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sf2_player.cpp
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sf2_player.cpp
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/*
* sf2_player.cpp - a soundfont2 player using fluidSynth
*
* Copyright (c) 2008 Paul Giblock <drfaygo/at/gmail/dot/com>
* Copyright (c) 2009-2014 Tobias Doerffel <tobydox/at/users.sourceforge.net>
*
* This file is part of LMMS - https://lmms.io
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public
* License along with this program (see COPYING); if not, write to the
* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301 USA.
*
*/
#include <QDebug>
#include <QLayout>
#include <QLabel>
#include <QDomDocument>
#include "ConfigManager.h"
#include "FileDialog.h"
#include "sf2_player.h"
#include "ConfigManager.h"
#include "Engine.h"
#include "InstrumentTrack.h"
#include "InstrumentPlayHandle.h"
#include "Mixer.h"
#include "NotePlayHandle.h"
#include "Knob.h"
#include "SampleBuffer.h"
#include "Song.h"
#include "patches_dialog.h"
#include "ToolTip.h"
#include "LcdSpinBox.h"
#include "embed.h"
#include "plugin_export.h"
extern "C"
{
Plugin::Descriptor PLUGIN_EXPORT sf2player_plugin_descriptor =
{
STRINGIFY( PLUGIN_NAME ),
"Sf2 Player",
QT_TRANSLATE_NOOP( "pluginBrowser", "Player for SoundFont files" ),
"Paul Giblock <drfaygo/at/gmail/dot/com>",
0x0100,
Plugin::Instrument,
new PluginPixmapLoader( "logo" ),
"sf2,sf3",
NULL
} ;
}
struct SF2PluginData
{
int midiNote;
int lastPanning;
float lastVelocity;
fluid_voice_t * fluidVoice;
bool isNew;
f_cnt_t offset;
bool noteOffSent;
} ;
// Static map of current sfonts
QMap<QString, sf2Font*> sf2Instrument::s_fonts;
QMutex sf2Instrument::s_fontsMutex;
sf2Instrument::sf2Instrument( InstrumentTrack * _instrument_track ) :
Instrument( _instrument_track, &sf2player_plugin_descriptor ),
m_srcState( NULL ),
m_font( NULL ),
m_fontId( 0 ),
m_filename( "" ),
m_lastMidiPitch( -1 ),
m_lastMidiPitchRange( -1 ),
m_channel( 1 ),
m_bankNum( 0, 0, 999, this, tr("Bank") ),
m_patchNum( 0, 0, 127, this, tr("Patch") ),
m_gain( 1.0f, 0.0f, 5.0f, 0.01f, this, tr( "Gain" ) ),
m_reverbOn( false, this, tr( "Reverb" ) ),
m_reverbRoomSize( FLUID_REVERB_DEFAULT_ROOMSIZE, 0, 1.0, 0.01f, this, tr( "Reverb room size" ) ),
m_reverbDamping( FLUID_REVERB_DEFAULT_DAMP, 0, 1.0, 0.01, this, tr( "Reverb damping" ) ),
m_reverbWidth( FLUID_REVERB_DEFAULT_WIDTH, 0, 1.0, 0.01f, this, tr( "Reverb width" ) ),
m_reverbLevel( FLUID_REVERB_DEFAULT_LEVEL, 0, 1.0, 0.01f, this, tr( "Reverb level" ) ),
m_chorusOn( false, this, tr( "Chorus" ) ),
m_chorusNum( FLUID_CHORUS_DEFAULT_N, 0, 10.0, 1.0, this, tr( "Chorus voices" ) ),
m_chorusLevel( FLUID_CHORUS_DEFAULT_LEVEL, 0, 10.0, 0.01, this, tr( "Chorus level" ) ),
m_chorusSpeed( FLUID_CHORUS_DEFAULT_SPEED, 0.29, 5.0, 0.01, this, tr( "Chorus speed" ) ),
m_chorusDepth( FLUID_CHORUS_DEFAULT_DEPTH, 0, 46.0, 0.05, this, tr( "Chorus depth" ) )
{
for( int i = 0; i < 128; ++i )
{
m_notesRunning[i] = 0;
}
#if QT_VERSION_CHECK(FLUIDSYNTH_VERSION_MAJOR, FLUIDSYNTH_VERSION_MINOR, FLUIDSYNTH_VERSION_MICRO) >= QT_VERSION_CHECK(1,1,9)
// Deactivate all audio drivers in fluidsynth
const char *none[] = { NULL };
fluid_audio_driver_register( none );
#endif
m_settings = new_fluid_settings();
//fluid_settings_setint( m_settings, (char *) "audio.period-size", engine::mixer()->framesPerPeriod() );
// This is just our starting instance of synth. It is recreated
// everytime we load a new soundfont.
