diff options
Diffstat (limited to 'src/engine/LV2Node.cpp')
| -rw-r--r-- | src/engine/LV2Node.cpp | 70 |
1 files changed, 53 insertions, 17 deletions
diff --git a/src/engine/LV2Node.cpp b/src/engine/LV2Node.cpp index df2ccbb2..70ee2e08 100644 --- a/src/engine/LV2Node.cpp +++ b/src/engine/LV2Node.cpp @@ -43,11 +43,11 @@ using namespace Shared; * (It _will_ crash!) */ LV2Node::LV2Node(LV2Plugin* plugin, - const string& name, - bool polyphonic, - PatchImpl* parent, - SampleRate srate, - size_t buffer_size) + const string& name, + bool polyphonic, + PatchImpl* parent, + SampleRate srate, + size_t buffer_size) : NodeBase(plugin, name, polyphonic, parent, srate, buffer_size) , _lv2_plugin(plugin) , _instances(NULL) @@ -168,7 +168,7 @@ LV2Node::instantiate() (*_instances)[i], LV2_CONTEXT_MESSAGE); if (i == 0 && ctx_ext) { - cerr << "HAS CONTEXT EXTENSION" << endl; + cerr << _lv2_plugin->uri() << " has message context" << endl; assert(!_message_funcs); _message_funcs = (LV2MessageContext*)ctx_ext; } @@ -184,9 +184,17 @@ LV2Node::instantiate() float* def_values = new float[num_ports]; slv2_plugin_get_port_ranges_float(plug, 0, 0, def_values); - SLV2Value pred = slv2_value_new_uri(info->lv2_world(), + SLV2Value context_pred = slv2_value_new_uri(info->lv2_world(), "http://lv2plug.in/ns/dev/contexts#context"); + // FIXME: Why doesn't this just use lv2:default? + SLV2Value default_pred = slv2_value_new_uri(info->lv2_world(), + "http://lv2plug.in/ns/dev/string-port#default"); + + // FIXME: Make this a separate extension + SLV2Value size_pred = slv2_value_new_uri(info->lv2_world(), + "http://lv2plug.in/ns/dev/string-port#requiredSpace"); + for (uint32_t j=0; j < num_ports; ++j) { SLV2Port id = slv2_plugin_get_port_by_index(plug, j); @@ -196,6 +204,7 @@ LV2Node::instantiate() port_path = path().child(port_name); + Raul::Atom val; DataType data_type = DataType::UNKNOWN; if (slv2_port_is_a(plug, id, info->control_class)) { data_type = DataType::CONTROL; @@ -206,6 +215,34 @@ LV2Node::instantiate() } else if (slv2_port_is_a(plug, id, info->event_class)) { data_type = DataType::EVENT; port_buffer_size = _buffer_size; + } else if (slv2_port_is_a(plug, id, info->string_class)) { + data_type = DataType::STRING; + port_buffer_size = 0; + + // Get default value, and its length + SLV2Values defaults = slv2_port_get_value(plug, id, default_pred); + for (uint32_t i = 0; i < slv2_values_size(defaults); ++i) { + SLV2Value d = slv2_values_get_at(defaults, i); + if (slv2_value_is_string(d)) { + const char* str_val = slv2_value_as_string(d); + const size_t str_val_len = strlen(str_val); + if (str_val_len >= port_buffer_size) { + val = str_val; + port_buffer_size = str_val_len; + } + } + } + + // Get minimum size, if set in data + SLV2Values sizes = slv2_port_get_value(plug, id, size_pred); + for (uint32_t i = 0; i < slv2_values_size(sizes); ++i) { + SLV2Value d = slv2_values_get_at(sizes, i); + if (slv2_value_is_int(d)) { + size_t size_val = slv2_value_as_int(d); + if (size_val > port_buffer_size) + port_buffer_size = size_val; + } + } } enum { UNKNOWN, INPUT, OUTPUT } direction = UNKNOWN; @@ -223,31 +260,30 @@ LV2Node::instantiate() return false; } - // FIXME: need nice type preserving SLV2Value -> Raul::Atom conversion - const float def = isnan(def_values[j]) ? 0.0f : def_values[j]; - const Raul::Atom defatm = def; + if (val.type() == Atom::NIL) + val = isnan(def_values[j]) ? 0.0f : def_values[j]; if (direction == INPUT) - port = new InputPort(this, port_name, j, _polyphony, data_type, defatm, port_buffer_size); + port = new InputPort(this, port_name, j, _polyphony, data_type, val, port_buffer_size); else - port = new OutputPort(this, port_name, j, _polyphony, data_type, defatm, port_buffer_size); + port = new OutputPort(this, port_name, j, _polyphony, data_type, val, port_buffer_size); if (direction == INPUT && data_type == DataType::CONTROL) - ((AudioBuffer*)port->buffer(0))->set_value(def, 0, 0); + ((AudioBuffer*)port->buffer(0))->set_value(val.get_float(), 0, 0); - SLV2Values contexts = slv2_port_get_value(plug, id, pred); + SLV2Values contexts = slv2_port_get_value(plug, id, context_pred); for (uint32_t i = 0; i < slv2_values_size(contexts); ++i) { SLV2Value c = slv2_values_get_at(contexts, i); const char* context = slv2_value_as_string(c); if (!strcmp("http://lv2plug.in/ns/dev/contexts#MessageContext", context)) { - cout << "MESSAGE CONTEXT!" << endl; + cerr << _lv2_plugin->uri() << " port " << i << " has message context" << endl; if (!_message_funcs) { - cerr << "Plugin " << _lv2_plugin->uri() + cerr << _lv2_plugin->uri() << " has a message port, but no context extension data." << endl; } port->set_context(Context::MESSAGE); } else { - cout << "UNKNOWN CONTEXT: " + cout << _lv2_plugin->uri() << " port " << i << " has unknown context " << slv2_value_as_string(slv2_values_get_at(contexts, i)) << endl; } |