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263 lines
6.9 KiB
263 lines
6.9 KiB
/*
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Copyright (C) 2000-2002 Stefan Westerfeld
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stefan@space.twc.de
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public License
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along with this library; see the file COPYING.LIB. If not, write to
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the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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Boston, MA 02110-1301, USA.
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*/
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#ifndef ARTS_GSLSCHEDULE_H
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#define ARTS_GSLSCHEDULE_H
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#include "artsflow.h"
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#include "flowsystem.h"
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#include <gsl/gsldefs.h>
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#include <string>
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#include <list>
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/*
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* BC - Status (2002-03-08): Port, AudioPort, MultiPort, StdFlowSystem,
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* StdScheduleNode
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*
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* None of these classes is considered part of the public API. Do NOT use it
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* in your apps. These are part of the implementation of libartsflow's
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* StdFlowSystem, and subject to change with the needs of it.
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*
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* If you want to access flowsystem functionality, do so over the core.idl
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* specified flowsystem interface, (object)->_node() or stuff in mcop/connect.h.
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*/
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namespace Arts {
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class StdScheduleNode;
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class Port {
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friend class VPort; // TODO: debugging, remove me when it works?
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friend class VPortConnection; // TODO: debugging, remove me when it works?
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protected:
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std::string _name;
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public:
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void *_ptr;
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public: // FIXME: GSL
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AttributeType _flags;
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StdScheduleNode *parent;
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// each port has a virtual port, which allows port redirection
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class VPort *_vport;
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// dynamic ports are created to implement multiports
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bool _dynamicPort;
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// functionality to remove all connections automatically as soon as
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// the module gets destroyed
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std::list<Port *> autoDisconnect;
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/**
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* call these from your (dis)connect implementation as soon as a the
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* port gets (dis)connected to some other port (only one call per
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* connection: destinationport->addAutoDisconnect(sourceport), not
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* for the other direction)
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*/
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void addAutoDisconnect(Port *source);
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void removeAutoDisconnect(Port *source);
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public:
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Port(const std::string& name, void *ptr, long flags,
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StdScheduleNode* parent);
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virtual ~Port();
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inline VPort* vport() { assert(_vport); return _vport; }
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AttributeType flags();
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std::string name();
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void setPtr(void *ptr);
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inline bool dynamicPort() { return _dynamicPort; }
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inline void setDynamicPort() { _dynamicPort = true; }
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virtual class AudioPort *audioPort();
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virtual class ASyncPort *asyncPort();
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virtual void disconnectAll();
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virtual void connect(Port *) = 0;
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virtual void disconnect(Port *) = 0;
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};
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class AudioPort : public Port {
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public: // FIXME: GSL
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AudioPort *source;
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public:
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StdScheduleNode *sourcemodule;
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unsigned long destcount;
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unsigned long gslEngineChannel;
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/* GSL */
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bool gslIsConstant;
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float gslConstantValue;
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AudioPort(const std::string& name,
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void *ptr, long flags,StdScheduleNode *parent);
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~AudioPort();
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virtual class AudioPort *audioPort();
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void setFloatValue(float f);
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void connect(Port *psource);
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void disconnect(Port *psource);
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};
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class MultiPort : public Port {
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protected:
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struct Part {
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AudioPort *src, *dest;
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};
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std::list<Part> parts;
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typedef float *float_ptr;
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float **conns;
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long nextID;
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void initConns();
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public:
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MultiPort(const std::string& name,
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void *ptr, long flags,StdScheduleNode *parent);
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~MultiPort();
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void connect(Port *port);
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void disconnect(Port *port);
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};
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class StdFlowSystem;
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class StdScheduleNode :public ScheduleNode
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{
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friend class StdFlowSystem;
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bool running;
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bool suspended;
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Object_skel *_object;
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SynthModule_base *module;
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StdFlowSystem *flowSystem;
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std::list<Port *> ports;
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AudioPort **inConn;
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AudioPort **outConn;
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unsigned long inConnCount, outConnCount;
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typedef AudioPort *AudioPort_ptr;
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QueryInitStreamFunc queryInitStreamFunc;
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void freeConn();
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void rebuildConn();
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void accessModule();
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static void gslProcess(GslModule *module, guint n_values);
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public: /* TODO? */
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Port *findPort(const std::string& name);
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public:
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GslModule *gslModule;
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bool gslRunning;
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/**
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* this is used by StdFlowSystem::suspend() to mark nodes which
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* have already been seen by the algorithm
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*/
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bool suspendTag;
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StdScheduleNode(Object_skel *object, StdFlowSystem *flowSystem);
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virtual ~StdScheduleNode();
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void initStream(const std::string& name, void *ptr, long flags);
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void addDynamicPort(Port *port);
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void removeDynamicPort(Port *port);
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void start();
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void stop();
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void requireFlow();
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void virtualize(const std::string& port, ScheduleNode *implNode,
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const std::string& implPort);
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void devirtualize(const std::string& port, ScheduleNode *implNode,
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const std::string& implPort);
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// AutoSuspend stuff
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AutoSuspendState suspendable();
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void suspend();
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void restart();
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void connect(const std::string& port, ScheduleNode *dest,
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const std::string& destport);
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void disconnect(const std::string& port, ScheduleNode *dest,
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const std::string& destport);
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AttributeType queryFlags(const std::string& port);
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void setFloatValue(const std::string& port, float value);
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Object_skel *object();
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void *cast(const std::string &target);
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// used by StdSynthModule
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unsigned long inputConnectionCount(const std::string& port);
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unsigned long outputConnectionCount(const std::string& port);
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bool _connectionCountChanged;
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inline bool connectionCountChanged() {
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bool c = _connectionCountChanged;
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_connectionCountChanged = false;
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return c;
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}
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};
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class StdFlowSystem :public FlowSystem_impl
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{
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protected:
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std::list<StdScheduleNode *> nodes;
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bool _suspended;
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bool needUpdateStarted;
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public:
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StdFlowSystem();
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ScheduleNode *addObject(Object_skel *object);
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void removeObject(ScheduleNode *node);
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/* AutoSuspend */
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bool suspendable();
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bool suspended();
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void suspend();
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void restart();
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/* remote accessibility */
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void startObject(Object node);
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void stopObject(Object node);
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void connectObject(Object sourceObject, const std::string& sourcePort,
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Object destObject, const std::string& destPort);
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void disconnectObject(Object sourceObject, const std::string& sourcePort,
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Object destObject, const std::string& destPort);
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AttributeType queryFlags(Object node, const std::string& port);
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void setFloatValue(Object node, const std::string& port, float value);
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FlowSystemReceiver createReceiver(Object object, const std::string &port,
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FlowSystemSender sender);
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/* interface to StdScheduleNode */
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void schedule(unsigned long samples);
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void updateStarted();
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void startedChanged();
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};
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}
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#endif
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