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audacia/src/effects/lv2/LV2Effect.cpp

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/**********************************************************************
Audacity: A Digital Audio Editor
LV2Effect.cpp
Audacity(R) is copyright (c) 1999-2008 Audacity Team.
License: GPL v2. See License.txt.
**********************************************************************/
#include "../../Audacity.h"
#if defined(USE_LV2)
#if defined(__WXMSW__)
#include <float.h>
#define isfinite _finite
#define isnan _isnan
#endif
#include <wx/button.h>
#include <wx/choice.h>
#include <wx/dcbuffer.h>
#include <wx/dialog.h>
#include <wx/dynarray.h>
#include <wx/msgdlg.h>
#include <wx/sizer.h>
#include <wx/statbox.h>
#include <wx/tokenzr.h>
#include <wx/intl.h>
#include <wx/scrolwin.h>
#include "LoadLV2.h"
#include "LV2Effect.h"
#include "../../Internat.h"
#include "../../ShuttleGui.h"
#include "../../widgets/valnum.h"
#include "lilv/lilv.h"
#include "suil/suil.h"
#include "lv2/lv2plug.in/ns/ext/instance-access/instance-access.h"
#include "lv2/lv2plug.in/ns/ext/port-groups/port-groups.h"
#include "lv2/lv2plug.in/ns/ext/buf-size/buf-size.h"
#include "lv2/lv2plug.in/ns/ext/parameters/parameters.h"
#include "lv2/lv2plug.in/ns/extensions/ui/ui.h"
#if defined(__WXGTK__)
#include <gtk/gtk.h>
#include "win_gtk.h"
#endif
#if defined(__WXMSW__)
#include <wx/msw/wrapwin.h>
#endif
#if defined(__WXMAC__)
#include <AppKit/AppKit.h>
#endif
// Define the static URI nodes
#undef URI
#define URI(n, u) LilvNode *LV2Effect::n = NULL;
URILIST
///////////////////////////////////////////////////////////////////////////////
//
// LV2EffectMeter
//
///////////////////////////////////////////////////////////////////////////////
class LV2EffectMeter : public wxWindow
{
public:
LV2EffectMeter(wxWindow *parent, const LV2Port & ctrl);
virtual ~LV2EffectMeter();
private:
void OnErase(wxEraseEvent & evt);
void OnPaint(wxPaintEvent & evt);
void OnIdle(wxIdleEvent & evt);
void OnSize(wxSizeEvent & evt);
private:
const LV2Port & mCtrl;
float mLastValue;
DECLARE_EVENT_TABLE();
};
BEGIN_EVENT_TABLE(LV2EffectMeter, wxWindow)
EVT_IDLE(LV2EffectMeter::OnIdle)
EVT_ERASE_BACKGROUND(LV2EffectMeter::OnErase)
EVT_PAINT(LV2EffectMeter::OnPaint)
EVT_SIZE(LV2EffectMeter::OnSize)
END_EVENT_TABLE()
LV2EffectMeter::LV2EffectMeter(wxWindow *parent, const LV2Port & ctrl)
: wxWindow(parent, wxID_ANY, wxDefaultPosition, wxDefaultSize, wxDEFAULT_CONTROL_BORDER),
mCtrl(ctrl)
{
mLastValue = -mCtrl.mVal;
SetBackgroundColour(*wxWHITE);
}
LV2EffectMeter::~LV2EffectMeter()
{
}
void LV2EffectMeter::OnIdle(wxIdleEvent & WXUNUSED(evt))
{
if (mLastValue != mCtrl.mVal)
{
Refresh(false);
}
}
void LV2EffectMeter::OnErase(wxEraseEvent & WXUNUSED(evt))
{
// Just ignore it to prevent flashing
}
void LV2EffectMeter::OnPaint(wxPaintEvent & WXUNUSED(evt))
{
wxDC *dc = wxAutoBufferedPaintDCFactory(this);
// Cache some metrics
wxRect r = GetClientRect();
wxCoord x = r.GetLeft();
wxCoord y = r.GetTop();
wxCoord w = r.GetWidth();
wxCoord h = r.GetHeight();
// These use unscaled value, min, and max
float val = mCtrl.mVal;
if (val > mCtrl.mMax)
{
val = mCtrl.mMax;
}
if (val < mCtrl.mMin)
{
val = mCtrl.mMin;
}
val -= mCtrl.mMin;
// Setup for erasing the background
dc->SetPen(*wxTRANSPARENT_PEN);
dc->SetBrush(wxColour(100, 100, 220));
dc->Clear();
dc->DrawRectangle(x, y, (w * (val / fabs(mCtrl.mMax - mCtrl.mMin))), h);
mLastValue = mCtrl.mVal;
delete dc;
}
void LV2EffectMeter::OnSize(wxSizeEvent & WXUNUSED(evt))
{
Refresh(false);
}
///////////////////////////////////////////////////////////////////////////////
//
// LV2EffectSettingsDialog
//
///////////////////////////////////////////////////////////////////////////////
class LV2EffectSettingsDialog : public wxDialog
{
public:
LV2EffectSettingsDialog(wxWindow *parent, LV2Effect *effect);
virtual ~LV2EffectSettingsDialog();
void PopulateOrExchange(ShuttleGui & S);
void OnOk(wxCommandEvent & evt);
private:
LV2Effect *mEffect;
bool mUseLatency;
bool mUseGUI;
DECLARE_EVENT_TABLE();
};
BEGIN_EVENT_TABLE(LV2EffectSettingsDialog, wxDialog)
EVT_BUTTON(wxID_OK, LV2EffectSettingsDialog::OnOk)
END_EVENT_TABLE()
LV2EffectSettingsDialog::LV2EffectSettingsDialog(wxWindow *parent, LV2Effect *effect)
: wxDialog(parent, wxID_ANY, wxString(_("LV2 Effect Settings")))
{
mEffect = effect;
mEffect->mHost->GetSharedConfig(wxT("Settings"), wxT("UseLatency"), mUseLatency, true);
mEffect->mHost->GetSharedConfig(wxT("Settings"), wxT("UseGUI"), mUseGUI, true);
ShuttleGui S(this, eIsCreating);
PopulateOrExchange(S);
}
LV2EffectSettingsDialog::~LV2EffectSettingsDialog()
{
}
void LV2EffectSettingsDialog::PopulateOrExchange(ShuttleGui & S)
{
S.SetBorder(5);
S.StartHorizontalLay(wxEXPAND, 1);
{
S.StartVerticalLay(false);
{
S.StartStatic(_("Latency Compensation"));
{
S.AddVariableText(wxString() +
_("As part of their processing, some LV2 effects must delay returning ") +
_("audio to Audacity. When not compensating for this delay, you will ") +
_("notice that small silences have been inserted into the audio. ") +
_("Enabling this setting will provide that compensation, but it may ") +
_("not work for all LV2 effects."))->Wrap(650);
S.StartHorizontalLay(wxALIGN_LEFT);
{
S.TieCheckBox(_("Enable &compensation"),
mUseLatency);
}
S.EndHorizontalLay();
}
S.EndStatic();
S.StartStatic(_("Graphical Mode"));
{
S.AddVariableText(wxString() +
_("LV2 effects can have a graphical interface for setting parameter values.") +
_(" A basic text-only method is also available. ") +
_(" Reopen the effect for this to take effect."))->Wrap(650);
S.TieCheckBox(_("Enable &graphical interface"),
mUseGUI);
}
S.EndStatic();
}
S.EndVerticalLay();
}
S.EndHorizontalLay();
S.AddStandardButtons();
Layout();
Fit();
Center();
}
void LV2EffectSettingsDialog::OnOk(wxCommandEvent & WXUNUSED(evt))
{
if (!Validate())
{
return;
}
ShuttleGui S(this, eIsGettingFromDialog);
PopulateOrExchange(S);
mEffect->mHost->SetSharedConfig(wxT("Settings"), wxT("UseLatency"), mUseLatency);
mEffect->mHost->SetSharedConfig(wxT("Settings"), wxT("UseGUI"), mUseGUI);
EndModal(wxID_OK);
}
