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Cleanup directories.

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Running version of Dexed - now testing must begin.
pull/1/head
Holger Wirtz 8 years ago
parent 04c65a5da0
commit af19d28a2e
44 changed files with 25 additions and 3978 deletions
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  1. 4
      bin/dx7sysex2lv2
  2. 12
      dexed-test.sh
  3. 22
      lv2-examples/beep.lv2tools/Makefile
  4. 61
      lv2-examples/beep.lv2tools/beep.cpp
  5. 35
      lv2-examples/beep.lv2tools/beep.peg
  6. 49
      lv2-examples/beep.lv2tools/beep.ttl
  7. 49
      lv2-examples/beep.lv2tools/lv2pftci-beep.lv2/beep.ttl
  8. 5
      lv2-examples/beep.lv2tools/lv2pftci-beep.lv2/manifest.ttl
  9. 5
      lv2-examples/beep.lv2tools/manifest.ttl
  10. 22
      lv2-examples/beep/Makefile
  11. 91
      lv2-examples/beep/beep.cpp
  12. 35
      lv2-examples/beep/beep.peg
  13. 67
      lv2-examples/beep/beep.ttl
  14. 67
      lv2-examples/beep/lv2pftci-beep.lv2/beep.ttl
  15. 44
      lv2-examples/beep/lv2pftci-beep.lv2/manifest.ttl
  16. 44
      lv2-examples/beep/manifest.ttl
  17. 23
      lv2-examples/beep2.lv2tools/Makefile
  18. 95
      lv2-examples/beep2.lv2tools/beep.cpp
  19. 39
      lv2-examples/beep2.lv2tools/beep.peg
  20. 69
      lv2-examples/beep2.lv2tools/beep2.ttl
  21. 69
      lv2-examples/beep2.lv2tools/lv2pftci-beep2.lv2/beep2.ttl
  22. 5
      lv2-examples/beep2.lv2tools/lv2pftci-beep2.lv2/manifest.ttl
  23. 5
      lv2-examples/beep2.lv2tools/manifest.ttl
  24. 23
      lv2-examples/beep2/Makefile
  25. 94
      lv2-examples/beep2/beep.cpp
  26. 39
      lv2-examples/beep2/beep.peg
  27. 69
      lv2-examples/beep2/beep2.ttl
  28. 69
      lv2-examples/beep2/lv2pftci-beep2.lv2/beep2.ttl
  29. 5
      lv2-examples/beep2/lv2pftci-beep2.lv2/manifest.ttl
  30. 5
      lv2-examples/beep2/manifest.ttl
  31. 13
      lv2-examples/eg-sampler.lv2/README.txt
  32. 40
      lv2-examples/eg-sampler.lv2/atom_sink.h
  33. BIN
      lv2-examples/eg-sampler.lv2/click.wav
  34. 19
      lv2-examples/eg-sampler.lv2/manifest.ttl.in
  35. 552
      lv2-examples/eg-sampler.lv2/sampler.c
  36. 70
      lv2-examples/eg-sampler.lv2/sampler.ttl
  37. 254
      lv2-examples/eg-sampler.lv2/sampler_ui.c
  38. 139
      lv2-examples/eg-sampler.lv2/uris.h
  39. 1
      lv2-examples/eg-sampler.lv2/waf
  40. 83
      lv2-examples/eg-sampler.lv2/wscript
  41. 1536
      lv2/Dexed.ttl
  42. 26
      lv2/manifest.ttl
  43. 37
      src/dexed.cpp
  44. 10
      src/dexed.h

4
bin/dx7sysex2lv2
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@ -113,9 +113,9 @@ sub write_preset_header
print $deeaxe_voice " ] , [\n"; print $deeaxe_voice " ] , [\n";
print_lv2_port("output","1.0"); print_lv2_port("output","1.0");
print $deeaxe_voice " ] , [\n"; print $deeaxe_voice " ] , [\n";
print_lv2_port("engine","2.0"); print_lv2_port("engine","2");
print $deeaxe_voice " ] , [\n"; print $deeaxe_voice " ] , [\n";
print_lv2_port("unisono","0.0"); print_lv2_port("unisono","0");
} }
sub write_manifest sub write_manifest

12
dexed-test.sh
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@ -1,12 +0,0 @@
#!/bin/sh
export LV2_PATH="/usr/local/lib/lv2"
jackd --silent -r -d dummy &
mod-host -i <<ENDOFDATA
add https://github.com/dcoredump/dexed.lv2 0
add http://gareus.org/oss/lv2/stepseq#s8n8 1
connect effect_1:midiout effect_0:midi_in
connect effect_0:lv2_audio_out_1 system:playback_1
connect effect_0:lv2_audio_out_1 system:playback_2
param_set 1 grid_1_1 1
param_set 1 grid_2_3 1
ENDOFDADA

22
lv2-examples/beep.lv2tools/Makefile
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@ -1,22 +0,0 @@
BUNDLE = lv2pftci-beep.lv2
INSTALL_DIR = /home/pi/zynthian/zynthian-plugins/mod-lv2
$(BUNDLE): manifest.ttl beep.ttl beep.so
rm -rf $(BUNDLE)
mkdir $(BUNDLE)
cp $^ $(BUNDLE)
beep.so: beep.cpp beep.peg
g++ -shared -fPIC -DPIC beep.cpp `pkg-config --cflags --libs lv2-plugin` -o beep.so
beep.peg: beep.ttl
lv2peg beep.ttl beep.peg
install: $(BUNDLE)
mkdir -p $(INSTALL_DIR)
rm -rf $(INSTALL_DIR)/$(BUNDLE)
cp -R $(BUNDLE) $(INSTALL_DIR)
clean:
rm -rf $(BUNDLE) beep.so beep.peg

61
lv2-examples/beep.lv2tools/beep.cpp
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@ -1,61 +0,0 @@
// from: http://ll-plugins.nongnu.org/lv2pftci/#A_synth
#include <lv2synth.hpp>
#include "beep.peg"
class BeepVoice : public LV2::Voice {
public:
BeepVoice(double rate)
: m_key(LV2::INVALID_KEY), m_rate(rate), m_period(10), m_counter(0) {
}
void on(unsigned char key, unsigned char velocity) {
m_key = key;
m_period = m_rate * 4.0 / LV2::key2hz(m_key);
}
void off(unsigned char velocity) {
m_key = LV2::INVALID_KEY;
}
unsigned char get_key() const {
return m_key;
}
void render(uint32_t from, uint32_t to) {
if (m_key == LV2::INVALID_KEY)
return;
for (uint32_t i = from; i < to; ++i) {
float s = -0.25 + 0.5 * (m_counter > m_period / 2);
m_counter = (m_counter + 1) % m_period;
p(p_left)[i] += s;
p(p_right)[i] += s;
}
}
protected:
unsigned char m_key;
double m_rate;
uint32_t m_period;
uint32_t m_counter;
};
class Beep : public LV2::Synth<BeepVoice, Beep> {
public:
Beep(double rate)
: LV2::Synth<BeepVoice, Beep>(p_n_ports, p_midi) {
add_voices(new BeepVoice(rate), new BeepVoice(rate), new BeepVoice(rate));
add_audio_outputs(p_left, p_right);
}
};
static int _ = Beep::register_class(p_uri);

35
lv2-examples/beep.lv2tools/beep.peg
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@ -1,35 +0,0 @@
#ifndef beep_peg
#define beep_peg
#ifndef PEG_STRUCT
#define PEG_STRUCT
typedef struct {
float min;
float max;
float default_value;
char toggled;
char integer;
char logarithmic;
} peg_data_t;
#endif
/* <http://ll-plugins.nongnu.org/lv2/lv2pftci/beep> */
static const char p_uri[] = "http://ll-plugins.nongnu.org/lv2/lv2pftci/beep";
enum p_port_enum {
p_midi,
p_left,
p_right,
p_n_ports
};
static const peg_data_t p_ports[] = {
{ -3.40282e+38, 3.40282e+38, -3.40282e+38, 0, 0, 0 },
{ -3.40282e+38, 3.40282e+38, -3.40282e+38, 0, 0, 0 },
{ -3.40282e+38, 3.40282e+38, -3.40282e+38, 0, 0, 0 },
};
#endif /* beep_peg */

49
lv2-examples/beep.lv2tools/beep.ttl
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@ -1,49 +0,0 @@
@prefix lv2: <http://lv2plug.in/ns/lv2core#>.
@prefix doap: <http://usefulinc.com/ns/doap#>.
@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>.
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#>.
@prefix ll: <http://ll-plugins.nongnu.org/lv2/namespace#>.
@prefix pg: <http://ll-plugins.nongnu.org/lv2/ext/portgroups#>.
@prefix ev: <http://lv2plug.in/ns/ext/event#>.
@prefix atom: <http://lv2plug.in/ns/ext/atom#> .
<http://ll-plugins.nongnu.org/lv2/lv2pftci/beep/out> a pg:StereoGroup.
<http://ll-plugins.nongnu.org/lv2/lv2pftci/beep>
a lv2:Plugin, lv2:InstrumentPlugin;
lv2:binary <beep.so>;
doap:name "Beep";
doap:license <http://usefulinc.com/doap/licenses/gpl>;
ll:pegName "p";
lv2:port [
a lv2:InputPort, atom:AtomPort ;
atom:bufferType atom:Sequence ;
atom:supports <http://lv2plug.in/ns/ext/midi#MidiEvent> ;
lv2:index 0;
ev:supportsEvent <http://lv2plug.in/ns/ext/midi#MidiEvent>;
lv2:symbol "midi";
lv2:name "MIDI";
],
[
a lv2:AudioPort, lv2:OutputPort;
lv2:index 1;
lv2:symbol "left";
lv2:name "Left";
pg:membership [
pg:group <http://ll-plugins.nongnu.org/lv2/lv2pftci/beep/out>;
pg:role pg:leftChannel;
];
],
[
a lv2:AudioPort, lv2:OutputPort;
lv2:index 2;
lv2:symbol "right";
lv2:name "Right";
pg:membership [
pg:group <http://ll-plugins.nongnu.org/lv2/lv2pftci/beep/out>;
pg:role pg:rightChannel;
];
].

49
lv2-examples/beep.lv2tools/lv2pftci-beep.lv2/beep.ttl
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@ -1,49 +0,0 @@
@prefix lv2: <http://lv2plug.in/ns/lv2core#>.
@prefix doap: <http://usefulinc.com/ns/doap#>.
@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>.
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#>.
@prefix ll: <http://ll-plugins.nongnu.org/lv2/namespace#>.
@prefix pg: <http://ll-plugins.nongnu.org/lv2/ext/portgroups#>.
@prefix ev: <http://lv2plug.in/ns/ext/event#>.
@prefix atom: <http://lv2plug.in/ns/ext/atom#> .
<http://ll-plugins.nongnu.org/lv2/lv2pftci/beep/out> a pg:StereoGroup.
<http://ll-plugins.nongnu.org/lv2/lv2pftci/beep>
a lv2:Plugin, lv2:InstrumentPlugin;
lv2:binary <beep.so>;
doap:name "Beep";
doap:license <http://usefulinc.com/doap/licenses/gpl>;
ll:pegName "p";
lv2:port [
a lv2:InputPort, atom:AtomPort ;
atom:bufferType atom:Sequence ;
atom:supports <http://lv2plug.in/ns/ext/midi#MidiEvent> ;
lv2:index 0;
ev:supportsEvent <http://lv2plug.in/ns/ext/midi#MidiEvent>;
lv2:symbol "midi";
lv2:name "MIDI";
],
[
a lv2:AudioPort, lv2:OutputPort;
lv2:index 1;
lv2:symbol "left";
lv2:name "Left";
pg:membership [
pg:group <http://ll-plugins.nongnu.org/lv2/lv2pftci/beep/out>;
pg:role pg:leftChannel;
];
],
[
a lv2:AudioPort, lv2:OutputPort;
lv2:index 2;
lv2:symbol "right";
lv2:name "Right";
pg:membership [
pg:group <http://ll-plugins.nongnu.org/lv2/lv2pftci/beep/out>;
pg:role pg:rightChannel;
];
].

