// Returns 0 on success, passes the TinyXml error code otherwise.
int SongWriter::writeSong( Song *song, const QString& filename )
{
INFOLOG( "Saving song " + filename );
int rv = 0; // return value
// FIXME: has the file write-permssion?
// FIXME: verificare che il file non sia gia' esistente
// FIXME: effettuare copia di backup per il file gia' esistente
QDomDocument doc;
QDomProcessingInstruction header = doc.createProcessingInstruction( "xml", "version=\"1.0\" encoding=\"UTF-8\"");
doc.appendChild( header );
QDomNode songNode = doc.createElement( "song" );
LocalFileMng::writeXmlString( songNode, "version", QString( get_version().c_str() ) );
LocalFileMng::writeXmlString( songNode, "bpm", QString("%1").arg( song->__bpm ) );
LocalFileMng::writeXmlString( songNode, "volume", QString("%1").arg( song->get_volume() ) );
LocalFileMng::writeXmlString( songNode, "metronomeVolume", QString("%1").arg( song->get_metronome_volume() ) );
LocalFileMng::writeXmlString( songNode, "name", song->__name );
LocalFileMng::writeXmlString( songNode, "author", song->__author );
LocalFileMng::writeXmlString( songNode, "notes", song->get_notes() );
LocalFileMng::writeXmlString( songNode, "license", song->get_license() );
LocalFileMng::writeXmlBool( songNode, "loopEnabled", song->is_loop_enabled() );
LocalFileMng::writeXmlBool( songNode, "patternModeMode", Preferences::get_instance()->patternModePlaysSelected());
LocalFileMng::writeXmlString( songNode, "playbackTrackFilename", QString("%1").arg( song->get_playback_track_filename() ) );
LocalFileMng::writeXmlBool( songNode, "playbackTrackEnabled", song->get_playback_track_enabled() );
LocalFileMng::writeXmlString( songNode, "playbackTrackVolume", QString("%1").arg( song->get_playback_track_volume() ) );
if ( song->get_mode() == Song::SONG_MODE ) {
LocalFileMng::writeXmlString( songNode, "mode", QString( "song" ) );
} else {
LocalFileMng::writeXmlString( songNode, "mode", QString( "pattern" ) );
}
LocalFileMng::writeXmlString( songNode, "humanize_time", QString("%1").arg( song->get_humanize_time_value() ) );
LocalFileMng::writeXmlString( songNode, "humanize_velocity", QString("%1").arg( song->get_humanize_velocity_value() ) );
LocalFileMng::writeXmlString( songNode, "swing_factor", QString("%1").arg( song->get_swing_factor() ) );
// component List
QDomNode componentListNode = doc.createElement( "componentList" );
for (std::vector<DrumkitComponent*>::iterator it = song->get_components()->begin() ; it != song->get_components()->end(); ++it) {
DrumkitComponent* pCompo = *it;
QDomNode componentNode = doc.createElement( "drumkitComponent" );
LocalFileMng::writeXmlString( componentNode, "id", QString("%1").arg( pCompo->get_id() ) );
LocalFileMng::writeXmlString( componentNode, "name", pCompo->get_name() );
LocalFileMng::writeXmlString( componentNode, "volume", QString("%1").arg( pCompo->get_volume() ) );
componentListNode.appendChild( componentNode );
}
songNode.appendChild( componentListNode );
// instrument list
QDomNode instrumentListNode = doc.createElement( "instrumentList" );
unsigned nInstrument = song->get_instrument_list()->size();
// INSTRUMENT NODE
for ( unsigned i = 0; i < nInstrument; i++ ) {
Instrument *instr = song->get_instrument_list()->get( i );
assert( instr );
QDomNode instrumentNode = doc.createElement( "instrument" );
LocalFileMng::writeXmlString( instrumentNode, "id", QString("%1").arg( instr->get_id() ) );
LocalFileMng::writeXmlString( instrumentNode, "name", instr->get_name() );
LocalFileMng::writeXmlString( instrumentNode, "drumkit", instr->get_drumkit_name() );
LocalFileMng::writeXmlString( instrumentNode, "volume", QString("%1").arg( instr->get_volume() ) );
