PRIVATE LADSPA_Data get_default( ControlDescriptor *control, LADSPA_PortRangeHintDescriptor hint ) {
if( LADSPA_IS_HINT_HAS_DEFAULT( hint ) ) {
if( LADSPA_IS_HINT_DEFAULT_MINIMUM( hint ) )
return control->min;
if( LADSPA_IS_HINT_DEFAULT_LOW( hint ) )
return control->min * 0.75 + control->max * 0.25;
if( LADSPA_IS_HINT_DEFAULT_MIDDLE( hint ) )
return control->min * 0.5 + control->max * 0.5;
if( LADSPA_IS_HINT_DEFAULT_HIGH( hint ) )
return control->min * 0.25 + control->max * 0.75;
if( LADSPA_IS_HINT_DEFAULT_MAXIMUM( hint ) )
return control->max;
if( LADSPA_IS_HINT_DEFAULT_0( hint ) )
return 0.0;
if( LADSPA_IS_HINT_DEFAULT_1( hint ) )
return 1.0;
if( LADSPA_IS_HINT_DEFAULT_100( hint ) )
return 100.0;
if( LADSPA_IS_HINT_DEFAULT_440( hint ) )
return 440.0;
printf( "plugins says it has default... but i cant find out.\n" );
return 0.0;
} else
return 0.0;
}
static ControlData * parse_control (const LADSPA_Descriptor * desc, int port)
{
g_return_val_if_fail (desc->PortNames[port], NULL);
const LADSPA_PortRangeHint * hint = & desc->PortRangeHints[port];
ControlData * control = g_slice_new (ControlData);
control->port = port;
control->name = g_strdup (desc->PortNames[port]);
control->is_toggle = LADSPA_IS_HINT_TOGGLED (hint->HintDescriptor) ? 1 : 0;
control->min = LADSPA_IS_HINT_BOUNDED_BELOW (hint->HintDescriptor) ? hint->LowerBound :
LADSPA_IS_HINT_BOUNDED_ABOVE (hint->HintDescriptor) ? hint->UpperBound - 100 : -100;
control->max = LADSPA_IS_HINT_BOUNDED_ABOVE (hint->HintDescriptor) ? hint->UpperBound :
LADSPA_IS_HINT_BOUNDED_BELOW (hint->HintDescriptor) ? hint->LowerBound + 100 : 100;
if (LADSPA_IS_HINT_SAMPLE_RATE (hint->HintDescriptor))
{
control->min *= 96000;
control->max *= 96000;
}
if (LADSPA_IS_HINT_DEFAULT_0 (hint->HintDescriptor))
control->def = 0;
else if (LADSPA_IS_HINT_DEFAULT_1 (hint->HintDescriptor))
control->def = 1;
else if (LADSPA_IS_HINT_DEFAULT_100 (hint->HintDescriptor))
control->def = 100;
else if (LADSPA_IS_HINT_DEFAULT_440 (hint->HintDescriptor))
control->def = 440;
else if (LADSPA_IS_HINT_DEFAULT_MINIMUM (hint->HintDescriptor))
control->def = control->min;
else if (LADSPA_IS_HINT_DEFAULT_MAXIMUM (hint->HintDescriptor))
control->def = control->max;
else if (LADSPA_IS_HINT_DEFAULT_LOW (hint->HintDescriptor))
{
if (LADSPA_IS_HINT_LOGARITHMIC (hint->HintDescriptor))
control->def = expf (0.75 * logf (control->min) + 0.25 * logf (control->max));
else
control->def = 0.75 * control->min + 0.25 * control->max;
}
else if (LADSPA_IS_HINT_DEFAULT_HIGH (hint->HintDescriptor))
{
if (LADSPA_IS_HINT_LOGARITHMIC (hint->HintDescriptor))
control->def = expf (0.25 * logf (control->min) + 0.75 * logf (control->max));
else
control->def = 0.25 * control->min + 0.75 * control->max;
}
else
{
if (LADSPA_IS_HINT_LOGARITHMIC (hint->HintDescriptor))
control->def = expf (0.5 * logf (control->min) + 0.5 * logf (control->max));
else
control->def = 0.5 * control->min + 0.5 * control->max;
}
return control;
}
LADSPA_Data WiredLADSPAInstance::GetDefaultValue(t_gui_port *GuiPort, LADSPA_PortRangeHintDescriptor Descriptor)
{
if (LADSPA_IS_HINT_HAS_DEFAULT(Descriptor))
{
if(LADSPA_IS_HINT_DEFAULT_MINIMUM(Descriptor))
return GuiPort->LowerBound;
else if (LADSPA_IS_HINT_DEFAULT_LOW(Descriptor))
{
if (LADSPA_IS_HINT_LOGARITHMIC(Descriptor))
return (LADSPA_Data) expf(logf(GuiPort->LowerBound) * 0.75 + logf(GuiPort->UpperBound) * 0.25);
else
return (LADSPA_Data) GuiPort->LowerBound * 0.75 + GuiPort->UpperBound * 0.25;
}
else if (LADSPA_IS_HINT_DEFAULT_MIDDLE(Descriptor))