5
lv2-examples/beep.lv2tools/lv2pftci-beep.lv2/manifest.ttl
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@ -1,5 +0,0 @@
@prefix lv2: <http://lv2plug.in/ns/lv2core#>.
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#>.
<http://ll-plugins.nongnu.org/lv2/lv2pftci/beep>
a lv2:Plugin;
rdfs:seeAlso <beep.ttl>.

5
lv2-examples/beep.lv2tools/manifest.ttl
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@ -1,5 +0,0 @@
@prefix lv2: <http://lv2plug.in/ns/lv2core#>.
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#>.
<http://ll-plugins.nongnu.org/lv2/lv2pftci/beep>
a lv2:Plugin;
rdfs:seeAlso <beep.ttl>.

22
lv2-examples/beep/Makefile
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@ -1,22 +0,0 @@
BUNDLE = lv2pftci-beep.lv2
INSTALL_DIR = /home/pi/zynthian/zynthian-plugins/mod-lv2
$(BUNDLE): manifest.ttl beep.ttl beep.so
rm -rf $(BUNDLE)
mkdir $(BUNDLE)
cp $^ $(BUNDLE)
beep.so: beep.cpp beep.peg
g++ -shared -fPIC -DPIC beep.cpp -I. -I/usr/local/include/lvtk-2 -L/usr/local/lib -llvtk_plugin2 -o beep.so
beep.peg: beep.ttl
lv2peg beep.ttl beep.peg
install: $(BUNDLE)
mkdir -p $(INSTALL_DIR)
rm -rf $(INSTALL_DIR)/$(BUNDLE)
cp -R $(BUNDLE) $(INSTALL_DIR)
clean:
rm -rf $(BUNDLE) beep.so beep.peg

91
lv2-examples/beep/beep.cpp
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@ -1,91 +0,0 @@
/*
beep.cpp - LV2 Toolkit API Demonstration Plugin
Copyright (C) 2004-2010 Lars Luthman
Updated for LVTK by Michael Fisher <mfisher31@gmail.com>
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; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
/** @file beep.cpp */
#include <lvtk/synth.hpp>
#include "beep.peg"
class BeepVoice : public lvtk::Voice
{
public:
BeepVoice (double rate)
: m_key(lvtk::INVALID_KEY), m_rate(rate), m_period(10), m_counter(0)
{ }
void
on (unsigned char key, unsigned char velocity)
{
m_key = key;
m_period = m_rate * 4.0 / lvtk::key2hz(m_key);
}
void
off (unsigned char velocity)
{
m_key = lvtk::INVALID_KEY;
}
unsigned char
get_key() const
{
return m_key;
}
void
render(uint32_t from, uint32_t to)
{
if (m_key == lvtk::INVALID_KEY) return;
for (uint32_t i = from; i < to; ++i)
{
float s = -0.25 + 0.5 * (m_counter > m_period / 2);
m_counter = (m_counter + 1) % m_period;
p(p_left)[i] += s;
p(p_right)[i] += s;
}
}
protected:
unsigned char m_key;
double m_rate;
uint32_t m_period;
uint32_t m_counter;
};
class Beep : public lvtk::Synth<BeepVoice, Beep>
{
public:
Beep (double rate) : lvtk::Synth<BeepVoice, Beep> (p_n_ports, p_midi)
{
add_voices (new BeepVoice(rate), new BeepVoice(rate), new BeepVoice(rate));
add_audio_outputs (p_left, p_right);
}
};
static int _ = Beep::register_class(p_uri);

35
lv2-examples/beep/beep.peg
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@ -1,35 +0,0 @@
#ifndef beep_peg
#define beep_peg
#ifndef PEG_STRUCT
#define PEG_STRUCT
typedef struct {
float min;
float max;
float default_value;
char toggled;
char integer;
char logarithmic;
} peg_data_t;
#endif
/* <http://ll-plugins.nongnu.org/lv2/lv2pftci/beep> */
static const char p_uri[] = "http://ll-plugins.nongnu.org/lv2/lv2pftci/beep";
enum p_port_enum {
p_midi,
p_left,
p_right,
p_n_ports
};
static const peg_data_t p_ports[] = {
{ -3.40282e+38, 3.40282e+38, -3.40282e+38, 0, 0, 0 },
{ -3.40282e+38, 3.40282e+38, -3.40282e+38, 0, 0, 0 },
{ -3.40282e+38, 3.40282e+38, -3.40282e+38, 0, 0, 0 },
};
#endif /* beep_peg */

67
lv2-examples/beep/beep.ttl
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@ -1,67 +0,0 @@
# Copyright (C) 2004-2010 Lars Luthman
# Updated for LVTK by Michael Fisher <mfisher31@gmail.com>
#
# 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; if not, write to the Free Software
# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
@prefix lv2: <http://lv2plug.in/ns/lv2core#>.
@prefix atom: <http://lv2plug.in/ns/ext/atom#> .
@prefix doap: <http://usefulinc.com/ns/doap#>.
@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>.
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#>.
@prefix ll: <http://ll-plugins.nongnu.org/lv2/namespace#>.
@prefix pg: <http://ll-plugins.nongnu.org/lv2/ext/portgroups#>.
@prefix ev: <http://lv2plug.in/ns/ext/event#>.
@prefix ui: <http://lv2plug.in/ns/extensions/ui#> .
@prefix lvtkp: <http://lvtoolkit.org/plugins/> .
<http://ll-plugins.nongnu.org/lv2/lv2pftci/beep/out> a pg:StereoGroup.
<http://ll-plugins.nongnu.org/lv2/lv2pftci/beep>
a lv2:Plugin, lv2:InstrumentPlugin ;
doap:name "Beep" ;
lv2:project lvtkp: ;
doap:license <http://usefulinc.com/doap/licenses/gpl> ;
ui:ui <http://ll-plugins.nongnu.org/lv2/lv2pftci/beep/gui> ;
ll:pegName "p" ;
lv2:port [
a atom:AtomPort , lv2:InputPort ;
lv2:index 0;
lv2:symbol "midi";
lv2:name "MIDI";
atom:bufferType atom:Sequence ;
atom:supports <http://lv2plug.in/ns/ext/midi#MidiEvent> ;
] , [
a lv2:AudioPort
, lv2:OutputPort ;
lv2:index 1 ;
lv2:symbol "left" ;
lv2:name "Left" ;
pg:membership [
pg:group <http://ll-plugins.nongnu.org/lv2/lv2pftci/beep/out>;
pg:role pg:leftChannel;
];
] , [
a lv2:AudioPort ,
lv2:OutputPort ;
lv2:index 2 ;
lv2:symbol "right" ;
lv2:name "Right" ;
pg:membership [
pg:group <http://ll-plugins.nongnu.org/lv2/lv2pftci/beep/out> ;
pg:role pg:rightChannel ;
] ;
] .

67
lv2-examples/beep/lv2pftci-beep.lv2/beep.ttl
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@ -1,67 +0,0 @@
# Copyright (C) 2004-2010 Lars Luthman
# Updated for LVTK by Michael Fisher <mfisher31@gmail.com>
#
# 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; if not, write to the Free Software
# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
@prefix lv2: <http://lv2plug.in/ns/lv2core#>.
@prefix atom: <http://lv2plug.in/ns/ext/atom#> .
@prefix doap: <http://usefulinc.com/ns/doap#>.
@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>.
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#>.
@prefix ll: <http://ll-plugins.nongnu.org/lv2/namespace#>.
@prefix pg: <http://ll-plugins.nongnu.org/lv2/ext/portgroups#>.
@prefix ev: <http://lv2plug.in/ns/ext/event#>.
@prefix ui: <http://lv2plug.in/ns/extensions/ui#> .
@prefix lvtkp: <http://lvtoolkit.org/plugins/> .
<http://ll-plugins.nongnu.org/lv2/lv2pftci/beep/out> a pg:StereoGroup.
<http://ll-plugins.nongnu.org/lv2/lv2pftci/beep>
a lv2:Plugin, lv2:InstrumentPlugin ;
doap:name "Beep" ;
lv2:project lvtkp: ;
doap:license <http://usefulinc.com/doap/licenses/gpl> ;
ui:ui <http://ll-plugins.nongnu.org/lv2/lv2pftci/beep/gui> ;
ll:pegName "p" ;
lv2:port [
a atom:AtomPort , lv2:InputPort ;
lv2:index 0;
lv2:symbol "midi";
lv2:name "MIDI";
atom:bufferType atom:Sequence ;
atom:supports <http://lv2plug.in/ns/ext/midi#MidiEvent> ;
] , [
a lv2:AudioPort
, lv2:OutputPort ;
lv2:index 1 ;
lv2:symbol "left" ;
lv2:name "Left" ;
pg:membership [
pg:group <http://ll-plugins.nongnu.org/lv2/lv2pftci/beep/out>;
pg:role pg:leftChannel;
];
] , [
a lv2:AudioPort ,
lv2:OutputPort ;
lv2:index 2 ;
lv2:symbol "right" ;
lv2:name "Right" ;
pg:membership [
pg:group <http://ll-plugins.nongnu.org/lv2/lv2pftci/beep/out> ;
pg:role pg:rightChannel ;
] ;
] .

44
lv2-examples/beep/lv2pftci-beep.lv2/manifest.ttl
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@ -1,44 +0,0 @@
# Copyright (C) 2013 Michael Fisher <mfisher31@gmail.com>
#
# 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; if not, write to the Free Software
# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
@prefix doap: <http://usefulinc.com/ns/doap#> .
@prefix foaf: <http://xmlns.com/foaf/0.1/> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix lv2: <http://lv2plug.in/ns/lv2core#> .
@prefix lvtkp: <http://lvtoolkit.org/plugins/> .
@prefix ui: <http://lv2plug.in/ns/extensions/ui#> .
<http://lvtoolkit.org/people/mfisher>
a foaf:Person ;
foaf:name "Michael Fisher" ;
foaf:mbox <mailto:mfisher31@gmail.com> ;
rdfs:seeAlso <http://lvtoolkit.org> .
lvtkp:
a doap:Project ;
lv2:symbol "lvtk" ;
doap:name "LVTK Examples" ;
doap:shortdesc "Example plugins demonstrating the LVTK api." ;
doap:homepage <http://lvtoolkit.org> ;
doap:maintainer <http://lvtoolkit.org/people/mfisher> ;
doap:developer <http://lvtoolkit.org/people/mfisher> .
<http://ll-plugins.nongnu.org/lv2/lv2pftci/beep>
a lv2:Plugin ;
lv2:binary <beep.so> ;
rdfs:seeAlso <beep.ttl> .