m_synth = new_fluid_synth( m_settings );
#if FLUIDSYNTH_VERSION_MAJOR >= 2
// Get the default values from the setting
double settingVal;
fluid_settings_getnum_default(m_settings, "synth.reverb.room-size", &settingVal);
m_reverbRoomSize.setInitValue(settingVal);
fluid_settings_getnum_default(m_settings, "synth.reverb.damping", &settingVal);
m_reverbDamping.setInitValue(settingVal);
fluid_settings_getnum_default(m_settings, "synth.reverb.width", &settingVal);
m_reverbWidth.setInitValue(settingVal);
fluid_settings_getnum_default(m_settings, "synth.reverb.level", &settingVal);
m_reverbLevel.setInitValue(settingVal);
fluid_settings_getnum_default(m_settings, "synth.chorus.nr", &settingVal);
m_chorusNum.setInitValue(settingVal);
fluid_settings_getnum_default(m_settings, "synth.chorus.level", &settingVal);
m_chorusLevel.setInitValue(settingVal);
fluid_settings_getnum_default(m_settings, "synth.chorus.speed", &settingVal);
m_chorusSpeed.setInitValue(settingVal);
fluid_settings_getnum_default(m_settings, "synth.chorus.depth", &settingVal);
m_chorusDepth.setInitValue(settingVal);
#endif
loadFile( ConfigManager::inst()->defaultSoundfont() );
updateSampleRate();
updateReverbOn();
updateReverb();
updateChorusOn();
updateChorus();
updateGain();
connect( &m_bankNum, SIGNAL( dataChanged() ), this, SLOT( updatePatch() ) );
connect( &m_patchNum, SIGNAL( dataChanged() ), this, SLOT( updatePatch() ) );
connect( Engine::mixer(), SIGNAL( sampleRateChanged() ), this, SLOT( updateSampleRate() ) );
// Gain
connect( &m_gain, SIGNAL( dataChanged() ), this, SLOT( updateGain() ) );
// Reverb
connect( &m_reverbOn, SIGNAL( dataChanged() ), this, SLOT( updateReverbOn() ) );
connect( &m_reverbRoomSize, SIGNAL( dataChanged() ), this, SLOT( updateReverb() ) );
connect( &m_reverbDamping, SIGNAL( dataChanged() ), this, SLOT( updateReverb() ) );
connect( &m_reverbWidth, SIGNAL( dataChanged() ), this, SLOT( updateReverb() ) );
connect( &m_reverbLevel, SIGNAL( dataChanged() ), this, SLOT( updateReverb() ) );
// Chorus
connect( &m_chorusOn, SIGNAL( dataChanged() ), this, SLOT( updateChorusOn() ) );
connect( &m_chorusNum, SIGNAL( dataChanged() ), this, SLOT( updateChorus() ) );
connect( &m_chorusLevel, SIGNAL( dataChanged() ), this, SLOT( updateChorus() ) );
connect( &m_chorusSpeed, SIGNAL( dataChanged() ), this, SLOT( updateChorus() ) );
connect( &m_chorusDepth, SIGNAL( dataChanged() ), this, SLOT( updateChorus() ) );
InstrumentPlayHandle * iph = new InstrumentPlayHandle( this, _instrument_track );
Engine::mixer()->addPlayHandle( iph );
}
sf2Instrument::~sf2Instrument()
{
Engine::mixer()->removePlayHandlesOfTypes( instrumentTrack(),
PlayHandle::TypeNotePlayHandle
| PlayHandle::TypeInstrumentPlayHandle );
freeFont();
delete_fluid_synth( m_synth );
delete_fluid_settings( m_settings );
if( m_srcState != NULL )
{
src_delete( m_srcState );
}
}
void sf2Instrument::saveSettings( QDomDocument & _doc, QDomElement & _this )
{
_this.setAttribute( "src", m_filename );
m_patchNum.saveSettings( _doc, _this, "patch" );
m_bankNum.saveSettings( _doc, _this, "bank" );
m_gain.saveSettings( _doc, _this, "gain" );