{
if (LADSPA_IS_HINT_LOGARITHMIC(Descriptor))
return (LADSPA_Data) expf(logf(GuiPort->LowerBound) * 0.5 + logf(GuiPort->UpperBound) * 0.5);
else
return (LADSPA_Data) GuiPort->LowerBound * 0.5 + GuiPort->UpperBound * 0.5;
}
else if (LADSPA_IS_HINT_DEFAULT_HIGH(Descriptor))
{
if (LADSPA_IS_HINT_LOGARITHMIC(Descriptor))
return (LADSPA_Data) expf(logf(GuiPort->LowerBound) * 0.25 + logf(GuiPort->UpperBound) * 0.75);
else
return (LADSPA_Data) GuiPort->LowerBound * 0.25 + GuiPort->UpperBound * 0.75;
}
else if (LADSPA_IS_HINT_DEFAULT_MAXIMUM(Descriptor))
return GuiPort->UpperBound;
else if (LADSPA_IS_HINT_DEFAULT_0(Descriptor))
return 0.0f;
else if (LADSPA_IS_HINT_DEFAULT_1(Descriptor))
return 1.0f;
else if (LADSPA_IS_HINT_DEFAULT_100(Descriptor))
return 100.0f;
else if (LADSPA_IS_HINT_DEFAULT_440(Descriptor))
return 440.0f;
}
return GuiPort->LowerBound;
}
static void set_default_ctl_value(LADSPAContext *s, int ctl,
unsigned long *map, LADSPA_Data *values)
{
const LADSPA_PortRangeHint *h = s->desc->PortRangeHints + map[ctl];
const LADSPA_Data lower = h->LowerBound;
const LADSPA_Data upper = h->UpperBound;
if (LADSPA_IS_HINT_DEFAULT_MINIMUM(h->HintDescriptor)) {
values[ctl] = lower;
} else if (LADSPA_IS_HINT_DEFAULT_MAXIMUM(h->HintDescriptor)) {
values[ctl] = upper;
} else if (LADSPA_IS_HINT_DEFAULT_0(h->HintDescriptor)) {
values[ctl] = 0.0;
} else if (LADSPA_IS_HINT_DEFAULT_1(h->HintDescriptor)) {
values[ctl] = 1.0;
} else if (LADSPA_IS_HINT_DEFAULT_100(h->HintDescriptor)) {
values[ctl] = 100.0;
} else if (LADSPA_IS_HINT_DEFAULT_440(h->HintDescriptor)) {
values[ctl] = 440.0;
} else if (LADSPA_IS_HINT_DEFAULT_LOW(h->HintDescriptor)) {
if (LADSPA_IS_HINT_LOGARITHMIC(h->HintDescriptor))
values[ctl] = exp(log(lower) * 0.75 + log(upper) * 0.25);
else
values[ctl] = lower * 0.75 + upper * 0.25;
} else if (LADSPA_IS_HINT_DEFAULT_MIDDLE(h->HintDescriptor)) {
if (LADSPA_IS_HINT_LOGARITHMIC(h->HintDescriptor))
values[ctl] = exp(log(lower) * 0.5 + log(upper) * 0.5);
else
values[ctl] = lower * 0.5 + upper * 0.5;
} else if (LADSPA_IS_HINT_DEFAULT_HIGH(h->HintDescriptor)) {
if (LADSPA_IS_HINT_LOGARITHMIC(h->HintDescriptor))
values[ctl] = exp(log(lower) * 0.25 + log(upper) * 0.75);
else
values[ctl] = lower * 0.25 + upper * 0.75;
}
}
/* initialize the ladspavidbodeshifter's class */
static void
gst_ladspa_vid_bodeshifter_class_init (GstLadspaVidBodeshifterClass * klass)
{
GObjectClass *gobject_class;
GstElementClass *gstelement_class;
int i=0,param_index=0;
char param_str[256];
LADSPA_Data default_value;
memset(&klass->plugin,0,sizeof(ladspa_plugin));
printf("init plugin\n");
ladspa_load_plugin("/usr/lib/ladspa/bode_shifter_1431.so",&klass->plugin);
gobject_class = (GObjectClass *) klass;
gstelement_class = (GstElementClass *) klass;
gobject_class->set_property = gst_ladspa_vid_bodeshifter_set_property;
gobject_class->get_property = gst_ladspa_vid_bodeshifter_get_property;
g_object_class_install_property (gobject_class, PROP_SILENT,
g_param_spec_boolean ("silent", "Silent", "Produce verbose output ?",
FALSE, G_PARAM_READWRITE));
for(i=0;i<klass->plugin.pd->PortCount;i++) {
if( ( klass->plugin.pd->PortDescriptors[i] & LADSPA_PORT_CONTROL)
&& ( klass->plugin.pd->PortDescriptors[i] & LADSPA_PORT_INPUT ) ) {
printf("param_index %i\n",param_index);
sprintf(param_str,"param%i",param_index);
default_value=0.0;
if( ( LADSPA_IS_HINT_DEFAULT_MINIMUM(klass->plugin.pd->PortRangeHints[i].HintDescriptor) )