LocalFileMng::writeXmlBool( instrumentNode, "isMuted", instr->is_muted() );
LocalFileMng::writeXmlString( instrumentNode, "pan_L", QString("%1").arg( instr->get_pan_l() ) );
LocalFileMng::writeXmlString( instrumentNode, "pan_R", QString("%1").arg( instr->get_pan_r() ) );
LocalFileMng::writeXmlString( instrumentNode, "gain", QString("%1").arg( instr->get_gain() ) );
LocalFileMng::writeXmlBool( instrumentNode, "applyVelocity", instr->get_apply_velocity() );
LocalFileMng::writeXmlBool( instrumentNode, "filterActive", instr->is_filter_active() );
LocalFileMng::writeXmlString( instrumentNode, "filterCutoff", QString("%1").arg( instr->get_filter_cutoff() ) );
LocalFileMng::writeXmlString( instrumentNode, "filterResonance", QString("%1").arg( instr->get_filter_resonance() ) );
LocalFileMng::writeXmlString( instrumentNode, "FX1Level", QString("%1").arg( instr->get_fx_level( 0 ) ) );
LocalFileMng::writeXmlString( instrumentNode, "FX2Level", QString("%1").arg( instr->get_fx_level( 1 ) ) );
LocalFileMng::writeXmlString( instrumentNode, "FX3Level", QString("%1").arg( instr->get_fx_level( 2 ) ) );
LocalFileMng::writeXmlString( instrumentNode, "FX4Level", QString("%1").arg( instr->get_fx_level( 3 ) ) );
assert( instr->get_adsr() );
LocalFileMng::writeXmlString( instrumentNode, "Attack", QString("%1").arg( instr->get_adsr()->get_attack() ) );
LocalFileMng::writeXmlString( instrumentNode, "Decay", QString("%1").arg( instr->get_adsr()->get_decay() ) );
LocalFileMng::writeXmlString( instrumentNode, "Sustain", QString("%1").arg( instr->get_adsr()->get_sustain() ) );
LocalFileMng::writeXmlString( instrumentNode, "Release", QString("%1").arg( instr->get_adsr()->get_release() ) );
LocalFileMng::writeXmlString( instrumentNode, "randomPitchFactor", QString("%1").arg( instr->get_random_pitch_factor() ) );
LocalFileMng::writeXmlString( instrumentNode, "muteGroup", QString("%1").arg( instr->get_mute_group() ) );
LocalFileMng::writeXmlBool( instrumentNode, "isStopNote", instr->is_stop_notes() );
switch ( instr->sample_selection_alg() ) {
case Instrument::VELOCITY:
LocalFileMng::writeXmlString( instrumentNode, "sampleSelectionAlgo", "VELOCITY" );
break;
case Instrument::RANDOM:
LocalFileMng::writeXmlString( instrumentNode, "sampleSelectionAlgo", "RANDOM" );
break;
case Instrument::ROUND_ROBIN:
LocalFileMng::writeXmlString( instrumentNode, "sampleSelectionAlgo", "ROUND_ROBIN" );
break;
}
LocalFileMng::writeXmlString( instrumentNode, "midiOutChannel", QString("%1").arg( instr->get_midi_out_channel() ) );
LocalFileMng::writeXmlString( instrumentNode, "midiOutNote", QString("%1").arg( instr->get_midi_out_note() ) );
LocalFileMng::writeXmlString( instrumentNode, "isHihat", QString("%1").arg( instr->get_hihat_grp() ) );
LocalFileMng::writeXmlString( instrumentNode, "lower_cc", QString("%1").arg( instr->get_lower_cc() ) );
LocalFileMng::writeXmlString( instrumentNode, "higher_cc", QString("%1").arg( instr->get_higher_cc() ) );
for (std::vector<InstrumentComponent*>::iterator it = instr->get_components()->begin() ; it != instr->get_components()->end(); ++it) {
InstrumentComponent* pComponent = *it;
QDomNode componentNode = doc.createElement( "instrumentComponent" );
LocalFileMng::writeXmlString( componentNode, "component_id", QString("%1").arg( pComponent->get_drumkit_componentID() ) );
LocalFileMng::writeXmlString( componentNode, "gain", QString("%1").arg( pComponent->get_gain() ) );
for ( unsigned nLayer = 0; nLayer < InstrumentComponent::getMaxLayers(); nLayer++ ) {
InstrumentLayer *pLayer = pComponent->get_layer( nLayer );
if ( pLayer == NULL ) continue;
Sample *pSample = pLayer->get_sample();
