String
LV2Module::getAuthorName() const
{
if (LilvNode* node = lilv_plugin_get_author_name (plugin))
{
String name (CharPointer_UTF8 (lilv_node_as_string (node)));
lilv_node_free (node);
return name;
}
return String::empty;
}
LV2EffectDialog::LV2EffectDialog(LV2Effect *effect,
wxWindow *parent,
const LilvPlugin *data,
int sampleRate,
double length,
double WXUNUSED(noteLength),
unsigned char WXUNUSED(noteVelocity),
unsigned char WXUNUSED(noteKey))
: wxDialog(parent, wxID_ANY,
mEffect->GetString(lilv_plugin_get_name(data)),
wxDefaultPosition, wxSize(500, -1),
wxDEFAULT_DIALOG_STYLE | wxRESIZE_BORDER),
mEffect(effect),
mData(data),
mControls(effect->GetControls()),
mSampleRate(sampleRate),
mLength(length)
{
#if defined(__WXMSW__)
// On Windows, for some reason, wxWindows calls OnTextCtrl during creation
// of the text control, and LV2EffectDialog::OnTextCtrl calls HandleText,
// which assumes all the mFields have been initialized.
// This can give us a bad pointer crash, so manipulate inSlider to
// no-op HandleText during creation.
inSlider = true;
#else
inSlider = false;
#endif
inText = false;
inText = true;
// Allocate memory for the user parameter controls
int ctrlcnt = (int) mControls.GetCount();
mToggles = new wxCheckBox*[ctrlcnt];
mSliders = new wxSlider*[ctrlcnt];
mFields = new wxTextCtrl*[ctrlcnt];
mLabels = new wxStaticText*[ctrlcnt];
mEnums = new wxChoice*[ctrlcnt];
wxControl *item;
wxBoxSizer *vSizer = new wxBoxSizer(wxVERTICAL);
// Add information about the plugin
LilvNode *tmpValue = lilv_plugin_get_author_name(data);
if (tmpValue)
{
wxString author(_("Author: ") + mEffect->GetString(tmpValue));
item = new wxStaticText(this, wxID_ANY, author);
vSizer->Add(item, 0, wxALL, 5);
lilv_node_free(tmpValue);
}
wxScrolledWindow *w = new wxScrolledWindow(this,
wxID_ANY,
wxDefaultPosition,
wxDefaultSize,
wxVSCROLL | wxTAB_TRAVERSAL);
// Try to give the window a sensible default/minimum size
w->SetMinSize(wxSize(
wxMax(600, parent->GetSize().GetWidth() * 2/3),
parent->GetSize().GetHeight() / 2));
w->SetScrollRate(0, 20);
vSizer->Add(w, 1, wxEXPAND|wxALL, 5);
// Preview, OK, & Cancel buttons
vSizer->Add(CreateStdButtonSizer(this, ePreviewButton|eCancelButton|eOkButton), 0, wxEXPAND);
SetSizer(vSizer);
wxSizer *paramSizer =
new wxStaticBoxSizer(wxVERTICAL, w, _("Effect Settings"));
wxFlexGridSizer *gridSizer =
new wxFlexGridSizer(5, 0, 0);
gridSizer->AddGrowableCol(3);
// Now add the length control
if (mEffect->GetEffectFlags() & INSERT_EFFECT)
{
item = new wxStaticText(w, 0, _("Length (seconds)"));
gridSizer->Add(item, 0, wxALIGN_CENTER_VERTICAL | wxALL, 5);
mSeconds = new wxTextCtrl(w, LADSPA_SECONDS_ID, Internat::ToDisplayString(length));
mSeconds->SetName(_("Length (seconds)"));
gridSizer->Add(mSeconds, 0, wxALIGN_CENTER_VERTICAL | wxALL, 5);