|| ( LADSPA_IS_HINT_DEFAULT_LOW(klass->plugin.pd->PortRangeHints[i].HintDescriptor) )
|| ( LADSPA_IS_HINT_DEFAULT_MIDDLE(klass->plugin.pd->PortRangeHints[i].HintDescriptor) )
) {
default_value = klass->plugin.pd->PortRangeHints[i].LowerBound;
}
if( ( LADSPA_IS_HINT_DEFAULT_HIGH(klass->plugin.pd->PortRangeHints[i].HintDescriptor) )
|| ( LADSPA_IS_HINT_DEFAULT_MAXIMUM(klass->plugin.pd->PortRangeHints[i].HintDescriptor) )
) {
default_value = klass->plugin.pd->PortRangeHints[i].UpperBound;
}
if( ( LADSPA_IS_HINT_DEFAULT_0(klass->plugin.pd->PortRangeHints[i].HintDescriptor) )) {
default_value = 0.0;
}
if( ( LADSPA_IS_HINT_DEFAULT_1(klass->plugin.pd->PortRangeHints[i].HintDescriptor) )) {
default_value = 1.0;
}
if( ( LADSPA_IS_HINT_DEFAULT_100(klass->plugin.pd->PortRangeHints[i].HintDescriptor) )) {
default_value = 100.0;
}
if( ( LADSPA_IS_HINT_DEFAULT_440(klass->plugin.pd->PortRangeHints[i].HintDescriptor) )) {
default_value = 440.0;
}
printf("default_value %f\n",default_value);
g_object_class_install_property (gobject_class, PROP_DYNAMIC + param_index,
g_param_spec_float (param_str, param_str, klass->plugin.pd->PortNames[i],
klass->plugin.pd->PortRangeHints[i].LowerBound,
klass->plugin.pd->PortRangeHints[i].UpperBound,
default_value,
G_PARAM_READWRITE | GST_PARAM_CONTROLLABLE));
param_index++;
}
}
/*
g_object_class_install_property (gobject_class, PROP_RATE,
g_param_spec_long ("rate", "Rate", "LADSPA sample frequency",
1,128000,44100,
G_PARAM_READWRITE | GST_PARAM_CONTROLLABLE));
g_object_class_install_property (gobject_class, PROP_DELAY,
g_param_spec_float ("delay", "Delay", "Delay base (ms)",
0.1, 25.0, 0.5,
G_PARAM_READWRITE | GST_PARAM_CONTROLLABLE));
g_object_class_install_property (gobject_class, PROP_MAX_SLOW,
g_param_spec_float ("max_slow", "Max slowdown (ms)", "Max slowdown (ms)",
0.0, 10.0, 0.1,
G_PARAM_READWRITE | GST_PARAM_CONTROLLABLE));
g_object_class_install_property (gobject_class, PROP_LFO,
g_param_spec_float ("lfo", "LFO", "LFO frequency (Hz)",
0.05, 100.0, 0.1,
G_PARAM_READWRITE | GST_PARAM_CONTROLLABLE));
g_object_class_install_property (gobject_class, PROP_FEEDBACK,
g_param_spec_float ("feedback", "Feedback", "Feedback",
-1.0, 1.0, -0.3,
G_PARAM_READWRITE | GST_PARAM_CONTROLLABLE));
*/
}
//==============================================================================
void DssiPlugin::setDefaultProgram ()
{
if (ladspa == 0)
return;
// TODO - keep in a function instead !
for (int i = 0; i < pars.size (); i++)
{
const LADSPA_PortRangeHint* hint = & ladspa->PortRangeHints [pars [i]];
float lower = hint->LowerBound *
(LADSPA_IS_HINT_SAMPLE_RATE (hint->HintDescriptor) ? samplingRate : 1.0f);
float upper = hint->UpperBound *
(LADSPA_IS_HINT_SAMPLE_RATE (hint->HintDescriptor) ? samplingRate : 1.0f);
if (LADSPA_IS_HINT_HAS_DEFAULT (hint->HintDescriptor))
{
if (LADSPA_IS_HINT_DEFAULT_0 (hint->HintDescriptor))
{
normalized [i] = 0.0f;
params [i] = 0.0f;
}
if (LADSPA_IS_HINT_DEFAULT_1 (hint->HintDescriptor))
{
normalized [i] = 1.0f;
params [i] = 1.0f;
}
if (LADSPA_IS_HINT_DEFAULT_100 (hint->HintDescriptor))
{
normalized [i] = 100.0f;
params [i] = 0.5f;
}
if (LADSPA_IS_HINT_DEFAULT_440 (hint->HintDescriptor))
{
normalized [i] = 440.0f;
params [i] = 0.5f;
}
if (LADSPA_IS_HINT_BOUNDED_BELOW(hint->HintDescriptor)
&& LADSPA_IS_HINT_DEFAULT_MINIMUM (hint->HintDescriptor))
{
normalized [i] = lower;
params [i] = 0.0f;
}
if (LADSPA_IS_HINT_BOUNDED_BELOW(hint->HintDescriptor)
&& LADSPA_IS_HINT_DEFAULT_MINIMUM (hint->HintDescriptor))
{
normalized [i] = lower;