m_reverbOn.saveSettings( _doc, _this, "reverbOn" );
m_reverbRoomSize.saveSettings( _doc, _this, "reverbRoomSize" );
m_reverbDamping.saveSettings( _doc, _this, "reverbDamping" );
m_reverbWidth.saveSettings( _doc, _this, "reverbWidth" );
m_reverbLevel.saveSettings( _doc, _this, "reverbLevel" );
m_chorusOn.saveSettings( _doc, _this, "chorusOn" );
m_chorusNum.saveSettings( _doc, _this, "chorusNum" );
m_chorusLevel.saveSettings( _doc, _this, "chorusLevel" );
m_chorusSpeed.saveSettings( _doc, _this, "chorusSpeed" );
m_chorusDepth.saveSettings( _doc, _this, "chorusDepth" );
}
void sf2Instrument::loadSettings( const QDomElement & _this )
{
openFile( _this.attribute( "src" ), false );
m_patchNum.loadSettings( _this, "patch" );
m_bankNum.loadSettings( _this, "bank" );
m_gain.loadSettings( _this, "gain" );
m_reverbOn.loadSettings( _this, "reverbOn" );
m_reverbRoomSize.loadSettings( _this, "reverbRoomSize" );
m_reverbDamping.loadSettings( _this, "reverbDamping" );
m_reverbWidth.loadSettings( _this, "reverbWidth" );
m_reverbLevel.loadSettings( _this, "reverbLevel" );
m_chorusOn.loadSettings( _this, "chorusOn" );
m_chorusNum.loadSettings( _this, "chorusNum" );
m_chorusLevel.loadSettings( _this, "chorusLevel" );
m_chorusSpeed.loadSettings( _this, "chorusSpeed" );
m_chorusDepth.loadSettings( _this, "chorusDepth" );
updatePatch();
updateGain();
}
void sf2Instrument::loadFile( const QString & _file )
{
if( !_file.isEmpty() && QFileInfo( _file ).exists() )
{
openFile( _file, false );
updatePatch();
// for some reason we've to call that, otherwise preview of a
// soundfont for the first time fails
updateSampleRate();
}
}
AutomatableModel * sf2Instrument::childModel( const QString & _modelName )
{
if( _modelName == "bank" )
{
return &m_bankNum;
}
else if( _modelName == "patch" )
{
return &m_patchNum;
}
qCritical() << "requested unknown model " << _modelName;
return NULL;
}
QString sf2Instrument::nodeName() const
{
return sf2player_plugin_descriptor.name;
}
void sf2Instrument::freeFont()
{
m_synthMutex.lock();
if ( m_font != NULL )
{
s_fontsMutex.lock();
--(m_font->refCount);
// No more references
if( m_font->refCount <= 0 )
{
qDebug() << "Really deleting " << m_filename;
fluid_synth_sfunload( m_synth, m_fontId, true );
s_fonts.remove( m_filename );
delete m_font;
}
// Just remove our reference
else
{
qDebug() << "un-referencing " << m_filename;
fluid_synth_remove_sfont( m_synth, m_font->fluidFont );
}
s_fontsMutex.unlock();
m_font = NULL;
}
m_synthMutex.unlock();
}
void sf2Instrument::openFile( const QString & _sf2File, bool updateTrackName )
{
emit fileLoading();
// Used for loading file
char * sf2Ascii = qstrdup( qPrintable( SampleBuffer::tryToMakeAbsolute( _sf2File ) ) );
QString relativePath = SampleBuffer::tryToMakeRelative( _sf2File );
// free reference to soundfont if one is selected
freeFont();
m_synthMutex.lock();
s_fontsMutex.lock();
// Increment Reference
if( s_fonts.contains( relativePath ) )
{
qDebug() << "Using existing reference to " << relativePath;
m_font = s_fonts[ relativePath ];
m_font->refCount++;
m_fontId = fluid_synth_add_sfont( m_synth, m_font->fluidFont );
}
// Add to map, if doesn't exist.