gridSizer->Add(1, 1, 0);
gridSizer->Add(1, 1, 0);
gridSizer->Add(1, 1, 0);
ConnectFocus(mSeconds);
}
// The note controls if the plugin is a synth
if (mEffect->IsSynth())
{
// Note length control
item = new wxStaticText(w, wxID_ANY, _("Note length (seconds)"));
gridSizer->Add(item, 0, wxALIGN_CENTER_VERTICAL | wxALIGN_RIGHT | wxALL, 5);
mNoteSeconds = new wxTextCtrl(w, LADSPA_SECONDS_ID, Internat::ToDisplayString(length / 2));
mNoteSeconds->SetName(_("Note length (seconds)"));
gridSizer->Add(mNoteSeconds, 0, wxALIGN_CENTER_VERTICAL | wxALL, 5);
gridSizer->Add(1, 1, 0);
gridSizer->Add(1, 1, 0);
gridSizer->Add(1, 1, 0);
ConnectFocus(mNoteSeconds);
// Note velocity control
item = new wxStaticText(w, wxID_ANY, _("Note velocity"));
gridSizer->Add(item, 0, wxALIGN_CENTER_VERTICAL | wxALIGN_RIGHT | wxALL, 5);
mNoteVelocity = new wxTextCtrl(w, LADSPA_SECONDS_ID, Internat::ToDisplayString(64));
mNoteVelocity->SetName(_("Note velocity"));
gridSizer->Add(mNoteVelocity, 0, wxALIGN_CENTER_VERTICAL | wxALL, 5);
gridSizer->Add(1, 1, 0);
gridSizer->Add(1, 1, 0);
gridSizer->Add(1, 1, 0);
ConnectFocus(mNoteVelocity);
// Note key control
item = new wxStaticText(w, wxID_ANY, _("Note key"));
gridSizer->Add(item, 0, wxALIGN_CENTER_VERTICAL | wxALIGN_RIGHT | wxALL, 5);
mNoteKey = new wxTextCtrl(w, LADSPA_SECONDS_ID, Internat::ToDisplayString(64));
mNoteKey->SetName(_("Note key"));
gridSizer->Add(mNoteKey, 0, wxALIGN_CENTER_VERTICAL | wxALL, 5);
gridSizer->Add(1, 1, 0);
gridSizer->Add(1, 1, 0);
gridSizer->Add(1, 1, 0);
ConnectFocus(mNoteKey);
}
paramSizer->Add(gridSizer, 1, wxEXPAND | wxALL, 5);
// Create user parameter controls
std::queue<const LV2PortGroup *> groups;
groups.push(&mEffect->GetRootGroup());
while (!groups.empty())
{
const LV2PortGroup* pg = groups.front();
groups.pop();
if (pg->GetName() != wxEmptyString)
{
wxSizer *groupSizer =
new wxStaticBoxSizer(wxVERTICAL, w, pg->GetName());
paramSizer->Add(groupSizer, 0, wxEXPAND | wxALL, 5);
gridSizer = new wxFlexGridSizer(5, 0, 0);
gridSizer->AddGrowableCol(3);
groupSizer->Add(gridSizer, 1, wxEXPAND | wxALL, 5);
}
const LV2PortGroupArray & subgroups = pg->GetSubGroups();
LV2PortGroupArray::const_iterator si;
for (si = subgroups.begin(); si != subgroups.end(); si++)
{
if ((*si)->GetParameters().GetCount() != 0)
{
groups.push(*si);
}
}
const wxArrayInt & params = pg->GetParameters();
for (size_t pi = 0; pi < params.GetCount(); pi++)
{
int p = params[pi];
if (p >= ctrlcnt)
{
continue;
}
LV2Port & port = mControls[p];
wxString labelText = port.mName;
item = new wxStaticText(w, 0, labelText + wxT(":"));
gridSizer->Add(item, 0, wxALIGN_CENTER_VERTICAL | wxALIGN_RIGHT | wxALL, 5);
wxString fieldText;
if (port.mToggle)
{
mToggles[p] = new wxCheckBox(w, p, wxT(""));
mToggles[p]->SetName(labelText);
mToggles[p]->SetValue(port.mControlBuffer > 0);