44
lv2-examples/beep/manifest.ttl
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@ -1,44 +0,0 @@
# Copyright (C) 2013 Michael Fisher <mfisher31@gmail.com>
#
# 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; if not, write to the Free Software
# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
@prefix doap: <http://usefulinc.com/ns/doap#> .
@prefix foaf: <http://xmlns.com/foaf/0.1/> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix lv2: <http://lv2plug.in/ns/lv2core#> .
@prefix lvtkp: <http://lvtoolkit.org/plugins/> .
@prefix ui: <http://lv2plug.in/ns/extensions/ui#> .
<http://lvtoolkit.org/people/mfisher>
a foaf:Person ;
foaf:name "Michael Fisher" ;
foaf:mbox <mailto:mfisher31@gmail.com> ;
rdfs:seeAlso <http://lvtoolkit.org> .
lvtkp:
a doap:Project ;
lv2:symbol "lvtk" ;
doap:name "LVTK Examples" ;
doap:shortdesc "Example plugins demonstrating the LVTK api." ;
doap:homepage <http://lvtoolkit.org> ;
doap:maintainer <http://lvtoolkit.org/people/mfisher> ;
doap:developer <http://lvtoolkit.org/people/mfisher> .
<http://ll-plugins.nongnu.org/lv2/lv2pftci/beep>
a lv2:Plugin ;
lv2:binary <beep.so> ;
rdfs:seeAlso <beep.ttl> .

23
lv2-examples/beep2.lv2tools/Makefile
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BUNDLE = lv2pftci-beep2.lv2
INSTALL_DIR = /home/pi/zynthian/zynthian-plugins/mod-lv2
$(BUNDLE): manifest.ttl beep2.ttl beep2.so
rm -rf $(BUNDLE)
mkdir $(BUNDLE)
cp $^ $(BUNDLE)
beep2.so: beep.cpp beep.peg
g++ -shared -fPIC -DPIC beep.cpp `pkg-config --cflags --libs lv2-plugin` -o beep2.so
beep.peg: beep2.ttl
lv2peg beep2.ttl beep.peg
install: $(BUNDLE)
mkdir -p $(INSTALL_DIR)
rm -rf $(INSTALL_DIR)/$(BUNDLE)
cp -R $(BUNDLE) $(INSTALL_DIR)
clean:
rm -rf $(BUNDLE) beep2.so beep.peg

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lv2-examples/beep2.lv2tools/beep.cpp
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// from: http://ll-plugins.nongnu.org/lv2pftci/#A_synth
#include <lv2synth.hpp>
#include "beep.peg"
#include <cstdlib>
class BeepVoice : public LV2::Voice {
public:
BeepVoice(double rate)
: m_key(LV2::INVALID_KEY), m_rate(rate), m_period(10), m_counter(0) {
}
void on(unsigned char key, unsigned char velocity) {
m_key = key;
m_period = m_rate * 4.0 / LV2::key2hz(m_key);
m_pos = std::rand() / float(RAND_MAX);
m_envelope = velocity / 128.0;
}
void off(unsigned char velocity) {
m_key = LV2::INVALID_KEY;
}
unsigned char get_key() const {
return m_key;
}
void render(uint32_t from, uint32_t to) {
if (m_key == LV2::INVALID_KEY)
return;
for (uint32_t i = from; i < to; ++i) {
float pwm = *p(p_pwm) + (1 - *p(p_pwm)) * m_envelope;
float s = -0.25 + 0.5 * (m_counter > m_period * (1 + pwm) / 2);
m_counter = (m_counter + 1) % m_period;
p(p_left)[i] += (1 - m_pos) * s;
p(p_right)[i] += m_pos * s;
if (m_envelope > 0)
m_envelope -= 0.5 / m_rate;
}
}
protected:
unsigned char m_key;
double m_rate;
uint32_t m_period;
uint32_t m_counter;
float m_pos;
float m_envelope;
};
class Beep : public LV2::Synth<BeepVoice, Beep> {
public:
Beep(double rate)
: LV2::Synth<BeepVoice, Beep>(p_n_ports, p_midi),
m_buf_pos(0), m_delay(rate / 3),
m_l_buffer(new float[m_delay]), m_r_buffer(new float[m_delay]) {
add_voices(new BeepVoice(rate), new BeepVoice(rate), new BeepVoice(rate));
add_audio_outputs(p_left, p_right);
for (unsigned i = 0; i < m_delay; ++i) {
m_l_buffer[i] = 0;
m_r_buffer[i] = 0;
}
}
void post_process(uint32_t from, uint32_t to) {
for (uint32_t i = from; i < to; ++i) {
float mono = (p(p_left)[i] + p(p_right)[i]) / 2;
p(p_left)[i] += m_l_buffer[m_buf_pos];
p(p_right)[i] += m_r_buffer[m_buf_pos];
float tmp = m_l_buffer[m_buf_pos];
m_l_buffer[m_buf_pos] = 0.6 * (mono + m_r_buffer[m_buf_pos]);
m_r_buffer[m_buf_pos] = 0.6 * tmp;
m_buf_pos = (m_buf_pos + 1) % m_delay;
p(p_left)[i] *= *p(p_gain);
p(p_right)[i] *= *p(p_gain);
}
}
protected:
unsigned m_buf_pos;
unsigned m_delay;
float* m_l_buffer;
float* m_r_buffer;
};
static int _ = Beep::register_class(p_uri);

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lv2-examples/beep2.lv2tools/beep.peg
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#ifndef beep_peg
#define beep_peg
#ifndef PEG_STRUCT
#define PEG_STRUCT
typedef struct {
float min;
float max;
float default_value;
char toggled;
char integer;
char logarithmic;
} peg_data_t;
#endif
/* <http://ll-plugins.nongnu.org/lv2/lv2pftci/beep2> */
static const char p_uri[] = "http://ll-plugins.nongnu.org/lv2/lv2pftci/beep2";
enum p_port_enum {
p_midi,
p_left,
p_right,
p_pwm,
p_gain,
p_n_ports
};
static const peg_data_t p_ports[] = {
{ -3.40282e+38, 3.40282e+38, -3.40282e+38, 0, 0, 0 },
{ -3.40282e+38, 3.40282e+38, -3.40282e+38, 0, 0, 0 },
{ -3.40282e+38, 3.40282e+38, -3.40282e+38, 0, 0, 0 },
{ 0, 1, 0.5, 0, 0, 0 },
{ 0, 2, 1, 0, 0, 0 },
};
#endif /* beep_peg */

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lv2-examples/beep2.lv2tools/beep2.ttl
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@prefix lv2: <http://lv2plug.in/ns/lv2core#>.
@prefix doap: <http://usefulinc.com/ns/doap#>.
@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>.
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#>.
@prefix ll: <http://ll-plugins.nongnu.org/lv2/namespace#>.
@prefix pg: <http://ll-plugins.nongnu.org/lv2/ext/portgroups#>.
@prefix ev: <http://lv2plug.in/ns/ext/event#>.
@prefix atom: <http://lv2plug.in/ns/ext/atom#> .
<http://ll-plugins.nongnu.org/lv2/lv2pftci/beep2/out> a pg:StereoGroup.
<http://ll-plugins.nongnu.org/lv2/lv2pftci/beep2>
a lv2:Plugin, lv2:InstrumentPlugin;
lv2:binary <beep2.so>;
doap:name "Beep2";
doap:license <http://usefulinc.com/doap/licenses/gpl>;
ll:pegName "p";
lv2:port [
a lv2:InputPort, atom:AtomPort ;
atom:bufferType atom:Sequence ;
atom:supports <http://lv2plug.in/ns/ext/midi#MidiEvent> ;
lv2:index 0;
ev:supportsEvent <http://lv2plug.in/ns/ext/midi#MidiEvent>;
lv2:symbol "midi";
lv2:name "MIDI";
],
[
a lv2:AudioPort, lv2:OutputPort;
lv2:index 1;
lv2:symbol "left";
lv2:name "Left";
pg:membership [
pg:group <http://ll-plugins.nongnu.org/lv2/lv2pftci/beep2/out>;
pg:role pg:leftChannel;
];
],
[
a lv2:AudioPort, lv2:OutputPort;
lv2:index 2;
lv2:symbol "right";
lv2:name "Right";
pg:membership [
pg:group <http://ll-plugins.nongnu.org/lv2/lv2pftci/beep2/out>;
pg:role pg:rightChannel;
];
],
[
a lv2:ControlPort, lv2:InputPort;
lv2:index 3;
lv2:symbol "pwm";
lv2:name "PWM";
lv2:minimum 0;
lv2:maximum 1;
lv2:default 0.5;
],
[
a lv2:ControlPort, lv2:InputPort;
lv2:index 4;
lv2:symbol "gain";
lv2:name "Gain";
lv2:minimum 0;
lv2:maximum 2;
lv2:default 1;
].

69
lv2-examples/beep2.lv2tools/lv2pftci-beep2.lv2/beep2.ttl
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@ -1,69 +0,0 @@
@prefix lv2: <http://lv2plug.in/ns/lv2core#>.
@prefix doap: <http://usefulinc.com/ns/doap#>.
@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>.
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#>.
@prefix ll: <http://ll-plugins.nongnu.org/lv2/namespace#>.
@prefix pg: <http://ll-plugins.nongnu.org/lv2/ext/portgroups#>.
@prefix ev: <http://lv2plug.in/ns/ext/event#>.
@prefix atom: <http://lv2plug.in/ns/ext/atom#> .
<http://ll-plugins.nongnu.org/lv2/lv2pftci/beep2/out> a pg:StereoGroup.
<http://ll-plugins.nongnu.org/lv2/lv2pftci/beep2>
a lv2:Plugin, lv2:InstrumentPlugin;
lv2:binary <beep2.so>;
doap:name "Beep2";
doap:license <http://usefulinc.com/doap/licenses/gpl>;
ll:pegName "p";
lv2:port [
a lv2:InputPort, atom:AtomPort ;
atom:bufferType atom:Sequence ;
atom:supports <http://lv2plug.in/ns/ext/midi#MidiEvent> ;
lv2:index 0;
ev:supportsEvent <http://lv2plug.in/ns/ext/midi#MidiEvent>;
lv2:symbol "midi";
lv2:name "MIDI";
],
[
a lv2:AudioPort, lv2:OutputPort;
lv2:index 1;
lv2:symbol "left";
lv2:name "Left";
pg:membership [
pg:group <http://ll-plugins.nongnu.org/lv2/lv2pftci/beep2/out>;
pg:role pg:leftChannel;
];
],
[
a lv2:AudioPort, lv2:OutputPort;
lv2:index 2;
lv2:symbol "right";
lv2:name "Right";
pg:membership [
pg:group <http://ll-plugins.nongnu.org/lv2/lv2pftci/beep2/out>;
pg:role pg:rightChannel;
];
],
[
a lv2:ControlPort, lv2:InputPort;
lv2:index 3;
lv2:symbol "pwm";
lv2:name "PWM";
lv2:minimum 0;
lv2:maximum 1;
lv2:default 0.5;
],
[
a lv2:ControlPort, lv2:InputPort;
lv2:index 4;
lv2:symbol "gain";
lv2:name "Gain";
lv2:minimum 0;
lv2:maximum 2;
lv2:default 1;
].