else
{
m_fontId = fluid_synth_sfload( m_synth, sf2Ascii, true );
if( fluid_synth_sfcount( m_synth ) > 0 )
{
// Grab this sf from the top of the stack and add to list
m_font = new sf2Font( fluid_synth_get_sfont( m_synth, 0 ) );
s_fonts.insert( relativePath, m_font );
}
else
{
collectErrorForUI( sf2Instrument::tr( "A soundfont %1 could not be loaded." ).arg( QFileInfo( _sf2File ).baseName() ) );
// TODO: Why is the filename missing when the file does not exist?
}
}
s_fontsMutex.unlock();
m_synthMutex.unlock();
if( m_fontId >= 0 )
{
// Don't reset patch/bank, so that it isn't cleared when
// someone resolves a missing file
//m_patchNum.setValue( 0 );
//m_bankNum.setValue( 0 );
m_filename = relativePath;
emit fileChanged();
}
delete[] sf2Ascii;
if( updateTrackName || instrumentTrack()->displayName() == displayName() )
{
instrumentTrack()->setName( QFileInfo( _sf2File ).baseName() );
}
}
void sf2Instrument::updatePatch()
{
if( m_bankNum.value() >= 0 && m_patchNum.value() >= 0 )
{
fluid_synth_program_select( m_synth, m_channel, m_fontId,
m_bankNum.value(), m_patchNum.value() );
}
}
QString sf2Instrument::getCurrentPatchName()
{
int iBankSelected = m_bankNum.value();
int iProgSelected = m_patchNum.value();
// For all soundfonts (in reversed stack order) fill the available programs...
int cSoundFonts = ::fluid_synth_sfcount( m_synth );
for( int i = 0; i < cSoundFonts; i++ )
{
fluid_sfont_t *pSoundFont = fluid_synth_get_sfont( m_synth, i );
if ( pSoundFont )
{
#ifdef CONFIG_FLUID_BANK_OFFSET
int iBankOffset =
fluid_synth_get_bank_offset(
m_synth, fluid_sfont_get_id(pSoundFont) );
#endif
fluid_sfont_iteration_start( pSoundFont );
#if FLUIDSYNTH_VERSION_MAJOR < 2
fluid_preset_t preset;
fluid_preset_t *pCurPreset = &preset;
#else
fluid_preset_t *pCurPreset;
#endif
while ((pCurPreset = fluid_sfont_iteration_next_wrapper(pSoundFont, pCurPreset)))
{
int iBank = fluid_preset_get_banknum( pCurPreset );
#ifdef CONFIG_FLUID_BANK_OFFSET
iBank += iBankOffset;
#endif
int iProg = fluid_preset_get_num( pCurPreset );
if( iBank == iBankSelected && iProg ==
iProgSelected )
{
return fluid_preset_get_name( pCurPreset );
}
}
}
}
return "";
}
void sf2Instrument::updateGain()
{
fluid_synth_set_gain( m_synth, m_gain.value() );
}
void sf2Instrument::updateReverbOn()
{
fluid_synth_set_reverb_on( m_synth, m_reverbOn.value() ? 1 : 0 );
}
void sf2Instrument::updateReverb()
{
fluid_synth_set_reverb( m_synth, m_reverbRoomSize.value(),
m_reverbDamping.value(), m_reverbWidth.value(),
m_reverbLevel.value() );
}
void sf2Instrument::updateChorusOn()
{
fluid_synth_set_chorus_on( m_synth, m_chorusOn.value() ? 1 : 0 );
}
void sf2Instrument::updateChorus()
{
fluid_synth_set_chorus( m_synth, static_cast<int>( m_chorusNum.value() ),
m_chorusLevel.value(), m_chorusSpeed.value(),
m_chorusDepth.value(), 0 );
}
void sf2Instrument::updateSampleRate()
{
double tempRate;
// Set & get, returns the true sample rate
fluid_settings_setnum( m_settings, (char *) "synth.sample-rate", Engine::mixer()->processingSampleRate() );
fluid_settings_getnum( m_settings, (char *) "synth.sample-rate", &tempRate );
m_internalSampleRate = static_cast<int>( tempRate );
if( m_font )
{
// Now, delete the old one and replace
m_synthMutex.lock();
