#include "midi++/manager.h"
-#include "ardour/ardour.h"
#include "ardour/session.h"
-#include "ardour/audioengine.h"
#include "ardour/ladspa_plugin.h"
#include "ardour/buffer_set.h"
#include "ardour/audio_buffer.h"
}
else if (LADSPA_IS_HINT_DEFAULT_LOW(prh[port].HintDescriptor)) {
- if (LADSPA_IS_HINT_LOGARITHMIC(prh[port].HintDescriptor)) {
- ret = exp(log(prh[port].LowerBound) * 0.75f + log(prh[port].UpperBound) * 0.25f);
- }
- else {
- ret = prh[port].LowerBound * 0.75f + prh[port].UpperBound * 0.25f;
- }
+ ret = prh[port].LowerBound * 0.75f + prh[port].UpperBound * 0.25f;
bounds_given = true;
sr_scaling = true;
}
else if (LADSPA_IS_HINT_DEFAULT_MIDDLE(prh[port].HintDescriptor)) {
- if (LADSPA_IS_HINT_LOGARITHMIC(prh[port].HintDescriptor)) {
- ret = exp(log(prh[port].LowerBound) * 0.5f + log(prh[port].UpperBound) * 0.5f);
- }
- else {
- ret = prh[port].LowerBound * 0.5f + prh[port].UpperBound * 0.5f;
- }
+ ret = prh[port].LowerBound * 0.5f + prh[port].UpperBound * 0.5f;
bounds_given = true;
sr_scaling = true;
}
else if (LADSPA_IS_HINT_DEFAULT_HIGH(prh[port].HintDescriptor)) {
- if (LADSPA_IS_HINT_LOGARITHMIC(prh[port].HintDescriptor)) {
- ret = exp(log(prh[port].LowerBound) * 0.25f + log(prh[port].UpperBound) * 0.75f);
- }
- else {
- ret = prh[port].LowerBound * 0.25f + prh[port].UpperBound * 0.75f;
- }
+ ret = prh[port].LowerBound * 0.25f + prh[port].UpperBound * 0.75f;
bounds_given = true;
sr_scaling = true;
}
LadspaPlugin::set_parameter (uint32_t which, float val)
{
if (which < _descriptor->PortCount) {
+
+ if (get_parameter (which) == val) {
+ return;
+ }
+
_shadow_data[which] = (LADSPA_Data) val;
-#if 0
+#if 0
if (which < parameter_count() && controls[which]) {
controls[which]->Changed ();
}
#endif
} else {
- warning << string_compose (_("illegal parameter number used with plugin \"%1\". This may"
- "indicate a change in the plugin design, and presets may be"
+ warning << string_compose (_("illegal parameter number used with plugin \"%1\". This may "
+ "indicate a change in the plugin design, and presets may be "
"invalid"), name())
<< endmsg;
}
Plugin::set_parameter (which, val);
}
+/** @return `plugin' value */
float
LadspaPlugin::get_parameter (uint32_t which) const
{
pframes_t nframes, framecnt_t offset)
{
Plugin::connect_and_run (bufs, in_map, out_map, nframes, offset);
-
+
cycles_t now;
cycles_t then = get_cycles ();
+ BufferSet& silent_bufs = _session.get_silent_buffers(ChanCount(DataType::AUDIO, 1));
+ BufferSet& scratch_bufs = _session.get_silent_buffers(ChanCount(DataType::AUDIO, 1));
+
uint32_t audio_in_index = 0;
uint32_t audio_out_index = 0;
+ bool valid;
for (uint32_t port_index = 0; port_index < parameter_count(); ++port_index) {
if (LADSPA_IS_PORT_AUDIO(port_descriptor(port_index))) {
if (LADSPA_IS_PORT_INPUT(port_descriptor(port_index))) {
- const uint32_t buf_index = in_map.get(DataType::AUDIO, audio_in_index++);
- connect_port(port_index, bufs.get_audio(buf_index).data(offset));
+ const uint32_t buf_index = in_map.get(DataType::AUDIO, audio_in_index++, &valid);
+ connect_port(port_index,
+ valid ? bufs.get_audio(buf_index).data(offset)
+ : silent_bufs.get_audio(0).data(offset));
} else if (LADSPA_IS_PORT_OUTPUT(port_descriptor(port_index))) {
- const uint32_t buf_index = out_map.get(DataType::AUDIO, audio_out_index++);