///////////////////////////////////////////////////////////////////////////////
//
// LV2Effect
//
///////////////////////////////////////////////////////////////////////////////
enum
{
ID_Duration = 10000,
ID_Triggers = 11000,
ID_Toggles = 12000,
ID_Sliders = 13000,
ID_Choices = 14000,
ID_Texts = 15000,
};
BEGIN_EVENT_TABLE(LV2Effect, wxEvtHandler)
EVT_COMMAND_RANGE(ID_Triggers, ID_Triggers + 999, wxEVT_COMMAND_BUTTON_CLICKED, LV2Effect::OnTrigger)
EVT_COMMAND_RANGE(ID_Toggles, ID_Toggles + 999, wxEVT_COMMAND_CHECKBOX_CLICKED, LV2Effect::OnToggle)
EVT_COMMAND_RANGE(ID_Sliders, ID_Sliders + 999, wxEVT_COMMAND_SLIDER_UPDATED, LV2Effect::OnSlider)
EVT_COMMAND_RANGE(ID_Choices, ID_Choices + 999, wxEVT_COMMAND_CHOICE_SELECTED, LV2Effect::OnChoice)
EVT_COMMAND_RANGE(ID_Texts, ID_Texts + 999, wxEVT_COMMAND_TEXT_UPDATED, LV2Effect::OnText)
EVT_IDLE(LV2Effect::OnIdle)
END_EVENT_TABLE()
#include <wx/arrimpl.cpp>
WX_DEFINE_OBJARRAY(LV2PortArray);
LV2Effect::LV2Effect(const LilvPlugin *plug)
{
mPlug = plug;
mHost = NULL;
mMaster = NULL;
mProcess = NULL;
mSuilInstance = NULL;
mSampleRate = 44100;
mBlockSize = 512;
mLatencyPort = -1;
mLatencyDone = false;
mLatency = 0.0;
mDialog = NULL;
mSliders = NULL;
mFields = NULL;
mURIMap = NULL;
mNumURIMap = 0;
mOptions = NULL;
mNumOptions = 0;
mFeatures = NULL;
mNumFeatures = 0;
mIdleFeature = NULL;
mOptionsInterface = NULL;
mFactoryPresetsLoaded = false;
}
LV2Effect::~LV2Effect()
{
if (mURIMap)
{
for (int i = 0; i < mNumURIMap; i++)
{
free(mURIMap[i]);
}
free(mURIMap);
}
if (mFeatures)
{
for (int i = 0; mFeatures[i] != NULL; i++)
{
delete mFeatures[i];
}
free(mFeatures);
}
if (mOptions)
{
free(mOptions);
}
}
// ============================================================================
// IdentInterface Implementation
// ============================================================================
wxString LV2Effect::GetPath()
{
return LilvString(lilv_plugin_get_uri(mPlug));
}
wxString LV2Effect::GetSymbol()
{
return LilvString(lilv_plugin_get_name(mPlug), true);
}
wxString LV2Effect::GetName()
{
return GetSymbol();
}
wxString LV2Effect::GetVendor()
{
wxString vendor = LilvString(lilv_plugin_get_author_name(mPlug), true);
if (vendor.IsEmpty())
{
vendor = XO("N/A");
}
return vendor;
}
wxString LV2Effect::GetVersion()
{
return wxT("1.0");
}
wxString LV2Effect::GetDescription()
{
return XO("N/A");
}
// ============================================================================
// EffectIdentInterface Implementation
// ============================================================================
EffectType LV2Effect::GetType()
{
if (GetAudioInCount() == 0 && GetAudioOutCount() == 0)
{
return EffectTypeNone;
}
if (GetAudioInCount() == 0)
{
return EffectTypeGenerate;
}
if (GetAudioOutCount() == 0)
{
return EffectTypeAnalyze;
}
return EffectTypeProcess;
}
wxString LV2Effect::GetFamily()
{
return LV2EFFECTS_FAMILY;
}
bool LV2Effect::IsInteractive()
{
return mControls.GetCount() != 0;
}
bool LV2Effect::IsDefault()
{
return false;
}
bool LV2Effect::IsLegacy()
{
return false;
}
bool LV2Effect::SupportsRealtime()
{
return GetType() == EffectTypeProcess;
}
bool LV2Effect::SupportsAutomation()
{
return true;
}
// ============================================================================
// EffectClientInterface Implementation
// ============================================================================
bool LV2Effect::SetHost(EffectHostInterface *host)
{
mHost = host;
int numPorts = lilv_plugin_get_num_ports(mPlug);
// Fail if we don't grok the port types
for (int i = 0; i < numPorts; i++)
{
const LilvPort *port = lilv_plugin_get_port_by_index(mPlug, i);
if (!lilv_port_is_a(mPlug, port, gAudio) &&
!lilv_port_is_a(mPlug, port, gControl))
{
return false;
}
}
// Allocate buffers for the port indices and the default control values
float *minimumVals = new float [numPorts];
float *maximumVals = new float [numPorts];
float *defaultValues = new float [numPorts];
// Retrieve the port ranges for all ports (some values may be NaN)
lilv_plugin_get_port_ranges_float(mPlug,
minimumVals,
maximumVals,
defaultValues);
// Get info about all ports
for (int i = 0; i < numPorts; i++)
{
const LilvPort *port = lilv_plugin_get_port_by_index(mPlug, i);
int index = lilv_port_get_index(mPlug, port);
// Quick check for audio ports
if (lilv_port_is_a(mPlug, port, gAudio))
{
if (lilv_port_is_a(mPlug, port, gInput))
{
mAudioInputs.Add(index);
}
else if (lilv_port_is_a(mPlug, port, gOutput))
{
mAudioOutputs.Add(index);
}
continue;
}
// Only control ports from this point
if (!lilv_port_is_a(mPlug, port, gControl))
{
continue;
}
LV2Port ctrl;
ctrl.mIndex = index;
// Get the port name
ctrl.mSymbol = LilvString(lilv_port_get_symbol(mPlug, port));
LilvNode *tmpName = lilv_port_get_name(mPlug, port);
ctrl.mName = LilvString(tmpName);
lilv_node_free(tmpName);
// Get any unit descriptor
LilvNode *unit = lilv_port_get(mPlug, port, gUnit);
if (unit)
{
ctrl.mUnits = LilvString(lilv_world_get(gWorld, unit, gUnitSymbol, NULL));
}
// Get the group to which this port belongs or default to the main group
ctrl.mGroup = wxEmptyString;
LilvNode *group = lilv_port_get(mPlug, port, gGroup);
if (group)
{
ctrl.mGroup = LilvString(lilv_world_get(gWorld, group, gLabel, NULL));
if (ctrl.mGroup.IsEmpty())
{
ctrl.mGroup = LilvString(lilv_world_get(gWorld, group, gName, NULL));
}
if (ctrl.mGroup.IsEmpty())
{
ctrl.mGroup = LilvString(group);
}
}
// Add it if not previously done
if (mGroups.Index(ctrl.mGroup) == wxNOT_FOUND)
{
mGroups.Add(ctrl.mGroup);
}
// Get the scale points
LilvScalePoints *points = lilv_port_get_scale_points(mPlug, port);
LILV_FOREACH(scale_points, j, points)
{
const LilvScalePoint *point = lilv_scale_points_get(points, j);
ctrl.mScaleValues.Add(lilv_node_as_float(lilv_scale_point_get_value(point)));
ctrl.mScaleLabels.Add(LilvString(lilv_scale_point_get_label(point)));
}
lilv_scale_points_free(points);
// Collect the value and range info
ctrl.mHasLo = !isnan(minimumVals[i]);
ctrl.mHasHi = !isnan(maximumVals[i]);
ctrl.mMin = ctrl.mHasLo ? minimumVals[i] : 0.0;
ctrl.mMax = ctrl.mHasHi ? maximumVals[i] : 1.0;
ctrl.mLo = ctrl.mMin;
ctrl.mHi = ctrl.mMax;
ctrl.mDef = !isnan(defaultValues[i]) ?