5
lv2-examples/beep2.lv2tools/lv2pftci-beep2.lv2/manifest.ttl
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@ -1,5 +0,0 @@
@prefix lv2: <http://lv2plug.in/ns/lv2core#>.
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#>.
<http://ll-plugins.nongnu.org/lv2/lv2pftci/beep2>
a lv2:Plugin;
rdfs:seeAlso <beep2.ttl>.

5
lv2-examples/beep2.lv2tools/manifest.ttl
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@ -1,5 +0,0 @@
@prefix lv2: <http://lv2plug.in/ns/lv2core#>.
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#>.
<http://ll-plugins.nongnu.org/lv2/lv2pftci/beep2>
a lv2:Plugin;
rdfs:seeAlso <beep2.ttl>.

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lv2-examples/beep2/Makefile
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BUNDLE = lv2pftci-beep2.lv2
INSTALL_DIR = /home/pi/zynthian/zynthian-plugins/mod-lv2
$(BUNDLE): manifest.ttl beep2.ttl beep2.so
rm -rf $(BUNDLE)
mkdir $(BUNDLE)
cp $^ $(BUNDLE)
beep2.so: beep.cpp beep.peg
g++ -shared -fPIC -DPIC beep.cpp -I. -I/usr/local/include/lvtk-2 -L/usr/local/lib -llvtk_plugin2 -o beep2.so
beep.peg: beep2.ttl
lv2peg beep2.ttl beep.peg
install: $(BUNDLE)
mkdir -p $(INSTALL_DIR)
rm -rf $(INSTALL_DIR)/$(BUNDLE)
cp -R $(BUNDLE) $(INSTALL_DIR)
clean:
rm -rf $(BUNDLE) beep2.so beep.peg

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lv2-examples/beep2/beep.cpp
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// from: http://ll-plugins.nongnu.org/lv2pftci/#A_synth
#include <lvtk/synth.hpp>
#include "beep.peg"
class BeepVoice : public lvtk::Voice {
public:
BeepVoice(double rate)
: m_key(lvtk::INVALID_KEY), m_rate(rate), m_period(10), m_counter(0) {
}
void on(unsigned char key, unsigned char velocity) {
m_key = key;
m_period = m_rate * 4.0 / lvtk::key2hz(m_key);
m_pos = std::rand() / float(RAND_MAX);
m_envelope = velocity / 128.0;
}
void off(unsigned char velocity) {
m_key = lvtk::INVALID_KEY;
}
unsigned char get_key() const {
return m_key;
}
void render(uint32_t from, uint32_t to) {
if (m_key == lvtk::INVALID_KEY)
return;
for (uint32_t i = from; i < to; ++i) {
float pwm = *p(p_pwm) + (1 - *p(p_pwm)) * m_envelope;
float s = -0.25 + 0.5 * (m_counter > m_period * (1 + pwm) / 2);
m_counter = (m_counter + 1) % m_period;
p(p_left)[i] += (1 - m_pos) * s;
p(p_right)[i] += m_pos * s;
if (m_envelope > 0)
m_envelope -= 0.5 / m_rate;
}
}
protected:
unsigned char m_key;
double m_rate;
uint32_t m_period;
uint32_t m_counter;
float m_pos;
float m_envelope;
};
class Beep : public lvtk::Synth<BeepVoice, Beep> {
public:
Beep(double rate)
: lvtk::Synth<BeepVoice, Beep>(p_n_ports, p_midi),
m_buf_pos(0), m_delay(rate / 3),
m_l_buffer(new float[m_delay]), m_r_buffer(new float[m_delay]) {
add_voices(new BeepVoice(rate), new BeepVoice(rate), new BeepVoice(rate));
add_audio_outputs(p_left, p_right);
for (unsigned i = 0; i < m_delay; ++i) {
m_l_buffer[i] = 0;
m_r_buffer[i] = 0;
}
}
void post_process(uint32_t from, uint32_t to) {
for (uint32_t i = from; i < to; ++i) {
float mono = (p(p_left)[i] + p(p_right)[i]) / 2;
p(p_left)[i] += m_l_buffer[m_buf_pos];
p(p_right)[i] += m_r_buffer[m_buf_pos];
float tmp = m_l_buffer[m_buf_pos];
m_l_buffer[m_buf_pos] = 0.6 * (mono + m_r_buffer[m_buf_pos]);
m_r_buffer[m_buf_pos] = 0.6 * tmp;
m_buf_pos = (m_buf_pos + 1) % m_delay;
p(p_left)[i] *= *p(p_gain);
p(p_right)[i] *= *p(p_gain);
}
}
protected:
unsigned m_buf_pos;
unsigned m_delay;
float* m_l_buffer;
float* m_r_buffer;
};
static int _ = Beep::register_class(p_uri);

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lv2-examples/beep2/beep.peg
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#ifndef beep_peg
#define beep_peg
#ifndef PEG_STRUCT
#define PEG_STRUCT
typedef struct {
float min;
float max;
float default_value;
char toggled;
char integer;
char logarithmic;
} peg_data_t;
#endif
/* <http://ll-plugins.nongnu.org/lv2/lv2pftci/beep2> */
static const char p_uri[] = "http://ll-plugins.nongnu.org/lv2/lv2pftci/beep2";
enum p_port_enum {
p_midi,
p_left,
p_right,
p_pwm,
p_gain,
p_n_ports
};
static const peg_data_t p_ports[] = {
{ -3.40282e+38, 3.40282e+38, -3.40282e+38, 0, 0, 0 },
{ -3.40282e+38, 3.40282e+38, -3.40282e+38, 0, 0, 0 },
{ -3.40282e+38, 3.40282e+38, -3.40282e+38, 0, 0, 0 },
{ 0, 1, 0.5, 0, 0, 0 },
{ 0, 2, 1, 0, 0, 0 },
};
#endif /* beep_peg */

69
lv2-examples/beep2/beep2.ttl
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@prefix lv2: <http://lv2plug.in/ns/lv2core#>.
@prefix doap: <http://usefulinc.com/ns/doap#>.
@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>.
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#>.
@prefix ll: <http://ll-plugins.nongnu.org/lv2/namespace#>.
@prefix pg: <http://ll-plugins.nongnu.org/lv2/ext/portgroups#>.
@prefix ev: <http://lv2plug.in/ns/ext/event#>.
@prefix atom: <http://lv2plug.in/ns/ext/atom#> .
<http://ll-plugins.nongnu.org/lv2/lv2pftci/beep2/out> a pg:StereoGroup.
<http://ll-plugins.nongnu.org/lv2/lv2pftci/beep2>
a lv2:Plugin, lv2:InstrumentPlugin;
lv2:binary <beep2.so>;
doap:name "Beep2";
doap:license <http://usefulinc.com/doap/licenses/gpl>;
ll:pegName "p";
lv2:port [
a lv2:InputPort, atom:AtomPort ;
atom:bufferType atom:Sequence ;
atom:supports <http://lv2plug.in/ns/ext/midi#MidiEvent> ;
lv2:index 0;
ev:supportsEvent <http://lv2plug.in/ns/ext/midi#MidiEvent>;
lv2:symbol "midi";
lv2:name "MIDI";
],
[
a lv2:AudioPort, lv2:OutputPort;
lv2:index 1;
lv2:symbol "left";
lv2:name "Left";
pg:membership [
pg:group <http://ll-plugins.nongnu.org/lv2/lv2pftci/beep2/out>;
pg:role pg:leftChannel;
];
],
[
a lv2:AudioPort, lv2:OutputPort;
lv2:index 2;
lv2:symbol "right";
lv2:name "Right";
pg:membership [
pg:group <http://ll-plugins.nongnu.org/lv2/lv2pftci/beep2/out>;
pg:role pg:rightChannel;
];
],
[
a lv2:ControlPort, lv2:InputPort;
lv2:index 3;
lv2:symbol "pwm";
lv2:name "PWM";
lv2:minimum 0;
lv2:maximum 1;
lv2:default 0.5;
],
[
a lv2:ControlPort, lv2:InputPort;
lv2:index 4;
lv2:symbol "gain";
lv2:name "Gain";
lv2:minimum 0;
lv2:maximum 2;
lv2:default 1;
].

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lv2-examples/beep2/lv2pftci-beep2.lv2/beep2.ttl
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@prefix lv2: <http://lv2plug.in/ns/lv2core#>.
@prefix doap: <http://usefulinc.com/ns/doap#>.
@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>.
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#>.
@prefix ll: <http://ll-plugins.nongnu.org/lv2/namespace#>.
@prefix pg: <http://ll-plugins.nongnu.org/lv2/ext/portgroups#>.
@prefix ev: <http://lv2plug.in/ns/ext/event#>.
@prefix atom: <http://lv2plug.in/ns/ext/atom#> .
<http://ll-plugins.nongnu.org/lv2/lv2pftci/beep2/out> a pg:StereoGroup.
<http://ll-plugins.nongnu.org/lv2/lv2pftci/beep2>
a lv2:Plugin, lv2:InstrumentPlugin;
lv2:binary <beep2.so>;
doap:name "Beep2";
doap:license <http://usefulinc.com/doap/licenses/gpl>;
ll:pegName "p";
lv2:port [
a lv2:InputPort, atom:AtomPort ;
atom:bufferType atom:Sequence ;
atom:supports <http://lv2plug.in/ns/ext/midi#MidiEvent> ;
lv2:index 0;
ev:supportsEvent <http://lv2plug.in/ns/ext/midi#MidiEvent>;
lv2:symbol "midi";
lv2:name "MIDI";
],
[
a lv2:AudioPort, lv2:OutputPort;
lv2:index 1;
lv2:symbol "left";
lv2:name "Left";
pg:membership [
pg:group <http://ll-plugins.nongnu.org/lv2/lv2pftci/beep2/out>;
pg:role pg:leftChannel;
];
],
[
a lv2:AudioPort, lv2:OutputPort;
lv2:index 2;
lv2:symbol "right";
lv2:name "Right";
pg:membership [
pg:group <http://ll-plugins.nongnu.org/lv2/lv2pftci/beep2/out>;
pg:role pg:rightChannel;
];
],
[
a lv2:ControlPort, lv2:InputPort;
lv2:index 3;
lv2:symbol "pwm";
lv2:name "PWM";
lv2:minimum 0;
lv2:maximum 1;
lv2:default 0.5;
],
[
a lv2:ControlPort, lv2:InputPort;
lv2:index 4;
lv2:symbol "gain";
lv2:name "Gain";
lv2:minimum 0;
lv2:maximum 2;
lv2:default 1;
].

