diff options
Diffstat (limited to 'src/server/DuplexPort.cpp')
| -rw-r--r-- | src/server/DuplexPort.cpp | 236 |
1 files changed, 236 insertions, 0 deletions
diff --git a/src/server/DuplexPort.cpp b/src/server/DuplexPort.cpp new file mode 100644 index 00000000..2823da05 --- /dev/null +++ b/src/server/DuplexPort.cpp @@ -0,0 +1,236 @@ +/* + This file is part of Ingen. + Copyright 2007-2016 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/URIs.hpp" + +#include "Buffer.hpp" +#include "Driver.hpp" +#include "DuplexPort.hpp" +#include "Engine.hpp" +#include "GraphImpl.hpp" + +namespace ingen { +namespace server { + +DuplexPort::DuplexPort(BufferFactory& bufs, + GraphImpl* parent, + const Raul::Symbol& symbol, + uint32_t index, + bool polyphonic, + PortType type, + LV2_URID buf_type, + size_t buf_size, + const Atom& value, + bool is_output) + : InputPort(bufs, parent, symbol, index, parent->polyphony(), type, buf_type, value, buf_size) +{ + if (polyphonic) { + set_property(bufs.uris().ingen_polyphonic, bufs.forge().make(true)); + } + + if (!parent->parent() || + _poly != parent->parent_graph()->internal_poly()) { + _poly = 1; + } + + // Set default control range + if (!is_output && value.type() == bufs.uris().atom_Float) { + set_property(bufs.uris().lv2_minimum, bufs.forge().make(0.0f)); + set_property(bufs.uris().lv2_maximum, bufs.forge().make(1.0f)); + } + + _is_output = is_output; + if (is_output) { + if (parent->graph_type() != Node::GraphType::GRAPH) { + remove_property(bufs.uris().rdf_type, bufs.uris().lv2_InputPort.urid); + add_property(bufs.uris().rdf_type, bufs.uris().lv2_OutputPort.urid); + } + } + + get_buffers(bufs, &BufferFactory::get_buffer, + _voices, parent->polyphony(), 0); +} + +DuplexPort::~DuplexPort() +{ + if (is_linked()) { + parent_graph()->remove_port(*this); + } +} + +DuplexPort* +DuplexPort::duplicate(Engine& engine, + const Raul::Symbol& symbol, + GraphImpl* parent) +{ + BufferFactory& bufs = *engine.buffer_factory(); + const Atom polyphonic = get_property(bufs.uris().ingen_polyphonic); + + DuplexPort* dup = new DuplexPort( + bufs, parent, symbol, _index, + polyphonic.type() == bufs.uris().atom_Bool && polyphonic.get<int32_t>(), + _type, _buffer_type, _buffer_size, + _value, _is_output); + + dup->set_properties(properties()); + + return dup; +} + +void +DuplexPort::inherit_neighbour(const PortImpl* port, + Properties& remove, + Properties& add) +{ + const URIs& uris = _bufs.uris(); + + /* TODO: This needs to become more sophisticated, and correct the situation + if the port is disconnected. */ + if (_type == PortType::CONTROL || _type == PortType::CV) { + if (port->minimum().get<float>() < _min.get<float>()) { + _min = port->minimum(); + remove.emplace(uris.lv2_minimum, uris.patch_wildcard); + add.emplace(uris.lv2_minimum, port->minimum()); + } + if (port->maximum().get<float>() > _max.get<float>()) { + _max = port->maximum(); + remove.emplace(uris.lv2_maximum, uris.patch_wildcard); + add.emplace(uris.lv2_maximum, port->maximum()); + } + } else if (_type == PortType::ATOM) { + for (auto i = port->properties().find(uris.atom_supports); + i != port->properties().end() && i->first == uris.atom_supports; + ++i) { + set_property(i->first, i->second); + add.insert(*i); + } + } +} + +void +DuplexPort::on_property(const URI& uri, const Atom& value) +{ + _bufs.engine().driver()->port_property(_path, uri, value); +} + +bool +DuplexPort::get_buffers(BufferFactory& bufs, + PortImpl::GetFn get, + const MPtr<Voices>& voices, + uint32_t poly, + size_t num_in_arcs) const +{ + if (!_is_driver_port && is_output()) { + return InputPort::get_buffers(bufs, get, voices, poly, num_in_arcs); + } else if (!_is_driver_port && is_input()) { + return PortImpl::get_buffers(bufs, get, voices, poly, num_in_arcs); + } + return false; +} + +bool +DuplexPort::setup_buffers(RunContext& ctx, BufferFactory& bufs, uint32_t poly) +{ + if (!_is_driver_port && is_output()) { + return InputPort::setup_buffers(ctx, bufs, poly); + } else if (!_is_driver_port && is_input()) { + return PortImpl::setup_buffers(ctx, bufs, poly); + } + return false; +} + +void +DuplexPort::set_is_driver_port(BufferFactory& bufs) +{ + _voices->at(0).buffer = new Buffer(bufs, buffer_type(), _value.type(), 0, true, nullptr); + PortImpl::set_is_driver_port(bufs); +} + +void +DuplexPort::set_driver_buffer(void* buf, uint32_t capacity) +{ + _voices->at(0).buffer->set_buffer(buf); + _voices->at(0).buffer->set_capacity(capacity); +} + +uint32_t +DuplexPort::max_tail_poly(RunContext& context) const +{ + return std::max(_poly, parent_graph()->internal_poly_process()); +} + +bool +DuplexPort::prepare_poly(BufferFactory& bufs, uint32_t poly) +{ + if (!parent()->parent() || + poly != parent()->parent_graph()->internal_poly()) { + return false; + } + + return PortImpl::prepare_poly(bufs, poly); +} + +bool +DuplexPort::apply_poly(RunContext& context, uint32_t poly) +{ + if (!parent()->parent() || + poly != parent()->parent_graph()->internal_poly()) { + return false; + } + + return PortImpl::apply_poly(context, poly); +} + +void +DuplexPort::pre_process(RunContext& context) +{ + if (_is_output) { + /* This is a graph output, which is an input from the internal + perspective. Prepare buffers for write so plugins can deliver to + them */ + for (uint32_t v = 0; v < _poly; ++v) { + _voices->at(v).buffer->prepare_write(context); + } + } else { + /* This is a a graph input, which is an output from the internal + perspective. Do whatever a normal block's input port does to + prepare input for reading. */ + InputPort::pre_process(context); + InputPort::pre_run(context); + } +} + +void +DuplexPort::post_process(RunContext& context) +{ + if (_is_output) { + /* This is a graph output, which is an input from the internal + perspective. Mix down input delivered by plugins so output + (external perspective) is ready. */ + InputPort::pre_process(context); + InputPort::pre_run(context); + } + monitor(context); +} + +SampleCount +DuplexPort::next_value_offset(SampleCount offset, SampleCount end) const +{ + return PortImpl::next_value_offset(offset, end); +} + +} // namespace server +} // namespace ingen |