defaultValues[i] :
ctrl.mHasLo ?
ctrl.mLo :
ctrl.mHasHi ?
ctrl.mHi :
0.0;
ctrl.mVal = ctrl.mDef;
// Figure out the type of port we have
if (lilv_port_is_a(mPlug, port, gInput))
{
ctrl.mInput = true;
if (lilv_port_has_property(mPlug, port, gToggled))
{
ctrl.mToggle = true;
}
else if (lilv_port_has_property(mPlug, port, gEnumeration))
{
ctrl.mEnumeration = true;
}
else if (lilv_port_has_property(mPlug, port, gInteger))
{
ctrl.mInteger = true;
}
else if (lilv_port_has_property(mPlug, port, gSampleRate))
{
ctrl.mSampleRate = true;
}
// Trigger properties can be combined with other types, but it
// seems mostly to be combined with toggle. So, we turn the
// checkbox into a button.
if (lilv_port_has_property(mPlug, port, gTrigger))
{
ctrl.mTrigger = true;
}
// We'll make the slider logarithmic
if (lilv_port_has_property(mPlug, port, gLogarithmic))
{
ctrl.mLogarithmic = true;
}
if (lilv_port_has_property(mPlug, port, gEnumeration))
{
ctrl.mEnumeration = true;
}
mControlsMap[ctrl.mIndex] = mControls.GetCount();
mGroupMap[ctrl.mGroup].Add(mControls.GetCount());
mControls.Add(ctrl);
}
else if (lilv_port_is_a(mPlug, port, gOutput))
{
ctrl.mInput = false;
if (lilv_port_has_property(mPlug, port, gLatency))
{
mLatencyPort = i;
}
else
{
mGroupMap[ctrl.mGroup].Add(mControls.GetCount());
mControls.Add(ctrl);
}
}
else
{
// Just ignore it for now
}
}
delete [] minimumVals;
delete [] maximumVals;
delete [] defaultValues;
// mHost will be null during registration
if (mHost)
{
mHost->GetSharedConfig(wxT("Settings"), wxT("UseLatency"), mUseLatency, true);
mHost->GetSharedConfig(wxT("Settings"), wxT("UseGUI"), mUseGUI, true);
bool haveDefaults;
mHost->GetPrivateConfig(mHost->GetFactoryDefaultsGroup(), wxT("Initialized"), haveDefaults, false);
if (!haveDefaults)
{
SaveParameters(mHost->GetFactoryDefaultsGroup());
mHost->SetPrivateConfig(mHost->GetFactoryDefaultsGroup(), wxT("Initialized"), true);
}
LoadParameters(mHost->GetCurrentSettingsGroup());
}
AddOption(LV2_BUF_SIZE__minBlockLength,
sizeof(mBlockSize),
LV2_ATOM__Int,
&mBlockSize);
mBlockSizeOption = AddOption(LV2_BUF_SIZE__maxBlockLength,
sizeof(mBlockSize),
LV2_ATOM__Int,
&mBlockSize);
mSampleRateOption = AddOption(LV2_CORE__sampleRate,
sizeof(mSampleRate),
LV2_ATOM__Double,
&mSampleRate);
AddOption(NULL, 0, NULL, NULL);
mUriMapFeature.callback_data = this;
mUriMapFeature.uri_to_id = LV2Effect::uri_to_id;
mURIDMapFeature.handle = this;
mURIDMapFeature.map = LV2Effect::urid_map;
mURIDUnmapFeature.handle = this;
mURIDUnmapFeature.unmap = LV2Effect::urid_unmap;
mUIResizeFeature.handle = this;
mUIResizeFeature.ui_resize = LV2Effect::ui_resize;
AddFeature(LV2_UI_PREFIX "makeResident", NULL);
AddFeature(LV2_UI__noUserResize, NULL);
AddFeature(LV2_BUF_SIZE__boundedBlockLength, NULL);
AddFeature(LV2_OPTIONS__options, mOptions);
AddFeature(LV2_URI_MAP_URI, &mUriMapFeature);
AddFeature(LV2_URID__map, &mURIDMapFeature);
AddFeature(LV2_URID__unmap, &mURIDUnmapFeature);
AddFeature(LV2_UI__resize, &mUIResizeFeature);
AddFeature(LV2_DATA_ACCESS_URI, &mExtDataFeature);
mInstanceAccessFeature = AddFeature(LV2_INSTANCE_ACCESS_URI, NULL);
mParentFeature = AddFeature(LV2_UI__parent, NULL);
AddFeature(NULL, NULL);
return true;
}
int LV2Effect::GetAudioInCount()
{
return (int) mAudioInputs.GetCount();
}
int LV2Effect::GetAudioOutCount()
{
return (int) mAudioOutputs.GetCount();
}
int LV2Effect::GetMidiInCount()
{
return 0;
}
int LV2Effect::GetMidiOutCount()
{
return 0;
}
void LV2Effect::SetSampleRate(sampleCount rate)
{
mSampleRate = (double) rate;
if (mOptionsInterface && mOptionsInterface->set)
{
LV2_Options_Option options[2]; // 2 for empty terminating option
memset(&options, 0, sizeof(options));
memcpy(&options, mSampleRateOption, sizeof(*mSampleRateOption));
if (mMaster)
{
mOptionsInterface->set(lilv_instance_get_handle(mMaster), options);
}
for (size_t i = 0, cnt = mSlaves.GetCount(); i < cnt; i++)
{
mOptionsInterface->set(lilv_instance_get_handle(mSlaves[i]), options);
}
}
}
sampleCount LV2Effect::SetBlockSize(sampleCount maxBlockSize)
{
mBlockSize = (int) maxBlockSize;
if (mOptionsInterface && mOptionsInterface->set)
{
LV2_Options_Option options[2]; // 2 for empty terminating option
memset(&options, 0, sizeof(options));
memcpy(&options, mBlockSizeOption, sizeof(*mBlockSizeOption));
if (mMaster)
{
mOptionsInterface->set(lilv_instance_get_handle(mMaster), options);
}
for (size_t i = 0, cnt = mSlaves.GetCount(); i < cnt; i++)
{
mOptionsInterface->set(lilv_instance_get_handle(mSlaves[i]), options);
}
}
return mBlockSize;
}
sampleCount LV2Effect::GetLatency()
{
if (mUseLatency && mLatencyPort >= 0 && !mLatencyDone)
{
mLatencyDone = true;
return mLatency;
}
return 0;
}
sampleCount LV2Effect::GetTailSize()
{
return 0;
}
bool LV2Effect::IsReady()
{
return mMaster != NULL;
}
bool LV2Effect::ProcessInitialize(sampleCount WXUNUSED(totalLen), ChannelNames WXUNUSED(chanMap))
{
mProcess = InitInstance(mSampleRate);
if (!mProcess)
{
return false;
}
lilv_instance_activate(mProcess);
mLatencyDone = false;
return true;
}
bool LV2Effect::ProcessFinalize()
{
if (mProcess)
{
lilv_instance_deactivate(mProcess);
FreeInstance(mProcess);
mProcess = NULL;