if ( pSample == NULL ) continue;
bool sIsModified = pSample->get_is_modified();
Sample::Loops lo = pSample->get_loops();
Sample::Rubberband ro = pSample->get_rubberband();
QString sMode = pSample->get_loop_mode_string();
QDomNode layerNode = doc.createElement( "layer" );
LocalFileMng::writeXmlString( layerNode, "filename", Filesystem::prepare_sample_path( pSample->get_filepath() ) );
LocalFileMng::writeXmlBool( layerNode, "ismodified", sIsModified);
LocalFileMng::writeXmlString( layerNode, "smode", pSample->get_loop_mode_string() );
LocalFileMng::writeXmlString( layerNode, "startframe", QString("%1").arg( lo.start_frame ) );
LocalFileMng::writeXmlString( layerNode, "loopframe", QString("%1").arg( lo.loop_frame ) );
LocalFileMng::writeXmlString( layerNode, "loops", QString("%1").arg( lo.count ) );
LocalFileMng::writeXmlString( layerNode, "endframe", QString("%1").arg( lo.end_frame ) );
LocalFileMng::writeXmlString( layerNode, "userubber", QString("%1").arg( ro.use ) );
LocalFileMng::writeXmlString( layerNode, "rubberdivider", QString("%1").arg( ro.divider ) );
LocalFileMng::writeXmlString( layerNode, "rubberCsettings", QString("%1").arg( ro.c_settings ) );
LocalFileMng::writeXmlString( layerNode, "rubberPitch", QString("%1").arg( ro.pitch ) );
LocalFileMng::writeXmlString( layerNode, "min", QString("%1").arg( pLayer->get_start_velocity() ) );
LocalFileMng::writeXmlString( layerNode, "max", QString("%1").arg( pLayer->get_end_velocity() ) );
LocalFileMng::writeXmlString( layerNode, "gain", QString("%1").arg( pLayer->get_gain() ) );
LocalFileMng::writeXmlString( layerNode, "pitch", QString("%1").arg( pLayer->get_pitch() ) );
Sample::VelocityEnvelope* velocity = pSample->get_velocity_envelope();
for (int y = 0; y < velocity->size(); y++){
QDomNode volumeNode = doc.createElement( "volume" );
LocalFileMng::writeXmlString( volumeNode, "volume-position", QString("%1").arg( velocity->at(y).frame ) );
LocalFileMng::writeXmlString( volumeNode, "volume-value", QString("%1").arg( velocity->at(y).value ) );
layerNode.appendChild( volumeNode );
}
Sample::PanEnvelope* pan = pSample->get_pan_envelope();
for (int y = 0; y < pan->size(); y++){
QDomNode panNode = doc.createElement( "pan" );
LocalFileMng::writeXmlString( panNode, "pan-position", QString("%1").arg( pan->at(y).frame ) );
LocalFileMng::writeXmlString( panNode, "pan-value", QString("%1").arg( pan->at(y).value ) );
layerNode.appendChild( panNode );
}
componentNode.appendChild( layerNode );
}
instrumentNode.appendChild( componentNode );
}
instrumentListNode.appendChild( instrumentNode );
}
songNode.appendChild( instrumentListNode );
// pattern list
QDomNode patternListNode = doc.createElement( "patternList" );
unsigned nPatterns = song->get_pattern_list()->size();
for ( unsigned i = 0; i < nPatterns; i++ ) {
Pattern *pat = song->get_pattern_list()->get( i );
// pattern
QDomNode patternNode = doc.createElement( "pattern" );
LocalFileMng::writeXmlString( patternNode, "name", pat->get_name() );
LocalFileMng::writeXmlString( patternNode, "category", pat->get_category() );
LocalFileMng::writeXmlString( patternNode, "size", QString("%1").arg( pat->get_length() ) );
LocalFileMng::writeXmlString( patternNode, "info", pat->get_info() );
QDomNode noteListNode = doc.createElement( "noteList" );
const Pattern::notes_t* notes = pat->get_notes();
FOREACH_NOTE_CST_IT_BEGIN_END(notes,it) {
Note *pNote = it->second;
assert( pNote );
QDomNode noteNode = doc.createElement( "note" );
LocalFileMng::writeXmlString( noteNode, "position", QString("%1").arg( pNote->get_position() ) );
LocalFileMng::writeXmlString( noteNode, "leadlag", QString("%1").arg( pNote->get_lead_lag() ) );
