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drumkv1_lv2.cpp
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drumkv1_lv2.cpp
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// drumkv1_lv2.cpp
//
/****************************************************************************
Copyright (C) 2012-2022, rncbc aka Rui Nuno Capela. All rights reserved.
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.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*****************************************************************************/
#include "drumkv1_lv2.h"
#include "drumkv1_config.h"
#include "drumkv1_sched.h"
#include "drumkv1_sample.h"
#include "drumkv1_param.h"
#include "drumkv1_programs.h"
#include "drumkv1_controls.h"
#include "lv2/lv2plug.in/ns/ext/midi/midi.h"
#include "lv2/lv2plug.in/ns/ext/time/time.h"
#include "lv2/lv2plug.in/ns/ext/atom/util.h"
#include "lv2/lv2plug.in/ns/ext/state/state.h"
#include "lv2/lv2plug.in/ns/ext/options/options.h"
#include "lv2/lv2plug.in/ns/ext/buf-size/buf-size.h"
#ifdef CONFIG_LV2_PATCH
#include "lv2/lv2plug.in/ns/ext/patch/patch.h"
#endif
#ifndef CONFIG_LV2_ATOM_FORGE_OBJECT
#define lv2_atom_forge_object(forge, frame, id, otype) \
lv2_atom_forge_blank(forge, frame, id, otype)
#endif
#ifndef CONFIG_LV2_ATOM_FORGE_KEY
#define lv2_atom_forge_key(forge, key) \
lv2_atom_forge_property_head(forge, key, 0)
#endif
#ifndef LV2_STATE__StateChanged
#define LV2_STATE__StateChanged LV2_STATE_PREFIX "StateChanged"
#endif
#ifndef LV2_ATOM__PortEvent
#define LV2_ATOM__PortEvent LV2_ATOM_PREFIX "PortEvent"
#endif
#ifndef LV2_ATOM__portTuple
#define LV2_ATOM__portTuple LV2_ATOM_PREFIX "portTuple"
#endif
#include <cstdlib>
#include <cmath>
#include <QApplication>
#include <QDomDocument>
#include <QFileInfo>
//-------------------------------------------------------------------------
// drumkv1_lv2_map_path - abstract/absolute path functors.
//
class drumkv1_lv2_map_path : public drumkv1_param::map_path
{
public:
drumkv1_lv2_map_path(const LV2_Feature *const *features)
: m_map_path(nullptr)
{
for (int i = 0; features && features[i]; ++i) {
if (::strcmp(features[i]->URI, LV2_STATE__mapPath) == 0) {
m_map_path = (LV2_State_Map_Path *) features[i]->data;
break;
}
}
}
QString absolutePath(const QString& sAbstractPath) const
{
QString sAbsolutePath(sAbstractPath);
if (m_map_path) {
const char *pszAbsolutePath
= m_map_path->absolute_path(
m_map_path->handle, sAbstractPath.toUtf8().constData());
if (pszAbsolutePath) {
sAbsolutePath = QString::fromUtf8(pszAbsolutePath);
::free((void *) pszAbsolutePath);
}
}
return QFileInfo(sAbsolutePath).canonicalFilePath();
}
QString abstractPath(const QString& sAbsolutePath) const
{
QString sAbstractPath(sAbsolutePath);
if (m_map_path) {
const char *pszAbstractPath
= m_map_path->abstract_path(
m_map_path->handle, sAbsolutePath.toUtf8().constData());
if (pszAbstractPath) {
sAbstractPath = QString::fromUtf8(pszAbstractPath);
::free((void *) pszAbstractPath);
}
}
return sAbstractPath;
}
private:
LV2_State_Map_Path *m_map_path;
};
//-------------------------------------------------------------------------
// drumkv1_lv2 - impl.
