--- /dev/null
+
+/*
+ * CINELERRA
+ * Copyright (C) 2008 Adam Williams <broadcast at earthling dot net>
+ *
+ * This program 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 program 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#ifndef VIRTUALNODE_H
+#define VIRTUALNODE_H
+
+#include "arraylist.h"
+#include "auto.inc"
+#include "autos.inc"
+#include "floatauto.inc"
+#include "floatautos.inc"
+#include "mwindow.inc"
+#include "maxbuffers.h"
+#include "patch.h"
+#include "plugin.inc"
+#include "pluginserver.inc"
+#include "renderengine.inc"
+#include "track.inc"
+#include "transition.inc"
+#include "virtualconsole.inc"
+
+// The virtual node makes up the virtual console.
+// It can be either a virtual module or a virtual plugin.
+
+
+class VirtualNode
+{
+public:
+ VirtualNode(RenderEngine *renderengine,
+ VirtualConsole *vconsole,
+ Module *real_module,
+ Plugin *real_plugin,
+ Track *track,
+ VirtualNode *parent_node);
+
+ friend class VirtualConsole;
+
+ virtual ~VirtualNode();
+ void dump(int indent);
+
+
+// expand plugins
+ int expand(int persistent_plugins, int64_t current_position);
+// create convenience pointers to shared memory depending on the data type
+ virtual int create_buffer_ptrs() { return 0; }
+// create a node for a module and expand it
+ int attach_virtual_module(Plugin *plugin,
+ int plugin_number,
+ int duplicate,
+ int64_t current_position);
+// create a node for a plugin and expand it
+ int attach_virtual_plugin(Plugin *plugin,
+ int plugin_number,
+ int duplicate,
+ int64_t current_position);
+ virtual VirtualNode* create_module(Plugin *real_plugin,
+ Module *real_module,
+ Track *track) { return 0; };
+ virtual VirtualNode* create_plugin(Plugin *real_plugin) { return 0; };
+
+
+// Called by read_data to get the previous plugin in a parent node's subnode
+// table.
+ VirtualNode* get_previous_plugin(VirtualNode *current_plugin);
+
+// subnodes this node owns
+// was vplugins
+ ArrayList<VirtualNode*> subnodes;
+// Attachment point in Module if this is a virtual plugin
+ AttachmentPoint *attachment;
+
+ VirtualConsole *vconsole;
+// node which created this node.
+ VirtualNode *parent_node;
+// use these to determine if this node is a plugin or module
+// Top level virtual node of module
+ Module *real_module;
+// When this node is a plugin. Redirected to the shared plugin in expansion.
+ Plugin *real_plugin;
+
+
+ Track *track;
+ RenderEngine *renderengine;
+
+// for rendering need to know if the buffer is a master or copy
+// These are set in expand()
+ int input_is_master;
+ int output_is_master;
+ int ring_buffers; // number of buffers for master buffers
+ int64_t buffer_size; // number of units in a master segment
+ int64_t fragment_size; // number of units in a node segment
+ int plugin_type; // type of plugin in case user changes it
+ int render_count; // times this plugin has been added to the render list
+ int waiting_real_plugin; // real plugin tests this to see if virtual plugin is waiting on it when sorting
+// attachment point needs to know what buffer to put data into from
+// a multichannel plugin
+ int plugin_buffer_number;
+
+// Mute automation.
+// Return whether the next samples are muted and store the duration
+// of the next status in fragment_len
+ void get_mute_fragment(int64_t input_position,
+ int &mute_constant,
+ int &fragment_len,
+ Autos *autos,
+ int direction,
+ int use_nudge);
+
+// convenience routines for fade automation
+/*
+ * void get_fade_automation(double &slope,
+ * double &intercept,
+ * int64_t input_position,
+ * int64_t &slope_len,
+ * Autos *autos);
+ *
+ * int init_automation(int &automate,
+ * double &constant,
+ * int64_t input_position,
+ * int64_t buffer_len,
+ * Autos *autos,
+ * Auto **before,
+ * Auto **after);
+ *
+ * int init_slope(Autos *autos, Auto **before, Auto **after);
+ * int get_slope(Autos *autos, int64_t buffer_len, int64_t buffer_position);
+ * int advance_slope(Autos *autos);
+ */
+
+protected:
+
+// ======================= plugin automation
+ FloatAutos *plugin_autos;
+ FloatAuto *plugin_auto_before, *plugin_auto_after;
+
+// temporary variables for automation
+ Auto *current_auto;
+ double slope_value;
+ double slope_start;
+ double slope_end;
+ double slope_position;
+ double slope;
+ double value;
+
+
+private:
+ int sort_as_module(ArrayList<VirtualNode*>*render_list, int &result, int &total_result);
+ int sort_as_plugin(ArrayList<VirtualNode*>*render_list, int &result, int &total_result);
+ int expand_as_module(int duplicate, int64_t current_position);
+ int expand_as_plugin(int duplicate);
+ int is_exit;
+};
+
+
+
+#endif