LocalFileMng::writeXmlString( noteNode, "velocity", QString("%1").arg( pNote->get_velocity() ) );
LocalFileMng::writeXmlString( noteNode, "pan_L", QString("%1").arg( pNote->get_pan_l() ) );
LocalFileMng::writeXmlString( noteNode, "pan_R", QString("%1").arg( pNote->get_pan_r() ) );
LocalFileMng::writeXmlString( noteNode, "pitch", QString("%1").arg( pNote->get_pitch() ) );
LocalFileMng::writeXmlString( noteNode, "probability", QString("%1").arg( pNote->get_probability() ) );
LocalFileMng::writeXmlString( noteNode, "key", pNote->key_to_string() );
LocalFileMng::writeXmlString( noteNode, "length", QString("%1").arg( pNote->get_length() ) );
LocalFileMng::writeXmlString( noteNode, "instrument", QString("%1").arg( pNote->get_instrument()->get_id() ) );
QString noteoff = "false";
if ( pNote->get_note_off() ) noteoff = "true";
LocalFileMng::writeXmlString( noteNode, "note_off", noteoff );
noteListNode.appendChild( noteNode );
}
patternNode.appendChild( noteListNode );
patternListNode.appendChild( patternNode );
}
/// Render a note
/// Return false: the note is not ended
/// Return true: the note is ended
bool Sampler::__render_note( Note* pNote, unsigned nBufferSize, Song* pSong )
{
//infoLog( "[renderNote] instr: " + pNote->getInstrument()->m_sName );
assert( pSong );
unsigned int nFramepos;
Hydrogen* pEngine = Hydrogen::get_instance();
AudioOutput* audio_output = pEngine->getAudioOutput();
if ( pEngine->getState() == STATE_PLAYING ) {
nFramepos = audio_output->m_transport.m_nFrames;
} else {
// use this to support realtime events when not playing
nFramepos = pEngine->getRealtimeFrames();
}
Instrument *pInstr = pNote->get_instrument();
if ( !pInstr ) {
ERRORLOG( "NULL instrument" );
return 1;
}
bool nReturnValues [pInstr->get_components()->size()];
for(int i = 0; i < pInstr->get_components()->size(); i++){
nReturnValues[i] = false;
}
int nReturnValueIndex = 0;
int nAlreadySelectedLayer = -1;
for (std::vector<InstrumentComponent*>::iterator it = pInstr->get_components()->begin() ; it !=pInstr->get_components()->end(); ++it) {
nReturnValues[nReturnValueIndex] = false;
InstrumentComponent *pCompo = *it;
DrumkitComponent* pMainCompo = pEngine->getSong()->get_component( pCompo->get_drumkit_componentID() );
if( pNote->get_specific_compo_id() != -1 && pNote->get_specific_compo_id() != pCompo->get_drumkit_componentID() )
continue;
if( pInstr->is_preview_instrument()
|| pInstr->is_metronome_instrument()){
pMainCompo = pEngine->getSong()->get_components()->front();
} else {
pMainCompo = pEngine->getSong()->get_component( pCompo->get_drumkit_componentID() );
}
assert(pMainCompo);
float fLayerGain = 1.0;
float fLayerPitch = 0.0;
// scelgo il sample da usare in base alla velocity
Sample *pSample = nullptr;
SelectedLayerInfo *pSelectedLayer = pNote->get_layer_selected( pCompo->get_drumkit_componentID() );
if ( !pSelectedLayer ) {
QString dummy = QString( "NULL Layer Information for instrument %1. Component: %2" ).arg( pInstr->get_name() ).arg( pCompo->get_drumkit_componentID() );
WARNINGLOG( dummy );
nReturnValues[nReturnValueIndex] = true;
continue;
}
if( pSelectedLayer->SelectedLayer != -1 ) {
InstrumentLayer *pLayer = pCompo->get_layer( pSelectedLayer->SelectedLayer );
if( pLayer )
{
pSample = pLayer->get_sample();
fLayerGain = pLayer->get_gain();
fLayerPitch = pLayer->get_pitch();
}
}
else {
switch ( pInstr->sample_selection_alg() ) {
case Instrument::VELOCITY:
for ( unsigned nLayer = 0; nLayer < __maxLayers; ++nLayer ) {
InstrumentLayer *pLayer = pCompo->get_layer( nLayer );
if ( pLayer == NULL ) continue;
if ( ( pNote->get_velocity() >= pLayer->get_start_velocity() ) && ( pNote->get_velocity() <= pLayer->get_end_velocity() ) ) {