- connect_port(port_index, bufs.get_audio(buf_index).data(offset));
+ const uint32_t buf_index = out_map.get(DataType::AUDIO, audio_out_index++, &valid);
+ connect_port(port_index,
+ valid ? bufs.get_audio(buf_index).data(offset)
+ : scratch_bufs.get_audio(0).data(offset));
}
}
}
}
}
+boost::shared_ptr<Plugin::ScalePoints>
+LadspaPlugin::get_scale_points(uint32_t port_index) const
+{
+ const uint32_t id = atol(unique_id().c_str());
+ lrdf_defaults* points = lrdf_get_scale_values(id, port_index);
+
+ boost::shared_ptr<Plugin::ScalePoints> ret;
+ if (!points) {
+ return ret;
+ }
+
+ ret = boost::shared_ptr<Plugin::ScalePoints>(new ScalePoints());
+
+ for (uint32_t i = 0; i < points->count; ++i) {
+ ret->insert(make_pair(points->items[i].label,
+ points->items[i].value));
+ }
+
+ lrdf_free_setting_values(points);
+ return ret;
+}
+
void
LadspaPlugin::run_in_place (pframes_t nframes)
{
}
assert (_was_activated);
-
+
_descriptor->run (_handle, nframes);
}
if (defs) {
for (uint32_t i = 0; i < (uint32_t) defs->count; ++i) {
- // The defs->items[i].pid < defs->count check is to work around
- // a bug in liblrdf that saves invalid values into the presets file.
- if (((uint32_t) defs->items[i].pid < (uint32_t) defs->count) && parameter_is_input (defs->items[i].pid)) {
+ if (parameter_is_input (defs->items[i].pid)) {
set_parameter(defs->items[i].pid, defs->items[i].value);
}
}
/* XXX: should be in liblrdf */
static void
-lrdf_remove_preset (const char *source, const char *setting_uri)
+lrdf_remove_preset (const char* /*source*/, const char *setting_uri)
{
lrdf_statement p;
lrdf_statement *q;
lrdf_statement *i;
char setting_uri_copy[64];
char buf[64];
-
+
strncpy(setting_uri_copy, setting_uri, sizeof(setting_uri_copy));
p.subject = setting_uri_copy;
if (!p) {
return;
}
-
+
string const source = preset_source (envvar);
lrdf_remove_preset (source.c_str(), p->uri.c_str ());
if ((envvar = getenv ("HOME")) == 0) {
return "";
}
-
+
return envvar;
}
string
LadspaPlugin::do_save_preset (string name)
{
- lrdf_portvalue portvalues[parameter_count()];
- lrdf_defaults defaults;
+ /* make a vector of pids that are input parameters */
+ vector<int> input_parameter_pids;
+ for (uint32_t i = 0; i < parameter_count(); ++i) {
+ if (parameter_is_input (i)) {
+ input_parameter_pids.push_back (i);
+ }
+ }
+
std::string unique (unique_id());
if (!isdigit (unique[0])) {
uint32_t const id = atol (unique.c_str());
- defaults.count = parameter_count();
+ lrdf_defaults defaults;
+ defaults.count = input_parameter_pids.size ();
+ lrdf_portvalue portvalues[input_parameter_pids.size()];
defaults.items = portvalues;
- for (uint32_t i = 0; i < parameter_count(); ++i) {
- if (parameter_is_input (i)) {
- portvalues[i].pid = i;
- portvalues[i].value = get_parameter(i);
- }
+ for (vector<int>::size_type i = 0; i < input_parameter_pids.size(); ++i) {
+ portvalues[i].pid = input_parameter_pids[i];
+ portvalues[i].value = get_parameter (input_parameter_pids[i]);
}
string const envvar = preset_envvar ();
return uri;
}
+LADSPA_PortDescriptor
+LadspaPlugin::port_descriptor (uint32_t i) const
+{
+ if (i < _descriptor->PortCount) {
+ return _descriptor->PortDescriptors[i];
+ }
+
+ warning << "LADSPA plugin port index " << i << " out of range." << endmsg;
+ return 0;
+}
+
+
+
projects / ardour.git / blobdiff