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@prefix lv2: <http://lv2plug.in/ns/lv2core#>.
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#>.
<http://ll-plugins.nongnu.org/lv2/lv2pftci/beep2>
a lv2:Plugin;
rdfs:seeAlso <beep2.ttl>.

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@prefix lv2: <http://lv2plug.in/ns/lv2core#>.
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#>.
<http://ll-plugins.nongnu.org/lv2/lv2pftci/beep2>
a lv2:Plugin;
rdfs:seeAlso <beep2.ttl>.

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== Sampler ==
This plugin loads a single sample from a .wav file and plays it back when a MIDI
note on is received. Any sample on the system can be loaded via another event.
A Gtk UI is included which does this, but the host can as well.
This plugin illustrates:
- UI <==> Plugin communication via events
- Use of the worker extension for non-realtime tasks (sample loading)
- Use of the log extension to print log messages via the host
- Saving plugin state via the state extension
- Dynamic plugin control via the same properties saved to state

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lv2-examples/eg-sampler.lv2/atom_sink.h
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/*
Copyright 2016 David Robillard <d@drobilla.net>
Permission to use, copy, modify, and/or distribute this software for any
purpose with or without fee is hereby granted, provided that the above
copyright notice and this permission notice appear in all copies.
THIS SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
/**
A forge sink that writes to an atom buffer.
It is assumed that the handle points to an LV2_Atom large enough to store
the forge output. The forged result is in the body of the buffer atom.
*/
static LV2_Atom_Forge_Ref
atom_sink(LV2_Atom_Forge_Sink_Handle handle, const void* buf, uint32_t size)
{
LV2_Atom* atom = (LV2_Atom*)handle;
const uint32_t offset = lv2_atom_total_size(atom);
memcpy((char*)atom + offset, buf, size);
atom->size += size;
return offset;
}
/**
Dereference counterpart to atom_sink().
*/
static LV2_Atom*
atom_sink_deref(LV2_Atom_Forge_Sink_Handle handle, LV2_Atom_Forge_Ref ref)
{
return (LV2_Atom*)((char*)handle + ref);
}

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lv2-examples/eg-sampler.lv2/manifest.ttl.in
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# Unlike the previous examples, this manifest lists more than one resource: the
# plugin as usual, and the UI. The descriptions are similar, but have
# different types, so the host can decide from this file alone whether or not
# it is interested, and avoid following the `rdfs:seeAlso` link if not (though
# in this case both are described in the same file).
@prefix lv2: <http://lv2plug.in/ns/lv2core#> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix ui: <http://lv2plug.in/ns/extensions/ui#> .
<http://lv2plug.in/plugins/eg-sampler>
a lv2:Plugin ;
lv2:binary <sampler@LIB_EXT@> ;
rdfs:seeAlso <sampler.ttl> .
<http://lv2plug.in/plugins/eg-sampler#ui>
a ui:GtkUI ;
ui:binary <sampler_ui@LIB_EXT@> ;
rdfs:seeAlso <sampler.ttl> .

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/*
LV2 Sampler Example Plugin
Copyright 2011-2016 David Robillard <d@drobilla.net>
Copyright 2011 Gabriel M. Beddingfield <gabriel@teuton.org>
Copyright 2011 James Morris <jwm.art.net@gmail.com>
Permission to use, copy, modify, and/or distribute this software for any
purpose with or without fee is hereby granted, provided that the above
copyright notice and this permission notice appear in all copies.
THIS SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <math.h>
#include <stdlib.h>
#include <string.h>
#ifndef __cplusplus
# include <stdbool.h>
#endif
#include <sndfile.h>
#include "lv2/lv2plug.in/ns/ext/atom/forge.h"
#include "lv2/lv2plug.in/ns/ext/atom/util.h"
#include "lv2/lv2plug.in/ns/ext/log/log.h"
#include "lv2/lv2plug.in/ns/ext/log/logger.h"
#include "lv2/lv2plug.in/ns/ext/midi/midi.h"
#include "lv2/lv2plug.in/ns/ext/patch/patch.h"
#include "lv2/lv2plug.in/ns/ext/state/state.h"
#include "lv2/lv2plug.in/ns/ext/urid/urid.h"
#include "lv2/lv2plug.in/ns/ext/worker/worker.h"
#include "lv2/lv2plug.in/ns/lv2core/lv2.h"
#include "lv2/lv2plug.in/ns/lv2core/lv2_util.h"
#include "uris.h"
#include "atom_sink.h"
enum {
SAMPLER_CONTROL = 0,
SAMPLER_NOTIFY = 1,
SAMPLER_OUT = 2
};
typedef struct {
SF_INFO info; // Info about sample from sndfile
float* data; // Sample data in float
char* path; // Path of file
uint32_t path_len; // Length of path
} Sample;
typedef struct {
// Features
LV2_URID_Map* map;
LV2_Worker_Schedule* schedule;
LV2_Log_Logger logger;
// Forge for creating atoms
LV2_Atom_Forge forge;
// Ports
const LV2_Atom_Sequence* control_port;
LV2_Atom_Sequence* notify_port;
float* output_port;
// Forge frame for notify port (for writing worker replies)
LV2_Atom_Forge_Frame notify_frame;
// URIs
SamplerURIs uris;
// Playback state
Sample* sample;
uint32_t frame_offset;
float gain;
sf_count_t frame;
bool play;
bool activated;
bool sample_changed;
} Sampler;
/**
An atom-like message used internally to apply/free samples.
This is only used internally to communicate with the worker, it is never
sent to the outside world via a port since it is not POD. It is convenient
to use an Atom header so actual atoms can be easily sent through the same
ringbuffer.
*/
typedef struct {
LV2_Atom atom;
Sample* sample;
} SampleMessage;
/**
Load a new sample and return it.
Since this is of course not a real-time safe action, this is called in the
worker thread only. The sample is loaded and returned only, plugin state is
not modified.
*/
static Sample*
load_sample(LV2_Log_Logger* logger, const char* path)
{
lv2_log_trace(logger, "Loading %s\n", path);
const size_t path_len = strlen(path);
Sample* const sample = (Sample*)malloc(sizeof(Sample));
SF_INFO* const info = &sample->info;
SNDFILE* const sndfile = sf_open(path, SFM_READ, info);
if (!sndfile || !info->frames || (info->channels != 1)) {
lv2_log_error(logger, "Failed to open sample '%s'\n", path);
free(sample);
return NULL;
}
// Read data
float* const data = (float*)malloc(sizeof(float) * info->frames);
if (!data) {
lv2_log_error(logger, "Failed to allocate memory for sample\n");
return NULL;
}
sf_seek(sndfile, 0ul, SEEK_SET);
sf_read_float(sndfile, data, info->frames);
sf_close(sndfile);
// Fill sample struct and return it
sample->data = data;
sample->path = (char*)malloc(path_len + 1);
sample->path_len = (uint32_t)path_len;
memcpy(sample->path, path, path_len + 1);
return sample;
}
static void
free_sample(Sampler* self, Sample* sample)
{
if (sample) {
lv2_log_trace(&self->logger, "Freeing %s\n", sample->path);
free(sample->path);
free(sample->data);
free(sample);
}
}
/**
Do work in a non-realtime thread.
This is called for every piece of work scheduled in the audio thread using
self->schedule->schedule_work(). A reply can be sent back to the audio
thread using the provided respond function.
*/
static LV2_Worker_Status
work(LV2_Handle instance,
LV2_Worker_Respond_Function respond,
LV2_Worker_Respond_Handle handle,
uint32_t size,
const void* data)
{
Sampler* self = (Sampler*)instance;
const LV2_Atom* atom = (const LV2_Atom*)data;
if (atom->type == self->uris.eg_freeSample) {
// Free old sample
const SampleMessage* msg = (const SampleMessage*)data;
free_sample(self, msg->sample);
} else if (atom->type == self->forge.Object) {
// Handle set message (load sample).
const LV2_Atom_Object* obj = (const LV2_Atom_Object*)data;
const char* path = read_set_file(&self->uris, obj);
if (!path) {
lv2_log_error(&self->logger, "Malformed set file request\n");
return LV2_WORKER_ERR_UNKNOWN;
}
// Load sample.
Sample* sample = load_sample(&self->logger, path);
if (sample) {
// Send new sample to run() to be applied
respond(handle, sizeof(sample), &sample);
}
}
return LV2_WORKER_SUCCESS;
}
/**
Handle a response from work() in the audio thread.
When running normally, this will be called by the host after run(). When
freewheeling, this will be called immediately at the point the work was
scheduled.
*/
static LV2_Worker_Status
work_response(LV2_Handle instance,
uint32_t size,
const void* data)
{
Sampler* self = (Sampler*)instance;
Sample* old_sample = self->sample;
Sample* new_sample = *(Sample*const*)data;
// Install the new sample
self->sample = *(Sample*const*)data;
// Schedule work to free the old sample
SampleMessage msg = { { sizeof(Sample*), self->uris.eg_freeSample },
old_sample };
self->schedule->schedule_work(self->schedule->handle, sizeof(msg), &msg);
if (strcmp(old_sample->path, new_sample->path)) {
// Send a notification that we're using a new sample
lv2_atom_forge_frame_time(&self->forge, self->frame_offset);
write_set_file(&self->forge, &self->uris,
new_sample->path,
new_sample->path_len);
}
return LV2_WORKER_SUCCESS;
}
static void
connect_port(LV2_Handle instance,
uint32_t port,
void* data)
{
Sampler* self = (Sampler*)instance;
switch (port) {
case SAMPLER_CONTROL:
self->control_port = (const LV2_Atom_Sequence*)data;
break;
case SAMPLER_NOTIFY:
self->notify_port = (LV2_Atom_Sequence*)data;
break;
case SAMPLER_OUT:
self->output_port = (float*)data;
break;
default:
break;
}
}
static LV2_Handle
instantiate(const LV2_Descriptor* descriptor,
double rate,
const char* path,
const LV2_Feature* const* features)
{
// Allocate and initialise instance structure.
Sampler* self = (Sampler*)calloc(1, sizeof(Sampler));
if (!self) {
return NULL;
}
// Get host features
const char* missing = lv2_features_query(
features,
LV2_LOG__log, &self->logger.log, false,
LV2_URID__map, &self->map, true,
LV2_WORKER__schedule, &self->schedule, true,
NULL);
lv2_log_logger_set_map(&self->logger, self->map);
if (missing) {
lv2_log_error(&self->logger, "Missing feature <%s>\n", missing);
free(self);
return NULL;
}
// Map URIs and initialise forge
map_sampler_uris(self->map, &self->uris);
lv2_atom_forge_init(&self->forge, self->map);
return (LV2_Handle)self;
}
static void
cleanup(LV2_Handle instance)
{
Sampler* self = (Sampler*)instance;
free_sample(self, self->sample);
free(self);
}
static void
activate(LV2_Handle instance)
{
((Sampler*)instance)->activated = true;
}
static void
deactivate(LV2_Handle instance)
{
((Sampler*)instance)->activated = false;
}
/** Define a macro for converting a gain in dB to a coefficient. */
#define DB_CO(g) ((g) > -90.0f ? powf(10.0f, (g) * 0.05f) : 0.0f)
static void
run(LV2_Handle instance,
uint32_t sample_count)
{
Sampler* self = (Sampler*)instance;
SamplerURIs* uris = &self->uris;
sf_count_t start_frame = 0;
sf_count_t pos = 0;
float* output = self->output_port;
// Set up forge to write directly to notify output port.
const uint32_t notify_capacity = self->notify_port->atom.size;
lv2_atom_forge_set_buffer(&self->forge,
(uint8_t*)self->notify_port,
notify_capacity);
// Start a sequence in the notify output port.
lv2_atom_forge_sequence_head(&self->forge, &self->notify_frame, 0);
// Send update to UI if sample has changed due to state restore
if (self->sample_changed) {
lv2_atom_forge_frame_time(&self->forge, 0);
write_set_file(&self->forge, &self->uris,
self->sample->path,
self->sample->path_len);
self->sample_changed = false;
}
// Read incoming events
LV2_ATOM_SEQUENCE_FOREACH(self->control_port, ev) {
self->frame_offset = ev->time.frames;
if (ev->body.type == uris->midi_Event) {
const uint8_t* const msg = (const uint8_t*)(ev + 1);
switch (lv2_midi_message_type(msg)) {
case LV2_MIDI_MSG_NOTE_ON:
start_frame = ev->time.frames;
self->frame = 0;
self->play = true;
break;
default:
break;
}
} else if (lv2_atom_forge_is_object_type(&self->forge, ev->body.type)) {
const LV2_Atom_Object* obj = (const LV2_Atom_Object*)&ev->body;
if (obj->body.otype == uris->patch_Set) {
// Get the property and value of the set message
const LV2_Atom* property = NULL;
const LV2_Atom* value = NULL;
lv2_atom_object_get(obj,
uris->patch_property, &property,
uris->patch_value, &value,
0);
if (!property) {
lv2_log_error(&self->logger,
"patch:Set message with no property\n");
continue;
} else if (property->type != uris->atom_URID) {
lv2_log_error(&self->logger,
"patch:Set property is not a URID\n");
continue;
}
const uint32_t key = ((const LV2_Atom_URID*)property)->body;
if (key == uris->eg_sample) {
// Sample change, send it to the worker.
lv2_log_trace(&self->logger, "Scheduling sample change\n");
self->schedule->schedule_work(self->schedule->handle,
lv2_atom_total_size(&ev->body),
&ev->body);
} else if (key == uris->param_gain) {
// Gain change
if (value->type == uris->atom_Float) {
self->gain = DB_CO(((LV2_Atom_Float*)value)->body);
}
}
} else if (obj->body.otype == uris->patch_Get) {
// Received a get message, emit our state (probably to UI)
lv2_atom_forge_frame_time(&self->forge, self->frame_offset);
write_set_file(&self->forge, &self->uris,
self->sample->path,
self->sample->path_len);
} else {
lv2_log_trace(&self->logger,
"Unknown object type %d\n", obj->body.otype);
}
} else {
lv2_log_trace(&self->logger,
"Unknown event type %d\n", ev->body.type);
}
}
// Render the sample (possibly already in progress)
if (self->play) {
uint32_t f = self->frame;
const uint32_t lf = self->sample->info.frames;
for (pos = 0; pos < start_frame; ++pos) {
output[pos] = 0;
}
for (; pos < sample_count && f < lf; ++pos, ++f) {
output[pos] = self->sample->data[f] * self->gain;
}
self->frame = f;
if (f == lf) {
self->play = false;
}
}
// Add zeros to end if sample not long enough (or not playing)
for (; pos < sample_count; ++pos) {
output[pos] = 0.0f;
}
}
static LV2_State_Status
save(LV2_Handle instance,
LV2_State_Store_Function store,
LV2_State_Handle handle,
uint32_t flags,
const LV2_Feature* const* features)
{
Sampler* self = (Sampler*)instance;
if (!self->sample) {
return LV2_STATE_SUCCESS;
}
LV2_State_Map_Path* map_path = (LV2_State_Map_Path*)lv2_features_data(
features, LV2_STATE__mapPath);
if (!map_path) {
return LV2_STATE_ERR_NO_FEATURE;
}
// Map absolute sample path to an abstract state path
char* apath = map_path->abstract_path(map_path->handle, self->sample->path);
// Store eg:sample = abstract path
store(handle,
self->uris.eg_sample,
apath,
strlen(apath) + 1,
self->uris.atom_Path,
LV2_STATE_IS_POD | LV2_STATE_IS_PORTABLE);
free(apath);
return LV2_STATE_SUCCESS;
}
static LV2_State_Status
restore(LV2_Handle instance,
LV2_State_Retrieve_Function retrieve,
LV2_State_Handle handle,
uint32_t flags,
const LV2_Feature* const* features)
{
Sampler* self = (Sampler*)instance;
// Get host features
LV2_Worker_Schedule* schedule = NULL;
LV2_State_Map_Path* paths = NULL;
const char* missing = lv2_features_query(
features,
LV2_STATE__mapPath, &paths, true,
LV2_WORKER__schedule, &schedule, false,
NULL);
if (missing) {
lv2_log_error(&self->logger, "Missing feature <%s>\n", missing);
return LV2_STATE_ERR_NO_FEATURE;
}
// Get eg:sample from state
size_t size;
uint32_t type;
uint32_t valflags;
const void* value = retrieve(handle, self->uris.eg_sample,
&size, &type, &valflags);
if (!value) {
lv2_log_error(&self->logger, "Missing eg:sample\n");
return LV2_STATE_ERR_NO_PROPERTY;
} else if (type != self->uris.atom_Path) {
lv2_log_error(&self->logger, "Non-path eg:sample\n");
return LV2_STATE_ERR_BAD_TYPE;
}
// Map abstract state path to absolute path
const char* apath = (const char*)value;
char* path = paths->absolute_path(paths->handle, apath);
// Replace current sample with the new one
if (!self->activated || !schedule) {
// No scheduling available, load sample immediately
lv2_log_trace(&self->logger, "Synchronous restore\n");
free_sample(self, self->sample);
self->sample = load_sample(&self->logger, path);
self->sample_changed = true;
} else {
// Schedule sample to be loaded by the provided worker
lv2_log_trace(&self->logger, "Scheduling restore\n");
LV2_Atom_Forge forge;
LV2_Atom* buf = (LV2_Atom*)calloc(1, strlen(path) + 128);
lv2_atom_forge_init(&forge, self->map);
lv2_atom_forge_set_sink(&forge, atom_sink, atom_sink_deref, buf);
write_set_file(&forge, &self->uris, path, strlen(path));
const uint32_t msg_size = lv2_atom_pad_size(buf->size);
schedule->schedule_work(self->schedule->handle, msg_size, buf + 1);
free(buf);
}
return LV2_STATE_SUCCESS;
}
static const void*
extension_data(const char* uri)
{
static const LV2_State_Interface state = { save, restore };
static const LV2_Worker_Interface worker = { work, work_response, NULL };
if (!strcmp(uri, LV2_STATE__interface)) {
return &state;
} else if (!strcmp(uri, LV2_WORKER__interface)) {
return &worker;
}
return NULL;
}
static const LV2_Descriptor descriptor = {
EG_SAMPLER_URI,
instantiate,
connect_port,
activate,
run,
deactivate,
cleanup,
extension_data
};
LV2_SYMBOL_EXPORT
const LV2_Descriptor* lv2_descriptor(uint32_t index)
{
switch (index) {
case 0:
return &descriptor;
default:
return NULL;
}
}

