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Diffstat (limited to 'libs/ardour/lv2_plugin.cc')
-rw-r--r--libs/ardour/lv2_plugin.cc146
1 files changed, 142 insertions, 4 deletions
diff --git a/libs/ardour/lv2_plugin.cc b/libs/ardour/lv2_plugin.cc
index 8dde93f3b3..4af6748c41 100644
--- a/libs/ardour/lv2_plugin.cc
+++ b/libs/ardour/lv2_plugin.cc
@@ -155,13 +155,25 @@ public:
LilvNode* units_midiNote;
LilvNode* patch_writable;
LilvNode* patch_Message;
- LilvNode* lv2_noSampleAccurateCtrl;
#ifdef HAVE_LV2_1_2_0
LilvNode* bufz_powerOf2BlockLength;
LilvNode* bufz_fixedBlockLength;
LilvNode* bufz_nominalBlockLength;
#endif
+#ifdef HAVE_LV2_1_10_0
+ LilvNode* atom_int;
+ LilvNode* atom_float;
+ LilvNode* atom_object; // new in 1.8
+ LilvNode* atom_vector;
+#endif
+#ifdef LV2_EXTENDED
+ LilvNode* lv2_noSampleAccurateCtrl;
+ LilvNode* auto_can_write_automatation; // lv2:optionalFeature
+ LilvNode* auto_automation_control; // atom:supports
+ LilvNode* auto_automation_controlled; // lv2:portProperty
+#endif
+
private:
bool _bundle_checked;
};
@@ -335,6 +347,7 @@ LV2Plugin::init(const void* c_plugin, framecnt_t rate)
_state_version = 0;
_was_activated = false;
_has_state_interface = false;
+ _can_write_automation = false;
_impl->block_length = _session.get_block_size();
_instance_access_feature.URI = "http://lv2plug.in/ns/ext/instance-access";
@@ -484,11 +497,16 @@ LV2Plugin::init(const void* c_plugin, framecnt_t rate)
throw failed_constructor();
}
lilv_nodes_free(required_features);
+#endif
+#ifdef LV2_EXTENDED
LilvNodes* optional_features = lilv_plugin_get_optional_features (plugin);
if (lilv_nodes_contains (optional_features, _world.lv2_noSampleAccurateCtrl)) {
_no_sample_accurate_ctrl = true;
}
+ if (lilv_nodes_contains (optional_features, _world.auto_can_write_automatation)) {
+ _can_write_automation = true;
+ }
lilv_nodes_free(optional_features);
#endif
@@ -542,6 +560,11 @@ LV2Plugin::init(const void* c_plugin, framecnt_t rate)
if (lilv_nodes_contains(atom_supports, _world.time_Position)) {
flags |= PORT_POSITION;
}
+#ifdef LV2_EXTENDED
+ if (lilv_nodes_contains(atom_supports, _world.auto_automation_control)) {
+ flags |= PORT_AUTOCTRL;
+ }
+#endif
if (lilv_nodes_contains(atom_supports, _world.patch_Message)) {
flags |= PORT_PATCHMSG;
if (flags & PORT_INPUT) {
@@ -566,6 +589,14 @@ LV2Plugin::init(const void* c_plugin, framecnt_t rate)
throw failed_constructor();
}
+#ifdef LV2_EXTENDED
+ if (lilv_port_has_property(_impl->plugin, port, _world.auto_automation_controlled)) {
+ if ((flags & PORT_INPUT) && (flags & PORT_CONTROL)) {
+ flags |= PORT_CTRLED;
+ }
+ }
+#endif
+
_port_flags.push_back(flags);
_port_minimumSize.push_back(minimumSize);
}
@@ -1904,6 +1935,23 @@ LV2Plugin::automatable() const
}
void
+LV2Plugin::set_automation_control (uint32_t i, boost::shared_ptr<AutomationControl> c)
+{
+ if ((_port_flags[i] & PORT_CTRLED)) {
+ _ctrl_map [i] = AutomationCtrlPtr (new AutomationCtrl(c));
+ }
+}
+
+LV2Plugin::AutomationCtrlPtr
+LV2Plugin::get_automation_control (uint32_t i)
+{
+ if (_ctrl_map.find (i) == _ctrl_map.end()) {
+ return AutomationCtrlPtr ();
+ }
+ return _ctrl_map[i];
+}
+
+void
LV2Plugin::activate()
{
DEBUG_TRACE(DEBUG::LV2, string_compose("%1 activate\n", name()));
@@ -2074,6 +2122,15 @@ LV2Plugin::connect_and_run(BufferSet& bufs,
*_bpm_control_port = tmetric.tempo().beats_per_minute();
}
+#ifdef LV2_EXTENDED
+ if (_can_write_automation && _session.transport_frame() != _next_cycle_start) {
+ // add guard-points after locating
+ for (AutomationCtrlMap::iterator i = _ctrl_map.begin(); i != _ctrl_map.end(); ++i) {
+ i->second->guard = true;
+ }
+ }
+#endif
+
ChanCount bufs_count;
bufs_count.set(DataType::AUDIO, 1);
bufs_count.set(DataType::MIDI, 1);
@@ -2258,9 +2315,8 @@ LV2Plugin::connect_and_run(BufferSet& bufs,
}
}
-
// Write messages to UI
- if ((_to_ui || _patch_port_out_index != (uint32_t)-1) &&
+ if ((_to_ui || _can_write_automation || _patch_port_out_index != (uint32_t)-1) &&
(flags & PORT_OUTPUT) && (flags & (PORT_EVENT|PORT_SEQUENCE))) {
LV2_Evbuf* buf = _ev_buffers[port_index];
for (LV2_Evbuf_Iterator i = lv2_evbuf_begin(buf);
@@ -2270,6 +2326,78 @@ LV2Plugin::connect_and_run(BufferSet& bufs,
uint8_t* data;
lv2_evbuf_get(i, &frames, &subframes, &type, &size, &data);
+#ifdef LV2_EXTENDED
+ // Intercept Automation Write Events
+ if ((flags & PORT_AUTOCTRL)) {
+ LV2_Atom* atom = (LV2_Atom*)(data - sizeof(LV2_Atom));
+ if (atom->type == _uri_map.urids.atom_Blank ||
+ atom->type == _uri_map.urids.atom_Object) {
+ LV2_Atom_Object* obj = (LV2_Atom_Object*)atom;
+ if (obj->body.otype == _uri_map.urids.auto_event) {
+ // only if transport_rolling ??