pSelectedLayer->SelectedLayer = nLayer;
pSample = pLayer->get_sample();
fLayerGain = pLayer->get_gain();
fLayerPitch = pLayer->get_pitch();
break;
}
}
break;
case Instrument::RANDOM:
if( nAlreadySelectedLayer != -1 ) {
InstrumentLayer *pLayer = pCompo->get_layer( nAlreadySelectedLayer );
if ( pLayer != NULL ) {
pSelectedLayer->SelectedLayer = nAlreadySelectedLayer;
pSample = pLayer->get_sample();
fLayerGain = pLayer->get_gain();
fLayerPitch = pLayer->get_pitch();
}
}
if( pSample == NULL ) {
int __possibleIndex[ __maxLayers ];
int __poundSamples = 0;
for ( unsigned nLayer = 0; nLayer < __maxLayers; ++nLayer ) {
InstrumentLayer *pLayer = pCompo->get_layer( nLayer );
if ( pLayer == NULL ) continue;
if ( ( pNote->get_velocity() >= pLayer->get_start_velocity() ) && ( pNote->get_velocity() <= pLayer->get_end_velocity() ) ) {
__possibleIndex[__poundSamples] = nLayer;
__poundSamples++;
}
}
if( __poundSamples > 0 ) {
nAlreadySelectedLayer = __possibleIndex[rand() % __poundSamples];
pSelectedLayer->SelectedLayer = nAlreadySelectedLayer;
InstrumentLayer *pLayer = pCompo->get_layer( nAlreadySelectedLayer );
pSample = pLayer->get_sample();
fLayerGain = pLayer->get_gain();
fLayerPitch = pLayer->get_pitch();
}
}
break;
case Instrument::ROUND_ROBIN:
if( nAlreadySelectedLayer != -1 ) {
InstrumentLayer *pLayer = pCompo->get_layer( nAlreadySelectedLayer );
if ( pLayer != NULL ) {
pSelectedLayer->SelectedLayer = nAlreadySelectedLayer;
pSample = pLayer->get_sample();
fLayerGain = pLayer->get_gain();
fLayerPitch = pLayer->get_pitch();
}
}
if( !pSample ) {
int __possibleIndex[ __maxLayers ];
int __foundSamples = 0;
float __roundRobinID;
for ( unsigned nLayer = 0; nLayer < __maxLayers; ++nLayer ) {
InstrumentLayer *pLayer = pCompo->get_layer( nLayer );
if ( pLayer == NULL ) continue;
if ( ( pNote->get_velocity() >= pLayer->get_start_velocity() ) && ( pNote->get_velocity() <= pLayer->get_end_velocity() ) ) {
__possibleIndex[__foundSamples] = nLayer;
__roundRobinID = pLayer->get_start_velocity();
__foundSamples++;
}
}
if( __foundSamples > 0 ) {
__roundRobinID = pInstr->get_id() * 10 + __roundRobinID;
int p_indexToUse = pSong->get_latest_round_robin(__roundRobinID)+1;
if( p_indexToUse > __foundSamples - 1)
p_indexToUse = 0;
pSong->set_latest_round_robin(__roundRobinID, p_indexToUse);
nAlreadySelectedLayer = __possibleIndex[p_indexToUse];
pSelectedLayer->SelectedLayer = nAlreadySelectedLayer;
InstrumentLayer *pLayer = pCompo->get_layer( nAlreadySelectedLayer );
pSample = pLayer->get_sample();
fLayerGain = pLayer->get_gain();
fLayerPitch = pLayer->get_pitch();
}
}
break;
}
}
if ( !pSample ) {
QString dummy = QString( "NULL sample for instrument %1. Note velocity: %2" ).arg( pInstr->get_name() ).arg( pNote->get_velocity() );
WARNINGLOG( dummy );
nReturnValues[nReturnValueIndex] = true;
continue;
}
if ( pSelectedLayer->SamplePosition >= pSample->get_frames() ) {
WARNINGLOG( "sample position out of bounds. The layer has been resized during note play?" );
nReturnValues[nReturnValueIndex] = true;
continue;
}
int noteStartInFrames = ( int ) ( pNote->get_position() * audio_output->m_transport.m_nTickSize ) + pNote->get_humanize_delay();
int nInitialSilence = 0;
if ( noteStartInFrames > ( int ) nFramepos ) { // scrivo silenzio prima dell'inizio della nota
nInitialSilence = noteStartInFrames - nFramepos;
int nFrames = nBufferSize - nInitialSilence;
if ( nFrames < 0 ) {
int noteStartInFramesNoHumanize = ( int )pNote->get_position() * audio_output->m_transport.m_nTickSize;
if ( noteStartInFramesNoHumanize > ( int )( nFramepos + nBufferSize ) ) {
// this note is not valid. it's in the future...let's skip it....