gridSizer->Add(mToggles[p], 0, wxALL, 5);
ConnectFocus(mToggles[p]);
gridSizer->Add(1, 1, 0);
gridSizer->Add(1, 1, 0);
gridSizer->Add(1, 1, 0);
}
else if (port.mEnumeration)
{
mEnums[p] = new wxChoice(w, p);
mEnums[p]->SetName(labelText);
mEnums[p]->Append(port.mScaleLabels);
int s;
for (s = (int) port.mScaleValues.GetCount() - 1; s >= 0; s--)
{
if (port.mControlBuffer >= port.mScaleValues[s])
{
break;
}
}
if (s < 0)
{
s = 0;
}
mEnums[p]->SetSelection(s);
gridSizer->Add(mEnums[p], 0, wxALL | wxEXPAND, 5);
ConnectFocus(mEnums[p]);
gridSizer->Add(1, 1, 0);
gridSizer->Add(1, 1, 0);
gridSizer->Add(1, 1, 0);
}
else
{
if (port.mInteger)
{
fieldText.Printf(wxT("%d"), (int)(port.mControlBuffer + 0.5));
}
else
{
fieldText = Internat::ToDisplayString(port.mControlBuffer);
}
mFields[p] = new wxTextCtrl(w, p, fieldText);
mFields[p]->SetName(labelText);
gridSizer->Add(mFields[p], 0, wxALIGN_CENTER_VERTICAL | wxALL, 5);
ConnectFocus(mFields[p]);
wxString bound;
double lower = 0.0;
double upper = 0.0;
bool haslo = false;
bool hashi = false;
bool forceint = false;
wxString loLabel;
wxString hiLabel;
#if 0
ScalePointMap::const_iterator iter =
scalePoints.find(port.mIndex);
if (!wxNaN(port.mMin))
{
lower = port.mMin;
haslo = true;
if (iter != scalePoints.end())
{
std::map<float, wxString>::const_iterator iter2 =
iter->second.find(lower);
if (iter2 != iter->second.end())
{
loLabel = iter2->second;
}
}
}
if (!isnan(port.mMax))
{
upper = port.mMax;
hashi = true;
if (iter != scalePoints.end())
{
std::map<float, wxString>::const_iterator iter2 =
iter->second.find(upper);
if (iter2 != iter->second.end())
{
hiLabel = iter2->second;
}
}
}
#endif
if (port.mSampleRate)
{
lower *= mSampleRate * 1000;
upper *= mSampleRate;
forceint = true;
}
wxString str;
if (haslo)
{
str = loLabel;
if (str.IsEmpty())
{
if (port.mInteger || forceint)
{
str.Printf(wxT("%d"), (int)(lower + 0.5));
}
else
{
str = Internat::ToDisplayString(lower);
}
}
item = new wxStaticText(w, wxID_ANY, str);
gridSizer->Add(item, 0, wxALIGN_CENTER_VERTICAL | wxALIGN_RIGHT | wxALL, 5);
}
else
{
gridSizer->Add(1, 1, 0);
}
mSliders[p] =
new wxSlider(w, p,
0, 0, 1000,
wxDefaultPosition,
wxSize(200, -1));
mSliders[p]->SetName(labelText);
gridSizer->Add(mSliders[p], 0, wxALIGN_CENTER_VERTICAL | wxEXPAND | wxALL, 5);
ConnectFocus(mSliders[p]);
if (hashi)
{
str = hiLabel;
if (str.IsEmpty())
{
if (port.mInteger || forceint)
{
str.Printf(wxT("%d"), (int)(upper + 0.5));
}
else
{
str = Internat::ToDisplayString(upper);
}
}
item = new wxStaticText(w, wxID_ANY, str);
gridSizer->Add(item, 0, wxALIGN_CENTER_VERTICAL | wxALIGN_LEFT | wxALL, 5);
}
else
{
gridSizer->Add(1, 1, 0);
}
}
}
}
// Set all of the mSliders based on the value in the
// text mFields
inSlider = false; // Now we're ready for HandleText to actually do something.