fluid_synth_remove_sfont( m_synth, m_font->fluidFont );
delete_fluid_synth( m_synth );
// New synth
m_synth = new_fluid_synth( m_settings );
m_fontId = fluid_synth_add_sfont( m_synth, m_font->fluidFont );
m_synthMutex.unlock();
// synth program change (set bank and patch)
updatePatch();
}
else
{
// Recreate synth with no soundfonts
m_synthMutex.lock();
delete_fluid_synth( m_synth );
m_synth = new_fluid_synth( m_settings );
m_synthMutex.unlock();
}
m_synthMutex.lock();
if( Engine::mixer()->currentQualitySettings().interpolation >=
Mixer::qualitySettings::Interpolation_SincFastest )
{
fluid_synth_set_interp_method( m_synth, -1, FLUID_INTERP_7THORDER );
}
else
{
fluid_synth_set_interp_method( m_synth, -1, FLUID_INTERP_DEFAULT );
}
m_synthMutex.unlock();
if( m_internalSampleRate < Engine::mixer()->processingSampleRate() )
{
m_synthMutex.lock();
if( m_srcState != NULL )
{
src_delete( m_srcState );
}
int error;
m_srcState = src_new( Engine::mixer()->currentQualitySettings().libsrcInterpolation(), DEFAULT_CHANNELS, &error );
if( m_srcState == NULL || error )
{
qCritical( "error while creating libsamplerate data structure in Sf2Instrument::updateSampleRate()" );
}
m_synthMutex.unlock();
}
updateReverb();
updateChorus();
updateReverbOn();
updateChorusOn();
updateGain();
// Reset last MIDI pitch properties, which will be set to the correct values
// upon playing the next note
m_lastMidiPitch = -1;
m_lastMidiPitchRange = -1;
}
void sf2Instrument::playNote( NotePlayHandle * _n, sampleFrame * )
{
if( _n->isMasterNote() || ( _n->hasParent() && _n->isReleased() ) )
{
return;
}
const f_cnt_t tfp = _n->totalFramesPlayed();
if( tfp == 0 )
{
const float LOG440 = 2.643452676f;
int midiNote = (int)floor( 12.0 * ( log2( _n->unpitchedFrequency() ) - LOG440 ) - 4.0 );
// out of range?
if( midiNote <= 0 || midiNote >= 128 )
{
return;
}
const int baseVelocity = instrumentTrack()->midiPort()->baseVelocity();
SF2PluginData * pluginData = new SF2PluginData;
pluginData->midiNote = midiNote;
pluginData->lastPanning = 0;
pluginData->lastVelocity = _n->midiVelocity( baseVelocity );
pluginData->fluidVoice = NULL;
pluginData->isNew = true;
pluginData->offset = _n->offset();
pluginData->noteOffSent = false;
_n->m_pluginData = pluginData;
// insert the nph to the playing notes vector
m_playingNotesMutex.lock();
m_playingNotes.append( _n );
m_playingNotesMutex.unlock();
}
else if( _n->isReleased() && ! _n->instrumentTrack()->isSustainPedalPressed() ) // note is released during this period
{
SF2PluginData * pluginData = static_cast<SF2PluginData *>( _n->m_pluginData );
pluginData->offset = _n->framesBeforeRelease();
pluginData->isNew = false;
m_playingNotesMutex.lock();
m_playingNotes.append( _n );
m_playingNotesMutex.unlock();
}
}
void sf2Instrument::noteOn( SF2PluginData * n )
{
m_synthMutex.lock();
// get list of current voice IDs so we can easily spot the new
// voice after the fluid_synth_noteon() call
const int poly = fluid_synth_get_polyphony( m_synth );
fluid_voice_t * voices[poly];
unsigned int id[poly];
fluid_synth_get_voicelist( m_synth, voices, poly, -1 );
for( int i = 0; i < poly; ++i )
{
id[i] = 0;
}
for( int i = 0; i < poly && voices[i]; ++i )
{
id[i] = fluid_voice_get_id( voices[i] );