ERRORLOG( QString( "Note pos in the future?? Current frames: %1, note frame pos: %2" ).arg( nFramepos ).arg(noteStartInFramesNoHumanize ) );
//pNote->dumpInfo();
nReturnValues[nReturnValueIndex] = true;
continue;
}
// delay note execution
//INFOLOG( "Delaying note execution. noteStartInFrames: " + to_string( noteStartInFrames ) + ", nFramePos: " + to_string( nFramepos ) );
//return 0;
continue;
}
}
float cost_L = 1.0f;
float cost_R = 1.0f;
float cost_track_L = 1.0f;
float cost_track_R = 1.0f;
assert(pMainCompo);
bool isMutedForExport = (pEngine->getIsExportSessionActive() && !pInstr->is_currently_exported());
/*
* Is instrument muted?
*
* This can be the case either if the song, instrument or component is muted or if we're in an
* export session and we're doing per-instruments exports, but this instrument is not currently
* beeing exported.
*/
if ( isMutedForExport || pInstr->is_muted() || pSong->__is_muted || pMainCompo->is_muted() ) {
cost_L = 0.0;
cost_R = 0.0;
if ( Preferences::get_instance()->m_nJackTrackOutputMode == 0 ) {
// Post-Fader
cost_track_L = 0.0;
cost_track_R = 0.0;
}
} else { // Precompute some values...
if ( pInstr->get_apply_velocity() ) {
cost_L = cost_L * pNote->get_velocity(); // note velocity
cost_R = cost_R * pNote->get_velocity(); // note velocity
}
cost_L = cost_L * pNote->get_pan_l(); // note pan
cost_L = cost_L * fLayerGain; // layer gain
cost_L = cost_L * pInstr->get_pan_l(); // instrument pan
cost_L = cost_L * pInstr->get_gain(); // instrument gain
cost_L = cost_L * pCompo->get_gain(); // Component gain
cost_L = cost_L * pMainCompo->get_volume(); // Component volument
cost_L = cost_L * pInstr->get_volume(); // instrument volume
if ( Preferences::get_instance()->m_nJackTrackOutputMode == 0 ) {
// Post-Fader
cost_track_L = cost_L * 2;
}
cost_L = cost_L * pSong->get_volume(); // song volume
cost_L = cost_L * 2; // max pan is 0.5
cost_R = cost_R * pNote->get_pan_r(); // note pan
cost_R = cost_R * fLayerGain; // layer gain
cost_R = cost_R * pInstr->get_pan_r(); // instrument pan
cost_R = cost_R * pInstr->get_gain(); // instrument gain
cost_R = cost_R * pCompo->get_gain(); // Component gain
cost_R = cost_R * pMainCompo->get_volume(); // Component volument
cost_R = cost_R * pInstr->get_volume(); // instrument volume
if ( Preferences::get_instance()->m_nJackTrackOutputMode == 0 ) {
// Post-Fader
cost_track_R = cost_R * 2;
}
cost_R = cost_R * pSong->get_volume(); // song pan
cost_R = cost_R * 2; // max pan is 0.5
}
// direct track outputs only use velocity
if ( Preferences::get_instance()->m_nJackTrackOutputMode == 1 ) {
cost_track_L = cost_track_L * pNote->get_velocity();
cost_track_L = cost_track_L * fLayerGain;
cost_track_R = cost_track_L;
}
// Se non devo fare resample (drumkit) posso evitare di utilizzare i float e gestire il tutto in
// maniera ottimizzata
// constant^12 = 2, so constant = 2^(1/12) = 1.059463.
