hvirtual/cinelerra/virtualconsole.h

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#ifndef COMMONRENDERTHREAD_H
#define COMMONRENDERTHREAD_H

#include "arraylist.h"
#include "commonrender.inc"
#include "module.inc"
#include "playabletracks.inc"
#include "renderengine.inc"
#include "track.inc"
#include "virtualnode.inc"

// Virtual console runs synchronously for audio and video in
// pull mode.
class VirtualConsole
{
public:
        VirtualConsole(RenderEngine *renderengine, 
                CommonRender *commonrender, 
                int data_type);
        virtual ~VirtualConsole();

        virtual void create_objects();
        virtual void get_playable_tracks();
        int allocate_input_buffers();
        virtual void new_input_buffer(int ring_buffer) { };
        virtual void delete_input_buffer(int ring_buffer) { };
        void start_playback();

// Called during each process buffer operation to reset the status
// of the attachments to unprocessed.
        void reset_attachments();
        void dump();


// Build the nodes
        void build_virtual_console(int persistent_plugins);

// Create a new entry node in subclass of desired type.
// was new_toplevel_node
        virtual VirtualNode* new_entry_node(Track *track, 
                Module *module, 
                int track_number);
// Append exit node to table when expansion hits the end of a tree.
        void append_exit_node(VirtualNode *node);

        Module* module_of(Track *track);
        Module* module_number(int track_number);
// Test for reconfiguration.
// If reconfiguration is coming up, truncate length and reset last_playback.
        int test_reconfigure(int64_t position, 
                int64_t &length,
                int &last_playback);


        RenderEngine *renderengine;
        CommonRender *commonrender;


// Total exit nodes.  Corresponds to the total playable tracks.
// Was total_tracks
        int total_exit_nodes;
// Current exit node being processed.  Used to speed up video.
        int current_exit_node;
// Entry node for each playable track
// Was toplevel_nodes
        VirtualNode **entry_nodes;

// Exit node for each playable track.  Rendering starts here and data is pulled
// up the tree.  Every virtual module is an exit node.
        ArrayList<VirtualNode*> exit_nodes;


// Order to process nodes
// Replaced by pull system
//      ArrayList<VirtualNode*> render_list;


        int data_type;
// Store result of total_ring_buffers for destructor
// Pull method can't use ring buffers for input.
//      int ring_buffers;
// exit conditions
        int interrupt;
        int done;
// Trace the rendering path of the tree
        int debug_tree;












        virtual int init_rendering(int duplicate) {};
// Replaced by pull system
//      int sort_virtual_console();
        int delete_virtual_console();

// Signal effects to deallocate any resources which must be deallocated
// after playback.
        virtual int stop_rendering(int duplicate) {};

        virtual int send_last_output_buffer() {};


        PlayableTracks *playable_tracks;
};



#endif

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