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@prefix atom: <http://lv2plug.in/ns/ext/atom#> .
@prefix doap: <http://usefulinc.com/ns/doap#> .
@prefix lv2: <http://lv2plug.in/ns/lv2core#> .
@prefix patch: <http://lv2plug.in/ns/ext/patch#> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix state: <http://lv2plug.in/ns/ext/state#> .
@prefix ui: <http://lv2plug.in/ns/extensions/ui#> .
@prefix urid: <http://lv2plug.in/ns/ext/urid#> .
@prefix work: <http://lv2plug.in/ns/ext/worker#> .
@prefix param: <http://lv2plug.in/ns/ext/parameters#> .
<http://lv2plug.in/plugins/eg-sampler#sample>
a lv2:Parameter ;
rdfs:label "sample" ;
rdfs:range atom:Path .
<http://lv2plug.in/plugins/eg-sampler>
a lv2:Plugin ;
doap:name "Example Sampler" ;
doap:license <http://opensource.org/licenses/isc> ;
lv2:project <http://lv2plug.in/ns/lv2> ;
lv2:requiredFeature state:loadDefaultState ,
urid:map ,
work:schedule ;
lv2:optionalFeature lv2:hardRTCapable ,
state:threadSafeRestore ;
lv2:extensionData state:interface ,
work:interface ;
ui:ui <http://lv2plug.in/plugins/eg-sampler#ui> ;
patch:writable <http://lv2plug.in/plugins/eg-sampler#sample> ,
param:gain ;
lv2:port [
a lv2:InputPort ,
atom:AtomPort ;
atom:bufferType atom:Sequence ;
atom:supports <http://lv2plug.in/ns/ext/midi#MidiEvent> ,
patch:Message ;
lv2:designation lv2:control ;
lv2:index 0 ;
lv2:symbol "control" ;
lv2:name "Control"
] , [
a lv2:OutputPort ,
atom:AtomPort ;
atom:bufferType atom:Sequence ;
atom:supports patch:Message ;
lv2:designation lv2:control ;
lv2:index 1 ;
lv2:symbol "notify" ;
lv2:name "Notify"
] , [
a lv2:AudioPort ,
lv2:OutputPort ;
lv2:index 2 ;
lv2:symbol "out" ;
lv2:name "Out"
] ;
state:state [
<http://lv2plug.in/plugins/eg-sampler#sample> <click.wav>
] .
<http://lv2plug.in/plugins/eg-sampler#ui>
a ui:GtkUI ;
lv2:requiredFeature urid:map ;
lv2:extensionData ui:showInterface ;
ui:portNotification [
ui:plugin <http://lv2plug.in/plugins/eg-sampler> ;
lv2:symbol "notify" ;
ui:notifyType atom:Blank
] .