// float nStep = 1.0;1.0594630943593
float fTotalPitch = pNote->get_total_pitch() + fLayerPitch;
//_INFOLOG( "total pitch: " + to_string( fTotalPitch ) );
if( ( int )pSelectedLayer->SamplePosition == 0 )
{
if( Hydrogen::get_instance()->getMidiOutput() != NULL ){
Hydrogen::get_instance()->getMidiOutput()->handleQueueNote( pNote );
}
}
if ( fTotalPitch == 0.0 && pSample->get_sample_rate() == audio_output->getSampleRate() ) // NO RESAMPLE
nReturnValues[nReturnValueIndex] = __render_note_no_resample( pSample, pNote, pSelectedLayer, pCompo, pMainCompo, nBufferSize, nInitialSilence, cost_L, cost_R, cost_track_L, cost_track_R, pSong );
else // RESAMPLE
nReturnValues[nReturnValueIndex] = __render_note_resample( pSample, pNote, pSelectedLayer, pCompo, pMainCompo, nBufferSize, nInitialSilence, cost_L, cost_R, cost_track_L, cost_track_R, fLayerPitch, pSong );
nReturnValueIndex++;
}
for ( unsigned i = 0 ; i < pInstr->get_components()->size() ; i++ )
if ( !nReturnValues[i] ) return false;
return true;
}
/// Render a note
/// Return 0: the note is not ended
/// Return 1: the note is ended
unsigned Sampler::__render_note( Note* pNote, unsigned nBufferSize, Song* pSong )
{
//infoLog( "[renderNote] instr: " + pNote->getInstrument()->m_sName );
assert( pSong );
unsigned int nFramepos;
Hydrogen* pEngine = Hydrogen::get_instance();
AudioOutput* audio_output = pEngine->getAudioOutput();
if ( pEngine->getState() == STATE_PLAYING ) {
nFramepos = audio_output->m_transport.m_nFrames;
} else {
// use this to support realtime events when not playing
nFramepos = pEngine->getRealtimeFrames();
}
Instrument *pInstr = pNote->get_instrument();
if ( !pInstr ) {
ERRORLOG( "NULL instrument" );
return 1;
}
int nReturnValue = 0;
for (std::vector<InstrumentComponent*>::iterator it = pInstr->get_components()->begin() ; it !=pInstr->get_components()->end(); ++it) {
InstrumentComponent *pCompo = *it;
DrumkitComponent* pMainCompo = 0;
if( pInstr->is_preview_instrument()
|| pInstr->is_metronome_instrument()){
pMainCompo = pEngine->getSong()->get_components()->front();
} else {
pMainCompo = pEngine->getSong()->get_component( pCompo->get_drumkit_componentID() );
}
assert(pMainCompo);
float fLayerGain = 1.0;
float fLayerPitch = 0.0;
// scelgo il sample da usare in base alla velocity
Sample *pSample = NULL;
for ( unsigned nLayer = 0; nLayer < MAX_LAYERS; ++nLayer ) {
InstrumentLayer *pLayer = pCompo->get_layer( nLayer );
if ( pLayer == NULL ) continue;
if ( ( pNote->get_velocity() >= pLayer->get_start_velocity() ) && ( pNote->get_velocity() <= pLayer->get_end_velocity() ) ) {
pSample = pLayer->get_sample();
fLayerGain = pLayer->get_gain();
fLayerPitch = pLayer->get_pitch();
break;
}
}
if ( !pSample ) {
QString dummy = QString( "NULL sample for instrument %1. Note velocity: %2" ).arg( pInstr->get_name() ).arg( pNote->get_velocity() );
WARNINGLOG( dummy );
nReturnValue = 1;
continue;
}
if ( pNote->get_sample_position( pCompo->get_drumkit_componentID() ) >= pSample->get_frames() ) {
WARNINGLOG( "sample position out of bounds. The layer has been resized during note play?" );
nReturnValue = 1;
continue;
}
int noteStartInFrames = ( int ) ( pNote->get_position() * audio_output->m_transport.m_nTickSize ) + pNote->get_humanize_delay();
int nInitialSilence = 0;
if ( noteStartInFrames > ( int ) nFramepos ) { // scrivo silenzio prima dell'inizio della nota
nInitialSilence = noteStartInFrames - nFramepos;
int nFrames = nBufferSize - nInitialSilence;
if ( nFrames < 0 ) {
int noteStartInFramesNoHumanize = ( int )pNote->get_position() * audio_output->m_transport.m_nTickSize;
if ( noteStartInFramesNoHumanize > ( int )( nFramepos + nBufferSize ) ) {
// this note is not valid. it's in the future...let's skip it....