}
return true;
}
sampleCount LV2Effect::ProcessBlock(float **inbuf, float **outbuf, sampleCount size)
{
for (size_t p = 0, cnt = mAudioInputs.GetCount(); p < cnt; p++)
{
lilv_instance_connect_port(mProcess, mAudioInputs[p], inbuf[p]);
}
for (size_t p = 0, cnt = mAudioOutputs.GetCount(); p < cnt; p++)
{
lilv_instance_connect_port(mProcess, mAudioOutputs[p], outbuf[p]);
}
lilv_instance_run(mProcess, size);
return size;
}
bool LV2Effect::RealtimeInitialize()
{
mMasterIn = new float *[mAudioInputs.GetCount()];
for (size_t p = 0, cnt = mAudioInputs.GetCount(); p < cnt; p++)
{
mMasterIn[p] = new float[mBlockSize];
lilv_instance_connect_port(mMaster, mAudioInputs[p], mMasterIn[p]);
}
mMasterOut = new float *[mAudioOutputs.GetCount()];
for (size_t p = 0, cnt = mAudioOutputs.GetCount(); p < cnt; p++)
{
mMasterOut[p] = new float[mBlockSize];
lilv_instance_connect_port(mMaster, mAudioOutputs[p], mMasterOut[p]);
}
lilv_instance_activate(mMaster);
return true;
}
bool LV2Effect::RealtimeFinalize()
{
for (size_t i = 0, cnt = mSlaves.GetCount(); i < cnt; i++)
{
lilv_instance_deactivate(mSlaves[i]);
FreeInstance(mSlaves[i]);
}
mSlaves.Clear();
lilv_instance_deactivate(mMaster);
for (size_t p = 0, cnt = mAudioInputs.GetCount(); p < cnt; p++)
{
delete [] mMasterIn[p];
}
delete [] mMasterIn;
for (size_t p = 0, cnt = mAudioOutputs.GetCount(); p < cnt; p++)
{
delete [] mMasterOut[p];
}
delete [] mMasterOut;
return true;
}
bool LV2Effect::RealtimeSuspend()
{
return true;
}
bool LV2Effect::RealtimeResume()
{
return true;
}
bool LV2Effect::RealtimeProcessStart()
{
for (size_t p = 0, cnt = mAudioInputs.GetCount(); p < cnt; p++)
{
memset(mMasterIn[p], 0, mBlockSize * sizeof(float));
}
mNumSamples = 0;
return true;
}
sampleCount LV2Effect::RealtimeProcess(int group,
float **inbuf,
float **outbuf,
sampleCount numSamples)
{
wxASSERT(group >= 0 && group < (int) mSlaves.GetCount());
wxASSERT(numSamples <= mBlockSize);
if (group < 0 || group >= (int) mSlaves.GetCount())
{
return 0;
}
for (size_t p = 0, cnt = mAudioInputs.GetCount(); p < cnt; p++)
{
for (sampleCount s = 0; s < numSamples; s++)
{
mMasterIn[p][s] += inbuf[p][s];
}
}
mNumSamples = wxMax(numSamples, mNumSamples);
LilvInstance *slave = mSlaves[group];
for (size_t p = 0, cnt = mAudioInputs.GetCount(); p < cnt; p++)
{
lilv_instance_connect_port(slave, mAudioInputs[p], inbuf[p]);
}
for (size_t p = 0, cnt = mAudioOutputs.GetCount(); p < cnt; p++)
{
lilv_instance_connect_port(slave, mAudioOutputs[p], outbuf[p]);
}
lilv_instance_run(slave, numSamples);
return numSamples;
}
bool LV2Effect::RealtimeAddProcessor(int WXUNUSED(numChannels), float sampleRate)
{
LilvInstance *slave = InitInstance(sampleRate);
if (!slave)
{
return false;
}
lilv_instance_activate(slave);
mSlaves.Add(slave);
return true;
}
bool LV2Effect::RealtimeProcessEnd()
{
lilv_instance_run(mMaster, mNumSamples);
return true;
}
bool LV2Effect::ShowInterface(wxWindow *parent, bool forceModal)
{
if (mDialog)
{
mDialog->Close(true);
return false;
}
mDialog = mHost->CreateUI(parent, this);
if (!mDialog)
{
return false;
}
// Try to give the window a sensible default/minimum size
mDialog->Layout();
mDialog->Fit();
mDialog->SetMinSize(mDialog->GetSize());
if ((SupportsRealtime() || GetType() == EffectTypeAnalyze) && !forceModal)
{
mDialog->Show();
return false;
}
bool res = mDialog->ShowModal() != 0;
mDialog = NULL;
return res;
}
bool LV2Effect::GetAutomationParameters(EffectAutomationParameters & parms)
{
for (size_t p = 0, cnt = mControls.GetCount(); p < cnt; p++)
{
if (mControls[p].mInput)
{
if (!parms.Write(mControls[p].mName, mControls[p].mVal))
{
return false;
}
}
}
return true;
}
bool LV2Effect::SetAutomationParameters(EffectAutomationParameters & parms)
{
// First pass validates values
for (size_t p = 0, cnt = mControls.GetCount(); p < cnt; p++)
{
LV2Port & ctrl = mControls[p];
if (ctrl.mInput)
{
double d = 0.0;
if (!parms.Read(ctrl.mName, &d))
{
return false;
}
// Use unscaled range here
if (d < ctrl.mMin || d > ctrl.mMax)
{
return false;
}
}
}
// Second pass actually sets the values
for (size_t p = 0, cnt = mControls.GetCount(); p < cnt; p++)
{
LV2Port & ctrl = mControls[p];
if (ctrl.mInput)
{
double d = 0.0;
if (!parms.Read(ctrl.mName, &d))
{
return false;
}
ctrl.mTmp = ctrl.mVal * (ctrl.mSampleRate ? mSampleRate : 1.0);
}
}
return true;
}
// ============================================================================
// EffectUIClientInterface Implementation
// ============================================================================
void LV2Effect::SetHostUI(EffectUIHostInterface *host)
{
mUIHost = host;
}
bool LV2Effect::PopulateUI(wxWindow *parent)
{
mParent = parent;
mParent->PushEventHandler(this);
mSliders = NULL;
mFields = NULL;
mSuilHost = NULL;
mSuilInstance = NULL;
mMaster = InitInstance(mSampleRate);
if (mMaster == NULL)
{
wxMessageBox(wxT("Couldn't instantiate effect"));
return false;
}
// Determine if the GUI editor is supposed to be used or not
mHost->GetSharedConfig(wxT("Settings"),
wxT("UseGUI"),
mUseGUI,
true);
// Until I figure out where to put the "Duration" control in the
// graphical editor, force usage of plain editor.