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/*
LV2 Sampler Example Plugin UI
Copyright 2011-2016 David Robillard <d@drobilla.net>
Permission to use, copy, modify, and/or distribute this software for any
purpose with or without fee is hereby granted, provided that the above
copyright notice and this permission notice appear in all copies.
THIS SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <stdlib.h>
#include <gtk/gtk.h>
#include "lv2/lv2plug.in/ns/ext/atom/atom.h"
#include "lv2/lv2plug.in/ns/ext/atom/forge.h"
#include "lv2/lv2plug.in/ns/ext/atom/util.h"
#include "lv2/lv2plug.in/ns/ext/log/logger.h"
#include "lv2/lv2plug.in/ns/ext/patch/patch.h"
#include "lv2/lv2plug.in/ns/ext/urid/urid.h"
#include "lv2/lv2plug.in/ns/extensions/ui/ui.h"
#include "lv2/lv2plug.in/ns/lv2core/lv2_util.h"
#include "./uris.h"
#define SAMPLER_UI_URI "http://lv2plug.in/plugins/eg-sampler#ui"
typedef struct {
LV2_Atom_Forge forge;
LV2_URID_Map* map;
LV2_Log_Logger logger;
SamplerURIs uris;
LV2UI_Write_Function write;
LV2UI_Controller controller;
GtkWidget* box;
GtkWidget* button;
GtkWidget* label;
GtkWidget* window; /* For optional show interface. */
} SamplerUI;
static void
on_load_clicked(GtkWidget* widget,
void* handle)
{
SamplerUI* ui = (SamplerUI*)handle;
/* Create a dialog to select a sample file. */
GtkWidget* dialog = gtk_file_chooser_dialog_new(
"Load Sample",
NULL,
GTK_FILE_CHOOSER_ACTION_OPEN,
GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
GTK_STOCK_OPEN, GTK_RESPONSE_ACCEPT,
NULL);
/* Run the dialog, and return if it is cancelled. */
if (gtk_dialog_run(GTK_DIALOG(dialog)) != GTK_RESPONSE_ACCEPT) {
gtk_widget_destroy(dialog);
return;
}
/* Get the file path from the dialog. */
char* filename = gtk_file_chooser_get_filename(GTK_FILE_CHOOSER(dialog));
/* Got what we need, destroy the dialog. */
gtk_widget_destroy(dialog);
#define OBJ_BUF_SIZE 1024
uint8_t obj_buf[OBJ_BUF_SIZE];
lv2_atom_forge_set_buffer(&ui->forge, obj_buf, OBJ_BUF_SIZE);
LV2_Atom* msg = (LV2_Atom*)write_set_file(&ui->forge, &ui->uris,
filename, strlen(filename));
ui->write(ui->controller, 0, lv2_atom_total_size(msg),
ui->uris.atom_eventTransfer,
msg);
g_free(filename);
}
static LV2UI_Handle
instantiate(const LV2UI_Descriptor* descriptor,
const char* plugin_uri,
const char* bundle_path,
LV2UI_Write_Function write_function,
LV2UI_Controller controller,
LV2UI_Widget* widget,
const LV2_Feature* const* features)
{
SamplerUI* ui = (SamplerUI*)calloc(1, sizeof(SamplerUI));
if (!ui) {
return NULL;
}
ui->write = write_function;
ui->controller = controller;
*widget = NULL;
// Get host features
const char* missing = lv2_features_query(
features,
LV2_LOG__log, &ui->logger.log, false,
LV2_URID__map, &ui->map, true,
NULL);
lv2_log_logger_set_map(&ui->logger, ui->map);
if (missing) {
lv2_log_error(&ui->logger, "Missing feature <%s>\n", missing);
free(ui);
return NULL;
}
// Map URIs and initialise forge
map_sampler_uris(ui->map, &ui->uris);
lv2_atom_forge_init(&ui->forge, ui->map);
// Construct Gtk UI
ui->box = gtk_vbox_new(FALSE, 4);
ui->label = gtk_label_new("?");
ui->button = gtk_button_new_with_label("Load Sample");
gtk_box_pack_start(GTK_BOX(ui->box), ui->label, TRUE, TRUE, 4);
gtk_box_pack_start(GTK_BOX(ui->box), ui->button, FALSE, FALSE, 4);
g_signal_connect(ui->button, "clicked",
G_CALLBACK(on_load_clicked),
ui);
// Request state (filename) from plugin
uint8_t get_buf[512];
lv2_atom_forge_set_buffer(&ui->forge, get_buf, sizeof(get_buf));
LV2_Atom_Forge_Frame frame;
LV2_Atom* msg = (LV2_Atom*)lv2_atom_forge_object(
&ui->forge, &frame, 0, ui->uris.patch_Get);
lv2_atom_forge_pop(&ui->forge, &frame);
ui->write(ui->controller, 0, lv2_atom_total_size(msg),
ui->uris.atom_eventTransfer,
msg);
*widget = ui->box;
return ui;
}
static void
cleanup(LV2UI_Handle handle)
{
SamplerUI* ui = (SamplerUI*)handle;
gtk_widget_destroy(ui->button);
free(ui);
}
static void
port_event(LV2UI_Handle handle,
uint32_t port_index,
uint32_t buffer_size,
uint32_t format,
const void* buffer)
{
SamplerUI* ui = (SamplerUI*)handle;
if (format == ui->uris.atom_eventTransfer) {
const LV2_Atom* atom = (const LV2_Atom*)buffer;
if (lv2_atom_forge_is_object_type(&ui->forge, atom->type)) {
const LV2_Atom_Object* obj = (const LV2_Atom_Object*)atom;
const char* uri = read_set_file(&ui->uris, obj);
if (uri) {
gtk_label_set_text(GTK_LABEL(ui->label), uri);
} else {
lv2_log_warning(&ui->logger, "Malformed message\n");
}
} else {
lv2_log_error(&ui->logger, "Unknown message type\n");
}
} else {
lv2_log_warning(&ui->logger, "Unknown port event format\n");
}
}
/* Optional non-embedded UI show interface. */
static int
ui_show(LV2UI_Handle handle)
{
SamplerUI* ui = (SamplerUI*)handle;
int argc = 0;
gtk_init(&argc, NULL);
ui->window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
gtk_container_add(GTK_CONTAINER(ui->window), ui->box);
gtk_widget_show_all(ui->window);
gtk_window_present(GTK_WINDOW(ui->window));
return 0;
}
/* Optional non-embedded UI hide interface. */
static int
ui_hide(LV2UI_Handle handle)
{
return 0;
}
/* Idle interface for optional non-embedded UI. */
static int
ui_idle(LV2UI_Handle handle)
{
SamplerUI* ui = (SamplerUI*)handle;
if (ui->window) {
gtk_main_iteration();
}
return 0;
}
static const void*
extension_data(const char* uri)
{
static const LV2UI_Show_Interface show = { ui_show, ui_hide };
static const LV2UI_Idle_Interface idle = { ui_idle };
if (!strcmp(uri, LV2_UI__showInterface)) {
return &show;
} else if (!strcmp(uri, LV2_UI__idleInterface)) {
return &idle;
}
return NULL;
}
static const LV2UI_Descriptor descriptor = {
SAMPLER_UI_URI,
instantiate,
cleanup,
port_event,
extension_data
};
LV2_SYMBOL_EXPORT
const LV2UI_Descriptor*
lv2ui_descriptor(uint32_t index)
{
switch (index) {
case 0:
return &descriptor;
default:
return NULL;
}
}

139
lv2-examples/eg-sampler.lv2/uris.h
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@ -1,139 +0,0 @@
/*
LV2 Sampler Example Plugin
Copyright 2011-2016 David Robillard <d@drobilla.net>
Permission to use, copy, modify, and/or distribute this software for any
purpose with or without fee is hereby granted, provided that the above
copyright notice and this permission notice appear in all copies.
THIS SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#ifndef SAMPLER_URIS_H
#define SAMPLER_URIS_H
#include "lv2/lv2plug.in/ns/ext/log/log.h"
#include "lv2/lv2plug.in/ns/ext/midi/midi.h"
#include "lv2/lv2plug.in/ns/ext/state/state.h"
#include "lv2/lv2plug.in/ns/ext/parameters/parameters.h"
#define EG_SAMPLER_URI "http://lv2plug.in/plugins/eg-sampler"
#define EG_SAMPLER__sample EG_SAMPLER_URI "#sample"
#define EG_SAMPLER__applySample EG_SAMPLER_URI "#applySample"
#define EG_SAMPLER__freeSample EG_SAMPLER_URI "#freeSample"
typedef struct {
LV2_URID atom_Float;
LV2_URID atom_Path;
LV2_URID atom_Resource;
LV2_URID atom_Sequence;
LV2_URID atom_URID;
LV2_URID atom_eventTransfer;
LV2_URID eg_applySample;
LV2_URID eg_sample;
LV2_URID eg_freeSample;
LV2_URID midi_Event;
LV2_URID param_gain;
LV2_URID patch_Get;
LV2_URID patch_Set;
LV2_URID patch_property;
LV2_URID patch_value;
} SamplerURIs;
static inline void
map_sampler_uris(LV2_URID_Map* map, SamplerURIs* uris)
{
uris->atom_Float = map->map(map->handle, LV2_ATOM__Float);
uris->atom_Path = map->map(map->handle, LV2_ATOM__Path);
uris->atom_Resource = map->map(map->handle, LV2_ATOM__Resource);
uris->atom_Sequence = map->map(map->handle, LV2_ATOM__Sequence);
uris->atom_URID = map->map(map->handle, LV2_ATOM__URID);
uris->atom_eventTransfer = map->map(map->handle, LV2_ATOM__eventTransfer);
uris->eg_applySample = map->map(map->handle, EG_SAMPLER__applySample);
uris->eg_freeSample = map->map(map->handle, EG_SAMPLER__freeSample);
uris->eg_sample = map->map(map->handle, EG_SAMPLER__sample);
uris->midi_Event = map->map(map->handle, LV2_MIDI__MidiEvent);
uris->param_gain = map->map(map->handle, LV2_PARAMETERS__gain);
uris->patch_Get = map->map(map->handle, LV2_PATCH__Get);
uris->patch_Set = map->map(map->handle, LV2_PATCH__Set);
uris->patch_property = map->map(map->handle, LV2_PATCH__property);
uris->patch_value = map->map(map->handle, LV2_PATCH__value);
}
/**
* Write a message like the following to @p forge:
* []
* a patch:Set ;
* patch:property eg:sample ;
* patch:value </home/me/foo.wav> .
*/
static inline LV2_Atom_Forge_Ref
write_set_file(LV2_Atom_Forge* forge,
const SamplerURIs* uris,
const char* filename,
const uint32_t filename_len)
{
LV2_Atom_Forge_Frame frame;
LV2_Atom_Forge_Ref set = lv2_atom_forge_object(
forge, &frame, 0, uris->patch_Set);
lv2_atom_forge_key(forge, uris->patch_property);
lv2_atom_forge_urid(forge, uris->eg_sample);
lv2_atom_forge_key(forge, uris->patch_value);
lv2_atom_forge_path(forge, filename, filename_len);
lv2_atom_forge_pop(forge, &frame);
return set;
}
/**
* Get the file path from a message like:
* []
* a patch:Set ;
* patch:property eg:sample ;
* patch:value </home/me/foo.wav> .
*/
static inline const char*
read_set_file(const SamplerURIs* uris,
const LV2_Atom_Object* obj)
{
if (obj->body.otype != uris->patch_Set) {
fprintf(stderr, "Ignoring unknown message type %d\n", obj->body.otype);
return NULL;
}
/* Get property URI. */
const LV2_Atom* property = NULL;
lv2_atom_object_get(obj, uris->patch_property, &property, 0);
if (!property) {
fprintf(stderr, "Malformed set message has no body.\n");
return NULL;
} else if (property->type != uris->atom_URID) {
fprintf(stderr, "Malformed set message has non-URID property.\n");
return NULL;
} else if (((const LV2_Atom_URID*)property)->body != uris->eg_sample) {
fprintf(stderr, "Set message for unknown property.\n");
return NULL;
}
/* Get value. */
const LV2_Atom* value = NULL;
lv2_atom_object_get(obj, uris->patch_value, &value, 0);
if (!value) {
fprintf(stderr, "Malformed set message has no value.\n");
return NULL;
} else if (value->type != uris->atom_Path) {
fprintf(stderr, "Set message value is not a Path.\n");
return NULL;
}
return (const char*)LV2_ATOM_BODY_CONST(value);
}
#endif /* SAMPLER_URIS_H */