ERRORLOG( QString( "Note pos in the future?? Current frames: %1, note frame pos: %2" ).arg( nFramepos ).arg(noteStartInFramesNoHumanize ) );
//pNote->dumpInfo();
nReturnValue = 1;
continue;
}
// delay note execution
//INFOLOG( "Delaying note execution. noteStartInFrames: " + to_string( noteStartInFrames ) + ", nFramePos: " + to_string( nFramepos ) );
//return 0;
continue;
}
}
float cost_L = 1.0f;
float cost_R = 1.0f;
float cost_track_L = 1.0f;
float cost_track_R = 1.0f;
assert(pMainCompo);
if ( pInstr->is_muted() || pSong->__is_muted || pMainCompo->is_muted() ) { // is instrument muted?
cost_L = 0.0;
cost_R = 0.0;
if ( Preferences::get_instance()->m_nJackTrackOutputMode == 0 ) {
// Post-Fader
cost_track_L = 0.0;
cost_track_R = 0.0;
}
} else { // Precompute some values...
cost_L = cost_L * pNote->get_velocity(); // note velocity
cost_L = cost_L * pNote->get_pan_l(); // note pan
cost_L = cost_L * fLayerGain; // layer gain
cost_L = cost_L * pInstr->get_pan_l(); // instrument pan
cost_L = cost_L * pInstr->get_gain(); // instrument gain
cost_L = cost_L * pCompo->get_gain(); // Component gain
cost_L = cost_L * pMainCompo->get_volume(); // Component volument
cost_L = cost_L * pInstr->get_volume(); // instrument volume
if ( Preferences::get_instance()->m_nJackTrackOutputMode == 0 ) {
// Post-Fader
cost_track_L = cost_L * 2;
}
cost_L = cost_L * pSong->get_volume(); // song volume
cost_L = cost_L * 2; // max pan is 0.5
cost_R = cost_R * pNote->get_velocity(); // note velocity
cost_R = cost_R * pNote->get_pan_r(); // note pan
cost_R = cost_R * fLayerGain; // layer gain
cost_R = cost_R * pInstr->get_pan_r(); // instrument pan
cost_R = cost_R * pInstr->get_gain(); // instrument gain
cost_R = cost_R * pCompo->get_gain(); // Component gain
cost_R = cost_R * pMainCompo->get_volume(); // Component volument
cost_R = cost_R * pInstr->get_volume(); // instrument volume
if ( Preferences::get_instance()->m_nJackTrackOutputMode == 0 ) {
// Post-Fader
cost_track_R = cost_R * 2;
}
cost_R = cost_R * pSong->get_volume(); // song pan
cost_R = cost_R * 2; // max pan is 0.5
}
// direct track outputs only use velocity
if ( Preferences::get_instance()->m_nJackTrackOutputMode == 1 ) {
cost_track_L = cost_track_L * pNote->get_velocity();
cost_track_L = cost_track_L * fLayerGain;
cost_track_R = cost_track_L;
}
// Se non devo fare resample (drumkit) posso evitare di utilizzare i float e gestire il tutto in
// maniera ottimizzata
// constant^12 = 2, so constant = 2^(1/12) = 1.059463.
// float nStep = 1.0;1.0594630943593
float fTotalPitch = pNote->get_total_pitch() + fLayerPitch;
//_INFOLOG( "total pitch: " + to_string( fTotalPitch ) );
if( ( int )pNote->get_sample_position(pCompo->get_drumkit_componentID()) == 0 )
{
if( Hydrogen::get_instance()->getMidiOutput() != NULL ){
Hydrogen::get_instance()->getMidiOutput()->handleQueueNote( pNote );
}
}
if ( fTotalPitch == 0.0 && pSample->get_sample_rate() == audio_output->getSampleRate() ) { // NO RESAMPLE
if ( __render_note_no_resample( pSample, pNote, pCompo, pMainCompo, nBufferSize, nInitialSilence, cost_L, cost_R, cost_track_L, cost_track_R, pSong ) == 1 )
nReturnValue = 1;
} else { // RESAMPLE
if ( __render_note_resample( pSample, pNote, pCompo, pMainCompo, nBufferSize, nInitialSilence, cost_L, cost_R, cost_track_L, cost_track_R, fLayerPitch, pSong ) == 1 )
nReturnValue = 1;
}
}
return nReturnValue;
}