params [i] = 0.0f;
}
if (LADSPA_IS_HINT_BOUNDED_ABOVE(hint->HintDescriptor)
&& LADSPA_IS_HINT_DEFAULT_MAXIMUM (hint->HintDescriptor))
{
normalized [i] = upper;
params [i] = 1.0f;
}
if (LADSPA_IS_HINT_BOUNDED_BELOW(hint->HintDescriptor))
{
if (LADSPA_IS_HINT_LOGARITHMIC(hint->HintDescriptor)
&& lower > 0.0f && upper > 0.0f)
{
if (LADSPA_IS_HINT_DEFAULT_LOW(hint->HintDescriptor)) {
normalized [i] = expf(logf(lower) * 0.75f + logf(upper) * 0.25f);
params [i] = 0.25f;
} else if (LADSPA_IS_HINT_DEFAULT_MIDDLE(hint->HintDescriptor)) {
normalized [i] = expf(logf(lower) * 0.5f + logf(upper) * 0.5f);
params [i] = 0.5f;
} else if (LADSPA_IS_HINT_DEFAULT_HIGH(hint->HintDescriptor)) {
normalized [i] = expf(logf(lower) * 0.25f + logf(upper) * 0.75f);
params [i] = 0.75f;
}
}
else
{
if (LADSPA_IS_HINT_DEFAULT_LOW(hint->HintDescriptor)) {
normalized [i] = lower * 0.75f + upper * 0.25f;
params [i] = 0.25f;
} else if (LADSPA_IS_HINT_DEFAULT_MIDDLE(hint->HintDescriptor)) {
normalized [i] = lower * 0.5f + upper * 0.5f;
params [i] = 0.5f;
} else if (LADSPA_IS_HINT_DEFAULT_HIGH(hint->HintDescriptor)) {
normalized [i] = lower * 0.25f + upper * 0.75f;
params [i] = 0.75f;
}
}
}
}
else
{
normalized [i] = 0.0f;
params [i] = 0.0f;
}
}
}
LadspaEffect::LadspaEffect(const LADSPA_Descriptor *data,
const std::set<wxString>& categories)
: mCategories(categories) {
mData = data;
pluginName = LAT1CTOWX(mData->Name);
fInBuffer = NULL;
fOutBuffer = NULL;
inputs = 0;
outputs = 0;
numInputControls = 0;
mLength = 0;
unsigned long p;
inputPorts = new unsigned long [mData->PortCount];
outputPorts = new unsigned long [mData->PortCount];
inputControls = new float [mData->PortCount];
outputControls = new float [mData->PortCount];
for(p=0; p<mData->PortCount; p++) {
LADSPA_PortDescriptor d = mData->PortDescriptors[p];
if (LADSPA_IS_PORT_AUDIO(d)) {
if (LADSPA_IS_PORT_INPUT(d)) {
inputPorts[inputs] = p;
inputs++;
}
else if (LADSPA_IS_PORT_OUTPUT(d)) {
outputPorts[outputs] = p;
outputs++;
}
}
if (LADSPA_IS_PORT_CONTROL(d) &&
LADSPA_IS_PORT_INPUT(d)) {
numInputControls++;
float val = float(1.0);
LADSPA_PortRangeHint hint = mData->PortRangeHints[p];
if (LADSPA_IS_HINT_BOUNDED_BELOW(hint.HintDescriptor) &&
val < hint.LowerBound)
val = hint.LowerBound;
if (LADSPA_IS_HINT_BOUNDED_ABOVE(hint.HintDescriptor) &&
val > hint.UpperBound)
val = hint.UpperBound;
if (LADSPA_IS_HINT_DEFAULT_MINIMUM(hint.HintDescriptor))
val = hint.LowerBound;
if (LADSPA_IS_HINT_DEFAULT_LOW(hint.HintDescriptor))
val = hint.LowerBound * 0.75f + hint.UpperBound * 0.25f;
if (LADSPA_IS_HINT_DEFAULT_MIDDLE(hint.HintDescriptor))
val = hint.LowerBound * 0.5f + hint.UpperBound * 0.5f;
if (LADSPA_IS_HINT_DEFAULT_HIGH(hint.HintDescriptor))
val = hint.LowerBound * 0.25f + hint.UpperBound * 0.75f;
if (LADSPA_IS_HINT_DEFAULT_MAXIMUM(hint.HintDescriptor))
val = hint.UpperBound;
if (LADSPA_IS_HINT_SAMPLE_RATE(hint.HintDescriptor))
val *= mProjectRate;
if (LADSPA_IS_HINT_DEFAULT_0(hint.HintDescriptor))
val = 0.0f;
if (LADSPA_IS_HINT_DEFAULT_1(hint.HintDescriptor))
val = 1.0f;
if (LADSPA_IS_HINT_DEFAULT_100(hint.HintDescriptor))
val = 100.0f;
if (LADSPA_IS_HINT_DEFAULT_440(hint.HintDescriptor))
val = 440.0f;
inputControls[p] = val;
}
}
flags = PLUGIN_EFFECT;
if (inputs == 0)
flags |= INSERT_EFFECT;
else if (outputs == 0)
flags |= ANALYZE_EFFECT;
else
flags |= PROCESS_EFFECT;
}
LADSPA_Data
plugin_desc_get_default_control_value (plugin_desc_t * pd, unsigned long port_index, guint32 sample_rate)
{
LADSPA_Data upper, lower;