//
// atom-like message used internally with worker/schedule
typedef struct {
LV2_Atom atom;
union {
uint32_t key;
const char *path;
} data;
} drumkv1_lv2_worker_message;
drumkv1_lv2::drumkv1_lv2 (
double sample_rate, const LV2_Feature *const *host_features )
: drumkv1(2, float(sample_rate))
{
::memset(&m_urids, 0, sizeof(m_urids));
m_urid_map = nullptr;
m_atom_in = nullptr;
m_atom_out = nullptr;
m_schedule = nullptr;
m_ndelta = 0;
const LV2_Options_Option *host_options = nullptr;
for (int i = 0; host_features && host_features[i]; ++i) {
const LV2_Feature *host_feature = host_features[i];
if (::strcmp(host_feature->URI, LV2_URID_MAP_URI) == 0) {
m_urid_map = (LV2_URID_Map *) host_feature->data;
if (m_urid_map) {
#if 1//DRUMKV1_LV2_LEGACY
m_urids.gen1_sample = m_urid_map->map(
m_urid_map->handle, DRUMKV1_LV2_PREFIX "GEN1_SAMPLE");
m_urids.gen1_offset_start = m_urid_map->map(
m_urid_map->handle, DRUMKV1_LV2_PREFIX "GEN1_OFFSET_START");
m_urids.gen1_offset_end = m_urid_map->map(
m_urid_map->handle, DRUMKV1_LV2_PREFIX "GEN1_OFFSET_END");
#endif
m_urids.p101_sample_file = m_urid_map->map(
m_urid_map->handle, DRUMKV1_LV2_PREFIX "P101_SAMPLE_FILE");
m_urids.p102_offset_start = m_urid_map->map(
m_urid_map->handle, DRUMKV1_LV2_PREFIX "P102_OFFSET_START");
m_urids.p103_offset_end = m_urid_map->map(
m_urid_map->handle, DRUMKV1_LV2_PREFIX "P103_OFFSET_END");
m_urids.gen1_select = m_urid_map->map(
m_urid_map->handle, DRUMKV1_LV2_PREFIX "GEN1_SELECT");
m_urids.gen1_update = m_urid_map->map(
m_urid_map->handle, DRUMKV1_LV2_PREFIX "GEN1_UPDATE");
m_urids.p201_tuning_enabled = m_urid_map->map(
m_urid_map->handle, DRUMKV1_LV2_PREFIX "P201_TUNING_ENABLED");
m_urids.p202_tuning_refPitch = m_urid_map->map(
m_urid_map->handle, DRUMKV1_LV2_PREFIX "P202_TUNING_REF_PITCH");
m_urids.p203_tuning_refNote = m_urid_map->map(
m_urid_map->handle, DRUMKV1_LV2_PREFIX "P203_TUNING_REF_NOTE");
m_urids.p204_tuning_scaleFile = m_urid_map->map(
m_urid_map->handle, DRUMKV1_LV2_PREFIX "P204_TUNING_SCALE_FILE");
m_urids.p205_tuning_keyMapFile = m_urid_map->map(
m_urid_map->handle, DRUMKV1_LV2_PREFIX "P205_TUNING_KEYMAP_FILE");
m_urids.tun1_update = m_urid_map->map(
m_urid_map->handle, DRUMKV1_LV2_PREFIX "TUN1_UPDATE");
m_urids.atom_Blank = m_urid_map->map(
m_urid_map->handle, LV2_ATOM__Blank);
m_urids.atom_Object = m_urid_map->map(
m_urid_map->handle, LV2_ATOM__Object);
m_urids.atom_Float = m_urid_map->map(
m_urid_map->handle, LV2_ATOM__Float);
m_urids.atom_Int = m_urid_map->map(
m_urid_map->handle, LV2_ATOM__Int);
m_urids.atom_Bool = m_urid_map->map(
m_urid_map->handle, LV2_ATOM__Bool);
m_urids.atom_Path = m_urid_map->map(
m_urid_map->handle, LV2_ATOM__Path);
#ifdef CONFIG_LV2_PORT_EVENT
m_urids.atom_PortEvent = m_urid_map->map(
m_urid_map->handle, LV2_ATOM__PortEvent);
m_urids.atom_portTuple = m_urid_map->map(
m_urid_map->handle, LV2_ATOM__portTuple);
#endif
m_urids.time_Position = m_urid_map->map(
m_urid_map->handle, LV2_TIME__Position);
m_urids.time_beatsPerMinute = m_urid_map->map(
m_urid_map->handle, LV2_TIME__beatsPerMinute);
m_urids.midi_MidiEvent = m_urid_map->map(
m_urid_map->handle, LV2_MIDI__MidiEvent);
m_urids.bufsz_minBlockLength = m_urid_map->map(
m_urid_map->handle, LV2_BUF_SIZE__minBlockLength);
m_urids.bufsz_maxBlockLength = m_urid_map->map(
m_urid_map->handle, LV2_BUF_SIZE__maxBlockLength);
#ifdef LV2_BUF_SIZE__nominalBlockLength
m_urids.bufsz_nominalBlockLength = m_urid_map->map(
m_urid_map->handle, LV2_BUF_SIZE__nominalBlockLength);
#endif
m_urids.state_StateChanged = m_urid_map->map(
m_urid_map->handle, LV2_STATE__StateChanged);
#ifdef CONFIG_LV2_PATCH
m_urids.patch_Get = m_urid_map->map(
m_urid_map->handle, LV2_PATCH__Get);
m_urids.patch_Set = m_urid_map->map(
m_urid_map->handle, LV2_PATCH__Set);
m_urids.patch_property = m_urid_map->map(
m_urid_map->handle, LV2_PATCH__property);
m_urids.patch_value = m_urid_map->map(
m_urid_map->handle, LV2_PATCH__value);
#endif
}
}
else
if (::strcmp(host_feature->URI, LV2_WORKER__schedule) == 0)
m_schedule = (LV2_Worker_Schedule *) host_feature->data;
else
if (::strcmp(host_feature->URI, LV2_OPTIONS__options) == 0)
host_options = (const LV2_Options_Option *) host_feature->data;
}
uint32_t buffer_size = 1024; // maybe some safe default?