}
fluid_synth_noteon( m_synth, m_channel, n->midiNote, n->lastVelocity );
// get new voice and save it
fluid_synth_get_voicelist( m_synth, voices, poly, -1 );
for( int i = 0; i < poly && voices[i]; ++i )
{
const unsigned int newID = fluid_voice_get_id( voices[i] );
if( id[i] != newID || newID == 0 )
{
n->fluidVoice = voices[i];
break;
}
}
m_synthMutex.unlock();
m_notesRunningMutex.lock();
++m_notesRunning[ n->midiNote ];
m_notesRunningMutex.unlock();
}
void sf2Instrument::noteOff( SF2PluginData * n )
{
n->noteOffSent = true;
m_notesRunningMutex.lock();
const int notes = --m_notesRunning[n->midiNote];
m_notesRunningMutex.unlock();
if( notes <= 0 )
{
m_synthMutex.lock();
fluid_synth_noteoff( m_synth, m_channel, n->midiNote );
m_synthMutex.unlock();
}
}
void sf2Instrument::play( sampleFrame * _working_buffer )
{
const fpp_t frames = Engine::mixer()->framesPerPeriod();
// set midi pitch for this period
const int currentMidiPitch = instrumentTrack()->midiPitch();
if( m_lastMidiPitch != currentMidiPitch )
{
m_lastMidiPitch = currentMidiPitch;
m_synthMutex.lock();
fluid_synth_pitch_bend( m_synth, m_channel, m_lastMidiPitch );
m_synthMutex.unlock();
}
const int currentMidiPitchRange = instrumentTrack()->midiPitchRange();
if( m_lastMidiPitchRange != currentMidiPitchRange )
{
m_lastMidiPitchRange = currentMidiPitchRange;
m_synthMutex.lock();
fluid_synth_pitch_wheel_sens( m_synth, m_channel, m_lastMidiPitchRange );
m_synthMutex.unlock();
}
// if we have no new noteons/noteoffs, just render a period and call it a day
if( m_playingNotes.isEmpty() )
{
renderFrames( frames, _working_buffer );
instrumentTrack()->processAudioBuffer( _working_buffer, frames, NULL );
return;
}
// processing loop
// go through noteplayhandles in processing order
f_cnt_t currentFrame = 0;
while( ! m_playingNotes.isEmpty() )
{
// find the note with lowest offset
NotePlayHandle * currentNote = m_playingNotes[0];
for( int i = 1; i < m_playingNotes.size(); ++i )
{
SF2PluginData * currentData = static_cast<SF2PluginData *>( currentNote->m_pluginData );
SF2PluginData * iData = static_cast<SF2PluginData *>( m_playingNotes[i]->m_pluginData );
if( currentData->offset > iData->offset )
{
currentNote = m_playingNotes[i];
}
}
// process the current note:
// first see if we're synced in frame count
SF2PluginData * currentData = static_cast<SF2PluginData *>( currentNote->m_pluginData );
if( currentData->offset > currentFrame )
{
renderFrames( currentData->offset - currentFrame, _working_buffer + currentFrame );
currentFrame = currentData->offset;
}
if( currentData->isNew )
{
noteOn( currentData );
if( currentNote->isReleased() ) // if the note is released during the same period, we have to process it again for noteoff
{
currentData->isNew = false;
currentData->offset = currentNote->framesBeforeRelease();
}
else // otherwise remove the handle
{
m_playingNotesMutex.lock();
m_playingNotes.remove( m_playingNotes.indexOf( currentNote ) );
m_playingNotesMutex.unlock();
}
}
else
{
noteOff( currentData );
m_playingNotesMutex.lock();
m_playingNotes.remove( m_playingNotes.indexOf( currentNote ) );
m_playingNotesMutex.unlock();
}
}
if( currentFrame < frames )
{
renderFrames( frames - currentFrame, _working_buffer + currentFrame );
