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author | David Robillard <d@drobilla.net> | 2011-04-20 16:26:40 +0000 |
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committer | David Robillard <d@drobilla.net> | 2011-04-20 16:26:40 +0000 |
commit | 138a87e915ad3aff184730415105f94c874174bf (patch) | |
tree | 0d942bdddfdbcc3d969b4fce5592e770ab851b86 /src/engine/ingen_lv2.cpp | |
parent | 1f1758f4dda0ddaf01c0b1d3a756f9db8ddc979d (diff) | |
download | ingen-138a87e915ad3aff184730415105f94c874174bf.tar.gz ingen-138a87e915ad3aff184730415105f94c874174bf.tar.bz2 ingen-138a87e915ad3aff184730415105f94c874174bf.zip |
Rename Ingen::Engine to Ingen::Server (hopefully avoid odd name clases and fix #675).
git-svn-id: http://svn.drobilla.net/lad/trunk/ingen@3184 a436a847-0d15-0410-975c-d299462d15a1
Diffstat (limited to 'src/engine/ingen_lv2.cpp')
-rw-r--r-- | src/engine/ingen_lv2.cpp | 422 |
1 files changed, 0 insertions, 422 deletions
diff --git a/src/engine/ingen_lv2.cpp b/src/engine/ingen_lv2.cpp deleted file mode 100644 index c6a250b7..00000000 --- a/src/engine/ingen_lv2.cpp +++ /dev/null @@ -1,422 +0,0 @@ -/* Ingen.LV2 - A thin wrapper which allows Ingen to run as an LV2 plugin. - * Copyright 2008-2011 David Robillard <http://drobilla.net> - * - * This library is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the Free - * Software Foundation; either version 2 of the License, or (at your option) - * any later version. - * - * This library 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 General Public License - * for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. - */ - -#include <stdlib.h> - -#include <string> -#include <vector> - -#include <glib.h> -#include <glibmm/convert.h> -#include <glibmm/miscutils.h> - -#include "lv2/lv2plug.in/ns/lv2core/lv2.h" - -#include "raul/SharedPtr.hpp" -#include "raul/Thread.hpp" -#include "raul/log.hpp" - -#include "engine/AudioBuffer.hpp" -#include "engine/Driver.hpp" -#include "engine/Engine.hpp" -#include "engine/PatchImpl.hpp" -#include "engine/PostProcessor.hpp" -#include "engine/ProcessContext.hpp" -#include "engine/QueuedEngineInterface.hpp" -#include "engine/ThreadManager.hpp" -#include "ingen/EngineInterface.hpp" -#include "shared/World.hpp" -#include "serialisation/Parser.hpp" -#include "shared/Configuration.hpp" -#include "shared/runtime_paths.hpp" - -#include "ingen-config.h" - -/** Record of a patch in this Ingen LV2 bundle */ -struct LV2Patch { - LV2Patch(const std::string& u, const std::string& f); - - const std::string uri; - const std::string filename; - LV2_Descriptor descriptor; -}; - -class Lib { -public: - Lib(); - ~Lib(); - - typedef std::vector< SharedPtr<const LV2Patch> > Patches; - - Patches patches; - Ingen::Shared::Configuration conf; - int argc; - char** argv; -}; - -/** Library state (constructed/destructed on library load/unload) */ -Lib lib; - -namespace Ingen { -namespace Engine { - -class LV2Driver; - -class LV2Port : public DriverPort -{ -public: - LV2Port(LV2Driver* driver, DuplexPort* patch_port) - : DriverPort(patch_port) - , _driver(driver) - , _buffer(NULL) - {} - - // TODO: LV2 dynamic ports - void create() {} - void destroy() {} - void move(const Raul::Path& path) {} - - void pre_process(ProcessContext& context) { - if (!is_input() || !_buffer) - return; - - if (_patch_port->buffer_type() == PortType::AUDIO) { - AudioBuffer* patch_buf = (AudioBuffer*)_patch_port->buffer(0).get(); - patch_buf->copy((Sample*)_buffer, 0, context.nframes() - 1); - } else if (_patch_port->buffer_type() == PortType::EVENTS) { - //Raul::warn << "TODO: LV2 event I/O" << std::endl; - } - } - - void post_process(ProcessContext& context) { - if (is_input() || !