LADSPA_PortRangeHintDescriptor hint_descriptor;
hint_descriptor = pd->port_range_hints[port_index].HintDescriptor;
/* set upper and lower, possibly adjusted to the sample rate */
if (LADSPA_IS_HINT_SAMPLE_RATE(hint_descriptor)) {
upper = pd->port_range_hints[port_index].UpperBound * (LADSPA_Data) sample_rate;
lower = pd->port_range_hints[port_index].LowerBound * (LADSPA_Data) sample_rate;
} else {
upper = pd->port_range_hints[port_index].UpperBound;
lower = pd->port_range_hints[port_index].LowerBound;
}
if (LADSPA_IS_HINT_LOGARITHMIC(hint_descriptor))
{
if (lower < FLT_EPSILON)
lower = FLT_EPSILON;
}
if (LADSPA_IS_HINT_HAS_DEFAULT(hint_descriptor)) {
if (LADSPA_IS_HINT_DEFAULT_MINIMUM(hint_descriptor)) {
return lower;
} else if (LADSPA_IS_HINT_DEFAULT_LOW(hint_descriptor)) {
if (LADSPA_IS_HINT_LOGARITHMIC(hint_descriptor)) {
return exp(log(lower) * 0.75 + log(upper) * 0.25);
} else {
return lower * 0.75 + upper * 0.25;
}
} else if (LADSPA_IS_HINT_DEFAULT_MIDDLE(hint_descriptor)) {
if (LADSPA_IS_HINT_LOGARITHMIC(hint_descriptor)) {
return exp(log(lower) * 0.5 + log(upper) * 0.5);
} else {
return lower * 0.5 + upper * 0.5;
}
} else if (LADSPA_IS_HINT_DEFAULT_HIGH(hint_descriptor)) {
if (LADSPA_IS_HINT_LOGARITHMIC(hint_descriptor)) {
return exp(log(lower) * 0.25 + log(upper) * 0.75);
} else {
return lower * 0.25 + upper * 0.75;
}
} else if (LADSPA_IS_HINT_DEFAULT_MAXIMUM(hint_descriptor)) {
return upper;
} else if (LADSPA_IS_HINT_DEFAULT_0(hint_descriptor)) {
return 0.0;
} else if (LADSPA_IS_HINT_DEFAULT_1(hint_descriptor)) {
if (LADSPA_IS_HINT_SAMPLE_RATE(hint_descriptor)) {
return (LADSPA_Data) sample_rate;
} else {
return 1.0;
}
} else if (LADSPA_IS_HINT_DEFAULT_100(hint_descriptor)) {
if (LADSPA_IS_HINT_SAMPLE_RATE(hint_descriptor)) {
return 100.0 * (LADSPA_Data) sample_rate;
} else {
return 100.0;
}
} else if (LADSPA_IS_HINT_DEFAULT_440(hint_descriptor)) {
if (LADSPA_IS_HINT_SAMPLE_RATE(hint_descriptor)) {
return 440.0 * (LADSPA_Data) sample_rate;
} else {
return 440.0;
}
}
} else { /* try and find a reasonable default */
if (LADSPA_IS_HINT_BOUNDED_BELOW(hint_descriptor)) {
return lower;
} else if (LADSPA_IS_HINT_BOUNDED_ABOVE(hint_descriptor)) {
return upper;
}
}
return 0.0;
}
static GParamSpec *
gst_ladspa_class_get_param_spec (GstLADSPAClass * klass, gint portnum)
{
LADSPA_Descriptor *desc;
GParamSpec *ret;
gchar *name;
gint hintdesc, perms;
gfloat lower, upper, def;
desc = klass->descriptor;
name = gst_ladspa_class_get_param_name (klass, portnum);
perms = G_PARAM_READABLE;
if (LADSPA_IS_PORT_INPUT (desc->PortDescriptors[portnum]))
perms |= G_PARAM_WRITABLE | G_PARAM_CONSTRUCT;
if (LADSPA_IS_PORT_CONTROL (desc->PortDescriptors[portnum]))
perms |= GST_PARAM_CONTROLLABLE;
/* short name for hint descriptor */
hintdesc = desc->PortRangeHints[portnum].HintDescriptor;
if (LADSPA_IS_HINT_TOGGLED (hintdesc)) {
ret = g_param_spec_boolean (name, name, name, FALSE, perms);
g_free (name);
return ret;
}
if (LADSPA_IS_HINT_BOUNDED_BELOW (hintdesc))
lower = desc->PortRangeHints[portnum].LowerBound;
else
lower = -G_MAXFLOAT;
if (LADSPA_IS_HINT_BOUNDED_ABOVE (hintdesc))
upper = desc->PortRangeHints[portnum].UpperBound;
else
upper = G_MAXFLOAT;
if (LADSPA_IS_HINT_SAMPLE_RATE (hintdesc)) {
/* FIXME! */
lower *= 44100;
upper *= 44100;
}
if (LADSPA_IS_HINT_INTEGER (hintdesc)) {
lower = CLAMP (lower, G_MININT, G_MAXINT);
upper = CLAMP (upper, G_MININT, G_MAXINT);
}
/* default to lower bound */
def = lower;
#ifdef LADSPA_IS_HINT_HAS_DEFAULT