}
instrumentTrack()->processAudioBuffer( _working_buffer, frames, NULL );
}
void sf2Instrument::renderFrames( f_cnt_t frames, sampleFrame * buf )
{
m_synthMutex.lock();
if( m_internalSampleRate < Engine::mixer()->processingSampleRate() &&
m_srcState != NULL )
{
const fpp_t f = frames * m_internalSampleRate / Engine::mixer()->processingSampleRate();
#ifdef __GNUC__
sampleFrame tmp[f];
#else
sampleFrame * tmp = new sampleFrame[f];
#endif
fluid_synth_write_float( m_synth, f, tmp, 0, 2, tmp, 1, 2 );
SRC_DATA src_data;
src_data.data_in = (float *)tmp;
src_data.data_out = (float *)buf;
src_data.input_frames = f;
src_data.output_frames = frames;
src_data.src_ratio = (double) frames / f;
src_data.end_of_input = 0;
int error = src_process( m_srcState, &src_data );
#ifndef __GNUC__
delete[] tmp;
#endif
if( error )
{
qCritical( "sf2Instrument: error while resampling: %s", src_strerror( error ) );
}
if( src_data.output_frames_gen > frames )
{
qCritical( "sf2Instrument: not enough frames: %ld / %d", src_data.output_frames_gen, frames );
}
}
else
{
fluid_synth_write_float( m_synth, frames, buf, 0, 2, buf, 1, 2 );
}
m_synthMutex.unlock();
}
void sf2Instrument::deleteNotePluginData( NotePlayHandle * _n )
{
SF2PluginData * pluginData = static_cast<SF2PluginData *>( _n->m_pluginData );
if( ! pluginData->noteOffSent ) // if we for some reason haven't noteoffed the note before it gets deleted,
// do it here
{
noteOff( pluginData );
m_playingNotesMutex.lock();
if( m_playingNotes.indexOf( _n ) >= 0 )
{
m_playingNotes.remove( m_playingNotes.indexOf( _n ) );
}
m_playingNotesMutex.unlock();
}
delete pluginData;
}
PluginView * sf2Instrument::instantiateView( QWidget * _parent )
{
return new sf2InstrumentView( this, _parent );
}
class sf2Knob : public Knob
{
public:
sf2Knob( QWidget * _parent ) :
Knob( knobStyled, _parent )
{
setFixedSize( 31, 38 );
}
};
sf2InstrumentView::sf2InstrumentView( Instrument * _instrument, QWidget * _parent ) :
InstrumentView( _instrument, _parent )
{
// QVBoxLayout * vl = new QVBoxLayout( this );
// QHBoxLayout * hl = new QHBoxLayout();
sf2Instrument* k = castModel<sf2Instrument>();
connect( &k->m_bankNum, SIGNAL( dataChanged() ), this, SLOT( updatePatchName() ) );
connect( &k->m_patchNum, SIGNAL( dataChanged() ), this, SLOT( updatePatchName() ) );
// File Button
m_fileDialogButton = new PixmapButton( this );
m_fileDialogButton->setCursor( QCursor( Qt::PointingHandCursor ) );
m_fileDialogButton->setActiveGraphic( PLUGIN_NAME::getIconPixmap( "fileselect_on" ) );
m_fileDialogButton->setInactiveGraphic( PLUGIN_NAME::getIconPixmap( "fileselect_off" ) );
m_fileDialogButton->move( 217, 107 );
connect( m_fileDialogButton, SIGNAL( clicked() ), this, SLOT( showFileDialog() ) );
ToolTip::add( m_fileDialogButton, tr( "Open SoundFont file" ) );
// Patch Button
m_patchDialogButton = new PixmapButton( this );
m_patchDialogButton->setCursor( QCursor( Qt::PointingHandCursor ) );
m_patchDialogButton->setActiveGraphic( PLUGIN_NAME::getIconPixmap( "patches_on" ) );
m_patchDialogButton->setInactiveGraphic( PLUGIN_NAME::getIconPixmap( "patches_off" ) );
m_patchDialogButton->setEnabled( false );
m_patchDialogButton->move( 217, 125 );
connect( m_patchDialogButton, SIGNAL( clicked() ), this, SLOT( showPatchDialog() ) );