for (int i = 0; host_options && host_options[i].key; ++i) {
const LV2_Options_Option *host_option = &host_options[i];
if (host_option->type == m_urids.atom_Int) {
uint32_t block_length = 0;
if (host_option->key == m_urids.bufsz_minBlockLength)
block_length = *(int32_t *) host_option->value;
else
if (host_option->key == m_urids.bufsz_maxBlockLength)
block_length = *(int32_t *) host_option->value;
#ifdef LV2_BUF_SIZE__nominalBlockLength
else
if (host_option->key == m_urids.bufsz_nominalBlockLength)
block_length = *(int32_t *) host_option->value;
#endif
// choose the lengthier...
if (buffer_size < block_length)
buffer_size = block_length;
}
}
drumkv1::setBufferSize(buffer_size);
lv2_atom_forge_init(&m_forge, m_urid_map);
const uint16_t nchannels = drumkv1::channels();
m_ins = new float * [nchannels];
m_outs = new float * [nchannels];
for (uint16_t k = 0; k < nchannels; ++k)
m_ins[k] = m_outs[k] = nullptr;
}
drumkv1_lv2::~drumkv1_lv2 (void)
{
delete [] m_outs;
delete [] m_ins;
}
void drumkv1_lv2::connect_port ( uint32_t port, void *data )
{
switch(PortIndex(port)) {
case MidiIn:
m_atom_in = (LV2_Atom_Sequence *) data;
break;
case Notify:
m_atom_out = (LV2_Atom_Sequence *) data;
break;
case AudioInL:
m_ins[0] = (float *) data;
break;
case AudioInR:
m_ins[1] = (float *) data;
break;
case AudioOutL:
m_outs[0] = (float *) data;
break;
case AudioOutR:
m_outs[1] = (float *) data;
break;
default:
drumkv1::setParamPort(drumkv1::ParamIndex(port - ParamBase), (float *) data);
break;
}
}
void drumkv1_lv2::run ( uint32_t nframes )
{
const uint16_t nchannels = drumkv1::channels();
float *ins[nchannels], *outs[nchannels];
for (uint16_t k = 0; k < nchannels; ++k) {
ins[k] = m_ins[k];
outs[k] = m_outs[k];
}
if (m_atom_out) {
const uint32_t capacity = m_atom_out->atom.size;
lv2_atom_forge_set_buffer(&m_forge, (uint8_t *) m_atom_out, capacity);
lv2_atom_forge_sequence_head(&m_forge, &m_notify_frame, 0);
}
uint32_t ndelta = 0;
if (m_atom_in) {
LV2_ATOM_SEQUENCE_FOREACH(m_atom_in, event) {
if (event == nullptr)
continue;
if (event->body.type == m_urids.midi_MidiEvent) {
uint8_t *data = (uint8_t *) LV2_ATOM_BODY(&event->body);
if (event->time.frames > ndelta) {
const uint32_t nread = event->time.frames - ndelta;
if (nread > 0) {
drumkv1::process(ins, outs, nread);
for (uint16_t k = 0; k < nchannels; ++k) {
ins[k] += nread;
outs[k] += nread;
}
}
}
ndelta = event->time.frames;
drumkv1::process_midi(data, event->body.size);
}
else
if (event->body.type == m_urids.atom_Blank ||
event->body.type == m_urids.atom_Object) {
const LV2_Atom_Object *object
= (LV2_Atom_Object *) &event->body;
if (object->body.otype == m_urids.time_Position) {
LV2_Atom *atom = nullptr;
lv2_atom_object_get(object,
m_urids.time_beatsPerMinute, &atom, nullptr);
if (atom && atom->type == m_urids.atom_Float) {
