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slackbuilds_ponce/audio/lmms/02-stutter_audio.patch
Zbigniew Baniewski d1effc47df audio/lmms: Use an improved version of 02-stutter_audio.patch 
Signed-off-by: Robby Workman <rworkman@slackbuilds.org>
2013-07-07 09:11:28 -03:00

253 lines
7.7 KiB
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diff -Nur lmms-0.4.15/include/sample_buffer.h lmms-0.4.15.new/include/sample_buffer.h
--- lmms-0.4.15/include/sample_buffer.h 2013-07-02 13:44:59.699599386 +0000
+++ lmms-0.4.15.new/include/sample_buffer.h 2013-07-02 02:13:32.000000000 +0000
@@ -51,6 +51,15 @@
public:
handleState( bool _varying_pitch = false );
virtual ~handleState();
+ inline const f_cnt_t frameIndex() const
+ {
+ return m_frameIndex;
+ }
+
+ inline void setFrameIndex( f_cnt_t _index )
+ {
+ m_frameIndex = _index;
+ }
private:
diff -Nur lmms-0.4.15/plugins/audio_file_processor/audio_file_processor.cpp lmms-0.4.15.new/plugins/audio_file_processor/audio_file_processor.cpp
--- lmms-0.4.15/plugins/audio_file_processor/audio_file_processor.cpp 2013-07-02 13:44:59.686266104 +0000
+++ lmms-0.4.15.new/plugins/audio_file_processor/audio_file_processor.cpp 2013-07-02 02:13:40.000000000 +0000
@@ -75,7 +75,9 @@
m_startPointModel( 0, 0, 1, 0.0000001f, this, tr( "Start of sample") ),
m_endPointModel( 1, 0, 1, 0.0000001f, this, tr( "End of sample" ) ),
m_reverseModel( false, this, tr( "Reverse sample" ) ),
- m_loopModel( false, this, tr( "Loop") )
+ m_loopModel( false, this, tr( "Loop") ),
+ m_stutterModel( false, this, tr( "Stutter" ) ),
+ m_nextPlayStartPoint( 0 )
{
connect( &m_reverseModel, SIGNAL( dataChanged() ),
this, SLOT( reverseModelChanged() ) );
@@ -85,6 +87,8 @@
this, SLOT( loopPointChanged() ) );
connect( &m_endPointModel, SIGNAL( dataChanged() ),
this, SLOT( loopPointChanged() ) );
+ connect( &m_stutterModel, SIGNAL( dataChanged() ),
+ this, SLOT( stutterModelChanged() ) );
}
@@ -102,10 +106,27 @@
{
const fpp_t frames = _n->framesLeftForCurrentPeriod();
+ // Magic key - a frequency < 20 (say, the bottom piano note if using
+ // a A4 base tuning) restarts the start point. The note is not actually
+ // played.
+ if( m_stutterModel.value() == true && _n->frequency() < 20.0 )
+ {
+ m_nextPlayStartPoint = m_sampleBuffer.startFrame();
+ return;
+ }
+
if( !_n->m_pluginData )
{
+ if( m_stutterModel.value() == true && m_nextPlayStartPoint >= m_sampleBuffer.endFrame() )
+ {
+ // Restart playing the note if in stutter mode, not in loop mode,
+ // and we're at the end of the sample.
+ m_nextPlayStartPoint = m_sampleBuffer.startFrame();
+ }
_n->m_pluginData = new handleState( _n->hasDetuningInfo() );
+ ((handleState *)_n->m_pluginData)->setFrameIndex(m_nextPlayStartPoint);
}
+
if( m_sampleBuffer.play( _working_buffer,
(handleState *)_n->m_pluginData,
@@ -115,12 +136,25 @@
applyRelease( _working_buffer, _n );
instrumentTrack()->processAudioBuffer( _working_buffer,
frames,_n );
- emit isPlaying( _n->totalFramesPlayed() * _n->frequency() / m_sampleBuffer.frequency() );
+ int framesPosition;
+ if( m_stutterModel.value() == true )
+ {
+ framesPosition = m_nextPlayStartPoint;
+ }
+ else
+ {
+ framesPosition = _n->totalFramesPlayed() * _n->frequency() / m_sampleBuffer.frequency();
+ }
+ emit isPlaying( framesPosition );
}
else
{
emit isPlaying( 0 );
}
+ if( m_stutterModel.value() == true )
+ {
+ m_nextPlayStartPoint = ((handleState *)_n->m_pluginData)->frameIndex();
+ }
}
@@ -249,6 +283,10 @@
}
+void audioFileProcessor::stutterModelChanged()
+{
+ m_nextPlayStartPoint = m_sampleBuffer.startFrame();
+}
void audioFileProcessor::loopPointChanged( void )
@@ -257,6 +295,7 @@
( m_sampleBuffer.frames()-1 ) );
const f_cnt_t f2 = static_cast<f_cnt_t>( m_endPointModel.value() *
( m_sampleBuffer.frames()-1 ) );
+ m_nextPlayStartPoint = f1;
m_sampleBuffer.setStartFrame( qMin<f_cnt_t>( f1, f2 ) );
m_sampleBuffer.setEndFrame( qMax<f_cnt_t>( f1, f2 ) );
emit dataChanged();
@@ -298,7 +337,7 @@
m_reverseButton = new pixmapButton( this );