+ const LV2_Atom* parameter = NULL;
+ const LV2_Atom* value = NULL;
+ lv2_atom_object_get(obj,
+ _uri_map.urids.auto_parameter, &parameter,
+ _uri_map.urids.auto_value, &value,
+ 0);
+ if (parameter && value) {
+ const uint32_t p = ((const LV2_Atom_Int*)parameter)->body;
+ const float v = ((const LV2_Atom_Float*)value)->body;
+ // -> add automation event..
+ AutomationCtrlPtr c = get_automation_control (p);
+ if (c && c->ac->automation_state() == Touch) {
+ if (c->guard) {
+ c->guard = false;
+ c->ac->list()->add (_session.transport_frame() + frames, v, true, true);
+ } else {
+ c->ac->set_double (v, _session.transport_frame() + frames, true);
+ }
+ }
+ }
+ }
+ else if (obj->body.otype == _uri_map.urids.auto_setup) {
+ // TODO optional arguments, for now we assume the plugin
+ // writes automation for its own inputs
+ // -> put them in "touch" mode (preferably "exclusive plugin touch(TM)"
+ for (AutomationCtrlMap::iterator i = _ctrl_map.begin(); i != _ctrl_map.end(); ++i) {
+ i->second->ac->set_automation_state (Touch);
+ }
+ }
+ else if (obj->body.otype == _uri_map.urids.auto_finalize) {
+ // set [touched] parameters to "play" ??
+ }
+ else if (obj->body.otype == _uri_map.urids.auto_start) {
+ const LV2_Atom* parameter = NULL;
+ lv2_atom_object_get(obj,
+ _uri_map.urids.auto_parameter, &parameter,
+ 0);
+ if (parameter) {
+ const uint32_t p = ((const LV2_Atom_Int*)parameter)->body;
+ AutomationCtrlPtr c = get_automation_control (p);
+ if (c) {
+ c->ac->start_touch (_session.transport_frame());
+ c->guard = true;
+ }
+ }
+ }
+ else if (obj->body.otype == _uri_map.urids.auto_end) {
+ const LV2_Atom* parameter = NULL;
+ lv2_atom_object_get(obj,
+ _uri_map.urids.auto_parameter, &parameter,
+ 0);
+ if (parameter) {
+ const uint32_t p = ((const LV2_Atom_Int*)parameter)->body;
+ AutomationCtrlPtr c = get_automation_control (p);
+ if (c) {
+ c->ac->stop_touch (true, _session.transport_frame());
+ }
+ }
+ }
+ }
+ }
+#endif
+
// Intercept patch change messages to emit PropertyChanged signal
if ((flags & PORT_PATCHMSG)) {
LV2_Atom* atom = (LV2_Atom*)(data - sizeof(LV2_Atom));
@@ -2525,7 +2653,12 @@ LV2World::LV2World()
units_db = lilv_new_uri(world, LV2_UNITS__db);
patch_writable = lilv_new_uri(world, LV2_PATCH__writable);
patch_Message = lilv_new_uri(world, LV2_PATCH__Message);
- lv2_noSampleAccurateCtrl = lilv_new_uri(world, LV2_CORE_PREFIX "noSampleAccurateControls");
+#ifdef LV2_EXTENDED
+ lv2_noSampleAccurateCtrl = lilv_new_uri(world, LV2_CORE_PREFIX "noSampleAccurateControls");
+ auto_can_write_automatation = lilv_new_uri(world, LV2_AUTOMATE_URI__can_write);
+ auto_automation_control = lilv_new_uri(world, LV2_AUTOMATE_URI__control);
+ auto_automation_controlled = lilv_new_uri(world, LV2_AUTOMATE_URI__controlled);
+#endif
#ifdef HAVE_LV2_1_2_0
bufz_powerOf2BlockLength = lilv_new_uri(world, LV2_BUF_SIZE__powerOf2BlockLength);
bufz_fixedBlockLength = lilv_new_uri(world, LV2_BUF_SIZE__fixedBlockLength);
@@ -2544,7 +2677,12 @@ LV2World::~LV2World()
lilv_node_free(bufz_fixedBlockLength);
lilv_node_free(bufz_powerOf2BlockLength);
#endif
+#ifdef LV2_EXTENDED
lilv_node_free(lv2_noSampleAccurateCtrl);
+ lilv_node_free(auto_can_write_automatation);
+ lilv_node_free(auto_automation_control);
+ lilv_node_free(auto_automation_controlled);
+#endif
lilv_node_free(patch_Message);
lilv_node_free(patch_writable);
lilv_node_free(units_hz);
generated by cgit v1.2.3 (git 2.39.1) at 2024-05-25 18:40:03 +0000