const float host_bpm = ((LV2_Atom_Float *) atom)->body;
if (::fabsf(host_bpm - drumkv1::tempo()) > 0.001f)
drumkv1::setTempo(host_bpm);
}
}
#ifdef CONFIG_LV2_PATCH
else
if (object->body.otype == m_urids.patch_Set) {
// set property value
const LV2_Atom *property = nullptr;
const LV2_Atom *value = nullptr;
lv2_atom_object_get(object,
m_urids.patch_property, &property,
m_urids.patch_value, &value, 0);
if (property && value && property->type == m_forge.URID) {
const uint32_t key = ((const LV2_Atom_URID *) property)->body;
const LV2_URID type = value->type;
if ((key == m_urids.p101_sample_file
#if 1//DRUMKV1_LV2_LEGACY
|| key == m_urids.gen1_sample
#endif
) && type == m_urids.atom_Path) {
if (m_schedule) {
drumkv1_lv2_worker_message mesg;
mesg.atom.type = key;
mesg.atom.size = sizeof(mesg.data.path);
mesg.data.path
= (const char *) LV2_ATOM_BODY_CONST(value);
// schedule loading new sample
m_schedule->schedule_work(
m_schedule->handle, sizeof(mesg), &mesg);
}
}
else
if ((key == m_urids.p102_offset_start
#if 1//DRUMKV1_LV2_LEGACY
|| key == m_urids.gen1_offset_start
#endif
) && type == m_urids.atom_Int) {
drumkv1_sample *pSample = drumkv1::sample();
if (pSample) {
const uint32_t offset_start
= *(int32_t *) LV2_ATOM_BODY_CONST(value);
const uint32_t offset_end
= pSample->offsetEnd();
setOffsetRange(offset_start, offset_end, true);
}
}
else
if ((key == m_urids.p103_offset_end
#if 1//DRUMKV1_LV2_LEGACY
|| key == m_urids.gen1_offset_end
#endif
) && type == m_urids.atom_Int) {
drumkv1_sample *pSample = drumkv1::sample();
if (pSample) {
const uint32_t offset_start
= pSample->offsetStart();
const uint32_t offset_end
= *(int32_t *) LV2_ATOM_BODY_CONST(value);
setOffsetRange(offset_start, offset_end, true);
}
}
else
if (key == m_urids.p201_tuning_enabled
&& type == m_urids.atom_Bool) {
const int32_t enabled
= *(int32_t *) LV2_ATOM_BODY_CONST(value);
drumkv1::setTuningEnabled(enabled > 0);
updateTuning();
}
else
if (key == m_urids.p202_tuning_refPitch
&& type == m_urids.atom_Float) {
const float refPitch
= *(float *) LV2_ATOM_BODY_CONST(value);
drumkv1::setTuningRefPitch(refPitch);
updateTuning();
}
else
if (key == m_urids.p203_tuning_refNote
&& type == m_urids.atom_Int) {
const int32_t refNote
= *(int32_t *) LV2_ATOM_BODY_CONST(value);
drumkv1::setTuningRefNote(refNote);
updateTuning();
}
else
if (key == m_urids.p204_tuning_scaleFile
&& type == m_urids.atom_Path) {
const char *scaleFile
= (const char *) LV2_ATOM_BODY_CONST(value);
drumkv1::setTuningScaleFile(scaleFile);
updateTuning();
}
else
if (key == m_urids.p205_tuning_keyMapFile
&& type == m_urids.atom_Path) {
const char *keyMapFile
= (const char *) LV2_ATOM_BODY_CONST(value);
drumkv1::setTuningKeyMapFile(keyMapFile);
updateTuning();
}
}
}
else
if (object->body.otype == m_urids.patch_Get) {
// get one or all property values (probably to UI)...