m_reverseButton->setCheckable( TRUE );
- m_reverseButton->move( 184, 124 );
+ m_reverseButton->move( 176, 124 ); // 184
m_reverseButton->setActiveGraphic( PLUGIN_NAME::getIconPixmap(
"reverse_on" ) );
m_reverseButton->setInactiveGraphic( PLUGIN_NAME::getIconPixmap(
@@ -311,7 +350,7 @@
m_loopButton = new pixmapButton( this );
m_loopButton->setCheckable( TRUE );
- m_loopButton->move( 220, 124 );
+ m_loopButton->move( 202, 124 ); // 220
m_loopButton->setActiveGraphic( PLUGIN_NAME::getIconPixmap(
"loop_on" ) );
m_loopButton->setInactiveGraphic( PLUGIN_NAME::getIconPixmap(
@@ -325,6 +364,23 @@
"This is useful for things like string and choir "
"samples." ) );
+ m_stutterButton = new pixmapButton( this );
+ m_stutterButton->setCheckable( true );
+ m_stutterButton->move( 228, 124 );
+ m_stutterButton->setActiveGraphic( PLUGIN_NAME::getIconPixmap(
+ "stutter_on" ) );
+ m_stutterButton->setInactiveGraphic( PLUGIN_NAME::getIconPixmap(
+ "stutter_off" ) );
+ toolTip::add( m_stutterButton,
+ tr( "Continue sample playback across notes" ) );
+ m_stutterButton->setWhatsThis(
+ tr( "Enabling this option makes the sample continue playing "
+ "across different notes - if you change pitch, or the note "
+ "length stops before the end of the sample, then the next "
+ "note played will continue where it left off. To reset the "
+ "playback to the start of the sample, insert a note at the bottom "
+ "of the keyboard (< 20 Hz)") );
+
m_ampKnob = new knob( knobStyled, this );
m_ampKnob->setVolumeKnob( TRUE );
m_ampKnob->move( 17, 108 );
@@ -504,6 +560,7 @@
m_endKnob->setModel( &a->m_endPointModel );
m_reverseButton->setModel( &a->m_reverseModel );
m_loopButton->setModel( &a->m_loopModel );
+ m_stutterButton->setModel( &a->m_stutterModel );
sampleUpdated();
}
@@ -522,8 +579,7 @@
m_endKnob( 0 ),
m_isDragging( false ),
m_reversed( false ),
- m_framesPlayed( 0 ),
- m_animation(configManager::inst()->value("ui", "animateafp").toInt())
+ m_framesPlayed( 0 )
{
setFixedSize( _w, _h );
setMouseTracking( true );
@@ -546,11 +602,13 @@
const f_cnt_t nb_frames = m_sampleBuffer.endFrame() - m_sampleBuffer.startFrame();
if( nb_frames < 1 )
{
+/* MCA */printf("reset framesPlayed to 0\n");
m_framesPlayed = 0;
}
else
{
m_framesPlayed = _frames_played % nb_frames;
+/* MCA */printf("isPlaying: framesPlayed = %d\n", m_framesPlayed);
}
update();
}
@@ -702,7 +760,7 @@
QColor( 255, 255, 0, 70 )
);
- if( m_framesPlayed && m_animation)
+ if( m_framesPlayed )
{
const int played_width_px = m_framesPlayed
/ double( m_sampleBuffer.endFrame() - m_sampleBuffer.startFrame() )
@@ -933,12 +991,8 @@
return;
}
const double v = double( _frames ) / m_sampleBuffer.frames();
- if(m_startKnob) {
- m_startKnob->slideBy( v, false );
- }
- if(m_endKnob) {
- m_endKnob->slideBy( v, false );
- }
+ m_startKnob->slideBy( v, false );
+ m_endKnob->slideBy( v, false );
}
diff -Nur lmms-0.4.15/plugins/audio_file_processor/audio_file_processor.h lmms-0.4.15.new/plugins/audio_file_processor/audio_file_processor.h
--- lmms-0.4.15/plugins/audio_file_processor/audio_file_processor.h 2013-07-02 13:44:59.686266104 +0000
+++ lmms-0.4.15.new/plugins/audio_file_processor/audio_file_processor.h 2013-07-02 02:13:44.000000000 +0000
@@ -74,6 +74,7 @@
void reverseModelChanged();
void ampModelChanged();
void loopPointChanged();
+ void stutterModelChanged();
signals:
@@ -90,6 +91,10 @@
FloatModel m_endPointModel;
BoolModel m_reverseModel;
BoolModel m_loopModel;
+ BoolModel m_stutterModel;
+
+ f_cnt_t m_nextPlayStartPoint;
+
friend class AudioFileProcessorView;
@@ -131,6 +136,7 @@
pixmapButton * m_openAudioFileButton;
pixmapButton * m_reverseButton;
pixmapButton * m_loopButton;
+ pixmapButton * m_stutterButton;
} ;
@@ -234,7 +240,7 @@
draggingType m_draggingType;
bool m_reversed;
f_cnt_t m_framesPlayed;
- bool m_animation;
+
public:
AudioFileProcessorWaveView( QWidget * _parent, int _w, int _h, sampleBuffer & _buf );
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