if (LADSPA_IS_HINT_HAS_DEFAULT (hintdesc)) {
if (LADSPA_IS_HINT_DEFAULT_0 (hintdesc))
def = 0.0;
else if (LADSPA_IS_HINT_DEFAULT_1 (hintdesc))
def = 1.0;
else if (LADSPA_IS_HINT_DEFAULT_100 (hintdesc))
def = 100.0;
else if (LADSPA_IS_HINT_DEFAULT_440 (hintdesc))
def = 440.0;
if (LADSPA_IS_HINT_DEFAULT_MINIMUM (hintdesc))
def = lower;
else if (LADSPA_IS_HINT_DEFAULT_MAXIMUM (hintdesc))
def = upper;
else if (LADSPA_IS_HINT_LOGARITHMIC (hintdesc)) {
if (LADSPA_IS_HINT_DEFAULT_LOW (hintdesc))
def = exp (0.75 * log (lower) + 0.25 * log (upper));
else if (LADSPA_IS_HINT_DEFAULT_MIDDLE (hintdesc))
def = exp (0.5 * log (lower) + 0.5 * log (upper));
else if (LADSPA_IS_HINT_DEFAULT_HIGH (hintdesc))
def = exp (0.25 * log (lower) + 0.75 * log (upper));
} else {
if (LADSPA_IS_HINT_DEFAULT_LOW (hintdesc))
def = 0.75 * lower + 0.25 * upper;
else if (LADSPA_IS_HINT_DEFAULT_MIDDLE (hintdesc))
def = 0.5 * lower + 0.5 * upper;
else if (LADSPA_IS_HINT_DEFAULT_HIGH (hintdesc))
def = 0.25 * lower + 0.75 * upper;
}
}
#endif /* LADSPA_IS_HINT_HAS_DEFAULT */
if (lower > upper) {
gfloat tmp;
/* silently swap */
tmp = lower;
lower = upper;
upper = tmp;
}
def = CLAMP (def, lower, upper);
if (LADSPA_IS_HINT_INTEGER (hintdesc)) {
ret = g_param_spec_int (name, name, name, lower, upper, def, perms);
} else {
ret = g_param_spec_float (name, name, name, lower, upper, def, perms);
}
g_free (name);
return ret;
}
int lp_ladspa_knob_float::init(const LADSPA_Descriptor *descriptor,
unsigned long port,
int samplerate)
{
LADSPA_Data f_val, f_low, f_high;
if(descriptor == 0){
std::cerr << "lp_ladspa_slider_int::" << __FUNCTION__ << ": pdescriptor is Null\n";
return -1;
}
pv_samplerate = samplerate;
LADSPA_PortRangeHintDescriptor hints;
hints = descriptor->PortRangeHints[port].HintDescriptor;
LADSPA_PortRangeHint range_hints;
range_hints = descriptor->PortRangeHints[port];
if(LADSPA_IS_HINT_BOUNDED_BELOW(hints)){
f_val = range_hints.LowerBound;
if(LADSPA_IS_HINT_SAMPLE_RATE(hints) && f_val != 0){
f_val = f_val * (LADSPA_Data)pv_samplerate;
}
pv_low_val = (double)f_val;
f_low = f_val;
}else{
// Set a default val
pv_low_val = pv_default_low_val;
f_low = (LADSPA_Data)pv_default_low_val;
}
if(LADSPA_IS_HINT_BOUNDED_ABOVE(hints)){
f_val = range_hints.UpperBound;
if(LADSPA_IS_HINT_SAMPLE_RATE(hints) && f_val != 0){
f_val = f_val * (LADSPA_Data)pv_samplerate;
}
pv_high_val = (double)f_val;
f_high = f_val;
}else{
// Set a default val
pv_high_val = pv_default_high_val;
f_high = (LADSPA_Data)pv_default_high_val;
}
if(LADSPA_IS_HINT_LOGARITHMIC(hints)){
pv_is_log = true;
// verifiy we have somthing else than 0
if(pv_low_val == 0){
pv_low_val = pv_default_low_val;
}
if(pv_high_val == 0){
pv_high_val = pv_default_high_val;
}
// Set the log scale
kb_val->setScaleEngine(log10_scale_engine);
kb_val->setScale(pv_low_val, pv_high_val);
// Set this range to the spinbox
sp_val->setRange(pv_low_val, pv_high_val);
// Calcule the slider range
double d_low, d_high;
d_low = log10(pv_low_val);
d_high = log10(pv_high_val);
// Set range to the slider
kb_val->setRange(d_low, d_high);
}else{
// Set range to the slider and spinbox
kb_val->setRange(pv_low_val, pv_high_val);
sp_val->setRange(pv_low_val, pv_high_val);
}
// Store the range in f_val's
f_low = (LADSPA_Data)pv_low_val;
f_high = (LADSPA_Data)pv_high_val;
// Default values
if(LADSPA_IS_HINT_HAS_DEFAULT(hints)){
if(LADSPA_IS_HINT_DEFAULT_MINIMUM(hints)){
pv_def_val = pv_low_val;
}
if(LADSPA_IS_HINT_DEFAULT_MAXIMUM(hints)){
