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-rw-r--r--src/server/events/SetPortValue.cpp139
1 files changed, 139 insertions, 0 deletions
diff --git a/src/server/events/SetPortValue.cpp b/src/server/events/SetPortValue.cpp
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+++ b/src/server/events/SetPortValue.cpp
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+/*
+ This file is part of Ingen.
+ Copyright 2007-2015 David Robillard <http://drobilla.net/>
+
+ Ingen is free software: you can redistribute it and/or modify it under the
+ terms of the GNU Affero General Public License as published by the Free
+ Software Foundation, either version 3 of the License, or any later version.
+
+ Ingen is distributed in the hope that it will be useful, but WITHOUT ANY
+ WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+ A PARTICULAR PURPOSE. See the GNU Affero General Public License for details.
+
+ You should have received a copy of the GNU Affero General Public License
+ along with Ingen. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "ingen/LV2Features.hpp"
+#include "ingen/Store.hpp"
+#include "ingen/URIs.hpp"
+#include "ingen/World.hpp"
+
+#include "BlockImpl.hpp"
+#include "Broadcaster.hpp"
+#include "Buffer.hpp"
+#include "ControlBindings.hpp"
+#include "Engine.hpp"
+#include "PortImpl.hpp"
+#include "RunContext.hpp"
+#include "SetPortValue.hpp"
+
+namespace Ingen {
+namespace Server {
+namespace Events {
+
+/** Internal */
+SetPortValue::SetPortValue(Engine& engine,
+ SPtr<Interface> client,
+ int32_t id,
+ SampleCount timestamp,
+ PortImpl* port,
+ const Atom& value,
+ bool activity,
+ bool synthetic)
+ : Event(engine, client, id, timestamp)
+ , _port(port)
+ , _value(value)
+ , _activity(activity)
+ , _synthetic(synthetic)
+{
+}
+
+bool
+SetPortValue::pre_process(PreProcessContext& ctx)
+{
+ Ingen::URIs& uris = _engine.world()->uris();
+ if (_port->is_output()) {
+ return Event::pre_process_done(Status::DIRECTION_MISMATCH, _port->path());
+ }
+
+ if (!_activity) {
+ // Set value metadata (does not affect buffers)
+ _port->set_value(_value);
+ _port->set_property(_engine.world()->uris().ingen_value, _value);
+ }
+
+ _binding = _engine.control_bindings()->port_binding(_port);
+
+ if (_port->buffer_type() == uris.atom_Sequence) {
+ _buffer = _engine.buffer_factory()->get_buffer(
+ _port->buffer_type(),
+ _value.type() == uris.atom_Float ? _value.type() : 0,
+ _engine.buffer_factory()->default_size(_port->buffer_type()));
+ }
+
+ return Event::pre_process_done(Status::SUCCESS);
+}
+
+void
+SetPortValue::execute(RunContext& context)
+{
+ assert(_time >= context.start() && _time <= context.end());
+ apply(context);
+ _engine.control_bindings()->port_value_changed(context, _port, _binding, _value);
+}
+
+void
+SetPortValue::apply(RunContext& context)
+{
+ if (_status != Status::SUCCESS) {
+ return;
+ }
+
+ Ingen::URIs& uris = _engine.world()->uris();
+ Buffer* buf = _port->buffer(0).get();
+
+ if (_buffer) {
+ if (_port->user_buffer(context)) {
+ buf = _port->user_buffer(context).get();
+ } else {
+ _port->set_user_buffer(context, _buffer);
+ buf = _buffer.get();
+ }
+ }
+
+ if (buf->type() == uris.atom_Sound || buf->type() == uris.atom_Float) {
+ if (_value.type() == uris.forge.Float) {
+ _port->set_control_value(context, _time, _value.get<float>());
+ } else {
+ _status = Status::TYPE_MISMATCH;
+ }
+ } else if (buf->type() == uris.atom_Sequence) {
+ if (!buf->append_event(_time - context.start(),
+ _value.size(),
+ _value.type(),
+ (const uint8_t*)_value.get_body())) {
+ _status = Status::NO_SPACE;
+ }
+ } else if (buf->type() == uris.atom_URID) {
+ buf->get<LV2_Atom_URID>()->body = _value.get<int32_t>();
+ } else {
+ _status = Status::BAD_VALUE_TYPE;
+ }
+}
+
+void
+SetPortValue::post_process()
+{
+ Broadcaster::Transfer t(*_engine.broadcaster());
+ if (respond() == Status::SUCCESS && !_activity) {
+ _engine.broadcaster()->set_property(
+ _port->uri(),
+ _engine.world()->uris().ingen_value,
+ _value);
+ }
+}
+
+} // namespace Events
+} // namespace Server
+} // namespace Ingen