if (GetType() == EffectTypeGenerate)
{
mUseGUI = false;
}
if (mUseGUI)
{
mUseGUI = BuildFancy();
}
if (!mUseGUI)
{
return BuildPlain();
}
return true;
}
bool LV2Effect::IsGraphicalUI()
{
return mUseGUI;
}
bool LV2Effect::ValidateUI()
{
if (!mParent->Validate() || !mParent->TransferDataFromWindow())
{
return false;
}
if (GetType() == EffectTypeGenerate)
{
mHost->SetDuration(mDuration->GetValue());
}
return true;
}
bool LV2Effect::HideUI()
{
return true;
}
bool LV2Effect::CloseUI()
{
mParent->RemoveEventHandler(this);
if (mSliders)
{
delete [] mSliders;
mSliders = NULL;
}
if (mFields)
{
delete [] mFields;
mFields = NULL;
}
if (mSuilInstance)
{
mIdleFeature = NULL;
suil_instance_free(mSuilInstance);
mSuilInstance = NULL;
}
if (mSuilHost)
{
suil_host_free(mSuilHost);
mSuilHost = NULL;
}
if (mMaster)
{
FreeInstance(mMaster);
mMaster = NULL;
}
mUIHost = NULL;
mParent = NULL;
mDialog = NULL;
return true;
}
bool LV2Effect::LoadUserPreset(const wxString & name)
{
if (!LoadParameters(name))
{
return false;
}
return TransferDataToWindow();
}
bool LV2Effect::SaveUserPreset(const wxString & name)
{
return SaveParameters(name);
}
wxArrayString LV2Effect::GetFactoryPresets()
{
if (mFactoryPresetsLoaded)
{
return mFactoryPresetNames;
}
LilvNodes* presets = lilv_plugin_get_related(mPlug, gPreset);
if (presets)
{
LILV_FOREACH(nodes, i, presets)
{
const LilvNode *preset = lilv_nodes_get(presets, i);
mFactoryPresetUris.Add(LilvString(preset));
lilv_world_load_resource(gWorld, preset);
LilvNodes *labels = lilv_world_find_nodes(gWorld, preset, gLabel, NULL);
if (labels)
{
const LilvNode *label = lilv_nodes_get_first(labels);
mFactoryPresetNames.Add(LilvString(label));
lilv_nodes_free(labels);
}
else
{
mFactoryPresetNames.Add(LilvString(preset).AfterLast(wxT('#')));
}
}
lilv_nodes_free(presets);
}
mFactoryPresetsLoaded = true;
return mFactoryPresetNames;
}
bool LV2Effect::LoadFactoryPreset(int id)
{
if (id < 0 || id >= (int) mFactoryPresetUris.GetCount())
{
return false;
}
LilvNode *preset = lilv_new_uri(gWorld, mFactoryPresetUris[id].ToUTF8());
if (!preset)
{
return false;
}
LilvState *state = lilv_state_new_from_world(gWorld, &mURIDMapFeature, preset);
if (state)
{
lilv_state_restore(state, mMaster, set_value_func, this, 0, NULL);
lilv_state_free(state);
TransferDataToWindow();
}
lilv_node_free(preset);
return state != NULL;
}
bool LV2Effect::LoadFactoryDefaults()
{
if (!LoadParameters(mHost->GetFactoryDefaultsGroup()))
{
return false;
}
return TransferDataToWindow();
}
bool LV2Effect::CanExportPresets()
{
return false;
}
void LV2Effect::ExportPresets()
{
}
void LV2Effect::ImportPresets()
{
}
bool LV2Effect::HasOptions()
{
return true;
}
void LV2Effect::ShowOptions()
{
LV2EffectSettingsDialog dlg(mParent, this);
if (dlg.ShowModal() == wxID_OK)
{
mHost->GetSharedConfig(wxT("Settings"), wxT("UseLatency"), mUseLatency, true);
}
}
// ============================================================================
// LV2Effect Implementation
// ============================================================================
bool LV2Effect::LoadParameters(const wxString & group)
{
wxString parms;
if (!mHost->GetPrivateConfig(group, wxT("Parameters"), parms, wxEmptyString))
{
return false;
}
EffectAutomationParameters eap;
if (!eap.SetParameters(parms))
{
return false;
}
return SetAutomationParameters(eap);
}
bool LV2Effect::SaveParameters(const wxString & group)
{
EffectAutomationParameters eap;
if (!GetAutomationParameters(eap))
{
return false;
}
wxString parms;
if (!eap.GetParameters(parms))
{
return false;
}
return mHost->SetPrivateConfig(group, wxT("Parameters"), parms);
}
LV2_Options_Option *LV2Effect::AddOption(const char *key, uint32_t size, const char *type, void *value)
{
int ndx = mNumOptions;
mNumOptions += 1;
mOptions = (LV2_Options_Option *) realloc(mOptions, mNumOptions * sizeof(LV2_Options_Option));
memset(&mOptions[ndx], 0, sizeof(mOptions[ndx]));
if (key != NULL)
{
mOptions[ndx].context = LV2_OPTIONS_INSTANCE;
mOptions[ndx].subject = 0;
mOptions[ndx].key = URID_Map(key);
mOptions[ndx].size = size;
mOptions[ndx].type = URID_Map(type);
mOptions[ndx].value = value;
}
return &mOptions[ndx];
}
LV2_Feature *LV2Effect::AddFeature(const char *uri, void *data)
{
int ndx = mNumFeatures;
mNumFeatures += 1;
mFeatures = (LV2_Feature **) realloc(mFeatures, mNumFeatures * sizeof(LV2_Feature *));
mFeatures[ndx] = NULL;
if (uri != NULL)
{
mFeatures[ndx] = new LV2_Feature;
mFeatures[ndx]->URI = uri;
mFeatures[ndx]->data = data;
}
return mFeatures[ndx];
}
LilvInstance *LV2Effect::InitInstance(float sampleRate)
{
LilvInstance *handle = lilv_plugin_instantiate(mPlug,
sampleRate,
mFeatures);
if (!handle)
{
return NULL;
}
mOptionsInterface = (LV2_Options_Interface *)
lilv_instance_get_extension_data(handle, LV2_OPTIONS__interface);
SetBlockSize(mBlockSize);
SetSampleRate(sampleRate);
for (size_t p = 0, cnt = mControls.GetCount(); p < cnt; p++)
{
lilv_instance_connect_port(handle,
mControls[p].mIndex,
&mControls[p].mVal);
}
if (mLatencyPort >= 0)
{
lilv_instance_connect_port(handle, mLatencyPort, &mLatency);
}
return handle;
}
void LV2Effect::FreeInstance(LilvInstance *handle)
{
lilv_instance_free(handle);
}
bool LV2Effect::BuildFancy()
{
// Set the native UI type
const char *nativeType =
#if defined(__WXGTK__)
LV2_UI__GtkUI;
#elif defined(__WXMSW__)
LV2_UI__WindowsUI;
#elif defined(__WXMAC__)
LV2_UI__CocoaUI;
#endif
// Determine if the plugin has a supported UI
const LilvUI *ui = NULL;