const LV2_Atom_URID *prop = nullptr;
lv2_atom_object_get(object,
m_urids.patch_property, (const LV2_Atom *) &prop, 0);
if (prop && prop->atom.type == m_forge.URID)
patch_get(prop->body);
else
patch_get(0); // all
}
#endif // CONFIG_LV2_PATCH
}
}
// remember last time for worker response
m_ndelta = ndelta;
// m_atom_in = nullptr;
}
if (nframes > ndelta)
drumkv1::process(ins, outs, nframes - ndelta);
// test for current element-key/sample changes
drumkv1::currentElementTest();
}
void drumkv1_lv2::activate (void)
{
drumkv1::reset();
}
void drumkv1_lv2::deactivate (void)
{
drumkv1::reset();
}
uint32_t drumkv1_lv2::urid_map ( const char *uri ) const
{
return (m_urid_map ? m_urid_map->map(m_urid_map->handle, uri) : 0);
}
//-------------------------------------------------------------------------
// drumkv1_lv2 - Instantiation and cleanup.
//
QApplication *drumkv1_lv2::g_qapp_instance = nullptr;
unsigned int drumkv1_lv2::g_qapp_refcount = 0;
void drumkv1_lv2::qapp_instantiate (void)
{
if (qApp == nullptr && g_qapp_instance == nullptr) {
static int s_argc = 1;
static const char *s_argv[] = { DRUMKV1_TITLE, nullptr };
#if defined(WIN32) || defined(_WIN32) || defined(__WIN32)
::_putenv_s("QT_NO_GLIB", "1"); // Avoid glib event-loop...
#else
::setenv("QT_NO_GLIB", "1", 1); // Avoid glib event-loop...
#endif
g_qapp_instance = new QApplication(s_argc, (char **) s_argv);
}
if (g_qapp_instance) ++g_qapp_refcount;
}
void drumkv1_lv2::qapp_cleanup (void)
{
if (g_qapp_instance && --g_qapp_refcount == 0) {
delete g_qapp_instance;
g_qapp_instance = nullptr;
}
}
QApplication *drumkv1_lv2::qapp_instance (void)
{
return g_qapp_instance;
}
//-------------------------------------------------------------------------
// drumkv1_lv2 - LV2 State interface.
//
static LV2_State_Status drumkv1_lv2_state_save ( LV2_Handle instance,
LV2_State_Store_Function store, LV2_State_Handle handle,
uint32_t flags, const LV2_Feature *const *features )
{
drumkv1_lv2 *pPlugin = static_cast<drumkv1_lv2 *> (instance);
if (pPlugin == nullptr)
return LV2_STATE_ERR_UNKNOWN;
// Save all state as XML chunk...
//
const uint32_t key = pPlugin->urid_map(DRUMKV1_LV2_PREFIX "state");
if (key == 0)
return LV2_STATE_ERR_NO_PROPERTY;
const uint32_t type = pPlugin->urid_map(LV2_ATOM__Chunk);
if (type == 0)
return LV2_STATE_ERR_BAD_TYPE;
#if 0
if ((flags & (LV2_STATE_IS_POD | LV2_STATE_IS_PORTABLE)) == 0)
return LV2_STATE_ERR_BAD_FLAGS;
#else
flags |= (LV2_STATE_IS_POD | LV2_STATE_IS_PORTABLE);
#endif
drumkv1_lv2_map_path mapPath(features);
QDomDocument doc(DRUMKV1_TITLE);
QDomElement eState = doc.createElement("state");
QDomElement eElements = doc.createElement("elements");
drumkv1_param::saveElements(pPlugin, doc, eElements, mapPath);
eState.appendChild(eElements);
if (pPlugin->isTuningEnabled()) {
QDomElement eTuning = doc.createElement("tuning");
drumkv1_param::saveTuning(pPlugin, doc, eTuning);
eState.appendChild(eTuning);
}
doc.appendChild(eState);
const QByteArray data(doc.toByteArray());
const char *value = data.constData();
size_t size = data.size();
return (*store)(handle, key, value, size, type, flags);
}
static LV2_State_Status drumkv1_lv2_state_restore ( LV2_Handle instance,
LV2_State_Retrieve_Function retrieve, LV2_State_Handle handle,
uint32_t flags, const LV2_Feature *const *features )
{
drumkv1_lv2 *pPlugin = static_cast<drumkv1_lv2 *> (instance);
if (pPlugin == nullptr)
return LV2_STATE_ERR_UNKNOWN;
// Retrieve all state as XML chunk...