ToolTip::add( m_patchDialogButton, tr( "Choose patch" ) );
// LCDs
m_bankNumLcd = new LcdSpinBox( 3, "21pink", this );
m_bankNumLcd->move(131, 62);
// m_bankNumLcd->addTextForValue( -1, "---" );
// m_bankNumLcd->setEnabled( false );
m_patchNumLcd = new LcdSpinBox( 3, "21pink", this );
m_patchNumLcd->move(190, 62);
// m_patchNumLcd->addTextForValue( -1, "---" );
// m_patchNumLcd->setEnabled( false );
/*hl->addWidget( m_fileDialogButton );
hl->addWidget( m_bankNumLcd );
hl->addWidget( m_patchNumLcd );
hl->addWidget( m_patchDialogButton );
vl->addLayout( hl );*/
// Next row
//hl = new QHBoxLayout();
m_filenameLabel = new QLabel( this );
m_filenameLabel->setGeometry( 58, 109, 156, 11 );
m_patchLabel = new QLabel( this );
m_patchLabel->setGeometry( 58, 127, 156, 11 );
//hl->addWidget( m_filenameLabel );
// vl->addLayout( hl );
// Gain
m_gainKnob = new sf2Knob( this );
m_gainKnob->setHintText( tr("Gain:"), "" );
m_gainKnob->move( 86, 55 );
// vl->addWidget( m_gainKnob );
// Reverb
// hl = new QHBoxLayout();
m_reverbButton = new PixmapButton( this );
m_reverbButton->setCheckable( true );
m_reverbButton->move( 14, 180 );
m_reverbButton->setActiveGraphic( PLUGIN_NAME::getIconPixmap( "reverb_on" ) );
m_reverbButton->setInactiveGraphic( PLUGIN_NAME::getIconPixmap( "reverb_off" ) );
ToolTip::add( m_reverbButton, tr( "Apply reverb (if supported)" ) );
m_reverbRoomSizeKnob = new sf2Knob( this );
m_reverbRoomSizeKnob->setHintText( tr("Room size:"), "" );
m_reverbRoomSizeKnob->move( 93, 160 );
m_reverbDampingKnob = new sf2Knob( this );
m_reverbDampingKnob->setHintText( tr("Damping:"), "" );
m_reverbDampingKnob->move( 130, 160 );
m_reverbWidthKnob = new sf2Knob( this );
m_reverbWidthKnob->setHintText( tr("Width:"), "" );
m_reverbWidthKnob->move( 167, 160 );
m_reverbLevelKnob = new sf2Knob( this );
m_reverbLevelKnob->setHintText( tr("Level:"), "" );
m_reverbLevelKnob->move( 204, 160 );
/* hl->addWidget( m_reverbOnLed );
hl->addWidget( m_reverbRoomSizeKnob );
hl->addWidget( m_reverbDampingKnob );
hl->addWidget( m_reverbWidthKnob );
hl->addWidget( m_reverbLevelKnob );
vl->addLayout( hl );
*/
// Chorus
// hl = new QHBoxLayout();
m_chorusButton = new PixmapButton( this );
m_chorusButton->setCheckable( true );
m_chorusButton->move( 14, 226 );
m_chorusButton->setActiveGraphic( PLUGIN_NAME::getIconPixmap( "chorus_on" ) );
m_chorusButton->setInactiveGraphic( PLUGIN_NAME::getIconPixmap( "chorus_off" ) );
ToolTip::add( m_chorusButton, tr( "Apply chorus (if supported)" ) );
m_chorusNumKnob = new sf2Knob( this );
m_chorusNumKnob->setHintText( tr("Voices:"), "" );
m_chorusNumKnob->move( 93, 206 );
m_chorusLevelKnob = new sf2Knob( this );
m_chorusLevelKnob->setHintText( tr("Level:"), "" );
m_chorusLevelKnob->move( 130 , 206 );
m_chorusSpeedKnob = new sf2Knob( this );
m_chorusSpeedKnob->setHintText( tr("Speed:"), "" );
m_chorusSpeedKnob->move( 167 , 206 );
m_chorusDepthKnob = new sf2Knob( this );
m_chorusDepthKnob->setHintText( tr("Depth:"), "" );
m_chorusDepthKnob->move( 204 , 206 );
/*
hl->addWidget( m_chorusOnLed );
hl->addWidget( m_chorusNumKnob);
hl->addWidget( m_chorusLevelKnob);
hl->addWidget( m_chorusSpeedKnob);
hl->addWidget( m_chorusDepthKnob);