pv_def_val = pv_high_val;
}
if(LADSPA_IS_HINT_DEFAULT_LOW(hints)){
if(LADSPA_IS_HINT_LOGARITHMIC(hints)){
f_val = exp(log(f_low)*0.75f + log(f_high)*0.25f);
}else{
f_val = (f_low*0.75f + f_high*0.25f);
}
}
if(LADSPA_IS_HINT_DEFAULT_MIDDLE(hints)){
if(LADSPA_IS_HINT_LOGARITHMIC(hints)){
f_val = exp(log(f_low)*0.5f + log(f_high)*0.5f);
}else{
f_val = (f_low*0.5f + f_high*0.5f);
}
}
if(LADSPA_IS_HINT_DEFAULT_HIGH(hints)){
if(LADSPA_IS_HINT_LOGARITHMIC(hints)){
f_val = exp(log(f_low)*0.25f + log(f_high)*0.75f);
}else{
f_val = (f_low*0.25f + f_high*0.75f);
}
}
if(LADSPA_IS_HINT_DEFAULT_0(hints)){
f_val = 0.0f;
}
if(LADSPA_IS_HINT_DEFAULT_1(hints)){
f_val = 1.0f;
}
if(LADSPA_IS_HINT_DEFAULT_100(hints)){
f_val = 100.0f;
}
if(LADSPA_IS_HINT_DEFAULT_440(hints)){
f_val = 440.0f;
}
// Set default value
pv_def_val = (double)f_val;
}else{
pv_def_val = pv_low_val;
}
txt_name->setText(descriptor->PortNames[port]);
// set the middle value
set_def_val();
emit_changed(pv_def_val);
return 0;
}
bool LadspaEffect::SetHost(EffectHostInterface *host)
{
mHost = host;
if (!Load())
{
return false;
}
mInputPorts = new unsigned long [mData->PortCount];
mOutputPorts = new unsigned long [mData->PortCount];
mInputControls = new float [mData->PortCount];
mOutputControls = new float [mData->PortCount];
for (unsigned long p = 0; p < mData->PortCount; p++)
{
LADSPA_PortDescriptor d = mData->PortDescriptors[p];
// Collect the audio ports
if (LADSPA_IS_PORT_AUDIO(d))
{
if (LADSPA_IS_PORT_INPUT(d))
{
mInputPorts[mAudioIns++] = p;
}
else if (LADSPA_IS_PORT_OUTPUT(d))
{
mOutputPorts[mAudioOuts++] = p;
}
}
// Determine the port's default value
else if (LADSPA_IS_PORT_CONTROL(d) && LADSPA_IS_PORT_INPUT(d))
{
mInteractive = true;
LADSPA_PortRangeHint hint = mData->PortRangeHints[p];
float val = float(1.0);
float lower = hint.LowerBound;
float upper = hint.UpperBound;
if (LADSPA_IS_HINT_SAMPLE_RATE(hint.HintDescriptor))
{
lower *= mSampleRate;
upper *= mSampleRate;
}
if (LADSPA_IS_HINT_BOUNDED_BELOW(hint.HintDescriptor) && val < lower)
{
val = lower;
}
if (LADSPA_IS_HINT_BOUNDED_ABOVE(hint.HintDescriptor) && val > upper)
{
val = upper;
}
if (LADSPA_IS_HINT_DEFAULT_MINIMUM(hint.HintDescriptor))
{
val = lower;
}
if (LADSPA_IS_HINT_DEFAULT_MAXIMUM(hint.HintDescriptor))
{
val = upper;
}
if (LADSPA_IS_HINT_DEFAULT_LOW(hint.HintDescriptor))
{
if (LADSPA_IS_HINT_LOGARITHMIC(hint.HintDescriptor))
{
val = exp(log(lower)) * 0.75f + log(upper) * 0.25f;
}
else
{
val = lower * 0.75f + upper * 0.25f;
}
}
if (LADSPA_IS_HINT_DEFAULT_MIDDLE(hint.HintDescriptor))
{
if (LADSPA_IS_HINT_LOGARITHMIC(hint.HintDescriptor))
{
val = exp(log(lower)) * 0.5f + log(upper) * 0.5f;
}
else
{
val = lower * 0.5f + upper * 0.5f;
}
}
if (LADSPA_IS_HINT_DEFAULT_HIGH(hint.HintDescriptor))
{
if (LADSPA_IS_HINT_LOGARITHMIC(hint.HintDescriptor))
{
val = exp(log(lower)) * 0.25f + log(upper) * 0.75f;
}
else
{
val = lower * 0.25f + upper * 0.75f;
}
}
if (LADSPA_IS_HINT_DEFAULT_0(hint.HintDescriptor))
{
val = 0.0f;
}
if (LADSPA_IS_HINT_DEFAULT_1(hint.HintDescriptor))
{
val = 1.0f;
}
if (LADSPA_IS_HINT_DEFAULT_100(hint.HintDescriptor))
{
val = 100.0f;
}
if (LADSPA_IS_HINT_DEFAULT_440(hint.HintDescriptor))
{
val = 440.0f;
}
mNumInputControls++;
mInputControls[p] = val;
}
else if (LADSPA_IS_PORT_CONTROL(d) && LADSPA_IS_PORT_OUTPUT(d))
{
mInteractive = true;
mNumOutputControls++;
mOutputControls[p] = 0.0;
// Ladspa effects have a convention of providing latency on an output
// control port whose name is "latency".