HandleText();
w->SetSizer(paramSizer);
Layout();
Fit();
SetSizeHints(GetSize());
}
static void
gst_lv2_filter_base_init (gpointer g_class)
{
GstLV2FilterClass *klass = (GstLV2FilterClass *) g_class;
GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
LilvPlugin *lv2plugin;
LilvNode *val;
/* FIXME Handle channels positionning
* GstAudioChannelPosition position = GST_AUDIO_CHANNEL_POSITION_INVALID; */
guint j, in_pad_index = 0, out_pad_index = 0;
gchar *longname, *author;
lv2plugin = (LilvPlugin *) g_type_get_qdata (G_OBJECT_CLASS_TYPE (klass),
descriptor_quark);
g_assert (lv2plugin);
GST_INFO ("base_init %p, plugin %s", g_class,
lilv_node_get_turtle_token (lilv_plugin_get_uri (lv2plugin)));
klass->in_group.ports = g_array_new (FALSE, TRUE, sizeof (GstLV2FilterPort));
klass->out_group.ports = g_array_new (FALSE, TRUE, sizeof (GstLV2FilterPort));
klass->control_in_ports =
g_array_new (FALSE, TRUE, sizeof (GstLV2FilterPort));
klass->control_out_ports =
g_array_new (FALSE, TRUE, sizeof (GstLV2FilterPort));
/* find ports and groups */
for (j = 0; j < lilv_plugin_get_num_ports (lv2plugin); j++) {
const LilvPort *port = lilv_plugin_get_port_by_index (lv2plugin, j);
const gboolean is_input = lilv_port_is_a (lv2plugin, port, input_class);
struct _GstLV2FilterPort desc = { j, 0, };
LilvNodes *lv2group = lilv_port_get (lv2plugin, port, group_pred);
if (lv2group) {
/* port is part of a group */
const gchar *group_uri = lilv_node_as_uri (lv2group);
GstLV2FilterGroup *group =
is_input ? &klass->in_group : &klass->out_group;
if (group->uri == NULL) {
group->uri = g_strdup (group_uri);
group->pad = is_input ? in_pad_index++ : out_pad_index++;
group->ports = g_array_new (FALSE, TRUE, sizeof (GstLV2FilterPort));
}
/* FIXME Handle channels positionning
position = GST_AUDIO_CHANNEL_POSITION_FRONT_LEFT;
sub_values = lilv_port_get_value (lv2plugin, port, has_role_pred);
if (lilv_nodes_size (sub_values) > 0) {
LilvNode *role = lilv_nodes_get_at (sub_values, 0);
position = gst_lv2_filter_role_to_position (role);
}
lilv_nodes_free (sub_values);
if (position != GST_AUDIO_CHANNEL_POSITION_INVALID) {
desc.position = position;
} */
g_array_append_val (group->ports, desc);
} else {
/* port is not part of a group, or it is part of a group but that group
* is illegal so we just ignore it */
if (lilv_port_is_a (lv2plugin, port, audio_class)) {
desc.pad = is_input ? in_pad_index++ : out_pad_index++;
if (is_input)
g_array_append_val (klass->in_group.ports, desc);
else
g_array_append_val (klass->out_group.ports, desc);
} else if (lilv_port_is_a (lv2plugin, port, control_class)) {
if (is_input)
g_array_append_val (klass->control_in_ports, desc);
else
g_array_append_val (klass->control_out_ports, desc);
} else {
/* unknown port type */
GST_INFO ("unhandled port %d", j);
continue;
}
}
}
gst_lv2_filter_type_class_add_pad_templates (klass);
val = lilv_plugin_get_name (lv2plugin);
if (val) {
longname = g_strdup (lilv_node_as_string (val));
lilv_node_free (val);
} else {
longname = g_strdup ("no description available");
}
val = lilv_plugin_get_author_name (lv2plugin);
if (val) {
author = g_strdup (lilv_node_as_string (val));
lilv_node_free (val);
} else {
author = g_strdup ("no author available");
}
gst_element_class_set_metadata (element_class, longname,
"Filter/Effect/Audio/LV2", longname, author);
g_free (longname);
g_free (author);
klass->plugin = lv2plugin;
}