const LilvNode *uiType = NULL;
LilvUIs *uis = lilv_plugin_get_uis(mPlug);
if (uis)
{
LilvNode *containerType = lilv_new_uri(gWorld, nativeType);
if (containerType)
{
LILV_FOREACH(uis, iter, uis)
{
ui = lilv_uis_get(uis, iter);
if (lilv_ui_is_supported(ui, suil_ui_supported, containerType, &uiType))
{
break;
}
ui = NULL;
}
lilv_node_free(containerType);
}
}
// No usable UI found
if (ui == NULL)
{
lilv_uis_free(uis);
return false;
}
// Use a panel to host the plugins GUI
mContainer = safenew wxPanel(mParent, wxID_ANY);
if (!mContainer)
{
lilv_uis_free(uis);
return false;
}
wxBoxSizer *vs = new wxBoxSizer(wxVERTICAL);
wxSizerItem *si = NULL;
if (vs)
{
wxBoxSizer *hs = new wxBoxSizer(wxHORIZONTAL);
if (hs)
{
si = hs->Add(mContainer, 1, wxCENTER | wxEXPAND);
vs->Add(hs, 0, wxCENTER);
}
}
if (!si)
{
delete vs;
delete mContainer;
lilv_uis_free(uis);
return false;
}
#if defined(__WXGTK__)
// Make sure the parent has a window
if (!gtk_widget_get_window(GTK_WIDGET(mContainer->m_wxwindow)))
{
gtk_widget_realize(GTK_WIDGET(mContainer->m_wxwindow));
}
mParentFeature->data = GTK_WIDGET(mContainer->GetHandle());
#elif defined(__WXMSW__)
mParentFeature->data = mContainer->GetHandle();
#elif defined(__WXMAC__)
mParentFeature->data = mContainer->GetHandle();
#endif
mInstanceAccessFeature->data = lilv_instance_get_handle(mMaster);
mExtDataFeature.data_access = lilv_instance_get_descriptor(mMaster)->extension_data;
// Create the suil host
mSuilHost = suil_host_new(LV2Effect::suil_write_func, NULL, NULL, NULL);
if (!mSuilHost)
{
delete vs;
delete mContainer;
lilv_uis_free(uis);
return false;
}
mSuilInstance = suil_instance_new(mSuilHost,
this,
nativeType,
lilv_node_as_uri(lilv_plugin_get_uri(mPlug)),
lilv_node_as_uri(lilv_ui_get_uri(ui)),
lilv_node_as_uri(uiType),
lilv_uri_to_path(lilv_node_as_uri(lilv_ui_get_bundle_uri(ui))),
lilv_uri_to_path(lilv_node_as_uri(lilv_ui_get_binary_uri(ui))),
mFeatures);
lilv_uis_free(uis);
// Bail if the instance (no compatible UI) couldn't be created
if (!mSuilInstance)
{
suil_host_free(mSuilHost);
mSuilHost = NULL;
delete vs;
delete mContainer;
return false;
}
#if defined(__WXGTK__)
GtkWidget* widget = GTK_WIDGET(suil_instance_get_widget(mSuilInstance));
gtk_widget_show_all(widget);
GtkRequisition sz;
gtk_widget_size_request(widget, &sz);
gtk_widget_set_size_request(widget, 1, 1);
gtk_widget_set_size_request(widget, sz.width, sz.height);
wxPizza *pizza = WX_PIZZA(mContainer->m_wxwindow);
pizza->put(widget,
0, //gtk_pizza_get_xoffset(pizza),
0, //gtk_pizza_get_yoffset(pizza),
sz.width,
sz.height);
gtk_widget_show_all(GTK_WIDGET(pizza));
si->SetMinSize(wxSize(sz.width, sz.height));
#elif defined(__WXMSW__)
HWND widget = (HWND) suil_instance_get_widget(mSuilInstance);
RECT rect;
GetWindowRect(widget, &rect);
si->SetMinSize(wxSize(rect.right - rect.left, rect.bottom - rect.top));
#elif defined(__WXMAC__)
NSView *view = (NSView *) suil_instance_get_widget(mSuilInstance);
NSSize sz = [view frame].size;
si->SetMinSize(sz.width, sz.height);
#endif
mParent->SetSizerAndFit(vs);
mIdleFeature = (const LV2UI_Idle_Interface *)
suil_instance_extension_data(mSuilInstance, LV2_UI__idleInterface);
TransferDataToWindow();
return true;
}
bool LV2Effect::BuildPlain()
{
int numCols = 5;
// Allocate memory for the user parameter controls
int ctrlcnt = (int) mControls.GetCount();
mSliders = new wxSlider *[ctrlcnt];
mFields = new wxTextCtrl *[ctrlcnt];
wxSizer *outerSizer = new wxBoxSizer(wxVERTICAL);
wxASSERT(mParent); // To justify safenew
wxScrolledWindow *const w = safenew wxScrolledWindow(mParent,
wxID_ANY,
wxDefaultPosition,
wxDefaultSize,
wxVSCROLL | wxTAB_TRAVERSAL);
w->SetScrollRate(0, 20);
// This fools NVDA into not saying "Panel" when the dialog gets focus
w->SetName(wxT("\a"));
w->SetLabel(wxT("\a"));
outerSizer->Add(w, 1, wxEXPAND);
wxSizer *innerSizer = new wxBoxSizer(wxVERTICAL);
if (GetType() == EffectTypeGenerate)
{
// Add the length control
wxSizer *groupSizer = new wxStaticBoxSizer(wxVERTICAL, w, _("Generator"));
wxBoxSizer *sizer = new wxBoxSizer(wxHORIZONTAL);
wxWindow *item = safenew wxStaticText(w, 0, _("&Duration:"));
sizer->Add(item, 0, wxALIGN_CENTER | wxALL, 5);
mDuration = new
NumericTextCtrl(NumericConverter::TIME,
w,
ID_Duration,
mHost->GetDurationFormat(),
mHost->GetDuration(),
mSampleRate,
wxDefaultPosition,
wxDefaultSize,
true);
mDuration->SetName(_("Duration"));
mDuration->EnableMenu();
sizer->Add(mDuration, 0, wxALIGN_CENTER | wxALL, 5);
groupSizer->Add(sizer, 0, wxALIGN_CENTER | wxALL, 5);
innerSizer->Add(groupSizer, 0, wxEXPAND | wxALL, 5);
}
mGroups.Sort();
for (size_t i = 0, cnt = mGroups.GetCount(); i < cnt; i++)
{
wxString label = mGroups[i];
if (label.IsEmpty())
{
label = _("Effect Settings");
}
wxSizer *groupSizer = new wxStaticBoxSizer(wxVERTICAL, w, label);
wxFlexGridSizer *gridSizer = new wxFlexGridSizer(numCols, 5, 5);
gridSizer->AddGrowableCol(3);
const wxArrayInt & params = mGroupMap[mGroups[i]];
for (size_t pi = 0, cnt = params.GetCount(); pi < cnt; pi++)
{
int p = params[pi];
LV2Port & ctrl = mControls[p];
wxString labelText = ctrl.mName;
if (!ctrl.mUnits.IsEmpty())
{
labelText += wxT(" (") + ctrl.mUnits + wxT(")");
}
if (ctrl.mTrigger)
{
gridSizer->Add(1, 1, 0);
wxASSERT(w); // To justify safenew
wxButton *b = safenew wxButton(w, ID_Triggers + p, labelText);
gridSizer->Add(b, 0, wxALIGN_CENTER_VERTICAL | wxALIGN_LEFT);
gridSizer->Add(1, 1, 0);
gridSizer->Add(1, 1, 0);
gridSizer->Add(1, 1, 0);
continue;
}
