (text_len > 12) { cc->filterType = puc[20]; cc->filterCut = puc[12]; cc->filterRes = puc[16]; cc->filterEnabled = (puc[13] == 0); if( puc[20] >= 6 ) cc->filterCut *= 0.5f; } break; case FLP_Text_OldFilterParams: cc->filterType = puc[8]; cc->filterCut = puc[0]; cc->filterRes = puc[4]; cc->filterEnabled = ( puc[1] == 0 ); if( puc[8] >= 6 ) cc->filterCut *= 0.5; break; case FLP_Text_AutomationData: { const int bpae = 12; const int imax = text_len / bpae; for (int i = 0; i < imax; ++i) { FL_Automation a; a.pos = pi[3*i+0] / (4*ppq / 192); a.value = pi[3*i+2]; a.channel = pi[3*i+1] >> 16; a.control = pi[3*i+1] & 0xffff; if (a.channel >= 0 && a.channel < m_project.numChannels) { m_project.channels[a.channel].automationData .push_back(a); } } break; } case FLP_Text_PatternNotes: { const int bpn = 20; const int imax = ( text_len + bpn - 1 ) / bpn; for (int i = 0; i < imax; ++i) { int ch = *( puc + i*bpn + 6 ); int pan = *( puc + i*bpn + 16 ); int vol = *( puc + i*bpn + 17 ); int pos = *( (int *)( puc + i*bpn ) ); int key = *( puc + i*bpn + 12 ); int len = *( (int*)( puc + i*bpn + 8 ) ); pos /= (4*ppq) / 192; len /= (4*ppq) / 192; note n( len, pos, key, vol, pan); if( ch < m_project.numChannels ) { m_project.channels[ch].notes.push_back( std::make_pair(m_project.currentPattern, n)); } else { if (m_debug) std::cerr << "Invalid ch: " << ch << std::endl; } } break; } case FLP_Text_ChanGroupName: if (m_debug) std::cerr << "channel group name: " << text << std::endl; break; case 225: { enum FLP_EffectParams { EffectParamVolume = 0x1fc0 }; const int bpi = 12; const int imax = text_len / bpi; for (int i = 0; i < imax; ++i) { const int param = pi[i*3+1] & 0xffff; const int ch = ( pi[i*3+1] >> 22 ) & 0x7f; if( ch < 0 || ch > c_NumFLFxChannels ) continue; const int val = pi[i*3+2]; if( param == EffectParamVolume ) { m_project.effectChannels[ch].volume = (val / m_project.versionSpecificFactor); } else { if (m_debug) { std::cerr << "FX-ch: " << ch << " param: " << param << " value: " << val << std::endl; } } } break; } case 233: // playlist items { const int bpi = 28; const int imax = text_len / bpi; for (int i = 0; i < imax; ++i) { const int pos = pi[i*bpi/sizeof(int)+0] / ((4*ppq) / 192); const int len = pi[i*bpi/sizeof(int)+2] / ((4*ppq) / 192); const int pat = pi[i*bpi/sizeof(int)+3] & 0xfff; // whatever these magic numbers are for... if( pat > 2146 && pat <= 2278 ) { FL_PlayListItem i; i.position = pos; i.length = len; i.pattern = 2278 - pat; m_project.playListItems.push_back(i); } else { if (m_debug) { std::cerr << "unknown playlist item: " << text << std::endl; } } } break; } default: if( ev >= FLP_Text ) { if (m_debug) { std::cerr << "unhandled text (ev: " << ev << ", len: " << text_len << "): " << text << std::endl; } } else { if (m_debug) { std::cerr << "handling of FLP-event " << ev << " not implemented yet (data=" << data << ")" << std::endl; } } break; } } // for each fruity wrapper, extract the plugin name. for (unsigned int i=0; i<m_project.channels.size(); ++i) tryFruityWrapper(&m_project.channels[i]); for (unsigned int i=0; i<m_project.effects.size(); ++i) tryFruityWrapper(&m_project.effects[i]); // create list of sample dependencies m_sampleStrings.clear(); std::set<std::string>::iterator it; for (it=m_sampleSet.begin(); it != m_sampleSet.end(); ++it) m_sampleStrings.push_back(*it); // effects are the ones that aren't channels. m_channelPlugins.clear(); m_effectStrings.clear(); for (unsigned int i=0; i<m_project.channels.size(); ++i) m_channelPlugins.insert(m_project.channels[i].generatorName); for (it=m_effectPlugins.begin(); it != m_effectPlugins.end(); ++it) { if (m_channelPlugins.count(*it) == 0) m_effectStrings.push_back(*it); } m_good = true; }
WavSoundFile::WavSoundFile(PHYSFS_file* file_) : file(file_), datastart() { assert(file); char magic[4]; if(PHYSFS_read(file, magic, sizeof(magic), 1) != 1) throw SoundError("Couldn't read file magic (not a wave file)"); if(strncmp(magic, "RIFF", 4) != 0) { log_debug << "MAGIC: " << magic << std::endl; throw SoundError("file is not a RIFF wav file"); } uint32_t wavelen = read32LE(file); (void) wavelen; if(PHYSFS_read(file, magic, sizeof(magic), 1) != 1) throw SoundError("Couldn't read chunk header (not a wav file?)"); if(strncmp(magic, "WAVE", 4) != 0) throw SoundError("file is not a valid RIFF/WAVE file"); char chunkmagic[4]; uint32_t chunklen; // search audio data format chunk do { if(PHYSFS_read(file, chunkmagic, sizeof(chunkmagic), 1) != 1) throw SoundError("EOF while searching