_buffer) - return; - - if (_patch_port->buffer_type() == PortType::AUDIO) { - AudioBuffer* patch_buf = (AudioBuffer*)_patch_port->buffer(0).get(); - memcpy((Sample*)_buffer, patch_buf->data(), context.nframes() * sizeof(Sample)); - } else if (_patch_port->buffer_type() == PortType::EVENTS) { - //Raul::warn << "TODO: LV2 event I/O" << std::endl; - } - } - - void* buffer() const { return _buffer; } - void set_buffer(void* buf) { _buffer = buf; } - -private: - LV2Driver* _driver; - void* _buffer; -}; - -class LV2Driver : public Ingen::Engine::Driver { -private: - typedef std::vector<LV2Port*> Ports; - -public: - LV2Driver(Engine& engine, SampleCount buffer_size, SampleCount sample_rate) - : _context(engine) - , _root_patch(NULL) - , _buffer_size(buffer_size) - , _sample_rate(sample_rate) - , _frame_time(0) - {} - - void run(uint32_t nframes) { - _context.locate(_frame_time, nframes, 0); - - for (Ports::iterator i = _ports.begin(); i != _ports.end(); ++i) - (*i)->pre_process(_context); - - _context.engine().process_events(_context); - - if (_root_patch) - _root_patch->process(_context); - - for (Ports::iterator i = _ports.begin(); i != _ports.end(); ++i) - (*i)->post_process(_context); - - _frame_time += nframes; - } - - virtual void set_root_patch(PatchImpl* patch) { _root_patch = patch; } - virtual PatchImpl* root_patch() { return _root_patch; } - - virtual void add_port(DriverPort* port) { - // Note this doesn't have to be realtime safe since there's no dynamic LV2 ports - ThreadManager::assert_thread(THREAD_PROCESS); - assert(dynamic_cast<LV2Port*>(port)); - assert(port->patch_port()->index() == _ports.size()); - _ports.push_back((LV2Port*)port); - } - - virtual Raul::Deletable* remove_port(const Raul::Path& path, - DriverPort** port=NULL) { - // Note this doesn't have to be realtime safe since there's no dynamic LV2 ports - ThreadManager::assert_thread(THREAD_PROCESS); - - for (Ports::iterator i = _ports.begin(); i != _ports.end(); ++i) { - if ((*i)->patch_port()->path() == path) { - _ports.erase(i); - return NULL; - } - } - - Raul::warn << "Unable to find port " << path << std::endl; - return NULL; - } - - virtual bool supports(PortType port_type, EventType event_type) { - return true; - } - - virtual DriverPort* create_port(DuplexPort* patch_port) { - return new LV2Port(this, patch_port); - } - - virtual DriverPort* driver_port(const Raul::Path& path) { - ThreadManager::assert_thread(THREAD_PROCESS); - - for (Ports::iterator i = _ports.begin(); i != _ports.end(); ++i) - if ((*i)->patch_port()->path() == path) - return (*i); - - return NULL; - } - - virtual SampleCount block_length() const { return _buffer_size; } - virtual SampleCount sample_rate() const { return _sample_rate; } - virtual SampleCount frame_time() const { return _frame_time;} - - virtual bool is_realtime() const { return true; } - virtual ProcessContext& context() { return _context; } - - Ports& ports() { return _ports; } - -private: - ProcessContext _context; - PatchImpl* _root_patch; - SampleCount _buffer_size; - SampleCount _sample_rate; - SampleCount _frame_time; - Ports _ports; -}; - -} // namespace Engine -} // namespace Ingen - -extern "C" { - -using namespace Ingen; -using namespace Ingen::Engine; - -/** LV2 plugin library entry point */ -LV2_SYMBOL_EXPORT -const LV2_Descriptor* -lv2_descriptor(uint32_t index) -{ - return index < lib.patches.size() ? &lib.patches[index]->descriptor : NULL; -} - -struct IngenPlugin { - Ingen::Shared::World* world; -}; - -static LV2_Handle -ingen_instantiate(const LV2_Descriptor* descriptor, - double rate, - const char* bundle_path, - const LV2_Feature*const* features) -{ - Shared::set_bundle_path(bundle_path); - - const LV2Patch* patch = NULL; - for (Lib::Patches::iterator i = lib.patches.begin(); i != lib.patches.end(); ++i) { - if (&(*i)->descriptor == descriptor) { - patch = (*i).get(); - break; - } - } - - if (!patch) { - Raul::error << "Could not find patch " << descriptor->URI << std::endl; - return NULL; - } - - IngenPlugin* plugin = (IngenPlugin*)malloc(sizeof(IngenPlugin)); - plugin->world = new Ingen::Shared::World(&lib.conf, lib.argc, lib.argv); - if (!plugin->world->load_module("serialisation")) { - delete plugin->world; - return NULL; - } - - SharedPtr<Engine::Engine> engine(new Engine::Engine(plugin->world)); - plugin->world->set_local_engine(engine); - - SharedPtr<Engine::QueuedEngineInterface> interface( - new