wxWindow *item = safenew wxStaticText(w, wxID_ANY, labelText + wxT(":"),
wxDefaultPosition, wxDefaultSize,
wxALIGN_RIGHT);
gridSizer->Add(item, 0, wxALIGN_CENTER_VERTICAL | wxALIGN_RIGHT);
if (ctrl.mToggle)
{
wxCheckBox *c = safenew wxCheckBox(w, ID_Toggles + p, wxT(""));
c->SetName(labelText);
c->SetValue(ctrl.mVal > 0);
gridSizer->Add(c, 0, wxALIGN_CENTER_VERTICAL | wxALIGN_LEFT);
gridSizer->Add(1, 1, 0);
gridSizer->Add(1, 1, 0);
gridSizer->Add(1, 1, 0);
}
else if (ctrl.mEnumeration) // Check before integer
{
int s;
for (s = (int) ctrl.mScaleValues.GetCount() - 1; s >= 0; s--)
{
if (ctrl.mVal >= ctrl.mScaleValues[s])
{
break;
}
}
if (s < 0)
{
s = 0;
}
wxChoice *c = safenew wxChoice(w, ID_Choices + p);
c->SetName(labelText);
c->Append(ctrl.mScaleLabels);
c->SetSelection(s);
gridSizer->Add(c, 0, wxALIGN_CENTER_VERTICAL | wxALIGN_LEFT);
gridSizer->Add(1, 1, 0);
gridSizer->Add(1, 1, 0);
gridSizer->Add(1, 1, 0);
}
else if (!ctrl.mInput)
{
gridSizer->Add(1, 1, 0);
gridSizer->Add(1, 1, 0);
LV2EffectMeter *m = new LV2EffectMeter(w, ctrl);
gridSizer->Add(m, 0, wxALIGN_CENTER_VERTICAL | wxEXPAND);
gridSizer->Add(1, 1, 0);
}
else
{
mFields[p] = safenew wxTextCtrl(w, ID_Texts + p, wxT(""));
mFields[p]->SetName(labelText);
gridSizer->Add(mFields[p], 0, wxALIGN_CENTER_VERTICAL | wxALIGN_LEFT);
float rate = ctrl.mSampleRate ? mSampleRate : 1.0;
ctrl.mVal = ctrl.mDef;
ctrl.mLo = ctrl.mMin * rate;
ctrl.mHi = ctrl.mMax * rate;
ctrl.mTmp = ctrl.mDef * rate;
if (ctrl.mInteger)
{
IntegerValidator<float> vld(&ctrl.mTmp);
vld.SetRange(ctrl.mLo, ctrl.mHi);
mFields[p]->SetValidator(vld);
}
else
{
FloatingPointValidator<float> vld(6, &ctrl.mTmp);
vld.SetRange(ctrl.mLo, ctrl.mHi);
// Set number of decimal places
float range = ctrl.mHi - ctrl.mLo;
int style = range < 10 ? NUM_VAL_THREE_TRAILING_ZEROES :
range < 100 ? NUM_VAL_TWO_TRAILING_ZEROES :
NUM_VAL_ONE_TRAILING_ZERO;
vld.SetStyle(style);
mFields[p]->SetValidator(vld);
}
if (ctrl.mHasLo)
{
wxString str;
if (ctrl.mInteger || ctrl.mSampleRate)
{
str.Printf(wxT("%d"), lrintf(ctrl.mLo));
}
else
{
str = Internat::ToDisplayString(ctrl.mLo);
}
item = safenew wxStaticText(w, wxID_ANY, str);
gridSizer->Add(item, 0, wxALIGN_CENTER_VERTICAL | wxALIGN_RIGHT);
}
else
{
gridSizer->Add(1, 1, 0);
}
mSliders[p] = safenew wxSlider(w, ID_Sliders + p,
0, 0, 1000,
wxDefaultPosition,
wxSize(150, -1));
mSliders[p]->SetName(labelText);
gridSizer->Add(mSliders[p], 0, wxALIGN_CENTER_VERTICAL | wxEXPAND);
if (ctrl.mHasHi)
{
wxString str;
if (ctrl.mInteger || ctrl.mSampleRate)
{
str.Printf(wxT("%d"), lrintf(ctrl.mHi));
}
else
{
str = Internat::ToDisplayString(ctrl.mHi);
}
item = safenew wxStaticText(w, wxID_ANY, str);
gridSizer->Add(item, 0, wxALIGN_CENTER_VERTICAL | wxALIGN_LEFT);
}
else
{
gridSizer->Add(1, 1, 0);
}
}
}
groupSizer->Add(gridSizer, 1, wxEXPAND | wxALL, 5);
innerSizer->Add(groupSizer, 0, wxEXPAND | wxALL, 5);
}
innerSizer->Layout();
// Calculate the maximum width of all columns (bypass Generator sizer)
wxArrayInt widths;
widths.Add(0, numCols);
size_t cnt = innerSizer->GetChildren().GetCount();
for (size_t i = (GetType() == EffectTypeGenerate); i < cnt; i++)
{
wxSizer *groupSizer = innerSizer->GetItem(i)->GetSizer();
wxFlexGridSizer *gridSizer = (wxFlexGridSizer *)groupSizer->GetItem((size_t) 0)->GetSizer();
size_t items = gridSizer->GetChildren().GetCount();
int cols = gridSizer->GetCols();
for (size_t j = 0; j < items; j++)
{
wxSizerItem *item = gridSizer->GetItem(j);
widths[j % cols] = wxMax(widths[j % cols], item->GetSize().GetWidth());
}
}
// Set each column in all of the groups to the same width.
for (size_t i = (GetType() == EffectTypeGenerate); i < cnt; i++)
{
wxSizer *groupSizer = innerSizer->GetItem(i)->GetSizer();
wxFlexGridSizer *gridSizer = (wxFlexGridSizer *)groupSizer->GetItem((size_t) 0)->GetSizer();
size_t items = gridSizer->GetChildren().GetCount();
int cols = gridSizer->GetCols();
for (size_t j = 0; j < items; j++)
{
wxSizerItem *item = gridSizer->GetItem(j);
int flags = item->GetFlag();
if (flags & wxEXPAND)
{
continue;
}
if (flags & wxALIGN_RIGHT)
{
flags = (flags & ~wxALL) | wxLEFT;
}
else
{
flags = (flags & ~wxALL) | wxRIGHT;
}
item->SetFlag(flags);
item->SetBorder(widths[j % cols] - item->GetMinSize().GetWidth());
}
}
w->SetSizer(innerSizer);
mParent->SetSizer(outerSizer);
// Try to give the window a sensible default/minimum size
wxSize sz1 = innerSizer->GetMinSize();
wxSize sz2 = mParent->GetMinSize();
w->SetSizeHints(wxSize(-1, wxMin(sz1.y, sz2.y)));
// And let the parent reduce to the NEW minimum if possible
mParent->SetSizeHints(w->GetMinSize());
TransferDataToWindow();
return true;
}
bool LV2Effect::TransferDataToWindow()
{
if (mUseGUI)
{
if (mSuilInstance)
{
for (size_t p = 0, cnt = mControls.GetCount(); p < cnt; p++)
{
if (mControls[p].mInput)
{
suil_instance_port_event(mSuilInstance,
mControls[p].mIndex,
sizeof(float),
0,
&mControls[p].mVal);
}
}
}
return true;
}
for (size_t i = 0, cnt = mGroups.GetCount(); i < cnt; i++)
{
const wxArrayInt & params = mGroupMap[mGroups[i]];
for (size_t pi = 0, cnt = params.GetCount(); pi < cnt; pi++)
{
int p = params[pi];
LV2Port & ctrl = mControls[p];
if (ctrl.mTrigger)
{
continue;
}
if (ctrl.mToggle)
{
wxCheckBox *c = wxDynamicCast(mParent->FindWindow(ID_Toggles + p), wxCheckBox);
c->SetValue(ctrl.mVal > 0);
}
else if (ctrl.mEnumeration) // Check before integer
{
int s;
for (s = (int) ctrl.mScaleValues.GetCount() - 1; s >= 0; s--)
{
if (ctrl.mVal >= ctrl.mScaleValues[s])
{
break;
}
}
if (s < 0)