1
lv2-examples/eg-sampler.lv2/waf vendored
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@ -1 +0,0 @@
../../waf

83
lv2-examples/eg-sampler.lv2/wscript
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@ -1,83 +0,0 @@
#!/usr/bin/env python
from waflib.extras import autowaf as autowaf
import re
# Variables for 'waf dist'
APPNAME = 'eg-sampler.lv2'
VERSION = '1.0.0'
# Mandatory variables
top = '.'
out = 'build'
def options(opt):
opt.load('compiler_c')
opt.load('lv2')
autowaf.set_options(opt)
def configure(conf):
conf.load('compiler_c')
conf.load('lv2')
autowaf.configure(conf)
autowaf.set_c99_mode(conf)
autowaf.display_header('Sampler Configuration')
if not autowaf.is_child():
autowaf.check_pkg(conf, 'lv2', atleast_version='1.2.1', uselib_store='LV2')
autowaf.check_pkg(conf, 'sndfile', uselib_store='SNDFILE',
atleast_version='1.0.0', mandatory=True)
autowaf.check_pkg(conf, 'gtk+-2.0', uselib_store='GTK2',
atleast_version='2.18.0', mandatory=False)
conf.check(features='c cshlib', lib='m', uselib_store='M', mandatory=False)
autowaf.display_msg(conf, 'LV2 bundle directory', conf.env.LV2DIR)
print('')
def build(bld):
bundle = 'eg-sampler.lv2'
# Make a pattern for shared objects without the 'lib' prefix
module_pat = re.sub('^lib', '', bld.env.cshlib_PATTERN)
module_ext = module_pat[module_pat.rfind('.'):]
# Build manifest.ttl by substitution (for portable lib extension)
bld(features = 'subst',
source = 'manifest.ttl.in',
target = '%s/%s' % (bundle, 'manifest.ttl'),
install_path = '${LV2DIR}/%s' % bundle,
LIB_EXT = module_ext)
# Copy other data files to build bundle (build/eg-sampler.lv2)
for i in ['sampler.ttl', 'click.wav']:
bld(features = 'subst',
is_copy = True,
source = i,
target = '%s/%s' % (bundle, i),
install_path = '${LV2DIR}/%s' % bundle)
# Use LV2 headers from parent directory if building as a sub-project
includes = ['.']
if autowaf.is_child:
includes += ['../..']
# Build plugin library
obj = bld(features = 'c cshlib',
source = 'sampler.c',
name = 'sampler',
target = '%s/sampler' % bundle,
install_path = '${LV2DIR}/%s' % bundle,
use = ['M', 'SNDFILE', 'LV2'],
includes = includes)
obj.env.cshlib_PATTERN = module_pat
# Build UI library
if bld.env.HAVE_GTK2:
obj = bld(features = 'c cshlib',
source = 'sampler_ui.c',
name = 'sampler_ui',
target = '%s/sampler_ui' % bundle,
install_path = '${LV2DIR}/%s' % bundle,
use = ['GTK2', 'LV2'],
includes = includes)
obj.env.cshlib_PATTERN = module_pat

1536
lv2/Dexed.ttl
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File diff suppressed because it is too large Load Diff

26
lv2/manifest.ttl
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@ -1,26 +0,0 @@
@prefix lv2: <http://lv2plug.in/ns/lv2core#> .
@prefix pset: <http://lv2plug.in/ns/ext/presets#> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix ui: <http://lv2plug.in/ns/extensions/ui#> .
@prefix mdap: <http://moddevices.com/plugins/mda/presets#> .
@prefix pset: <http://lv2plug.in/ns/ext/presets#> .
<https://github.com/asb2m10/dexed>
a lv2:Plugin ;
lv2:binary <Dexed.so> ;
rdfs:seeAlso <Dexed.ttl> .
<https://github.com/asb2m10/dexed#ExternalUI>
a <http://kxstudio.sf.net/ns/lv2ext/external-ui#Widget> ;
ui:binary <Dexed.so> ;
lv2:requiredFeature <http://lv2plug.in/ns/ext/instance-access> ;
lv2:extensionData <http://kxstudio.sf.net/ns/lv2ext/programs#UIInterface> .
<https://github.com/asb2m10/dexed#ParentUI>
a ui:X11UI ;
ui:binary <Dexed.so> ;
lv2:requiredFeature <http://lv2plug.in/ns/ext/instance-access> ;
lv2:optionalFeature ui:noUserResize ;
lv2:extensionData <http://kxstudio.sf.net/ns/lv2ext/programs#UIInterface> .

37
src/dexed.cpp
Unescape View File

@ -10,8 +10,6 @@
#include "msfa/freqlut.h" #include "msfa/freqlut.h"
#include "msfa/controllers.h" #include "msfa/controllers.h"
#include "PluginFx.h" #include "PluginFx.h"
#include <string.h>
#include <limits.h>
Dexed::Dexed(double rate) : lvtk::Synth<DexedVoice, Dexed>(p_n_ports, p_midi_in) Dexed::Dexed(double rate) : lvtk::Synth<DexedVoice, Dexed>(p_n_ports, p_midi_in)
{ {
@ -24,13 +22,9 @@ Dexed::Dexed(double rate) : lvtk::Synth<DexedVoice, Dexed>(p_n_ports, p_midi_in)
Tanh::init(); Tanh::init();
Sin::init(); Sin::init();
currentNote = -1;
engineType = -1;
monoMode = 0;
normalizeDxVelocity = false; normalizeDxVelocity = false;
memset(&voiceStatus, 0, sizeof(VoiceStatus)); memset(&voiceStatus, 0, sizeof(VoiceStatus));
setEngineType(DEXED_ENGINE_MARKI);
Freqlut::init(rate); Freqlut::init(rate);
Lfo::init(rate); Lfo::init(rate);
@ -52,6 +46,9 @@ Dexed::Dexed(double rate) : lvtk::Synth<DexedVoice, Dexed>(p_n_ports, p_midi_in)
controllers.breath_cc = 0; controllers.breath_cc = 0;
controllers.aftertouch_cc = 0; controllers.aftertouch_cc = 0;
setEngineType(DEXED_ENGINE_MARKI);
setMonoMode(false);
sustain = false; sustain = false;
lfo.reset(data + 137); lfo.reset(data + 137);
@ -90,17 +87,11 @@ void Dexed::set_params(void)
{ {
// Dexed-Unisono // Dexed-Unisono
if(isMonoMode()!=int(*p(p_unisono))) if(isMonoMode()!=int(*p(p_unisono)))
{
panic();
setMonoMode(int(*p(p_unisono))); setMonoMode(int(*p(p_unisono)));
}
// Dexed-Engine // Dexed-Engine
if(getEngineType()!=int(*p(p_engine))) if(getEngineType()!=int(*p(p_engine))-1)
{ setEngineType(int(*p(p_engine))-1);
panic();
setEngineType(int(*p(p_engine)));
}
// Dexed-Filter // Dexed-Filter
if(fx.uiCutoff!=*p(p_cutoff)) if(fx.uiCutoff!=*p(p_cutoff))
@ -335,20 +326,19 @@ void Dexed::run (uint32_t sample_count)
void Dexed::GetSamples(int n_samples, float *buffer) void Dexed::GetSamples(int n_samples, float *buffer)
{ {
int i; int i;
VoiceStatus vs;
for(i=0;i < MAX_ACTIVE_NOTES;i++) { for(i=0;i < MAX_ACTIVE_NOTES;i++) {
if(voices[i].live==true &&voices[i].keydown==false) if(voices[i].live==true &&voices[i].keydown==false)
{ {
uint8_t op_amp=0; uint8_t op_amp=0;
voices[i].dx7_note->peekVoiceStatus(vs); voices[i].dx7_note->peekVoiceStatus(voiceStatus);
for(int op=0;op<6;op++) for(int op=0;op<6;op++)
{ {
TRACE("Voice[%2d] OP [%d] amp=%ld,amp_step=%d,pitch_step=%d",i,op,vs.amp[op],vs.ampStep[op],vs.pitchStep); TRACE("Voice[%2d] OP [%d] amp=%ld,amp_step=%d,pitch_step=%d",i,op,voiceStatus.amp[op],voiceStatus.ampStep[op],voiceStatus.pitchStep);
if(vs.amp[op]<=1069) if(voiceStatus.amp[op]<=1069)
op_amp++; op_amp++;
} }
@ -467,8 +457,8 @@ bool Dexed::ProcessMidiMessage(const uint8_t *buf, int buf_size) {
} }
break; break;
} }
}
return(true); return(true);
}
case 0xc0 : case 0xc0 :
//setCurrentProgram(buf[1]); //setCurrentProgram(buf[1]);
@ -607,9 +597,13 @@ int Dexed::getEngineType() {
return engineType; return engineType;
} }
void Dexed::setEngineType(int tp) { void Dexed::setEngineType(uint8_t tp) {
TRACE("settings engine %d", tp); TRACE("settings engine %d", tp);
if(engineType==tp)
return;
panic();
switch (tp) { switch (tp) {
case DEXED_ENGINE_MARKI: case DEXED_ENGINE_MARKI:
controllers.core = &engineMkI; controllers.core = &engineMkI;
@ -632,6 +626,9 @@ bool Dexed::isMonoMode(void) {
} }
void Dexed::setMonoMode(bool mode) { void Dexed::setMonoMode(bool mode) {
if(monoMode==mode)
return;
monoMode = mode; monoMode = mode;
} }

10
src/dexed.h
Unescape View File

@ -43,9 +43,9 @@ struct ProcessorVoice {
}; };
enum DexedEngineResolution { enum DexedEngineResolution {
DEXED_ENGINE_MODERN, DEXED_ENGINE_MODERN, // 0
DEXED_ENGINE_MARKI, DEXED_ENGINE_MARKI, // 1
DEXED_ENGINE_OPL DEXED_ENGINE_OPL // 2
}; };
// GLOBALS // GLOBALS
@ -77,7 +77,7 @@ class Dexed : public lvtk::Synth<DexedVoice, Dexed>
~Dexed(); ~Dexed();
void run(uint32_t sample_count); void run(uint32_t sample_count);
int getEngineType(); int getEngineType();
void setEngineType(int rs); void setEngineType(uint8_t tp);
bool isMonoMode(void); bool isMonoMode(void);
void setMonoMode(bool mode); void setMonoMode(bool mode);
void set_params(void); void set_params(void);
@ -101,7 +101,7 @@ class Dexed : public lvtk::Synth<DexedVoice, Dexed>
bool monoMode; bool monoMode;
bool refreshVoice; bool refreshVoice;
bool normalizeDxVelocity; bool normalizeDxVelocity;
uint32_t engineType; uint8_t engineType;
int feedback_bitdepth; int feedback_bitdepth;
long lastStateSave; long lastStateSave;
PluginFx fx; PluginFx fx;

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