format chunk"); chunklen = read32LE(file); if(strncmp(chunkmagic, "fmt ", 4) == 0) break; if(strncmp(chunkmagic, "fact", 4) == 0 || strncmp(chunkmagic, "LIST", 4) == 0) { // skip chunk if(PHYSFS_seek(file, PHYSFS_tell(file) + chunklen) == 0) throw SoundError("EOF while searching fmt chunk"); } else { throw SoundError("complex WAVE files not supported"); } } while(true); if(chunklen < 16) throw SoundError("Format chunk too short"); // parse format uint16_t encoding = read16LE(file); if(encoding != 1) throw SoundError("only PCM encoding supported"); channels = read16LE(file); rate = read32LE(file); uint32_t byterate = read32LE(file); (void) byterate; uint16_t blockalign = read16LE(file); (void) blockalign; bits_per_sample = read16LE(file); if(chunklen > 16) { if(PHYSFS_seek(file, PHYSFS_tell(file) + (chunklen-16)) == 0) throw SoundError("EOF while reading rest of format chunk"); } // set file offset to DATA chunk data do { if(PHYSFS_read(file, chunkmagic, sizeof(chunkmagic), 1) != 1) throw SoundError("EOF while searching data chunk"); chunklen = read32LE(file); if(strncmp(chunkmagic, "data", 4) == 0) break; // skip chunk if(PHYSFS_seek(file, PHYSFS_tell(file) + chunklen) == 0) throw SoundError("EOF while searching fmt chunk"); } while(true); datastart = PHYSFS_tell(file); size = static_cast<size_t> (chunklen); }
// Constructs a sample object from a sound file (.wav/.snd PCM files only). // Reads stereo files into mono by averaging channels (unless the channels // option is used). // start & stop are counted in samples (default) unless secsFlag == true. // Use stop == -1 (default) for reading to EOF. sample :: sample(const char *filename, int start, int stop, bool secsFlag): data(0) { ifstream f(filename); if (!f.is_open()) throw Exception("sample constructor: could not open file"); info = sfheader(f, filename); char buf[40]; sprintf(buf, "fileLength=%3.1lf\n", double(length()) / double(rate())); parameters->add(buf); if (secsFlag) { start *= rate(); stop *= rate(); } if (start < 0) { // uses start&length unless audioStart&audioLength override double st = parameters->getDouble("start", 0); start = (int) rint(parameters->getDouble("audioStart", st) * rate()); double len = parameters->getDouble("length", -1.0); int ln = (int)rint(parameters->getDouble("audioLength", len) * rate()); if (ln >= 0) stop = start + ln; else stop = -1; } if (stop < 0) stop = length(); if (!assertWarning((start >= 0) && (start < length()), "sample(): illegal start parameter")) start = 0; if (!assertWarning((start <= stop) && (stop <= length()), "sample(): illegal length parameter")) stop = length(); info.length = stop - start; // number of sample tuples f.seekg(start * channels() * sizeof(audioSample), ios::cur); int count = length(); char* channelChoice = parameters->getString("channels", "add"); if (!strcmp(channelChoice, "both")) count *= channels(); data = new audioSample[count]; if (!strcmp(channelChoice, "both") || (channels() == 1)) { // MONO or Keep if (info.format == WAV_LINEAR_PCM) for (int i = 0; i < count; i++) data[i] = read16LE(f); else for (int i = 0; i < count; i++) data[i] = read16BE(f); } else if (channels() == 2) { // STEREO Merge or ChannelSelect if (info.format == WAV_LINEAR_PCM) { if (!strcmp(channelChoice, "subtract")) for (int i = 0; i < count; i++) data[i] = (read16LE(f) - read16LE(f)) / 2; else if (!strcmp(channelChoice, "add")) for (int i = 0; i < count; i++) data[i] = (read16LE(f) + read16LE(f)) / 2; else { if (!strcmp(channelChoice, "right")) read16LE(f); // skip first sample (left channel) for (int i = 0; i < count-1; i++) { data[i] = read16LE(f); read16LE(f); // skip every 2nd sample } if (count > 0) data[count-1] = read16LE(f); // avoid reading past EOF } } else { if (!strcmp(channelChoice, "subtract")) for (int i = 0; i < count; i++) data[i] = (read16BE(f) - read16BE(f)) / 2; else if (!strcmp(channelChoice, "add")) for (int i = 0; i < count; i++) data[i] = (read16BE(f) + read16BE(f)) / 2; else { if (!strcmp(channelChoice, "right")) read16BE(f); // skip first sample (left channel) for (int i = 0; i < count; i++) { data[i] = read16BE(f); read16BE(f); // skip every 2nd sample } } } info.channels = 1; } else { // MULTI_CHANNEL Merge for (int i = 0; i < count; i++) { int val = 0; for (int j = 0; j < channels(); j++) val += (info.format == WAV_LINEAR_PCM)?read16LE(f):read16BE(f); data[i] = val / channels(); } info.channels = 1; } if (parameters->debug("sample", "basic")) { cerr << "Created::"; print(); } } // sample constructor