{
s = 0;
}
wxChoice *c = wxDynamicCast(mParent->FindWindow(ID_Choices + p), wxChoice);
c->SetSelection(s);
}
else if (ctrl.mInput)
{
ctrl.mTmp = ctrl.mDef * (ctrl.mSampleRate ? mSampleRate : 1.0);
SetSlider(mSliders[p], ctrl);
}
}
}
if (!mParent->TransferDataToWindow())
{
return false;
}
return true;
}
bool LV2Effect::TransferDataFromWindow()
{
if (!mParent->Validate() || !mParent->TransferDataFromWindow())
{
return false;
}
return true;
}
void LV2Effect::SetSlider(wxSlider *slider, const LV2Port & ctrl)
{
float lo = ctrl.mLo;
float hi = ctrl.mHi;
float val = ctrl.mTmp;
if (ctrl.mLogarithmic)
{
lo = logf(lo);
hi = logf(hi);
val = logf(val);
}
slider->SetValue(lrintf((val - lo) / (hi - lo) * 1000.0));
}
void LV2Effect::OnTrigger(wxCommandEvent & evt)
{
int p = evt.GetId() - ID_Triggers;
mControls[p].mVal = mControls[p].mDef;
}
void LV2Effect::OnToggle(wxCommandEvent & evt)
{
int p = evt.GetId() - ID_Toggles;
mControls[p].mVal = evt.GetInt() ? 1.0 : 0.0;
}
void LV2Effect::OnChoice(wxCommandEvent & evt)
{
int p = evt.GetId() - ID_Choices;
mControls[p].mVal = mControls[p].mScaleValues[evt.GetInt()];
}
void LV2Effect::OnText(wxCommandEvent & evt)
{
int p = evt.GetId() - ID_Texts;
LV2Port & ctrl = mControls[p];
if (mParent->FindWindow(ID_Texts + p)->GetValidator()->TransferFromWindow())
{
ctrl.mVal = ctrl.mSampleRate ? ctrl.mTmp / mSampleRate : ctrl.mTmp;
SetSlider(mSliders[p], mControls[p]);
}
}
void LV2Effect::OnSlider(wxCommandEvent & evt)
{
int p = evt.GetId() - ID_Sliders;
LV2Port & ctrl = mControls[p];
float lo = ctrl.mLo;
float hi = ctrl.mHi;
if (ctrl.mLogarithmic)
{
lo = logf(lo);
hi = logf(hi);
}
ctrl.mTmp = ((float) evt.GetInt() / 1000.0) * (hi - lo) + lo;
ctrl.mTmp = ctrl.mLogarithmic ? expf(ctrl.mTmp) : ctrl.mTmp;
ctrl.mTmp = ctrl.mTmp < ctrl.mLo ? ctrl.mLo : ctrl.mTmp;
ctrl.mTmp = ctrl.mTmp > ctrl.mHi ? ctrl.mHi : ctrl.mTmp;
ctrl.mVal = ctrl.mSampleRate ? ctrl.mTmp / mSampleRate : ctrl.mTmp;
mParent->FindWindow(ID_Texts + p)->GetValidator()->TransferToWindow();
}
void LV2Effect::OnIdle(wxIdleEvent & WXUNUSED(evt))
{
if (mIdleFeature)
{
mIdleFeature->idle(suil_instance_get_handle(mSuilInstance));
}
}
// ============================================================================
// Feature handlers
// ============================================================================
// static callback
uint32_t LV2Effect::uri_to_id(LV2_URI_Map_Callback_Data callback_data,
const char *WXUNUSED(map),
const char *uri)
{
return ((LV2Effect *)callback_data)->URID_Map(uri);
}
// static callback
LV2_URID LV2Effect::urid_map(LV2_URID_Map_Handle handle, const char *uri)
{
return ((LV2Effect *)handle)->URID_Map(uri);
}
LV2_URID LV2Effect::URID_Map(const char *uri)
{
for (int i = 0; i < mNumURIMap; i++)
{
if (strcmp(mURIMap[i], uri) == 0)
{
return i + 1;
}
}
mNumURIMap += 1;
mURIMap = (char **) realloc(mURIMap, mNumURIMap * sizeof(char*));
mURIMap[mNumURIMap - 1] = strdup(uri);
return mNumURIMap;
}
// static callback
const char *LV2Effect::urid_unmap(LV2_URID_Unmap_Handle handle, LV2_URID urid)
{
return ((LV2Effect *)handle)->URID_Unmap(urid);
}
const char *LV2Effect::URID_Unmap(LV2_URID urid)
{
if (urid > 0 && urid <= (LV2_URID) mNumURIMap)
{
return mURIMap[urid - 1];
}
return NULL;
}
// static callback
int LV2Effect::ui_resize(LV2UI_Feature_Handle handle, int width, int height)
{
return ((LV2Effect *)handle)->UIResize(width, height);
}
int LV2Effect::UIResize(int WXUNUSED(width), int WXUNUSED(height))
{
#if 0
// Nothing to do yet
#endif
return 1;
}
// static callback
void LV2Effect::suil_write_func(SuilController controller,
uint32_t port_index,
uint32_t buffer_size,
uint32_t protocol,
const void *buffer)
{
((LV2Effect *)controller)->UIWrite(port_index, buffer_size, protocol, buffer);
}
void LV2Effect::UIWrite(uint32_t port_index,
uint32_t buffer_size,
uint32_t protocol,
const void *buffer)
{
if (protocol != 0 || buffer_size != sizeof(float))
{
return;
}
wxLongToLongHashMap::iterator it = mControlsMap.find(port_index);
if (it != mControlsMap.end())
{
mControls[(it->second)].mVal = *((const float *)buffer);
}
}
// static callback
void LV2Effect::set_value_func(const char *port_symbol,
void *user_data,
const void *value,
uint32_t size,
uint32_t type)
{
((LV2Effect *)user_data)->SetPortValue(port_symbol, value, size, type);
}
void LV2Effect::SetPortValue(const char *port_symbol,
const void *value,
uint32_t size,
uint32_t type)
{
wxString symbol = wxString::FromUTF8(port_symbol);
LV2_URID Bool = URID_Map(lilv_node_as_string(gBool));
LV2_URID Double = URID_Map(lilv_node_as_string(gDouble));
LV2_URID Float = URID_Map(lilv_node_as_string(gFloat));
LV2_URID Int = URID_Map(lilv_node_as_string(gInt));
LV2_URID Long = URID_Map(lilv_node_as_string(gLong));
for (size_t p = 0, cnt = mControls.GetCount(); p < cnt; p++)
{
if (mControls[p].mSymbol.IsSameAs(symbol))
{
if (type == Bool && size == sizeof(bool))
{
mControls[p].mVal = (float) *((const bool *) value) ? 1.0f : 0.0f;
}
else if (type == Double && size == sizeof(double))
{
mControls[p].mVal = (float) *((const double *) value);
}
else if (type == Float && size == sizeof(float))
{
mControls[p].mVal = (float) *((const float *) value);
}
else if (type == Int && size == sizeof(int32_t))
{
mControls[p].mVal = (float) *((const int32_t *) value);
}
else if (type == Long && size == sizeof(int64_t))
{
mControls[p].mVal = (float) *((const int64_t *) value);
}
break;
}
}
}
#endif
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