//
const uint32_t key = pPlugin->urid_map(DRUMKV1_LV2_PREFIX "state");
if (key == 0)
return LV2_STATE_ERR_NO_PROPERTY;
const uint32_t chunk_type = pPlugin->urid_map(LV2_ATOM__Chunk);
if (chunk_type == 0)
return LV2_STATE_ERR_BAD_TYPE;
size_t size = 0;
uint32_t type = 0;
// flags = 0;
const char *value
= (const char *) (*retrieve)(handle, key, &size, &type, &flags);
if (size < 2)
return LV2_STATE_ERR_UNKNOWN;
if (type != chunk_type)
return LV2_STATE_ERR_BAD_TYPE;
if ((flags & (LV2_STATE_IS_POD | LV2_STATE_IS_PORTABLE)) == 0)
return LV2_STATE_ERR_BAD_FLAGS;
if (value == nullptr)
return LV2_STATE_ERR_UNKNOWN;
drumkv1_lv2_map_path mapPath(features);
QDomDocument doc(DRUMKV1_TITLE);
if (doc.setContent(QByteArray(value, size))) {
QDomElement eState = doc.documentElement();
#if 1//DRUMKV1_LV2_LEGACY
if (eState.tagName() == "elements")
drumkv1_param::loadElements(pPlugin, eState, mapPath);
else
#endif
if (eState.tagName() == "state") {
for (QDomNode nChild = eState.firstChild();
!nChild.isNull();
nChild = nChild.nextSibling()) {
QDomElement eChild = nChild.toElement();
if (eChild.isNull())
continue;
if (eChild.tagName() == "elements")
drumkv1_param::loadElements(pPlugin, eChild, mapPath);
else
if (eChild.tagName() == "tuning")
drumkv1_param::loadTuning(pPlugin, eChild);
}
}
}
pPlugin->reset();
drumkv1_sched::sync_notify(pPlugin, drumkv1_sched::Sample, 1);
return LV2_STATE_SUCCESS;
}
static const LV2_State_Interface drumkv1_lv2_state_interface =
{
drumkv1_lv2_state_save,
drumkv1_lv2_state_restore
};
#ifdef CONFIG_LV2_PROGRAMS
#include "drumkv1_programs.h"
const LV2_Program_Descriptor *drumkv1_lv2::get_program ( uint32_t index )
{
drumkv1_programs *pPrograms = drumkv1::programs();
const drumkv1_programs::Banks& banks = pPrograms->banks();
drumkv1_programs::Banks::ConstIterator bank_iter = banks.constBegin();
const drumkv1_programs::Banks::ConstIterator& bank_end = banks.constEnd();
for (uint32_t i = 0; bank_iter != bank_end; ++bank_iter) {
drumkv1_programs::Bank *pBank = bank_iter.value();
const drumkv1_programs::Progs& progs = pBank->progs();
drumkv1_programs::Progs::ConstIterator prog_iter = progs.constBegin();
const drumkv1_programs::Progs::ConstIterator& prog_end = progs.constEnd();
for ( ; prog_iter != prog_end; ++prog_iter, ++i) {
drumkv1_programs::Prog *pProg = prog_iter.value();
if (i >= index) {
m_aProgramName = pProg->name().toUtf8();
m_program.bank = pBank->id();
m_program.program = pProg->id();
m_program.name = m_aProgramName.constData();
return &m_program;
}
}
}
return nullptr;
}
void drumkv1_lv2::select_program ( uint32_t bank, uint32_t program )
{
drumkv1::programs()->select_program(bank, program);
}
#endif // CONFIG_LV2_PROGRAMS
void drumkv1_lv2::updatePreset ( bool /*bDirty*/ )
{
if (m_schedule /*&& bDirty*/) {
drumkv1_lv2_worker_message mesg;
mesg.atom.type = m_urids.state_StateChanged;
mesg.atom.size = 0; // nothing else matters.
m_schedule->schedule_work(
m_schedule->handle, sizeof(mesg), &mesg);
}
}
void drumkv1_lv2::updateParam ( drumkv1::ParamIndex index )
{
#ifdef CONFIG_LV2_PORT_EVENT
if (m_schedule) {
drumkv1_lv2_worker_message mesg;
mesg.atom.type = m_urids.atom_PortEvent;
mesg.atom.size = sizeof(mesg.data.key);
mesg.data.key = uint32_t(index);
m_schedule->schedule_work(
m_schedule->handle, sizeof(mesg), &mesg);
}
#else
(void) index; // STFU dang compiler!