Engine::QueuedEngineInterface( - *engine.get(), - engine->event_queue_size())); - - plugin->world->set_engine(interface); - engine->add_event_source(interface); - - Raul::Thread::get().set_context(Engine::THREAD_PRE_PROCESS); - Engine::ThreadManager::single_threaded = true; - - // FIXME: fixed (or at least maximum) buffer size - LV2Driver* driver = new LV2Driver(*engine.get(), rate, 4096); - engine->set_driver(SharedPtr<Ingen::Engine::Driver>(driver)); - - engine->activate(); - Engine::ThreadManager::single_threaded = true; - - ProcessContext context(*engine.get()); - context.locate(0, UINT_MAX, 0); - - engine->post_processor()->set_end_time(UINT_MAX); - - // TODO: Load only necessary plugins - plugin->world->engine()->get("ingen:plugins"); - interface->process(*engine->post_processor(), context, false); - engine->post_processor()->process(); - - plugin->world->parser()->parse_file(plugin->world, - plugin->world->engine().get(), - patch->filename); - - while (!interface->empty()) { - interface->process(*engine->post_processor(), context, false); - engine->post_processor()->process(); - } - - engine->deactivate(); - - return (LV2_Handle)plugin; -} - -static void -ingen_connect_port(LV2_Handle instance, uint32_t port, void* data) -{ - using namespace Ingen::Engine; - - IngenPlugin* me = (IngenPlugin*)instance; - Engine::Engine* engine = (Engine::Engine*)me->world->local_engine().get(); - LV2Driver* driver = (LV2Driver*)engine->driver(); - if (port < driver->ports().size()) { - driver->ports().at(port)->set_buffer(data); - assert(driver->ports().at(port)->patch_port()->index() == port); - } else { - Raul::warn << "Connect to non-existent port " << port << std::endl; - } -} - -static void -ingen_activate(LV2_Handle instance) -{ - IngenPlugin* me = (IngenPlugin*)instance; - me->world->local_engine()->activate(); -} - -static void -ingen_run(LV2_Handle instance, uint32_t sample_count) -{ - IngenPlugin* me = (IngenPlugin*)instance; - Engine::Engine* engine = (Engine::Engine*)me->world->local_engine().get(); - // FIXME: don't do this every call - Raul::Thread::get().set_context(Ingen::Engine::THREAD_PROCESS); - ((LV2Driver*)engine->driver())->run(sample_count); -} - -static void -ingen_deactivate(LV2_Handle instance) -{ - IngenPlugin* me = (IngenPlugin*)instance; - me->world->local_engine()->deactivate(); -} - -static void -ingen_cleanup(LV2_Handle instance) -{ - IngenPlugin* me = (IngenPlugin*)instance; - me->world->set_local_engine(SharedPtr<Ingen::Engine::Engine>()); - me->world->set_engine(SharedPtr<Ingen::EngineInterface>()); - delete me->world; - free(instance); -} - -static const void* -ingen_extension_data(const char* uri) -{ - return NULL; -} - -LV2Patch::LV2Patch(const std::string& u, const std::string& f) - : uri(u) - , filename(f) -{ - descriptor.URI = uri.c_str(); - descriptor.instantiate = ingen_instantiate; - descriptor.connect_port = ingen_connect_port; - descriptor.activate = ingen_activate; - descriptor.run = ingen_run; - descriptor.deactivate = ingen_deactivate; - descriptor.cleanup = ingen_cleanup; - descriptor.extension_data = ingen_extension_data; -} - -/** Library constructor (called on shared library load) */ -Lib::Lib() - : argc(0) - , argv(NULL) -{ - if (!Glib::thread_supported()) - Glib::thread_init(); - - using namespace Ingen; - - Ingen::Shared::set_bundle_path_from_code((void*)&lv2_descriptor); - - Ingen::Shared::World* world = new Ingen::Shared::World(&conf, argc, argv); - if (!world->load_module("serialisation")) { - delete world; - return; - } - - assert(world->parser()); - - typedef Serialisation::Parser::PatchRecords Records; - - Records records(world->parser()->find_patches( - world, Glib::filename_to_uri( - Shared::bundle_file_path("manifest.ttl")))); - - for (Records::iterator i = records.begin(); i != records.end(); ++i) { - patches.push_back( - SharedPtr<const LV2Patch>(new LV2Patch(i->patch_uri.str(), - i->file_uri))); - } - - delete world; -} - -/** Library destructor (called on shared library unload) */ -Lib::~Lib() -{ -} - -} // extern "C" |