if (strcmp(mData->PortNames[p], "latency") == 0)
{
mLatencyPort = p;
}
}
}
// mHost will be null during registration
if (mHost)
{
mHost->GetSharedConfig(wxT("Settings"), wxT("BufferSize"), mUserBlockSize, 8192);
mBlockSize = mUserBlockSize;
bool haveDefaults;
mHost->GetPrivateConfig(wxT("Default"), wxT("Initialized"), haveDefaults, false);
if (!haveDefaults)
{
SaveParameters(wxT("Default"));
mHost->SetPrivateConfig(wxT("Default"), wxT("Initialized"), true);
}
LoadParameters(wxT("Current"));
}
return true;
}
void PluginAClientConfig::initialize(PluginServer *server)
{
delete_objects();
const LADSPA_Descriptor *lad_desc = server->lad_descriptor;
const LADSPA_PortDescriptor *port_desc = lad_desc->PortDescriptors;
const LADSPA_PortRangeHint *lad_hint = lad_desc->PortRangeHints;
int port_count = lad_desc->PortCount;
for(int i = 0; i < port_count; i++) {
if( !LADSPA_IS_PORT_INPUT(port_desc[i]) ) continue;
if( !LADSPA_IS_PORT_CONTROL(port_desc[i]) ) continue;
++total_ports;
}
port_data = new LADSPA_Data[total_ports];
port_type = new int[total_ports];
for(int port = 0, i = 0; i < port_count; i++) {
if( !LADSPA_IS_PORT_INPUT(port_desc[i]) ) continue;
if( !LADSPA_IS_PORT_CONTROL(port_desc[i]) ) continue;
// Convert LAD default to default value
float value = 0.0;
LADSPA_PortRangeHintDescriptor hint_desc = lad_hint->HintDescriptor;
// Store type of port for GUI use
port_type[port] = PORT_NORMAL;
if( LADSPA_IS_HINT_SAMPLE_RATE(hint_desc) /* &&
LADSPA_IS_HINT_BOUNDED_ABOVE(hint_desc) &&
LADSPA_IS_HINT_BOUNDED_BELOW(hint_desc) */ ) // LAD frequency table
port_type[port] = PORT_FREQ_INDEX;
else if(LADSPA_IS_HINT_TOGGLED(hint_desc))
port_type[port] = PORT_TOGGLE;
else if(LADSPA_IS_HINT_INTEGER(hint_desc))
port_type[port] = PORT_INTEGER;
// Get default of port using crazy hinting system
if( LADSPA_IS_HINT_DEFAULT_0(hint_desc) )
value = 0.0;
else if( LADSPA_IS_HINT_DEFAULT_1(hint_desc) )
value = 1.0;
else if( LADSPA_IS_HINT_DEFAULT_100(hint_desc) )
value = 100.0;
else if( LADSPA_IS_HINT_DEFAULT_440(hint_desc) )
value = port_type[port] == PORT_FREQ_INDEX ?
440.0 / 44100 : 440.0;
else if( LADSPA_IS_HINT_DEFAULT_MAXIMUM(hint_desc) )
value = lad_hint->UpperBound;
else if( LADSPA_IS_HINT_DEFAULT_MINIMUM(hint_desc) )
value = lad_hint->LowerBound;
else if( LADSPA_IS_HINT_DEFAULT_LOW(hint_desc) )
value = LADSPA_IS_HINT_LOGARITHMIC(hint_desc) ?
exp(log(lad_hint->LowerBound) * 0.25 +
log(lad_hint->UpperBound) * 0.75) :
lad_hint->LowerBound * 0.25 +
lad_hint->UpperBound * 0.75;
else if( LADSPA_IS_HINT_DEFAULT_MIDDLE(hint_desc) )
value = LADSPA_IS_HINT_LOGARITHMIC(hint_desc) ?
exp(log(lad_hint->LowerBound) * 0.5 +
log(lad_hint->UpperBound) * 0.5) :
lad_hint->LowerBound * 0.5 +
lad_hint->UpperBound * 0.5;
else if( LADSPA_IS_HINT_DEFAULT_HIGH(hint_desc) )
value = LADSPA_IS_HINT_LOGARITHMIC(hint_desc) ?
exp(log(lad_hint->LowerBound) * 0.75 +
log(lad_hint->UpperBound) * 0.25) :
lad_hint->LowerBound * 0.75 +
lad_hint->UpperBound * 0.25;
port_data[port] = value;
++port;
}
}