#endif
}
void drumkv1_lv2::updateParams (void)
{
#ifdef CONFIG_LV2_PORT_EVENT
if (m_schedule) {
drumkv1_lv2_worker_message mesg;
mesg.atom.type = m_urids.atom_PortEvent;
mesg.atom.size = 0; // nothing else matters.
m_schedule->schedule_work(
m_schedule->handle, sizeof(mesg), &mesg);
}
#endif
}
void drumkv1_lv2::updateSample (void)
{
if (m_schedule) {
drumkv1_lv2_worker_message mesg;
mesg.atom.type = m_urids.gen1_update;
mesg.atom.size = 0; // nothing else matters.
m_schedule->schedule_work(
m_schedule->handle, sizeof(mesg), &mesg);
}
}
void drumkv1_lv2::updateOffsetRange (void)
{
if (m_schedule) {
drumkv1_lv2_worker_message mesg;
mesg.atom.type = m_urids.p102_offset_start;
mesg.atom.size = 0; // nothing else matters.
m_schedule->schedule_work(
m_schedule->handle, sizeof(mesg), &mesg);
mesg.atom.type = m_urids.p103_offset_end;
m_schedule->schedule_work(
m_schedule->handle, sizeof(mesg), &mesg);
}
}
void drumkv1_lv2::selectSample ( int key )
{
if (m_schedule) {
drumkv1_lv2_worker_message mesg;
mesg.atom.type = m_urids.gen1_select;
mesg.atom.size = sizeof(mesg.data.key);
mesg.data.key = key;
m_schedule->schedule_work(
m_schedule->handle, sizeof(mesg), &mesg);
}
}
void drumkv1_lv2::updateTuning (void)
{
if (m_schedule) {
drumkv1_lv2_worker_message mesg;
mesg.atom.type = m_urids.tun1_update;
mesg.atom.size = 0; // nothing else matters.
m_schedule->schedule_work(
m_schedule->handle, sizeof(mesg), &mesg);
}
}
bool drumkv1_lv2::worker_work ( const void *data, uint32_t size )
{
if (size != sizeof(drumkv1_lv2_worker_message))
return false;
const drumkv1_lv2_worker_message *mesg
= (const drumkv1_lv2_worker_message *) data;
if (mesg->atom.type == m_urids.gen1_select)
drumkv1::setCurrentElementEx(mesg->data.key);
else
if (mesg->atom.type == m_urids.p101_sample_file) {
const int key = drumkv1::currentElement();
if (drumkv1::element(key) == nullptr) {
drumkv1::addElement(key);
drumkv1::setCurrentElementEx(key);
}
drumkv1::setSampleFile(mesg->data.path);
}
else
if (mesg->atom.type == m_urids.tun1_update)
drumkv1::resetTuning();
return true;
}
bool drumkv1_lv2::worker_response ( const void *data, uint32_t size )
{
if (size != sizeof(drumkv1_lv2_worker_message))
return false;
const drumkv1_lv2_worker_message *mesg
= (const drumkv1_lv2_worker_message *) data;
#ifdef CONFIG_LV2_PORT_EVENT
if (mesg->atom.type == m_urids.atom_PortEvent) {
if (mesg->atom.size > 0)
return port_event(drumkv1::ParamIndex(mesg->data.key));
else
return port_events(drumkv1::NUM_PARAMS);
}
else
if (mesg->atom.type == m_urids.gen1_select)
port_events(drumkv1::NUM_ELEMENT_PARAMS);
else
#endif
if (mesg->atom.type == m_urids.state_StateChanged)
return state_changed();
// update all properties, and eventually, any observers...
drumkv1_sched::sync_notify(this, drumkv1_sched::Sample, 0);
#ifdef CONFIG_LV2_PATCH
return patch_get(mesg->atom.type);
#else
return true;
#endif
}
bool drumkv1_lv2::state_changed (void)
{
lv2_atom_forge_frame_time(&m_forge, m_ndelta);
LV2_Atom_Forge_Frame frame;
lv2_atom_forge_object(&m_forge, &frame, 0, m_urids.state_StateChanged);
lv2_atom_forge_pop(&m_forge, &frame);
return true;
}
#ifdef CONFIG_LV2_PATCH
bool drumkv1_lv2::patch_set ( LV2_URID key )
{
static char s_szNull[1] = {'\0'};
drumkv1_sample *pSample = drumkv1::sample();
if (pSample == nullptr)
return false;
lv2_atom_forge_frame_time(&m_forge, m_ndelta);
LV2_Atom_Forge_Frame patch_frame;
lv2_atom_forge_object(&m_forge, &patch_frame, 0, m_urids.patch_Set);
lv2_atom_forge_key(&m_forge, m_urids.patch_property);
lv2_atom_forge_urid(&m_forge, key);
lv2_atom_forge_key(&m_forge, m_urids.patch_value);
if (key == m_urids.p101_sample_file) {
const char *pszSampleFile = pSample->filename();
if (pszSampleFile == nullptr)
pszSampleFile = s_szNull;
lv2_atom_forge_path(&m_forge, pszSampleFile, ::strlen(pszSampleFile) + 1);
}
else
if (key == m_urids.p102_offset_start)
lv2_atom_forge_int(&m_forge, (pSample ? pSample->offsetStart() : 0));
else
if (key == m_urids.p103_offset_end)
lv2_atom_forge_int(&m_forge, (pSample ? pSample->offsetEnd() : 0));
else
if (key == m_urids.p201_tuning_enabled)
lv2_atom_forge_bool(&m_forge, drumkv1::isTuningEnabled());
else
if (key == m_urids.p202_tuning_refPitch)
lv2_atom_forge_float(&m_forge, drumkv1::tuningRefPitch());
else
if (key == m_urids.p203_tuning_refNote)
lv2_atom_forge_int(&m_forge, drumkv1::tuningRefNote());
else
if (key == m_urids.p204_tuning_scaleFile) {
const char *pszScaleFile = drumkv1::tuningScaleFile();
if (pszScaleFile == nullptr)
pszScaleFile = s_szNull;
lv2_atom_forge_path(&m_forge, pszScaleFile, ::strlen(pszScaleFile) + 1);
}
else
if (key == m_urids.p205_tuning_keyMapFile) {
const char *pszKeyMapFile = drumkv1::tuningKeyMapFile();
if (pszKeyMapFile == nullptr)
pszKeyMapFile = s_szNull;
lv2_atom_forge_path(&m_forge, pszKeyMapFile, ::strlen(pszKeyMapFile) + 1);
}
lv2_atom_forge_pop(&m_forge, &patch_frame);
return true;
}
bool drumkv1_lv2::patch_get ( LV2_URID key )
{
if (key == 0 || key == m_urids.gen1_update || key == m_urids.gen1_select) {
patch_set(m_urids.p101_sample_file);
patch_set(m_urids.p102_offset_start);
patch_set(m_urids.p103_offset_end);
if (key) return true;
}
if (key == 0 || key == m_urids.tun1_update) {
patch_set(m_urids.p201_tuning_enabled);
patch_set(m_urids.p202_tuning_refPitch);
patch_set(m_urids.p203_tuning_refNote);
patch_set(m_urids.p204_tuning_scaleFile);
patch_set(m_urids.p205_tuning_keyMapFile);
if (key) return true;
}
if (key) patch_set(key);
return true;
}
#endif // CONFIG_LV2_PATCH
#ifdef CONFIG_LV2_PORT_EVENT
bool drumkv1_lv2::port_event ( drumkv1::ParamIndex index )
{
lv2_atom_forge_frame_time(&m_forge, m_ndelta);
LV2_Atom_Forge_Frame obj_frame;
lv2_atom_forge_object(&m_forge, &obj_frame, 0, m_urids.atom_PortEvent);
lv2_atom_forge_key(&m_forge, m_urids.atom_portTuple);
LV2_Atom_Forge_Frame tup_frame;
lv2_atom_forge_tuple(&m_forge, &tup_frame);
lv2_atom_forge_int(&m_forge, int32_t(ParamBase + index));
lv2_atom_forge_float(&m_forge, drumkv1::paramValue(index));
lv2_atom_forge_pop(&m_forge, &tup_frame);
lv2_atom_forge_pop(&m_forge, &obj_frame);
return true;
}
bool drumkv1_lv2::port_events ( uint32_t nparams )
{
lv2_atom_forge_frame_time(&m_forge, m_ndelta);